diff options
Diffstat (limited to 'lib/files.php')
-rw-r--r-- | lib/files.php | 442 |
1 files changed, 103 insertions, 339 deletions
diff --git a/lib/files.php b/lib/files.php index f4e0f140a44..e3245653f99 100644 --- a/lib/files.php +++ b/lib/files.php @@ -1,144 +1,48 @@ <?php /** -* ownCloud -* -* @author Frank Karlitschek -* @copyright 2012 Frank Karlitschek frank@owncloud.org -* -* This library is free software; you can redistribute it and/or -* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE -* License as published by the Free Software Foundation; either -* version 3 of the License, or any later version. -* -* This library is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU AFFERO GENERAL PUBLIC LICENSE for more details. -* -* You should have received a copy of the GNU Affero General Public -* License along with this library. If not, see <http://www.gnu.org/licenses/>. -* -*/ + * ownCloud + * + * @author Frank Karlitschek + * @copyright 2012 Frank Karlitschek frank@owncloud.org + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE + * License as published by the Free Software Foundation; either + * version 3 of the License, or any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU AFFERO GENERAL PUBLIC LICENSE for more details. + * + * You should have received a copy of the GNU Affero General Public + * License along with this library. If not, see <http://www.gnu.org/licenses/>. + * + */ /** * Class for fileserver access * */ class OC_Files { - static $tmpFiles=array(); + static $tmpFiles = array(); - /** - * get the filesystem info - * @param string path - * @return array - * - * returns an associative array with the following keys: - * - size - * - mtime - * - ctime - * - mimetype - * - encrypted - * - versioned - */ - public static function getFileInfo($path) { - $path = OC_Filesystem::normalizePath($path); - if (($path == '/Shared' || substr($path, 0, 8) == '/Shared/') && OC_App::isEnabled('files_sharing')) { - if ($path == '/Shared') { - list($info) = OCP\Share::getItemsSharedWith('file', OC_Share_Backend_File::FORMAT_FILE_APP_ROOT); - } else { - $info = array(); - if (OC_Filesystem::file_exists($path)) { - $info['size'] = OC_Filesystem::filesize($path); - $info['mtime'] = OC_Filesystem::filemtime($path); - $info['ctime'] = OC_Filesystem::filectime($path); - $info['mimetype'] = OC_Filesystem::getMimeType($path); - $info['encrypted'] = false; - $info['versioned'] = false; - } - } - } else { - $info = OC_FileCache::get($path); - } - return $info; - } - - /** - * get the content of a directory - * @param dir $directory path under datadirectory - */ - public static function getDirectoryContent($directory, $mimetype_filter = '') { - $directory=OC_Filesystem::normalizePath($directory); - if($directory=='/') { - $directory=''; - } - $files = array(); - if (($directory == '/Shared' || substr($directory, 0, 8) == '/Shared/') && OC_App::isEnabled('files_sharing')) { - if ($directory == '/Shared') { - $files = OCP\Share::getItemsSharedWith('file', OC_Share_Backend_File::FORMAT_FILE_APP, array('folder' => $directory, 'mimetype_filter' => $mimetype_filter)); - } else { - $pos = strpos($directory, '/', 8); - // Get shared folder name - if ($pos !== false) { - $itemTarget = substr($directory, 7, $pos - 7); - } else { - $itemTarget = substr($directory, 7); - } - $files = OCP\Share::getItemSharedWith('folder', $itemTarget, OC_Share_Backend_File::FORMAT_FILE_APP, array('folder' => $directory, 'mimetype_filter' => $mimetype_filter)); - } - } else { - $files = OC_FileCache::getFolderContent($directory, false, $mimetype_filter); - foreach ($files as &$file) { - $file['directory'] = $directory; - $file['type'] = ($file['mimetype'] == 'httpd/unix-directory') ? 