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| <?php | |
| /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ | |
| /** | |
| * File::CSV | |
| * | |
| * PHP versions 4 and 5 | |
| * | |
| * Copyright (c) 1997-2008, | |
| * Vincent Blavet <vincent@phpconcept.net> | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are met: | |
| * | |
| * * Redistributions of source code must retain the above copyright notice, | |
| * this list of conditions and the following disclaimer. | |
| * * Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| * @category File_Formats | |
| * @package Archive_Tar | |
| * @author Vincent Blavet <vincent@phpconcept.net> | |
| * @copyright 1997-2010 The Authors | |
| * @license http://www.opensource.org/licenses/bsd-license.php New BSD License | |
| * @version CVS: $Id$ | |
| * @link http://pear.php.net/package/Archive_Tar | |
| */ | |
| /** | |
| * Note on Drupal 8 porting. | |
| * This file origin is Tar.php, release 1.4.0 (stable) with some code | |
| * from PEAR.php, release 1.9.5 (stable) both at http://pear.php.net. | |
| * To simplify future porting from pear of this file, you should not | |
| * do cosmetic or other non significant changes to this file. | |
| * The following changes have been done: | |
| * Added namespace Drupal\Core\Archiver. | |
| * Removed require_once 'PEAR.php'. | |
| * Added defintion of OS_WINDOWS taken from PEAR.php. | |
| * Renamed class to ArchiveTar. | |
| * Removed extends PEAR from class. | |
| * Removed call parent:: __construct(). | |
| * Changed PEAR::loadExtension($extname) to this->loadExtension($extname). | |
| * Added function loadExtension() taken from PEAR.php. | |
| * Changed all calls of unlink() to drupal_unlink(). | |
| * Changed $this->error_object = &$this->raiseError($p_message) | |
| * to throw new \Exception($p_message). | |
| */ | |
| // Drupal addition. | |
| namespace { | |
| // Drupal removal require_once 'PEAR.php'. | |
| // Drupal addition OS_WINDOWS as defined in PEAR.php. | |
| if (substr(PHP_OS, 0, 3) == 'WIN') { | |
| define('OS_WINDOWS', true); | |
| } else { | |
| define('OS_WINDOWS', false); | |
| } | |
| define('ARCHIVE_TAR_ATT_SEPARATOR', 90001); | |
| define('ARCHIVE_TAR_END_BLOCK', pack("a512", '')); | |
| if (!function_exists('gzopen') && function_exists('gzopen64')) { | |
| function gzopen($filename, $mode, $use_include_path = 0) | |
| { | |
| return gzopen64($filename, $mode, $use_include_path); | |
| } | |
| } | |
| if (!function_exists('gztell') && function_exists('gztell64')) { | |
| function gztell($zp) | |
| { | |
| return gztell64($zp); | |
| } | |
| } | |
| if (!function_exists('gzseek') && function_exists('gzseek64')) { | |
| function gzseek($zp, $offset, $whence = SEEK_SET) | |
| { | |
| return gzseek64($zp, $offset, $whence); | |
| } | |
| } | |
| } | |
| // Drupal addition. | |
| namespace Drupal\Core\Archiver { | |
| /** | |
| * Creates a (compressed) Tar archive | |
| * | |
| * @package Archive_Tar | |
| * @author Vincent Blavet <vincent@phpconcept.net> | |
| * @license http://www.opensource.org/licenses/bsd-license.php New BSD License | |
| * @version $Revision$ | |
| */ | |
| // Drupal change class Archive_Tar extends PEAR. | |
| class ArchiveTar | |
| { | |
| /** | |
| * @var string Name of the Tar | |
| */ | |
| public $_tarname = ''; | |
| /** | |
| * @var boolean if true, the Tar file will be gzipped | |
| */ | |
| public $_compress = false; | |
| /** | |
| * @var string Type of compression : 'none', 'gz', 'bz2' or 'lzma2' | |
| */ | |
| public $_compress_type = 'none'; | |
| /** | |
| * @var string Explode separator | |
| */ | |
| public $_separator = ' '; | |
| /** | |
| * @var file descriptor | |
| */ | |
| public $_file = 0; | |
| /** | |
| * @var string Local Tar name of a remote Tar (http:// or ftp://) | |
| */ | |
| public $_temp_tarname = ''; | |
| /** | |
| * @var string regular expression for ignoring files or directories | |
| */ | |
| public $_ignore_regexp = ''; | |
| /** | |
| * @var object PEAR_Error object | |
| */ | |
| public $error_object = null; | |
| /** | |
| * Archive_Tar Class constructor. This flavour of the constructor only | |
| * declare a new Archive_Tar object, identifying it by the name of the | |
| * tar file. | |
| * If the compress argument is set the tar will be read or created as a | |
| * gzip or bz2 compressed TAR file. | |
| * | |
| * @param string $p_tarname The name of the tar archive to create | |
| * @param string $p_compress can be null, 'gz', 'bz2' or 'lzma2'. This | |
| * parameter indicates if gzip, bz2 or lzma2 compression | |
| * is required. For compatibility reason the | |
| * boolean value 'true' means 'gz'. | |
| * | |
| * @return bool | |
| */ | |
| public function __construct($p_tarname, $p_compress = null) | |
| { | |
| // Drupal removal parent::__construct(). | |
| $this->_compress = false; | |
| $this->_compress_type = 'none'; | |
| if (($p_compress === null) || ($p_compress == '')) { | |
| if (@file_exists($p_tarname)) { | |
| if ($fp = @fopen($p_tarname, "rb")) { | |
| // look for gzip magic cookie | |
| $data = fread($fp, 2); | |
| fclose($fp); | |
| if ($data == "\37\213") { | |
| $this->_compress = true; | |
| $this->_compress_type = 'gz'; | |
| // No sure it's enought for a magic code .... | |
| } elseif ($data == "BZ") { | |
| $this->_compress = true; | |
| $this->_compress_type = 'bz2'; | |
| } elseif (file_get_contents($p_tarname, false, null, 1, 4) == '7zXZ') { | |
| $this->_compress = true; | |
| $this->_compress_type = 'lzma2'; | |
| } | |
| } | |
| } else { | |
| // probably a remote file or some file accessible | |
| // through a stream interface | |
| if (substr($p_tarname, -2) == 'gz') { | |
| $this->_compress = true; | |
| $this->_compress_type = 'gz'; | |
| } elseif ((substr($p_tarname, -3) == 'bz2') || | |
| (substr($p_tarname, -2) == 'bz') | |
| ) { | |
| $this->_compress = true; | |
| $this->_compress_type = 'bz2'; | |
| } else { | |
| if (substr($p_tarname, -2) == 'xz') { | |
| $this->_compress = true; | |
| $this->_compress_type = 'lzma2'; | |
| } | |
| } | |
| } | |
| } else { | |
| if (($p_compress === true) || ($p_compress == 'gz')) { | |
| $this->_compress = true; | |
| $this->_compress_type = 'gz'; | |
| } else { | |
| if ($p_compress == 'bz2') { | |
| $this->_compress = true; | |
| $this->_compress_type = 'bz2'; | |
| } else { | |
| if ($p_compress == 'lzma2') { | |
| $this->_compress = true; | |
| $this->_compress_type = 'lzma2'; | |
| } else { | |
| $this->_error( | |
| "Unsupported compression type '$p_compress'\n" . | |
| "Supported types are 'gz', 'bz2' and 'lzma2'.\n" | |
| ); | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| $this->_tarname = $p_tarname; | |
| if ($this->_compress) { // assert zlib or bz2 or xz extension support | |
| if ($this->_compress_type == 'gz') { | |
| $extname = 'zlib'; | |
| } else { | |
| if ($this->_compress_type == 'bz2') { | |
| $extname = 'bz2'; | |
| } else { | |
| if ($this->_compress_type == 'lzma2') { | |
| $extname = 'xz'; | |
| } | |
| } | |
| } | |
| if (!extension_loaded($extname)) { | |
| // Drupal change PEAR::loadExtension($extname). | |
| $this->loadExtension($extname); | |
| } | |
| if (!extension_loaded($extname)) { | |
| $this->_error( | |
| "The extension '$extname' couldn't be found.\n" . | |
| "Please make sure your version of PHP was built " . | |
| "with '$extname' support.\n" | |
| ); | |
| return false; | |
| } | |
| } | |
| } | |
| public function __destruct() | |
| { | |
| $this->_close(); | |
| // ----- Look for a local copy to delete | |
| if ($this->_temp_tarname != '') { | |
| @drupal_unlink($this->_temp_tarname); | |
| } | |
| } | |
| // Drupal addition from PEAR.php. | |
| /** | |
| * OS independent PHP extension load. Remember to take care | |
| * on the correct extension name for case sensitive OSes. | |
| * | |
| * @param string $ext The extension name | |
| * @return bool Success or not on the dl() call | |
| */ | |
| function loadExtension($ext) | |
| { | |
| if (extension_loaded($ext)) { | |
| return true; | |
| } | |
| // if either returns true dl() will produce a FATAL error, stop that | |
| if ( | |
| function_exists('dl') === false || | |
| ini_get('enable_dl') != 1 || | |
| ini_get('safe_mode') == 1 | |
| ) { | |
| return false; | |
| } | |
| if (OS_WINDOWS) { | |
| $suffix = '.dll'; | |
| } elseif (PHP_OS == 'HP-UX') { | |
| $suffix = '.sl'; | |
| } elseif (PHP_OS == 'AIX') { | |
| $suffix = '.a'; | |
| } elseif (PHP_OS == 'OSX') { | |
| $suffix = '.bundle'; | |
| } else { | |
| $suffix = '.so'; | |
| } | |
