nextcloud / server

lib/public/Preview/BeforePreviewFetchedEvent.php

Indentation +16 added lines, -16 removed lines

@@ -32,20 +32,20 @@
  * @since 25.0.1
  */
 class BeforePreviewFetchedEvent extends \OCP\EventDispatcher\Event {
-	private Node $node;
-
-	/**
-	 * @since 25.0.1
-	 */
-	public function __construct(Node $node) {
-		parent::__construct();
-		$this->node = $node;
-	}
-
-	/**
-	 * @since 25.0.1
-	 */
-	public function getNode(): Node {
-		return $this->node;
-	}
+    private Node $node;
+
+    /**
+     * @since 25.0.1
+     */
+    public function __construct(Node $node) {
+        parent::__construct();
+        $this->node = $node;
+    }
+
+    /**
+     * @since 25.0.1
+     */
+    public function getNode(): Node {
+        return $this->node;
+    }
 }

lib/private/Preview/Generator.php

Indentation +538 added lines, -538 removed lines

@@ -49,556 +49,556 @@
 
 class Generator {
 
-	/** @var IPreview */
-	private $previewManager;
-	/** @var IConfig */
-	private $config;
-	/** @var IAppData */
-	private $appData;
-	/** @var GeneratorHelper */
-	private $helper;
-	/** @var EventDispatcherInterface */
-	private $legacyEventDispatcher;
-	/** @var IEventDispatcher */
-	private $eventDispatcher;
-
-	public function __construct(
-		IConfig $config,
-		IPreview $previewManager,
-		IAppData $appData,
-		GeneratorHelper $helper,
-		EventDispatcherInterface $legacyEventDispatcher,
-		IEventDispatcher $eventDispatcher
-	) {
-		$this->config = $config;
-		$this->previewManager = $previewManager;
-		$this->appData = $appData;
-		$this->helper = $helper;
-		$this->legacyEventDispatcher = $legacyEventDispatcher;
-		$this->eventDispatcher = $eventDispatcher;
-	}
-
-	/**
-	 * Returns a preview of a file
-	 *
-	 * The cache is searched first and if nothing usable was found then a preview is
-	 * generated by one of the providers
-	 *
-	 * @param File $file
-	 * @param int $width
-	 * @param int $height
-	 * @param bool $crop
-	 * @param string $mode
-	 * @param string $mimeType
-	 * @return ISimpleFile
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 */
-	public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
-		$specification = [
-			'width' => $width,
-			'height' => $height,
-			'crop' => $crop,
-			'mode' => $mode,
-		];
-
-		$this->legacyEventDispatcher->dispatch(
-			IPreview::EVENT,
-			new GenericEvent($file, $specification)
-		);
-		$this->eventDispatcher->dispatchTyped(new BeforePreviewFetchedEvent(
-			$file
-		));
-
-		// since we only ask for one preview, and the generate method return the last one it created, it returns the one we want
-		return $this->generatePreviews($file, [$specification], $mimeType);
-	}
-
-	/**
-	 * Generates previews of a file
-	 *
-	 * @param File $file
-	 * @param non-empty-array $specifications
-	 * @param string $mimeType
-	 * @return ISimpleFile the last preview that was generated
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 */
-	public function generatePreviews(File $file, array $specifications, $mimeType = null) {
-		//Make sure that we can read the file
-		if (!$file->isReadable()) {
-			throw new NotFoundException('Cannot read file');
-		}
-
-		if ($mimeType === null) {
-			$mimeType = $file->getMimeType();
-		}
-
-		$previewFolder = $this->getPreviewFolder($file);
-
-		$previewVersion = '';
-		if ($file instanceof IVersionedPreviewFile) {
-			$previewVersion = $file->getPreviewVersion() . '-';
-		}
-
-		// If imaginary is enabled, and we request a small thumbnail,
-		// let's not generate the max preview for performance reasons
-		if (count($specifications) === 1
-			&& ($specifications[0]['width'] <= 256 || $specifications[0]['height'] <= 256)
-			&& preg_match(Imaginary::supportedMimeTypes(), $mimeType)
-			&& $this->config->getSystemValueString('preview_imaginary_url', 'invalid') !== 'invalid') {
-			$crop = $specifications[0]['crop'] ?? false;
-			$preview = $this->getSmallImagePreview($previewFolder, $file, $mimeType, $previewVersion, $crop);
-
-			if ($preview->getSize() === 0) {
-				$preview->delete();
-				throw new NotFoundException('Cached preview size 0, invalid!');
-			}
-
-			return $preview;
-		}
-
-		// Get the max preview and infer the max preview sizes from that
-		$maxPreview = $this->getMaxPreview($previewFolder, $file, $mimeType, $previewVersion);
-		$maxPreviewImage = null; // only load the image when we need it
-		if ($maxPreview->getSize() === 0) {
-			$maxPreview->delete();
-			throw new NotFoundException('Max preview size 0, invalid!');
-		}
-
-		[$maxWidth, $maxHeight] = $this->getPreviewSize($maxPreview, $previewVersion);
-
-		$preview = null;
-
-		foreach ($specifications as $specification) {
-			$width = $specification['width'] ?? -1;
-			$height = $specification['height'] ?? -1;
-			$crop = $specification['crop'] ?? false;
-			$mode = $specification['mode'] ?? IPreview::MODE_FILL;
-
-			// If both width and height are -1 we just want the max preview
-			if ($width === -1 && $height === -1) {
-				$width = $maxWidth;
-				$height = $maxHeight;
-			}
-
-			// Calculate the preview size
-			[$width, $height] = $this->calculateSize($width, $height, $crop, $mode, $maxWidth, $maxHeight);
-
-			// No need to generate a preview that is just the max preview
-			if ($width === $maxWidth && $height === $maxHeight) {
-				// ensure correct return value if this was the last one
-				$preview = $maxPreview;
-				continue;
-			}
-
-			// Try to get a cached preview. Else generate (and store) one
-			try {
-				try {
-					$preview = $this->getCachedPreview($previewFolder, $width, $height, $crop, $maxPreview->getMimeType(), $previewVersion);
-				} catch (NotFoundException $e) {
-					if (!$this->previewManager->isMimeSupported($mimeType)) {
-						throw new NotFoundException();
-					}
-
-					if ($maxPreviewImage === null) {
-						$maxPreviewImage = $this->helper->getImage($maxPreview);
-					}
-
-					$preview = $this->generatePreview($previewFolder, $maxPreviewImage, $width, $height, $crop, $maxWidth, $maxHeight, $previewVersion);
-				}
-			} catch (\InvalidArgumentException $e) {
-				throw new NotFoundException("", 0, $e);
-			}
-
-			if ($preview->getSize() === 0) {
-				$preview->delete();
-				throw new NotFoundException('Cached preview size 0, invalid!');
-			}
-		}
-		assert($preview !== null);
-
-		// Free memory being used by the embedded image resource.  Without this the image is kept in memory indefinitely.
-		// Garbage Collection does NOT free this memory.  We have to do it ourselves.
-		if ($maxPreviewImage instanceof \OCP\Image) {
-			$maxPreviewImage->destroy();
-		}
-
-		return $preview;
-	}
-
-	/**
-	 * Generate a small image straight away without generating a max preview first
-	 * Preview generated is 256x256
-	 *
-	 * @throws NotFoundException
-	 */
-	private function getSmallImagePreview(ISimpleFolder $previewFolder, File $file, string $mimeType, string $prefix, bool $crop): ISimpleFile {
-		$nodes = $previewFolder->getDirectoryListing();
-
-		foreach ($nodes as $node) {
-			$name = $node->getName();
-			if (($prefix === '' || str_starts_with($name, $prefix))) {
-				// Prefix match
-				if (str_starts_with($name, $prefix . '256-256-crop') && $crop) {
-					// Cropped image
-					return $node;
-				}
-
-				if (str_starts_with($name, $prefix . '256-256.') && !$crop) {
-					// Uncropped image
-					return $node;
-				}
-			}
-		}
-
-		$previewProviders = $this->previewManager->getProviders();
-		foreach ($previewProviders as $supportedMimeType => $providers) {
-			// Filter out providers that does not support this mime
-			if (!preg_match($supportedMimeType, $mimeType)) {
-				continue;
-			}
-
-			foreach ($providers as $providerClosure) {
-				$provider = $this->helper->getProvider($providerClosure);
-				if (!($provider instanceof IProviderV2)) {
-					continue;
-				}
-
-				if (!$provider->isAvailable($file)) {
-					continue;
-				}
-
-				$preview = $this->helper->getThumbnail($provider, $file, 256, 256, $crop);
-
-				if (!($preview instanceof IImage)) {
-					continue;
-				}
-
-				// Try to get the extension.
-				try {
-					$ext = $this->getExtention($preview->dataMimeType());
-				} catch (\InvalidArgumentException $e) {
-					// Just continue to the next iteration if this preview doesn't have a valid mimetype
-					continue;
-				}
-
-				$path = $this->generatePath(256, 256, $crop, $preview->dataMimeType(), $prefix);
-				try {
-					$file = $previewFolder->newFile($path);
-					if ($preview instanceof IStreamImage) {
-						$file->putContent($preview->resource());
-					} else {
-						$file->putContent($preview->data());
-					}
-				} catch (NotPermittedException $e) {
-					throw new NotFoundException();
-				}
-
-				return $file;
-			}
-		}
-
-		throw new NotFoundException('No provider successfully handled the preview generation');
-	}
-
-	/**
-	 * @param ISimpleFolder $previewFolder
-	 * @param File $file
-	 * @param string $mimeType
-	 * @param string $prefix
-	 * @return ISimpleFile
-	 * @throws NotFoundException
-	 */
-	private function getMaxPreview(ISimpleFolder $previewFolder, File $file, $mimeType, $prefix) {
-		$nodes = $previewFolder->getDirectoryListing();
-
-		foreach ($nodes as $node) {
-			$name = $node->getName();
-			if (($prefix === '' || strpos($name, $prefix) === 0) && strpos($name, 'max')) {
-				return $node;
-			}
-		}
-
-		$previewProviders = $this->previewManager->getProviders();
-		foreach ($previewProviders as $supportedMimeType => $providers) {
-			// Filter out providers that does not support this mime
-			if (!preg_match($supportedMimeType, $mimeType)) {
-				continue;
-			}
-
-			foreach ($providers as $providerClosure) {
-				$provider = $this->helper->getProvider($providerClosure);
-				if (!($provider instanceof IProviderV2)) {
-					continue;
-				}
-
-				if (!$provider->isAvailable($file)) {
-					continue;
-				}
-
-				$maxWidth = $this->config->getSystemValueInt('preview_max_x', 4096);
-				$maxHeight = $this->config->getSystemValueInt('preview_max_y', 4096);
-
-				$preview = $this->helper->getThumbnail($provider, $file, $maxWidth, $maxHeight);
-
-				if (!($preview instanceof IImage)) {
-					continue;
-				}
-
-				// Try to get the extention.
-				try {
-					$ext = $this->getExtention($preview->dataMimeType());
-				} catch (\InvalidArgumentException $e) {
-					// Just continue to the next iteration if this preview doesn't have a valid mimetype
-					continue;
-				}
-
-				$path = $prefix . (string)$preview->width() . '-' . (string)$preview->height() . '-max.' . $ext;
-				try {
-					$file = $previewFolder->newFile($path);
-					if ($preview instanceof IStreamImage) {
-						$file->putContent($preview->resource());
-					} else {
-						$file->putContent($preview->data());
-					}
-				} catch (NotPermittedException $e) {
-					throw new NotFoundException();
-				}
-
-				return $file;
-			}
-		}
-
-		throw new NotFoundException();
-	}
-
-	/**
-	 * @param ISimpleFile $file
-	 * @param string $prefix
-	 * @return int[]
-	 */
-	private function getPreviewSize(ISimpleFile $file, string $prefix = '') {
-		$size = explode('-', substr($file->getName(), strlen($prefix)));
-		return [(int)$size[0], (int)$size[1]];
-	}
-
-	/**
-	 * @param int $width
-	 * @param int $height
-	 * @param bool $crop
-	 * @param string $mimeType
-	 * @param string $prefix
-	 * @return string
-	 */
-	private function generatePath($width, $height, $crop, $mimeType, $prefix) {
-		$path = $prefix . (string)$width . '-' . (string)$height;
-		if ($crop) {
-			$path .= '-crop';
-		}
-
-		$ext = $this->getExtention($mimeType);
-		$path .= '.' . $ext;
-		return $path;
-	}
-
-
-	/**
-	 * @param int $width
-	 * @param int $height
-	 * @param bool $crop
-	 * @param string $mode
-	 * @param int $maxWidth
-	 * @param int $maxHeight
-	 * @return int[]
-	 */
-	private function calculateSize($width, $height, $crop, $mode, $maxWidth, $maxHeight) {
-
-		/*
+    /** @var IPreview */
+    private $previewManager;
+    /** @var IConfig */
+    private $config;
+    /** @var IAppData */
+    private $appData;
+    /** @var GeneratorHelper */
+    private $helper;
+    /** @var EventDispatcherInterface */
+    private $legacyEventDispatcher;
+    /** @var IEventDispatcher */
+    private $eventDispatcher;
+
+    public function __construct(
+        IConfig $config,
+        IPreview $previewManager,
+        IAppData $appData,
+        GeneratorHelper $helper,
+        EventDispatcherInterface $legacyEventDispatcher,
+        IEventDispatcher $eventDispatcher
+    ) {
+        $this->config = $config;
+        $this->previewManager = $previewManager;
+        $this->appData = $appData;
+        $this->helper = $helper;
+        $this->legacyEventDispatcher = $legacyEventDispatcher;
+        $this->eventDispatcher = $eventDispatcher;
+    }
+
+    /**
+     * Returns a preview of a file
+     *
+     * The cache is searched first and if nothing usable was found then a preview is
+     * generated by one of the providers
+     *
+     * @param File $file
+     * @param int $width
+     * @param int $height
+     * @param bool $crop
+     * @param string $mode
+     * @param string $mimeType
+     * @return ISimpleFile
+     * @throws NotFoundException
+     * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
+     */
+    public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
+        $specification = [
+            'width' => $width,
+            'height' => $height,
+            'crop' => $crop,
+            'mode' => $mode,
+        ];
+
+        $this->legacyEventDispatcher->dispatch(
+            IPreview::EVENT,
+            new GenericEvent($file, $specification)
+        );
+        $this->eventDispatcher->dispatchTyped(new BeforePreviewFetchedEvent(
+            $file
+        ));
+
+        // since we only ask for one preview, and the generate method return the last one it created, it returns the one we want
+        return $this->generatePreviews($file, [$specification], $mimeType);
+    }
+
+    /**
+     * Generates previews of a file
+     *
+     * @param File $file
+     * @param non-empty-array $specifications
+     * @param string $mimeType
+     * @return ISimpleFile the last preview that was generated
+     * @throws NotFoundException
+     * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
+     */
+    public function generatePreviews(File $file, array $specifications, $mimeType = null) {
+        //Make sure that we can read the file
+        if (!$file->isReadable()) {
+            throw new NotFoundException('Cannot read file');
+        }
+
+        if ($mimeType === null) {
+            $mimeType = $file->getMimeType();
+        }
+
+        $previewFolder = $this->getPreviewFolder($file);
+
+        $previewVersion = '';
+        if ($file instanceof IVersionedPreviewFile) {
+            $previewVersion = $file->getPreviewVersion() . '-';
+        }
+
+        // If imaginary is enabled, and we request a small thumbnail,
+        // let's not generate the max preview for performance reasons
+        if (count($specifications) === 1
+            && ($specifications[0]['width'] <= 256 || $specifications[0]['height'] <= 256)
+            && preg_match(Imaginary::supportedMimeTypes(), $mimeType)
+            && $this->config->getSystemValueString('preview_imaginary_url', 'invalid') !== 'invalid') {
+            $crop = $specifications[0]['crop'] ?? false;
+            $preview = $this->getSmallImagePreview($previewFolder, $file, $mimeType, $previewVersion, $crop);
+
+            if ($preview->getSize() === 0) {
+                $preview->delete();
+                throw new NotFoundException('Cached preview size 0, invalid!');
+            }
+
+            return $preview;
+        }
+
+        // Get the max preview and infer the max preview sizes from that
+        $maxPreview = $this->getMaxPreview($previewFolder, $file, $mimeType, $previewVersion);
+        $maxPreviewImage = null; // only load the image when we need it
+        if ($maxPreview->getSize() === 0) {
+            $maxPreview->delete();
+            throw new NotFoundException('Max preview size 0, invalid!');
+        }
+
+        [$maxWidth, $maxHeight] = $this->getPreviewSize($maxPreview, $previewVersion);
+
+        $preview = null;
+
+        foreach ($specifications as $specification) {
+            $width = $specification['width'] ?? -1;
+            $height = $specification['height'] ?? -1;
+            $crop = $specification['crop'] ?? false;
+            $mode = $specification['mode'] ?? IPreview::MODE_FILL;
+
+            // If both width and height are -1 we just want the max preview
+            if ($width === -1 && $height === -1) {
+                $width = $maxWidth;
+                $height = $maxHeight;
+            }
+
+            // Calculate the preview size
+            [$width, $height] = $this->calculateSize($width, $height, $crop, $mode, $maxWidth, $maxHeight);
+
+            // No need to generate a preview that is just the max preview
+            if ($width === $maxWidth && $height === $maxHeight) {
+                // ensure correct return value if this was the last one
+                $preview = $maxPreview;
+                continue;
+            }
+
+            // Try to get a cached preview. Else generate (and store) one
+            try {
+                try {
+                    $preview = $this->getCachedPreview($previewFolder, $width, $height, $crop, $maxPreview->getMimeType(), $previewVersion);
+                } catch (NotFoundException $e) {
+                    if (!$this->previewManager->isMimeSupported($mimeType)) {
+                        throw new NotFoundException();
+                    }
+
+                    if ($maxPreviewImage === null) {
+                        $maxPreviewImage = $this->helper->getImage($maxPreview);
+                    }
+
+                    $preview = $this->generatePreview($previewFolder, $maxPreviewImage, $width, $height, $crop, $maxWidth, $maxHeight, $previewVersion);
+                }
+            } catch (\InvalidArgumentException $e) {
+                throw new NotFoundException("", 0, $e);
+            }
+
+            if ($preview->getSize() === 0) {
+                $preview->delete();
+                throw new NotFoundException('Cached preview size 0, invalid!');
+            }
+        }
+        assert($preview !== null);
+
+        // Free memory being used by the embedded image resource.  Without this the image is kept in memory indefinitely.
+        // Garbage Collection does NOT free this memory.  We have to do it ourselves.
+        if ($maxPreviewImage instanceof \OCP\Image) {
+            $maxPreviewImage->destroy();
+        }
+
+        return $preview;
+    }
+
+    /**
+     * Generate a small image straight away without generating a max preview first
+     * Preview generated is 256x256
+     *
+     * @throws NotFoundException
+     */
+    private function getSmallImagePreview(ISimpleFolder $previewFolder, File $file, string $mimeType, string $prefix, bool $crop): ISimpleFile {
+        $nodes = $previewFolder->getDirectoryListing();
+
+        foreach ($nodes as $node) {
+            $name = $node->getName();
+            if (($prefix === '' || str_starts_with($name, $prefix))) {
+                // Prefix match
+                if (str_starts_with($name, $prefix . '256-256-crop') && $crop) {
+                    // Cropped image
+                    return $node;
+                }
+
+                if (str_starts_with($name, $prefix . '256-256.') && !$crop) {
+                    // Uncropped image
+                    return $node;
+                }
+            }
+        }
+
+        $previewProviders = $this->previewManager->getProviders();
+        foreach ($previewProviders as $supportedMimeType => $providers) {
+            // Filter out providers that does not support this mime
+            if (!preg_match($supportedMimeType, $mimeType)) {
+                continue;
+            }
+
+            foreach ($providers as $providerClosure) {
+                $provider = $this->helper->getProvider($providerClosure);
+                if (!($provider instanceof IProviderV2)) {
+                    continue;
+                }
+
+                if (!$provider->isAvailable($file)) {
+                    continue;
+                }
+
+                $preview = $this->helper->getThumbnail($provider, $file, 256, 256, $crop);
+
+                if (!($preview instanceof IImage)) {
+                    continue;
+                }
+
+                // Try to get the extension.
+                try {
+                    $ext = $this->getExtention($preview->dataMimeType());
+                } catch (\InvalidArgumentException $e) {
+                    // Just continue to the next iteration if this preview doesn't have a valid mimetype
+                    continue;
+                }
+
+                $path = $this->generatePath(256, 256, $crop, $preview->dataMimeType(), $prefix);
+                try {
+                    $file = $previewFolder->newFile($path);
+                    if ($preview instanceof IStreamImage) {
+                        $file->putContent($preview->resource());
+                    } else {
+                        $file->putContent($preview->data());
+                    }
+                } catch (NotPermittedException $e) {
+                    throw new NotFoundException();
+                }
+
+                return $file;
+            }
+        }
+
+        throw new NotFoundException('No provider successfully handled the preview generation');
+    }
+
+    /**
+     * @param ISimpleFolder $previewFolder
+     * @param File $file
+     * @param string $mimeType
+     * @param string $prefix
+     * @return ISimpleFile
+     * @throws NotFoundException
+     */
+    private function getMaxPreview(ISimpleFolder $previewFolder, File $file, $mimeType, $prefix) {
+        $nodes = $previewFolder->getDirectoryListing();
+
+        foreach ($nodes as $node) {
+            $name = $node->getName();
+            if (($prefix === '' || strpos($name, $prefix) === 0) && strpos($name, 'max')) {
+                return $node;
+            }
+        }
+
+        $previewProviders = $this->previewManager->getProviders();
+        foreach ($previewProviders as $supportedMimeType => $providers) {
+            // Filter out providers that does not support this mime
+            if (!preg_match($supportedMimeType, $mimeType)) {
+                continue;
+            }
+
+            foreach ($providers as $providerClosure) {
+                $provider = $this->helper->getProvider($providerClosure);
+                if (!($provider instanceof IProviderV2)) {
+                    continue;
+                }
+
+                if (!$provider->isAvailable($file)) {
+                    continue;
+                }
+
+                $maxWidth = $this->config->getSystemValueInt('preview_max_x', 4096);
+                $maxHeight = $this->config->getSystemValueInt('preview_max_y', 4096);
+
+                $preview = $this->helper->getThumbnail($provider, $file, $maxWidth, $maxHeight);
+
+                if (!($preview instanceof IImage)) {
+                    continue;
+                }
+
+                // Try to get the extention.
+                try {
+                    $ext = $this->getExtention($preview->dataMimeType());
+                } catch (\InvalidArgumentException $e) {
+                    // Just continue to the next iteration if this preview doesn't have a valid mimetype
+                    continue;
+                }
+
+                $path = $prefix . (string)$preview->width() . '-' . (string)$preview->height() . '-max.' . $ext;
+                try {
+                    $file = $previewFolder->newFile($path);
+                    if ($preview instanceof IStreamImage) {
+                        $file->putContent($preview->resource());
+                    } else {
+                        $file->putContent($preview->data());
+                    }
+                } catch (NotPermittedException $e) {
+                    throw new NotFoundException();
+                }
+
+                return $file;
+            }
+        }
+
+        throw new NotFoundException();
+    }
+
+    /**
+     * @param ISimpleFile $file
+     * @param string $prefix
+     * @return int[]
+     */
+    private function getPreviewSize(ISimpleFile $file, string $prefix = '') {
+        $size = explode('-', substr($file->getName(), strlen($prefix)));
+        return [(int)$size[0], (int)$size[1]];
+    }
+
+    /**
+     * @param int $width
+     * @param int $height
+     * @param bool $crop
+     * @param string $mimeType
+     * @param string $prefix
+     * @return string
+     */
+    private function generatePath($width, $height, $crop, $mimeType, $prefix) {
+        $path = $prefix . (string)$width . '-' . (string)$height;
+        if ($crop) {
+            $path .= '-crop';
+        }
+
+        $ext = $this->getExtention($mimeType);
+        $path .= '.' . $ext;
+        return $path;
+    }
+
+
+    /**
+     * @param int $width
+     * @param int $height
+     * @param bool $crop
+     * @param string $mode
+     * @param int $maxWidth
+     * @param int $maxHeight
+     * @return int[]
+     */
+    private function calculateSize($width, $height, $crop, $mode, $maxWidth, $maxHeight) {
+
+        /*
 		 * If we are not cropping we have to make sure the requested image
 		 * respects the aspect ratio of the original.
 		 */
-		if (!$crop) {
-			$ratio = $maxHeight / $maxWidth;
+        if (!$crop) {
+            $ratio = $maxHeight / $maxWidth;
 
-			if ($width === -1) {
-				$width = $height / $ratio;
-			}
-			if ($height === -1) {
-				$height = $width * $ratio;
-			}
+            if ($width === -1) {
+                $width = $height / $ratio;
+            }
+            if ($height === -1) {
+                $height = $width * $ratio;
+            }
 