'dir' : 'file'; - $permissions = OCP\PERMISSION_READ; - // NOTE: Remove check when new encryption is merged - if (!$file['encrypted']) { - $permissions |= OCP\PERMISSION_SHARE; - } - if ($file['type'] == 'dir' && $file['writable']) { - $permissions |= OCP\PERMISSION_CREATE; - } - if ($file['writable']) { - $permissions |= OCP\PERMISSION_UPDATE | OCP\PERMISSION_DELETE; - } - $file['permissions'] = $permissions; - } - if ($directory == '' && OC_App::isEnabled('files_sharing')) { - // Add 'Shared' folder - $files = array_merge($files, OCP\Share::getItemsSharedWith('file', OC_Share_Backend_File::FORMAT_FILE_APP_ROOT)); - } - } - usort($files, "fileCmp");//TODO: remove this once ajax is merged - return $files; + static public function getFileInfo($path){ + return \OC\Files\Filesystem::getFileInfo($path); } - public static function searchByMime($mimetype_filter) { - $files = array(); - $dirs_to_check = array(''); - while (!empty($dirs_to_check)) { - // get next subdir to check - $dir = array_pop($dirs_to_check); - $dir_content = self::getDirectoryContent($dir, $mimetype_filter); - foreach($dir_content as $file) { - if ($file['type'] == 'file') { - $files[] = $dir.'/'.$file['name']; - } - else { - $dirs_to_check[] = $dir.'/'.$file['name']; - } - } - } - return $files; + static public function getDirectoryContent($path){ + return \OC\Files\Filesystem::getDirectoryContent($path); } /** - * return the content of a file or return a zip file containning multiply files - * - * @param dir $dir - * @param file $file ; seperated list of files to download - * @param boolean $only_header ; boolean to only send header of the request - */ + * return the content of a file or return a zip file containing multiple files + * + * @param string $dir + * @param string $file ; separated list of files to download + * @param boolean $only_header ; boolean to only send header of the request + */ public static function get($dir, $files, $only_header = false) { $xsendfile = false; if (isset($_SERVER['MOD_X_SENDFILE_ENABLED']) || @@ -149,7 +53,7 @@ class OC_Files { $files=explode(';', $files); } - if(is_array($files)) { + if (is_array($files)) { self::validateZipDownload($dir, $files); $executionTime = intval(ini_get('max_execution_time')); set_time_limit(0); @@ -162,19 +66,20 @@ class OC_Files { if ($zip->open($filename, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE)!==true) { exit("cannot open <$filename>\n"); } - foreach($files as $file) { - $file=$dir.'/'.$file; - if(OC_Filesystem::is_file($file)) { - $tmpFile=OC_Filesystem::toTmpFile($file); - self::$tmpFiles[]=$tmpFile; + foreach ($files as $file) { + $file = $dir . '/' . $file; + if (\OC\Files\Filesystem::is_file($file)) { + $tmpFile = \OC\Files\Filesystem::toTmpFile($file); + self::$tmpFiles[] = $tmpFile; $zip->addFile($tmpFile, basename($file)); - }elseif(OC_Filesystem::is_dir($file)) { + } elseif (\OC\Files\Filesystem::is_dir($file)) { self::zipAddDir($file, $zip); } } $zip->close(); + $name = basename($dir) . '.zip'; set_time_limit($executionTime); - }elseif(OC_Filesystem::is_dir($dir.'/'.$files)) { + } elseif (\OC\Files\Filesystem::is_dir($dir . '/' . $files)) { self::validateZipDownload($dir, $files); $executionTime = intval(ini_get('max_execution_time')); set_time_limit(0); @@ -187,53 +92,55 @@ class OC_Files { if ($zip->open($filename, ZIPARCHIVE::CREATE | ZIPARCHIVE::OVERWRITE)!==true) { exit("cannot open <$filename>\n"); } - $file=$dir.'/'.