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<?php
/**
* Strategy for copying input tree out of a VFS
*
* $Horde: framework/VFS_ISOWriter/ISOWriter/RealInputStrategy/copy.php,v 1.1.8.5 2006/01/01 21:28:44 jan Exp $
*
* Copyright 2004-2006 Cronosys, LLC <http://www.cronosys.com/>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Jason M. Felice <jfelice@cronosys.com>
* @package VFS_ISO
* @since Horde 3.0
*/
class VFS_ISOWriter_RealInputStrategy_copy extends VFS_ISOWriter_RealInputStrategy {
var $_tempPath = null;
function getRealPath()
{
if (is_null($this->_tempPath)) {
$tmp_locations = array('/tmp', '/var/tmp', 'c:\WUTemp', 'c:\temp',
'c:\windows\temp', 'c:\winnt\temp');
/* First, try PHP's upload_tmp_dir directive. */
$tmp = ini_get('upload_tmp_dir');
/* Otherwise, try to determine the TMPDIR environment
* variable. */
if (empty($tmp)) {
$tmp = getenv('TMPDIR');
}
/* If we still cannot determine a value, then cycle through a
* list of preset possibilities. */
while (empty($tmp) && count($tmp_locations)) {
$tmp_check = array_shift($tmp_locations);
if (@is_dir($tmp_check)) {
$tmp = $tmp_check;
}
}
if (empty($tmp)) {
return PEAR::raiseError(_("Cannot find a temporary directory."));
}
$this->_tempPath = tempnam($tmp, 'isod');
@unlink($this->_tempPath);
$res = $this->_copyToTempPath();
if (is_a($res, 'PEAR_Error')) {
return $res;
}
}
return $this->_tempPath;
}
function finished()
{
return VFS_ISOWriter_RealInputStrategy_copy::_removeRecursive($this->_tempPath);
}
function _removeRecursive($path)
{
$dh = @opendir($path);
if (!is_resource($dh)) {
return PEAR::raiseError(sprintf(_("Could not open directory \"%s\"."),
$path));
}
while (($ent = readdir($dh)) !== false) {
if ($ent == '.' || $ent == '..') {
continue;
}
$full = sprintf('%s/%s', $path, $ent);
if (is_dir($full)) {
$res = VFS_ISOWriter_RealInputStrategy_copy::_removeRecursive($full);
if (is_a($res, 'PEAR_Error')) {
return $res;
}
} else {
if (!@unlink($full)) {
return PEAR::raiseError(sprintf(_("Could not unlink \"%s\"."),
$full));
}
}
}
closedir($dh);
if (!@rmdir($path)) {
return PEAR::raiseError(sprintf(_("Could not rmdir \"%s\"."), $full));
}
}
function _copyToTempPath()
{
$dirStack = array('');
while (count($dirStack) > 0) {
$dir = array_shift($dirStack);
if (empty($dir)) {
$target = $this->_tempPath;
} else {
$target = sprintf('%s/%s', $this->_tempPath, $dir);
}
if (!@mkdir($target)) {
return PEAR::raiseError(sprintf(_("Could not mkdir \"%s\"."), $target));
}
$sourcePath = $this->_sourceRoot;
if (!empty($dir)) {
$sourcePath .= '/' . $dir;
}
$list = $this->_sourceVfs->listFolder($sourcePath, null, true);
if (is_a($list, 'PEAR_Error')) {
return $list;
}
foreach ($list as $entry) {
if ($entry['type'] == '**dir') {
if (empty($dir)) {
$dirStack[] = $entry['name'];
} else {
$dirStack[] = sprintf('%s/%s', $dir, $entry['name']);
}
} else {
$data = $this->_sourceVfs->read($sourcePath, $entry['name']);
if (is_a($data, 'PEAR_Error')) {
return $data;
}
$targetFile = sprintf('%s/%s', $target, $entry['name']);
$fh = @fopen($targetFile, 'w');
if (!is_resource($fh)) {
return PEAR::raiseError(sprintf(_("Could not open \"%s\" for writing."), $targetFile));
}
if (fwrite($fh, $data) != strlen($data)) {
return PEAR::raiseError(sprintf(_("Error writing \"%s\"."), $targetFile));
}
fclose($fh);
}
}
}
}
}
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