| return @dl('php_'.$ext.$suffix) || @dl($ext.$suffix); | |
| } | |
| /** | |
| * This method creates the archive file and add the files / directories | |
| * that are listed in $p_filelist. | |
| * If a file with the same name exist and is writable, it is replaced | |
| * by the new tar. | |
| * The method return false and a PEAR error text. | |
| * The $p_filelist parameter can be an array of string, each string | |
| * representing a filename or a directory name with their path if | |
| * needed. It can also be a single string with names separated by a | |
| * single blank. | |
| * For each directory added in the archive, the files and | |
| * sub-directories are also added. | |
| * See also createModify() method for more details. | |
| * | |
| * @param array $p_filelist An array of filenames and directory names, or a | |
| * single string with names separated by a single | |
| * blank space. | |
| * | |
| * @return true on success, false on error. | |
| * @see createModify() | |
| */ | |
| public function create($p_filelist) | |
| { | |
| return $this->createModify($p_filelist, '', ''); | |
| } | |
| /** | |
| * This method add the files / directories that are listed in $p_filelist in | |
| * the archive. If the archive does not exist it is created. | |
| * The method return false and a PEAR error text. | |
| * The files and directories listed are only added at the end of the archive, | |
| * even if a file with the same name is already archived. | |
| * See also createModify() method for more details. | |
| * | |
| * @param array $p_filelist An array of filenames and directory names, or a | |
| * single string with names separated by a single | |
| * blank space. | |
| * | |
| * @return true on success, false on error. | |
| * @see createModify() | |
| * @access public | |
| */ | |
| public function add($p_filelist) | |
| { | |
| return $this->addModify($p_filelist, '', ''); | |
| } | |
| /** | |
| * @param string $p_path | |
| * @param bool $p_preserve | |
| * @return bool | |
| */ | |
| public function extract($p_path = '', $p_preserve = false) | |
| { | |
| return $this->extractModify($p_path, '', $p_preserve); | |
| } | |
| /** | |
| * @return array|int | |
| */ | |
| public function listContent() | |
| { | |
| $v_list_detail = array(); | |
| if ($this->_openRead()) { | |
| if (!$this->_extractList('', $v_list_detail, "list", '', '')) { | |
| unset($v_list_detail); | |
| $v_list_detail = 0; | |
| } | |
| $this->_close(); | |
| } | |
| return $v_list_detail; | |
| } | |
| /** | |
| * This method creates the archive file and add the files / directories | |
| * that are listed in $p_filelist. | |
| * If the file already exists and is writable, it is replaced by the | |
| * new tar. It is a create and not an add. If the file exists and is | |
| * read-only or is a directory it is not replaced. The method return | |
| * false and a PEAR error text. | |
| * The $p_filelist parameter can be an array of string, each string | |
| * representing a filename or a directory name with their path if | |
| * needed. It can also be a single string with names separated by a | |
| * single blank. | |
| * The path indicated in $p_remove_dir will be removed from the | |
| * memorized path of each file / directory listed when this path | |
| * exists. By default nothing is removed (empty path '') | |
| * The path indicated in $p_add_dir will be added at the beginning of | |
| * the memorized path of each file / directory listed. However it can | |
| * be set to empty ''. The adding of a path is done after the removing | |
| * of path. | |
| * The path add/remove ability enables the user to prepare an archive | |
| * for extraction in a different path than the origin files are. | |
| * See also addModify() method for file adding properties. | |
| * | |
| * @param array $p_filelist An array of filenames and directory names, | |
| * or a single string with names separated by | |
| * a single blank space. | |
| * @param string $p_add_dir A string which contains a path to be added | |
| * to the memorized path of each element in | |
| * the list. | |
| * @param string $p_remove_dir A string which contains a path to be | |
| * removed from the memorized path of each | |
| * element in the list, when relevant. | |
| * | |
| * @return boolean true on success, false on error. | |
| * @see addModify() | |
| */ | |
| public function createModify($p_filelist, $p_add_dir, $p_remove_dir = '') | |
| { | |
| $v_result = true; | |
| if (!$this->_openWrite()) { | |
| return false; | |
| } | |
| if ($p_filelist != '') { | |
| if (is_array($p_filelist)) { | |
| $v_list = $p_filelist; | |
| } elseif (is_string($p_filelist)) { | |
| $v_list = explode($this->_separator, $p_filelist); | |
| } else { | |
| $this->_cleanFile(); | |
| $this->_error('Invalid file list'); | |
| return false; | |
| } | |
| $v_result = $this->_addList($v_list, $p_add_dir, $p_remove_dir); | |
| } | |
| if ($v_result) { | |
| $this->_writeFooter(); | |
| $this->_close(); | |
| } else { | |
| $this->_cleanFile(); | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * This method add the files / directories listed in $p_filelist at the | |
| * end of the existing archive. If the archive does not yet exists it | |
| * is created. | |
| * The $p_filelist parameter can be an array of string, each string | |
| * representing a filename or a directory name with their path if | |
| * needed. It can also be a single string with names separated by a | |
| * single blank. | |
| * The path indicated in $p_remove_dir will be removed from the | |
| * memorized path of each file / directory listed when this path | |
| * exists. By default nothing is removed (empty path '') | |
| * The path indicated in $p_add_dir will be added at the beginning of | |
| * the memorized path of each file / directory listed. However it can | |
| * be set to empty ''. The adding of a path is done after the removing | |
| * of path. | |
| * The path add/remove ability enables the user to prepare an archive | |
| * for extraction in a different path than the origin files are. | |
| * If a file/dir is already in the archive it will only be added at the | |
| * end of the archive. There is no update of the existing archived | |
| * file/dir. However while extracting the archive, the last file will | |
| * replace the first one. This results in a none optimization of the | |
| * archive size. | |
| * If a file/dir does not exist the file/dir is ignored. However an | |
| * error text is send to PEAR error. | |
| * If a file/dir is not readable the file/dir is ignored. However an | |
| * error text is send to PEAR error. | |
| * | |
| * @param array $p_filelist An array of filenames and directory | |
| * names, or a single string with names | |
| * separated by a single blank space. | |
| * @param string $p_add_dir A string which contains a path to be | |
| * added to the memorized path of each | |
| * element in the list. | |
| * @param string $p_remove_dir A string which contains a path to be | |
| * removed from the memorized path of | |
| * each element in the list, when | |
| * relevant. | |
| * | |
| * @return true on success, false on error. | |
| */ | |
| public function addModify($p_filelist, $p_add_dir, $p_remove_dir = '') | |
| { | |
| $v_result = true; | |
| if (!$this->_isArchive()) { | |
| $v_result = $this->createModify( | |
| $p_filelist, | |
| $p_add_dir, | |
| $p_remove_dir | |
| ); | |
| } else { | |
| if (is_array($p_filelist)) { | |
| $v_list = $p_filelist; | |
| } elseif (is_string($p_filelist)) { | |
| $v_list = explode($this->_separator, $p_filelist); | |
| } else { | |
| $this->_error('Invalid file list'); | |
| return false; | |
| } | |
| $v_result = $this->_append($v_list, $p_add_dir, $p_remove_dir); | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * This method add a single string as a file at the | |
| * end of the existing archive. If the archive does not yet exists it | |
| * is created. | |
| * | |
| * @param string $p_filename A string which contains the full | |
| * filename path that will be associated | |
| * with the string. | |
| * @param string $p_string The content of the file added in | |
| * the archive. | |
| * @param bool|int $p_datetime A custom date/time (unix timestamp) | |
| * for the file (optional). | |
| * @param array $p_params An array of optional params: | |
| * stamp => the datetime (replaces | |
| * datetime above if it exists) | |
| * mode => the permissions on the | |
| * file (600 by default) | |
| * type => is this a link? See the | |
| * tar specification for details. | |
| * (default = regular file) | |