$files; + $file = $dir . '/' . $files; self::zipAddDir($file, $zip); $zip->close(); + $name = $files . '.zip'; set_time_limit($executionTime); - }else{ - $zip=false; - $filename=$dir.'/'.$files; + } else { + $zip = false; + $filename = $dir . '/' . $files; + $name = $files; } OC_Util::obEnd(); - if($zip or OC_Filesystem::is_readable($filename)) { + if ($zip or \OC\Files\Filesystem::isReadable($filename)) { if ( preg_match( "/MSIE/", $_SERVER["HTTP_USER_AGENT"] ) ) { - header( 'Content-Disposition: attachment; filename="' . rawurlencode( basename($filename) ) . '"' ); + header( 'Content-Disposition: attachment; filename="' . rawurlencode($name) . '"' ); } else { - header( 'Content-Disposition: attachment; filename*=UTF-8\'\'' . rawurlencode( basename($filename) ) - . '; filename="' . rawurlencode( basename($filename) ) . '"' ); + header( 'Content-Disposition: attachment; filename*=UTF-8\'\'' . rawurlencode($name) + . '; filename="' . rawurlencode($name) . '"' ); } header('Content-Transfer-Encoding: binary'); OC_Response::disableCaching(); - if($zip) { + if ($zip) { ini_set('zlib.output_compression', 'off'); header('Content-Type: application/zip'); header('Content-Length: ' . filesize($filename)); self::addSendfileHeader($filename); }else{ - header('Content-Type: '.OC_Filesystem::getMimeType($filename)); - header("Content-Length: ".OC_Filesystem::filesize($filename)); - $storage = OC_Filesystem::getStorage($filename); - if ($storage instanceof OC_Filestorage_Local) { - self::addSendfileHeader(OC_Filesystem::getLocalFile($filename)); + header('Content-Type: '.\OC\Files\Filesystem::getMimeType($filename)); + header("Content-Length: ".\OC\Files\Filesystem::filesize($filename)); + list($storage) = \OC\Files\Filesystem::resolvePath($filename); + if ($storage instanceof \OC\File\Storage\Local) { + self::addSendfileHeader(\OC\Files\Filesystem::getLocalFile($filename)); } } - }elseif($zip or !OC_Filesystem::file_exists($filename)) { + } elseif ($zip or !\OC\Files\Filesystem::file_exists($filename)) { header("HTTP/1.0 404 Not Found"); - $tmpl = new OC_Template( '', '404', 'guest' ); - $tmpl->assign('file', $filename); + $tmpl = new OC_Template('', '404', 'guest'); + $tmpl->assign('file', $name); $tmpl->printPage(); - }else{ + } else { header("HTTP/1.0 403 Forbidden"); die('403 Forbidden'); } if($only_header) { return ; } - if($zip) { - $handle=fopen($filename, 'r'); + if ($zip) { + $handle = fopen($filename, 'r'); if ($handle) { - $chunkSize = 8*1024;// 1 MB chunks + $chunkSize = 8 * 1024; // 1 MB chunks while (!feof($handle)) { echo fread($handle, $chunkSize); flush(); @@ -243,10 +150,10 @@ class OC_Files { unlink($filename); } }else{ - OC_Filesystem::readfile($filename); + \OC\Files\Filesystem::readfile($filename); } - foreach(self::$tmpFiles as $tmpFile) { - if(file_exists($tmpFile) and is_file($tmpFile)) { + foreach (self::$tmpFiles as $tmpFile) { + if (file_exists($tmpFile) and is_file($tmpFile)) { unlink($tmpFile); } } @@ -269,97 +176,27 @@ class OC_Files { foreach($files as $file) { $filename=$file['name']; $file=$dir.'/'.$filename; - if(OC_Filesystem::is_file($file)) { - $tmpFile=OC_Filesystem::toTmpFile($file); + if(\OC\Files\Filesystem::is_file($file)) { + $tmpFile=\OC\Files\Filesystem::toTmpFile($file); OC_Files::$tmpFiles[]=$tmpFile; $zip->addFile($tmpFile, $internalDir.$filename); - }elseif(OC_Filesystem::is_dir($file)) { + }elseif(\OC\Files\Filesystem::is_dir($file)) { self::zipAddDir($file, $zip, $internalDir); } } } - /** - * move a file or folder - * - * @param dir $sourceDir - * @param file $source - * @param dir $targetDir - * @param file $target - */ - public static function move($sourceDir, $source, $targetDir, $target) { - if(OC_User::isLoggedIn() && ($sourceDir != '' || $source != 'Shared')) { - $targetFile=self::normalizePath($targetDir.'