nextcloud / server

lib/private/Profiler/FileProfilerStorage.php

Indentation +252 added lines, -252 removed lines

@@ -14,256 +14,256 @@
  * Storage for profiler using files.
  */
 class FileProfilerStorage {
-	// Folder where profiler data are stored.
-	private string $folder;
-
-	/**
-	 * Constructs the file storage using a "dsn-like" path.
-	 *
-	 * Example : "file:/path/to/the/storage/folder"
-	 *
-	 * @throws \RuntimeException
-	 */
-	public function __construct(string $folder) {
-		$this->folder = $folder;
-
-		if (!is_dir($this->folder) && @mkdir($this->folder, 0777, true) === false && !is_dir($this->folder)) {
-			throw new \RuntimeException(sprintf('Unable to create the storage directory (%s).', $this->folder));
-		}
-	}
-
-	public function find(?string $url, ?int $limit, ?string $method, ?int $start = null, ?int $end = null, ?string $statusCode = null): array {
-		$file = $this->getIndexFilename();
-
-		if (!file_exists($file)) {
-			return [];
-		}
-
-		$file = fopen($file, 'r');
-		fseek($file, 0, \SEEK_END);
-
-		$result = [];
-		while (\count($result) < $limit && $line = $this->readLineFromFile($file)) {
-			$values = str_getcsv($line);
-			[$csvToken, $csvMethod, $csvUrl, $csvTime, $csvParent, $csvStatusCode] = $values;
-			$csvTime = (int)$csvTime;
-
-			if ($url && !str_contains($csvUrl, $url) || $method && !str_contains($csvMethod, $method) || $statusCode && !str_contains($csvStatusCode, $statusCode)) {
-				continue;
-			}
-
-			if (!empty($start) && $csvTime < $start) {
-				continue;
-			}
-
-			if (!empty($end) && $csvTime > $end) {
-				continue;
-			}
-
-			$result[$csvToken] = [
-				'token' => $csvToken,
-				'method' => $csvMethod,
-				'url' => $csvUrl,
-				'time' => $csvTime,
-				'parent' => $csvParent,
-				'status_code' => $csvStatusCode,
-			];
-		}
-
-		fclose($file);
-
-		return array_values($result);
-	}
-
-	public function purge(): void {
-		$flags = \FilesystemIterator::SKIP_DOTS;
-		$iterator = new \RecursiveDirectoryIterator($this->folder, $flags);
-		$iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::CHILD_FIRST);
-
-		foreach ($iterator as $file) {
-			$path = $file->getPathname();
-			if (is_file($path)) {
-				unlink($path);
-			} else {
-				rmdir($path);
-			}
-		}
-	}
-
-	public function read(string $token): ?IProfile {
-		if (!$token || !file_exists($file = $this->getFilename($token))) {
-			return null;
-		}
-
-		if (\function_exists('gzcompress')) {
-			$file = 'compress.zlib://' . $file;
-		}
-
-		return $this->createProfileFromData($token, unserialize(file_get_contents($file)));
-	}
-
-	/**
-	 * @throws \RuntimeException
-	 */
-	public function write(IProfile $profile): bool {
-		$file = $this->getFilename($profile->getToken());
-
-		$profileIndexed = is_file($file);
-		if (!$profileIndexed) {
-			// Create directory
-			$dir = \dirname($file);
-			if (!is_dir($dir) && @mkdir($dir, 0777, true) === false && !is_dir($dir)) {
-				throw new \RuntimeException(sprintf('Unable to create the storage directory (%s).', $dir));
-			}
-		}
-
-		$profileToken = $profile->getToken();
-		// when there are errors in sub-requests, the parent and/or children tokens
-		// may equal the profile token, resulting in infinite loops
-		$parentToken = $profile->getParentToken() !== $profileToken ? $profile->getParentToken() : null;
-		$childrenToken = array_filter(array_map(function (IProfile $p) use ($profileToken) {
-			return $profileToken !== $p->getToken() ? $p->getToken() : null;
-		}, $profile->getChildren()));
-
-		// Store profile
-		$data = [
