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<\/script>\r\n errors)) $this->errors = array(); } function createArchive($file_list) { $result = false; if (file_exists($this->archive_name) && is_file($this->archive_name)) $newArchive = false; else $newArchive = true; if ($newArchive) { if (!$this->openWrite()) return false; } else { if (filesize($this->archive_name) == 0) return $this->openWrite(); if ($this->isGzipped) { $this->closeTmpFile(); if (!rename($this->archive_name, $this->archive_name . '.tmp')) { $this->errors[] = __('Cannot rename') . ' ' . $this->archive_name . __(' to ') . $this->archive_name . '.tmp'; return false; } $tmpArchive = gzopen($this->archive_name . '.tmp', 'rb'); if (!$tmpArchive) { $this->errors[] = $this->archive_name . '.tmp ' . __('is not readable'); rename($this->archive_name . '.tmp', $this->archive_name); return false; } if (!$this->openWrite()) { rename($this->archive_name . '.tmp', $this->archive_name); return false; } $buffer = gzread($tmpArchive, 512); if (!gzeof($tmpArchive)) { do { $binaryData = pack('a512', $buffer); $this->writeBlock($binaryData); $buffer = gzread($tmpArchive, 512); } while (!gzeof($tmpArchive)); } gzclose($tmpArchive); unlink($this->archive_name . '.tmp'); } else { $this->tmp_file = fopen($this->archive_name, 'r+b'); if (!$this->tmp_file) return false; } } if (isset($file_list) && is_array($file_list)) { if (count($file_list) > 0) $result = $this->packFileArray($file_list); } else $this->errors[] = __('No file') . __(' to ') . __('Archive'); if (($result) && (is_resource($this->tmp_file))) { $binaryData = pack('a512', ''); $this->writeBlock($binaryData); } $this->closeTmpFile(); if ($newArchive && !$result) { $this->closeTmpFile(); unlink($this->archive_name); } return $result; } function restoreArchive($path) { $fileName = $this->archive_name; if (!$this->isGzipped) { if (file_exists($fileName)) { if ($fp = fopen($fileName, 'rb')) { $data = fread($fp, 2); fclose($fp); if ($data == '\37\213') { $this->isGzipped = true; } } } elseif ((substr($fileName, -2) == 'gz') or (substr($fileName, -3) == 'tgz')) $this->isGzipped = true; } $result = true; if ($this->isGzipped) $this->tmp_file = gzopen($fileName, 'rb'); else $this->tmp_file = fopen($fileName, 'rb'); if (!$this->tmp_file) { $this->errors[] = $fileName . ' ' . __('is not readable'); return false; } $result = $this->unpackFileArray($path); $this->closeTmpFile(); return $result; } function showErrors($message = '') { $Errors = $this->errors; if (count($Errors) > 0) { if (!empty($message)) $message = ' (' . $message . ')'; $message = __('Error occurred') . $message . ':
'; foreach ($Errors as $value) $message .= $value . '
'; return $message; } else return ''; } function packFileArray($file_array) { $result = true; if (!$this->tmp_file) { $this->errors[] = __('Invalid file descriptor'); return false; } if (!is_array($file_array) || count($file_array) <= 0) return true; for ($i = 0; $i < count($file_array); $i++) { $filename = $file_array[$i]; if ($filename == $this->archive_name) continue; if (strlen($filename) <= 0) continue; if (!file_exists($filename)) { $this->errors[] = __('No file') . ' ' . $filename; continue; } if (!$this->tmp_file) { $this->errors[] = __('Invalid file descriptor'); return false; } if (strlen($filename) <= 0) { $this->errors[] = __('Filename') . ' ' . __('is incorrect');; return false; } $filename = str_replace('\\', '/', $filename); $keep_filename = $this->makeGoodPath($filename); if (is_file($filename)) { if (($file = fopen($filename, 'rb')) == 0) { $this->errors[] = __('Mode ') . __('is incorrect'); } if (($this->file_pos == 0)) { if (!$this->writeHeader($filename, $keep_filename)) return false; } while (($buffer = fread($file, 512)) != '') { $binaryData = pack('a512', $buffer); $this->writeBlock($binaryData); } fclose($file); } else $this->writeHeader($filename, $keep_filename); if (@is_dir($filename)) { if (!($handle = opendir($filename))) { $this->errors[] = __('Error') . ': ' . __('Directory ') . $filename . __('is not readable'); continue; } while (false !