nextcloud / server

apps/dav/lib/Upload/AssemblyStream.php

Indentation +260 added lines, -260 removed lines

@@ -41,264 +41,264 @@
  */
 class AssemblyStream implements \Icewind\Streams\File {
 
-	/** @var resource */
-	private $context;
-
-	/** @var IFile[] */
-	private $nodes;
-
-	/** @var int */
-	private $pos = 0;
-
-	/** @var int */
-	private $size = 0;
-
-	/** @var resource */
-	private $currentStream = null;
-
-	/** @var int */
-	private $currentNode = 0;
-
-	/** @var int */
-	private $currentNodeRead = 0;
-
-	/**
-	 * @param string $path
-	 * @param string $mode
-	 * @param int $options
-	 * @param string &$opened_path
-	 * @return bool
-	 */
-	public function stream_open($path, $mode, $options, &$opened_path) {
-		$this->loadContext('assembly');
-
-		$nodes = $this->nodes;
-		// https://stackoverflow.com/a/10985500
-		@usort($nodes, function (IFile $a, IFile $b) {
-			return strnatcmp($a->getName(), $b->getName());
-		});
-		$this->nodes = array_values($nodes);
-		$this->size = array_reduce($this->nodes, function ($size, IFile $file) {
-			return $size + $file->getSize();
-		}, 0);
-		return true;
-	}
-
-	/**
-	 * @param int $offset
-	 * @param int $whence
-	 * @return bool
-	 */
-	public function stream_seek($offset, $whence = SEEK_SET) {
-		if ($whence === SEEK_CUR) {
-			$offset = $this->stream_tell() + $offset;
-		} elseif ($whence === SEEK_END) {
-			$offset = $this->size + $offset;
-		}
-
-		if ($offset > $this->size) {
-			return false;
-		}
-
-		$nodeIndex = 0;
-		$nodeStart = 0;
-		while (true) {
-			if (!isset($this->nodes[$nodeIndex + 1])) {
-				break;
-			}
-			$node = $this->nodes[$nodeIndex];
-			if ($nodeStart + $node->getSize() > $offset) {
-				break;
-			}
-			$nodeIndex++;
-			$nodeStart += $node->getSize();
-		}
-
-		$stream = $this->getStream($this->nodes[$nodeIndex]);
-		$nodeOffset = $offset - $nodeStart;
-		if (fseek($stream, $nodeOffset) === -1) {
-			return false;
-		}
-		$this->currentNode = $nodeIndex;
-		$this->currentNodeRead = $nodeOffset;
-		$this->currentStream = $stream;
-		$this->pos = $offset;
-
-		return true;
-	}
-
-	/**
-	 * @return int
-	 */
-	public function stream_tell() {
-		return $this->pos;
-	}
-
-	/**
-	 * @param int $count
-	 * @return string
-	 */
-	public function stream_read($count) {
-		if (is_null($this->currentStream)) {
-			if ($this->currentNode < count($this->nodes)) {
-				$this->currentStream = $this->getStream($this->nodes[$this->currentNode]);
-			} else {
-				return '';
-			}
-		}
-
-		do {
-			$data = fread($this->currentStream, $count);
-			$read = strlen($data);
-			$this->currentNodeRead += $read;
-
-			if (feof($this->currentStream)) {
-				fclose($this->currentStream);
-				$currentNodeSize = $this->nodes[$this->currentNode]->getSize();
-				if ($this->currentNodeRead < $currentNodeSize) {
-					throw new \Exception('Stream from assembly node shorter than expected, got ' . $this->currentNodeRead . ' bytes, expected ' . $currentNodeSize);
-				}
-				$this->currentNode++;
-				$this->currentNodeRead = 0;
-				if ($this->currentNode < count($this->nodes)) {
-					$this->currentStream = $this->getStream($this->nodes[$this->currentNode]);
-				} else {
-					$this->currentStream = null;
-				}
-			}
-			// if no data read, try again with the next node because
-			// returning empty data can make the caller think there is no more
-			// data left to read
-		} while ($read === 0 && !is_null($this->currentStream));
-
-		// update position
-		$this->pos += $read;
-		return $data;
-	}
-
-	/**
-	 * @param string $data
-	 * @return int
-	 */
-	public function stream_write($data) {
-		return false;
-	}
-
-	/**
-	 * @param int $option
-	 * @param int $arg1
-	 * @param int $arg2
-	 * @return bool
-	 */
-	public function stream_set_option($option, $arg1, $arg2) {
-		return false;
-	}
-
-	/**
-	 * @param int $size
-	 * @return bool
-	 */
-	public function stream_truncate($size) {
-		return false;
-	}
-
-	/**
-	 * @return array
-	 */
-	public function stream_stat() {
-		return [
-			'size' => $this->size,
-		];
-	}
-
-	/**
-	 * @param int $operation
-	 * @return bool
-	 */
-	public function stream_lock($operation) {
-		return false;
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function stream_flush() {
-		return false;
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function stream_eof() {