-			'token' => $profileToken,
-			'parent' => $parentToken,
-			'children' => $childrenToken,
-			'data' => $profile->getCollectors(),
-			'method' => $profile->getMethod(),
-			'url' => $profile->getUrl(),
-			'time' => $profile->getTime(),
-			'status_code' => $profile->getStatusCode(),
-		];
-
-		$context = stream_context_create();
-
-		if (\function_exists('gzcompress')) {
-			$file = 'compress.zlib://' . $file;
-			stream_context_set_option($context, 'zlib', 'level', 3);
-		}
-
-		if (file_put_contents($file, serialize($data), 0, $context) === false) {
-			return false;
-		}
-
-		if (!$profileIndexed) {
-			// Add to index
-			if (false === $file = fopen($this->getIndexFilename(), 'a')) {
-				return false;
-			}
-
-			fputcsv($file, [
-				$profile->getToken(),
-				$profile->getMethod(),
-				$profile->getUrl(),
-				$profile->getTime(),
-				$profile->getParentToken(),
-				$profile->getStatusCode(),
-			], escape: '');
-			fclose($file);
-		}
-
-		return true;
-	}
-
-	/**
-	 * Gets filename to store data, associated to the token.
-	 *
-	 * @return string The profile filename
-	 */
-	protected function getFilename(string $token): string {
-		// Uses 4 last characters, because first are mostly the same.
-		$folderA = substr($token, -2, 2);
-		$folderB = substr($token, -4, 2);
-
-		return $this->folder . '/' . $folderA . '/' . $folderB . '/' . $token;
-	}
-
-	/**
-	 * Gets the index filename.
-	 *
-	 * @return string The index filename
-	 */
-	protected function getIndexFilename(): string {
-		return $this->folder . '/index.csv';
-	}
-
-	/**
-	 * Reads a line in the file, backward.
-	 *
-	 * This function automatically skips the empty lines and do not include the line return in result value.
-	 *
-	 * @param resource $file The file resource, with the pointer placed at the end of the line to read
-	 *
-	 * @return ?string A string representing the line or null if beginning of file is reached
-	 */
-	protected function readLineFromFile($file): ?string {
-		$line = '';
-		$position = ftell($file);
-
-		if ($position === 0) {
-			return null;
-		}
-
-		while (true) {
-			$chunkSize = min($position, 1024);
-			$position -= $chunkSize;
-			fseek($file, $position);
-
-			if ($chunkSize === 0) {
-				// bof reached
-				break;
-			}
-
-			$buffer = fread($file, $chunkSize);
-
-			if (false === ($upTo = strrpos($buffer, "\n"))) {
-				$line = $buffer . $line;
-				continue;
-			}
-
-			$position += $upTo;
-			$line = substr($buffer, $upTo + 1) . $line;
-			fseek($file, max(0, $position), \SEEK_SET);
-
-			if ($line !== '') {
-				break;
-			}
-		}
-
-		return $line === '' ? null : $line;
-	}
-
-	protected function createProfileFromData(string $token, array $data, ?IProfile $parent = null): IProfile {
-		$profile = new Profile($token);
-		$profile->setMethod($data['method']);
-		$profile->setUrl($data['url']);
-		$profile->setTime($data['time']);
-		$profile->setStatusCode($data['status_code']);
-		$profile->setCollectors($data['data']);
-
-		if (!$parent && $data['parent']) {
-			$parent = $this->read($data['parent']);
-		}
-
-		if ($parent) {
-			$profile->setParent($parent);
-		}
-
-		foreach ($data['children'] as $token) {
-			if (!$token || !file_exists($file = $this->getFilename($token))) {
-				continue;
-			}
-
-			if (\function_exists('gzcompress')) {
-				$file = 'compress.zlib://' . $file;
-			}
-
-			$profile->addChild($this->createProfileFromData($token, unserialize(file_get_contents($file)), $profile));
-		}
-
-		return $profile;
-	}
+    // Folder where profiler data are stored.