-			$ratioH = $height / $maxHeight;
-			$ratioW = $width / $maxWidth;
+            $ratioH = $height / $maxHeight;
+            $ratioW = $width / $maxWidth;
 
-			/*
+            /*
 			 * Fill means that the $height and $width are the max
 			 * Cover means min.
 			 */
-			if ($mode === IPreview::MODE_FILL) {
-				if ($ratioH > $ratioW) {
-					$height = $width * $ratio;
-				} else {
-					$width = $height / $ratio;
-				}
-			} elseif ($mode === IPreview::MODE_COVER) {
-				if ($ratioH > $ratioW) {
-					$width = $height / $ratio;
-				} else {
-					$height = $width * $ratio;
-				}
-			}
-		}
-
-		if ($height !== $maxHeight && $width !== $maxWidth) {
-			/*
+            if ($mode === IPreview::MODE_FILL) {
+                if ($ratioH > $ratioW) {
+                    $height = $width * $ratio;
+                } else {
+                    $width = $height / $ratio;
+                }
+            } elseif ($mode === IPreview::MODE_COVER) {
+                if ($ratioH > $ratioW) {
+                    $width = $height / $ratio;
+                } else {
+                    $height = $width * $ratio;
+                }
+            }
+        }
+
+        if ($height !== $maxHeight && $width !== $maxWidth) {
+            /*
 			 * Scale to the nearest power of four
 			 */
-			$pow4height = 4 ** ceil(log($height) / log(4));
-			$pow4width = 4 ** ceil(log($width) / log(4));
-
-			// Minimum size is 64
-			$pow4height = max($pow4height, 64);
-			$pow4width = max($pow4width, 64);
-
-			$ratioH = $height / $pow4height;
-			$ratioW = $width / $pow4width;
-
-			if ($ratioH < $ratioW) {
-				$width = $pow4width;
-				$height /= $ratioW;
-			} else {
-				$height = $pow4height;
-				$width /= $ratioH;
-			}
-		}
-
-		/*
+            $pow4height = 4 ** ceil(log($height) / log(4));
+            $pow4width = 4 ** ceil(log($width) / log(4));
+
+            // Minimum size is 64
+            $pow4height = max($pow4height, 64);
+            $pow4width = max($pow4width, 64);
+
+            $ratioH = $height / $pow4height;
+            $ratioW = $width / $pow4width;
+
+            if ($ratioH < $ratioW) {
+                $width = $pow4width;
+                $height /= $ratioW;
+            } else {
+                $height = $pow4height;
+                $width /= $ratioH;
+            }
+        }
+
+        /*
 		 * Make sure the requested height and width fall within the max
 		 * of the preview.
 		 */
-		if ($height > $maxHeight) {
-			$ratio = $height / $maxHeight;
-			$height = $maxHeight;
-			$width /= $ratio;
-		}
-		if ($width > $maxWidth) {
-			$ratio = $width / $maxWidth;
-			$width = $maxWidth;
-			$height /= $ratio;
-		}
-
-		return [(int)round($width), (int)round($height)];
-	}
-
-	/**
-	 * @param ISimpleFolder $previewFolder
-	 * @param ISimpleFile $maxPreview
-	 * @param int $width
-	 * @param int $height
-	 * @param bool $crop
-	 * @param int $maxWidth
-	 * @param int $maxHeight
-	 * @param string $prefix
-	 * @return ISimpleFile
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 */
-	private function generatePreview(ISimpleFolder $previewFolder, IImage $maxPreview, $width, $height, $crop, $maxWidth, $maxHeight, $prefix) {
-		$preview = $maxPreview;
-		if (!$preview->valid()) {
-			throw new \InvalidArgumentException('Failed to generate preview, failed to load image');
-		}
-
-		if ($crop) {
-			if ($height !== $preview->height() && $width !== $preview->width()) {
-				//Resize
-				$widthR = $preview->width() / $width;
-				$heightR = $preview->height() / $height;
-
-				if ($widthR > $heightR) {
-					$scaleH = $height;
-					$scaleW = $maxWidth / $heightR;
-				} else {
-					$scaleH = $maxHeight / $widthR;
-					$scaleW = $width;
-				}
-				$preview = $preview->preciseResizeCopy((int)round($scaleW), (int)round($scaleH));
-			}
-			$cropX = (int)floor(abs($width - $preview->width()) * 0.5);
-			$cropY = (int)floor(abs($height - $preview->height()) * 0.5);
-			$preview = $preview->cropCopy($cropX, $cropY, $width, $height);
-		} else {
-			$preview = $maxPreview->resizeCopy(max($width, $height));
-		}
-
-
-		$path = $this->generatePath($width, $height, $crop, $preview->dataMimeType(), $prefix);
-		try {
-			$file = $previewFolder->newFile($path);
-			$file->putContent($preview->data());
-		} catch (NotPermittedException $e) {
-			throw new NotFoundException();
-		}
-
-		return $file;
-	}
-
-	/**
-	 * @param ISimpleFolder $previewFolder
-	 * @param int $width
-	 * @param int $height
-	 * @param bool $crop
-	 * @param string $mimeType
-	 * @param string $prefix
-	 * @return ISimpleFile
-	 *
-	 * @throws NotFoundException
-	 */
-	private function getCachedPreview(ISimpleFolder $previewFolder, $width, $height, $crop, $mimeType, $prefix) {
-		$path = $this->generatePath($width, $height, $crop, $mimeType, $prefix);
-
-		return $previewFolder->getFile($path);
-	}
-
-	/**
-	 * Get the specific preview folder for this file
-	 *
-	 * @param File $file
-	 * @return ISimpleFolder
-	 *
-	 * @throws InvalidPathException
-	 * @throws NotFoundException
-	 * @throws NotPermittedException
-	 */
-	private function getPreviewFolder(File $file) {
-		// Obtain file id outside of try catch block to prevent the creation of an existing folder
-		$fileId = (string)$file->getId();
-
-		try {
-			$folder = $this->appData->getFolder($fileId);
-		} catch (NotFoundException $e) {
-			$folder = $this->appData->newFolder($fileId);
-		}
-
-		return $folder;
-	}
-
-	/**
-	 * @param string $mimeType
-	 * @return null|string
-	 * @throws \InvalidArgumentException
-	 */
-	private function getExtention($mimeType) {
-		switch ($mimeType) {
-			case 'image/png':
-				return 'png';
-			case 'image/jpeg':
-				return 'jpg';
-			case 'image/gif':
-				return 'gif';
-			default:
-				throw new \InvalidArgumentException('Not a valid mimetype: "' . $mimeType . '"');
-		}
-	}
+        if ($height > $maxHeight) {
+            $ratio = $height / $maxHeight;
+            $height = $maxHeight;
+            $width /= $ratio;
+        }
+        if ($width > $maxWidth) {
+            $ratio = $width / $maxWidth;
+            $width = $maxWidth;
+            $height /= $ratio;
+        }
+
+        return [(int)round($width), (int)round($height)];
+    }
+
+    /**
+     * @param ISimpleFolder $previewFolder
+     * @param ISimpleFile $maxPreview
+     * @param int $width
+     * @param int $height
+     * @param bool $crop
+     * @param int $maxWidth
+     * @param int $maxHeight
+     * @param string $prefix
+     * @return ISimpleFile
+     * @throws NotFoundException
+     * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
+     */
+    private function generatePreview(ISimpleFolder $previewFolder, IImage $maxPreview, $width, $height, $crop, $maxWidth, $maxHeight, $prefix) {
+        $preview = $maxPreview;
+        if (!$preview->valid()) {
+            throw new \InvalidArgumentException('Failed to generate preview, failed to load image');
+        }
+
+        if ($crop) {
+            if ($height !== $preview->height() && $width !== $preview->width()) {
+                //Resize
+                $widthR = $preview->width() / $width;
+                $heightR = $preview->height() / $height;
+
+                if ($widthR > $heightR) {
+                    $scaleH = $height;
+                    $scaleW = $maxWidth / $heightR;
+                } else {
+                    $scaleH = $maxHeight / $widthR;
+                    $scaleW = $width;
+                }
+                $preview = $preview->preciseResizeCopy((int)round($scaleW), (int)round($scaleH));
+            }
+            $cropX = (int)floor(abs($width - $preview->width()) * 0.5);
+            $cropY = (int)floor(abs($height - $preview->height()) * 0.5);
+            $preview = $preview->cropCopy($cropX, $cropY, $width, $height);
+        } else {
+            $preview = $maxPreview->resizeCopy(max($width, $height));
+        }
+
+
+        $path = $this->generatePath($width, $height, $crop, $preview->dataMimeType(), $prefix);
+        try {
+            $file = $previewFolder->newFile($path);
+            $file->putContent($preview->data());
+        } catch (NotPermittedException $e) {
+            throw new NotFoundException();
+        }
+
+        return $file;
+    }
+
+    /**
+     * @param ISimpleFolder $previewFolder
+     * @param int $width
+     * @param int $height
+     * @param bool $crop
+     * @param string $mimeType
+     * @param string $prefix
+     * @return ISimpleFile
+     *
+     * @throws NotFoundException
+     */
+    private function getCachedPreview(ISimpleFolder $previewFolder, $width, $height, $crop, $mimeType, $prefix) {
+        $path = $this->generatePath($width, $height, $crop, $mimeType, $prefix);
+
+        return $previewFolder->getFile($path);
+    }
+
+    /**
+     * Get the specific preview folder for this file
+     *
+     * @param File $file
+     * @return ISimpleFolder
+     *
+     * @throws InvalidPathException
+     * @throws NotFoundException
+     * @throws NotPermittedException
+     */
+    private function getPreviewFolder(File $file) {
+        // Obtain file id outside of try catch block to prevent the creation of an existing folder
+        $fileId = (string)$file->getId();
+
+        try {
+            $folder = $this->appData->getFolder($fileId);
+        } catch (NotFoundException $e) {
+            $folder = $this->appData->newFolder($fileId);
+        }
+
+        return $folder;
+    }
+
+    /**
+     * @param string $mimeType
+     * @return null|string
+     * @throws \InvalidArgumentException
+     */
+    private function getExtention($mimeType) {
+        switch ($mimeType) {
+            case 'image/png':
+                return 'png';
+            case 'image/jpeg':
+                return 'jpg';
+            case 'image/gif':
+                return 'gif';
+            default:
+                throw new \InvalidArgumentException('Not a valid mimetype: "' . $mimeType . '"');
+        }
+    }
 }

lib/private/PreviewManager.php

Indentation +397 added lines, -397 removed lines

@@ -49,401 +49,401 @@
 use function array_key_exists;
 
 class PreviewManager implements IPreview {
-	protected IConfig $config;
-	protected IRootFolder $rootFolder;
-	protected IAppData $appData;
-	protected IEventDispatcher $eventDispatcher;
-	protected EventDispatcherInterface $legacyEventDispatcher;
-	private ?Generator $generator = null;
-	private GeneratorHelper $helper;
-	protected bool $providerListDirty = false;
-	protected bool $registeredCoreProviders = false;
-	protected array $providers = [];
-
-	/** @var array mime type => support status */
-	protected array $mimeTypeSupportMap = [];
-	protected ?array $defaultProviders = null;
-	protected ?string $userId;
-	private Coordinator $bootstrapCoordinator;
-
-	/**
-	 * Hash map (without value) of loaded bootstrap providers
-	 * @psalm-var array<string, null>
-	 */
-	private array $loadedBootstrapProviders = [];
-	private IServerContainer $container;
-	private IBinaryFinder $binaryFinder;
-
-	public function __construct(
-		IConfig                  $config,
-		IRootFolder              $rootFolder,
-		IAppData                 $appData,
-		IEventDispatcher 		 $eventDispatcher,
-		EventDispatcherInterface $legacyEventDispatcher,
-		GeneratorHelper          $helper,
-		?string                  $userId,
-		Coordinator              $bootstrapCoordinator,
-		IServerContainer         $container,
-		IBinaryFinder            $binaryFinder
-	) {
-		$this->config = $config;
-		$this->rootFolder = $rootFolder;
-		$this->appData = $appData;
-		$this->eventDispatcher = $eventDispatcher;
-		$this->legacyEventDispatcher = $legacyEventDispatcher;
-		$this->helper = $helper;
-		$this->userId = $userId;
-		$this->bootstrapCoordinator = $bootstrapCoordinator;
-		$this->container = $container;
-		$this->binaryFinder = $binaryFinder;
-	}
-
-	/**
-	 * In order to improve lazy loading a closure can be registered which will be
-	 * called in case preview providers are actually requested
-	 *
-	 * $callable has to return an instance of \OCP\Preview\IProvider or \OCP\Preview\IProviderV2
-	 *
-	 * @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
-	 * @param \Closure $callable
-	 * @return void
-	 */
-	public function registerProvider($mimeTypeRegex, \Closure $callable): void {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return;
-		}
-
-		if (!isset($this->providers[$mimeTypeRegex])) {
-			$this->providers[$mimeTypeRegex] = [];
-		}
-		$this->providers[$mimeTypeRegex][] = $callable;
-		$this->providerListDirty = true;
-	}
-
-	/**
-	 * Get all providers
-	 */
-	public function getProviders(): array {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return [];
-		}
-
-		$this->registerCoreProviders();
-		$this->registerBootstrapProviders();
-		if ($this->providerListDirty) {
-			$keys = array_map('strlen', array_keys($this->providers));
-			array_multisort($keys, SORT_DESC, $this->providers);
-			$this->providerListDirty = false;
-		}
-
-		return $this->providers;
-	}
-
-	/**
-	 * Does the manager have any providers
-	 */
-	public function hasProviders(): bool {
-		$this->registerCoreProviders();
-		return !empty($this->providers);
-	}
-
-	private function getGenerator(): Generator {
-		if ($this->generator === null) {
-			$this->generator = new Generator(
-				$this->config,
-				$this,
-				$this->appData,
-				new GeneratorHelper(
-					$this->rootFolder,
-					$this->config
-				),
-				$this->legacyEventDispatcher,
-				$this->eventDispatcher
-			);
-		}
-		return $this->generator;
-	}
-
-	/**
-	 * Returns a preview of a file
-	 *
-	 * The cache is searched first and if nothing usable was found then a preview is
-	 * generated by one of the providers
-	 *
-	 * @param File $file
-	 * @param int $width
-	 * @param int $height
-	 * @param bool $crop
-	 * @param string $mode
-	 * @param string $mimeType
-	 * @return ISimpleFile
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 * @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
-	 */
-	public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
-		return $this->getGenerator()->getPreview($file, $width, $height, $crop, $mode, $mimeType);
-	}
-
-	/**
-	 * Generates previews of a file
-	 *
-	 * @param File $file
-	 * @param array $specifications
-	 * @param string $mimeType
-	 * @return ISimpleFile the last preview that was generated
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 * @since 19.0.0
-	 */
-	public function generatePreviews(File $file, array $specifications, $mimeType = null) {
-		return $this->getGenerator()->generatePreviews($file, $specifications, $mimeType);
-	}
-
-	/**
-	 * returns true if the passed mime type is supported
-	 *
-	 * @param string $mimeType
-	 * @return boolean
-	 */
-	public function isMimeSupported($mimeType = '*') {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return false;
-		}
-
-		if (isset($this->mimeTypeSupportMap[$mimeType])) {
-			return $this->mimeTypeSupportMap[$mimeType];
-		}
-
-		$this->registerCoreProviders();
-		$this->registerBootstrapProviders();
-		$providerMimeTypes = array_keys($this->providers);
-		foreach ($providerMimeTypes as $supportedMimeType) {
-			if (preg_match($supportedMimeType, $mimeType)) {
-				$this->mimeTypeSupportMap[$mimeType] = true;
-				return true;
-			}
-		}
-		$this->mimeTypeSupportMap[$mimeType] = false;
-		return false;
-	}
-
-	/**
-	 * Check if a preview can be generated for a file
-	 */
-	public function isAvailable(\OCP\Files\FileInfo $file): bool {
-		if (!$this->config->getSystemValue('enable_previews', true)) {
-			return false;
-		}
-
-		$this->registerCoreProviders();
-		if (!$this->isMimeSupported($file->getMimetype())) {
-			return false;
-		}
-
-		$mount = $file->getMountPoint();
-		if ($mount and !$mount->getOption('previews', true)) {
-			return false;
-		}
-
-		foreach ($this->providers as $supportedMimeType => $providers) {
-			if (preg_match($supportedMimeType, $file->getMimetype())) {
-				foreach ($providers as $providerClosure) {
-					$provider = $this->helper->getProvider($providerClosure);
-					if (!($provider instanceof IProviderV2)) {
-						continue;
-					}
-
-					if ($provider->isAvailable($file)) {
-						return true;
-					}
-				}
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * List of enabled default providers
-	 *
-	 * The following providers are enabled by default:
-	 *  - OC\Preview\PNG
-	 *  - OC\Preview\JPEG
-	 *  - OC\Preview\GIF
-	 *  - OC\Preview\BMP
-	 *  - OC\Preview\XBitmap
-	 *  - OC\Preview\MarkDown
-	 *  - OC\Preview\MP3
-	 *  - OC\Preview\TXT
-	 *
-	 * The following providers are disabled by default due to performance or privacy concerns:
-	 *  - OC\Preview\Font
-	 *  - OC\Preview\HEIC
-	 *  - OC\Preview\Illustrator
-	 *  - OC\Preview\Movie
-	 *  - OC\Preview\MSOfficeDoc
-	 *  - OC\Preview\MSOffice2003
-	 *  - OC\Preview\MSOffice2007
-	 *  - OC\Preview\OpenDocument
-	 *  - OC\Preview\PDF
-	 *  - OC\Preview\Photoshop
-	 *  - OC\Preview\Postscript
-	 *  - OC\Preview\StarOffice
-	 *  - OC\Preview\SVG
-	 *  - OC\Preview\TIFF
-	 *
-	 * @return array
-	 */
-	protected function getEnabledDefaultProvider() {
-		if ($this->defaultProviders !== null) {
-			return $this->defaultProviders;
-		}
-
-		$imageProviders = [
-			Preview\PNG::class,
-			Preview\JPEG::class,
-			Preview\GIF::class,
-			Preview\BMP::class,
-			Preview\XBitmap::class,
-			Preview\Krita::class,
-			Preview\WebP::class,
-		];
-
-		$this->defaultProviders = $this->config->getSystemValue('enabledPreviewProviders', array_merge([
-			Preview\MarkDown::class,
-			Preview\MP3::class,
-			Preview\TXT::class,
-			Preview\OpenDocument::class,
-		], $imageProviders));
-
-		if (in_array(Preview\Image::class, $this->defaultProviders)) {
-			$this->defaultProviders = array_merge($this->defaultProviders, $imageProviders);
-		}
-		$this->defaultProviders = array_unique($this->defaultProviders);
-		return $this->defaultProviders;
-	}
-
-	/**
-	 * Register the default providers (if enabled)
-	 *
-	 * @param string $class
-	 * @param string $mimeType
-	 */
-	protected function registerCoreProvider($class, $mimeType, $options = []) {
-		if (in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
-			$this->registerProvider($mimeType, function () use ($class, $options) {
-				return new $class($options);
-			});
-		}
-	}
-
-	/**
-	 * Register the default providers (if enabled)
-	 */
-	protected function registerCoreProviders() {
-		if ($this->registeredCoreProviders) {
-			return;
-		}
-		$this->registeredCoreProviders = true;
-
-		$this->registerCoreProvider(Preview\TXT::class, '/text\/plain/');
-		$this->registerCoreProvider(Preview\MarkDown::class, '/text\/(x-)?markdown/');
-		$this->registerCoreProvider(Preview\PNG::class, '/image\/png/');
-		$this->registerCoreProvider(Preview\JPEG::class, '/image\/jpeg/');
-		$this->registerCoreProvider(Preview\GIF::class, '/image\/gif/');
-		$this->registerCoreProvider(Preview\BMP::class, '/image\/bmp/');
-		$this->registerCoreProvider(Preview\XBitmap::class, '/image\/x-xbitmap/');
-		$this->registerCoreProvider(Preview\WebP::class, '/image\/webp/');
-		$this->registerCoreProvider(Preview\Krita::class, '/application\/x-krita/');