| * uid => the user ID of the file | |
| * (default = 0 = root) | |
| * gid => the group ID of the file | |
| * (default = 0 = root) | |
| * | |
| * @return true on success, false on error. | |
| */ | |
| public function addString($p_filename, $p_string, $p_datetime = false, $p_params = array()) | |
| { | |
| $p_stamp = @$p_params["stamp"] ? $p_params["stamp"] : ($p_datetime ? $p_datetime : time()); | |
| $p_mode = @$p_params["mode"] ? $p_params["mode"] : 0600; | |
| $p_type = @$p_params["type"] ? $p_params["type"] : ""; | |
| $p_uid = @$p_params["uid"] ? $p_params["uid"] : ""; | |
| $p_gid = @$p_params["gid"] ? $p_params["gid"] : ""; | |
| $v_result = true; | |
| if (!$this->_isArchive()) { | |
| if (!$this->_openWrite()) { | |
| return false; | |
| } | |
| $this->_close(); | |
| } | |
| if (!$this->_openAppend()) { | |
| return false; | |
| } | |
| // Need to check the get back to the temporary file ? .... | |
| $v_result = $this->_addString($p_filename, $p_string, $p_datetime, $p_params); | |
| $this->_writeFooter(); | |
| $this->_close(); | |
| return $v_result; | |
| } | |
| /** | |
| * This method extract all the content of the archive in the directory | |
| * indicated by $p_path. When relevant the memorized path of the | |
| * files/dir can be modified by removing the $p_remove_path path at the | |
| * beginning of the file/dir path. | |
| * While extracting a file, if the directory path does not exists it is | |
| * created. | |
| * While extracting a file, if the file already exists it is replaced | |
| * without looking for last modification date. | |
| * While extracting a file, if the file already exists and is write | |
| * protected, the extraction is aborted. | |
| * While extracting a file, if a directory with the same name already | |
| * exists, the extraction is aborted. | |
| * While extracting a directory, if a file with the same name already | |
| * exists, the extraction is aborted. | |
| * While extracting a file/directory if the destination directory exist | |
| * and is write protected, or does not exist but can not be created, | |
| * the extraction is aborted. | |
| * If after extraction an extracted file does not show the correct | |
| * stored file size, the extraction is aborted. | |
| * When the extraction is aborted, a PEAR error text is set and false | |
| * is returned. However the result can be a partial extraction that may | |
| * need to be manually cleaned. | |
| * | |
| * @param string $p_path The path of the directory where the | |
| * files/dir need to by extracted. | |
| * @param string $p_remove_path Part of the memorized path that can be | |
| * removed if present at the beginning of | |
| * the file/dir path. | |
| * @param boolean $p_preserve Preserve user/group ownership of files | |
| * | |
| * @return boolean true on success, false on error. | |
| * @see extractList() | |
| */ | |
| public function extractModify($p_path, $p_remove_path, $p_preserve = false) | |
| { | |
| $v_result = true; | |
| $v_list_detail = array(); | |
| if ($v_result = $this->_openRead()) { | |
| $v_result = $this->_extractList( | |
| $p_path, | |
| $v_list_detail, | |
| "complete", | |
| 0, | |
| $p_remove_path, | |
| $p_preserve | |
| ); | |
| $this->_close(); | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * This method extract from the archive one file identified by $p_filename. | |
| * The return value is a string with the file content, or NULL on error. | |
| * | |
| * @param string $p_filename The path of the file to extract in a string. | |
| * | |
| * @return a string with the file content or NULL. | |
| */ | |
| public function extractInString($p_filename) | |
| { | |
| if ($this->_openRead()) { | |
| $v_result = $this->_extractInString($p_filename); | |
| $this->_close(); | |
| } else { | |
| $v_result = null; | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * This method extract from the archive only the files indicated in the | |
| * $p_filelist. These files are extracted in the current directory or | |
| * in the directory indicated by the optional $p_path parameter. | |
| * If indicated the $p_remove_path can be used in the same way as it is | |
| * used in extractModify() method. | |
| * | |
| * @param array $p_filelist An array of filenames and directory names, | |
| * or a single string with names separated | |
| * by a single blank space. | |
| * @param string $p_path The path of the directory where the | |
| * files/dir need to by extracted. | |
| * @param string $p_remove_path Part of the memorized path that can be | |
| * removed if present at the beginning of | |
| * the file/dir path. | |
| * @param boolean $p_preserve Preserve user/group ownership of files | |
| * | |
| * @return true on success, false on error. | |
| * @see extractModify() | |
| */ | |
| public function extractList($p_filelist, $p_path = '', $p_remove_path = '', $p_preserve = false) | |
| { | |
| $v_result = true; | |
| $v_list_detail = array(); | |
| if (is_array($p_filelist)) { | |
| $v_list = $p_filelist; | |
| } elseif (is_string($p_filelist)) { | |
| $v_list = explode($this->_separator, $p_filelist); | |
| } else { | |
| $this->_error('Invalid string list'); | |
| return false; | |
| } | |
| if ($v_result = $this->_openRead()) { | |
| $v_result = $this->_extractList( | |
| $p_path, | |
| $v_list_detail, | |
| "partial", | |
| $v_list, | |
| $p_remove_path, | |
| $p_preserve | |
| ); | |
| $this->_close(); | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * This method set specific attributes of the archive. It uses a variable | |
| * list of parameters, in the format attribute code + attribute values : | |
| * $arch->setAttribute(ARCHIVE_TAR_ATT_SEPARATOR, ','); | |
| * | |
| * @return true on success, false on error. | |
| */ | |
| public function setAttribute() | |
| { | |
| $v_result = true; | |
| // ----- Get the number of variable list of arguments | |
| if (($v_size = func_num_args()) == 0) { | |
| return true; | |
| } | |
| // ----- Get the arguments | |
| $v_att_list = & func_get_args(); | |
| // ----- Read the attributes | |
| $i = 0; | |
| while ($i < $v_size) { | |
| // ----- Look for next option | |
| switch ($v_att_list[$i]) { | |
| // ----- Look for options that request a string value | |
| case ARCHIVE_TAR_ATT_SEPARATOR : | |
| // ----- Check the number of parameters | |
| if (($i + 1) >= $v_size) { | |
| $this->_error( | |
| 'Invalid number of parameters for ' | |
| . 'attribute ARCHIVE_TAR_ATT_SEPARATOR' | |
| ); | |
| return false; | |
| } | |
| // ----- Get the value | |
| $this->_separator = $v_att_list[$i + 1]; | |
| $i++; | |
| break; | |
| default : | |
| $this->_error('Unknown attribute code ' . $v_att_list[$i] . ''); | |
| return false; | |
| } | |
| // ----- Next attribute | |
| $i++; | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * This method sets the regular expression for ignoring files and directories | |
| * at import, for example: | |
| * $arch->setIgnoreRegexp("#CVS|\.svn#"); | |
| * | |
| * @param string $regexp regular expression defining which files or directories to ignore | |
| */ | |
| public function setIgnoreRegexp($regexp) | |
| { | |
| $this->_ignore_regexp = $regexp; | |
| } | |
| /** | |
| * This method sets the regular expression for ignoring all files and directories | |
| * matching the filenames in the array list at import, for example: | |
| * $arch->setIgnoreList(array('CVS', '.svn', 'bin/tool')); | |
| * | |
| * @param array $list a list of file or directory names to ignore | |
| * | |
| * @access public | |
| */ | |
| public function setIgnoreList($list) | |
| { | |
| $regexp = str_replace(array('#', '.', '^', '$'), array('\#', '\.', '\^', '\$'), $list); | |
| $regexp = '#/' . join('$|/', $list) . '#'; | |
| $this->setIgnoreRegexp($regexp); | |
| } | |
| /** | |
| * @param string $p_message | |
| */ | |
| public function _error($p_message) | |
| { | |
| // Drupal change $this->error_object = $this->raiseError($p_message). | |
| throw new \Exception($p_message); | |
| } | |
| /** | |
| * @param string $p_message | |
| */ | |
| public function _warning($p_message) | |
| { | |
| // Drupal change $this->error_object = $this->raiseError($p_message). | |
| throw new \Exception($p_message); | |
| } | |
| /** | |
| * @param string $p_filename | |
| * @return bool | |
| */ | |
| public function _isArchive($p_filename = null) | |
| { | |
| if ($p_filename == null) { | |
| $p_filename = $this->_tarname; | |
| } | |
| clearstatcache(); | |
| return @is_file($p_filename) && !@is_link($p_filename); | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public function _openWrite() | |
