forked from extern/egroupware
357 lines
9.8 KiB
PHP
357 lines
9.8 KiB
PHP
<?php
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/**
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* eGroupWare: GroupDAV access: infolog handler
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*
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* @link http://www.egroupware.org
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package infolog
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* @subpackage groupdav
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @copyright (c) 2007-9 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @version $Id$
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*/
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/**
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* eGroupWare: GroupDAV access: infolog handler
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*/
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class infolog_groupdav extends groupdav_handler
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{
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/**
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* bo class of the application
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*
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* @var infolog_bo
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*/
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var $bo;
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/**
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* Constructor
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*
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* @param string $app 'calendar', 'addressbook' or 'infolog'
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* @param int $debug=null debug-level to set
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* @param string $base_uri=null base url of handler
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* @param string $principalURL=null pricipal url of handler
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*/
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function __construct($app,$debug=null,$base_uri=null,$principalURL=null)
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{
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parent::__construct($app,$debug,$base_uri,$principalURL);
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$this->bo = new infolog_bo();
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}
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const PATH_ATTRIBUTE = 'info_id';
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/**
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* Create the path for an event
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*
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* @param array|int $info
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* @return string
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*/
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static function get_path($info)
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{
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if (is_numeric($info) && self::PATH_ATTRIBUTE == 'info_id')
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{
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$name = $info;
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}
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else
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{
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if (!is_array($info)) $info = $this->bo->read($info);
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$name = $info[self::PATH_ATTRIBUTE];
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}
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return $name.'.ics';
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}
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/**
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* Handle propfind in the infolog folder
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*
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* @param string $path
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* @param array $options
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* @param array &$files
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* @param int $user account_id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function propfind($path,$options,&$files,$user,$id='')
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{
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$starttime = microtime(true);
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$myself = ($user == $GLOBALS['egw_info']['user']['account_id']);
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if ($options['filters'])
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{
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foreach($options['filters'] as $filter)
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{
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switch($filter['name'])
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{
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case 'comp-filter':
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if ($this->debug > 1) error_log(__METHOD__."($options[path],...) comp-filter='{$filter['attrs']['name']}'");
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switch($filter['attrs']['name'])
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{
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case 'VCALENDAR':
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continue;
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case 'VTODO':
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break 3;
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default: // We don't handle this
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return false;
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}
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}
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}
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}
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// check if we have to return the full calendar data or just the etag's
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if (!($calendar_data = $options['props'] == 'all' && $options['root']['ns'] == groupdav::CALDAV) && is_array($options['props']))
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{
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foreach($options['props'] as $prop)
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{
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if ($prop['name'] == 'calendar-data')
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{
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$calendar_data = true;
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break;
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}
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}
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}
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// todo add a filter to limit how far back entries from the past get synced
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$filter = array(
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'info_type' => 'task',
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);
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//if (!$myself) $filter['info_owner'] = $user;
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if ($id) $filter['info_id'] = $id; // propfind on a single id
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// ToDo: add parameter to only return id & etag
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if (($tasks =& $this->bo->search($params=array(
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'order' => 'info_datemodified',
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'sort' => 'DESC',
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'filter' => ($myself ? 'own' : 'own'), // filter my: entries user is responsible for,
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// filter own: entries the user own or is responsible for
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'date_format' => 'server',
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'col_filter' => $filter,
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))))
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{
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foreach($tasks as &$task)
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{
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$props = array(
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HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($task)),
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HTTP_WebDAV_Server::mkprop('getcontenttype',$this->agent != 'kde' ?
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'text/calendar; charset=utf-8; component=VTODO' : 'text/calendar'), // Konqueror (3.5) dont understand it otherwise
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// getlastmodified and getcontentlength are required by WebDAV and Cadaver eg. reports 404 Not found if not set
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HTTP_WebDAV_Server::mkprop('getlastmodified', $task['info_datemodified']),
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HTTP_WebDAV_Server::mkprop('resourcetype',''), // DAVKit requires that attribute!