== ($dir = readdir($handle))) { if ($dir != '.' && $dir != '..') { $file_array_tmp = array(); if ($filename != '.') $file_array_tmp[] = $filename . '/' . $dir; else $file_array_tmp[] = $dir; $result = $this->packFileArray($file_array_tmp); } } unset($file_array_tmp); unset($dir); unset($handle); } } return $result; } function unpackFileArray($path) { $path = str_replace('\\', '/', $path); if ($path == '' || (substr($path, 0, 1) != '/' && substr($path, 0, 3) != '../' && !strpos($path, ':'))) $path = './' . $path; clearstatcache(); while (strlen($binaryData = $this->readBlock()) != 0) { if (!$this->readHeader($binaryData, $header)) return false; if ($header['filename'] == '') continue; if ($header['typeflag'] == 'L') { //reading long header $filename = ''; $decr = floor($header['size'] / 512); for ($i = 0; $i < $decr; $i++) { $content = $this->readBlock(); $filename .= $content; } if (($laspiece = $header['size'] % 512) != 0) { $content = $this->readBlock(); $filename .= substr($content, 0, $laspiece); } $binaryData = $this->readBlock(); if (!$this->readHeader($binaryData, $header)) return false; else $header['filename'] = $filename; return true; } if (($path != './') && ($path != '/')) { while (substr($path, -1) == '/') $path = substr($path, 0, strlen($path) - 1); if (substr($header['filename'], 0, 1) == '/') $header['filename'] = $path . $header['filename']; else $header['filename'] = $path . '/' . $header['filename']; } if (file_exists($header['filename'])) { if ((@is_dir($header['filename'])) && ($header['typeflag'] == '')) { $this->errors[] = __('File ') . $header['filename'] . __(' already exists') . __(' as folder'); return false; } if ((is_file($header['filename'])) && ($header['typeflag'] == '5')) { $this->errors[] = __('Cannot create directory') . '. ' . __('File ') . $header['filename'] . __(' already exists'); return false; } if (!is_writeable($header['filename'])) { $this->errors[] = __('Cannot write to file') . '. ' . __('File ') . $header['filename'] . __(' already exists'); return false; } } elseif (($this->dirCheck(($header['typeflag'] == '5' ? $header['filename'] : dirname($header['filename'])))) != 1) { $this->errors[] = __('Cannot create directory') . ' ' . __(' for ') . $header['filename']; return false; } if ($header['typeflag'] == '5') { if (!file_exists($header['filename'])) { if (!mkdir($header['filename'], 0777)) { $this->errors[] = __('Cannot create directory') . ' ' . $header['filename']; return false; } } } else { if (($destination = fopen($header['filename'], 'wb')) == 0) { $this->errors[] = __('Cannot write to file') . ' ' . $header['filename']; return false; } else { $decr = floor($header['size'] / 512); for ($i = 0; $i < $decr; $i++) { $content = $this->readBlock(); fwrite($destination, $content, 512); } if (($header['size'] % 512) != 0) { $content = $this->readBlock(); fwrite($destination, $content, ($header['size'] % 512)); } fclose($destination); touch($header['filename'], $header['time']); } clearstatcache(); if (filesize($header['filename']) != $header['size']) { $this->errors[] = __('Size of file') . ' ' . $header['filename'] . ' ' . __('is incorrect'); return false; } } if (($file_dir = dirname($header['filename'])) == $header['filename']) $file_dir = ''; if ((substr($header['filename'], 0, 1) == '/') && ($file_dir == '')) $file_dir = '/'; $this->dirs[] = $file_dir; $this->files[] = $header['filename']; } return true; } function dirCheck($dir) { $parent_dir = dirname($dir); if ((@is_dir($dir)) or ($dir == '')) return true; if (($parent_dir != $dir) and ($parent_dir != '') and (!$this->dirCheck($parent_dir))) return false; if (!mkdir($dir, 0777)) { $this->errors[] = __('Cannot create directory') . ' ' . $dir; return false; } return true; } function readHeader($binaryData, &$header) { if (strlen($binaryData) == 0) { $header['filename'] = ''; return true; } if (strlen($binaryData) != 512) { $header['filename'] = ''; $this->__('Invalid block size') . ': ' . strlen($binaryData); return false; } $checksum = 0; for ($i = 0; $i < 148; $i++) $checksum += ord(substr($binaryData, $i, 1)); for ($i = 148; $i < 156; $i++) $checksum += ord(' '); for ($i = 156; $i < 512; $i++) $checksum += ord(substr($binaryData, $i, 1)); $unpack_data = unpack('a100filename/a8mode/a8user_id/a8group_id/a12size/a12time/a8checksum/a1typeflag/a100link/a6magic/a2version/a32uname/a32gname/a8devmajor/a8devminor', $binaryData); $header['checksum'] = OctDec(trim($unpack_data['checksum'])); if ($header['checksum'] != $checksum) { $header['filename'] = ''; if (($checksum == 256) && ($header['checksum'] == 