| { | |
| if ($this->_compress_type == 'gz' && function_exists('gzopen')) { | |
| $this->_file = @gzopen($this->_tarname, "wb9"); | |
| } else { | |
| if ($this->_compress_type == 'bz2' && function_exists('bzopen')) { | |
| $this->_file = @bzopen($this->_tarname, "w"); | |
| } else { | |
| if ($this->_compress_type == 'lzma2' && function_exists('xzopen')) { | |
| $this->_file = @xzopen($this->_tarname, 'w'); | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| $this->_file = @fopen($this->_tarname, "wb"); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| if ($this->_file == 0) { | |
| $this->_error( | |
| 'Unable to open in write mode \'' | |
| . $this->_tarname . '\'' | |
| ); | |
| return false; | |
| } | |
| return true; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public function _openRead() | |
| { | |
| if (strtolower(substr($this->_tarname, 0, 7)) == 'http://') { | |
| // ----- Look if a local copy need to be done | |
| if ($this->_temp_tarname == '') { | |
| $this->_temp_tarname = uniqid('tar') . '.tmp'; | |
| if (!$v_file_from = @fopen($this->_tarname, 'rb')) { | |
| $this->_error( | |
| 'Unable to open in read mode \'' | |
| . $this->_tarname . '\'' | |
| ); | |
| $this->_temp_tarname = ''; | |
| return false; | |
| } | |
| if (!$v_file_to = @fopen($this->_temp_tarname, 'wb')) { | |
| $this->_error( | |
| 'Unable to open in write mode \'' | |
| . $this->_temp_tarname . '\'' | |
| ); | |
| $this->_temp_tarname = ''; | |
| return false; | |
| } | |
| while ($v_data = @fread($v_file_from, 1024)) { | |
| @fwrite($v_file_to, $v_data); | |
| } | |
| @fclose($v_file_from); | |
| @fclose($v_file_to); | |
| } | |
| // ----- File to open if the local copy | |
| $v_filename = $this->_temp_tarname; | |
| } else { | |
| // ----- File to open if the normal Tar file | |
| $v_filename = $this->_tarname; | |
| } | |
| if ($this->_compress_type == 'gz' && function_exists('gzopen')) { | |
| $this->_file = @gzopen($v_filename, "rb"); | |
| } else { | |
| if ($this->_compress_type == 'bz2' && function_exists('bzopen')) { | |
| $this->_file = @bzopen($v_filename, "r"); | |
| } else { | |
| if ($this->_compress_type == 'lzma2' && function_exists('xzopen')) { | |
| $this->_file = @xzopen($v_filename, "r"); | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| $this->_file = @fopen($v_filename, "rb"); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| if ($this->_file == 0) { | |
| $this->_error('Unable to open in read mode \'' . $v_filename . '\''); | |
| return false; | |
| } | |
| return true; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public function _openReadWrite() | |
| { | |
| if ($this->_compress_type == 'gz') { | |
| $this->_file = @gzopen($this->_tarname, "r+b"); | |
| } else { | |
| if ($this->_compress_type == 'bz2') { | |
| $this->_error( | |
| 'Unable to open bz2 in read/write mode \'' | |
| . $this->_tarname . '\' (limitation of bz2 extension)' | |
| ); | |
| return false; | |
| } else { | |
| if ($this->_compress_type == 'lzma2') { | |
| $this->_error( | |
| 'Unable to open lzma2 in read/write mode \'' | |
| . $this->_tarname . '\' (limitation of lzma2 extension)' | |
| ); | |
| return false; | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| $this->_file = @fopen($this->_tarname, "r+b"); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| if ($this->_file == 0) { | |
| $this->_error( | |
| 'Unable to open in read/write mode \'' | |
| . $this->_tarname . '\'' | |
| ); | |
| return false; | |
| } | |
| return true; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public function _close() | |
| { | |
| //if (isset($this->_file)) { | |
| if (is_resource($this->_file)) { | |
| if ($this->_compress_type == 'gz') { | |
| @gzclose($this->_file); | |
| } else { | |
| if ($this->_compress_type == 'bz2') { | |
| @bzclose($this->_file); | |
| } else { | |
| if ($this->_compress_type == 'lzma2') { | |
| @xzclose($this->_file); | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| @fclose($this->_file); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| } | |
| } | |
| } | |
| } | |
| $this->_file = 0; | |
| } | |
| // ----- Look if a local copy need to be erase | |
| // Note that it might be interesting to keep the url for a time : ToDo | |
| if ($this->_temp_tarname != '') { | |
| @drupal_unlink($this->_temp_tarname); | |
| $this->_temp_tarname = ''; | |
| } | |
| return true; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public function _cleanFile() | |
| { | |
| $this->_close(); | |
| // ----- Look for a local copy | |
| if ($this->_temp_tarname != '') { | |
| // ----- Remove the local copy but not the remote tarname | |
| @drupal_unlink($this->_temp_tarname); | |
| $this->_temp_tarname = ''; | |
| } else { | |
| // ----- Remove the local tarname file | |
| @drupal_unlink($this->_tarname); | |
| } | |
| $this->_tarname = ''; | |
| return true; | |
| } | |
| /** | |
| * @param mixed $p_binary_data | |
| * @param integer $p_len | |
| * @return bool | |
| */ | |
| public function _writeBlock($p_binary_data, $p_len = null) | |
| { | |
| if (is_resource($this->_file)) { | |
| if ($p_len === null) { | |
| if ($this->_compress_type == 'gz') { | |
| @gzputs($this->_file, $p_binary_data); | |
| } else { | |
| if ($this->_compress_type == 'bz2') { | |
| @bzwrite($this->_file, $p_binary_data); | |
| } else { | |
| if ($this->_compress_type == 'lzma2') { | |
| @xzwrite($this->_file, $p_binary_data); | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| @fputs($this->_file, $p_binary_data); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| } | |
| } | |
| } | |
| } | |
| } else { | |
| if ($this->_compress_type == 'gz') { | |
| @gzputs($this->_file, $p_binary_data, $p_len); | |
| } else { | |
| if ($this->_compress_type == 'bz2') { | |
| @bzwrite($this->_file, $p_binary_data, $p_len); | |
| } else { | |
| if ($this->_compress_type == 'lzma2') { | |
| @xzwrite($this->_file, $p_binary_data, $p_len); | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| @fputs($this->_file, $p_binary_data, $p_len); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| /** | |
| * @return null|string | |
| */ | |
| public function _readBlock() | |
| { | |
| $v_block = null; | |
| if (is_resource($this->_file)) { | |
| if ($this->_compress_type == 'gz') { | |
| $v_block = @gzread($this->_file, 512); | |
| } else { | |
| if ($this->_compress_type == 'bz2') { | |
| $v_block = @bzread($this->_file, 512); | |
| } else { | |
| if ($this->_compress_type == 'lzma2') { | |
| $v_block = @xzread($this->_file, 512); | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| $v_block = @fread($this->_file, 512); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| return $v_block; | |
| } | |
| /** | |
| * @param null $p_len | |
| * @return bool | |
| */ | |
| public function _jumpBlock($p_len = null) | |
| { | |
| if (is_resource($this->_file)) { | |
| if ($p_len === null) { | |
| $p_len = 1; | |
| } | |
| if ($this->_compress_type == 'gz') { | |
| @gzseek($this->_file, gztell($this->_file) + ($p_len * 512)); | |
| } else { | |
| if ($this->_compress_type == 'bz2') { | |
| // ----- Replace missing bztell() and bzseek() | |
| for ($i = 0; $i < $p_len; $i++) { | |
| $this->_readBlock(); | |
| } | |
| } else { | |
| if ($this->_compress_type == 'lzma2') { | |
| // ----- Replace missing xztell() and xzseek() | |
| for ($i = 0; $i < $p_len; $i++) { | |
| $this->_readBlock(); | |
| } | |
| } else { | |
| if ($this->_compress_type == 'none') { | |
| @fseek($this->_file, $p_len * 512, SEEK_CUR); | |
| } else { | |
| $this->_error( | |
| 'Unknown or missing compression type (' | |
| . $this->_compress_type . ')' | |
| ); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public function _writeFooter() | |
| { | |
| if (is_resource($this->_file)) { | |
| // ----- Write the last 0 filled block for end of archive | |
| $v_binary_data = pack('a1024', ''); | |
| $this->_writeBlock($v_binary_data); | |
| } | |
| return true; | |
| } | |
| /** | |
| * @param array $p_list | |
| * @param string $p_add_dir | |
| * @param string $p_remove_dir | |
| * @return bool | |
| */ | |
| public function _addList($p_list, $p_add_dir, $p_remove_dir) | |
| { | |
| $v_result = true; | |
| $v_header = array(); | |
| // ----- Remove potential windows directory separator | |
| $p_add_dir = $this->_translateWinPath($p_add_dir); | |
| $p_remove_dir = $this->_translateWinPath($p_remove_dir, false); | |
| if (!$this->_file) { | |
| $this->_error('Invalid file descriptor'); | |
| return false; | |
| } | |
| if (sizeof($p_list) == 0) { | |