-		return $this->pos >= $this->size || ($this->currentNode >= count($this->nodes) && $this->currentNode === null);
-	}
-
-	/**
-	 * @return bool
-	 */
-	public function stream_close() {
-		return true;
-	}
-
-
-	/**
-	 * Load the source from the stream context and return the context options
-	 *
-	 * @param string $name
-	 * @return array
-	 * @throws \BadMethodCallException
-	 */
-	protected function loadContext($name) {
-		$context = stream_context_get_options($this->context);
-		if (isset($context[$name])) {
-			$context = $context[$name];
-		} else {
-			throw new \BadMethodCallException('Invalid context, "' . $name . '" options not set');
-		}
-		if (isset($context['nodes']) and is_array($context['nodes'])) {
-			$this->nodes = $context['nodes'];
-		} else {
-			throw new \BadMethodCallException('Invalid context, nodes not set');
-		}
-		return $context;
-	}
-
-	/**
-	 * @param IFile[] $nodes
-	 * @return resource
-	 *
-	 * @throws \BadMethodCallException
-	 */
-	public static function wrap(array $nodes) {
-		$context = stream_context_create([
-			'assembly' => [
-				'nodes' => $nodes
-			]
-		]);
-		stream_wrapper_register('assembly', self::class);
-		try {
-			$wrapped = fopen('assembly://', 'r', null, $context);
-		} catch (\BadMethodCallException $e) {
-			stream_wrapper_unregister('assembly');
-			throw $e;
-		}
-		stream_wrapper_unregister('assembly');
-		return $wrapped;
-	}
-
-	/**
-	 * @param IFile $node
-	 * @return resource
-	 */
-	private function getStream(IFile $node) {
-		$data = $node->get();
-		if (is_resource($data)) {
-			return $data;
-		} else {
-			$tmp = fopen('php://temp', 'w+');
-			fwrite($tmp, $data);
-			rewind($tmp);
-			return $tmp;
-		}
-	}
+    /** @var resource */
+    private $context;
+
+    /** @var IFile[] */
+    private $nodes;
+
+    /** @var int */
+    private $pos = 0;
+
+    /** @var int */
+    private $size = 0;
+
+    /** @var resource */
+    private $currentStream = null;
+
+    /** @var int */
+    private $currentNode = 0;
+
+    /** @var int */
+    private $currentNodeRead = 0;
+
+    /**
+     * @param string $path
+     * @param string $mode
+     * @param int $options
+     * @param string &$opened_path
+     * @return bool
+     */
+    public function stream_open($path, $mode, $options, &$opened_path) {
+        $this->loadContext('assembly');
+
+        $nodes = $this->nodes;
+        // https://stackoverflow.com/a/10985500
+        @usort($nodes, function (IFile $a, IFile $b) {
+            return strnatcmp($a->getName(), $b->getName());
+        });
+        $this->nodes = array_values($nodes);
+        $this->size = array_reduce($this->nodes, function ($size, IFile $file) {
+            return $size + $file->getSize();
+        }, 0);
+        return true;
+    }
+
+    /**
+     * @param int $offset
+     * @param int $whence
+     * @return bool
+     */
+    public function stream_seek($offset, $whence = SEEK_SET) {
+        if ($whence === SEEK_CUR) {
+            $offset = $this->stream_tell() + $offset;
+        } elseif ($whence === SEEK_END) {
+            $offset = $this->size + $offset;
+        }
+
+        if ($offset > $this->size) {
+            return false;
+        }
+
+        $nodeIndex = 0;
+        $nodeStart = 0;
+        while (true) {
+            if (!isset($this->nodes[$nodeIndex + 1])) {
+                break;
+            }
+            $node = $this->nodes[$nodeIndex];
+            if ($nodeStart + $node->getSize() > $offset) {
+                break;
+            }
+            $nodeIndex++;
+            $nodeStart += $node->getSize();
+        }
+
+        $stream = $this->getStream($this->nodes[$nodeIndex]);
+        $nodeOffset = $offset - $nodeStart;
+        if (fseek($stream, $nodeOffset) === -1) {
+            return false;
+        }
+        $this->currentNode = $nodeIndex;
+        $this->currentNodeRead = $nodeOffset;
+        $this->currentStream = $stream;
+        $this->pos = $offset;
+
+        return true;
+    }
+
+    /**
+     * @return int
+     */
+    public function stream_tell() {
+        return $this->pos;
+    }
+
+    /**
+     * @param int $count
+     * @return string
+     */
+    public function stream_read($count) {
+        if (is_null($this->currentStream)) {
+            if ($this->currentNode < count($this->nodes)) {
+                $this->currentStream = $this->getStream($this->nodes[$this->currentNode]);
+            } else {
