创建版本
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@@ -0,0 +1,159 @@
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<?php
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namespace Sabre\DAV\FSExt;
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use Sabre\DAV;
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/**
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* Directory class
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*
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* @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class Directory extends Node implements DAV\ICollection, DAV\IQuota {
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/**
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* Creates a new file in the directory
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*
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* Data will either be supplied as a stream resource, or in certain cases
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* as a string. Keep in mind that you may have to support either.
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*
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* After successful creation of the file, you may choose to return the ETag
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* of the new file here.
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*
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* The returned ETag must be surrounded by double-quotes (The quotes should
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* be part of the actual string).
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*
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* If you cannot accurately determine the ETag, you should not return it.
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* If you don't store the file exactly as-is (you're transforming it
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* somehow) you should also not return an ETag.
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*
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* This means that if a subsequent GET to this new file does not exactly
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* return the same contents of what was submitted here, you are strongly
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* recommended to omit the ETag.
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*
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* @param string $name Name of the file
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* @param resource|string $data Initial payload
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* @return null|string
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*/
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public function createFile($name, $data = null) {
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// We're not allowing dots
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if ($name=='.' || $name=='..') throw new DAV\Exception\Forbidden('Permission denied to . and ..');
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$newPath = $this->path . '/' . $name;
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file_put_contents($newPath,$data);
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return '"' . md5_file($newPath) . '"';
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}
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/**
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* Creates a new subdirectory
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*
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* @param string $name
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* @return void
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*/
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public function createDirectory($name) {
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// We're not allowing dots
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if ($name=='.' || $name=='..') throw new DAV\Exception\Forbidden('Permission denied to . and ..');
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$newPath = $this->path . '/' . $name;
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mkdir($newPath);
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}
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/**
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* Returns a specific child node, referenced by its name
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*
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* This method must throw Sabre\DAV\Exception\NotFound if the node does not
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* exist.
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*
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* @param string $name
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* @throws DAV\Exception\NotFound
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* @return DAV\INode
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*/
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public function getChild($name) {
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$path = $this->path . '/' . $name;
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if (!file_exists($path)) throw new DAV\Exception\NotFound('File could not be located');
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if ($name=='.' || $name=='..') throw new DAV\Exception\Forbidden('Permission denied to . and ..');
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if (is_dir($path)) {
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return new Directory($path);
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} else {
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return new File($path);
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}
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}
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/**
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* Checks if a child exists.
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*
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* @param string $name
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* @return bool
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*/
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public function childExists($name) {
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if ($name=='.' || $name=='..')
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throw new DAV\Exception\Forbidden('Permission denied to . and ..');
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$path = $this->path . '/' . $name;
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return file_exists($path);
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}
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/**
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* Returns an array with all the child nodes
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*
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* @return DAV\INode[]
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*/
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public function getChildren() {
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$nodes = array();
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foreach(scandir($this->path) as $node) if($node!='.' && $node!='..' && $node!='.sabredav') $nodes[] = $this->getChild($node);
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return $nodes;
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}
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/**
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* Deletes all files in this directory, and then itself
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*
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* @return bool
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*/
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public function delete() {
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// Deleting all children
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foreach($this->getChildren() as $child) $child->delete();
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// Removing resource info, if its still around
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if (file_exists($this->path . '/.sabredav')) unlink($this->path . '/.sabredav');
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// Removing the directory itself
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rmdir($this->path);
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return parent::delete();
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}
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/**
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* Returns available diskspace information
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*
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* @return array
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*/
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public function getQuotaInfo() {
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return array(
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disk_total_space($this->path)-disk_free_space($this->path),
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disk_free_space($this->path)
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);
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}
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}
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@@ -0,0 +1,146 @@
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<?php
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namespace Sabre\DAV\FSExt;
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use Sabre\DAV;
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/**
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* File class
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*
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* @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class File extends Node implements DAV\PartialUpdate\IPatchSupport {
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/**
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* Updates the data
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*
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* data is a readable stream resource.
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*
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* @param resource|string $data
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* @return string
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*/
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public function put($data) {
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file_put_contents($this->path,$data);
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return '"' . md5_file($this->path) . '"';
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}
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/**
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* Updates the file based on a range specification.
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*
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* The first argument is the data, which is either a readable stream
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* resource or a string.
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*
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* The second argument is the type of update we're doing.
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* This is either:
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* * 1. append
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* * 2. update based on a start byte
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* * 3. update based on an end byte
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*;
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* The third argument is the start or end byte.
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*
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* After a successful put operation, you may choose to return an ETag. The
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* etag must always be surrounded by double-quotes. These quotes must
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* appear in the actual string you're returning.
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*
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* Clients may use the ETag from a PUT request to later on make sure that
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* when they update the file, the contents haven't changed in the mean
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* time.