/'.$target); - $sourceFile=self::normalizePath($sourceDir.'/'.$source); - return OC_Filesystem::rename($sourceFile, $targetFile); - } else { - return false; - } - } - - /** - * copy a file or folder - * - * @param dir $sourceDir - * @param file $source - * @param dir $targetDir - * @param file $target - */ - public static function copy($sourceDir, $source, $targetDir, $target) { - if(OC_User::isLoggedIn()) { - $targetFile=$targetDir.'/'.$target; - $sourceFile=$sourceDir.'/'.$source; - return OC_Filesystem::copy($sourceFile, $targetFile); - } - } - - /** - * create a new file or folder - * - * @param dir $dir - * @param file $name - * @param type $type - */ - public static function newFile($dir, $name, $type) { - if(OC_User::isLoggedIn()) { - $file=$dir.'/'.$name; - if($type=='dir') { - return OC_Filesystem::mkdir($file); - }elseif($type=='file') { - $fileHandle=OC_Filesystem::fopen($file, 'w'); - if($fileHandle) { - fclose($fileHandle); - return true; - }else{ - return false; - } - } - } - } /** - * deletes a file or folder - * - * @param dir $dir - * @param file $name - */ - public static function delete($dir, $file) { - if(OC_User::isLoggedIn() && ($dir!= '' || $file != 'Shared')) { - $file=$dir.'/'.$file; - return OC_Filesystem::unlink($file); - } - } - - /** - * checks if the selected files are within the size constraint. If not, outputs an error page. - * - * @param dir $dir - * @param files $files - */ + * checks if the selected files are within the size constraint. If not, outputs an error page. + * + * @param dir $dir + * @param files $files + */ static function validateZipDownload($dir, $files) { - if(!OC_Config::getValue('allowZipDownload', true)) { + if (!OC_Config::getValue('allowZipDownload', true)) { $l = OC_L10N::get('lib'); header("HTTP/1.0 409 Conflict"); - $tmpl = new OC_Template( '', 'error', 'user' ); + $tmpl = new OC_Template('', 'error', 'user'); $errors = array( array( 'error' => $l->t('ZIP download is turned off.'), @@ -372,19 +209,19 @@ class OC_Files { } $zipLimit = OC_Config::getValue('maxZipInputSize', OC_Helper::computerFileSize('800 MB')); - if($zipLimit > 0) { + if ($zipLimit > 0) { $totalsize = 0; - if(is_array($files)) { - foreach($files as $file) { - $totalsize += OC_Filesystem::filesize($dir.'/'.$file); + if (is_array($files)) { + foreach ($files as $file) { + $totalsize += \OC\Files\Filesystem::filesize($dir . '/' . $file); } - }else{ - $totalsize += OC_Filesystem::filesize($dir.'/'.$files); + } else { + $totalsize += \OC\Files\Filesystem::filesize($dir . '/' . $files); } - if($totalsize > $zipLimit) { + if ($totalsize > $zipLimit) { $l = OC_L10N::get('lib'); header("HTTP/1.0 409 Conflict"); - $tmpl = new OC_Template( '', 'error', 'user' ); + $tmpl = new OC_Template('', 'error', 'user'); $errors = array( array( 'error' => $l->t('Selected files too large to generate zip file.'), @@ -399,78 +236,31 @@ class OC_Files { } /** - * try to detect the mime type of a file - * - * @param string path - * @return string guessed mime type - */ - static function getMimeType($path) { - return OC_Filesystem::getMimeType($path); - } - - /** - * get a file tree - * - * @param string path - * @return array - */ - static function getTree($path) { - return OC_Filesystem::getTree($path); - } - - /** - * pull a file from a remote server - * @param string source - * @param string token - * @param string dir - * @param string file - * @return string guessed mime type - */ - static function pull($source, $token, $dir, $file) { - $tmpfile=tempnam(get_temp_dir(), 'remoteCloudFile'); - $fp=fopen($tmpfile, 'w+'); - $url=$source.