-		$this->registerCoreProvider(Preview\MP3::class, '/audio\/mpeg/');
-		$this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
-		$this->registerCoreProvider(Preview\Imaginary::class, Preview\Imaginary::supportedMimeTypes());
-
-		// SVG, Office and Bitmap require imagick
-		if (extension_loaded('imagick')) {
-			$checkImagick = new \Imagick();
-
-			$imagickProviders = [
-				'SVG' => ['mimetype' => '/image\/svg\+xml/', 'class' => Preview\SVG::class],
-				'TIFF' => ['mimetype' => '/image\/tiff/', 'class' => Preview\TIFF::class],
-				'PDF' => ['mimetype' => '/application\/pdf/', 'class' => Preview\PDF::class],
-				'AI' => ['mimetype' => '/application\/illustrator/', 'class' => Preview\Illustrator::class],
-				'PSD' => ['mimetype' => '/application\/x-photoshop/', 'class' => Preview\Photoshop::class],
-				'EPS' => ['mimetype' => '/application\/postscript/', 'class' => Preview\Postscript::class],
-				'TTF' => ['mimetype' => '/application\/(?:font-sfnt|x-font$)/', 'class' => Preview\Font::class],
-				'HEIC' => ['mimetype' => '/image\/hei(f|c)/', 'class' => Preview\HEIC::class],
-				'TGA' => ['mimetype' => '/image\/t(ar)?ga/', 'class' => Preview\TGA::class],
-				'SGI' => ['mimetype' => '/image\/sgi/', 'class' => Preview\SGI::class],
-			];
-
-			foreach ($imagickProviders as $queryFormat => $provider) {
-				$class = $provider['class'];
-				if (!in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
-					continue;
-				}
-
-				if (count($checkImagick->queryFormats($queryFormat)) === 1) {
-					$this->registerCoreProvider($class, $provider['mimetype']);
-				}
-			}
-
-			if (count($checkImagick->queryFormats('PDF')) === 1) {
-				// Office requires openoffice or libreoffice
-				$officeBinary = $this->config->getSystemValue('preview_libreoffice_path', null);
-				if (!is_string($officeBinary)) {
-					$officeBinary = $this->binaryFinder->findBinaryPath('libreoffice');
-				}
-				if (!is_string($officeBinary)) {
-					$officeBinary = $this->binaryFinder->findBinaryPath('openoffice');
-				}
-
-				if (is_string($officeBinary)) {
-					$this->registerCoreProvider(Preview\MSOfficeDoc::class, '/application\/msword/', ["officeBinary" => $officeBinary]);
-					$this->registerCoreProvider(Preview\MSOffice2003::class, '/application\/vnd.ms-.*/', ["officeBinary" => $officeBinary]);
-					$this->registerCoreProvider(Preview\MSOffice2007::class, '/application\/vnd.openxmlformats-officedocument.*/', ["officeBinary" => $officeBinary]);
-					$this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/', ["officeBinary" => $officeBinary]);
-					$this->registerCoreProvider(Preview\StarOffice::class, '/application\/vnd.sun.xml.*/', ["officeBinary" => $officeBinary]);
-				}
-			}
-		}
-
-		// Video requires avconv or ffmpeg
-		if (in_array(Preview\Movie::class, $this->getEnabledDefaultProvider())) {
-			$movieBinary = $this->binaryFinder->findBinaryPath('avconv');
-			if (!is_string($movieBinary)) {
-				$movieBinary = $this->binaryFinder->findBinaryPath('ffmpeg');
-			}
-
-			if (is_string($movieBinary)) {
-				$this->registerCoreProvider(Preview\Movie::class, '/video\/.*/', ["movieBinary" => $movieBinary]);
-			}
-		}
-	}
-
-	private function registerBootstrapProviders(): void {
-		$context = $this->bootstrapCoordinator->getRegistrationContext();
-
-		if ($context === null) {
-			// Just ignore for now
-			return;
-		}
-
-		$providers = $context->getPreviewProviders();
-		foreach ($providers as $provider) {
-			$key = $provider->getMimeTypeRegex() . '-' . $provider->getService();
-			if (array_key_exists($key, $this->loadedBootstrapProviders)) {
-				// Do not load the provider more than once
-				continue;
-			}
-			$this->loadedBootstrapProviders[$key] = null;
-
-			$this->registerProvider($provider->getMimeTypeRegex(), function () use ($provider) {
-				try {
-					return $this->container->get($provider->getService());
-				} catch (QueryException $e) {
-					return null;
-				}
-			});
-		}
-	}
+    protected IConfig $config;
+    protected IRootFolder $rootFolder;
+    protected IAppData $appData;
+    protected IEventDispatcher $eventDispatcher;
+    protected EventDispatcherInterface $legacyEventDispatcher;
+    private ?Generator $generator = null;
+    private GeneratorHelper $helper;
+    protected bool $providerListDirty = false;
+    protected bool $registeredCoreProviders = false;
+    protected array $providers = [];
+
+    /** @var array mime type => support status */
+    protected array $mimeTypeSupportMap = [];
+    protected ?array $defaultProviders = null;
+    protected ?string $userId;
+    private Coordinator $bootstrapCoordinator;
+
+    /**
+     * Hash map (without value) of loaded bootstrap providers
+     * @psalm-var array<string, null>
+     */
+    private array $loadedBootstrapProviders = [];
+    private IServerContainer $container;
+    private IBinaryFinder $binaryFinder;
+
+    public function __construct(
+        IConfig                  $config,
+        IRootFolder              $rootFolder,
+        IAppData                 $appData,
+        IEventDispatcher 		 $eventDispatcher,
+        EventDispatcherInterface $legacyEventDispatcher,
+        GeneratorHelper          $helper,
+        ?string                  $userId,
+        Coordinator              $bootstrapCoordinator,
+        IServerContainer         $container,
+        IBinaryFinder            $binaryFinder
+    ) {
+        $this->config = $config;
+        $this->rootFolder = $rootFolder;
+        $this->appData = $appData;
+        $this->eventDispatcher = $eventDispatcher;
+        $this->legacyEventDispatcher = $legacyEventDispatcher;
+        $this->helper = $helper;
+        $this->userId = $userId;
+        $this->bootstrapCoordinator = $bootstrapCoordinator;
+        $this->container = $container;
+        $this->binaryFinder = $binaryFinder;
+    }
+
+    /**
+     * In order to improve lazy loading a closure can be registered which will be
+     * called in case preview providers are actually requested
+     *
+     * $callable has to return an instance of \OCP\Preview\IProvider or \OCP\Preview\IProviderV2
+     *
+     * @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
+     * @param \Closure $callable
+     * @return void
+     */
+    public function registerProvider($mimeTypeRegex, \Closure $callable): void {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return;
+        }
+
+        if (!isset($this->providers[$mimeTypeRegex])) {
+            $this->providers[$mimeTypeRegex] = [];
+        }
+        $this->providers[$mimeTypeRegex][] = $callable;
+        $this->providerListDirty = true;
+    }
+
+    /**
+     * Get all providers
+     */
+    public function getProviders(): array {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return [];
+        }
+
+        $this->registerCoreProviders();
+        $this->registerBootstrapProviders();
+        if ($this->providerListDirty) {
+            $keys = array_map('strlen', array_keys($this->providers));
+            array_multisort($keys, SORT_DESC, $this->providers);
+            $this->providerListDirty = false;
+        }
+
+        return $this->providers;
+    }
+
+    /**
+     * Does the manager have any providers
+     */
+    public function hasProviders(): bool {
+        $this->registerCoreProviders();
+        return !empty($this->providers);
+    }
+
+    private function getGenerator(): Generator {
+        if ($this->generator === null) {
+            $this->generator = new Generator(
+                $this->config,
+                $this,
+                $this->appData,
+                new GeneratorHelper(
+                    $this->rootFolder,
+                    $this->config
+                ),
+                $this->legacyEventDispatcher,
+                $this->eventDispatcher
+            );
+        }
+        return $this->generator;
+    }
+
+    /**
+     * Returns a preview of a file
+     *
+     * The cache is searched first and if nothing usable was found then a preview is
+     * generated by one of the providers
+     *
+     * @param File $file
+     * @param int $width
+     * @param int $height
+     * @param bool $crop
+     * @param string $mode
+     * @param string $mimeType
+     * @return ISimpleFile
+     * @throws NotFoundException
+     * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
+     * @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
+     */
+    public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
+        return $this->getGenerator()->getPreview($file, $width, $height, $crop, $mode, $mimeType);
+    }
+
+    /**
+     * Generates previews of a file
+     *
+     * @param File $file
+     * @param array $specifications
+     * @param string $mimeType
+     * @return ISimpleFile the last preview that was generated
+     * @throws NotFoundException
+     * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
+     * @since 19.0.0
+     */
+    public function generatePreviews(File $file, array $specifications, $mimeType = null) {
+        return $this->getGenerator()->generatePreviews($file, $specifications, $mimeType);
+    }
+
+    /**
+     * returns true if the passed mime type is supported
+     *
+     * @param string $mimeType
+     * @return boolean
+     */
+    public function isMimeSupported($mimeType = '*') {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return false;
+        }
+
+        if (isset($this->mimeTypeSupportMap[$mimeType])) {
+            return $this->mimeTypeSupportMap[$mimeType];
+        }
+
+        $this->registerCoreProviders();
+        $this->registerBootstrapProviders();
+        $providerMimeTypes = array_keys($this->providers);
+        foreach ($providerMimeTypes as $supportedMimeType) {
+            if (preg_match($supportedMimeType, $mimeType)) {
+                $this->mimeTypeSupportMap[$mimeType] = true;
+                return true;
+            }
+        }
+        $this->mimeTypeSupportMap[$mimeType] = false;
+        return false;
+    }
+
+    /**
+     * Check if a preview can be generated for a file
+     */
+    public function isAvailable(\OCP\Files\FileInfo $file): bool {
+        if (!$this->config->getSystemValue('enable_previews', true)) {
+            return false;
+        }
+
+        $this->registerCoreProviders();
+        if (!$this->isMimeSupported($file->getMimetype())) {
+            return false;
+        }
+
+        $mount = $file->getMountPoint();
+        if ($mount and !$mount->getOption('previews', true)) {
+            return false;
+        }
+
+        foreach ($this->providers as $supportedMimeType => $providers) {
+            if (preg_match($supportedMimeType, $file->getMimetype())) {
+                foreach ($providers as $providerClosure) {
+                    $provider = $this->helper->getProvider($providerClosure);
+                    if (!($provider instanceof IProviderV2)) {
+                        continue;
+                    }
+
+                    if ($provider->isAvailable($file)) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * List of enabled default providers
+     *
+     * The following providers are enabled by default:
+     *  - OC\Preview\PNG
+     *  - OC\Preview\JPEG
+     *  - OC\Preview\GIF
+     *  - OC\Preview\BMP
+     *  - OC\Preview\XBitmap
+     *  - OC\Preview\MarkDown
+     *  - OC\Preview\MP3
+     *  - OC\Preview\TXT
+     *
+     * The following providers are disabled by default due to performance or privacy concerns:
+     *  - OC\Preview\Font
+     *  - OC\Preview\HEIC
+     *  - OC\Preview\Illustrator
+     *  - OC\Preview\Movie
+     *  - OC\Preview\MSOfficeDoc
+     *  - OC\Preview\MSOffice2003
+     *  - OC\Preview\MSOffice2007
+     *  - OC\Preview\OpenDocument
+     *  - OC\Preview\PDF
+     *  - OC\Preview\Photoshop
+     *  - OC\Preview\Postscript
+     *  - OC\Preview\StarOffice
+     *  - OC\Preview\SVG
+     *  - OC\Preview\TIFF
+     *
+     * @return array
+     */
+    protected function getEnabledDefaultProvider() {
+        if ($this->defaultProviders !== null) {
+            return $this->defaultProviders;
+        }
+
+        $imageProviders = [
+            Preview\PNG::class,
+            Preview\JPEG::class,
+            Preview\GIF::class,
+            Preview\BMP::class,
+            Preview\XBitmap::class,
+            Preview\Krita::class,
+            Preview\WebP::class,
+        ];
+
+        $this->defaultProviders = $this->config->getSystemValue('enabledPreviewProviders', array_merge([
+            Preview\MarkDown::class,
+            Preview\MP3::class,
+            Preview\TXT::class,
+            Preview\OpenDocument::class,
+        ], $imageProviders));
+
+        if (in_array(Preview\Image::class, $this->defaultProviders)) {
+            $this->defaultProviders = array_merge($this->defaultProviders, $imageProviders);
+        }
+        $this->defaultProviders = array_unique($this->defaultProviders);
+        return $this->defaultProviders;
+    }
+
+    /**
+     * Register the default providers (if enabled)
+     *
+     * @param string $class
+     * @param string $mimeType
+     */
+    protected function registerCoreProvider($class, $mimeType, $options = []) {
+        if (in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
+            $this->registerProvider($mimeType, function () use ($class, $options) {
+                return new $class($options);
+            });
+        }
+    }
+
+    /**
+     * Register the default providers (if enabled)
+     */
+    protected function registerCoreProviders() {
+        if ($this->registeredCoreProviders) {
+            return;
+        }
+        $this->registeredCoreProviders = true;
+
+        $this->registerCoreProvider(Preview\TXT::class, '/text\/plain/');
+        $this->registerCoreProvider(Preview\MarkDown::class, '/text\/(x-)?markdown/');
+        $this->registerCoreProvider(Preview\PNG::class, '/image\/png/');
+        $this->registerCoreProvider(Preview\JPEG::class, '/image\/jpeg/');
+        $this->registerCoreProvider(Preview\GIF::class, '/image\/gif/');
+        $this->registerCoreProvider(Preview\BMP::class, '/image\/bmp/');
+        $this->registerCoreProvider(Preview\XBitmap::class, '/image\/x-xbitmap/');
+        $this->registerCoreProvider(Preview\WebP::class, '/image\/webp/');
+        $this->registerCoreProvider(Preview\Krita::class, '/application\/x-krita/');
+        $this->registerCoreProvider(Preview\MP3::class, '/audio\/mpeg/');
+        $this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
+        $this->registerCoreProvider(Preview\Imaginary::class, Preview\Imaginary::supportedMimeTypes());
+
+        // SVG, Office and Bitmap require imagick
+        if (extension_loaded('imagick')) {
+            $checkImagick = new \Imagick();
+
+            $imagickProviders = [
+                'SVG' => ['mimetype' => '/image\/svg\+xml/', 'class' => Preview\SVG::class],
+                'TIFF' => ['mimetype' => '/image\/tiff/', 'class' => Preview\TIFF::class],
+                'PDF' => ['mimetype' => '/application\/pdf/', 'class' => Preview\PDF::class],
+                'AI' => ['mimetype' => '/application\/illustrator/', 'class' => Preview\Illustrator::class],
+                'PSD' => ['mimetype' => '/application\/x-photoshop/', 'class' => Preview\Photoshop::class],
+                'EPS' => ['mimetype' => '/application\/postscript/', 'class' => Preview\Postscript::class],
+                'TTF' => ['mimetype' => '/application\/(?:font-sfnt|x-font$)/', 'class' => Preview\Font::class],
+                'HEIC' => ['mimetype' => '/image\/hei(f|c)/', 'class' => Preview\HEIC::class],
+                'TGA' => ['mimetype' => '/image\/t(ar)?ga/', 'class' => Preview\TGA::class],
+                'SGI' => ['mimetype' => '/image\/sgi/', 'class' => Preview\SGI::class],
+            ];
+
+            foreach ($imagickProviders as $queryFormat => $provider) {
+                $class = $provider['class'];
+                if (!in_array(trim($class, '\\'), $this->getEnabledDefaultProvider())) {
+                    continue;
+                }
+
+                if (count($checkImagick->queryFormats($queryFormat)) === 1) {
+                    $this->registerCoreProvider($class, $provider['mimetype']);
+                }
+            }
+
+            if (count($checkImagick->queryFormats('PDF')) === 1) {
+                // Office requires openoffice or libreoffice
+                $officeBinary = $this->config->getSystemValue('preview_libreoffice_path', null);
+                if (!is_string($officeBinary)) {
+                    $officeBinary = $this->binaryFinder->findBinaryPath('libreoffice');
+                }
+                if (!is_string($officeBinary)) {
+                    $officeBinary = $this->binaryFinder->findBinaryPath('openoffice');
+                }
+
+                if (is_string($officeBinary)) {
+                    $this->registerCoreProvider(Preview\MSOfficeDoc::class, '/application\/msword/', ["officeBinary" => $officeBinary]);
+                    $this->registerCoreProvider(Preview\MSOffice2003::class, '/application\/vnd.ms-.*/', ["officeBinary" => $officeBinary]);
+                    $this->registerCoreProvider(Preview\MSOffice2007::class, '/application\/vnd.openxmlformats-officedocument.*/', ["officeBinary" => $officeBinary]);
+                    $this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/', ["officeBinary" => $officeBinary]);
+                    $this->registerCoreProvider(Preview\StarOffice::class, '/application\/vnd.sun.xml.*/', ["officeBinary" => $officeBinary]);
+                }
+            }
+        }
+
+        // Video requires avconv or ffmpeg
+        if (in_array(Preview\Movie::class, $this->getEnabledDefaultProvider())) {
+            $movieBinary = $this->binaryFinder->findBinaryPath('avconv');
+            if (!is_string($movieBinary)) {
+                $movieBinary = $this->binaryFinder->findBinaryPath('ffmpeg');
+            }
+
+            if (is_string($movieBinary)) {
+                $this->registerCoreProvider(Preview\Movie::class, '/video\/.*/', ["movieBinary" => $movieBinary]);
+            }
+        }
+    }
+
+    private function registerBootstrapProviders(): void {
+        $context = $this->bootstrapCoordinator->getRegistrationContext();
+
+        if ($context === null) {
+            // Just ignore for now
+            return;
+        }
+
+        $providers = $context->getPreviewProviders();
+        foreach ($providers as $provider) {
+            $key = $provider->getMimeTypeRegex() . '-' . $provider->getService();
+            if (array_key_exists($key, $this->loadedBootstrapProviders)) {
+                // Do not load the provider more than once
+                continue;
+            }
+            $this->loadedBootstrapProviders[$key] = null;
+
+            $this->registerProvider($provider->getMimeTypeRegex(), function () use ($provider) {
+                try {
+                    return $this->container->get($provider->getService());
+                } catch (QueryException $e) {
+                    return null;
+                }
+            });
+        }
+    }
 }

