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<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
/////////////////////////////////////////////////////////////////
// //
// /demo/demo.zip.php - part of getID3() //
// Sample script how to use getID3() to decompress zip files //
// See readme.txt for more details //
// ///
/////////////////////////////////////////////////////////////////
function UnzipFileContents($filename, &$errors) {
$errors = array();
$DecompressedFileContents = array();
if (include_once('getid3.module.archive.zip.php')) {
ob_start();
if ($fp_ziptemp = fopen($filename, 'rb')) {
ob_end_clean();
$ThisFileInfo['filesize'] = filesize($filename);
$getid3_zip = new getid3_zip($fp_ziptemp, $ThisFileInfo);
if (($ThisFileInfo['fileformat'] == 'zip') && !empty($ThisFileInfo['zip']['files'])) {
if (!empty($ThisFileInfo['zip']['central_directory'])) {
$ZipDirectoryToWalk = $ThisFileInfo['zip']['central_directory'];
} elseif (!empty($ThisFileInfo['zip']['entries'])) {
$ZipDirectoryToWalk = $ThisFileInfo['zip']['entries'];
} else {
$errors[] = 'failed to parse ZIP attachment "'.$piece_filename.'" (no central directory)<br>';
fclose($fp_ziptemp);
return false;
}
foreach ($ZipDirectoryToWalk as $key => $valuearray) {
fseek($fp_ziptemp, $valuearray['entry_offset'], SEEK_SET);
$LocalFileHeader = $getid3_zip->ZIPparseLocalFileHeader($fp_ziptemp);
if ($LocalFileHeader['flags']['encrypted']) {
// password-protected
$DecompressedFileContents[$valuearray['filename']] = '';
} else {
fseek($fp_ziptemp, $LocalFileHeader['data_offset'], SEEK_SET);
$compressedFileData = '';
while ((strlen($compressedFileData) < $LocalFileHeader['compressed_size']) && !feof($fp_ziptemp)) {
$compressedFileData .= fread($fp_ziptemp, 32768);
}
switch ($LocalFileHeader['raw']['compression_method']) {
case 0:
// store - great, do nothing at all
$uncompressedFileData = $compressedFileData;
break;
case 8:
ob_start();
$uncompressedFileData = gzinflate($compressedFileData);
$gzinflate_errors = ob_get_contents();
ob_end_clean();
if ($gzinflate_errors) {
$errors[] = 'gzinflate() failed: "'.trim($gzinflate_errors).'"';
continue 2;
}
break;
default:
$DecompressedFileContents[$valuearray['filename']] = '';
$errors[] = 'unknown ZIP compression method ('.$LocalFileHeader['raw']['compression_method'].')';
continue 2;
}
$DecompressedFileContents[$valuearray['filename']] = $uncompressedFileData;
unset($compressedFileData);
}
}
} else {
$errors[] = $filename.' does not appear to be a zip file';
}
} else {
$error_message = ob_get_contents();
ob_end_clean();
$errors[] = 'failed to fopen('.$filename.', rb): '.$error_message;
}
} else {
$errors[] = 'failed to include_once(getid3.module.archive.zip.php)';
}
return $DecompressedFileContents;
}
?>
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