+                return '';
+            }
+        }
+
+        do {
+            $data = fread($this->currentStream, $count);
+            $read = strlen($data);
+            $this->currentNodeRead += $read;
+
+            if (feof($this->currentStream)) {
+                fclose($this->currentStream);
+                $currentNodeSize = $this->nodes[$this->currentNode]->getSize();
+                if ($this->currentNodeRead < $currentNodeSize) {
+                    throw new \Exception('Stream from assembly node shorter than expected, got ' . $this->currentNodeRead . ' bytes, expected ' . $currentNodeSize);
+                }
+                $this->currentNode++;
+                $this->currentNodeRead = 0;
+                if ($this->currentNode < count($this->nodes)) {
+                    $this->currentStream = $this->getStream($this->nodes[$this->currentNode]);
+                } else {
+                    $this->currentStream = null;
+                }
+            }
+            // if no data read, try again with the next node because
+            // returning empty data can make the caller think there is no more
+            // data left to read
+        } while ($read === 0 && !is_null($this->currentStream));
+
+        // update position
+        $this->pos += $read;
+        return $data;
+    }
+
+    /**
+     * @param string $data
+     * @return int
+     */
+    public function stream_write($data) {
+        return false;
+    }
+
+    /**
+     * @param int $option
+     * @param int $arg1
+     * @param int $arg2
+     * @return bool
+     */
+    public function stream_set_option($option, $arg1, $arg2) {
+        return false;
+    }
+
+    /**
+     * @param int $size
+     * @return bool
+     */
+    public function stream_truncate($size) {
+        return false;
+    }
+
+    /**
+     * @return array
+     */
+    public function stream_stat() {
+        return [
+            'size' => $this->size,
+        ];
+    }
+
+    /**
+     * @param int $operation
+     * @return bool
+     */
+    public function stream_lock($operation) {
+        return false;
+    }
+
+    /**
+     * @return bool
+     */
+    public function stream_flush() {
+        return false;
+    }
+
+    /**
+     * @return bool
+     */
+    public function stream_eof() {
+        return $this->pos >= $this->size || ($this->currentNode >= count($this->nodes) && $this->currentNode === null);
+    }
+
+    /**
+     * @return bool
+     */
+    public function stream_close() {
+        return true;
+    }
+
+
+    /**
+     * Load the source from the stream context and return the context options
+     *
+     * @param string $name
+     * @return array
+     * @throws \BadMethodCallException
+     */
+    protected function loadContext($name) {
+        $context = stream_context_get_options($this->context);
+        if (isset($context[$name])) {
+            $context = $context[$name];
+        } else {
+            throw new \BadMethodCallException('Invalid context, "' . $name . '" options not set');
+        }
+        if (isset($context['nodes']) and is_array($context['nodes'])) {
+            $this->nodes = $context['nodes'];
+        } else {
+            throw new \BadMethodCallException('Invalid context, nodes not set');
+        }
+        return $context;
+    }
+
+    /**
+     * @param IFile[] $nodes
+     * @return resource
+     *
+     * @throws \BadMethodCallException
+     */
+    public static function wrap(array $nodes) {
+        $context = stream_context_create([
+            'assembly' => [
+                'nodes' => $nodes
+            ]
+        ]);
+        stream_wrapper_register('assembly', self::class);
+        try {
+            $wrapped = fopen('assembly://', 'r', null, $context);
+        } catch (\BadMethodCallException $e) {
+            stream_wrapper_unregister('assembly');
+            throw $e;
+        }
+        stream_wrapper_unregister('assembly');
+        return $wrapped;
+    }
+
+    /**
+     * @param IFile $node
+     * @return resource
+     */
+    private function getStream(IFile $node) {
+        $data = $node->get();
+        if (is_resource($data)) {
+            return $data;
+        } else {
+            $tmp = fopen('php://temp', 'w+');
+            fwrite($tmp, $data);
+            rewind($tmp);
+            return $tmp;
+        }
+    }
 }