| return true; | |
| } | |
| foreach ($p_list as $v_filename) { | |
| if (!$v_result) { | |
| break; | |
| } | |
| // ----- Skip the current tar name | |
| if ($v_filename == $this->_tarname) { | |
| continue; | |
| } | |
| if ($v_filename == '') { | |
| continue; | |
| } | |
| // ----- ignore files and directories matching the ignore regular expression | |
| if ($this->_ignore_regexp && preg_match($this->_ignore_regexp, '/' . $v_filename)) { | |
| $this->_warning("File '$v_filename' ignored"); | |
| continue; | |
| } | |
| if (!file_exists($v_filename) && !is_link($v_filename)) { | |
| $this->_warning("File '$v_filename' does not exist"); | |
| continue; | |
| } | |
| // ----- Add the file or directory header | |
| if (!$this->_addFile($v_filename, $v_header, $p_add_dir, $p_remove_dir)) { | |
| return false; | |
| } | |
| if (@is_dir($v_filename) && !@is_link($v_filename)) { | |
| if (!($p_hdir = opendir($v_filename))) { | |
| $this->_warning("Directory '$v_filename' can not be read"); | |
| continue; | |
| } | |
| while (false !== ($p_hitem = readdir($p_hdir))) { | |
| if (($p_hitem != '.') && ($p_hitem != '..')) { | |
| if ($v_filename != ".") { | |
| $p_temp_list[0] = $v_filename . '/' . $p_hitem; | |
| } else { | |
| $p_temp_list[0] = $p_hitem; | |
| } | |
| $v_result = $this->_addList( | |
| $p_temp_list, | |
| $p_add_dir, | |
| $p_remove_dir | |
| ); | |
| } | |
| } | |
| unset($p_temp_list); | |
| unset($p_hdir); | |
| unset($p_hitem); | |
| } | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * @param string $p_filename | |
| * @param mixed $p_header | |
| * @param string $p_add_dir | |
| * @param string $p_remove_dir | |
| * @param null $v_stored_filename | |
| * @return bool | |
| */ | |
| public function _addFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir, $v_stored_filename = null) | |
| { | |
| if (!$this->_file) { | |
| $this->_error('Invalid file descriptor'); | |
| return false; | |
| } | |
| if ($p_filename == '') { | |
| $this->_error('Invalid file name'); | |
| return false; | |
| } | |
| if (is_null($v_stored_filename)) { | |
| // ----- Calculate the stored filename | |
| $p_filename = $this->_translateWinPath($p_filename, false); | |
| $v_stored_filename = $p_filename; | |
| if (strcmp($p_filename, $p_remove_dir) == 0) { | |
| return true; | |
| } | |
| if ($p_remove_dir != '') { | |
| if (substr($p_remove_dir, -1) != '/') { | |
| $p_remove_dir .= '/'; | |
| } | |
| if (substr($p_filename, 0, strlen($p_remove_dir)) == $p_remove_dir) { | |
| $v_stored_filename = substr($p_filename, strlen($p_remove_dir)); | |
| } | |
| } | |
| $v_stored_filename = $this->_translateWinPath($v_stored_filename); | |
| if ($p_add_dir != '') { | |
| if (substr($p_add_dir, -1) == '/') { | |
| $v_stored_filename = $p_add_dir . $v_stored_filename; | |
| } else { | |
| $v_stored_filename = $p_add_dir . '/' . $v_stored_filename; | |
| } | |
| } | |
| $v_stored_filename = $this->_pathReduction($v_stored_filename); | |
| } | |
| if ($this->_isArchive($p_filename)) { | |
| if (($v_file = @fopen($p_filename, "rb")) == 0) { | |
| $this->_warning( | |
| "Unable to open file '" . $p_filename | |
| . "' in binary read mode" | |
| ); | |
| return true; | |
| } | |
| if (!$this->_writeHeader($p_filename, $v_stored_filename)) { | |
| return false; | |
| } | |
| while (($v_buffer = fread($v_file, 512)) != '') { | |
| $v_binary_data = pack("a512", "$v_buffer"); | |
| $this->_writeBlock($v_binary_data); | |
| } | |
| fclose($v_file); | |
| } else { | |
| // ----- Only header for dir | |
| if (!$this->_writeHeader($p_filename, $v_stored_filename)) { | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| /** | |
| * @param string $p_filename | |
| * @param string $p_string | |
| * @param bool $p_datetime | |
| * @param array $p_params | |
| * @return bool | |
| */ | |
| public function _addString($p_filename, $p_string, $p_datetime = false, $p_params = array()) | |
| { | |
| $p_stamp = @$p_params["stamp"] ? $p_params["stamp"] : ($p_datetime ? $p_datetime : time()); | |
| $p_mode = @$p_params["mode"] ? $p_params["mode"] : 0600; | |
| $p_type = @$p_params["type"] ? $p_params["type"] : ""; | |
| $p_uid = @$p_params["uid"] ? $p_params["uid"] : 0; | |
| $p_gid = @$p_params["gid"] ? $p_params["gid"] : 0; | |
| if (!$this->_file) { | |
| $this->_error('Invalid file descriptor'); | |
| return false; | |
| } | |
| if ($p_filename == '') { | |
| $this->_error('Invalid file name'); | |
| return false; | |
| } | |
| // ----- Calculate the stored filename | |
| $p_filename = $this->_translateWinPath($p_filename, false); | |
| // ----- If datetime is not specified, set current time | |
| if ($p_datetime === false) { | |
| $p_datetime = time(); | |
| } | |
| if (!$this->_writeHeaderBlock( | |
| $p_filename, | |
| strlen($p_string), | |
| $p_stamp, | |
| $p_mode, | |
| $p_type, | |
| $p_uid, | |
| $p_gid | |
| ) | |
| ) { | |
| return false; | |
| } | |
| $i = 0; | |
| while (($v_buffer = substr($p_string, (($i++) * 512), 512)) != '') { | |
| $v_binary_data = pack("a512", $v_buffer); | |
| $this->_writeBlock($v_binary_data); | |
| } | |
| return true; | |
| } | |
| /** | |
| * @param string $p_filename | |
| * @param string $p_stored_filename | |
| * @return bool | |
| */ | |
| public function _writeHeader($p_filename, $p_stored_filename) | |
| { | |
| if ($p_stored_filename == '') { | |
| $p_stored_filename = $p_filename; | |
| } | |
| $v_reduce_filename = $this->_pathReduction($p_stored_filename); | |
| if (strlen($v_reduce_filename) > 99) { | |
| if (!$this->_writeLongHeader($v_reduce_filename)) { | |
| return false; | |
| } | |
| } | |
| $v_info = lstat($p_filename); | |
| $v_uid = sprintf("%07s", DecOct($v_info[4])); | |
| $v_gid = sprintf("%07s", DecOct($v_info[5])); | |
| $v_perms = sprintf("%07s", DecOct($v_info['mode'] & 000777)); | |
| $v_mtime = sprintf("%011s", DecOct($v_info['mtime'])); | |
| $v_linkname = ''; | |
| if (@is_link($p_filename)) { | |
| $v_typeflag = '2'; | |
| $v_linkname = readlink($p_filename); | |
| $v_size = sprintf("%011s", DecOct(0)); | |
| } elseif (@is_dir($p_filename)) { | |
| $v_typeflag = "5"; | |
| $v_size = sprintf("%011s", DecOct(0)); | |
| } else { | |
| $v_typeflag = '0'; | |
| clearstatcache(); | |
| $v_size = sprintf("%011s", DecOct($v_info['size'])); | |
| } | |
| $v_magic = 'ustar '; | |
| $v_version = ' '; | |
| if (function_exists('posix_getpwuid')) { | |
| $userinfo = posix_getpwuid($v_info[4]); | |
| $groupinfo = posix_getgrgid($v_info[5]); | |
| $v_uname = $userinfo['name']; | |
| $v_gname = $groupinfo['name']; | |
| } else { | |
| $v_uname = ''; | |
| $v_gname = ''; | |
| } | |
| $v_devmajor = ''; | |
| $v_devminor = ''; | |
| $v_prefix = ''; | |
| $v_binary_data_first = pack( | |
| "a100a8a8a8a12a12", | |
| $v_reduce_filename, | |
| $v_perms, | |
| $v_uid, | |
| $v_gid, | |
| $v_size, | |
| $v_mtime | |
| ); | |
| $v_binary_data_last = pack( | |
| "a1a100a6a2a32a32a8a8a155a12", | |
| $v_typeflag, | |
| $v_linkname, | |
| $v_magic, | |
| $v_version, | |
| $v_uname, | |
| $v_gname, | |
| $v_devmajor, | |
| $v_devminor, | |
| $v_prefix, | |
| '' | |
| ); | |
| // ----- Calculate the checksum | |
| $v_checksum = 0; | |
| // ..... First part of the header | |
| for ($i = 0; $i < 148; $i++) { | |
| $v_checksum += ord(substr($v_binary_data_first, $i, 1)); | |
| } | |
| // ..... Ignore the checksum value and replace it by ' ' (space) | |
| for ($i = 148; $i < 156; $i++) { | |
| $v_checksum += ord(' '); | |
| } | |
| // ..... Last part of the header | |
| for ($i = 156, $j = 0; $i < 512; $i++, $j++) { | |
| $v_checksum += ord(substr($v_binary_data_last, $j, 1)); | |
| } | |
| // ----- Write the first 148 bytes of the header in the archive | |
| $this->_writeBlock($v_binary_data_first, 148); | |
| // ----- Write the calculated checksum | |
| $v_checksum = sprintf("%06s ", DecOct($v_checksum)); | |
| $v_binary_data = pack("a8", $v_checksum); | |
| $this->_writeBlock($v_binary_data, 8); | |
| // ----- Write the last 356 bytes of the header in the archive | |
| $this->_writeBlock($v_binary_data_last, 356); | |
| return true; | |
| } | |
| /** | |
| * @param string $p_filename | |
| * @param int $p_size | |
| * @param int $p_mtime | |
| * @param int $p_perms | |
| * @param string $p_type | |
| * @param int $p_uid | |
| * @param int $p_gid | |
| * @return bool | |
| */ | |
| public function _writeHeaderBlock( | |
| $p_filename, | |
| $p_size, | |
| $p_mtime = 0, | |
| $p_perms = 0, | |
| $p_type = '', | |
| $p_uid = 0, | |
| $p_gid = 0 | |
| ) { | |
| $p_filename = $this->_pathReduction($p_filename); | |