lib/private/Server.php

Indentation +2097 added lines, -2097 removed lines

@@ -280,2106 +280,2106 @@
  */
 class Server extends ServerContainer implements IServerContainer {
 
-	/** @var string */
-	private $webRoot;
-
-	/**
-	 * @param string $webRoot
-	 * @param \OC\Config $config
-	 */
-	public function __construct($webRoot, \OC\Config $config) {
-		parent::__construct();
-		$this->webRoot = $webRoot;
-
-		// To find out if we are running from CLI or not
-		$this->registerParameter('isCLI', \OC::$CLI);
-		$this->registerParameter('serverRoot', \OC::$SERVERROOT);
-
-		$this->registerService(ContainerInterface::class, function (ContainerInterface $c) {
-			return $c;
-		});
-		$this->registerService(\OCP\IServerContainer::class, function (ContainerInterface $c) {
-			return $c;
-		});
-
-		$this->registerAlias(\OCP\Calendar\IManager::class, \OC\Calendar\Manager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CalendarManager', \OC\Calendar\Manager::class);
-
-		$this->registerAlias(\OCP\Calendar\Resource\IManager::class, \OC\Calendar\Resource\Manager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CalendarResourceBackendManager', \OC\Calendar\Resource\Manager::class);
-
-		$this->registerAlias(\OCP\Calendar\Room\IManager::class, \OC\Calendar\Room\Manager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CalendarRoomBackendManager', \OC\Calendar\Room\Manager::class);
-
-		$this->registerAlias(\OCP\Contacts\IManager::class, \OC\ContactsManager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('ContactsManager', \OCP\Contacts\IManager::class);
-
-		$this->registerAlias(\OCP\DirectEditing\IManager::class, \OC\DirectEditing\Manager::class);
-		$this->registerAlias(ITemplateManager::class, TemplateManager::class);
-
-		$this->registerAlias(IActionFactory::class, ActionFactory::class);
-
-		$this->registerService(View::class, function (Server $c) {
-			return new View();
-		}, false);
-
-		$this->registerService(IPreview::class, function (ContainerInterface $c) {
-			return new PreviewManager(
-				$c->get(\OCP\IConfig::class),
-				$c->get(IRootFolder::class),
-				new \OC\Preview\Storage\Root(
-					$c->get(IRootFolder::class),
-					$c->get(SystemConfig::class)
-				),
-				$c->get(IEventDispatcher::class),
-				$c->get(SymfonyAdapter::class),
-				$c->get(GeneratorHelper::class),
-				$c->get(ISession::class)->get('user_id'),
-				$c->get(Coordinator::class),
-				$c->get(IServerContainer::class),
-				$c->get(IBinaryFinder::class)
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('PreviewManager', IPreview::class);
-
-		$this->registerService(\OC\Preview\Watcher::class, function (ContainerInterface $c) {
-			return new \OC\Preview\Watcher(
-				new \OC\Preview\Storage\Root(
-					$c->get(IRootFolder::class),
-					$c->get(SystemConfig::class)
-				)
-			);
-		});
-
-		$this->registerService(IProfiler::class, function (Server $c) {
-			return new Profiler($c->get(SystemConfig::class));
-		});
-
-		$this->registerService(\OCP\Encryption\IManager::class, function (Server $c): Encryption\Manager {
-			$view = new View();
-			$util = new Encryption\Util(
-				$view,
-				$c->get(IUserManager::class),
-				$c->get(IGroupManager::class),
-				$c->get(\OCP\IConfig::class)
-			);
-			return new Encryption\Manager(
-				$c->get(\OCP\IConfig::class),
-				$c->get(LoggerInterface::class),
-				$c->getL10N('core'),
-				new View(),
-				$util,
-				new ArrayCache()
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('EncryptionManager', \OCP\Encryption\IManager::class);
-
-		/** @deprecated 21.0.0 */
-		$this->registerDeprecatedAlias('EncryptionFileHelper', IFile::class);
-		$this->registerService(IFile::class, function (ContainerInterface $c) {
-			$util = new Encryption\Util(
-				new View(),
-				$c->get(IUserManager::class),
-				$c->get(IGroupManager::class),
-				$c->get(\OCP\IConfig::class)
-			);
-			return new Encryption\File(
-				$util,
-				$c->get(IRootFolder::class),
-				$c->get(\OCP\Share\IManager::class)
-			);
-		});
-
-		/** @deprecated 21.0.0 */
-		$this->registerDeprecatedAlias('EncryptionKeyStorage', IStorage::class);
-		$this->registerService(IStorage::class, function (ContainerInterface $c) {
-			$view = new View();
-			$util = new Encryption\Util(
-				$view,
-				$c->get(IUserManager::class),
-				$c->get(IGroupManager::class),
-				$c->get(\OCP\IConfig::class)
-			);
-
-			return new Encryption\Keys\Storage(
-				$view,
-				$util,
-				$c->get(ICrypto::class),
-				$c->get(\OCP\IConfig::class)
-			);
-		});
-		/** @deprecated 20.0.0 */
-		$this->registerDeprecatedAlias('TagMapper', TagMapper::class);
-
-		$this->registerAlias(\OCP\ITagManager::class, TagManager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('TagManager', \OCP\ITagManager::class);
-
-		$this->registerService('SystemTagManagerFactory', function (ContainerInterface $c) {
-			/** @var \OCP\IConfig $config */
-			$config = $c->get(\OCP\IConfig::class);
-			$factoryClass = $config->getSystemValue('systemtags.managerFactory', SystemTagManagerFactory::class);
-			return new $factoryClass($this);
-		});
-		$this->registerService(ISystemTagManager::class, function (ContainerInterface $c) {
-			return $c->get('SystemTagManagerFactory')->getManager();
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('SystemTagManager', ISystemTagManager::class);
-
-		$this->registerService(ISystemTagObjectMapper::class, function (ContainerInterface $c) {
-			return $c->get('SystemTagManagerFactory')->getObjectMapper();
-		});
-		$this->registerService('RootFolder', function (ContainerInterface $c) {
-			$manager = \OC\Files\Filesystem::getMountManager(null);
-			$view = new View();
-			$root = new Root(
-				$manager,
-				$view,
-				null,
-				$c->get(IUserMountCache::class),
-				$this->get(LoggerInterface::class),
-				$this->get(IUserManager::class),
-				$this->get(IEventDispatcher::class),
-			);
-
-			$previewConnector = new \OC\Preview\WatcherConnector(
-				$root,
-				$c->get(SystemConfig::class)
-			);
-			$previewConnector->connectWatcher();
-
-			return $root;
-		});
-		$this->registerService(HookConnector::class, function (ContainerInterface $c) {
-			return new HookConnector(
-				$c->get(IRootFolder::class),
-				new View(),
-				$c->get(\OC\EventDispatcher\SymfonyAdapter::class),
-				$c->get(IEventDispatcher::class)
-			);
-		});
-
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('SystemTagObjectMapper', ISystemTagObjectMapper::class);
-
-		$this->registerService(IRootFolder::class, function (ContainerInterface $c) {
-			return new LazyRoot(function () use ($c) {
-				return $c->get('RootFolder');
-			});
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('LazyRootFolder', IRootFolder::class);
-
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('UserManager', \OC\User\Manager::class);
-		$this->registerAlias(\OCP\IUserManager::class, \OC\User\Manager::class);
-
-		$this->registerService(DisplayNameCache::class, function (ContainerInterface $c) {
-			return $c->get(\OC\User\Manager::class)->getDisplayNameCache();
-		});
-
-		$this->registerService(\OCP\IGroupManager::class, function (ContainerInterface $c) {
-			$groupManager = new \OC\Group\Manager(
-				$this->get(IUserManager::class),
-				$c->get(SymfonyAdapter::class),
-				$this->get(LoggerInterface::class)
-			);
-			$groupManager->listen('\OC\Group', 'preCreate', function ($gid) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeGroupCreatedEvent($gid));
-			});
-			$groupManager->listen('\OC\Group', 'postCreate', function (\OC\Group\Group $group) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new GroupCreatedEvent($group));
-			});
-			$groupManager->listen('\OC\Group', 'preDelete', function (\OC\Group\Group $group) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeGroupDeletedEvent($group));
-			});
-			$groupManager->listen('\OC\Group', 'postDelete', function (\OC\Group\Group $group) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new GroupDeletedEvent($group));
-			});
-			$groupManager->listen('\OC\Group', 'preAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserAddedEvent($group, $user));
-			});
-			$groupManager->listen('\OC\Group', 'postAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserAddedEvent($group, $user));
-			});
-			$groupManager->listen('\OC\Group', 'preRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserRemovedEvent($group, $user));
-			});
-			$groupManager->listen('\OC\Group', 'postRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserRemovedEvent($group, $user));
-			});
-			return $groupManager;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('GroupManager', \OCP\IGroupManager::class);
-
-		$this->registerService(Store::class, function (ContainerInterface $c) {
-			$session = $c->get(ISession::class);
-			if (\OC::$server->get(SystemConfig::class)->getValue('installed', false)) {
-				$tokenProvider = $c->get(IProvider::class);
-			} else {
-				$tokenProvider = null;
-			}
-			$logger = $c->get(LoggerInterface::class);
-			return new Store($session, $logger, $tokenProvider);
-		});
-		$this->registerAlias(IStore::class, Store::class);
-		$this->registerAlias(IProvider::class, Authentication\Token\Manager::class);
-
-		$this->registerService(\OC\User\Session::class, function (Server $c) {
-			$manager = $c->get(IUserManager::class);
-			$session = new \OC\Session\Memory('');
-			$timeFactory = new TimeFactory();
-			// Token providers might require a working database. This code
-			// might however be called when Nextcloud is not yet setup.
-			if (\OC::$server->get(SystemConfig::class)->getValue('installed', false)) {
-				$provider = $c->get(IProvider::class);
-			} else {
-				$provider = null;
-			}
-
-			$legacyDispatcher = $c->get(SymfonyAdapter::class);
-
-			$userSession = new \OC\User\Session(
-				$manager,
-				$session,
-				$timeFactory,
-				$provider,
-				$c->get(\OCP\IConfig::class),
-				$c->get(ISecureRandom::class),
-				$c->getLockdownManager(),
-				$c->get(LoggerInterface::class),
-				$c->get(IEventDispatcher::class)
-			);
-			/** @deprecated 21.0.0 use BeforeUserCreatedEvent event with the IEventDispatcher instead */
-			$userSession->listen('\OC\User', 'preCreateUser', function ($uid, $password) {
-				\OC_Hook::emit('OC_User', 'pre_createUser', ['run' => true, 'uid' => $uid, 'password' => $password]);
-			});
-			/** @deprecated 21.0.0 use UserCreatedEvent event with the IEventDispatcher instead */
-			$userSession->listen('\OC\User', 'postCreateUser', function ($user, $password) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'post_createUser', ['uid' => $user->getUID(), 'password' => $password]);
-			});
-			/** @deprecated 21.0.0 use BeforeUserDeletedEvent event with the IEventDispatcher instead */
-			$userSession->listen('\OC\User', 'preDelete', function ($user) use ($legacyDispatcher) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'pre_deleteUser', ['run' => true, 'uid' => $user->getUID()]);
-				$legacyDispatcher->dispatch('OCP\IUser::preDelete', new GenericEvent($user));
-			});
-			/** @deprecated 21.0.0 use UserDeletedEvent event with the IEventDispatcher instead */
-			$userSession->listen('\OC\User', 'postDelete', function ($user) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'post_deleteUser', ['uid' => $user->getUID()]);
-			});
-			$userSession->listen('\OC\User', 'preSetPassword', function ($user, $password, $recoveryPassword) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'pre_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforePasswordUpdatedEvent($user, $password, $recoveryPassword));
-			});
-			$userSession->listen('\OC\User', 'postSetPassword', function ($user, $password, $recoveryPassword) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'post_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new PasswordUpdatedEvent($user, $password, $recoveryPassword));
-			});
-			$userSession->listen('\OC\User', 'preLogin', function ($uid, $password) {
-				\OC_Hook::emit('OC_User', 'pre_login', ['run' => true, 'uid' => $uid, 'password' => $password]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserLoggedInEvent($uid, $password));
-			});
-			$userSession->listen('\OC\User', 'postLogin', function ($user, $loginName, $password, $isTokenLogin) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'loginName' => $loginName, 'password' => $password, 'isTokenLogin' => $isTokenLogin]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserLoggedInEvent($user, $loginName, $password, $isTokenLogin));
-			});
-			$userSession->listen('\OC\User', 'preRememberedLogin', function ($uid) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserLoggedInWithCookieEvent($uid));
-			});
-			$userSession->listen('\OC\User', 'postRememberedLogin', function ($user, $password) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserLoggedInWithCookieEvent($user, $password));
-			});
-			$userSession->listen('\OC\User', 'logout', function ($user) {
-				\OC_Hook::emit('OC_User', 'logout', []);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new BeforeUserLoggedOutEvent($user));
-			});
-			$userSession->listen('\OC\User', 'postLogout', function ($user) {
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserLoggedOutEvent($user));
-			});
-			$userSession->listen('\OC\User', 'changeUser', function ($user, $feature, $value, $oldValue) {
-				/** @var \OC\User\User $user */
-				\OC_Hook::emit('OC_User', 'changeUser', ['run' => true, 'user' => $user, 'feature' => $feature, 'value' => $value, 'old_value' => $oldValue]);
-
-				/** @var IEventDispatcher $dispatcher */
-				$dispatcher = $this->get(IEventDispatcher::class);
-				$dispatcher->dispatchTyped(new UserChangedEvent($user, $feature, $value, $oldValue));
-			});
-			return $userSession;
-		});
-		$this->registerAlias(\OCP\IUserSession::class, \OC\User\Session::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('UserSession', \OC\User\Session::class);
-
-		$this->registerAlias(\OCP\Authentication\TwoFactorAuth\IRegistry::class, \OC\Authentication\TwoFactorAuth\Registry::class);
-
-		$this->registerAlias(INavigationManager::class, \OC\NavigationManager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('NavigationManager', INavigationManager::class);
-
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('AllConfig', \OC\AllConfig::class);
-		$this->registerAlias(\OCP\IConfig::class, \OC\AllConfig::class);
-
-		$this->registerService(\OC\SystemConfig::class, function ($c) use ($config) {
-			return new \OC\SystemConfig($config);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('SystemConfig', \OC\SystemConfig::class);
-
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('AppConfig', \OC\AppConfig::class);
-		$this->registerAlias(IAppConfig::class, \OC\AppConfig::class);
-
-		$this->registerService(IFactory::class, function (Server $c) {
-			return new \OC\L10N\Factory(
-				$c->get(\OCP\IConfig::class),
-				$c->getRequest(),
-				$c->get(IUserSession::class),
-				\OC::$SERVERROOT
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('L10NFactory', IFactory::class);
-
-		$this->registerAlias(IURLGenerator::class, URLGenerator::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('URLGenerator', IURLGenerator::class);
-
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('AppFetcher', AppFetcher::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CategoryFetcher', CategoryFetcher::class);
-
-		$this->registerService(ICache::class, function ($c) {
-			return new Cache\File();
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('UserCache', ICache::class);
-
-		$this->registerService(Factory::class, function (Server $c) {
-			$profiler = $c->get(IProfiler::class);
-			$arrayCacheFactory = new \OC\Memcache\Factory('', $c->get(LoggerInterface::class),
-				$profiler,
-				ArrayCache::class,
-				ArrayCache::class,
-				ArrayCache::class
-			);
-			/** @var \OCP\IConfig $config */
-			$config = $c->get(\OCP\IConfig::class);
-
-			if ($config->getSystemValue('installed', false) && !(defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
-				if (!$config->getSystemValueBool('log_query')) {
-					$v = \OC_App::getAppVersions();
-				} else {
-					// If the log_query is enabled, we can not get the app versions
-					// as that does a query, which will be logged and the logging
-					// depends on redis and here we are back again in the same function.
-					$v = [
-						'log_query' => 'enabled',
-					];
-				}
-				$v['core'] = implode(',', \OC_Util::getVersion());
-				$version = implode(',', $v);
-				$instanceId = \OC_Util::getInstanceId();
-				$path = \OC::$SERVERROOT;
-				$prefix = md5($instanceId . '-' . $version . '-' . $path);
-				return new \OC\Memcache\Factory($prefix,
-					$c->get(LoggerInterface::class),
-					$profiler,
-					$config->getSystemValue('memcache.local', null),
-					$config->getSystemValue('memcache.distributed', null),
-					$config->getSystemValue('memcache.locking', null),
-					$config->getSystemValueString('redis_log_file')
-				);
-			}
-			return $arrayCacheFactory;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('MemCacheFactory', Factory::class);
-		$this->registerAlias(ICacheFactory::class, Factory::class);
-
-		$this->registerService('RedisFactory', function (Server $c) {
-			$systemConfig = $c->get(SystemConfig::class);
-			return new RedisFactory($systemConfig, $c->getEventLogger());
-		});
-
-		$this->registerService(\OCP\Activity\IManager::class, function (Server $c) {
-			$l10n = $this->get(IFactory::class)->get('lib');
-			return new \OC\Activity\Manager(
-				$c->getRequest(),
-				$c->get(IUserSession::class),
-				$c->get(\OCP\IConfig::class),
-				$c->get(IValidator::class),
-				$l10n
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('ActivityManager', \OCP\Activity\IManager::class);
-
-		$this->registerService(\OCP\Activity\IEventMerger::class, function (Server $c) {
-			return new \OC\Activity\EventMerger(
-				$c->getL10N('lib')
-			);
-		});
-		$this->registerAlias(IValidator::class, Validator::class);
-
-		$this->registerService(AvatarManager::class, function (Server $c) {
-			return new AvatarManager(
-				$c->get(IUserSession::class),
-				$c->get(\OC\User\Manager::class),
-				$c->getAppDataDir('avatar'),
-				$c->getL10N('lib'),
-				$c->get(LoggerInterface::class),
-				$c->get(\OCP\IConfig::class),
-				$c->get(IAccountManager::class),
-				$c->get(KnownUserService::class)
-			);
-		});
-
-		$this->registerAlias(IAvatarManager::class, AvatarManager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('AvatarManager', AvatarManager::class);
-
-		$this->registerAlias(\OCP\Support\CrashReport\IRegistry::class, \OC\Support\CrashReport\Registry::class);
-		$this->registerAlias(\OCP\Support\Subscription\IRegistry::class, \OC\Support\Subscription\Registry::class);
-		$this->registerAlias(\OCP\Support\Subscription\IAssertion::class, \OC\Support\Subscription\Assertion::class);
-
-		$this->registerService(\OC\Log::class, function (Server $c) {
-			$logType = $c->get(AllConfig::class)->getSystemValue('log_type', 'file');
-			$factory = new LogFactory($c, $this->get(SystemConfig::class));
-			$logger = $factory->get($logType);
-			$registry = $c->get(\OCP\Support\CrashReport\IRegistry::class);
-
-			return new Log($logger, $this->get(SystemConfig::class), null, $registry);
-		});
-		$this->registerAlias(ILogger::class, \OC\Log::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Logger', \OC\Log::class);
-		// PSR-3 logger
-		$this->registerAlias(LoggerInterface::class, PsrLoggerAdapter::class);
-
-		$this->registerService(ILogFactory::class, function (Server $c) {
-			return new LogFactory($c, $this->get(SystemConfig::class));
-		});
-
-		$this->registerAlias(IJobList::class, \OC\BackgroundJob\JobList::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('JobList', IJobList::class);
-
-		$this->registerService(Router::class, function (Server $c) {
-			$cacheFactory = $c->get(ICacheFactory::class);
-			$logger = $c->get(LoggerInterface::class);
-			if ($cacheFactory->isLocalCacheAvailable()) {
-				$router = new \OC\Route\CachingRouter($cacheFactory->createLocal('route'), $logger);
-			} else {
-				$router = new \OC\Route\Router($logger);
-			}
-			return $router;
-		});
-		$this->registerAlias(IRouter::class, Router::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Router', IRouter::class);
-
-		$this->registerAlias(ISearch::class, Search::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Search', ISearch::class);
-
-		$this->registerService(\OC\Security\RateLimiting\Backend\IBackend::class, function ($c) {
-			$cacheFactory = $c->get(ICacheFactory::class);
-			if ($cacheFactory->isAvailable()) {
-				$backend = new \OC\Security\RateLimiting\Backend\MemoryCacheBackend(
-					$this->get(ICacheFactory::class),
-					new \OC\AppFramework\Utility\TimeFactory()
-				);
-			} else {
-				$backend = new \OC\Security\RateLimiting\Backend\DatabaseBackend(
-					$c->get(IDBConnection::class),
-					new \OC\AppFramework\Utility\TimeFactory()
-				);
-			}
-
-			return $backend;
-		});
-
-		$this->registerAlias(\OCP\Security\ISecureRandom::class, SecureRandom::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('SecureRandom', \OCP\Security\ISecureRandom::class);
-
-		$this->registerAlias(IVerificationToken::class, VerificationToken::class);
-
-		$this->registerAlias(ICrypto::class, Crypto::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Crypto', ICrypto::class);
-
-		$this->registerAlias(IHasher::class, Hasher::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Hasher', IHasher::class);
-
-		$this->registerAlias(ICredentialsManager::class, CredentialsManager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CredentialsManager', ICredentialsManager::class);
-
-		$this->registerAlias(IDBConnection::class, ConnectionAdapter::class);
-		$this->registerService(Connection::class, function (Server $c) {
-			$systemConfig = $c->get(SystemConfig::class);
-			$factory = new \OC\DB\ConnectionFactory($systemConfig);
-			$type = $systemConfig->getValue('dbtype', 'sqlite');
-			if (!$factory->isValidType($type)) {
-				throw new \OC\DatabaseException('Invalid database type');
-			}
-			$connectionParams = $factory->createConnectionParams();
-			$connection = $factory->getConnection($type, $connectionParams);
-			return $connection;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('DatabaseConnection', IDBConnection::class);
-
-		$this->registerAlias(ICertificateManager::class, CertificateManager::class);
-		$this->registerAlias(IClientService::class, ClientService::class);
-		$this->registerService(LocalAddressChecker::class, function (ContainerInterface $c) {
-			return new LocalAddressChecker(
-				$c->get(LoggerInterface::class),
-			);
-		});
-		$this->registerService(NegativeDnsCache::class, function (ContainerInterface $c) {
-			return new NegativeDnsCache(
-				$c->get(ICacheFactory::class),
-			);
-		});
-		$this->registerService(DnsPinMiddleware::class, function (ContainerInterface $c) {
-			return new DnsPinMiddleware(
-				$c->get(NegativeDnsCache::class),
-				$c->get(LocalAddressChecker::class)
-			);
-		});
-		$this->registerDeprecatedAlias('HttpClientService', IClientService::class);
-		$this->registerService(IEventLogger::class, function (ContainerInterface $c) {
-			return new EventLogger($c->get(SystemConfig::class), $c->get(LoggerInterface::class), $c->get(Log::class));
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('EventLogger', IEventLogger::class);
-
-		$this->registerService(IQueryLogger::class, function (ContainerInterface $c) {
-			$queryLogger = new QueryLogger();
-			if ($c->get(SystemConfig::class)->getValue('debug', false)) {
-				// In debug mode, module is being activated by default
-				$queryLogger->activate();
-			}
-			return $queryLogger;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('QueryLogger', IQueryLogger::class);
-
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('TempManager', TempManager::class);
-		$this->registerAlias(ITempManager::class, TempManager::class);
-
-		$this->registerService(AppManager::class, function (ContainerInterface $c) {
-			// TODO: use auto-wiring
-			return new \OC\App\AppManager(
-				$c->get(IUserSession::class),
-				$c->get(\OCP\IConfig::class),
-				$c->get(\OC\AppConfig::class),
-				$c->get(IGroupManager::class),
-				$c->get(ICacheFactory::class),
-				$c->get(SymfonyAdapter::class),
-				$c->get(LoggerInterface::class)
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('AppManager', AppManager::class);
-		$this->registerAlias(IAppManager::class, AppManager::class);
-
-		$this->registerAlias(IDateTimeZone::class, DateTimeZone::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('DateTimeZone', IDateTimeZone::class);
-
-		$this->registerService(IDateTimeFormatter::class, function (Server $c) {
-			$language = $c->get(\OCP\IConfig::class)->getUserValue($c->get(ISession::class)->get('user_id'), 'core', 'lang', null);
-
-			return new DateTimeFormatter(
-				$c->get(IDateTimeZone::class)->getTimeZone(),
-				$c->getL10N('lib', $language)
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('DateTimeFormatter', IDateTimeFormatter::class);
-
-		$this->registerService(IUserMountCache::class, function (ContainerInterface $c) {
-			$mountCache = new UserMountCache(
-				$c->get(IDBConnection::class),
-				$c->get(IUserManager::class),
-				$c->get(LoggerInterface::class)
-			);
-			$listener = new UserMountCacheListener($mountCache);
-			$listener->listen($c->get(IUserManager::class));
-			return $mountCache;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('UserMountCache', IUserMountCache::class);
-
-		$this->registerService(IMountProviderCollection::class, function (ContainerInterface $c) {
-			$loader = \OC\Files\Filesystem::getLoader();
-			$mountCache = $c->get(IUserMountCache::class);
-			$manager = new \OC\Files\Config\MountProviderCollection($loader, $mountCache);
-
-			// builtin providers
-
-			$config = $c->get(\OCP\IConfig::class);
-			$logger = $c->get(LoggerInterface::class);
-			$manager->registerProvider(new CacheMountProvider($config));
-			$manager->registerHomeProvider(new LocalHomeMountProvider());
-			$manager->registerHomeProvider(new ObjectHomeMountProvider($config));
-			$manager->registerRootProvider(new RootMountProvider($config, $c->get(LoggerInterface::class)));
-			$manager->registerRootProvider(new ObjectStorePreviewCacheMountProvider($logger, $config));
-
-			return $manager;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('MountConfigManager', IMountProviderCollection::class);
-
-		/** @deprecated 20.0.0 */
-		$this->registerDeprecatedAlias('IniWrapper', IniGetWrapper::class);
-		$this->registerService(IBus::class, function (ContainerInterface $c) {
-			$busClass = $c->get(\OCP\IConfig::class)->getSystemValue('commandbus');
-			if ($busClass) {
-				[$app, $class] = explode('::', $busClass, 2);
-				if ($c->get(IAppManager::class)->isInstalled($app)) {
-					\OC_App::loadApp($app);
-					return $c->get($class);
-				} else {
-					throw new ServiceUnavailableException("The app providing the command bus ($app) is not enabled");
-				}
-			} else {
-				$jobList = $c->get(IJobList::class);
-				return new CronBus($jobList);
-			}
-		});
-		$this->registerDeprecatedAlias('AsyncCommandBus', IBus::class);
-		/** @deprecated 20.0.0 */
-		$this->registerDeprecatedAlias('TrustedDomainHelper', TrustedDomainHelper::class);
-		$this->registerAlias(ITrustedDomainHelper::class, TrustedDomainHelper::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Throttler', Throttler::class);
-		$this->registerAlias(IThrottler::class, Throttler::class);
-		$this->registerService('IntegrityCodeChecker', function (ContainerInterface $c) {
-			// IConfig and IAppManager requires a working database. This code
-			// might however be called when ownCloud is not yet setup.
-			if (\OC::$server->get(SystemConfig::class)->getValue('installed', false)) {