Spacing +4 added lines, -4 removed lines

@@ -74,11 +74,11 @@ 
 
 		$nodes = $this->nodes;
 		// https://stackoverflow.com/a/10985500
-		@usort($nodes, function (IFile $a, IFile $b) {
+		@usort($nodes, function(IFile $a, IFile $b) {
 			return strnatcmp($a->getName(), $b->getName());
 		});
 		$this->nodes = array_values($nodes);
-		$this->size = array_reduce($this->nodes, function ($size, IFile $file) {
+		$this->size = array_reduce($this->nodes, function($size, IFile $file) {
 			return $size + $file->getSize();
 		}, 0);
 		return true;
@@ -156,7 +156,7 @@ 
 				fclose($this->currentStream);
 				$currentNodeSize = $this->nodes[$this->currentNode]->getSize();
 				if ($this->currentNodeRead < $currentNodeSize) {
-					throw new \Exception('Stream from assembly node shorter than expected, got ' . $this->currentNodeRead . ' bytes, expected ' . $currentNodeSize);
+					throw new \Exception('Stream from assembly node shorter than expected, got '.$this->currentNodeRead.' bytes, expected '.$currentNodeSize);
 				}
 				$this->currentNode++;
 				$this->currentNodeRead = 0;
@@ -253,7 +253,7 @@ 
 		if (isset($context[$name])) {
 			$context = $context[$name];
 		} else {
-			throw new \BadMethodCallException('Invalid context, "' . $name . '" options not set');
+			throw new \BadMethodCallException('Invalid context, "'.$name.'" options not set');
 		}
 		if (isset($context['nodes']) and is_array($context['nodes'])) {
 			$this->nodes = $context['nodes'];