| if (strlen($p_filename) > 99) { | |
| if (!$this->_writeLongHeader($p_filename)) { | |
| return false; | |
| } | |
| } | |
| if ($p_type == "5") { | |
| $v_size = sprintf("%011s", DecOct(0)); | |
| } else { | |
| $v_size = sprintf("%011s", DecOct($p_size)); | |
| } | |
| $v_uid = sprintf("%07s", DecOct($p_uid)); | |
| $v_gid = sprintf("%07s", DecOct($p_gid)); | |
| $v_perms = sprintf("%07s", DecOct($p_perms & 000777)); | |
| $v_mtime = sprintf("%11s", DecOct($p_mtime)); | |
| $v_linkname = ''; | |
| $v_magic = 'ustar '; | |
| $v_version = ' '; | |
| if (function_exists('posix_getpwuid')) { | |
| $userinfo = posix_getpwuid($p_uid); | |
| $groupinfo = posix_getgrgid($p_gid); | |
| $v_uname = $userinfo['name']; | |
| $v_gname = $groupinfo['name']; | |
| } else { | |
| $v_uname = ''; | |
| $v_gname = ''; | |
| } | |
| $v_devmajor = ''; | |
| $v_devminor = ''; | |
| $v_prefix = ''; | |
| $v_binary_data_first = pack( | |
| "a100a8a8a8a12A12", | |
| $p_filename, | |
| $v_perms, | |
| $v_uid, | |
| $v_gid, | |
| $v_size, | |
| $v_mtime | |
| ); | |
| $v_binary_data_last = pack( | |
| "a1a100a6a2a32a32a8a8a155a12", | |
| $p_type, | |
| $v_linkname, | |
| $v_magic, | |
| $v_version, | |
| $v_uname, | |
| $v_gname, | |
| $v_devmajor, | |
| $v_devminor, | |
| $v_prefix, | |
| '' | |
| ); | |
| // ----- Calculate the checksum | |
| $v_checksum = 0; | |
| // ..... First part of the header | |
| for ($i = 0; $i < 148; $i++) { | |
| $v_checksum += ord(substr($v_binary_data_first, $i, 1)); | |
| } | |
| // ..... Ignore the checksum value and replace it by ' ' (space) | |
| for ($i = 148; $i < 156; $i++) { | |
| $v_checksum += ord(' '); | |
| } | |
| // ..... Last part of the header | |
| for ($i = 156, $j = 0; $i < 512; $i++, $j++) { | |
| $v_checksum += ord(substr($v_binary_data_last, $j, 1)); | |
| } | |
| // ----- Write the first 148 bytes of the header in the archive | |
| $this->_writeBlock($v_binary_data_first, 148); | |
| // ----- Write the calculated checksum | |
| $v_checksum = sprintf("%06s ", DecOct($v_checksum)); | |
| $v_binary_data = pack("a8", $v_checksum); | |
| $this->_writeBlock($v_binary_data, 8); | |
| // ----- Write the last 356 bytes of the header in the archive | |
| $this->_writeBlock($v_binary_data_last, 356); | |
| return true; | |
| } | |
| /** | |
| * @param string $p_filename | |
| * @return bool | |
| */ | |
| public function _writeLongHeader($p_filename) | |
| { | |
| $v_size = sprintf("%11s ", DecOct(strlen($p_filename))); | |
| $v_typeflag = 'L'; | |
| $v_linkname = ''; | |
| $v_magic = ''; | |
| $v_version = ''; | |
| $v_uname = ''; | |
| $v_gname = ''; | |
| $v_devmajor = ''; | |
| $v_devminor = ''; | |
| $v_prefix = ''; | |
| $v_binary_data_first = pack( | |
| "a100a8a8a8a12a12", | |
| '././@LongLink', | |
| 0, | |
| 0, | |
| 0, | |
| $v_size, | |
| 0 | |
| ); | |
| $v_binary_data_last = pack( | |
| "a1a100a6a2a32a32a8a8a155a12", | |
| $v_typeflag, | |
| $v_linkname, | |
| $v_magic, | |
| $v_version, | |
| $v_uname, | |
| $v_gname, | |
| $v_devmajor, | |
| $v_devminor, | |
| $v_prefix, | |
| '' | |
| ); | |
| // ----- Calculate the checksum | |
| $v_checksum = 0; | |
| // ..... First part of the header | |
| for ($i = 0; $i < 148; $i++) { | |
| $v_checksum += ord(substr($v_binary_data_first, $i, 1)); | |
| } | |
| // ..... Ignore the checksum value and replace it by ' ' (space) | |
| for ($i = 148; $i < 156; $i++) { | |
| $v_checksum += ord(' '); | |
| } | |
| // ..... Last part of the header | |
| for ($i = 156, $j = 0; $i < 512; $i++, $j++) { | |
| $v_checksum += ord(substr($v_binary_data_last, $j, 1)); | |
| } | |
| // ----- Write the first 148 bytes of the header in the archive | |
| $this->_writeBlock($v_binary_data_first, 148); | |
| // ----- Write the calculated checksum | |
| $v_checksum = sprintf("%06s ", DecOct($v_checksum)); | |
| $v_binary_data = pack("a8", $v_checksum); | |
| $this->_writeBlock($v_binary_data, 8); | |
| // ----- Write the last 356 bytes of the header in the archive | |
| $this->_writeBlock($v_binary_data_last, 356); | |
| // ----- Write the filename as content of the block | |
| $i = 0; | |
| while (($v_buffer = substr($p_filename, (($i++) * 512), 512)) != '') { | |
| $v_binary_data = pack("a512", "$v_buffer"); | |
| $this->_writeBlock($v_binary_data); | |
| } | |
| return true; | |
| } | |
| /** | |
| * @param mixed $v_binary_data | |
| * @param mixed $v_header | |
| * @return bool | |
| */ | |
| public function _readHeader($v_binary_data, &$v_header) | |
| { | |
| if (strlen($v_binary_data) == 0) { | |
| $v_header['filename'] = ''; | |
| return true; | |
| } | |
| if (strlen($v_binary_data) != 512) { | |
| $v_header['filename'] = ''; | |
| $this->_error('Invalid block size : ' . strlen($v_binary_data)); | |
| return false; | |
| } | |
| if (!is_array($v_header)) { | |
| $v_header = array(); | |
| } | |
| // ----- Calculate the checksum | |
| $v_checksum = 0; | |
| // ..... First part of the header | |
| for ($i = 0; $i < 148; $i++) { | |
| $v_checksum += ord(substr($v_binary_data, $i, 1)); | |
| } | |
| // ..... Ignore the checksum value and replace it by ' ' (space) | |
| for ($i = 148; $i < 156; $i++) { | |
| $v_checksum += ord(' '); | |
| } | |
| // ..... Last part of the header | |
| for ($i = 156; $i < 512; $i++) { | |
| $v_checksum += ord(substr($v_binary_data, $i, 1)); | |
| } | |
| if (version_compare(PHP_VERSION, "5.5.0-dev") < 0) { | |
| $fmt = "a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/" . | |
| "a8checksum/a1typeflag/a100link/a6magic/a2version/" . | |
| "a32uname/a32gname/a8devmajor/a8devminor/a131prefix"; | |
| } else { | |
| $fmt = "Z100filename/Z8mode/Z8uid/Z8gid/Z12size/Z12mtime/" . | |
| "Z8checksum/Z1typeflag/Z100link/Z6magic/Z2version/" . | |
| "Z32uname/Z32gname/Z8devmajor/Z8devminor/Z131prefix"; | |
| } | |
| $v_data = unpack($fmt, $v_binary_data); | |
| if (strlen($v_data["prefix"]) > 0) { | |
| $v_data["filename"] = "$v_data[prefix]/$v_data[filename]"; | |
| } | |
| // ----- Extract the checksum | |
| $v_header['checksum'] = OctDec(trim($v_data['checksum'])); | |
| if ($v_header['checksum'] != $v_checksum) { | |
| $v_header['filename'] = ''; | |
| // ----- Look for last block (empty block) | |
| if (($v_checksum == 256) && ($v_header['checksum'] == 0)) { | |
| return true; | |
| } | |
| $this->_error( | |
| 'Invalid checksum for file "' . $v_data['filename'] | |
| . '" : ' . $v_checksum . ' calculated, ' | |
| . $v_header['checksum'] . ' expected' | |
| ); | |
| return false; | |
| } | |
| // ----- Extract the properties | |
| $v_header['filename'] = rtrim($v_data['filename'], "\0"); | |
| if ($this->_maliciousFilename($v_header['filename'])) { | |
| $this->_error( | |
| 'Malicious .tar detected, file "' . $v_header['filename'] . | |
| '" will not install in desired directory tree' | |
| ); | |
| return false; | |
| } | |
| $v_header['mode'] = OctDec(trim($v_data['mode'])); | |
| $v_header['uid'] = OctDec(trim($v_data['uid'])); | |
| $v_header['gid'] = OctDec(trim($v_data['gid'])); | |
| $v_header['size'] = OctDec(trim($v_data['size'])); | |
| $v_header['mtime'] = OctDec(trim($v_data['mtime'])); | |
| if (($v_header['typeflag'] = $v_data['typeflag']) == "5") { | |
| $v_header['size'] = 0; | |
| } | |
| $v_header['link'] = trim($v_data['link']); | |
| /* ----- All these fields are removed form the header because | |
| they do not carry interesting info | |
| $v_header[magic] = trim($v_data[magic]); | |
| $v_header[version] = trim($v_data[version]); | |
| $v_header[uname] = trim($v_data[uname]); | |
| $v_header[gname] = trim($v_data[gname]); | |
| $v_header[devmajor] = trim($v_data[devmajor]); | |
| $v_header[devminor] = trim($v_data[devminor]); | |
| */ | |
| return true; | |
| } | |
| /** | |
| * Detect and report a malicious file name | |
| * | |
| * @param string $file | |
| * | |
| * @return bool | |
| */ | |
| private function _maliciousFilename($file) | |
| { | |
| if (strpos($file, '/../') !== false) { | |
| return true; | |
| } | |
| if (strpos($file, '../') === 0) { | |
| return true; | |
| } | |
| return false; | |
| } | |
| /** | |
| * @param $v_header | |
| * @return bool | |
| */ | |
| public function _readLongHeader(&$v_header) | |
| { | |
| $v_filename = ''; | |
| $v_filesize = $v_header['size']; | |
| $n = floor($v_header['size'] / 512); | |
| for ($i = 0; $i < $n; $i++) { | |
| $v_content = $this->_readBlock(); | |
| $v_filename .= $v_content; | |
| } | |
| if (($v_header['size'] % 512) != 0) { | |
| $v_content = $this->_readBlock(); | |
| $v_filename .= $v_content; | |
| } | |
| // ----- Read the next header | |