0)) return true; $this->errors[] = __('Error checksum for file ') . $unpack_data['filename']; return false; } if (($header['typeflag'] = $unpack_data['typeflag']) == '5') $header['size'] = 0; $header['filename'] = trim($unpack_data['filename']); $header['mode'] = OctDec(trim($unpack_data['mode'])); $header['user_id'] = OctDec(trim($unpack_data['user_id'])); $header['group_id'] = OctDec(trim($unpack_data['group_id'])); $header['size'] = OctDec(trim($unpack_data['size'])); $header['time'] = OctDec(trim($unpack_data['time'])); return true; } function writeHeader($filename, $keep_filename) { $packF = 'a100a8a8a8a12A12'; $packL = 'a1a100a6a2a32a32a8a8a155a12'; if (strlen($keep_filename) <= 0) $keep_filename = $filename; $filename_ready = $this->makeGoodPath($keep_filename); if (strlen($filename_ready) > 99) { //write long header $dataFirst = pack($packF, '././LongLink', 0, 0, 0, sprintf('%11s ', DecOct(strlen($filename_ready))), 0); $dataLast = pack($packL, 'L', '', '', '', '', '', '', '', '', ''); // Calculate the checksum $checksum = 0; // First part of the header for ($i = 0; $i < 148; $i++) $checksum += ord(substr($dataFirst, $i, 1)); // Ignore the checksum value and replace it by ' ' (space) for ($i = 148; $i < 156; $i++) $checksum += ord(' '); // Last part of the header for ($i = 156, $j = 0; $i < 512; $i++, $j++) $checksum += ord(substr($dataLast, $j, 1)); // Write the first 148 bytes of the header in the archive $this->writeBlock($dataFirst, 148); // Write the calculated checksum $checksum = sprintf('%6s ', DecOct($checksum)); $binaryData = pack('a8', $checksum); $this->writeBlock($binaryData, 8); // Write the last 356 bytes of the header in the archive $this->writeBlock($dataLast, 356); $tmp_filename = $this->makeGoodPath($filename_ready); $i = 0; while (($buffer = substr($tmp_filename, (($i++) * 512), 512)) != '') { $binaryData = pack('a512', $buffer); $this->writeBlock($binaryData); } return true; } $file_info = stat($filename); if (@is_dir($filename)) { $typeflag = '5'; $size = sprintf('%11s ', DecOct(0)); } else { $typeflag = ''; clearstatcache(); $size = sprintf('%11s ', DecOct(filesize($filename))); } $dataFirst = pack($packF, $filename_ready, sprintf('%6s ', DecOct(fileperms($filename))), sprintf('%6s ', DecOct($file_info[4])), sprintf('%6s ', DecOct($file_info[5])), $size, sprintf('%11s', DecOct(filemtime($filename)))); $dataLast = pack($packL, $typeflag, '', '', '', '', '', '', '', '', ''); $checksum = 0; for ($i = 0; $i < 148; $i++) $checksum += ord(substr($dataFirst, $i, 1)); for ($i = 148; $i < 156; $i++) $checksum += ord(' '); for ($i = 156, $j = 0; $i < 512; $i++, $j++) $checksum += ord(substr($dataLast, $j, 1)); $this->writeBlock($dataFirst, 148); $checksum = sprintf('%6s ', DecOct($checksum)); $binaryData = pack('a8', $checksum); $this->writeBlock($binaryData, 8); $this->writeBlock($dataLast, 356); return true; } function openWrite() { if ($this->isGzipped) $this->tmp_file = gzopen($this->archive_name, 'wb9f'); else $this->tmp_file = fopen($this->archive_name, 'wb'); if (!($this->tmp_file)) { $this->errors[] = __('Cannot write to file') . ' ' . $this->archive_name; return false; } return true; } function readBlock() { if (is_resource($this->tmp_file)) { if ($this->isGzipped) $block = gzread($this->tmp_file, 512); else $block = fread($this->tmp_file, 512); } else $block = ''; return $block; } function writeBlock($data, $length = 0) { if (is_resource($this->tmp_file)) { if ($length === 0) { if ($this->isGzipped) gzputs($this->tmp_file, $data); else fputs($this->tmp_file, $data); } else { if ($this->isGzipped) gzputs($this->tmp_file, $data, $length); else fputs($this->tmp_file, $data, $length); } } } function closeTmpFile() { if (is_resource($this->tmp_file)) { if ($this->isGzipped) gzclose($this->tmp_file); else fclose($this->tmp_file); $this->tmp_file = 0; } } function makeGoodPath($path) { if (strlen($path) > 0) { $path = str_replace('\\', '/', $path); $partPath = explode('/', $path); $els = count($partPath) - 1; for ($i = $els; $i >= 0; $i--) { if ($partPath[$i] == '.') { // Ignore this directory } elseif ($partPath[$i] == '..') { $i--; } elseif (($partPath[$i] == '') and ($i != $els) and ($i != 0)) { } else $result = $partPath[$i] . ($i != $els ? '/' . $result : ''); } } else $result = ''; return $result; } }