apps/workflowengine/lib/Check/RequestRemoteAddress.php

Indentation +142 added lines, -142 removed lines

@@ -27,146 +27,146 @@
 
 class RequestRemoteAddress implements ICheck {
 
-	/** @var IL10N */
-	protected $l;
-
-	/** @var IRequest */
-	protected $request;
-
-	/**
-	 * @param IL10N $l
-	 * @param IRequest $request
-	 */
-	public function __construct(IL10N $l, IRequest $request) {
-		$this->l = $l;
-		$this->request = $request;
-	}
-
-	/**
-	 * @param string $operator
-	 * @param string $value
-	 * @return bool
-	 */
-	public function executeCheck($operator, $value) {
-		$actualValue = $this->request->getRemoteAddress();
-		$decodedValue = explode('/', $value);
-
-		if ($operator === 'matchesIPv4') {
-			return $this->matchIPv4($actualValue, $decodedValue[0], $decodedValue[1]);
-		} elseif ($operator === '!matchesIPv4') {
-			return !$this->matchIPv4($actualValue, $decodedValue[0], $decodedValue[1]);
-		} elseif ($operator === 'matchesIPv6') {
-			return $this->matchIPv6($actualValue, $decodedValue[0], $decodedValue[1]);
-		} else {
-			return !$this->matchIPv6($actualValue, $decodedValue[0], $decodedValue[1]);
-		}
-	}
-
-	/**
-	 * @param string $operator
-	 * @param string $value
-	 * @throws \UnexpectedValueException
-	 */
-	public function validateCheck($operator, $value) {
-		if (!in_array($operator, ['matchesIPv4', '!matchesIPv4', 'matchesIPv6', '!matchesIPv6'])) {
-			throw new \UnexpectedValueException($this->l->t('The given operator is invalid'), 1);
-		}
-
-		$decodedValue = explode('/', $value);
-		if (count($decodedValue) !== 2) {
-			throw new \UnexpectedValueException($this->l->t('The given IP range is invalid'), 2);
-		}
-
-		if (in_array($operator, ['matchesIPv4', '!matchesIPv4'])) {
-			if (!filter_var($decodedValue[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
-				throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv4'), 3);
-			}
-			if ($decodedValue[1] > 32 || $decodedValue[1] <= 0) {
-				throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv4'), 4);
-			}
-		} else {
-			if (!filter_var($decodedValue[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
-				throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv6'), 3);
-			}
-			if ($decodedValue[1] > 128 || $decodedValue[1] <= 0) {
-				throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv6'), 4);
-			}
-		}
-	}
-
-	/**
-	 * Based on https://stackoverflow.com/a/594134
-	 * @param string $ip
-	 * @param string $rangeIp
-	 * @param int $bits
-	 * @return bool
-	 */
-	protected function matchIPv4($ip, $rangeIp, $bits) {
-		$rangeDecimal = ip2long($rangeIp);
-		$ipDecimal = ip2long($ip);
-		$mask = -1 << (32 - $bits);
-		return ($ipDecimal & $mask) === ($rangeDecimal & $mask);
-	}
-
-	/**
-	 * Based on https://stackoverflow.com/a/7951507
-	 * @param string $ip
-	 * @param string $rangeIp
-	 * @param int $bits
-	 * @return bool
-	 */
-	protected function matchIPv6($ip, $rangeIp, $bits) {
-		$ipNet = inet_pton($ip);
-		$binaryIp = $this->ipv6ToBits($ipNet);
-		$ipNetBits = substr($binaryIp, 0, $bits);
-
-		$rangeNet = inet_pton($rangeIp);
-		$binaryRange = $this->ipv6ToBits($rangeNet);
-		$rangeNetBits = substr($binaryRange, 0, $bits);
-
-		return $ipNetBits === $rangeNetBits;
-	}
-
-	/**
-	 * Based on https://stackoverflow.com/a/7951507
-	 * @param string $packedIp
-	 * @return string
-	 */
-	protected function ipv6ToBits($packedIp) {
-		$unpackedIp = unpack('A16', $packedIp);
-		$unpackedIp = str_split($unpackedIp[1]);
-		$binaryIp = '';
-		foreach ($unpackedIp as $char) {
-			$binaryIp .= str_pad(decbin(ord($char)), 8, '0', STR_PAD_LEFT);
-		}
-		return str_pad($binaryIp, 128, '0', STR_PAD_RIGHT);
-	}
-
-	/**
-	 * returns a list of Entities the checker supports. The values must match
-	 * the class name of the entity.
-	 *
-	 * An empty result means the check is universally available.
-	 *
-	 * @since 18.0.0
-	 */
-	public function supportedEntities(): array {
-		return [];
-	}
-
-	/**
-	 * returns whether the operation can be used in the requested scope.
-	 *
-	 * Scope IDs are defined as constants in OCP\WorkflowEngine\IManager. At
-	 * time of writing these are SCOPE_ADMIN and SCOPE_USER.
-	 *
-	 * For possibly unknown future scopes the recommended behaviour is: if
-	 * user scope is permitted, the default behaviour should return `true`,
-	 * otherwise `false`.
-	 *
-	 * @since 18.0.0
-	 */
-	public function isAvailableForScope(int $scope): bool {
-		return true;
-	}
+    /** @var IL10N */
+    protected $l;
+
+    /** @var IRequest */
+    protected $request;
+
+    /**
+     * @param IL10N $l
+     * @param IRequest $request
+     */
+    public function __construct(IL10N $l, IRequest $request) {
