/**
* Decompress a given file to the given target directory
*
* Determines the compression type from the file extension
*/
function decompress($file, $target)
{
global $conf;
// decompression library doesn't like target folders ending in "/"
if (substr($target, -1) == "/") {
$target = substr($target, 0, -1);
}
$ext = $this->guess_archive($file);
if (in_array($ext, array('tar', 'bz', 'gz'))) {
switch ($ext) {
case 'bz':
$compress_type = TarLib::COMPRESS_BZIP;
break;
case 'gz':
$compress_type = TarLib::COMPRESS_GZIP;
break;
default:
$compress_type = TarLib::COMPRESS_NONE;
}
$tar = new TarLib($file, $compress_type);
if ($tar->_initerror < 0) {
if ($conf['allowdebug']) {
msg('TarLib Error: ' . $tar->TarErrorStr($tar->_initerror), -1);
}
return false;
}
$ok = $tar->Extract(TarLib::FULL_ARCHIVE, $target, '', 0777);
if ($ok < 1) {
if ($conf['allowdebug']) {
msg('TarLib Error: ' . $tar->TarErrorStr($ok), -1);
}
return false;
}
return true;
} else {
if ($ext == 'zip') {
$zip = new ZipLib();
$ok = $zip->Extract($file, $target);
// FIXME sort something out for handling zip error messages meaningfully
return $ok == -1 ? false : true;
}
}
// unsupported file type
return false;
}
function ap_decompress($file, $target)
{
global $conf;
// decompression library doesn't like target folders ending in "/"
if (substr($target, -1) == "/") {
$target = substr($target, 0, -1);
}
$ext = substr($file, strrpos($file, '.') + 1);
// .tar, .tar.bz, .tar.gz, .tgz
if (in_array($ext, array('tar', 'bz', 'bz2', 'gz', 'tgz'))) {
require_once DOKU_INC . "inc/TarLib.class.php";
if (strpos($ext, 'bz') !== false) {
$compress_type = COMPRESS_BZIP;
} else {
if (strpos($ext, 'gz') !== false) {
$compress_type = COMPRESS_GZIP;
} else {
$compress_type = COMPRESS_NONE;
}
}
$tar = new TarLib($file, $compress_type);
if ($tar->_initerror < 0) {
if ($conf['allowdebug']) {
msg('TarLib Error: ' . $tar->TarErrorStr($tar->_initerror), -1);
}
return false;
}
$ok = $tar->Extract(FULL_ARCHIVE, $target, '', 0777);
if ($ok < 1) {
if ($conf['allowdebug']) {
msg('TarLib Error: ' . $tar->TarErrorStr($ok), -1);
}
return false;
}
return true;
} else {
if ($ext == 'zip') {
require_once DOKU_INC . "inc/ZipLib.class.php";
$zip = new ZipLib();
$ok = $zip->Extract($file, $target);
// FIXME sort something out for handling zip error messages meaningfully
return $ok == -1 ? false : true;
} else {
if ($ext == "rar") {
// not yet supported -- fix me
return false;
}
}
}
// unsupported file type
return false;
}