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*
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* @param resource|string $data
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* @param int $rangeType
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* @param int $offset
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* @return string|null
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*/
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public function patch($data, $rangeType, $offset = null) {
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switch($rangeType) {
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case 1 :
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$f = fopen($this->path, 'a');
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break;
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case 2 :
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$f = fopen($this->path, 'c');
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fseek($f,$offset);
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break;
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case 3 :
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$f = fopen($this->path, 'c');
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fseek($f, $offset, SEEK_END);
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break;
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}
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if (is_string($data)) {
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fwrite($f, $data);
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} else {
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stream_copy_to_stream($data,$f);
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}
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fclose($f);
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return '"' . md5_file($this->path) . '"';
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}
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/**
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* Returns the data
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*
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* @return resource
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*/
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public function get() {
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return fopen($this->path,'r');
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}
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/**
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* Delete the current file
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*
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* @return bool
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*/
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public function delete() {
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unlink($this->path);
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return parent::delete();
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}
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/**
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* Returns the ETag for a file
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*
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* An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
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* The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
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*
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* Return null if the ETag can not effectively be determined
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*
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* @return string|null
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*/
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public function getETag() {
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return '"' . md5_file($this->path). '"';
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}
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/**
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* Returns the mime-type for a file
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*
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* If null is returned, we'll assume application/octet-stream
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*
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* @return string|null
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*/
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public function getContentType() {
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return null;
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}
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/**
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* Returns the size of the file, in bytes
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*
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* @return int
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*/
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public function getSize() {
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return filesize($this->path);
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}
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}
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@@ -0,0 +1,214 @@
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<?php
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namespace Sabre\DAV\FSExt;
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use Sabre\DAV;
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/**
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* Base node-class
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*
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* The node class implements the method used by both the File and the Directory classes
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*
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* @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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abstract class Node extends DAV\FS\Node implements DAV\IProperties {
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/**
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* Updates properties on this node,
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*
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* @param array $properties
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* @see Sabre\DAV\IProperties::updateProperties
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* @return bool|array
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*/
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public function updateProperties($properties) {
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$resourceData = $this->getResourceData();
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foreach($properties as $propertyName=>$propertyValue) {
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// If it was null, we need to delete the property
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if (is_null($propertyValue)) {
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if (isset($resourceData['properties'][$propertyName])) {
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unset($resourceData['properties'][$propertyName]);
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}
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} else {
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$resourceData['properties'][$propertyName] = $propertyValue;
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}
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}
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$this->putResourceData($resourceData);
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return true;
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}
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/**
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* Returns a list of properties for this nodes.;
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*
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* The properties list is a list of propertynames the client requested, encoded as xmlnamespace#tagName, for example: http://www.example.org/namespace#author
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* If the array is empty, all properties should be returned
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*
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* @param array $properties
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* @return array
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*/
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function getProperties($properties) {
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$resourceData = $this->getResourceData();
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// if the array was empty, we need to return everything
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if (!$properties) return $resourceData['properties'];
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$props = array();
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foreach($properties as $property) {
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if (isset($resourceData['properties'][$property])) $props[$property] = $resourceData['properties'][$property];
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}
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return $props;
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}
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/**
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* Returns the path to the resource file
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*
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* @return string
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*/
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protected function getResourceInfoPath() {
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list($parentDir) = DAV\URLUtil::splitPath($this->path);
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return $parentDir . '/.sabredav';
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}
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/**
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* Returns all the stored resource information
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*
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* @return array
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*/
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protected function getResourceData() {
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$path = $this->getResourceInfoPath();
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if (!file_exists($path)) return array('properties' => array());
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// opening up the file, and creating a shared lock
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$handle = fopen($path,'r');
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flock($handle,LOCK_SH);
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$data = '';
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// Reading data until the eof
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while(!feof($handle)) {
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$data.=fread($handle,8192);
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}
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// We're all good
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fclose($handle);
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// Unserializing and checking if the resource file contains data for this file
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$data = unserialize($data);
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if (!isset($data[$this->getName()])) {
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return array('properties' => array());
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}
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$data = $data[$this->getName()];
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if (!isset($data['properties'])) $data['properties'] = array();
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return $data;
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}
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/**
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* Updates the resource information
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*
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* @param array $newData
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* @return void
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*/
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protected function putResourceData(array $newData) {
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$path = $this->getResourceInfoPath();
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// opening up the file, and creating a shared lock
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$handle = fopen($path,'a+');
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flock($handle,LOCK_EX);
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$data = '';
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rewind($handle);
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// Reading data until the eof
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while(!feof($handle)) {
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$data.=fread($handle,8192);
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}
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// Unserializing and checking if the resource file contains data for this file
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$data = unserialize($data);
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$data[$this->getName()] = $newData;
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ftruncate($handle,0);
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rewind($handle);
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fwrite($handle,serialize($data));
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fclose($handle);
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}
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/**
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* Renames the node
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*
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* @param string $name The new name
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* @return void
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*/
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public function setName($name) {
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list($parentPath, ) = DAV\URLUtil::splitPath($this->path);
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list(, $newName) = DAV\URLUtil::splitPath($name);
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$newPath = $parentPath . '/' . $newName;
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// We're deleting the existing resourcedata, and recreating it
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// for the new path.
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$resourceData = $this->getResourceData();
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$this->deleteResourceData();
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rename($this->path,$newPath);
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$this->path = $newPath;
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$this->putResourceData($resourceData);
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}
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/**
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* @return bool
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*/
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public function deleteResourceData() {
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// When we're deleting this node, we also need to delete any resource information
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$path = $this->getResourceInfoPath();
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if (!file_exists($path)) return true;
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// opening up the file, and creating a shared lock
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$handle = fopen($path,'a+');
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flock($handle,LOCK_EX);
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$data = '';
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rewind($handle);
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// Reading data until the eof
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while(!feof($handle)) {
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$data.=fread($handle,8192);
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}
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// Unserializing and checking if the resource file contains data for this file
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$data = unserialize($data);
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if (isset($data[$this->getName()])) unset($data[$this->getName()]);
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ftruncate($handle,0);
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rewind($handle);
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fwrite($handle,serialize($data));
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fclose($handle);
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return true;
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}
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public function delete() {
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return $this->deleteResourceData();
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}
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}
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Reference in New Issue
Block a user