-				$config = $c->get(\OCP\IConfig::class);
-				$appManager = $c->get(IAppManager::class);
-			} else {
-				$config = null;
-				$appManager = null;
-			}
-
-			return new Checker(
-				new EnvironmentHelper(),
-				new FileAccessHelper(),
-				new AppLocator(),
-				$config,
-				$c->get(ICacheFactory::class),
-				$appManager,
-				$c->get(IMimeTypeDetector::class)
-			);
-		});
-		$this->registerService(\OCP\IRequest::class, function (ContainerInterface $c) {
-			if (isset($this['urlParams'])) {
-				$urlParams = $this['urlParams'];
-			} else {
-				$urlParams = [];
-			}
-
-			if (defined('PHPUNIT_RUN') && PHPUNIT_RUN
-				&& in_array('fakeinput', stream_get_wrappers())
-			) {
-				$stream = 'fakeinput://data';
-			} else {
-				$stream = 'php://input';
-			}
-
-			return new Request(
-				[
-					'get' => $_GET,
-					'post' => $_POST,
-					'files' => $_FILES,
-					'server' => $_SERVER,
-					'env' => $_ENV,
-					'cookies' => $_COOKIE,
-					'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
-						? $_SERVER['REQUEST_METHOD']
-						: '',
-					'urlParams' => $urlParams,
-				],
-				$this->get(IRequestId::class),
-				$this->get(\OCP\IConfig::class),
-				$this->get(CsrfTokenManager::class),
-				$stream
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Request', \OCP\IRequest::class);
-
-		$this->registerService(IRequestId::class, function (ContainerInterface $c): IRequestId {
-			return new RequestId(
-				$_SERVER['UNIQUE_ID'] ?? '',
-				$this->get(ISecureRandom::class)
-			);
-		});
-
-		$this->registerService(IMailer::class, function (Server $c) {
-			return new Mailer(
-				$c->get(\OCP\IConfig::class),
-				$c->get(LoggerInterface::class),
-				$c->get(Defaults::class),
-				$c->get(IURLGenerator::class),
-				$c->getL10N('lib'),
-				$c->get(IEventDispatcher::class),
-				$c->get(IFactory::class)
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Mailer', IMailer::class);
-
-		/** @deprecated 21.0.0 */
-		$this->registerDeprecatedAlias('LDAPProvider', ILDAPProvider::class);
-
-		$this->registerService(ILDAPProviderFactory::class, function (ContainerInterface $c) {
-			$config = $c->get(\OCP\IConfig::class);
-			$factoryClass = $config->getSystemValue('ldapProviderFactory', null);
-			if (is_null($factoryClass) || !class_exists($factoryClass)) {
-				return new NullLDAPProviderFactory($this);
-			}
-			/** @var \OCP\LDAP\ILDAPProviderFactory $factory */
-			return new $factoryClass($this);
-		});
-		$this->registerService(ILDAPProvider::class, function (ContainerInterface $c) {
-			$factory = $c->get(ILDAPProviderFactory::class);
-			return $factory->getLDAPProvider();
-		});
-		$this->registerService(ILockingProvider::class, function (ContainerInterface $c) {
-			$ini = $c->get(IniGetWrapper::class);
-			$config = $c->get(\OCP\IConfig::class);
-			$ttl = $config->getSystemValue('filelocking.ttl', max(3600, $ini->getNumeric('max_execution_time')));
-			if ($config->getSystemValue('filelocking.enabled', true) or (defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
-				/** @var \OC\Memcache\Factory $memcacheFactory */
-				$memcacheFactory = $c->get(ICacheFactory::class);
-				$memcache = $memcacheFactory->createLocking('lock');
-				if (!($memcache instanceof \OC\Memcache\NullCache)) {
-					return new MemcacheLockingProvider($memcache, $ttl);
-				}
-				return new DBLockingProvider(
-					$c->get(IDBConnection::class),
-					new TimeFactory(),
-					$ttl,
-					!\OC::$CLI
-				);
-			}
-			return new NoopLockingProvider();
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('LockingProvider', ILockingProvider::class);
-
-		$this->registerService(ILockManager::class, function (Server $c): LockManager {
-			return new LockManager();
-		});
-
-		$this->registerAlias(ILockdownManager::class, 'LockdownManager');
-		$this->registerService(SetupManager::class, function ($c) {
-			// create the setupmanager through the mount manager to resolve the cyclic dependency
-			return $c->get(\OC\Files\Mount\Manager::class)->getSetupManager();
-		});
-		$this->registerAlias(IMountManager::class, \OC\Files\Mount\Manager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('MountManager', IMountManager::class);
-
-		$this->registerService(IMimeTypeDetector::class, function (ContainerInterface $c) {
-			return new \OC\Files\Type\Detection(
-				$c->get(IURLGenerator::class),
-				$c->get(LoggerInterface::class),
-				\OC::$configDir,
-				\OC::$SERVERROOT . '/resources/config/'
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('MimeTypeDetector', IMimeTypeDetector::class);
-
-		$this->registerAlias(IMimeTypeLoader::class, Loader::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('MimeTypeLoader', IMimeTypeLoader::class);
-		$this->registerService(BundleFetcher::class, function () {
-			return new BundleFetcher($this->getL10N('lib'));
-		});
-		$this->registerAlias(\OCP\Notification\IManager::class, Manager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('NotificationManager', \OCP\Notification\IManager::class);
-
-		$this->registerService(CapabilitiesManager::class, function (ContainerInterface $c) {
-			$manager = new CapabilitiesManager($c->get(LoggerInterface::class));
-			$manager->registerCapability(function () use ($c) {
-				return new \OC\OCS\CoreCapabilities($c->get(\OCP\IConfig::class));
-			});
-			$manager->registerCapability(function () use ($c) {
-				return $c->get(\OC\Security\Bruteforce\Capabilities::class);
-			});
-			$manager->registerCapability(function () use ($c) {
-				return $c->get(MetadataCapabilities::class);
-			});
-			return $manager;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CapabilitiesManager', CapabilitiesManager::class);
-
-		$this->registerService(ICommentsManager::class, function (Server $c) {
-			$config = $c->get(\OCP\IConfig::class);
-			$factoryClass = $config->getSystemValue('comments.managerFactory', CommentsManagerFactory::class);
-			/** @var \OCP\Comments\ICommentsManagerFactory $factory */
-			$factory = new $factoryClass($this);
-			$manager = $factory->getManager();
-
-			$manager->registerDisplayNameResolver('user', function ($id) use ($c) {
-				$manager = $c->get(IUserManager::class);
-				$userDisplayName = $manager->getDisplayName($id);
-				if ($userDisplayName === null) {
-					$l = $c->get(IFactory::class)->get('core');
-					return $l->t('Unknown user');
-				}
-				return $userDisplayName;
-			});
-
-			return $manager;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CommentsManager', ICommentsManager::class);
-
-		$this->registerAlias(\OC_Defaults::class, 'ThemingDefaults');
-		$this->registerService('ThemingDefaults', function (Server $c) {
-			/*
+    /** @var string */
+    private $webRoot;
+
+    /**
+     * @param string $webRoot
+     * @param \OC\Config $config
+     */
+    public function __construct($webRoot, \OC\Config $config) {
+        parent::__construct();
+        $this->webRoot = $webRoot;
+
+        // To find out if we are running from CLI or not
+        $this->registerParameter('isCLI', \OC::$CLI);
+        $this->registerParameter('serverRoot', \OC::$SERVERROOT);
+
+        $this->registerService(ContainerInterface::class, function (ContainerInterface $c) {
+            return $c;
+        });
+        $this->registerService(\OCP\IServerContainer::class, function (ContainerInterface $c) {
+            return $c;
+        });
+
+        $this->registerAlias(\OCP\Calendar\IManager::class, \OC\Calendar\Manager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CalendarManager', \OC\Calendar\Manager::class);
+
+        $this->registerAlias(\OCP\Calendar\Resource\IManager::class, \OC\Calendar\Resource\Manager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CalendarResourceBackendManager', \OC\Calendar\Resource\Manager::class);
+
+        $this->registerAlias(\OCP\Calendar\Room\IManager::class, \OC\Calendar\Room\Manager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CalendarRoomBackendManager', \OC\Calendar\Room\Manager::class);
+
+        $this->registerAlias(\OCP\Contacts\IManager::class, \OC\ContactsManager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('ContactsManager', \OCP\Contacts\IManager::class);
+
+        $this->registerAlias(\OCP\DirectEditing\IManager::class, \OC\DirectEditing\Manager::class);
+        $this->registerAlias(ITemplateManager::class, TemplateManager::class);
+
+        $this->registerAlias(IActionFactory::class, ActionFactory::class);
+
+        $this->registerService(View::class, function (Server $c) {
+            return new View();
+        }, false);
+
+        $this->registerService(IPreview::class, function (ContainerInterface $c) {
+            return new PreviewManager(
+                $c->get(\OCP\IConfig::class),
+                $c->get(IRootFolder::class),
+                new \OC\Preview\Storage\Root(
+                    $c->get(IRootFolder::class),
+                    $c->get(SystemConfig::class)
+                ),
+                $c->get(IEventDispatcher::class),
+                $c->get(SymfonyAdapter::class),
+                $c->get(GeneratorHelper::class),
+                $c->get(ISession::class)->get('user_id'),
+                $c->get(Coordinator::class),
+                $c->get(IServerContainer::class),
+                $c->get(IBinaryFinder::class)
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('PreviewManager', IPreview::class);
+
+        $this->registerService(\OC\Preview\Watcher::class, function (ContainerInterface $c) {
+            return new \OC\Preview\Watcher(
+                new \OC\Preview\Storage\Root(
+                    $c->get(IRootFolder::class),
+                    $c->get(SystemConfig::class)
+                )
+            );
+        });
+
+        $this->registerService(IProfiler::class, function (Server $c) {
+            return new Profiler($c->get(SystemConfig::class));
+        });
+
+        $this->registerService(\OCP\Encryption\IManager::class, function (Server $c): Encryption\Manager {
+            $view = new View();
+            $util = new Encryption\Util(
+                $view,
+                $c->get(IUserManager::class),
+                $c->get(IGroupManager::class),
+                $c->get(\OCP\IConfig::class)
+            );
+            return new Encryption\Manager(
+                $c->get(\OCP\IConfig::class),
+                $c->get(LoggerInterface::class),
+                $c->getL10N('core'),
+                new View(),
+                $util,
+                new ArrayCache()
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('EncryptionManager', \OCP\Encryption\IManager::class);
+
+        /** @deprecated 21.0.0 */
+        $this->registerDeprecatedAlias('EncryptionFileHelper', IFile::class);
+        $this->registerService(IFile::class, function (ContainerInterface $c) {
+            $util = new Encryption\Util(
+                new View(),
+                $c->get(IUserManager::class),
+                $c->get(IGroupManager::class),
+                $c->get(\OCP\IConfig::class)
+            );
+            return new Encryption\File(
+                $util,
+                $c->get(IRootFolder::class),
+                $c->get(\OCP\Share\IManager::class)
+            );
+        });
+
+        /** @deprecated 21.0.0 */
+        $this->registerDeprecatedAlias('EncryptionKeyStorage', IStorage::class);
+        $this->registerService(IStorage::class, function (ContainerInterface $c) {
+            $view = new View();
+            $util = new Encryption\Util(
+                $view,
+                $c->get(IUserManager::class),
+                $c->get(IGroupManager::class),
+                $c->get(\OCP\IConfig::class)
+            );
+
+            return new Encryption\Keys\Storage(
+                $view,
+                $util,
+                $c->get(ICrypto::class),
+                $c->get(\OCP\IConfig::class)
+            );
+        });
+        /** @deprecated 20.0.0 */
+        $this->registerDeprecatedAlias('TagMapper', TagMapper::class);
+
+        $this->registerAlias(\OCP\ITagManager::class, TagManager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('TagManager', \OCP\ITagManager::class);
+
+        $this->registerService('SystemTagManagerFactory', function (ContainerInterface $c) {
+            /** @var \OCP\IConfig $config */
+            $config = $c->get(\OCP\IConfig::class);
+            $factoryClass = $config->getSystemValue('systemtags.managerFactory', SystemTagManagerFactory::class);
+            return new $factoryClass($this);
+        });
+        $this->registerService(ISystemTagManager::class, function (ContainerInterface $c) {
+            return $c->get('SystemTagManagerFactory')->getManager();
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('SystemTagManager', ISystemTagManager::class);
+
+        $this->registerService(ISystemTagObjectMapper::class, function (ContainerInterface $c) {
+            return $c->get('SystemTagManagerFactory')->getObjectMapper();
+        });
+        $this->registerService('RootFolder', function (ContainerInterface $c) {
+            $manager = \OC\Files\Filesystem::getMountManager(null);
+            $view = new View();
+            $root = new Root(
+                $manager,
+                $view,
+                null,
+                $c->get(IUserMountCache::class),
+                $this->get(LoggerInterface::class),
+                $this->get(IUserManager::class),
+                $this->get(IEventDispatcher::class),
+            );
+
+            $previewConnector = new \OC\Preview\WatcherConnector(
+                $root,
+                $c->get(SystemConfig::class)
+            );
+            $previewConnector->connectWatcher();
+
+            return $root;
+        });
+        $this->registerService(HookConnector::class, function (ContainerInterface $c) {
+            return new HookConnector(
+                $c->get(IRootFolder::class),
+                new View(),
+                $c->get(\OC\EventDispatcher\SymfonyAdapter::class),
+                $c->get(IEventDispatcher::class)
+            );
+        });
+
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('SystemTagObjectMapper', ISystemTagObjectMapper::class);
+
+        $this->registerService(IRootFolder::class, function (ContainerInterface $c) {
+            return new LazyRoot(function () use ($c) {
+                return $c->get('RootFolder');
+            });
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('LazyRootFolder', IRootFolder::class);
+
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('UserManager', \OC\User\Manager::class);
+        $this->registerAlias(\OCP\IUserManager::class, \OC\User\Manager::class);
+
+        $this->registerService(DisplayNameCache::class, function (ContainerInterface $c) {
+            return $c->get(\OC\User\Manager::class)->getDisplayNameCache();
+        });
+
+        $this->registerService(\OCP\IGroupManager::class, function (ContainerInterface $c) {
+            $groupManager = new \OC\Group\Manager(
+                $this->get(IUserManager::class),
+                $c->get(SymfonyAdapter::class),
+                $this->get(LoggerInterface::class)
+            );
+            $groupManager->listen('\OC\Group', 'preCreate', function ($gid) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeGroupCreatedEvent($gid));
+            });
+            $groupManager->listen('\OC\Group', 'postCreate', function (\OC\Group\Group $group) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new GroupCreatedEvent($group));
+            });
+            $groupManager->listen('\OC\Group', 'preDelete', function (\OC\Group\Group $group) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeGroupDeletedEvent($group));
+            });
+            $groupManager->listen('\OC\Group', 'postDelete', function (\OC\Group\Group $group) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new GroupDeletedEvent($group));
+            });
+            $groupManager->listen('\OC\Group', 'preAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserAddedEvent($group, $user));
+            });
+            $groupManager->listen('\OC\Group', 'postAddUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserAddedEvent($group, $user));
+            });
+            $groupManager->listen('\OC\Group', 'preRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserRemovedEvent($group, $user));
+            });
+            $groupManager->listen('\OC\Group', 'postRemoveUser', function (\OC\Group\Group $group, \OC\User\User $user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserRemovedEvent($group, $user));
+            });
+            return $groupManager;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('GroupManager', \OCP\IGroupManager::class);
+
+        $this->registerService(Store::class, function (ContainerInterface $c) {
+            $session = $c->get(ISession::class);
+            if (\OC::$server->get(SystemConfig::class)->getValue('installed', false)) {
+                $tokenProvider = $c->get(IProvider::class);
+            } else {
+                $tokenProvider = null;
+            }
+            $logger = $c->get(LoggerInterface::class);
+            return new Store($session, $logger, $tokenProvider);
+        });
+        $this->registerAlias(IStore::class, Store::class);
+        $this->registerAlias(IProvider::class, Authentication\Token\Manager::class);
+
+        $this->registerService(\OC\User\Session::class, function (Server $c) {
+            $manager = $c->get(IUserManager::class);
+            $session = new \OC\Session\Memory('');
+            $timeFactory = new TimeFactory();
+            // Token providers might require a working database. This code
+            // might however be called when Nextcloud is not yet setup.
+            if (\OC::$server->get(SystemConfig::class)->getValue('installed', false)) {
+                $provider = $c->get(IProvider::class);
+            } else {
+                $provider = null;
+            }
+
+            $legacyDispatcher = $c->get(SymfonyAdapter::class);
+
+            $userSession = new \OC\User\Session(
+                $manager,
+                $session,
+                $timeFactory,
+                $provider,
+                $c->get(\OCP\IConfig::class),
+                $c->get(ISecureRandom::class),
+                $c->getLockdownManager(),
+                $c->get(LoggerInterface::class),
+                $c->get(IEventDispatcher::class)
+            );
+            /** @deprecated 21.0.0 use BeforeUserCreatedEvent event with the IEventDispatcher instead */
+            $userSession->listen('\OC\User', 'preCreateUser', function ($uid, $password) {
+                \OC_Hook::emit('OC_User', 'pre_createUser', ['run' => true, 'uid' => $uid, 'password' => $password]);
+            });
+            /** @deprecated 21.0.0 use UserCreatedEvent event with the IEventDispatcher instead */
+            $userSession->listen('\OC\User', 'postCreateUser', function ($user, $password) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'post_createUser', ['uid' => $user->getUID(), 'password' => $password]);
+            });
+            /** @deprecated 21.0.0 use BeforeUserDeletedEvent event with the IEventDispatcher instead */
+            $userSession->listen('\OC\User', 'preDelete', function ($user) use ($legacyDispatcher) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'pre_deleteUser', ['run' => true, 'uid' => $user->getUID()]);
+                $legacyDispatcher->dispatch('OCP\IUser::preDelete', new GenericEvent($user));
+            });
+            /** @deprecated 21.0.0 use UserDeletedEvent event with the IEventDispatcher instead */
+            $userSession->listen('\OC\User', 'postDelete', function ($user) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'post_deleteUser', ['uid' => $user->getUID()]);
+            });
+            $userSession->listen('\OC\User', 'preSetPassword', function ($user, $password, $recoveryPassword) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'pre_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforePasswordUpdatedEvent($user, $password, $recoveryPassword));
+            });
+            $userSession->listen('\OC\User', 'postSetPassword', function ($user, $password, $recoveryPassword) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'post_setPassword', ['run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new PasswordUpdatedEvent($user, $password, $recoveryPassword));
+            });
+            $userSession->listen('\OC\User', 'preLogin', function ($uid, $password) {
+                \OC_Hook::emit('OC_User', 'pre_login', ['run' => true, 'uid' => $uid, 'password' => $password]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserLoggedInEvent($uid, $password));
+            });
+            $userSession->listen('\OC\User', 'postLogin', function ($user, $loginName, $password, $isTokenLogin) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'loginName' => $loginName, 'password' => $password, 'isTokenLogin' => $isTokenLogin]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserLoggedInEvent($user, $loginName, $password, $isTokenLogin));
+            });
+            $userSession->listen('\OC\User', 'preRememberedLogin', function ($uid) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserLoggedInWithCookieEvent($uid));
+            });
+            $userSession->listen('\OC\User', 'postRememberedLogin', function ($user, $password) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'post_login', ['run' => true, 'uid' => $user->getUID(), 'password' => $password]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserLoggedInWithCookieEvent($user, $password));
+            });
+            $userSession->listen('\OC\User', 'logout', function ($user) {
+                \OC_Hook::emit('OC_User', 'logout', []);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new BeforeUserLoggedOutEvent($user));
+            });
+            $userSession->listen('\OC\User', 'postLogout', function ($user) {
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserLoggedOutEvent($user));
+            });
+            $userSession->listen('\OC\User', 'changeUser', function ($user, $feature, $value, $oldValue) {
+                /** @var \OC\User\User $user */
+                \OC_Hook::emit('OC_User', 'changeUser', ['run' => true, 'user' => $user, 'feature' => $feature, 'value' => $value, 'old_value' => $oldValue]);
+
+                /** @var IEventDispatcher $dispatcher */
+                $dispatcher = $this->get(IEventDispatcher::class);
+                $dispatcher->dispatchTyped(new UserChangedEvent($user, $feature, $value, $oldValue));
+            });
+            return $userSession;
+        });
+        $this->registerAlias(\OCP\IUserSession::class, \OC\User\Session::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('UserSession', \OC\User\Session::class);
+
+        $this->registerAlias(\OCP\Authentication\TwoFactorAuth\IRegistry::class, \OC\Authentication\TwoFactorAuth\Registry::class);
+
+        $this->registerAlias(INavigationManager::class, \OC\NavigationManager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('NavigationManager', INavigationManager::class);
+
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('AllConfig', \OC\AllConfig::class);
+        $this->registerAlias(\OCP\IConfig::class, \OC\AllConfig::class);
+
+        $this->registerService(\OC\SystemConfig::class, function ($c) use ($config) {
+            return new \OC\SystemConfig($config);
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('SystemConfig', \OC\SystemConfig::class);
+
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('AppConfig', \OC\AppConfig::class);
+        $this->registerAlias(IAppConfig::class, \OC\AppConfig::class);
+
+        $this->registerService(IFactory::class, function (Server $c) {
+            return new \OC\L10N\Factory(
+                $c->get(\OCP\IConfig::class),
+                $c->getRequest(),
+                $c->get(IUserSession::class),
+                \OC::$SERVERROOT
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('L10NFactory', IFactory::class);
+
+        $this->registerAlias(IURLGenerator::class, URLGenerator::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('URLGenerator', IURLGenerator::class);
+
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('AppFetcher', AppFetcher::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CategoryFetcher', CategoryFetcher::class);
+
+        $this->registerService(ICache::class, function ($c) {
+            return new Cache\File();
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('UserCache', ICache::class);
+
+        $this->registerService(Factory::class, function (Server $c) {
+            $profiler = $c->get(IProfiler::class);
+            $arrayCacheFactory = new \OC\Memcache\Factory('', $c->get(LoggerInterface::class),
+                $profiler,
+                ArrayCache::class,
+                ArrayCache::class,
+                ArrayCache::class
+            );
+            /** @var \OCP\IConfig $config */
+            $config = $c->get(\OCP\IConfig::class);
+
+            if ($config->getSystemValue('installed', false) && !(defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
+                if (!$config->getSystemValueBool('log_query')) {
+                    $v = \OC_App::getAppVersions();
+                } else {
+                    // If the log_query is enabled, we can not get the app versions
+                    // as that does a query, which will be logged and the logging
+                    // depends on redis and here we are back again in the same function.
+                    $v = [
+                        'log_query' => 'enabled',
+                    ];
+                }
+                $v['core'] = implode(',', \OC_Util::getVersion());
+                $version = implode(',', $v);
+                $instanceId = \OC_Util::getInstanceId();
+                $path = \OC::$SERVERROOT;
+                $prefix = md5($instanceId . '-' . $version . '-' . $path);
+                return new \OC\Memcache\Factory($prefix,
+                    $c->get(LoggerInterface::class),
+                    $profiler,
+                    $config->getSystemValue('memcache.local', null),
+                    $config->getSystemValue('memcache.distributed', null),
+                    $config->getSystemValue('memcache.locking', null),
+                    $config->getSystemValueString('redis_log_file')
+                );
+            }
+            return $arrayCacheFactory;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('MemCacheFactory', Factory::class);
+        $this->registerAlias(ICacheFactory::class, Factory::class);
+
+        $this->registerService('RedisFactory', function (Server $c) {
+            $systemConfig = $c->get(SystemConfig::class);
+            return new RedisFactory($systemConfig, $c->getEventLogger());
+        });
+
+        $this->registerService(\OCP\Activity\IManager::class, function (Server $c) {
+            $l10n = $this->get(IFactory::class)->get('lib');
+            return new \OC\Activity\Manager(
+                $c->getRequest(),
+                $c->get(IUserSession::class),
+                $c->get(\OCP\IConfig::class),
+                $c->get(IValidator::class),
+                $l10n
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('ActivityManager', \OCP\Activity\IManager::class);
+
+        $this->registerService(\OCP\Activity\IEventMerger::class, function (Server $c) {
+            return new \OC\Activity\EventMerger(
+                $c->getL10N('lib')
+            );
+        });
+        $this->registerAlias(IValidator::class, Validator::class);
+
+        $this->registerService(AvatarManager::class, function (Server $c) {
+            return new AvatarManager(
+                $c->get(IUserSession::class),