="/files/pull.php?token=$token"; - $ch=curl_init(); - curl_setopt($ch, CURLOPT_URL, $url); - curl_setopt($ch, CURLOPT_FILE, $fp); - curl_exec($ch); - fclose($fp); - $info=curl_getinfo($ch); - $httpCode=$info['http_code']; - curl_close($ch); - if($httpCode==200 or $httpCode==0) { - OC_Filesystem::fromTmpFile($tmpfile, $dir.'/'.$file); - return true; - }else{ - return false; - } - } - - /** * set the maximum upload size limit for apache hosts using .htaccess + * * @param int size filesisze in bytes * @return false on failure, size on success */ static function setUploadLimit($size) { //don't allow user to break his config -- upper boundary - if($size > PHP_INT_MAX) { + if ($size > PHP_INT_MAX) { //max size is always 1 byte lower than computerFileSize returns - if($size > PHP_INT_MAX+1) + if ($size > PHP_INT_MAX + 1) return false; - $size -=1; + $size -= 1; } else { - $size=OC_Helper::humanFileSize($size); - $size=substr($size, 0, -1);//strip the B - $size=str_replace(' ', '', $size); //remove the space between the size and the postfix + $size = OC_Helper::humanFileSize($size); + $size = substr($size, 0, -1); //strip the B + $size = str_replace(' ', '', $size); //remove the space between the size and the postfix } //don't allow user to break his config -- broken or malicious size input - if(intval($size) == 0) { + if (intval($size) == 0) { return false; } - $htaccess = @file_get_contents(OC::$SERVERROOT.'/.htaccess'); //supress errors in case we don't have permissions for - if(!$htaccess) { + $htaccess = @file_get_contents(OC::$SERVERROOT . '/.htaccess'); //supress errors in case we don't have permissions for + if (!$htaccess) { return false; } @@ -479,52 +269,26 @@ class OC_Files { 'post_max_size' ); - foreach($phpValueKeys as $key) { - $pattern = '/php_value '.$key.' (\S)*/'; - $setting = 'php_value '.$key.' '.$size; - $hasReplaced = 0; - $content = preg_replace($pattern, $setting, $htaccess, 1, $hasReplaced); - if($content !== null) { + foreach ($phpValueKeys as $key) { + $pattern = '/php_value ' . $key . ' (\S)*/'; + $setting = 'php_value ' . $key . ' ' . $size; + $hasReplaced = 0; + $content = preg_replace($pattern, $setting, $htaccess, 1, $hasReplaced); + if ($content !== null) { $htaccess = $content; } - if($hasReplaced == 0) { + if ($hasReplaced == 0) { $htaccess .= "\n" . $setting; } } //check for write permissions - if(is_writable(OC::$SERVERROOT.'/.htaccess')) { - file_put_contents(OC::$SERVERROOT.'/.htaccess', $htaccess); + if (is_writable(OC::$SERVERROOT . '/.htaccess')) { + file_put_contents(OC::$SERVERROOT . '/.htaccess', $htaccess); return OC_Helper::computerFileSize($size); } else { - OC_Log::write('files', 'Can\'t write upload limit to '.OC::$SERVERROOT.'/.htaccess. Please check the file permissions', OC_Log::WARN); + OC_Log::write('files', 'Can\'t write upload limit to ' . OC::$SERVERROOT . '/.htaccess. Please check the file permissions', OC_Log::WARN); } - return false; } - - /** - * normalize a path, removing any double, add leading /, etc - * @param string $path - * @return string - */ - static public function normalizePath($path) { - $path='/'.$path; - $old=''; - while($old!=$path) {//replace any multiplicity of slashes with a single one - $old=$path; - $path=str_replace('//', '/', $path); - } - return $path; - } -} - -function fileCmp($a, $b) { - if($a['type']=='dir' and $b['type']!='dir') { - return -1; - }elseif($a['type']!='dir' and $b['type']=='dir') { - return 1; - }else{ - return strnatcasecmp($a['name'], $b['name']); - } } |