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HTTP_WebDAV_Server::mkprop('getcontentlength',''),
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);
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if ($calendar_data)
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{
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$handler = $this->_get_handler();
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$content = $handler->exportVTODO($task,'2.0','PUBLISH');
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$props[] = HTTP_WebDAV_Server::mkprop('getcontentlength',bytes($content));
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$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-data',$content);
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}
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else
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{
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$props[] = HTTP_WebDAV_Server::mkprop('getcontentlength', ''); // expensive to calculate and no CalDAV client uses it
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}
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$files['files'][] = array(
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'path' => $path.self::get_path($task),
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'props' => $props,
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);
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}
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}
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if ($this->debug) error_log(__METHOD__."($path) took ".(microtime(true) - $starttime).' to return '.count($files['files']).' items');
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return true;
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}
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/**
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* Handle get request for a task / infolog entry
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*
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* @param array &$options
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* @param int $id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function get(&$options,$id)
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{
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if (!is_array($task = $this->_common_get_put_delete('GET',$options,$id)))
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{
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return $task;
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}
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$handler = $this->_get_handler();
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$options['data'] = $handler->exportVTODO($id,'2.0','PUBLISH');
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$options['mimetype'] = 'text/calendar; charset=utf-8';
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header('Content-Encoding: identity');
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header('ETag: '.$this->get_etag($task));
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return true;
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}
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/**
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* Handle put request for a task / infolog entry
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*
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* @param array &$options
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* @param int $id
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* @param int $user=null account_id of owner, default null
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function put(&$options,$id,$user=null)
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{
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if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
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$oldTask = $this->_common_get_put_delete('PUT',$options,$id);
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if (!is_null($oldTask) && !is_array($oldTask))
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{
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return $oldTask;
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}
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$handler = $this->_get_handler();
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$vTodo = htmlspecialchars_decode($options['content']);
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if (is_array($oldTask))
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{
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$taskId = $oldTask['info_id'];
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$retval = true;
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}
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else
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{
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// new entry?
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if (($foundTasks = $handler->searchVTODO($vTodo)))
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{
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if (($taskId = array_shift($foundTasks)) &&
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($oldTask = $this->bo->read($taskId)))
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{
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$retval = '301 Moved Permanently';
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}
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else
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{
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// to be safe
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$taskId = -1;
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$retval = '201 Created';
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}
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}
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else
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{
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// new entry
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$taskId = -1;
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$retval = '201 Created';
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}
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}
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if (!($infoId = $handler->importVTODO($vTodo, $taskId, false, $user)))
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{
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if ($this->debug) error_log(__METHOD__."(,$id) import_vtodo($options[content]) returned false");
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return '403 Forbidden';
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}
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if ($infoId != $taskId) $retval = '201 Created';
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header('ETag: '.$this->get_etag($infoId));
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if ($retval !== true)
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{
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$path = preg_replace('|(.*)/[^/]*|', '\1/', $options['path']);
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header('Location: '.$this->base_uri.$path.self::get_path($infoId));
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return $retval;
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}
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return true;
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}
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/**
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* Handle delete request for a task / infolog entry
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*
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* @param array &$options
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* @param int $id
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* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
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*/
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function delete(&$options,$id)
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{
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if (!is_array($task = $this->_common_get_put_delete('DELETE',$options,$id)))
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{
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return $task;
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}
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return $this->bo->delete($id);
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}
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/**
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* Read an entry
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*
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* @param string/id $id
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* @return array/boolean array with entry, false if no read rights, null if $id does not exist
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*/
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function read($id)
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{
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return $this->bo->read($id,false,'server');
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}
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/**
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* Check if user has the neccessary rights on a task / infolog entry
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*
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* @param int $acl EGW_ACL_READ, EGW_ACL_EDIT or EGW_ACL_DELETE
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* @param array/int $task task-array or id
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* @return boolean null if entry does not exist, false if no access, true if access permitted
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*/
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function check_access($acl,$task)
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{
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return $this->bo->check_access($task,$acl);
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}
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/**
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* Get the etag for an infolog entry
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*
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* @param array/int $info array with infolog entry or info_id
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* @return string/boolean string with etag or false
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*/
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function get_etag($info)
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{
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if (!is_array($info))
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{
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$info = $this->bo->read($info,true,'server');
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}
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if (!is_array($info) || !isset($info['info_id']) || !isset($info['info_datemodified']))
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{
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return false;
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}
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return 'EGw-'.$info['info_id'].':'.$info['info_datemodified'].'-wGE';
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}
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/**
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* Add extra properties for calendar collections
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*
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* @param array $props=array() regular props by the groupdav handler
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* @param string $displayname
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* @param string $base_uri=null base url of handler
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* @return array
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*/
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static function extra_properties(array $props=array(), $displayname, $base_uri=null)
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{
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// calendar description
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$displayname = $GLOBALS['egw']->translation->convert(lang('Tasks of') . ' ' .
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$displayname,
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$GLOBALS['egw']->translation->charset(),'utf-8');
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$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-description',$displayname);
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// email of the current user, see caldav-sheduling draft
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$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-address-set',array(
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HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$GLOBALS['egw_info']['user']['email'])));
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// supported components, currently only VEVENT
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$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'supported-calendar-component-set',array(
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// HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'comp',array('name' => 'VEVENT')),
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HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'comp',array('name' => 'VTODO')),
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));
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$props[] = HTTP_WebDAV_Server::mkprop('supported-report-set',array(
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HTTP_WebDAV_Server::mkprop('supported-report',array(
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HTTP_WebDAV_Server::mkprop('report',
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HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-multiget'))))));
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return $props;
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}
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/**
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* Get the handler and set the supported fields
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*
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* @return infolog_ical
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*/
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private function _get_handler()
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{
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$handler = new infolog_ical();
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$handler->setSupportedFields('GroupDAV',$this->agent);
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return $handler;
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}
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} |