+                $c->get(\OC\User\Manager::class),
+                $c->getAppDataDir('avatar'),
+                $c->getL10N('lib'),
+                $c->get(LoggerInterface::class),
+                $c->get(\OCP\IConfig::class),
+                $c->get(IAccountManager::class),
+                $c->get(KnownUserService::class)
+            );
+        });
+
+        $this->registerAlias(IAvatarManager::class, AvatarManager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('AvatarManager', AvatarManager::class);
+
+        $this->registerAlias(\OCP\Support\CrashReport\IRegistry::class, \OC\Support\CrashReport\Registry::class);
+        $this->registerAlias(\OCP\Support\Subscription\IRegistry::class, \OC\Support\Subscription\Registry::class);
+        $this->registerAlias(\OCP\Support\Subscription\IAssertion::class, \OC\Support\Subscription\Assertion::class);
+
+        $this->registerService(\OC\Log::class, function (Server $c) {
+            $logType = $c->get(AllConfig::class)->getSystemValue('log_type', 'file');
+            $factory = new LogFactory($c, $this->get(SystemConfig::class));
+            $logger = $factory->get($logType);
+            $registry = $c->get(\OCP\Support\CrashReport\IRegistry::class);
+
+            return new Log($logger, $this->get(SystemConfig::class), null, $registry);
+        });
+        $this->registerAlias(ILogger::class, \OC\Log::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Logger', \OC\Log::class);
+        // PSR-3 logger
+        $this->registerAlias(LoggerInterface::class, PsrLoggerAdapter::class);
+
+        $this->registerService(ILogFactory::class, function (Server $c) {
+            return new LogFactory($c, $this->get(SystemConfig::class));
+        });
+
+        $this->registerAlias(IJobList::class, \OC\BackgroundJob\JobList::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('JobList', IJobList::class);
+
+        $this->registerService(Router::class, function (Server $c) {
+            $cacheFactory = $c->get(ICacheFactory::class);
+            $logger = $c->get(LoggerInterface::class);
+            if ($cacheFactory->isLocalCacheAvailable()) {
+                $router = new \OC\Route\CachingRouter($cacheFactory->createLocal('route'), $logger);
+            } else {
+                $router = new \OC\Route\Router($logger);
+            }
+            return $router;
+        });
+        $this->registerAlias(IRouter::class, Router::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Router', IRouter::class);
+
+        $this->registerAlias(ISearch::class, Search::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Search', ISearch::class);
+
+        $this->registerService(\OC\Security\RateLimiting\Backend\IBackend::class, function ($c) {
+            $cacheFactory = $c->get(ICacheFactory::class);
+            if ($cacheFactory->isAvailable()) {
+                $backend = new \OC\Security\RateLimiting\Backend\MemoryCacheBackend(
+                    $this->get(ICacheFactory::class),
+                    new \OC\AppFramework\Utility\TimeFactory()
+                );
+            } else {
+                $backend = new \OC\Security\RateLimiting\Backend\DatabaseBackend(
+                    $c->get(IDBConnection::class),
+                    new \OC\AppFramework\Utility\TimeFactory()
+                );
+            }
+
+            return $backend;
+        });
+
+        $this->registerAlias(\OCP\Security\ISecureRandom::class, SecureRandom::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('SecureRandom', \OCP\Security\ISecureRandom::class);
+
+        $this->registerAlias(IVerificationToken::class, VerificationToken::class);
+
+        $this->registerAlias(ICrypto::class, Crypto::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Crypto', ICrypto::class);
+
+        $this->registerAlias(IHasher::class, Hasher::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Hasher', IHasher::class);
+
+        $this->registerAlias(ICredentialsManager::class, CredentialsManager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CredentialsManager', ICredentialsManager::class);
+
+        $this->registerAlias(IDBConnection::class, ConnectionAdapter::class);
+        $this->registerService(Connection::class, function (Server $c) {
+            $systemConfig = $c->get(SystemConfig::class);
+            $factory = new \OC\DB\ConnectionFactory($systemConfig);
+            $type = $systemConfig->getValue('dbtype', 'sqlite');
+            if (!$factory->isValidType($type)) {
+                throw new \OC\DatabaseException('Invalid database type');
+            }
+            $connectionParams = $factory->createConnectionParams();
+            $connection = $factory->getConnection($type, $connectionParams);
+            return $connection;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('DatabaseConnection', IDBConnection::class);
+
+        $this->registerAlias(ICertificateManager::class, CertificateManager::class);
+        $this->registerAlias(IClientService::class, ClientService::class);
+        $this->registerService(LocalAddressChecker::class, function (ContainerInterface $c) {
+            return new LocalAddressChecker(
+                $c->get(LoggerInterface::class),
+            );
+        });
+        $this->registerService(NegativeDnsCache::class, function (ContainerInterface $c) {
+            return new NegativeDnsCache(
+                $c->get(ICacheFactory::class),
+            );
+        });
+        $this->registerService(DnsPinMiddleware::class, function (ContainerInterface $c) {
+            return new DnsPinMiddleware(
+                $c->get(NegativeDnsCache::class),
+                $c->get(LocalAddressChecker::class)
+            );
+        });
+        $this->registerDeprecatedAlias('HttpClientService', IClientService::class);
+        $this->registerService(IEventLogger::class, function (ContainerInterface $c) {
+            return new EventLogger($c->get(SystemConfig::class), $c->get(LoggerInterface::class), $c->get(Log::class));
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('EventLogger', IEventLogger::class);
+
+        $this->registerService(IQueryLogger::class, function (ContainerInterface $c) {
+            $queryLogger = new QueryLogger();
+            if ($c->get(SystemConfig::class)->getValue('debug', false)) {
+                // In debug mode, module is being activated by default
+                $queryLogger->activate();
+            }
+            return $queryLogger;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('QueryLogger', IQueryLogger::class);
+
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('TempManager', TempManager::class);
+        $this->registerAlias(ITempManager::class, TempManager::class);
+
+        $this->registerService(AppManager::class, function (ContainerInterface $c) {
+            // TODO: use auto-wiring
+            return new \OC\App\AppManager(
+                $c->get(IUserSession::class),
+                $c->get(\OCP\IConfig::class),
+                $c->get(\OC\AppConfig::class),
+                $c->get(IGroupManager::class),
+                $c->get(ICacheFactory::class),
+                $c->get(SymfonyAdapter::class),
+                $c->get(LoggerInterface::class)
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('AppManager', AppManager::class);
+        $this->registerAlias(IAppManager::class, AppManager::class);
+
+        $this->registerAlias(IDateTimeZone::class, DateTimeZone::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('DateTimeZone', IDateTimeZone::class);
+
+        $this->registerService(IDateTimeFormatter::class, function (Server $c) {
+            $language = $c->get(\OCP\IConfig::class)->getUserValue($c->get(ISession::class)->get('user_id'), 'core', 'lang', null);
+
+            return new DateTimeFormatter(
+                $c->get(IDateTimeZone::class)->getTimeZone(),
+                $c->getL10N('lib', $language)
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('DateTimeFormatter', IDateTimeFormatter::class);
+
+        $this->registerService(IUserMountCache::class, function (ContainerInterface $c) {
+            $mountCache = new UserMountCache(
+                $c->get(IDBConnection::class),
+                $c->get(IUserManager::class),
+                $c->get(LoggerInterface::class)
+            );
+            $listener = new UserMountCacheListener($mountCache);
+            $listener->listen($c->get(IUserManager::class));
+            return $mountCache;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('UserMountCache', IUserMountCache::class);
+
+        $this->registerService(IMountProviderCollection::class, function (ContainerInterface $c) {
+            $loader = \OC\Files\Filesystem::getLoader();
+            $mountCache = $c->get(IUserMountCache::class);
+            $manager = new \OC\Files\Config\MountProviderCollection($loader, $mountCache);
+
+            // builtin providers
+
+            $config = $c->get(\OCP\IConfig::class);
+            $logger = $c->get(LoggerInterface::class);
+            $manager->registerProvider(new CacheMountProvider($config));
+            $manager->registerHomeProvider(new LocalHomeMountProvider());
+            $manager->registerHomeProvider(new ObjectHomeMountProvider($config));
+            $manager->registerRootProvider(new RootMountProvider($config, $c->get(LoggerInterface::class)));
+            $manager->registerRootProvider(new ObjectStorePreviewCacheMountProvider($logger, $config));
+
+            return $manager;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('MountConfigManager', IMountProviderCollection::class);
+
+        /** @deprecated 20.0.0 */
+        $this->registerDeprecatedAlias('IniWrapper', IniGetWrapper::class);
+        $this->registerService(IBus::class, function (ContainerInterface $c) {
+            $busClass = $c->get(\OCP\IConfig::class)->getSystemValue('commandbus');
+            if ($busClass) {
+                [$app, $class] = explode('::', $busClass, 2);
+                if ($c->get(IAppManager::class)->isInstalled($app)) {
+                    \OC_App::loadApp($app);
+                    return $c->get($class);
+                } else {
+                    throw new ServiceUnavailableException("The app providing the command bus ($app) is not enabled");
+                }
+            } else {
+                $jobList = $c->get(IJobList::class);
+                return new CronBus($jobList);
+            }
+        });
+        $this->registerDeprecatedAlias('AsyncCommandBus', IBus::class);
+        /** @deprecated 20.0.0 */
+        $this->registerDeprecatedAlias('TrustedDomainHelper', TrustedDomainHelper::class);
+        $this->registerAlias(ITrustedDomainHelper::class, TrustedDomainHelper::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Throttler', Throttler::class);
+        $this->registerAlias(IThrottler::class, Throttler::class);
+        $this->registerService('IntegrityCodeChecker', function (ContainerInterface $c) {
+            // IConfig and IAppManager requires a working database. This code
+            // might however be called when ownCloud is not yet setup.
+            if (\OC::$server->get(SystemConfig::class)->getValue('installed', false)) {
+                $config = $c->get(\OCP\IConfig::class);
+                $appManager = $c->get(IAppManager::class);
+            } else {
+                $config = null;
+                $appManager = null;
+            }
+
+            return new Checker(
+                new EnvironmentHelper(),
+                new FileAccessHelper(),
+                new AppLocator(),
+                $config,
+                $c->get(ICacheFactory::class),
+                $appManager,
+                $c->get(IMimeTypeDetector::class)
+            );
+        });
+        $this->registerService(\OCP\IRequest::class, function (ContainerInterface $c) {
+            if (isset($this['urlParams'])) {
+                $urlParams = $this['urlParams'];
+            } else {
+                $urlParams = [];
+            }
+
+            if (defined('PHPUNIT_RUN') && PHPUNIT_RUN
+                && in_array('fakeinput', stream_get_wrappers())
+            ) {
+                $stream = 'fakeinput://data';
+            } else {
+                $stream = 'php://input';
+            }
+
+            return new Request(
+                [
+                    'get' => $_GET,
+                    'post' => $_POST,
+                    'files' => $_FILES,
+                    'server' => $_SERVER,
+                    'env' => $_ENV,
+                    'cookies' => $_COOKIE,
+                    'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
+                        ? $_SERVER['REQUEST_METHOD']
+                        : '',
+                    'urlParams' => $urlParams,
+                ],
+                $this->get(IRequestId::class),
+                $this->get(\OCP\IConfig::class),
+                $this->get(CsrfTokenManager::class),
+                $stream
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Request', \OCP\IRequest::class);
+
+        $this->registerService(IRequestId::class, function (ContainerInterface $c): IRequestId {
+            return new RequestId(
+                $_SERVER['UNIQUE_ID'] ?? '',
+                $this->get(ISecureRandom::class)
+            );
+        });
+
+        $this->registerService(IMailer::class, function (Server $c) {
+            return new Mailer(
+                $c->get(\OCP\IConfig::class),
+                $c->get(LoggerInterface::class),
+                $c->get(Defaults::class),
+                $c->get(IURLGenerator::class),
+                $c->getL10N('lib'),
+                $c->get(IEventDispatcher::class),
+                $c->get(IFactory::class)
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Mailer', IMailer::class);
+
+        /** @deprecated 21.0.0 */
+        $this->registerDeprecatedAlias('LDAPProvider', ILDAPProvider::class);
+
+        $this->registerService(ILDAPProviderFactory::class, function (ContainerInterface $c) {
+            $config = $c->get(\OCP\IConfig::class);
+            $factoryClass = $config->getSystemValue('ldapProviderFactory', null);
+            if (is_null($factoryClass) || !class_exists($factoryClass)) {
+                return new NullLDAPProviderFactory($this);
+            }
+            /** @var \OCP\LDAP\ILDAPProviderFactory $factory */
+            return new $factoryClass($this);
+        });
+        $this->registerService(ILDAPProvider::class, function (ContainerInterface $c) {
+            $factory = $c->get(ILDAPProviderFactory::class);
+            return $factory->getLDAPProvider();
+        });
+        $this->registerService(ILockingProvider::class, function (ContainerInterface $c) {
+            $ini = $c->get(IniGetWrapper::class);
+            $config = $c->get(\OCP\IConfig::class);
+            $ttl = $config->getSystemValue('filelocking.ttl', max(3600, $ini->getNumeric('max_execution_time')));
+            if ($config->getSystemValue('filelocking.enabled', true) or (defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
+                /** @var \OC\Memcache\Factory $memcacheFactory */
+                $memcacheFactory = $c->get(ICacheFactory::class);
+                $memcache = $memcacheFactory->createLocking('lock');
+                if (!($memcache instanceof \OC\Memcache\NullCache)) {
+                    return new MemcacheLockingProvider($memcache, $ttl);
+                }
+                return new DBLockingProvider(
+                    $c->get(IDBConnection::class),
+                    new TimeFactory(),
+                    $ttl,
+                    !\OC::$CLI
+                );
+            }
+            return new NoopLockingProvider();
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('LockingProvider', ILockingProvider::class);
+
+        $this->registerService(ILockManager::class, function (Server $c): LockManager {
+            return new LockManager();
+        });
+
+        $this->registerAlias(ILockdownManager::class, 'LockdownManager');
+        $this->registerService(SetupManager::class, function ($c) {
+            // create the setupmanager through the mount manager to resolve the cyclic dependency
+            return $c->get(\OC\Files\Mount\Manager::class)->getSetupManager();
+        });
+        $this->registerAlias(IMountManager::class, \OC\Files\Mount\Manager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('MountManager', IMountManager::class);
+
+        $this->registerService(IMimeTypeDetector::class, function (ContainerInterface $c) {
+            return new \OC\Files\Type\Detection(
+                $c->get(IURLGenerator::class),
+                $c->get(LoggerInterface::class),
+                \OC::$configDir,
+                \OC::$SERVERROOT . '/resources/config/'
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('MimeTypeDetector', IMimeTypeDetector::class);
+
+        $this->registerAlias(IMimeTypeLoader::class, Loader::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('MimeTypeLoader', IMimeTypeLoader::class);
+        $this->registerService(BundleFetcher::class, function () {
+            return new BundleFetcher($this->getL10N('lib'));
+        });
+        $this->registerAlias(\OCP\Notification\IManager::class, Manager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('NotificationManager', \OCP\Notification\IManager::class);
+
+        $this->registerService(CapabilitiesManager::class, function (ContainerInterface $c) {
+            $manager = new CapabilitiesManager($c->get(LoggerInterface::class));
+            $manager->registerCapability(function () use ($c) {
+                return new \OC\OCS\CoreCapabilities($c->get(\OCP\IConfig::class));
+            });
+            $manager->registerCapability(function () use ($c) {
+                return $c->get(\OC\Security\Bruteforce\Capabilities::class);
+            });
+            $manager->registerCapability(function () use ($c) {
+                return $c->get(MetadataCapabilities::class);
+            });
+            return $manager;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CapabilitiesManager', CapabilitiesManager::class);
+
+        $this->registerService(ICommentsManager::class, function (Server $c) {
+            $config = $c->get(\OCP\IConfig::class);
+            $factoryClass = $config->getSystemValue('comments.managerFactory', CommentsManagerFactory::class);
+            /** @var \OCP\Comments\ICommentsManagerFactory $factory */
+            $factory = new $factoryClass($this);
+            $manager = $factory->getManager();
+
+            $manager->registerDisplayNameResolver('user', function ($id) use ($c) {
+                $manager = $c->get(IUserManager::class);
+                $userDisplayName = $manager->getDisplayName($id);
+                if ($userDisplayName === null) {
+                    $l = $c->get(IFactory::class)->get('core');
+                    return $l->t('Unknown user');
+                }
+                return $userDisplayName;
+            });
+
+            return $manager;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CommentsManager', ICommentsManager::class);
+
+        $this->registerAlias(\OC_Defaults::class, 'ThemingDefaults');
+        $this->registerService('ThemingDefaults', function (Server $c) {
+            /*
 			 * Dark magic for autoloader.
 			 * If we do a class_exists it will try to load the class which will
 			 * make composer cache the result. Resulting in errors when enabling
 			 * the theming app.
 			 */
-			$prefixes = \OC::$composerAutoloader->getPrefixesPsr4();
-			if (isset($prefixes['OCA\\Theming\\'])) {
-				$classExists = true;
-			} else {
-				$classExists = false;
-			}
-
-			if ($classExists && $c->get(\OCP\IConfig::class)->getSystemValue('installed', false) && $c->get(IAppManager::class)->isInstalled('theming') && $c->getTrustedDomainHelper()->isTrustedDomain($c->getRequest()->getInsecureServerHost())) {
-				return new ThemingDefaults(
-					$c->get(\OCP\IConfig::class),
-					$c->getL10N('theming'),
-					$c->get(IUserSession::class),
-					$c->get(IURLGenerator::class),
-					$c->get(ICacheFactory::class),
-					new Util($c->get(\OCP\IConfig::class), $this->get(IAppManager::class), $c->getAppDataDir('theming')),
-					new ImageManager(
-						$c->get(\OCP\IConfig::class),
-						$c->getAppDataDir('theming'),
-						$c->get(IURLGenerator::class),
-						$this->get(ICacheFactory::class),
-						$this->get(ILogger::class),
-						$this->get(ITempManager::class)
-					),
-					$c->get(IAppManager::class),
-					$c->get(INavigationManager::class)
-				);
-			}
-			return new \OC_Defaults();
-		});
-		$this->registerService(JSCombiner::class, function (Server $c) {
-			return new JSCombiner(
-				$c->getAppDataDir('js'),
-				$c->get(IURLGenerator::class),
-				$this->get(ICacheFactory::class),
-				$c->get(SystemConfig::class),
-				$c->get(LoggerInterface::class)
-			);
-		});
-		$this->registerAlias(\OCP\EventDispatcher\IEventDispatcher::class, \OC\EventDispatcher\EventDispatcher::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('EventDispatcher', \OC\EventDispatcher\SymfonyAdapter::class);
-		$this->registerAlias(EventDispatcherInterface::class, \OC\EventDispatcher\SymfonyAdapter::class);
-
-		$this->registerService('CryptoWrapper', function (ContainerInterface $c) {
-			// FIXME: Instantiated here due to cyclic dependency
-			$request = new Request(
-				[
-					'get' => $_GET,
-					'post' => $_POST,
-					'files' => $_FILES,
-					'server' => $_SERVER,
-					'env' => $_ENV,
-					'cookies' => $_COOKIE,
-					'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
-						? $_SERVER['REQUEST_METHOD']
-						: null,
-				],
-				$c->get(IRequestId::class),
-				$c->get(\OCP\IConfig::class)
-			);
-
-			return new CryptoWrapper(
-				$c->get(\OCP\IConfig::class),
-				$c->get(ICrypto::class),
-				$c->get(ISecureRandom::class),
-				$request
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CsrfTokenManager', CsrfTokenManager::class);
-		$this->registerService(SessionStorage::class, function (ContainerInterface $c) {
-			return new SessionStorage($c->get(ISession::class));
-		});
-		$this->registerAlias(\OCP\Security\IContentSecurityPolicyManager::class, ContentSecurityPolicyManager::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('ContentSecurityPolicyManager', ContentSecurityPolicyManager::class);
-
-		$this->registerService(\OCP\Share\IManager::class, function (IServerContainer $c) {
-			$config = $c->get(\OCP\IConfig::class);
-			$factoryClass = $config->getSystemValue('sharing.managerFactory', ProviderFactory::class);
-			/** @var \OCP\Share\IProviderFactory $factory */
-			$factory = new $factoryClass($this);
-
-			$manager = new \OC\Share20\Manager(
-				$c->get(LoggerInterface::class),
-				$c->get(\OCP\IConfig::class),
-				$c->get(ISecureRandom::class),
-				$c->get(IHasher::class),
-				$c->get(IMountManager::class),
-				$c->get(IGroupManager::class),
-				$c->getL10N('lib'),
-				$c->get(IFactory::class),
-				$factory,
-				$c->get(IUserManager::class),
-				$c->get(IRootFolder::class),
-				$c->get(SymfonyAdapter::class),
-				$c->get(IMailer::class),
-				$c->get(IURLGenerator::class),
-				$c->get('ThemingDefaults'),
-				$c->get(IEventDispatcher::class),
-				$c->get(IUserSession::class),
-				$c->get(KnownUserService::class)
-			);
-
-			return $manager;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('ShareManager', \OCP\Share\IManager::class);
-
-		$this->registerService(\OCP\Collaboration\Collaborators\ISearch::class, function (Server $c) {
-			$instance = new Collaboration\Collaborators\Search($c);
-
-			// register default plugins
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_USER', 'class' => UserPlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_GROUP', 'class' => GroupPlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_EMAIL', 'class' => MailPlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE', 'class' => RemotePlugin::class]);
-			$instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE_GROUP', 'class' => RemoteGroupPlugin::class]);
-
-			return $instance;
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('CollaboratorSearch', \OCP\Collaboration\Collaborators\ISearch::class);
-		$this->registerAlias(\OCP\Collaboration\Collaborators\ISearchResult::class, \OC\Collaboration\Collaborators\SearchResult::class);
-
-		$this->registerAlias(\OCP\Collaboration\AutoComplete\IManager::class, \OC\Collaboration\AutoComplete\Manager::class);
-
-		$this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, \OC\Collaboration\Resources\ProviderManager::class);
-		$this->registerAlias(\OCP\Collaboration\Resources\IManager::class, \OC\Collaboration\Resources\Manager::class);
-
-		$this->registerAlias(IReferenceManager::class, ReferenceManager::class);
-
-		$this->registerDeprecatedAlias('SettingsManager', \OC\Settings\Manager::class);
-		$this->registerAlias(\OCP\Settings\IManager::class, \OC\Settings\Manager::class);
-		$this->registerService(\OC\Files\AppData\Factory::class, function (ContainerInterface $c) {
-			return new \OC\Files\AppData\Factory(
-				$c->get(IRootFolder::class),
-				$c->get(SystemConfig::class)
-			);
-		});
-
-		$this->registerService('LockdownManager', function (ContainerInterface $c) {
-			return new LockdownManager(function () use ($c) {
-				return $c->get(ISession::class);
-			});
-		});
-
-		$this->registerService(\OCP\OCS\IDiscoveryService::class, function (ContainerInterface $c) {
-			return new DiscoveryService(
-				$c->get(ICacheFactory::class),
-				$c->get(IClientService::class)
-			);
-		});
-
-		$this->registerService(ICloudIdManager::class, function (ContainerInterface $c) {
-			return new CloudIdManager(
-				$c->get(\OCP\Contacts\IManager::class),
-				$c->get(IURLGenerator::class),
-				$c->get(IUserManager::class),
-				$c->get(ICacheFactory::class),
-				$c->get(IEventDispatcher::class),
-			);
-		});
-
-		$this->registerAlias(\OCP\GlobalScale\IConfig::class, \OC\GlobalScale\Config::class);
-
-		$this->registerService(ICloudFederationProviderManager::class, function (ContainerInterface $c) {
-			return new CloudFederationProviderManager(
-				$c->get(IAppManager::class),
-				$c->get(IClientService::class),
-				$c->get(ICloudIdManager::class),
-				$c->get(LoggerInterface::class)
-			);
-		});
-
-		$this->registerService(ICloudFederationFactory::class, function (Server $c) {
-			return new CloudFederationFactory();
-		});
-
-		$this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
-
-		$this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
-
-		$this->registerService(Defaults::class, function (Server $c) {
-			return new Defaults(
-				$c->getThemingDefaults()
-			);
-		});
-		/** @deprecated 19.0.0 */
-		$this->registerDeprecatedAlias('Defaults', \OCP\Defaults::class);
-
-		$this->registerService(\OCP\ISession::class, function (ContainerInterface $c) {
-			return $c->get(\OCP\IUserSession::class)->getSession();
-		}, false);
-
-		$this->registerService(IShareHelper::class, function (ContainerInterface $c) {
-			return new ShareHelper(
-				$c->get(\OCP\Share\IManager::class)
-			);
-		});
-
-		$this->registerService(Installer::class, function (ContainerInterface $c) {
-			return new Installer(
-				$c->get(AppFetcher::class),
-				$c->get(IClientService::class),
-				$c->get(ITempManager::class),
-				$c->get(LoggerInterface::class),
-				$c->get(\OCP\IConfig::class),
-				\OC::$CLI
-			);
-		});
-
-		$this->registerService(IApiFactory::class, function (ContainerInterface $c) {
-			return new ApiFactory($c->get(IClientService::class));
-		});
-
-		$this->registerService(IInstanceFactory::class, function (ContainerInterface $c) {
-			$memcacheFactory = $c->get(ICacheFactory::class);
-			return new InstanceFactory($memcacheFactory->createLocal('remoteinstance.'), $c->get(IClientService::class));
