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pclziputilpathreduction › WordPress Function
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› pclziputilpathreduction ( $p_dir )
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Fonctions en relation: pclziputilpathinclusion, pclziputiloptiontext, pclziputilrename, spl_autoload_functions, pclziputiltranslatewinpath
Source
function PclZipUtilPathReduction($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 $v_skip = 0; for ($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] == "..") { $v_skip++; } else if ($v_list[$i] == "") { // ----- First '/' i.e. root slash if ($i == 0) { $v_result = "/".$v_result; if ($v_skip > 0) { // ----- It is an invalid path, so the path is not modified // TBC $v_result = $p_dir; $v_skip = 0; } } // ----- Last '/' i.e. indicates a directory else if ($i == (sizeof($v_list)-1)) { $v_result = $v_list[$i]; } // ----- Double '/' inside the path else { // ----- Ignore only the double '//' in path, // but not the first and last '/' } } else { // ----- Look for item to skip if ($v_skip > 0) { $v_skip--; } else { $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?"/".$v_result:""); } } } // ----- Look for skip if ($v_skip > 0) { while ($v_skip > 0) { $v_result = '../'.$v_result; $v_skip--; } } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilPathInclusion() // Description : // This function indicates if the path $p_path is under the $p_dir tree. Or, // said in an other way, if the file or sub-dir $p_path is inside the dir // $p_dir. // The function indicates also if the path is exactly the same as the dir. // This function supports path with duplicated '/' like '//', but does not // support '.' or '..' statements. // Parameters : // Return Values : // 0 if $p_path is not inside directory $p_dir // 1 if $p_path is inside directory $p_dir // 2 if $p_path is exactly the same as $p_dir // -------------------------------------------------------------------------------- function PclZipUtilPathInclusion($p_dir, $p_path) { $v_result = 1; // ----- Look for path beginning by ./ if ( ($p_dir == '.') || ((strlen($p_dir) >=2) && (substr($p_dir, 0, 2) == './'))) { $p_dir = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_dir, 1); } if ( ($p_path == '.') || ((strlen($p_path) >=2) && (substr($p_path, 0, 2) == './'))) { $p_path = PclZipUtilTranslateWinPath(getcwd(), FALSE).'/'.substr($p_path, 1); } // ----- Explode dir and path by directory separator $v_list_dir = explode("/", $p_dir); $v_list_dir_size = sizeof($v_list_dir); $v_list_path = explode("/", $p_path); $v_list_path_size = sizeof($v_list_path); // ----- Study directories paths $i = 0; $j = 0; while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) { // ----- Look for empty dir (path reduction) if ($v_list_dir[$i] == '') { $i++; continue; } if ($v_list_path[$j] == '') { $j++; continue; } // ----- Compare the items if (($v_list_dir[$i] != $v_list_path[$j]) && ($v_list_dir[$i] != '') && ( $v_list_path[$j] != '')) { $v_result = 0; } // ----- Next items $i++; $j++; } // ----- Look if everything seems to be the same if ($v_result) { // ----- Skip all the empty items while (($j < $v_list_path_size) && ($v_list_path[$j] == '')) $j++; while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) $i++; if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) { // ----- There are exactly the same $v_result = 2; } else if ($i < $v_list_dir_size) { // ----- The path is shorter than the dir $v_result = 0; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilCopyBlock() // Description : // Parameters : // $p_mode : read/write compression mode // 0 : src & dest normal // 1 : src gzip, dest normal // 2 : src normal, dest gzip // 3 : src & dest gzip // Return Values : // -------------------------------------------------------------------------------- function PclZipUtilCopyBlock($p_src, $p_dest, $p_size, $p_mode=0) { $v_result = 1; if ($p_mode==0) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($p_src, $v_read_size); @fwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } else if ($p_mode==1) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @gzread($p_src, $v_read_size); @fwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } else if ($p_mode==2) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @fread($p_src, $v_read_size); @gzwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } else if ($p_mode==3) { while ($p_size != 0) { $v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE); $v_buffer = @gzread($p_src, $v_read_size); @gzwrite($p_dest, $v_buffer, $v_read_size); $p_size -= $v_read_size; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilRename() // Description : // This function tries to do a simple rename() function. If it fails, it // tries to copy the $p_src file in a new $p_dest file and then unlink the // first one. // Parameters : // $p_src : Old filename // $p_dest : New filename // Return Values : // 1 on success, 0 on failure. // -------------------------------------------------------------------------------- function PclZipUtilRename($p_src, $p_dest) { $v_result = 1; // ----- Try to rename the files if (!@rename($p_src, $p_dest)) { // ----- Try to copy & unlink the src if (!@copy($p_src, $p_dest)) { $v_result = 0; } else if (!@unlink($p_src)) { $v_result = 0; } } // ----- Return return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilOptionText() // Description : // Translate option value in text. Mainly for debug purpose. // Parameters : // $p_option : the option value. // Return Values : // The option text value. // -------------------------------------------------------------------------------- function PclZipUtilOptionText($p_option) { $v_list = get_defined_constants(); for (reset($v_list); $v_key = key($v_list); next($v_list)) { $v_prefix = substr($v_key, 0, 10); if (( ($v_prefix == 'PCLZIP_OPT') || ($v_prefix == 'PCLZIP_CB_') || ($v_prefix == 'PCLZIP_ATT')) && ($v_list[$v_key] == $p_option)) { return $v_key; } } $v_result = 'Unknown'; return $v_result; } // -------------------------------------------------------------------------------- // -------------------------------------------------------------------------------- // Function : PclZipUtilTranslateWinPath() // Description : // Translate windows path by replacing '\' by '/' and optionally removing // drive letter. // Parameters : // $p_path : path to translate. // $p_remove_disk_letter : true | false // Return Values : // The path translated. // -------------------------------------------------------------------------------- function PclZipUtilTranslateWinPath($p_path, $p_remove_disk_letter=true) { if (stristr(php_uname(), 'windows')) { // ----- Look for potential disk letter if (($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; } // -------------------------------------------------------------------------------- ?>