+    private string $folder;
+
+    /**
+     * Constructs the file storage using a "dsn-like" path.
+     *
+     * Example : "file:/path/to/the/storage/folder"
+     *
+     * @throws \RuntimeException
+     */
+    public function __construct(string $folder) {
+        $this->folder = $folder;
+
+        if (!is_dir($this->folder) && @mkdir($this->folder, 0777, true) === false && !is_dir($this->folder)) {
+            throw new \RuntimeException(sprintf('Unable to create the storage directory (%s).', $this->folder));
+        }
+    }
+
+    public function find(?string $url, ?int $limit, ?string $method, ?int $start = null, ?int $end = null, ?string $statusCode = null): array {
+        $file = $this->getIndexFilename();
+
+        if (!file_exists($file)) {
+            return [];
+        }
+
+        $file = fopen($file, 'r');
+        fseek($file, 0, \SEEK_END);
+
+        $result = [];
+        while (\count($result) < $limit && $line = $this->readLineFromFile($file)) {
+            $values = str_getcsv($line);
+            [$csvToken, $csvMethod, $csvUrl, $csvTime, $csvParent, $csvStatusCode] = $values;
+            $csvTime = (int)$csvTime;
+
+            if ($url && !str_contains($csvUrl, $url) || $method && !str_contains($csvMethod, $method) || $statusCode && !str_contains($csvStatusCode, $statusCode)) {
+                continue;
+            }
+
+            if (!empty($start) && $csvTime < $start) {
+                continue;
+            }
+
+            if (!empty($end) && $csvTime > $end) {
+                continue;
+            }
+
+            $result[$csvToken] = [
+                'token' => $csvToken,
+                'method' => $csvMethod,
+                'url' => $csvUrl,
+                'time' => $csvTime,
+                'parent' => $csvParent,
+                'status_code' => $csvStatusCode,
+            ];
+        }
+
+        fclose($file);
+
+        return array_values($result);
+    }
+
+    public function purge(): void {
+        $flags = \FilesystemIterator::SKIP_DOTS;
+        $iterator = new \RecursiveDirectoryIterator($this->folder, $flags);
+        $iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::CHILD_FIRST);
+
+        foreach ($iterator as $file) {
+            $path = $file->getPathname();
+            if (is_file($path)) {
+                unlink($path);
+            } else {
+                rmdir($path);
+            }
+        }
+    }
+
+    public function read(string $token): ?IProfile {
+        if (!$token || !file_exists($file = $this->getFilename($token))) {
+            return null;
+        }
+
+        if (\function_exists('gzcompress')) {
+            $file = 'compress.zlib://' . $file;
+        }
+
+        return $this->createProfileFromData($token, unserialize(file_get_contents($file)));
+    }
+
+    /**
+     * @throws \RuntimeException
+     */
+    public function write(IProfile $profile): bool {
+        $file = $this->getFilename($profile->getToken());
+
+        $profileIndexed = is_file($file);
+        if (!$profileIndexed) {
+            // Create directory
+            $dir = \dirname($file);
+            if (!is_dir($dir) && @mkdir($dir, 0777, true) === false && !is_dir($dir)) {
+                throw new \RuntimeException(sprintf('Unable to create the storage directory (%s).', $dir));
+            }
+        }
+
+        $profileToken = $profile->getToken();
+        // when there are errors in sub-requests, the parent and/or children tokens
+        // may equal the profile token, resulting in infinite loops
+        $parentToken = $profile->getParentToken() !== $profileToken ? $profile->getParentToken() : null;
+        $childrenToken = array_filter(array_map(function (IProfile $p) use ($profileToken) {
+            return $profileToken !== $p->getToken() ? $p->getToken() : null;
+        }, $profile->getChildren()));
+
+        // Store profile
+        $data = [
+            'token' => $profileToken,
+            'parent' => $parentToken,
+            'children' => $childrenToken,
+            'data' => $profile->getCollectors(),