-		});
-
-		$this->registerAlias(IContactsStore::class, ContactsStore::class);
-		$this->registerAlias(IAccountManager::class, AccountManager::class);
-
-		$this->registerAlias(IStorageFactory::class, StorageFactory::class);
-
-		$this->registerAlias(IDashboardManager::class, DashboardManager::class);
-		$this->registerAlias(\OCP\Dashboard\IManager::class, \OC\Dashboard\Manager::class);
-		$this->registerAlias(IFullTextSearchManager::class, FullTextSearchManager::class);
-
-		$this->registerAlias(ISubAdmin::class, SubAdmin::class);
-
-		$this->registerAlias(IInitialStateService::class, InitialStateService::class);
-
-		$this->registerAlias(\OCP\IEmojiHelper::class, \OC\EmojiHelper::class);
-
-		$this->registerAlias(\OCP\UserStatus\IManager::class, \OC\UserStatus\Manager::class);
-
-		$this->registerAlias(IBroker::class, Broker::class);
-
-		$this->registerAlias(IMetadataManager::class, MetadataManager::class);
-
-		$this->registerAlias(\OCP\Files\AppData\IAppDataFactory::class, \OC\Files\AppData\Factory::class);
-
-		$this->registerAlias(IBinaryFinder::class, BinaryFinder::class);
-
-		$this->connectDispatcher();
-	}
-
-	public function boot() {
-		/** @var HookConnector $hookConnector */
-		$hookConnector = $this->get(HookConnector::class);
-		$hookConnector->viewToNode();
-	}
-
-	/**
-	 * @return \OCP\Calendar\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCalendarManager() {
-		return $this->get(\OC\Calendar\Manager::class);
-	}
-
-	/**
-	 * @return \OCP\Calendar\Resource\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCalendarResourceBackendManager() {
-		return $this->get(\OC\Calendar\Resource\Manager::class);
-	}
-
-	/**
-	 * @return \OCP\Calendar\Room\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCalendarRoomBackendManager() {
-		return $this->get(\OC\Calendar\Room\Manager::class);
-	}
-
-	private function connectDispatcher(): void {
-		/** @var IEventDispatcher $eventDispatcher */
-		$eventDispatcher = $this->get(IEventDispatcher::class);
-		$eventDispatcher->addServiceListener(LoginFailed::class, LoginFailedListener::class);
-		$eventDispatcher->addServiceListener(PostLoginEvent::class, UserLoggedInListener::class);
-		$eventDispatcher->addServiceListener(UserChangedEvent::class, UserChangedListener::class);
-		$eventDispatcher->addServiceListener(BeforeUserDeletedEvent::class, BeforeUserDeletedListener::class);
-	}
-
-	/**
-	 * @return \OCP\Contacts\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getContactsManager() {
-		return $this->get(\OCP\Contacts\IManager::class);
-	}
-
-	/**
-	 * @return \OC\Encryption\Manager
-	 * @deprecated 20.0.0
-	 */
-	public function getEncryptionManager() {
-		return $this->get(\OCP\Encryption\IManager::class);
-	}
-
-	/**
-	 * @return \OC\Encryption\File
-	 * @deprecated 20.0.0
-	 */
-	public function getEncryptionFilesHelper() {
-		return $this->get(IFile::class);
-	}
-
-	/**
-	 * @return \OCP\Encryption\Keys\IStorage
-	 * @deprecated 20.0.0
-	 */
-	public function getEncryptionKeyStorage() {
-		return $this->get(IStorage::class);
-	}
-
-	/**
-	 * The current request object holding all information about the request
-	 * currently being processed is returned from this method.
-	 * In case the current execution was not initiated by a web request null is returned
-	 *
-	 * @return \OCP\IRequest
-	 * @deprecated 20.0.0
-	 */
-	public function getRequest() {
-		return $this->get(IRequest::class);
-	}
-
-	/**
-	 * Returns the preview manager which can create preview images for a given file
-	 *
-	 * @return IPreview
-	 * @deprecated 20.0.0
-	 */
-	public function getPreviewManager() {
-		return $this->get(IPreview::class);
-	}
-
-	/**
-	 * Returns the tag manager which can get and set tags for different object types
-	 *
-	 * @see \OCP\ITagManager::load()
-	 * @return ITagManager
-	 * @deprecated 20.0.0
-	 */
-	public function getTagManager() {
-		return $this->get(ITagManager::class);
-	}
-
-	/**
-	 * Returns the system-tag manager
-	 *
-	 * @return ISystemTagManager
-	 *
-	 * @since 9.0.0
-	 * @deprecated 20.0.0
-	 */
-	public function getSystemTagManager() {
-		return $this->get(ISystemTagManager::class);
-	}
-
-	/**
-	 * Returns the system-tag object mapper
-	 *
-	 * @return ISystemTagObjectMapper
-	 *
-	 * @since 9.0.0
-	 * @deprecated 20.0.0
-	 */
-	public function getSystemTagObjectMapper() {
-		return $this->get(ISystemTagObjectMapper::class);
-	}
-
-	/**
-	 * Returns the avatar manager, used for avatar functionality
-	 *
-	 * @return IAvatarManager
-	 * @deprecated 20.0.0
-	 */
-	public function getAvatarManager() {
-		return $this->get(IAvatarManager::class);
-	}
-
-	/**
-	 * Returns the root folder of ownCloud's data directory
-	 *
-	 * @return IRootFolder
-	 * @deprecated 20.0.0
-	 */
-	public function getRootFolder() {
-		return $this->get(IRootFolder::class);
-	}
-
-	/**
-	 * Returns the root folder of ownCloud's data directory
-	 * This is the lazy variant so this gets only initialized once it
-	 * is actually used.
-	 *
-	 * @return IRootFolder
-	 * @deprecated 20.0.0
-	 */
-	public function getLazyRootFolder() {
-		return $this->get(IRootFolder::class);
-	}
-
-	/**
-	 * Returns a view to ownCloud's files folder
-	 *
-	 * @param string $userId user ID
-	 * @return \OCP\Files\Folder|null
-	 * @deprecated 20.0.0
-	 */
-	public function getUserFolder($userId = null) {
-		if ($userId === null) {
-			$user = $this->get(IUserSession::class)->getUser();
-			if (!$user) {
-				return null;
-			}
-			$userId = $user->getUID();
-		}
-		$root = $this->get(IRootFolder::class);
-		return $root->getUserFolder($userId);
-	}
-
-	/**
-	 * @return \OC\User\Manager
-	 * @deprecated 20.0.0
-	 */
-	public function getUserManager() {
-		return $this->get(IUserManager::class);
-	}
-
-	/**
-	 * @return \OC\Group\Manager
-	 * @deprecated 20.0.0
-	 */
-	public function getGroupManager() {
-		return $this->get(IGroupManager::class);
-	}
-
-	/**
-	 * @return \OC\User\Session
-	 * @deprecated 20.0.0
-	 */
-	public function getUserSession() {
-		return $this->get(IUserSession::class);
-	}
-
-	/**
-	 * @return \OCP\ISession
-	 * @deprecated 20.0.0
-	 */
-	public function getSession() {
-		return $this->get(Session::class)->getSession();
-	}
-
-	/**
-	 * @param \OCP\ISession $session
-	 */
-	public function setSession(\OCP\ISession $session) {
-		$this->get(SessionStorage::class)->setSession($session);
-		$this->get(Session::class)->setSession($session);
-		$this->get(Store::class)->setSession($session);
-	}
-
-	/**
-	 * @return \OC\Authentication\TwoFactorAuth\Manager
-	 * @deprecated 20.0.0
-	 */
-	public function getTwoFactorAuthManager() {
-		return $this->get(\OC\Authentication\TwoFactorAuth\Manager::class);
-	}
-
-	/**
-	 * @return \OC\NavigationManager
-	 * @deprecated 20.0.0
-	 */
-	public function getNavigationManager() {
-		return $this->get(INavigationManager::class);
-	}
-
-	/**
-	 * @return \OCP\IConfig
-	 * @deprecated 20.0.0
-	 */
-	public function getConfig() {
-		return $this->get(AllConfig::class);
-	}
-
-	/**
-	 * @return \OC\SystemConfig
-	 * @deprecated 20.0.0
-	 */
-	public function getSystemConfig() {
-		return $this->get(SystemConfig::class);
-	}
-
-	/**
-	 * Returns the app config manager
-	 *
-	 * @return IAppConfig
-	 * @deprecated 20.0.0
-	 */
-	public function getAppConfig() {
-		return $this->get(IAppConfig::class);
-	}
-
-	/**
-	 * @return IFactory
-	 * @deprecated 20.0.0
-	 */
-	public function getL10NFactory() {
-		return $this->get(IFactory::class);
-	}
-
-	/**
-	 * get an L10N instance
-	 *
-	 * @param string $app appid
-	 * @param string $lang
-	 * @return IL10N
-	 * @deprecated 20.0.0
-	 */
-	public function getL10N($app, $lang = null) {
-		return $this->get(IFactory::class)->get($app, $lang);
-	}
-
-	/**
-	 * @return IURLGenerator
-	 * @deprecated 20.0.0
-	 */
-	public function getURLGenerator() {
-		return $this->get(IURLGenerator::class);
-	}
-
-	/**
-	 * @return AppFetcher
-	 * @deprecated 20.0.0
-	 */
-	public function getAppFetcher() {
-		return $this->get(AppFetcher::class);
-	}
-
-	/**
-	 * Returns an ICache instance. Since 8.1.0 it returns a fake cache. Use
-	 * getMemCacheFactory() instead.
-	 *
-	 * @return ICache
-	 * @deprecated 8.1.0 use getMemCacheFactory to obtain a proper cache
-	 */
-	public function getCache() {
-		return $this->get(ICache::class);
-	}
-
-	/**
-	 * Returns an \OCP\CacheFactory instance
-	 *
-	 * @return \OCP\ICacheFactory
-	 * @deprecated 20.0.0
-	 */
-	public function getMemCacheFactory() {
-		return $this->get(ICacheFactory::class);
-	}
-
-	/**
-	 * Returns an \OC\RedisFactory instance
-	 *
-	 * @return \OC\RedisFactory
-	 * @deprecated 20.0.0
-	 */
-	public function getGetRedisFactory() {
-		return $this->get('RedisFactory');
-	}
-
-
-	/**
-	 * Returns the current session
-	 *
-	 * @return \OCP\IDBConnection
-	 * @deprecated 20.0.0
-	 */
-	public function getDatabaseConnection() {
-		return $this->get(IDBConnection::class);
-	}
-
-	/**
-	 * Returns the activity manager
-	 *
-	 * @return \OCP\Activity\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getActivityManager() {
-		return $this->get(\OCP\Activity\IManager::class);
-	}
-
-	/**
-	 * Returns an job list for controlling background jobs
-	 *
-	 * @return IJobList
-	 * @deprecated 20.0.0
-	 */
-	public function getJobList() {
-		return $this->get(IJobList::class);
-	}
-
-	/**
-	 * Returns a logger instance
-	 *
-	 * @return ILogger
-	 * @deprecated 20.0.0
-	 */
-	public function getLogger() {
-		return $this->get(ILogger::class);
-	}
-
-	/**
-	 * @return ILogFactory
-	 * @throws \OCP\AppFramework\QueryException
-	 * @deprecated 20.0.0
-	 */
-	public function getLogFactory() {
-		return $this->get(ILogFactory::class);
-	}
-
-	/**
-	 * Returns a router for generating and matching urls
-	 *
-	 * @return IRouter
-	 * @deprecated 20.0.0
-	 */
-	public function getRouter() {
-		return $this->get(IRouter::class);
-	}
-
-	/**
-	 * Returns a search instance
-	 *
-	 * @return ISearch
-	 * @deprecated 20.0.0
-	 */
-	public function getSearch() {
-		return $this->get(ISearch::class);
-	}
-
-	/**
-	 * Returns a SecureRandom instance
-	 *
-	 * @return \OCP\Security\ISecureRandom
-	 * @deprecated 20.0.0
-	 */
-	public function getSecureRandom() {
-		return $this->get(ISecureRandom::class);
-	}
-
-	/**
-	 * Returns a Crypto instance
-	 *
-	 * @return ICrypto
-	 * @deprecated 20.0.0
-	 */
-	public function getCrypto() {
-		return $this->get(ICrypto::class);
-	}
-
-	/**
-	 * Returns a Hasher instance
-	 *
-	 * @return IHasher
-	 * @deprecated 20.0.0
-	 */
-	public function getHasher() {
-		return $this->get(IHasher::class);
-	}
-
-	/**
-	 * Returns a CredentialsManager instance
-	 *
-	 * @return ICredentialsManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCredentialsManager() {
-		return $this->get(ICredentialsManager::class);
-	}
-
-	/**
-	 * Get the certificate manager
-	 *
-	 * @return \OCP\ICertificateManager
-	 */
-	public function getCertificateManager() {
-		return $this->get(ICertificateManager::class);
-	}
-
-	/**
-	 * Returns an instance of the HTTP client service
-	 *
-	 * @return IClientService
-	 * @deprecated 20.0.0
-	 */
-	public function getHTTPClientService() {
-		return $this->get(IClientService::class);
-	}
-
-	/**
-	 * Create a new event source
-	 *
-	 * @return \OCP\IEventSource
-	 * @deprecated 20.0.0
-	 */
-	public function createEventSource() {
-		return new \OC_EventSource();
-	}
-
-	/**
-	 * Get the active event logger
-	 *
-	 * The returned logger only logs data when debug mode is enabled
-	 *
-	 * @return IEventLogger
-	 * @deprecated 20.0.0
-	 */
-	public function getEventLogger() {
-		return $this->get(IEventLogger::class);
-	}
-
-	/**
-	 * Get the active query logger
-	 *
-	 * The returned logger only logs data when debug mode is enabled
-	 *
-	 * @return IQueryLogger
-	 * @deprecated 20.0.0
-	 */
-	public function getQueryLogger() {
-		return $this->get(IQueryLogger::class);
-	}
-
-	/**
-	 * Get the manager for temporary files and folders
-	 *
-	 * @return \OCP\ITempManager
-	 * @deprecated 20.0.0
-	 */
-	public function getTempManager() {
-		return $this->get(ITempManager::class);
-	}
-
-	/**
-	 * Get the app manager
-	 *
-	 * @return \OCP\App\IAppManager
-	 * @deprecated 20.0.0
-	 */
-	public function getAppManager() {
-		return $this->get(IAppManager::class);
-	}
-
-	/**
-	 * Creates a new mailer
-	 *
-	 * @return IMailer
-	 * @deprecated 20.0.0
-	 */
-	public function getMailer() {
-		return $this->get(IMailer::class);
-	}
-
-	/**
-	 * Get the webroot
-	 *
-	 * @return string
-	 * @deprecated 20.0.0
-	 */
-	public function getWebRoot() {
-		return $this->webRoot;
-	}
-
-	/**
-	 * @return \OC\OCSClient
-	 * @deprecated 20.0.0
-	 */
-	public function getOcsClient() {
-		return $this->get('OcsClient');
-	}
-
-	/**
-	 * @return IDateTimeZone
-	 * @deprecated 20.0.0
-	 */
-	public function getDateTimeZone() {
-		return $this->get(IDateTimeZone::class);
-	}
-
-	/**
-	 * @return IDateTimeFormatter
-	 * @deprecated 20.0.0
-	 */
-	public function getDateTimeFormatter() {
-		return $this->get(IDateTimeFormatter::class);
-	}
-
-	/**
-	 * @return IMountProviderCollection
-	 * @deprecated 20.0.0
-	 */
-	public function getMountProviderCollection() {
-		return $this->get(IMountProviderCollection::class);
-	}
-
-	/**
-	 * Get the IniWrapper
-	 *
-	 * @return IniGetWrapper
-	 * @deprecated 20.0.0
-	 */
-	public function getIniWrapper() {
-		return $this->get(IniGetWrapper::class);
-	}
-
-	/**
-	 * @return \OCP\Command\IBus
-	 * @deprecated 20.0.0
-	 */
-	public function getCommandBus() {
-		return $this->get(IBus::class);
-	}
-
-	/**
-	 * Get the trusted domain helper
-	 *
-	 * @return TrustedDomainHelper
-	 * @deprecated 20.0.0
-	 */
-	public function getTrustedDomainHelper() {
-		return $this->get(TrustedDomainHelper::class);
-	}
-
-	/**
-	 * Get the locking provider
-	 *
-	 * @return ILockingProvider
-	 * @since 8.1.0
-	 * @deprecated 20.0.0
-	 */
-	public function getLockingProvider() {
-		return $this->get(ILockingProvider::class);
-	}
-
-	/**
-	 * @return IMountManager
-	 * @deprecated 20.0.0
-	 **/
-	public function getMountManager() {
-		return $this->get(IMountManager::class);
-	}
-
-	/**
-	 * @return IUserMountCache
-	 * @deprecated 20.0.0
-	 */
-	public function getUserMountCache() {
-		return $this->get(IUserMountCache::class);
-	}
-
-	/**
-	 * Get the MimeTypeDetector
-	 *
-	 * @return IMimeTypeDetector
-	 * @deprecated 20.0.0
-	 */
-	public function getMimeTypeDetector() {
-		return $this->get(IMimeTypeDetector::class);
-	}
-
-	/**
-	 * Get the MimeTypeLoader
-	 *
-	 * @return IMimeTypeLoader
-	 * @deprecated 20.0.0
-	 */
-	public function getMimeTypeLoader() {
-		return $this->get(IMimeTypeLoader::class);
-	}
-
-	/**
-	 * Get the manager of all the capabilities
-	 *
-	 * @return CapabilitiesManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCapabilitiesManager() {
-		return $this->get(CapabilitiesManager::class);
-	}
-
-	/**
-	 * Get the EventDispatcher
-	 *
-	 * @return EventDispatcherInterface
-	 * @since 8.2.0
-	 * @deprecated 18.0.0 use \OCP\EventDispatcher\IEventDispatcher
-	 */
-	public function getEventDispatcher() {
-		return $this->get(\OC\EventDispatcher\SymfonyAdapter::class);
-	}
-
-	/**
-	 * Get the Notification Manager
-	 *
-	 * @return \OCP\Notification\IManager
-	 * @since 8.2.0
-	 * @deprecated 20.0.0
-	 */
-	public function getNotificationManager() {
-		return $this->get(\OCP\Notification\IManager::class);
-	}
-
-	/**
-	 * @return ICommentsManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCommentsManager() {
-		return $this->get(ICommentsManager::class);
-	}
-
-	/**
-	 * @return \OCA\Theming\ThemingDefaults
-	 * @deprecated 20.0.0
-	 */
-	public function getThemingDefaults() {
-		return $this->get('ThemingDefaults');
-	}
-
-	/**
-	 * @return \OC\IntegrityCheck\Checker
-	 * @deprecated 20.0.0
-	 */
-	public function getIntegrityCodeChecker() {
-		return $this->get('IntegrityCodeChecker');
-	}
-
-	/**
-	 * @return \OC\Session\CryptoWrapper
-	 * @deprecated 20.0.0
-	 */
-	public function getSessionCryptoWrapper() {
-		return $this->get('CryptoWrapper');
-	}
-
-	/**
-	 * @return CsrfTokenManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCsrfTokenManager() {
-		return $this->get(CsrfTokenManager::class);
-	}
-
-	/**
-	 * @return Throttler
-	 * @deprecated 20.0.0
-	 */
-	public function getBruteForceThrottler() {
-		return $this->get(Throttler::class);
-	}
-
-	/**
-	 * @return IContentSecurityPolicyManager
-	 * @deprecated 20.0.0
-	 */
-	public function getContentSecurityPolicyManager() {
-		return $this->get(ContentSecurityPolicyManager::class);
-	}
-
-	/**
-	 * @return ContentSecurityPolicyNonceManager
-	 * @deprecated 20.0.0
-	 */
-	public function getContentSecurityPolicyNonceManager() {
-		return $this->get(ContentSecurityPolicyNonceManager::class);
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\BackendService
-	 * @deprecated 20.0.0
-	 */
-	public function getStoragesBackendService() {
-		return $this->get(BackendService::class);
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\GlobalStoragesService
-	 * @deprecated 20.0.0
-	 */
-	public function getGlobalStoragesService() {
-		return $this->get(GlobalStoragesService::class);
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\UserGlobalStoragesService
-	 * @deprecated 20.0.0
-	 */
-	public function getUserGlobalStoragesService() {
-		return $this->get(UserGlobalStoragesService::class);
-	}
-
-	/**
-	 * Not a public API as of 8.2, wait for 9.0
-	 *
-	 * @return \OCA\Files_External\Service\UserStoragesService
-	 * @deprecated 20.0.0
-	 */
-	public function getUserStoragesService() {
-		return $this->get(UserStoragesService::class);
-	}
-
-	/**
-	 * @return \OCP\Share\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getShareManager() {
-		return $this->get(\OCP\Share\IManager::class);
-	}
-
-	/**
-	 * @return \OCP\Collaboration\Collaborators\ISearch
-	 * @deprecated 20.0.0
-	 */
-	public function getCollaboratorSearch() {
-		return $this->get(\OCP\Collaboration\Collaborators\ISearch::class);
-	}
-
-	/**
-	 * @return \OCP\Collaboration\AutoComplete\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getAutoCompleteManager() {
-		return $this->get(IManager::class);
-	}
-
-	/**
-	 * Returns the LDAP Provider
-	 *
-	 * @return \OCP\LDAP\ILDAPProvider
-	 * @deprecated 20.0.0
-	 */
-	public function getLDAPProvider() {
-		return $this->get('LDAPProvider');
-	}
-
-	/**
-	 * @return \OCP\Settings\IManager
-	 * @deprecated 20.0.0
-	 */
-	public function getSettingsManager() {
-		return $this->get(\OC\Settings\Manager::class);
-	}
-
-	/**
-	 * @return \OCP\Files\IAppData
-	 * @deprecated 20.0.0 Use get(\OCP\Files\AppData\IAppDataFactory::class)->get($app) instead
-	 */
-	public function getAppDataDir($app) {
-		/** @var \OC\Files\AppData\Factory $factory */
-		$factory = $this->get(\OC\Files\AppData\Factory::class);
-		return $factory->get($app);
-	}
-
-	/**
-	 * @return \OCP\Lockdown\ILockdownManager
-	 * @deprecated 20.0.0
-	 */
-	public function getLockdownManager() {
-		return $this->get('LockdownManager');
-	}
-
-	/**
-	 * @return \OCP\Federation\ICloudIdManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCloudIdManager() {
-		return $this->get(ICloudIdManager::class);
-	}
-
-	/**
-	 * @return \OCP\GlobalScale\IConfig
-	 * @deprecated 20.0.0
-	 */
-	public function getGlobalScaleConfig() {
-		return $this->get(IConfig::class);
-	}
-
-	/**
-	 * @return \OCP\Federation\ICloudFederationProviderManager
-	 * @deprecated 20.0.0
-	 */
-	public function getCloudFederationProviderManager() {
-		return $this->get(ICloudFederationProviderManager::class);
-	}
-
-	/**
-	 * @return \OCP\Remote\Api\IApiFactory
-	 * @deprecated 20.0.0
-	 */
-	public function getRemoteApiFactory() {
-		return $this->get(IApiFactory::class);
-	}
-
-	/**
-	 * @return \OCP\Federation\ICloudFederationFactory
-	 * @deprecated 20.0.0
-	 */
-	public function getCloudFederationFactory() {
-		return $this->get(ICloudFederationFactory::class);
-	}
-
-	/**
-	 * @return \OCP\Remote\IInstanceFactory
-	 * @deprecated 20.0.0
-	 */
-	public function getRemoteInstanceFactory() {
-		return $this->get(IInstanceFactory::class);
-	}
-
-	/**
-	 * @return IStorageFactory
-	 * @deprecated 20.0.0
-	 */
-	public function getStorageFactory() {
-		return $this->get(IStorageFactory::class);
-	}
-
-	/**
-	 * Get the Preview GeneratorHelper
-	 *
-	 * @return GeneratorHelper
-	 * @since 17.0.0
-	 * @deprecated 20.0.0
-	 */
-	public function getGeneratorHelper() {
-		return $this->get(\OC\Preview\GeneratorHelper::class);
-	}
-
-	private function registerDeprecatedAlias(string $alias, string $target) {
-		$this->registerService($alias, function (ContainerInterface $container) use ($target, $alias) {
-			try {
-				/** @var LoggerInterface $logger */
-				$logger = $container->get(LoggerInterface::class);
-				$logger->debug('The requested alias "' . $alias . '" is deprecated. Please request "' . $target . '" directly. This alias will be removed in a future Nextcloud version.', ['app' => 'serverDI']);
-			} catch (ContainerExceptionInterface $e) {
-				// Could not get logger. Continue
-			}
-
-			return $container->get($target);
-		}, false);
-	}
+            $prefixes = \OC::$composerAutoloader->getPrefixesPsr4();
+            if (isset($prefixes['OCA\\Theming\\'])) {
+                $classExists = true;
+            } else {
+                $classExists = false;
+            }
+
+            if ($classExists && $c->get(\OCP\IConfig::class)->getSystemValue('installed', false) && $c->get(IAppManager::class)->isInstalled('theming') && $c->getTrustedDomainHelper()->isTrustedDomain($c->getRequest()->getInsecureServerHost())) {
+                return new ThemingDefaults(
+                    $c->get(\OCP\IConfig::class),
+                    $c->getL10N('theming'),
+                    $c->get(IUserSession::class),
+                    $c->get(IURLGenerator::class),
+                    $c->get(ICacheFactory::class),
+                    new Util($c->get(\OCP\IConfig::class), $this->get(IAppManager::class), $c->getAppDataDir('theming')),
+                    new ImageManager(
+                        $c->get(\OCP\IConfig::class),
+                        $c->getAppDataDir('theming'),
+                        $c->get(IURLGenerator::class),
+                        $this->get(ICacheFactory::class),
+                        $this->get(ILogger::class),
+                        $this->get(ITempManager::class)
+                    ),
+                    $c->get(IAppManager::class),
+                    $c->get(INavigationManager::class)
+                );
+            }
+            return new \OC_Defaults();
+        });
+        $this->registerService(JSCombiner::class, function (Server $c) {
+            return new JSCombiner(
+                $c->getAppDataDir('js'),
+                $c->get(IURLGenerator::class),
+                $this->get(ICacheFactory::class),
+                $c->get(SystemConfig::class),
+                $c->get(LoggerInterface::class)
+            );
+        });
+        $this->registerAlias(\OCP\EventDispatcher\IEventDispatcher::class, \OC\EventDispatcher\EventDispatcher::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('EventDispatcher', \OC\EventDispatcher\SymfonyAdapter::class);
+        $this->registerAlias(EventDispatcherInterface::class, \OC\EventDispatcher\SymfonyAdapter::class);
+
+        $this->registerService('CryptoWrapper', function (ContainerInterface $c) {
+            // FIXME: Instantiated here due to cyclic dependency
+            $request = new Request(
+                [
+                    'get' => $_GET,
+                    'post' => $_POST,
+                    'files' => $_FILES,
+                    'server' => $_SERVER,
+                    'env' => $_ENV,
+                    'cookies' => $_COOKIE,
+                    'method' => (isset($_SERVER) && isset($_SERVER['REQUEST_METHOD']))
+                        ? $_SERVER['REQUEST_METHOD']
+                        : null,
+                ],
+                $c->get(IRequestId::class),
+                $c->get(\OCP\IConfig::class)
+            );
+
+            return new CryptoWrapper(
+                $c->get(\OCP\IConfig::class),
+                $c->get(ICrypto::class),
+                $c->get(ISecureRandom::class),
+                $request
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CsrfTokenManager', CsrfTokenManager::class);
+        $this->registerService(SessionStorage::class, function (ContainerInterface $c) {
+            return new SessionStorage($c->get(ISession::class));
+        });
+        $this->registerAlias(\OCP\Security\IContentSecurityPolicyManager::class, ContentSecurityPolicyManager::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('ContentSecurityPolicyManager', ContentSecurityPolicyManager::class);
+
+        $this->registerService(\OCP\Share\IManager::class, function (IServerContainer $c) {
+            $config = $c->get(\OCP\IConfig::class);
+            $factoryClass = $config->getSystemValue('sharing.managerFactory', ProviderFactory::class);
+            /** @var \OCP\Share\IProviderFactory $factory */
+            $factory = new $factoryClass($this);
+
+            $manager = new \OC\Share20\Manager(
+                $c->get(LoggerInterface::class),
+                $c->get(\OCP\IConfig::class),
+                $c->get(ISecureRandom::class),
+                $c->get(IHasher::class),
+                $c->get(IMountManager::class),
+                $c->get(IGroupManager::class),
+                $c->getL10N('lib'),
+                $c->get(IFactory::class),
+                $factory,
+                $c->get(IUserManager::class),
+                $c->get(IRootFolder::class),
+                $c->get(SymfonyAdapter::class),
+                $c->get(IMailer::class),
+                $c->get(IURLGenerator::class),
+                $c->get('ThemingDefaults'),
+                $c->get(IEventDispatcher::class),
+                $c->get(IUserSession::class),
+                $c->get(KnownUserService::class)
+            );
+
+            return $manager;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('ShareManager', \OCP\Share\IManager::class);
+
+        $this->registerService(\OCP\Collaboration\Collaborators\ISearch::class, function (Server $c) {
+            $instance = new Collaboration\Collaborators\Search($c);
+
+            // register default plugins
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_USER', 'class' => UserPlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_GROUP', 'class' => GroupPlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_EMAIL', 'class' => MailPlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE', 'class' => RemotePlugin::class]);
+            $instance->registerPlugin(['shareType' => 'SHARE_TYPE_REMOTE_GROUP', 'class' => RemoteGroupPlugin::class]);
+
+            return $instance;
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('CollaboratorSearch', \OCP\Collaboration\Collaborators\ISearch::class);
+        $this->registerAlias(\OCP\Collaboration\Collaborators\ISearchResult::class, \OC\Collaboration\Collaborators\SearchResult::class);
+
+        $this->registerAlias(\OCP\Collaboration\AutoComplete\IManager::class, \OC\Collaboration\AutoComplete\Manager::class);
+
+        $this->registerAlias(\OCP\Collaboration\Resources\IProviderManager::class, \OC\Collaboration\Resources\ProviderManager::class);
+        $this->registerAlias(\OCP\Collaboration\Resources\IManager::class, \OC\Collaboration\Resources\Manager::class);
+
+        $this->registerAlias(IReferenceManager::class, ReferenceManager::class);
+
+        $this->registerDeprecatedAlias('SettingsManager', \OC\Settings\Manager::class);
+        $this->registerAlias(\OCP\Settings\IManager::class, \OC\Settings\Manager::class);
+        $this->registerService(\OC\Files\AppData\Factory::class, function (ContainerInterface $c) {
