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1<?php
2
3/**
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; under version 2
7 * of the License (non-upgradable).
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17 *
18 * Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
19 *
20 */
21
22/**
23 *
24 * RestrictedSession allows a user to reduce his own access roles
25 * This can be used to test the interface
26 *
27 * @access private
28 * @author Joel Bout, <joel@taotesting.com>
29 * @package generis
30
31 */
32class common_session_RestrictedSession implements common_session_StatefulSession
33{
34    /**
35     * real user session that will be restricted
36     *
37     * @var common_session_Session
38     */
39    private $internalSession;
40
41    /**
42     * filter on the users roles
43     *
44     * @var array
45     */
46    private $filter;
47
48    /**
49     *
50     * @param common_session_Session $session
51     * @param array $filter
52     */
53    public function __construct(common_session_Session $session, $filter)
54    {
55        $this->internalSession = $session;
56        $this->filter = $filter;
57    }
58
59    /**
60     * (non-PHPdoc)
61     * @see common_session_Session::getUser()
62     */
63    public function getUser()
64    {
65        return $this->internalSession->getUser();
66    }
67
68    /**
69     * (non-PHPdoc)
70     * @see common_session_AbstractSession::getUserUri()
71     */
72    public function getUserUri()
73    {
74        return $this->internalSession->getUserUri();
75    }
76
77    /**
78     * (non-PHPdoc)
79     * @see common_session_Session::getUserLabel()
80     */
81    public function getUserLabel()
82    {
83        return $this->internalSession->getUserLabel();
84    }
85
86    /**
87     * (non-PHPdoc)
88     * @see common_session_AbstractSession::getUserRoles()
89     */
90    public function getUserRoles()
91    {
92        $returnValue = $this->internalSession->getUserRoles();
93        foreach (array_keys($returnValue) as $key) {
94            $role = $returnValue[$key];
95            if (!in_array($role, $this->filter)) {
96                unset($returnValue[$key]);
97            }
98        }
99        return $returnValue;
100    }
101
102    /**
103     * (non-PHPdoc)
104     * @see common_session_Session::getDataLanguage()
105     */
106    public function getDataLanguage()
107    {
108        return $this->internalSession->getDataLanguage();
109    }
110
111    /**
112     * (non-PHPdoc)
113     * @see common_session_Session::getInterfaceLanguage()
114     */
115    public function getInterfaceLanguage()
116    {
117        return $this->internalSession->getInterfaceLanguage();
118    }
119
120    /**
121     * (non-PHPdoc)
122     * @see common_session_Session::getUserPropertyValues()
123     */
124    public function getUserPropertyValues($property)
125    {
126        return $this->internalSession->getUserPropertyValues($property);
127    }
128
129    /**
130     * (non-PHPdoc)
131     * @see common_session_Session::getTimeZone()
132     */
133    public function getTimeZone()
134    {
135        return $this->internalSession->getTimeZone();
136    }
137
138
139    /**
140     * (non-PHPdoc)
141     * @see common_session_Session::refresh()
142     */
143    public function refresh()
144    {
145        $this->internalSession->refresh();
146    }
147
148    /**
149     * Revert back to the original Session
150     */
151    public function restoreOriginal()
152    {
153        common_session_SessionManager::startSession($this->internalSession);
154    }
155}