diff options
Diffstat (limited to 'hugo/libraries/zip_extension.lib.php')
| -rw-r--r-- | hugo/libraries/zip_extension.lib.php | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/hugo/libraries/zip_extension.lib.php b/hugo/libraries/zip_extension.lib.php new file mode 100644 index 0000000..db493e7 --- /dev/null +++ b/hugo/libraries/zip_extension.lib.php @@ -0,0 +1,188 @@ +<?php +/* vim: set expandtab sw=4 ts=4 sts=4: */ +/** + * Interface for the zip extension + * + * @package PhpMyAdmin + */ +if (! defined('PHPMYADMIN')) { + exit; +} + +/** + * Gets zip file contents + * + * @param string $file zip file + * @param string $specific_entry regular expression to match a file + * + * @return array ($error_message, $file_data); $error_message + * is empty if no error + */ +function PMA_getZipContents($file, $specific_entry = null) +{ + $error_message = ''; + $file_data = ''; + $zip_handle = zip_open($file); + if (is_resource($zip_handle)) { + $first_zip_entry = zip_read($zip_handle); + if (false === $first_zip_entry) { + $error_message = __('No files found inside ZIP archive!'); + } else { + /* Is the the zip really an ODS file? */ + $read = zip_entry_read($first_zip_entry); + $ods_mime = 'application/vnd.oasis.opendocument.spreadsheet'; + if (!strcmp($ods_mime, $read)) { + $specific_entry = '/^content\.xml$/'; + } + + if (isset($specific_entry)) { + /* Return the correct contents, not just the first entry */ + for ( ; ; ) { + $entry = zip_read($zip_handle); + if (is_resource($entry)) { + if (preg_match($specific_entry, zip_entry_name($entry))) { + zip_entry_open($zip_handle, $entry, 'r'); + $file_data = zip_entry_read( + $entry, + zip_entry_filesize($entry) + ); + zip_entry_close($entry); + break; + } + } else { + /** + * Either we have reached the end of the zip and still + * haven't found $specific_entry or there was a parsing + * error that we must display + */ + if ($entry === false) { + $error_message = __('Error in ZIP archive:') + . ' Could not find "' . $specific_entry . '"'; + } else { + $error_message = __('Error in ZIP archive:') + . ' ' . PMA_getZipError($zip_handle); + } + + break; + } + } + } else { + zip_entry_open($zip_handle, $first_zip_entry, 'r'); + /* File pointer has already been moved, + * so include what was read above */ + $file_data = $read; + $file_data .= zip_entry_read( + $first_zip_entry, + zip_entry_filesize($first_zip_entry) + ); + zip_entry_close($first_zip_entry); + } + } + } else { + $error_message = __('Error in ZIP archive:') + . ' ' . PMA_getZipError($zip_handle); + } + zip_close($zip_handle); + return (array('error' => $error_message, 'data' => $file_data)); +} + +/** + * Returns the file name of the first file that matches the given $file_regexp. + * + * @param string $file_regexp regular expression for the file name to match + * @param string $file zip archive + * + * @return string the file name of the first file that matches the given regexp + */ +function PMA_findFileFromZipArchive ($file_regexp, $file) +{ + $zip_handle = zip_open($file); + if (is_resource($zip_handle)) { + $entry = zip_read($zip_handle); + while (is_resource($entry)) { + if (preg_match($file_regexp, zip_entry_name($entry))) { + $file_name = zip_entry_name($entry); + zip_close($zip_handle); + return $file_name; + } + $entry = zip_read($zip_handle); + } + } + zip_close($zip_handle); + return false; +} + +/** + * Returns the number of files in the zip archive. + * + * @param string $file zip archive + * + * @return int the number of files in the zip archive + */ +function PMA_getNoOfFilesInZip($file) +{ + $count = 0; + $zip_handle = zip_open($file); + if (is_resource($zip_handle)) { + $entry = zip_read($zip_handle); + while (is_resource($entry)) { + $count++; + $entry = zip_read($zip_handle); + } + } + zip_close($zip_handle); + return $count; +} + +/** + * Extracts a set of files from the given zip archive to a given destinations. + * + * @param string $zip_path path to the zip archive + * @param string $destination destination to extract files + * @param array $entries files in archive that should be extracted + * + * @return bool true on sucess, false otherwise + */ +function PMA_zipExtract($zip_path, $destination, $entries) +{ + $zip = new ZipArchive; + if ($zip->open($zip_path) === true) { + $zip->extractTo($destination, $entries); + $zip->close(); + return true; + } + return false; +} + +/** + * Gets zip error message + * + * @param integer $code error code + * + * @return string error message + */ +function PMA_getZipError($code) +{ + // I don't think this needs translation + switch ($code) { + case ZIPARCHIVE::ER_MULTIDISK: + $message = 'Multi-disk zip archives not supported'; + break; + case ZIPARCHIVE::ER_READ: + $message = 'Read error'; + break; + case ZIPARCHIVE::ER_CRC: + $message = 'CRC error'; + break; + case ZIPARCHIVE::ER_NOZIP: + $message = 'Not a zip archive'; + break; + case ZIPARCHIVE::ER_INCONS: + $message = 'Zip archive inconsistent'; + break; + default: + $message = $code; + } + return $message; +} +?> |