ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
class.ilObjSessionAccess.php
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1<?php
2/*
3 +-----------------------------------------------------------------------------+
4 | ILIAS open source |
5 +-----------------------------------------------------------------------------+
6 | Copyright (c) 1998-2006 ILIAS open source, University of Cologne |
7 | |
8 | This program is free software; you can redistribute it and/or |
9 | modify it under the terms of the GNU General Public License |
10 | as published by the Free Software Foundation; either version 2 |
11 | of the License, or (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21 +-----------------------------------------------------------------------------+
22*/
23
24include_once './Services/Object/classes/class.ilObjectAccess.php';
25
35{
36 protected static $registrations = null;
37 protected static $registered = null;
38
46 public static function _getCommands()
47 {
48 $commands = array(
49 array("permission" => "read", "cmd" => "infoScreen", "lang_var" => "info_short", "default" => true),
50 array("permission" => "read", "cmd" => "register", "lang_var" => "join_session"),
51 array("permission" => "read", "cmd" => "unregister", "lang_var" => "event_unregister"),
52 array("permission" => "write", "cmd" => "edit", "lang_var" => "settings"),
53 array("permission" => "write", "cmd" => "materials", "lang_var" => "crs_objective_add_mat"),
54 array('permission' => 'write', 'cmd' => 'members', 'lang_var' => 'event_edit_members')
55 );
56
57 return $commands;
58 }
59
72 public function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
73 {
74 global $ilUser, $lng, $rbacsystem, $ilAccess;
75
76 if (!$a_user_id) {
77 $a_user_id = $ilUser->getId();
78 }
79 include_once './Modules/Session/classes/class.ilSessionParticipants.php';
80 $part = ilSessionParticipants::getInstance($a_ref_id);
81
82 switch ($a_cmd) {
83 case 'register':
84
85 if (!self::_lookupRegistration($a_obj_id)) {
86 //ilLoggerFactory::getLogger('sess')->debug('Lookup registration failed: register access denied.');
87 return false;
88 }
89 if ($ilUser->isAnonymous()) {
90 //ilLoggerFactory::getLogger('sess')->debug('User is anoynmous: register access denied.');
91 return false;
92 }
93 if ($part->isAssigned($a_user_id)) {
94 //ilLoggerFactory::getLogger('sess')->debug('User is assigned: register access denied.');
95 return false;
96 }
97 if ($part->isSubscriber($a_user_id)) {
98 //ilLoggerFactory::getLogger('sess')->debug('User is subscriber: register access denied.');
99 return false;
100 }
101 include_once './Modules/Session/classes/class.ilSessionWaitingList.php';
102 if (ilSessionWaitingList::_isOnList($a_user_id, $a_obj_id)) {
103 //ilLoggerFactory::getLogger('sess')->debug('User is on waiting list: register access denied.');
104 return false;
105 }
106 break;
107
108 case 'unregister':
109 if (self::_lookupRegistration($a_obj_id) && $a_user_id != ANONYMOUS_USER_ID) {
110 return self::_lookupRegistered($a_user_id, $a_obj_id);
111 }
112 return false;
113 }
114 return true;
115 }
116
117
121 public static function _checkGoto($a_target)
122 {
123 global $ilAccess;
124
125 $t_arr = explode("_", $a_target);
126
127 if ($t_arr[0] != "sess" || ((int) $t_arr[1]) <= 0) {
128 return false;
129 }
130
131 if ($ilAccess->checkAccess("read", "", $t_arr[1])) {
132 return true;
133 }
134 return false;
135 }
136
145 public static function _lookupRegistration($a_obj_id)
146 {
147 if (!is_null(self::$registrations)) {
148 return self::$registrations[$a_obj_id];
149 }
150
151 global $ilDB;
152
153 $query = "SELECT registration,obj_id FROM event ";
154 $res = $ilDB->query($query);
155 while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
156 self::$registrations[$row->obj_id] = (bool) $row->registration;
157 }
158 return self::$registrations[$a_obj_id];
159 }
160
170 public static function _lookupRegistered($a_usr_id, $a_obj_id)
171 {
172 if (isset(self::$registered[$a_usr_id])) {
173 return (bool) self::$registered[$a_usr_id][$a_obj_id];
174 }
175
176 global $ilDB,$ilUser;
177
178 $query = "SELECT event_id, registered FROM event_participants WHERE usr_id = " . $ilDB->quote($ilUser->getId(), 'integer');
179 $res = $ilDB->query($query);
180 self::$registered[$a_usr_id] = array();
181 while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
182 self::$registered[$a_usr_id][$row->event_id] = (bool) $row->registered;
183 }
184 return (bool) self::$registered[$a_usr_id][$a_obj_id];
185 }
186}
An exception for terminatinating execution or to throw for unit testing.
static _getCommands()
get list of command/permission combinations
static _lookupRegistration($a_obj_id)
lookup registrations
static _lookupRegistered($a_usr_id, $a_obj_id)
lookup if user has registered
_checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAcce...
static _checkGoto($a_target)
check whether goto script will succeed
Class ilObjectAccess.
static getInstance($a_ref_id)
Get instance.
static _isOnList($a_usr_id, $a_obj_id)
Check if a user on the waiting list.
global $lng
Definition: privfeed.php:17
$query
foreach($_POST as $key=> $value) $res
global $ilDB
$ilUser
Definition: imgupload.php:18