+            return new \OC\Files\AppData\Factory(
+                $c->get(IRootFolder::class),
+                $c->get(SystemConfig::class)
+            );
+        });
+
+        $this->registerService('LockdownManager', function (ContainerInterface $c) {
+            return new LockdownManager(function () use ($c) {
+                return $c->get(ISession::class);
+            });
+        });
+
+        $this->registerService(\OCP\OCS\IDiscoveryService::class, function (ContainerInterface $c) {
+            return new DiscoveryService(
+                $c->get(ICacheFactory::class),
+                $c->get(IClientService::class)
+            );
+        });
+
+        $this->registerService(ICloudIdManager::class, function (ContainerInterface $c) {
+            return new CloudIdManager(
+                $c->get(\OCP\Contacts\IManager::class),
+                $c->get(IURLGenerator::class),
+                $c->get(IUserManager::class),
+                $c->get(ICacheFactory::class),
+                $c->get(IEventDispatcher::class),
+            );
+        });
+
+        $this->registerAlias(\OCP\GlobalScale\IConfig::class, \OC\GlobalScale\Config::class);
+
+        $this->registerService(ICloudFederationProviderManager::class, function (ContainerInterface $c) {
+            return new CloudFederationProviderManager(
+                $c->get(IAppManager::class),
+                $c->get(IClientService::class),
+                $c->get(ICloudIdManager::class),
+                $c->get(LoggerInterface::class)
+            );
+        });
+
+        $this->registerService(ICloudFederationFactory::class, function (Server $c) {
+            return new CloudFederationFactory();
+        });
+
+        $this->registerAlias(\OCP\AppFramework\Utility\IControllerMethodReflector::class, \OC\AppFramework\Utility\ControllerMethodReflector::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('ControllerMethodReflector', \OCP\AppFramework\Utility\IControllerMethodReflector::class);
+
+        $this->registerAlias(\OCP\AppFramework\Utility\ITimeFactory::class, \OC\AppFramework\Utility\TimeFactory::class);
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('TimeFactory', \OCP\AppFramework\Utility\ITimeFactory::class);
+
+        $this->registerService(Defaults::class, function (Server $c) {
+            return new Defaults(
+                $c->getThemingDefaults()
+            );
+        });
+        /** @deprecated 19.0.0 */
+        $this->registerDeprecatedAlias('Defaults', \OCP\Defaults::class);
+
+        $this->registerService(\OCP\ISession::class, function (ContainerInterface $c) {
+            return $c->get(\OCP\IUserSession::class)->getSession();
+        }, false);
+
+        $this->registerService(IShareHelper::class, function (ContainerInterface $c) {
+            return new ShareHelper(
+                $c->get(\OCP\Share\IManager::class)
+            );
+        });
+
+        $this->registerService(Installer::class, function (ContainerInterface $c) {
+            return new Installer(
+                $c->get(AppFetcher::class),
+                $c->get(IClientService::class),
+                $c->get(ITempManager::class),
+                $c->get(LoggerInterface::class),
+                $c->get(\OCP\IConfig::class),
+                \OC::$CLI
+            );
+        });
+
+        $this->registerService(IApiFactory::class, function (ContainerInterface $c) {
+            return new ApiFactory($c->get(IClientService::class));
+        });
+
+        $this->registerService(IInstanceFactory::class, function (ContainerInterface $c) {
+            $memcacheFactory = $c->get(ICacheFactory::class);
+            return new InstanceFactory($memcacheFactory->createLocal('remoteinstance.'), $c->get(IClientService::class));
+        });
+
+        $this->registerAlias(IContactsStore::class, ContactsStore::class);
+        $this->registerAlias(IAccountManager::class, AccountManager::class);
+
+        $this->registerAlias(IStorageFactory::class, StorageFactory::class);
+
+        $this->registerAlias(IDashboardManager::class, DashboardManager::class);
+        $this->registerAlias(\OCP\Dashboard\IManager::class, \OC\Dashboard\Manager::class);
+        $this->registerAlias(IFullTextSearchManager::class, FullTextSearchManager::class);
+
+        $this->registerAlias(ISubAdmin::class, SubAdmin::class);
+
+        $this->registerAlias(IInitialStateService::class, InitialStateService::class);
+
+        $this->registerAlias(\OCP\IEmojiHelper::class, \OC\EmojiHelper::class);
+
+        $this->registerAlias(\OCP\UserStatus\IManager::class, \OC\UserStatus\Manager::class);
+
+        $this->registerAlias(IBroker::class, Broker::class);
+
+        $this->registerAlias(IMetadataManager::class, MetadataManager::class);
+
+        $this->registerAlias(\OCP\Files\AppData\IAppDataFactory::class, \OC\Files\AppData\Factory::class);
+
+        $this->registerAlias(IBinaryFinder::class, BinaryFinder::class);
+
+        $this->connectDispatcher();
+    }
+
+    public function boot() {
+        /** @var HookConnector $hookConnector */
+        $hookConnector = $this->get(HookConnector::class);
+        $hookConnector->viewToNode();
+    }
+
+    /**
+     * @return \OCP\Calendar\IManager
+     * @deprecated 20.0.0
+     */
+    public function getCalendarManager() {
+        return $this->get(\OC\Calendar\Manager::class);
+    }
+
+    /**
+     * @return \OCP\Calendar\Resource\IManager
+     * @deprecated 20.0.0
+     */
+    public function getCalendarResourceBackendManager() {
+        return $this->get(\OC\Calendar\Resource\Manager::class);
+    }
+
+    /**
+     * @return \OCP\Calendar\Room\IManager
+     * @deprecated 20.0.0
+     */
+    public function getCalendarRoomBackendManager() {
+        return $this->get(\OC\Calendar\Room\Manager::class);
+    }
+
+    private function connectDispatcher(): void {
+        /** @var IEventDispatcher $eventDispatcher */
+        $eventDispatcher = $this->get(IEventDispatcher::class);
+        $eventDispatcher->addServiceListener(LoginFailed::class, LoginFailedListener::class);
+        $eventDispatcher->addServiceListener(PostLoginEvent::class, UserLoggedInListener::class);
+        $eventDispatcher->addServiceListener(UserChangedEvent::class, UserChangedListener::class);
+        $eventDispatcher->addServiceListener(BeforeUserDeletedEvent::class, BeforeUserDeletedListener::class);
+    }
+
+    /**
+     * @return \OCP\Contacts\IManager
+     * @deprecated 20.0.0
+     */
+    public function getContactsManager() {
+        return $this->get(\OCP\Contacts\IManager::class);
+    }
+
+    /**
+     * @return \OC\Encryption\Manager
+     * @deprecated 20.0.0
+     */
+    public function getEncryptionManager() {
+        return $this->get(\OCP\Encryption\IManager::class);
+    }
+
+    /**
+     * @return \OC\Encryption\File
+     * @deprecated 20.0.0
+     */
+    public function getEncryptionFilesHelper() {
+        return $this->get(IFile::class);
+    }
+
+    /**
+     * @return \OCP\Encryption\Keys\IStorage
+     * @deprecated 20.0.0
+     */
+    public function getEncryptionKeyStorage() {
+        return $this->get(IStorage::class);
+    }
+
+    /**
+     * The current request object holding all information about the request
+     * currently being processed is returned from this method.
+     * In case the current execution was not initiated by a web request null is returned
+     *
+     * @return \OCP\IRequest
+     * @deprecated 20.0.0
+     */
+    public function getRequest() {
+        return $this->get(IRequest::class);
+    }
+
+    /**
+     * Returns the preview manager which can create preview images for a given file
+     *
+     * @return IPreview
+     * @deprecated 20.0.0
+     */
+    public function getPreviewManager() {
+        return $this->get(IPreview::class);
+    }
+
+    /**
+     * Returns the tag manager which can get and set tags for different object types
+     *
+     * @see \OCP\ITagManager::load()
+     * @return ITagManager
+     * @deprecated 20.0.0
+     */
+    public function getTagManager() {
+        return $this->get(ITagManager::class);
+    }
+
+    /**
+     * Returns the system-tag manager
+     *
+     * @return ISystemTagManager
+     *
+     * @since 9.0.0
+     * @deprecated 20.0.0
+     */
+    public function getSystemTagManager() {
+        return $this->get(ISystemTagManager::class);
+    }
+
+    /**
+     * Returns the system-tag object mapper
+     *
+     * @return ISystemTagObjectMapper
+     *
+     * @since 9.0.0
+     * @deprecated 20.0.0
+     */
+    public function getSystemTagObjectMapper() {
+        return $this->get(ISystemTagObjectMapper::class);
+    }
+
+    /**
+     * Returns the avatar manager, used for avatar functionality
+     *
+     * @return IAvatarManager
+     * @deprecated 20.0.0
+     */
+    public function getAvatarManager() {
+        return $this->get(IAvatarManager::class);
+    }
+
+    /**
+     * Returns the root folder of ownCloud's data directory
+     *
+     * @return IRootFolder
+     * @deprecated 20.0.0
+     */
+    public function getRootFolder() {
+        return $this->get(IRootFolder::class);
+    }
+
+    /**
+     * Returns the root folder of ownCloud's data directory
+     * This is the lazy variant so this gets only initialized once it
+     * is actually used.
+     *
+     * @return IRootFolder
+     * @deprecated 20.0.0
+     */
+    public function getLazyRootFolder() {
+        return $this->get(IRootFolder::class);
+    }
+
+    /**
+     * Returns a view to ownCloud's files folder
+     *
+     * @param string $userId user ID
+     * @return \OCP\Files\Folder|null
+     * @deprecated 20.0.0
+     */
+    public function getUserFolder($userId = null) {
+        if ($userId === null) {
+            $user = $this->get(IUserSession::class)->getUser();
+            if (!$user) {
+                return null;
+            }
+            $userId = $user->getUID();
+        }
+        $root = $this->get(IRootFolder::class);
+        return $root->getUserFolder($userId);
+    }
+
+    /**
+     * @return \OC\User\Manager
+     * @deprecated 20.0.0
+     */
+    public function getUserManager() {
+        return $this->get(IUserManager::class);
+    }
+
+    /**
+     * @return \OC\Group\Manager
+     * @deprecated 20.0.0
+     */
+    public function getGroupManager() {
+        return $this->get(IGroupManager::class);
+    }
+
+    /**
+     * @return \OC\User\Session
+     * @deprecated 20.0.0
+     */
+    public function getUserSession() {
+        return $this->get(IUserSession::class);
+    }
+
+    /**
+     * @return \OCP\ISession
+     * @deprecated 20.0.0
+     */
+    public function getSession() {
+        return $this->get(Session::class)->getSession();
+    }
+
+    /**
+     * @param \OCP\ISession $session
+     */
+    public function setSession(\OCP\ISession $session) {
+        $this->get(SessionStorage::class)->setSession($session);
+        $this->get(Session::class)->setSession($session);
+        $this->get(Store::class)->setSession($session);
+    }
+
+    /**
+     * @return \OC\Authentication\TwoFactorAuth\Manager
+     * @deprecated 20.0.0
+     */
+    public function getTwoFactorAuthManager() {
+        return $this->get(\OC\Authentication\TwoFactorAuth\Manager::class);
+    }
+
+    /**
+     * @return \OC\NavigationManager
+     * @deprecated 20.0.0
+     */
+    public function getNavigationManager() {
+        return $this->get(INavigationManager::class);
+    }
+
+    /**
+     * @return \OCP\IConfig
+     * @deprecated 20.0.0
+     */
+    public function getConfig() {
+        return $this->get(AllConfig::class);
+    }
+
+    /**
+     * @return \OC\SystemConfig
+     * @deprecated 20.0.0
+     */
+    public function getSystemConfig() {
+        return $this->get(SystemConfig::class);
+    }
+
+    /**
+     * Returns the app config manager
+     *
+     * @return IAppConfig
+     * @deprecated 20.0.0
+     */
+    public function getAppConfig() {
+        return $this->get(IAppConfig::class);
+    }
+
+    /**
+     * @return IFactory
+     * @deprecated 20.0.0
+     */
+    public function getL10NFactory() {
+        return $this->get(IFactory::class);
+    }
+
+    /**
+     * get an L10N instance
+     *
+     * @param string $app appid
+     * @param string $lang
+     * @return IL10N
+     * @deprecated 20.0.0
+     */
+    public function getL10N($app, $lang = null) {
+        return $this->get(IFactory::class)->get($app, $lang);
+    }
+
+    /**
+     * @return IURLGenerator
+     * @deprecated 20.0.0
+     */
+    public function getURLGenerator() {
+        return $this->get(IURLGenerator::class);
+    }
+
+    /**
+     * @return AppFetcher
+     * @deprecated 20.0.0
+     */
+    public function getAppFetcher() {
+        return $this->get(AppFetcher::class);
+    }
+
+    /**
+     * Returns an ICache instance. Since 8.1.0 it returns a fake cache. Use
+     * getMemCacheFactory() instead.
+     *
+     * @return ICache
+     * @deprecated 8.1.0 use getMemCacheFactory to obtain a proper cache
+     */
+    public function getCache() {
+        return $this->get(ICache::class);
+    }
+
+    /**
+     * Returns an \OCP\CacheFactory instance
+     *
+     * @return \OCP\ICacheFactory
+     * @deprecated 20.0.0
+     */
+    public function getMemCacheFactory() {
+        return $this->get(ICacheFactory::class);
+    }
+
+    /**
+     * Returns an \OC\RedisFactory instance
+     *
+     * @return \OC\RedisFactory
+     * @deprecated 20.0.0
+     */
+    public function getGetRedisFactory() {
+        return $this->get('RedisFactory');
+    }
+
+
+    /**
+     * Returns the current session
+     *
+     * @return \OCP\IDBConnection
+     * @deprecated 20.0.0
+     */
+    public function getDatabaseConnection() {
+        return $this->get(IDBConnection::class);
+    }
+
+    /**
+     * Returns the activity manager
+     *
+     * @return \OCP\Activity\IManager
+     * @deprecated 20.0.0
+     */
+    public function getActivityManager() {
+        return $this->get(\OCP\Activity\IManager::class);
+    }
+
+    /**
+     * Returns an job list for controlling background jobs
+     *
+     * @return IJobList
+     * @deprecated 20.0.0
+     */
+    public function getJobList() {
+        return $this->get(IJobList::class);
+    }
+
+    /**
+     * Returns a logger instance
+     *
+     * @return ILogger
+     * @deprecated 20.0.0
+     */
+    public function getLogger() {
+        return $this->get(ILogger::class);
+    }
+
+    /**
+     * @return ILogFactory
+     * @throws \OCP\AppFramework\QueryException
+     * @deprecated 20.0.0
+     */
+    public function getLogFactory() {
+        return $this->get(ILogFactory::class);
+    }
+
+    /**
+     * Returns a router for generating and matching urls
+     *
+     * @return IRouter
+     * @deprecated 20.0.0
+     */
+    public function getRouter() {
+        return $this->get(IRouter::class);
+    }
+
+    /**
+     * Returns a search instance
+     *
+     * @return ISearch
+     * @deprecated 20.0.0
+     */
+    public function getSearch() {
+        return $this->get(ISearch::class);
+    }
+
+    /**
+     * Returns a SecureRandom instance
+     *
+     * @return \OCP\Security\ISecureRandom
+     * @deprecated 20.0.0
+     */
+    public function getSecureRandom() {
+        return $this->get(ISecureRandom::class);
+    }
+
+    /**
+     * Returns a Crypto instance
+     *
+     * @return ICrypto
+     * @deprecated 20.0.0
+     */
+    public function getCrypto() {
+        return $this->get(ICrypto::class);
+    }
+
+    /**
+     * Returns a Hasher instance
+     *
+     * @return IHasher
+     * @deprecated 20.0.0
+     */
+    public function getHasher() {
+        return $this->get(IHasher::class);
+    }
+
+    /**
+     * Returns a CredentialsManager instance
+     *
+     * @return ICredentialsManager
+     * @deprecated 20.0.0
+     */
+    public function getCredentialsManager() {
+        return $this->get(ICredentialsManager::class);
+    }
+
+    /**
+     * Get the certificate manager
+     *
+     * @return \OCP\ICertificateManager
+     */
+    public function getCertificateManager() {
+        return $this->get(ICertificateManager::class);
+    }
+
+    /**
+     * Returns an instance of the HTTP client service
+     *
+     * @return IClientService
+     * @deprecated 20.0.0
+     */
+    public function getHTTPClientService() {
+        return $this->get(IClientService::class);
+    }
+
+    /**
+     * Create a new event source
+     *
+     * @return \OCP\IEventSource
+     * @deprecated 20.0.0
+     */
+    public function createEventSource() {
+        return new \OC_EventSource();
+    }
+
+    /**
+     * Get the active event logger
+     *
+     * The returned logger only logs data when debug mode is enabled
+     *
+     * @return IEventLogger
+     * @deprecated 20.0.0
+     */
+    public function getEventLogger() {
+        return $this->get(IEventLogger::class);
+    }
+
+    /**
+     * Get the active query logger
+     *
+     * The returned logger only logs data when debug mode is enabled
+     *
+     * @return IQueryLogger
+     * @deprecated 20.0.0
+     */
+    public function getQueryLogger() {
+        return $this->get(IQueryLogger::class);
+    }
+
+    /**
+     * Get the manager for temporary files and folders
+     *
+     * @return \OCP\ITempManager
+     * @deprecated 20.0.0
+     */
+    public function getTempManager() {
+        return $this->get(ITempManager::class);
+    }
+
+    /**
+     * Get the app manager
+     *
+     * @return \OCP\App\IAppManager
+     * @deprecated 20.0.0
+     */
+    public function getAppManager() {
+        return $this->get(IAppManager::class);
+    }
+
+    /**
+     * Creates a new mailer
+     *
+     * @return IMailer
+     * @deprecated 20.0.0
+     */
+    public function getMailer() {
+        return $this->get(IMailer::class);
+    }
+
+    /**
+     * Get the webroot
+     *
+     * @return string
+     * @deprecated 20.0.0
+     */
+    public function getWebRoot() {
+        return $this->webRoot;
+    }
+
+    /**
+     * @return \OC\OCSClient
+     * @deprecated 20.0.0
+     */
+    public function getOcsClient() {
+        return $this->get('OcsClient');
+    }
+
+    /**
+     * @return IDateTimeZone
+     * @deprecated 20.0.0
+     */
+    public function getDateTimeZone() {
+        return $this->get(IDateTimeZone::class);
+    }
+
+    /**
+     * @return IDateTimeFormatter
+     * @deprecated 20.0.0
+     */
+    public function getDateTimeFormatter() {
+        return $this->get(IDateTimeFormatter::class);
+    }
+
+    /**
+     * @return IMountProviderCollection
+     * @deprecated 20.0.0
+     */
+    public function getMountProviderCollection() {
+        return $this->get(IMountProviderCollection::class);
+    }
+
+    /**
+     * Get the IniWrapper
+     *
+     * @return IniGetWrapper
+     * @deprecated 20.0.0
+     */
+    public function getIniWrapper() {
+        return $this->get(IniGetWrapper::class);
+    }
+
+    /**
+     * @return \OCP\Command\IBus
+     * @deprecated 20.0.0
+     */
+    public function getCommandBus() {
+        return $this->get(IBus::class);
+    }
+
+    /**
+     * Get the trusted domain helper
+     *
+     * @return TrustedDomainHelper
+     * @deprecated 20.0.0
+     */
+    public function getTrustedDomainHelper() {
+        return $this->get(TrustedDomainHelper::class);
+    }
+
+    /**
+     * Get the locking provider
+     *
+     * @return ILockingProvider
+     * @since 8.1.0
+     * @deprecated 20.0.0
+     */
+    public function getLockingProvider() {
+        return $this->get(ILockingProvider::class);
+    }
+
+    /**
+     * @return IMountManager
+     * @deprecated 20.0.0
+     **/
+    public function getMountManager() {
+        return $this->get(IMountManager::class);
+    }
+
+    /**
+     * @return IUserMountCache
+     * @deprecated 20.0.0
+     */
+    public function getUserMountCache() {
+        return $this->get(IUserMountCache::class);
+    }
+
+    /**
+     * Get the MimeTypeDetector
+     *
+     * @return IMimeTypeDetector
+     * @deprecated 20.0.0
+     */
+    public function getMimeTypeDetector() {
+        return $this->get(IMimeTypeDetector::class);
+    }
+
+    /**
+     * Get the MimeTypeLoader
+     *
+     * @return IMimeTypeLoader
+     * @deprecated 20.0.0
+     */
+    public function getMimeTypeLoader() {
+        return $this->get(IMimeTypeLoader::class);
+    }
+
+    /**
+     * Get the manager of all the capabilities
+     *
+     * @return CapabilitiesManager
+     * @deprecated 20.0.0
+     */
+    public function getCapabilitiesManager() {
+        return $this->get(CapabilitiesManager::class);
+    }
+
+    /**
+     * Get the EventDispatcher
+     *
+     * @return EventDispatcherInterface
+     * @since 8.2.0
+     * @deprecated 18.0.0 use \OCP\EventDispatcher\IEventDispatcher
+     */
+    public function getEventDispatcher() {
+        return $this->get(\OC\EventDispatcher\SymfonyAdapter::class);
+    }
+
+    /**
+     * Get the Notification Manager
+     *
+     * @return \OCP\Notification\IManager
+     * @since 8.2.0
+     * @deprecated 20.0.0
+     */
+    public function getNotificationManager() {
+        return $this->get(\OCP\Notification\IManager::class);
+    }
+
+    /**
+     * @return ICommentsManager
+     * @deprecated 20.0.0
+     */
+    public function getCommentsManager() {
+        return $this->get(ICommentsManager::class);
+    }
+
+    /**
+     * @return \OCA\Theming\ThemingDefaults
+     * @deprecated 20.0.0
+     */
+    public function getThemingDefaults() {
+        return $this->get('ThemingDefaults');
+    }
+
+    /**
+     * @return \OC\IntegrityCheck\Checker
+     * @deprecated 20.0.0
+     */
+    public function getIntegrityCodeChecker() {
+        return $this->get('IntegrityCodeChecker');
+    }
+
+    /**
+     * @return \OC\Session\CryptoWrapper
+     * @deprecated 20.0.0
+     */
+    public function getSessionCryptoWrapper() {
+        return $this->get('CryptoWrapper');
+    }
+
+    /**
+     * @return CsrfTokenManager
+     * @deprecated 20.0.0
+     */
+    public function getCsrfTokenManager() {
+        return $this->get(CsrfTokenManager::class);
+    }
+
+    /**
+     * @return Throttler
+     * @deprecated 20.0.0
+     */
+    public function getBruteForceThrottler() {
+        return $this->get(Throttler::class);
+    }
+
+    /**
+     * @return IContentSecurityPolicyManager
+     * @deprecated 20.0.0
+     */
+    public function getContentSecurityPolicyManager() {
+        return $this->get(ContentSecurityPolicyManager::class);
+    }
+
+    /**
+     * @return ContentSecurityPolicyNonceManager
+     * @deprecated 20.0.0
+     */
+    public function getContentSecurityPolicyNonceManager() {
+        return $this->get(ContentSecurityPolicyNonceManager::class);
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\BackendService
+     * @deprecated 20.0.0
+     */
+    public function getStoragesBackendService() {
+        return $this->get(BackendService::class);
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\GlobalStoragesService
+     * @deprecated 20.0.0
+     */
+    public function getGlobalStoragesService() {
+        return $this->get(GlobalStoragesService::class);
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\UserGlobalStoragesService
+     * @deprecated 20.0.0
+     */
+    public function getUserGlobalStoragesService() {
+        return $this->get(UserGlobalStoragesService::class);
+    }
+
+    /**
+     * Not a public API as of 8.2, wait for 9.0
+     *
+     * @return \OCA\Files_External\Service\UserStoragesService
+     * @deprecated 20.0.0
+     */
+    public function getUserStoragesService() {
+        return $this->get(UserStoragesService::class);
+    }
+
+    /**
+     * @return \OCP\Share\IManager
+     * @deprecated 20.0.0
+     */
+    public function getShareManager() {
+        return $this->get(\OCP\Share\IManager::class);
+    }
+
+    /**
+     * @return \OCP\Collaboration\Collaborators\ISearch
+     * @deprecated 20.0.0
+     */
+    public function getCollaboratorSearch() {
+        return $this->get(\OCP\Collaboration\Collaborators\ISearch::class);
+    }
+
+    /**
+     * @return \OCP\Collaboration\AutoComplete\IManager
+     * @deprecated 20.0.0
+     */
+    public function getAutoCompleteManager() {
+        return $this->get(IManager::class);
+    }
+
+    /**
+     * Returns the LDAP Provider
+     *
+     * @return \OCP\LDAP\ILDAPProvider
+     * @deprecated 20.0.0
+     */
+    public function getLDAPProvider() {
+        return $this->get('LDAPProvider');
+    }
+
+    /**
+     * @return \OCP\Settings\IManager
+     * @deprecated 20.0.0
+     */
+    public function getSettingsManager() {
+        return $this->get(\OC\Settings\Manager::class);
+    }
+
+    /**
+     * @return \OCP\Files\IAppData
+     * @deprecated 20.0.0 Use get(\OCP\Files\AppData\IAppDataFactory::class)->get($app) instead
+     */
+    public function getAppDataDir($app) {
+        /** @var \OC\Files\AppData\Factory $factory */
+        $factory = $this->get(\OC\Files\AppData\Factory::class);
+        return $factory->get($app);
+    }
+
+    /**
+     * @return \OCP\Lockdown\ILockdownManager
+     * @deprecated 20.0.0
+     */
+    public function getLockdownManager() {
+        return $this->get('LockdownManager');
+    }
+
+    /**
+     * @return \OCP\Federation\ICloudIdManager
+     * @deprecated 20.0.0
+     */
+    public function getCloudIdManager() {
+        return $this->get(ICloudIdManager::class);
+    }
+
+    /**
+     * @return \OCP\GlobalScale\IConfig
+     * @deprecated 20.0.0
+     */
+    public function getGlobalScaleConfig() {
+        return $this->get(IConfig::class);
+    }
+
+    /**
+     * @return \OCP\Federation\ICloudFederationProviderManager
+     * @deprecated 20.0.0
+     */
+    public function getCloudFederationProviderManager() {
+        return $this->get(ICloudFederationProviderManager::class);
+    }
+
+    /**
+     * @return \OCP\Remote\Api\IApiFactory
+     * @deprecated 20.0.0
+     */
+    public function getRemoteApiFactory() {
+        return $this->get(IApiFactory::class);
+    }
+
+    /**
+     * @return \OCP\Federation\ICloudFederationFactory
+     * @deprecated 20.0.0
+     */
+    public function getCloudFederationFactory() {
+        return $this->get(ICloudFederationFactory::class);
+    }
+
+    /**
+     * @return \OCP\Remote\IInstanceFactory
+     * @deprecated 20.0.0
+     */
+    public function getRemoteInstanceFactory() {
+        return $this->get(IInstanceFactory::class);
+    }
+
+    /**
+     * @return IStorageFactory
+     * @deprecated 20.0.0
+     */
+    public function getStorageFactory() {
+        return $this->get(IStorageFactory::class);
+    }
+
+    /**
+     * Get the Preview GeneratorHelper
+     *
+     * @return GeneratorHelper
+     * @since 17.0.0
+     * @deprecated 20.0.0
+     */
+    public function getGeneratorHelper() {
+        return $this->get(\OC\Preview\GeneratorHelper::class);
+    }
+
+    private function registerDeprecatedAlias(string $alias, string $target) {
+        $this->registerService($alias, function (ContainerInterface $container) use ($target, $alias) {
+            try {
+                /** @var LoggerInterface $logger */
+                $logger = $container->get(LoggerInterface::class);
+                $logger->debug('The requested alias "' . $alias . '" is deprecated. Please request "' . $target . '" directly. This alias will be removed in a future Nextcloud version.', ['app' => 'serverDI']);
+            } catch (ContainerExceptionInterface $e) {
+                // Could not get logger. Continue
+            }
+
+            return $container->get($target);
+        }, false);
+    }
 }