Prado\IO\TTarFileExtractor::_extractList PHP Метод

_extractList() защищенный Метод

protected _extractList ( $p_path, &$p_list_detail, $p_mode, $p_file_list, $p_remove_path )
    protected function _extractList($p_path, &$p_list_detail, $p_mode, $p_file_list, $p_remove_path)
    {
        $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($v_header)) {
                    return false;
                }
            }
            if (!$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]) {
                            $v_extract_file = true;
                            break;
                        }
                    } elseif ($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'], $p_remove_path_size);
                }
                if ($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']) > $v_header['mtime']) {
                        // To be completed : An error or silent no replace ?
                    }
                } elseif (($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'], PRADO_CHMOD)) {
                                $this->_error('Unable to create directory {' . $v_header['filename'] . '}');
                                return false;
                            }
                            chmod($v_header['filename'], PRADO_CHMOD);
                        }
                    } 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);
                            // ----- Change the file mode, mtime
                            @touch($v_header['filename'], $v_header['mtime']);
                            // To be completed
                            //chmod($v_header[filename], DecOct($v_header[mode]));
                        }
                        // ----- Check the file size
                        clearstatcache();
                        if (filesize($v_header['filename']) != $v_header['size']) {
                            $this->_error('Extracted file ' . $v_header['filename'] . ' does not have the correct file size \'' . filesize($v_header['filename']) . '\' (' . $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;
            }
        }
        return true;
    }