301 lines
7.9 KiB
PHP
301 lines
7.9 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/../libraries/');
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include 'Sabre/autoload.php';
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class webdav_Controller extends Controller {
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public function gallery() {
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$root = new Gallery3Album('');
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$tree = new Gallery3DAVTree($root);
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// Skip the lock plugin for now, we don't want Finder to get write support for the time being.
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//$lock_backend = new Sabre_DAV_Locks_Backend_FS(TMPPATH . 'sabredav');
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//$lock = new Sabre_DAV_Locks_Plugin($lock_backend);
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$filter = new Sabre_DAV_TemporaryFileFilterPlugin(TMPPATH . 'sabredav');
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$server = new Sabre_DAV_Server($tree);
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#$server = new Gallery3DAV($tree);
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$server->setBaseUri(url::site('webdav/gallery'));
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//$server->addPlugin($lock);
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$server->addPlugin($filter);
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$this->doAuthenticate();
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$server->exec();
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}
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private function doAuthenticate() {
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$auth = new Sabre_HTTP_BasicAuth();
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$auth->setRealm('Gallery3');
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$authResult = $auth->getUserPass();
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list($username, $password) = $authResult;
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if ($username == '' || $password == '') {
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$auth->requireLogin();
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die;
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}
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$user = identity::lookup_user_by_name($username);
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if (empty($user) || !identity::is_correct_password($user, $password)) {
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$auth->requireLogin();
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die;
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}
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identity::set_active_user($user);
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return $user;
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}
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}
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class Gallery3DAVCache {
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protected static $cache;
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private static $instance;
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private function __construct() {
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$this->cache = array();
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}
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private function encodePath($path)
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{
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$path = trim($path, '/');
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$encodedArray = array();
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foreach (split('/', $path) as $part)
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{
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$encodedArray[] = rawurlencode($part);
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}
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$path = join('/', $encodedArray);
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return $path;
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}
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public function getAlbumOf($path) {
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$path = substr($path, 0, strrpos($path, '/'));
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return $this->getItemAt($path);
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}
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public function getItemAt($path)
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{
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$path = trim($path, '/');
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$path = $this->encodePath($path);
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if (isset($this->cache[$path])) {
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return $this->cache[$path];
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}
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$item = ORM::factory("item")
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->where("relative_path_cache", "=", $path)
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->find();
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$this->cache[$path] = $item;
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return $item;
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}
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public static function singleton() {
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if (!isset(self::$instance)) {
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$c = __CLASS__;
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self::$instance = new $c;
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}
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return self::$instance;
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}
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public function __clone() {}
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}
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class Gallery3DAVTree extends Sabre_DAV_Tree {
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protected $rootNode;
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public function __construct(Sabre_DAV_ICollection $rootNode) {
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$this->cache = Gallery3DAVCache::singleton();
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$this->rootNode = $rootNode;
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}
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public function move($source, $target) {
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$sourceItem = $this->cache->getItemAt($source);
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$targetItem = $this->cache->getAlbumOf($target);
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if (! access::can('view', $sourceItem)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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if (! access::can('edit', $sourceItem)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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if (! access::can('view', $targetItem)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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if (! access::can('edit', $targetItem)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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$sourceItem->parent_id = $targetItem->id;
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$sourceItem->save();
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return true;
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}
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public function getNodeForPath($path) {
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$path = trim($path,'/');
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$currentNode = $this->rootNode;
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$item = $this->cache->getItemAt($path);
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if (! $item->id) {
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throw new Sabre_DAV_Exception_FileNotFound('Could not find node at path: ' . $path);
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}
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if ($item->type == 'album') { $currentNode = new Gallery3Album($path); }
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else { $currentNode = new Gallery3File($path); }
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return $currentNode;
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}
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}
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class Gallery3Album extends Sabre_DAV_Directory {
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private $item;
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private $stat;
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private $path;
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function __construct($path) {
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$this->cache = Gallery3DAVCache::singleton();
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$this->path = $path;
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$this->item = $this->cache->getItemAt($path);
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}
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function getName() {
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return $this->item->name;
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}
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function getChildren() {
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$return = array();
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foreach ($this->item->children() as $child) {
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$item = $this->getChild($child->name);
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if ($item != false) {
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$return[] = $item;
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}
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}
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return $return;
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}
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function getChild($name) {
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$rp = $this->path . '/' . $name;
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$child = $this->cache->getItemAt($rp);
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if (! $child->id) {
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throw new Sabre_DAV_Exception_FileNotFound('Access denied');
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}
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if (! access::can('view', $child)) {
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return false;
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};
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if ($child->type == 'album') {
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return new Gallery3Album($rp);
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} else {
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return new Gallery3File($rp);
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}
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}
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public function createFile($name, $data = null) {
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if (! access::can('view', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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if (! access::can('add', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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if (substr($name, 0, 1) == '.') { return true; };
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$tempfile = tempnam(TMPPATH, 'dav');
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$target = fopen($tempfile, 'wb');
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stream_copy_to_stream($data, $target);
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fclose($target);
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$parent_id = $this->item->__get('id');
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$item = ORM::factory("item");
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$item->name = $name;
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$item->title = item::convert_filename_to_title($item->name);
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$item->description = '';
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$item->parent_id = $parent_id;
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$item->set_data_file($tempfile);
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$item->type = "photo";
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$item->save();
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}
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public function createDirectory($name) {
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if (! access::can('view', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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if (! access::can('add', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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$parent_id = $this->item->__get('id');
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$album = ORM::factory("item");
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$album->type = "album";
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$album->parent_id = $parent_id;
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$album->name = $name;
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$album->title = $name;
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$album->description = '';
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$album->save();
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$this->item = ORM::factory("item")->where('id', '=', $parent_id);
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}
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function getLastModified() {
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return $this->item->updated;
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}
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function setName($name) {
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if (! access::can('edit', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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$this->item->name = $name;
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$this->item->save();
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}
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public function delete() {
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if (! access::can('edit', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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$this->item->delete();
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}
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}
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class Gallery3File extends Sabre_DAV_File {
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private $item;
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private $stat;
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private $path;
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function __construct($path) {
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$this->cache = Gallery3DAVCache::singleton();
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$this->item = $this->cache->getItemAt($path);
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if (access::can('view_full', $this->item)) {
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$this->stat = stat($this->item->file_path());
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$this->path = $this->item->file_path();
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} else {
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$this->stat = stat($this->item->resize_path());
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$this->path = $this->item->resize_path();
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}
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}
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public function delete() {
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if (! access::can('edit', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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$this->item->delete();
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}
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function setName($name) {
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if (! access::can('edit', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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$this->item->name = $name;
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$this->item->save();
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}
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public function getLastModified() {
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return $this->item->updated;
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}
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function get() {
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if (! access::can('view', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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return fopen($this->path,'r');
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}
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function getSize() {
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return $this->stat[7];
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}
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function getName() {
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return $this->item->name;
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}
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function getETag() {
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if (! access::can('view', $this->item)) { throw new Sabre_DAV_Exception_Forbidden('Access denied'); };
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return '"' . md5($this->item->file_path()) . '"';
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}
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}
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?>
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