function UnzipFileContents($filename, &$errors)
{
$errors = array();
$DecompressedFileContents = array();
if (!class_exists('getID3')) {
$errors[] = 'class getID3 not defined, please include getid3.php';
} elseif (include_once 'module.archive.zip.php') {
$getid3 = new getID3();
$getid3->info['filesize'] = filesize($filename);
ob_start();
if ($getid3->fp = fopen($filename, 'rb')) {
ob_end_clean();
$getid3_zip = new getid3_zip($getid3);
$getid3_zip->analyze($filename);
if ($getid3->info['fileformat'] == 'zip' && !empty($getid3->info['zip']['files'])) {
if (!empty($getid3->info['zip']['central_directory'])) {
$ZipDirectoryToWalk = $getid3->info['zip']['central_directory'];
} elseif (!empty($getid3->info['zip']['entries'])) {
$ZipDirectoryToWalk = $getid3->info['zip']['entries'];
} else {
$errors[] = 'failed to parse ZIP attachment "' . $piece_filename . '" (no central directory)<br>';
fclose($getid3->fp);
return false;
}
foreach ($ZipDirectoryToWalk as $key => $valuearray) {
fseek($getid3->fp, $valuearray['entry_offset'], SEEK_SET);
$LocalFileHeader = $getid3_zip->ZIPparseLocalFileHeader($getid3->fp);
if ($LocalFileHeader['flags']['encrypted']) {
// password-protected
$DecompressedFileContents[$valuearray['filename']] = '';
} else {
fseek($getid3->fp, $LocalFileHeader['data_offset'], SEEK_SET);
$compressedFileData = '';
while (strlen($compressedFileData) < $LocalFileHeader['compressed_size'] && !feof($getid3->fp)) {
$compressedFileData .= fread($getid3->fp, 32768);
}
switch ($LocalFileHeader['raw']['compression_method']) {
case 0:
// store - great, just copy data unchanged
$uncompressedFileData = $compressedFileData;
break;
case 8:
// deflate
ob_start();
$uncompressedFileData = gzinflate($compressedFileData);
$gzinflate_errors = trim(strip_tags(ob_get_contents()));
ob_end_clean();
if ($gzinflate_errors) {
$errors[] = 'gzinflate() failed for file [' . $LocalFileHeader['filename'] . ']: "' . $gzinflate_errors . '"';
continue 2;
}
break;
case 1:
// shrink
// shrink
case 2:
// reduce-1
// reduce-1
case 3:
// reduce-2
// reduce-2
case 4:
// reduce-3
// reduce-3
case 5:
// reduce-4
// reduce-4
case 6:
// implode
// implode
case 7:
// tokenize
// tokenize
case 9:
// deflate64
// deflate64
case 10:
// PKWARE Date Compression Library Imploding
$DecompressedFileContents[$valuearray['filename']] = '';
$errors[] = 'unsupported ZIP compression method (' . $LocalFileHeader['raw']['compression_method'] . ' = ' . $getid3_zip->ZIPcompressionMethodLookup($LocalFileHeader['raw']['compression_method']) . ')';
continue 2;
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(module.archive.zip.php)';
}
return $DecompressedFileContents;
}
public static function CreateDeepArray($array_path, $separator, $value)
{
// assigns $value to a nested array path:
// $foo = getid3_lib::CreateDeepArray('/path/to/my', '/', 'file.txt')
// is the same as:
// $foo = array ('path'=>array('to'=>'array('my'=>array('file.txt'))));
// or
// $foo['path']['to']['my'] = 'file.txt';
while ($array_path[0] == $separator) {
$array_path = substr($array_path, 1);
}
if (($pos = strpos($array_path, $separator)) !== false) {
return array(substr($array_path, 0, $pos) => getid3_zip::CreateDeepArray(substr($array_path, $pos + 1), $separator, $value));
}
return array($array_path => $value);
}
function UnzipFileContents($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;
}
