--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/system/system.tar.inc Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,2459 @@
+<?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).
+ */
+
+ /**
+ * Note on Drupal 7 backporting from Drupal 8.
+ * File origin is core/lib/Drupal/Core/Archiver/ArchiveTar.php from Drupal 8.
+ * The following changes have been done:
+ * Removed namespace Drupal\Core\Archiver.
+ * Renamed class to Archive_Tar.
+ * Changed \Exception to Exception.
+ */
+
+
+// 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);
+ }
+}
+
+/**
+ * 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 Archive_Tar
+{
+ /**
+ * @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;
+ }
+}