Thomas Müller
11 years ago
12 changed files with 6 additions and 240 deletions
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6apps/encryption/lib/keymanager.php
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27apps/files_trashbin/lib/trashbin.php
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14apps/files_versions/lib/storage.php
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9lib/private/cache/file.php
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4lib/private/filechunking.php
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138lib/private/fileproxy.php
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22lib/private/files/view.php
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12lib/private/server.php
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1tests/bootstrap.php
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1tests/lib/cache/file.php
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1tests/lib/cache/usercache.php
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11tests/lib/testcase.php
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<?php |
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/** |
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* @author Bart Visscher <bartv@thisnet.nl> |
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* @author Felix Moeller <mail@felixmoeller.de> |
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* @author Jörn Friedrich Dreyer <jfd@butonic.de> |
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* @author Morris Jobke <hey@morrisjobke.de> |
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* @author Robin Appelman <icewind@owncloud.com> |
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk> |
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* @author Scrutinizer Auto-Fixer <auto-fixer@scrutinizer-ci.com> |
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* @author Thomas Müller <thomas.mueller@tmit.eu> |
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* @author Vincent Petry <pvince81@owncloud.com> |
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* |
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* @copyright Copyright (c) 2015, ownCloud, Inc. |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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|
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/** |
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* Class for manipulating filesystem requests |
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* |
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* Manipulation happens by using 2 kind of proxy operations, pre and post proxies |
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* that manipulate the filesystem call and the result of the call respectively |
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* |
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* A pre-proxy recieves the filepath as arugments (or 2 filespaths in case of |
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* operations like copy or move) and return a boolean |
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* If a pre-proxy returns false the file operation will be canceled |
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* All filesystem operations have a pre-proxy |
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* |
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* A post-proxy recieves 2 arguments, the filepath and the result of the operation. |
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* The return value of the post-proxy will be used as the new result of the operation |
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* The operations that have a post-proxy are: |
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* file_get_contents, is_file, is_dir, file_exists, stat, is_readable, |
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* is_writable, filemtime, filectime, file_get_contents, |
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* getMimeType, hash, fopen, free_space and search |
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*/ |
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|
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class OC_FileProxy{ |
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private static $proxies=array(); |
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public static $enabled=true; |
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|
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/** |
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* fallback function when a proxy operation is not implemented |
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* @param string $function the name of the proxy operation |
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* @param mixed $arguments |
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* |
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* this implements a dummy proxy for all operations |
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*/ |
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public function __call($function, $arguments) { |
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if(substr($function, 0, 3)=='pre') { |
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return true; |
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}else{ |
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return $arguments[1]; |
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} |
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} |
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|
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/** |
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* register a proxy to be used |
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* @param OC_FileProxy $proxy |
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*/ |
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public static function register($proxy) { |
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self::$proxies[]=$proxy; |
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} |
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|
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/** |
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* @param string $operation |
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*/ |
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public static function getProxies($operation = null) { |
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if ($operation === null) { |
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// return all
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return self::$proxies; |
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} |
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$proxies=array(); |
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foreach(self::$proxies as $proxy) { |
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if(method_exists($proxy, $operation)) { |
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$proxies[]=$proxy; |
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} |
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} |
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return $proxies; |
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} |
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|
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/** |
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* @param string $operation |
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* @param string|boolean $filepath |
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*/ |
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public static function runPreProxies($operation,&$filepath,&$filepath2=null) { |
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if(!self::$enabled) { |
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return true; |
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} |
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$operation='pre'.$operation; |
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$proxies=self::getProxies($operation); |
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foreach($proxies as $proxy) { |
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if(!is_null($filepath2)) { |
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if($proxy->$operation($filepath, $filepath2)===false) { |
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return false; |
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} |
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}else{ |
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if($proxy->$operation($filepath)===false) { |
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return false; |
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} |
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} |
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} |
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return true; |
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} |
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|
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/** |
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* @param string $operation |
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* @param string|boolean $path |
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* |
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* @return string |
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*/ |
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public static function runPostProxies($operation, $path, $result) { |
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if(!self::$enabled) { |
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return $result; |
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} |
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$operation='post'.$operation; |
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$proxies=self::getProxies($operation); |
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foreach($proxies as $proxy) { |
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$result=$proxy->$operation($path, $result); |
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} |
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return $result; |
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} |
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|
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public static function clearProxies() { |
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self::$proxies=array(); |
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} |
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} |
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