summaryrefslogtreecommitdiff
path: root/plugins/LdapAuthentication/LdapAuthenticationPlugin.php
blob: 52d326287fce4b00e9e3ada4d6efaf20ad478093 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
<?php
/**
 * StatusNet, the distributed open-source microblogging tool
 *
 * Plugin to enable LDAP Authentication
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  Plugin
 * @package   StatusNet
 * @author    Craig Andrews <candrews@integralblue.com>
 * @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://status.net/
 */

if (!defined('STATUSNET') && !defined('LACONICA')) {
    exit(1);
}

class LdapAuthenticationPlugin extends AuthenticationPlugin
{
    function onInitializePlugin(){
        parent::onInitializePlugin();
        if(!isset($this->attributes['nickname'])){
            throw new Exception("must specify a nickname attribute");
        }
        if($this->password_changeable && (! isset($this->attributes['password']) || !isset($this->password_encoding))){
            throw new Exception("if password_changeable is set, the password attribute and password_encoding must also be specified");
        }
        $this->ldapCommon = new LdapCommon(get_object_vars($this));
    }

    function onAutoload($cls)
    {   
        switch ($cls)
        {
         case 'LdapCommon':
            require_once(INSTALLDIR.'/plugins/LdapCommon/LdapCommon.php');
            return false;
        }
    }

    function onEndShowPageNotice($action)
    {
        $name = $action->trimmed('action');
        $instr = false;

        switch ($name)
        {
         case 'register':
            if($this->autoregistration) {
                $instr = 'Have an LDAP account? Use your standard username and password.';
            }
            break;
         case 'login':
            $instr = 'Have an LDAP account? Use your standard username and password.';
            break;
         default:
            return true;
        }

        if($instr) {
            $output = common_markup_to_html($instr);
            $action->raw($output);
        }
        return true;
    }
    
    //---interface implementation---//

    function checkPassword($username, $password)
    {
        return $this->ldapCommon->checkPassword($username,$password);
    }

    function autoRegister($username, $nickname)
    {
        if(is_null($nickname)){
            $nickname = $username;
        }
        $entry = $this->ldapCommon->get_user($username,$this->attributes);
        if($entry){
            $registration_data = array();
            foreach($this->attributes as $sn_attribute=>$ldap_attribute){
                //ldap won't let us read a user's password,
                //and we're going to set the password to a random string later anyways,
                //so don't bother trying to read it.
                if($sn_attribute != 'password'){
                    $registration_data[$sn_attribute]=$entry->getValue($ldap_attribute,'single');
                }
            }
            if(isset($registration_data['email']) && !empty($registration_data['email'])){
                $registration_data['email_confirmed']=true;
            }
            $registration_data['nickname'] = $nickname;
            //set the database saved password to a random string.
            $registration_data['password']=common_good_rand(16);
            return User::register($registration_data);
        }else{
            //user isn't in ldap, so we cannot register him
            return false;
        }
    }

    function changePassword($username,$oldpassword,$newpassword)
    {
        return $this->ldapCommon->changePassword($username,$oldpassword,$newpassword);
    }

    function suggestNicknameForUsername($username)
    {
        $entry = $this->ldapCommon->get_user($username, $this->attributes);
        if(!$entry){
            //this really shouldn't happen
            $nickname = $username;
        }else{
            $nickname = $entry->getValue($this->attributes['nickname'],'single');
            if(!$nickname){
                $nickname = $username;
            }
        }
        return common_nicknamize($nickname);
    }

    function onPluginVersion(&$versions)
    {
        $versions[] = array('name' => 'LDAP Authentication',
                            'version' => STATUSNET_VERSION,
                            'author' => 'Craig Andrews',
                            'homepage' => 'http://status.net/wiki/Plugin:LdapAuthentication',
                            'rawdescription' =>
                            _m('The LDAP Authentication plugin allows for StatusNet to handle authentication through LDAP.'));
        return true;
    }
}