| $v_binary_data = $this->_readBlock(); | |
| if (!$this->_readHeader($v_binary_data, $v_header)) { | |
| return false; | |
| } | |
| $v_filename = rtrim(substr($v_filename, 0, $v_filesize), "\0"); | |
| $v_header['filename'] = $v_filename; | |
| if ($this->_maliciousFilename($v_filename)) { | |
| $this->_error( | |
| 'Malicious .tar detected, file "' . $v_filename . | |
| '" will not install in desired directory tree' | |
| ); | |
| return false; | |
| } | |
| return true; | |
| } | |
| /** | |
| * This method extract from the archive one file identified by $p_filename. | |
| * The return value is a string with the file content, or null on error. | |
| * | |
| * @param string $p_filename The path of the file to extract in a string. | |
| * | |
| * @return a string with the file content or null. | |
| */ | |
| private function _extractInString($p_filename) | |
| { | |
| $v_result_str = ""; | |
| while (strlen($v_binary_data = $this->_readBlock()) != 0) { | |
| if (!$this->_readHeader($v_binary_data, $v_header)) { | |
| return null; | |
| } | |
| if ($v_header['filename'] == '') { | |
| continue; | |
| } | |
| // ----- Look for long filename | |
| if ($v_header['typeflag'] == 'L') { | |
| if (!$this->_readLongHeader($v_header)) { | |
| return null; | |
| } | |
| } | |
| if ($v_header['filename'] == $p_filename) { | |
| if ($v_header['typeflag'] == "5") { | |
| $this->_error( | |
| 'Unable to extract in string a directory ' | |
| . 'entry {' . $v_header['filename'] . '}' | |
| ); | |
| return null; | |
| } else { | |
| $n = floor($v_header['size'] / 512); | |
| for ($i = 0; $i < $n; $i++) { | |
| $v_result_str .= $this->_readBlock(); | |
| } | |
| if (($v_header['size'] % 512) != 0) { | |
| $v_content = $this->_readBlock(); | |
| $v_result_str .= substr( | |
| $v_content, | |
| 0, | |
| ($v_header['size'] % 512) | |
| ); | |
| } | |
| return $v_result_str; | |
| } | |
| } else { | |
| $this->_jumpBlock(ceil(($v_header['size'] / 512))); | |
| } | |
| } | |
| return null; | |
| } | |
| /** | |
| * @param string $p_path | |
| * @param string $p_list_detail | |
| * @param string $p_mode | |
| * @param string $p_file_list | |
| * @param string $p_remove_path | |
| * @param bool $p_preserve | |
| * @return bool | |
| */ | |
| public function _extractList( | |
| $p_path, | |
| &$p_list_detail, | |
| $p_mode, | |
| $p_file_list, | |
| $p_remove_path, | |
| $p_preserve = false | |
| ) { | |
| $v_result = true; | |
| $v_nb = 0; | |
| $v_extract_all = true; | |
| $v_listing = false; | |
| $p_path = $this->_translateWinPath($p_path, false); | |
| if ($p_path == '' || (substr($p_path, 0, 1) != '/' | |
| && substr($p_path, 0, 3) != "../" && !strpos($p_path, ':')) | |
| ) { | |
| $p_path = "./" . $p_path; | |
| } | |
| $p_remove_path = $this->_translateWinPath($p_remove_path); | |
| // ----- Look for path to remove format (should end by /) | |
| if (($p_remove_path != '') && (substr($p_remove_path, -1) != '/')) { | |
| $p_remove_path .= '/'; | |
| } | |
| $p_remove_path_size = strlen($p_remove_path); | |
| switch ($p_mode) { | |
| case "complete" : | |
| $v_extract_all = true; | |
| $v_listing = false; | |
| break; | |
| case "partial" : | |
| $v_extract_all = false; | |
| $v_listing = false; | |
| break; | |
| case "list" : | |
| $v_extract_all = false; | |
| $v_listing = true; | |
| break; | |
| default : | |
| $this->_error('Invalid extract mode (' . $p_mode . ')'); | |
| return false; | |
| } | |
| clearstatcache(); | |
| while (strlen($v_binary_data = $this->_readBlock()) != 0) { | |
| $v_extract_file = false; | |
| $v_extraction_stopped = 0; | |
| if (!$this->_readHeader($v_binary_data, $v_header)) { | |
| return false; | |
| } | |
| if ($v_header['filename'] == '') { | |
| continue; | |
| } | |
| // ----- Look for long filename | |
| if ($v_header['typeflag'] == 'L') { | |
| if (!$this->_readLongHeader($v_header)) { | |
| return false; | |
| } | |
| } | |
| // ignore extended / pax headers | |
| if ($v_header['typeflag'] == 'x' || $v_header['typeflag'] == 'g') { | |
| $this->_jumpBlock(ceil(($v_header['size'] / 512))); | |
| continue; | |
| } | |
| if ((!$v_extract_all) && (is_array($p_file_list))) { | |
| // ----- By default no unzip if the file is not found | |
| $v_extract_file = false; | |
| for ($i = 0; $i < sizeof($p_file_list); $i++) { | |
| // ----- Look if it is a directory | |
| if (substr($p_file_list[$i], -1) == '/') { | |
| // ----- Look if the directory is in the filename path | |
| if ((strlen($v_header['filename']) > strlen($p_file_list[$i])) | |
| && (substr($v_header['filename'], 0, strlen($p_file_list[$i])) | |
| == $p_file_list[$i]) | |
| ) { | |
| $v_extract_file = true; | |
| break; | |
| } | |
| } // ----- It is a file, so compare the file names | |
| elseif ($p_file_list[$i] == $v_header['filename']) { | |
| $v_extract_file = true; | |
| break; | |
| } | |
| } | |
| } else { | |
| $v_extract_file = true; | |
| } | |
| // ----- Look if this file need to be extracted | |
| if (($v_extract_file) && (!$v_listing)) { | |
| if (($p_remove_path != '') | |
| && (substr($v_header['filename'] . '/', 0, $p_remove_path_size) | |
| == $p_remove_path) | |
| ) { | |
| $v_header['filename'] = substr( | |
| $v_header['filename'], | |
| $p_remove_path_size | |
| ); | |
| if ($v_header['filename'] == '') { | |
| continue; | |
| } | |
| } | |
| if (($p_path != './') && ($p_path != '/')) { | |
| while (substr($p_path, -1) == '/') { | |
| $p_path = substr($p_path, 0, strlen($p_path) - 1); | |
| } | |
| if (substr($v_header['filename'], 0, 1) == '/') { | |
| $v_header['filename'] = $p_path . $v_header['filename']; | |
| } else { | |
| $v_header['filename'] = $p_path . '/' . $v_header['filename']; | |
| } | |
| } | |
| if (file_exists($v_header['filename'])) { | |
| if ((@is_dir($v_header['filename'])) | |
| && ($v_header['typeflag'] == '') | |
| ) { | |
| $this->_error( | |
| 'File ' . $v_header['filename'] | |
| . ' already exists as a directory' | |
| ); | |
| return false; | |
| } | |
| if (($this->_isArchive($v_header['filename'])) | |
| && ($v_header['typeflag'] == "5") | |
| ) { | |
| $this->_error( | |
| 'Directory ' . $v_header['filename'] | |
| . ' already exists as a file' | |
| ); | |
| return false; | |
| } | |
| if (!is_writeable($v_header['filename'])) { | |
| $this->_error( | |
| 'File ' . $v_header['filename'] | |
| . ' already exists and is write protected' | |
| ); | |
| return false; | |
| } | |
| if (filemtime($v_header['filename']) > $v_header['mtime']) { | |
| // To be completed : An error or silent no replace ? | |
| } | |
| } // ----- Check the directory availability and create it if necessary | |
| elseif (($v_result | |
| = $this->_dirCheck( | |
| ($v_header['typeflag'] == "5" | |
| ? $v_header['filename'] | |
| : dirname($v_header['filename'])) | |
| )) != 1 | |
| ) { | |
| $this->_error('Unable to create path for ' . $v_header['filename']); | |
| return false; | |
| } | |
| if ($v_extract_file) { | |
| if ($v_header['typeflag'] == "5") { | |
| if (!@file_exists($v_header['filename'])) { | |
| if (!@mkdir($v_header['filename'], 0777)) { | |
| $this->_error( | |
| 'Unable to create directory {' | |
| . $v_header['filename'] . '}' | |
| ); | |
| return false; | |
| } | |
| } | |
| } elseif ($v_header['typeflag'] == "2") { | |
| if (@file_exists($v_header['filename'])) { | |
| @drupal_unlink($v_header['filename']); | |
| } | |
| if (!@symlink($v_header['link'], $v_header['filename'])) { | |
| $this->_error( | |
| 'Unable to extract symbolic link {' | |
| . $v_header['filename'] . '}' | |
| ); | |
| return false; | |
| } | |
| } else { | |
| if (($v_dest_file = @fopen($v_header['filename'], "wb")) == 0) { | |
| $this->_error( | |
| 'Error while opening {' . $v_header['filename'] | |
| . '} in write binary mode' | |
| ); | |
| return false; | |
| } else { | |
| $n = floor($v_header['size'] / 512); | |
| for ($i = 0; $i < $n; $i++) { | |
| $v_content = $this->_readBlock(); | |
| fwrite($v_dest_file, $v_content, 512); | |
| } | |
| if (($v_header['size'] % 512) != 0) { | |
| $v_content = $this->_readBlock(); | |
| fwrite($v_dest_file, $v_content, ($v_header['size'] % 512)); | |
| } | |
| @fclose($v_dest_file); | |
| if ($p_preserve) { | |
| @chown($v_header['filename'], $v_header['uid']); | |
| @chgrp($v_header['filename'], $v_header['gid']); | |
| } | |
| // ----- Change the file mode, mtime | |
| @touch($v_header['filename'], $v_header['mtime']); | |
| if ($v_header['mode'] & 0111) { | |
| // make file executable, obey umask | |
| $mode = fileperms($v_header['filename']) | (~umask() & 0111); | |
| @chmod($v_header['filename'], $mode); | |