+        $this->l = $l;
+        $this->request = $request;
+    }
+
+    /**
+     * @param string $operator
+     * @param string $value
+     * @return bool
+     */
+    public function executeCheck($operator, $value) {
+        $actualValue = $this->request->getRemoteAddress();
+        $decodedValue = explode('/', $value);
+
+        if ($operator === 'matchesIPv4') {
+            return $this->matchIPv4($actualValue, $decodedValue[0], $decodedValue[1]);
+        } elseif ($operator === '!matchesIPv4') {
+            return !$this->matchIPv4($actualValue, $decodedValue[0], $decodedValue[1]);
+        } elseif ($operator === 'matchesIPv6') {
+            return $this->matchIPv6($actualValue, $decodedValue[0], $decodedValue[1]);
+        } else {
+            return !$this->matchIPv6($actualValue, $decodedValue[0], $decodedValue[1]);
+        }
+    }
+
+    /**
+     * @param string $operator
+     * @param string $value
+     * @throws \UnexpectedValueException
+     */
+    public function validateCheck($operator, $value) {
+        if (!in_array($operator, ['matchesIPv4', '!matchesIPv4', 'matchesIPv6', '!matchesIPv6'])) {
+            throw new \UnexpectedValueException($this->l->t('The given operator is invalid'), 1);
+        }
+
+        $decodedValue = explode('/', $value);
+        if (count($decodedValue) !== 2) {
+            throw new \UnexpectedValueException($this->l->t('The given IP range is invalid'), 2);
+        }
+
+        if (in_array($operator, ['matchesIPv4', '!matchesIPv4'])) {
+            if (!filter_var($decodedValue[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
+                throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv4'), 3);
+            }
+            if ($decodedValue[1] > 32 || $decodedValue[1] <= 0) {
+                throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv4'), 4);
+            }
+        } else {
+            if (!filter_var($decodedValue[0], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
+                throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv6'), 3);
+            }
+            if ($decodedValue[1] > 128 || $decodedValue[1] <= 0) {
+                throw new \UnexpectedValueException($this->l->t('The given IP range is not valid for IPv6'), 4);
+            }
+        }
+    }
+
+    /**
+     * Based on https://stackoverflow.com/a/594134
+     * @param string $ip
+     * @param string $rangeIp
+     * @param int $bits
+     * @return bool
+     */
+    protected function matchIPv4($ip, $rangeIp, $bits) {
+        $rangeDecimal = ip2long($rangeIp);
+        $ipDecimal = ip2long($ip);
+        $mask = -1 << (32 - $bits);
+        return ($ipDecimal & $mask) === ($rangeDecimal & $mask);
+    }
+
+    /**
+     * Based on https://stackoverflow.com/a/7951507
+     * @param string $ip
+     * @param string $rangeIp
+     * @param int $bits
+     * @return bool
+     */
+    protected function matchIPv6($ip, $rangeIp, $bits) {
+        $ipNet = inet_pton($ip);
+        $binaryIp = $this->ipv6ToBits($ipNet);
+        $ipNetBits = substr($binaryIp, 0, $bits);
+
+        $rangeNet = inet_pton($rangeIp);
+        $binaryRange = $this->ipv6ToBits($rangeNet);
+        $rangeNetBits = substr($binaryRange, 0, $bits);
+
+        return $ipNetBits === $rangeNetBits;
+    }
+
+    /**
+     * Based on https://stackoverflow.com/a/7951507
+     * @param string $packedIp
+     * @return string
+     */
+    protected function ipv6ToBits($packedIp) {
+        $unpackedIp = unpack('A16', $packedIp);
+        $unpackedIp = str_split($unpackedIp[1]);
+        $binaryIp = '';
+        foreach ($unpackedIp as $char) {
+            $binaryIp .= str_pad(decbin(ord($char)), 8, '0', STR_PAD_LEFT);
+        }
+        return str_pad($binaryIp, 128, '0', STR_PAD_RIGHT);
+    }
+
+    /**
+     * returns a list of Entities the checker supports. The values must match
+     * the class name of the entity.
+     *
+     * An empty result means the check is universally available.
+     *
+     * @since 18.0.0
+     */
+    public function supportedEntities(): array {
+        return [];
+    }
+
+    /**
+     * returns whether the operation can be used in the requested scope.
+     *
+     * Scope IDs are defined as constants in OCP\WorkflowEngine\IManager. At
+     * time of writing these are SCOPE_ADMIN and SCOPE_USER.
+     *
+     * For possibly unknown future scopes the recommended behaviour is: if
+     * user scope is permitted, the default behaviour should return `true`,
+     * otherwise `false`.
+     *
+     * @since 18.0.0
+     */
+    public function isAvailableForScope(int $scope): bool {
+        return true;
+    }
 }