Viewing file:  SimpleCallback.inc (4.17 KB) -rw-r--r--
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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* This view lets you make very simple callbacks to the framework to get very specific data.
* Eventually this will probably get refactored into a much more sophisticated framework.
*
* @package GalleryCore
* @subpackage UserInterface
* @author Bharat Mediratta <bharat@menalto.com>
* @version $Revision: 15513 $
*/
class SimpleCallbackView extends GalleryView {
/**
* @see GalleryView::isImmediate
*/
function isImmediate() {
return true;
}
/**
* @see GalleryView::isControllerLike
*/
function isControllerLike() {
return true;
}
/**
* @see GalleryView::renderImmediate
*/
function renderImmediate($status, $error) {
list ($command, $prefix) = GalleryUtilities::getRequestVariables('command', 'prefix');
list ($ret, $isAnonymous) = GalleryCoreApi::isAnonymousUser();
if ($ret) {
return $ret;
}
if (!headers_sent()) {
header("Content-type: text/plain; charset=UTF-8");
}
switch($command) {
case 'lookupUsername':
if (!$isAnonymous) {
list ($ret, $usernames) = GalleryCoreApi::fetchUsernames(10, null, $prefix);
if (!$ret) {
print implode("\n", $usernames);
}
}
break;
case 'lookupGroupname':
if (!$isAnonymous) {
list ($ret, $groupNames) = GalleryCoreApi::fetchGroupNames(10, null, $prefix);
if (!$ret) {
print implode("\n", $groupNames);
}
}
break;
case 'lookupDirectories':
list ($ret, $isSiteAdmin) = GalleryCoreApi::isUserInSiteAdminGroup();
if (!$ret && $isSiteAdmin) {
GalleryUtilities::unsanitizeInputValues($prefix, false);
$dirs = implode("\n", $this->_getDirectoryListing($prefix, false));
GalleryUtilities::sanitizeInputValues($dirs, false);
print $dirs;
}
break;
case 'lookupFiles':
list ($ret, $isSiteAdmin) = GalleryCoreApi::isUserInSiteAdminGroup();
if (!$ret && $isSiteAdmin) {
GalleryUtilities::unsanitizeInputValues($prefix, false);
$files = implode("\n", $this->_getDirectoryListing($prefix));
GalleryUtilities::sanitizeInputValues($files, false);
print $files;
}
break;
}
return null;
}
function _getDirectoryListing($path, $getFiles=true) {
global $gallery;
$platform =& $gallery->getPlatform();
/* $path is UTF-8, we need it in the system charset for filesystem interactions */
$path = GalleryCoreApi::convertFromUtf8($path);
if ($platform->is_dir($path)) {
$match = '';
} else {
$match = basename($path);
$matchLength = strlen($match);
$path = dirname($path);
if (!$platform->is_dir($path)) {
return array();
}
}
$dirList = $fileList = array();
if ($dir = $platform->opendir($path)) {
$slash = $platform->getDirectorySeparator();
if ($path{strlen($path)-1} != $slash) {
$path .= $slash;
}
while (($file = $platform->readdir($dir)) !== false) {
if ($file == '.' || $file == '..'
|| ($match && strncmp($file, $match, $matchLength))) {
continue;
}
$file = $path . $file;
if ($platform->is_dir($file)) {
/* Filesystem charset -> UTF-8 conversion required */
$dirList[] = GalleryCoreApi::convertToUtf8($file);
} else if ($getFiles && $platform->is_file($file)) {
$fileList[] = GalleryCoreApi::convertToUtf8($file);
}
}
$platform->closedir($dir);
sort($dirList);
sort($fileList);
}
return empty($dirList) ? $fileList : array_merge($dirList, $fileList);
}
}
?>
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