| } | |
| } | |
| // ----- Check the file size | |
| clearstatcache(); | |
| if (!is_file($v_header['filename'])) { | |
| $this->_error( | |
| 'Extracted file ' . $v_header['filename'] | |
| . 'does not exist. Archive may be corrupted.' | |
| ); | |
| return false; | |
| } | |
| $filesize = filesize($v_header['filename']); | |
| if ($filesize != $v_header['size']) { | |
| $this->_error( | |
| 'Extracted file ' . $v_header['filename'] | |
| . ' does not have the correct file size \'' | |
| . $filesize | |
| . '\' (' . $v_header['size'] | |
| . ' expected). Archive may be corrupted.' | |
| ); | |
| return false; | |
| } | |
| } | |
| } else { | |
| $this->_jumpBlock(ceil(($v_header['size'] / 512))); | |
| } | |
| } else { | |
| $this->_jumpBlock(ceil(($v_header['size'] / 512))); | |
| } | |
| /* TBC : Seems to be unused ... | |
| if ($this->_compress) | |
| $v_end_of_file = @gzeof($this->_file); | |
| else | |
| $v_end_of_file = @feof($this->_file); | |
| */ | |
| if ($v_listing || $v_extract_file || $v_extraction_stopped) { | |
| // ----- Log extracted files | |
| if (($v_file_dir = dirname($v_header['filename'])) | |
| == $v_header['filename'] | |
| ) { | |
| $v_file_dir = ''; | |
| } | |
| if ((substr($v_header['filename'], 0, 1) == '/') && ($v_file_dir == '')) { | |
| $v_file_dir = '/'; | |
| } | |
| $p_list_detail[$v_nb++] = $v_header; | |
| if (is_array($p_file_list) && (count($p_list_detail) == count($p_file_list))) { | |
| return true; | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| /** | |
| * @return bool | |
| */ | |
| public function _openAppend() | |
| { | |
| if (filesize($this->_tarname) == 0) { | |
| return $this->_openWrite(); | |
| } | |
| if ($this->_compress) { | |
| $this->_close(); | |
| if (!@rename($this->_tarname, $this->_tarname . ".tmp")) { | |
| $this->_error( | |
| 'Error while renaming \'' . $this->_tarname | |
| . '\' to temporary file \'' . $this->_tarname | |
| . '.tmp\'' | |
| ); | |
| return false; | |
| } | |
| if ($this->_compress_type == 'gz') { | |
| $v_temp_tar = @gzopen($this->_tarname . ".tmp", "rb"); | |
| } elseif ($this->_compress_type == 'bz2') { | |
| $v_temp_tar = @bzopen($this->_tarname . ".tmp", "r"); | |
| } elseif ($this->_compress_type == 'lzma2') { | |
| $v_temp_tar = @xzopen($this->_tarname . ".tmp", "r"); | |
| } | |
| if ($v_temp_tar == 0) { | |
| $this->_error( | |
| 'Unable to open file \'' . $this->_tarname | |
| . '.tmp\' in binary read mode' | |
| ); | |
| @rename($this->_tarname . ".tmp", $this->_tarname); | |
| return false; | |
| } | |
| if (!$this->_openWrite()) { | |
| @rename($this->_tarname . ".tmp", $this->_tarname); | |
| return false; | |
| } | |
| if ($this->_compress_type == 'gz') { | |
| $end_blocks = 0; | |
| while (!@gzeof($v_temp_tar)) { | |
| $v_buffer = @gzread($v_temp_tar, 512); | |
| if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) { | |
| $end_blocks++; | |
| // do not copy end blocks, we will re-make them | |
| // after appending | |
| continue; | |
| } elseif ($end_blocks > 0) { | |
| for ($i = 0; $i < $end_blocks; $i++) { | |
| $this->_writeBlock(ARCHIVE_TAR_END_BLOCK); | |
| } | |
| $end_blocks = 0; | |
| } | |
| $v_binary_data = pack("a512", $v_buffer); | |
| $this->_writeBlock($v_binary_data); | |
| } | |
| @gzclose($v_temp_tar); | |
| } elseif ($this->_compress_type == 'bz2') { | |
| $end_blocks = 0; | |
| while (strlen($v_buffer = @bzread($v_temp_tar, 512)) > 0) { | |
| if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) { | |
| $end_blocks++; | |
| // do not copy end blocks, we will re-make them | |
| // after appending | |
| continue; | |
| } elseif ($end_blocks > 0) { | |
| for ($i = 0; $i < $end_blocks; $i++) { | |
| $this->_writeBlock(ARCHIVE_TAR_END_BLOCK); | |
| } | |
| $end_blocks = 0; | |
| } | |
| $v_binary_data = pack("a512", $v_buffer); | |
| $this->_writeBlock($v_binary_data); | |
| } | |
| @bzclose($v_temp_tar); | |
| } elseif ($this->_compress_type == 'lzma2') { | |
| $end_blocks = 0; | |
| while (strlen($v_buffer = @xzread($v_temp_tar, 512)) > 0) { | |
| if ($v_buffer == ARCHIVE_TAR_END_BLOCK || strlen($v_buffer) == 0) { | |
| $end_blocks++; | |
| // do not copy end blocks, we will re-make them | |
| // after appending | |
| continue; | |
| } elseif ($end_blocks > 0) { | |
| for ($i = 0; $i < $end_blocks; $i++) { | |
| $this->_writeBlock(ARCHIVE_TAR_END_BLOCK); | |
| } | |
| $end_blocks = 0; | |
| } | |
| $v_binary_data = pack("a512", $v_buffer); | |
| $this->_writeBlock($v_binary_data); | |
| } | |
| @xzclose($v_temp_tar); | |
| } | |
| if (!@drupal_unlink($this->_tarname . ".tmp")) { | |
| $this->_error( | |
| 'Error while deleting temporary file \'' | |
| . $this->_tarname . '.tmp\'' | |
| ); | |
| } | |
| } else { | |
| // ----- For not compressed tar, just add files before the last | |
| // one or two 512 bytes block | |
| if (!$this->_openReadWrite()) { | |
| return false; | |
| } | |
| clearstatcache(); | |
| $v_size = filesize($this->_tarname); | |
| // We might have zero, one or two end blocks. | |
| // The standard is two, but we should try to handle | |
| // other cases. | |
| fseek($this->_file, $v_size - 1024); | |
| if (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) { | |
| fseek($this->_file, $v_size - 1024); | |
| } elseif (fread($this->_file, 512) == ARCHIVE_TAR_END_BLOCK) { | |
| fseek($this->_file, $v_size - 512); | |
| } | |
| } | |
| return true; | |
| } | |
| /** | |
| * @param $p_filelist | |
| * @param string $p_add_dir | |
| * @param string $p_remove_dir | |
| * @return bool | |
| */ | |
| public function _append($p_filelist, $p_add_dir = '', $p_remove_dir = '') | |
| { | |
| if (!$this->_openAppend()) { | |
| return false; | |
| } | |
| if ($this->_addList($p_filelist, $p_add_dir, $p_remove_dir)) { | |
| $this->_writeFooter(); | |
| } | |
| $this->_close(); | |
| return true; | |
| } | |
| /** | |
| * Check if a directory exists and create it (including parent | |
| * dirs) if not. | |
| * | |
| * @param string $p_dir directory to check | |
| * | |
| * @return bool true if the directory exists or was created | |
| */ | |
| public function _dirCheck($p_dir) | |
| { | |
| clearstatcache(); | |
| if ((@is_dir($p_dir)) || ($p_dir == '')) { | |
| return true; | |
| } | |
| $p_parent_dir = dirname($p_dir); | |
| if (($p_parent_dir != $p_dir) && | |
| ($p_parent_dir != '') && | |
| (!$this->_dirCheck($p_parent_dir)) | |
| ) { | |
| return false; | |
| } | |
| if (!@mkdir($p_dir, 0777)) { | |
| $this->_error("Unable to create directory '$p_dir'"); | |
| return false; | |
| } | |
| return true; | |
| } | |
| /** | |
| * Compress path by changing for example "/dir/foo/../bar" to "/dir/bar", | |
| * rand emove double slashes. | |
| * | |
| * @param string $p_dir path to reduce | |
| * | |
| * @return string reduced path | |
| */ | |
| private function _pathReduction($p_dir) | |
| { | |
| $v_result = ''; | |
| // ----- Look for not empty path | |
| if ($p_dir != '') { | |
| // ----- Explode path by directory names | |
| $v_list = explode('/', $p_dir); | |
| // ----- Study directories from last to first | |
| for ($i = sizeof($v_list) - 1; $i >= 0; $i--) { | |
| // ----- Look for current path | |
| if ($v_list[$i] == ".") { | |
| // ----- Ignore this directory | |
| // Should be the first $i=0, but no check is done | |
| } else { | |
| if ($v_list[$i] == "..") { | |
| // ----- Ignore it and ignore the $i-1 | |
| $i--; | |
| } else { | |
| if (($v_list[$i] == '') | |
| && ($i != (sizeof($v_list) - 1)) | |
| && ($i != 0) | |
| ) { | |
| // ----- Ignore only the double '//' in path, | |
| // but not the first and last / | |
| } else { | |
| $v_result = $v_list[$i] . ($i != (sizeof($v_list) - 1) ? '/' | |
| . $v_result : ''); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| if (defined('OS_WINDOWS') && OS_WINDOWS) { | |
| $v_result = strtr($v_result, '\\', '/'); | |
| } | |
| return $v_result; | |
| } | |
| /** | |
| * @param $p_path | |
| * @param bool $p_remove_disk_letter | |
| * @return string | |
| */ | |
| public function _translateWinPath($p_path, $p_remove_disk_letter = true) | |
| { | |
| if (defined('OS_WINDOWS') && OS_WINDOWS) { | |
| // ----- Look for potential disk letter | |
| if (($p_remove_disk_letter) | |
| && (($v_position = strpos($p_path, ':')) != false) | |
| ) { | |
| $p_path = substr($p_path, $v_position + 1); | |
| } | |
| // ----- Change potential windows directory separator | |
| if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0, 1) == '\\')) { | |
| $p_path = strtr($p_path, '\\', '/'); | |
| } | |
| } | |
| return $p_path; | |
| } | |
| } | |
| } |