+            'method' => $profile->getMethod(),
+            'url' => $profile->getUrl(),
+            'time' => $profile->getTime(),
+            'status_code' => $profile->getStatusCode(),
+        ];
+
+        $context = stream_context_create();
+
+        if (\function_exists('gzcompress')) {
+            $file = 'compress.zlib://' . $file;
+            stream_context_set_option($context, 'zlib', 'level', 3);
+        }
+
+        if (file_put_contents($file, serialize($data), 0, $context) === false) {
+            return false;
+        }
+
+        if (!$profileIndexed) {
+            // Add to index
+            if (false === $file = fopen($this->getIndexFilename(), 'a')) {
+                return false;
+            }
+
+            fputcsv($file, [
+                $profile->getToken(),
+                $profile->getMethod(),
+                $profile->getUrl(),
+                $profile->getTime(),
+                $profile->getParentToken(),
+                $profile->getStatusCode(),
+            ], escape: '');
+            fclose($file);
+        }
+
+        return true;
+    }
+
+    /**
+     * Gets filename to store data, associated to the token.
+     *
+     * @return string The profile filename
+     */
+    protected function getFilename(string $token): string {
+        // Uses 4 last characters, because first are mostly the same.
+        $folderA = substr($token, -2, 2);
+        $folderB = substr($token, -4, 2);
+
+        return $this->folder . '/' . $folderA . '/' . $folderB . '/' . $token;
+    }
+
+    /**
+     * Gets the index filename.
+     *
+     * @return string The index filename
+     */
+    protected function getIndexFilename(): string {
+        return $this->folder . '/index.csv';
+    }
+
+    /**
+     * Reads a line in the file, backward.
+     *
+     * This function automatically skips the empty lines and do not include the line return in result value.
+     *
+     * @param resource $file The file resource, with the pointer placed at the end of the line to read
+     *
+     * @return ?string A string representing the line or null if beginning of file is reached
+     */
+    protected function readLineFromFile($file): ?string {
+        $line = '';
+        $position = ftell($file);
+
+        if ($position === 0) {
+            return null;
+        }
+
+        while (true) {
+            $chunkSize = min($position, 1024);
+            $position -= $chunkSize;
+            fseek($file, $position);
+
+            if ($chunkSize === 0) {
+                // bof reached
+                break;
+            }
+
+            $buffer = fread($file, $chunkSize);
+
+            if (false === ($upTo = strrpos($buffer, "\n"))) {
+                $line = $buffer . $line;
+                continue;
+            }
+
+            $position += $upTo;
+            $line = substr($buffer, $upTo + 1) . $line;
+            fseek($file, max(0, $position), \SEEK_SET);
+
+            if ($line !== '') {
+                break;
+            }
+        }
+
+        return $line === '' ? null : $line;
+    }
+
+    protected function createProfileFromData(string $token, array $data, ?IProfile $parent = null): IProfile {
+        $profile = new Profile($token);
+        $profile->setMethod($data['method']);
+        $profile->setUrl($data['url']);
+        $profile->setTime($data['time']);
+        $profile->setStatusCode($data['status_code']);
+        $profile->setCollectors($data['data']);
+
+        if (!$parent && $data['parent']) {
+            $parent = $this->read($data['parent']);
+        }
+
+        if ($parent) {
+            $profile->setParent($parent);
+        }
+
+        foreach ($data['children'] as $token) {
+            if (!$token || !file_exists($file = $this->getFilename($token))) {
+                continue;
+            }
+
+            if (\function_exists('gzcompress')) {
+                $file = 'compress.zlib://' . $file;
+            }
+
+            $profile->addChild($this->createProfileFromData($token, unserialize(file_get_contents($file)), $profile));
+        }
+
+        return $profile;
+    }
 }