Subversion Repositories Applications.papyrus

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
1713 jp_milcent 1
<?php
2
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
3
 
4
/**
5
 * Storage driver for using multiple storage drivers in a fall through fashion
6
 *
7
 * PHP versions 4 and 5
8
 *
9
 * LICENSE: This source file is subject to version 3.01 of the PHP license
10
 * that is available through the world-wide-web at the following URI:
11
 * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
12
 * the PHP License and are unable to obtain it through the web, please
13
 * send a note to license@php.net so we can mail you a copy immediately.
14
 *
15
 * @category   Authentication
16
 * @package    Auth
17
 * @author     Adam Ashley <aashley@php.net>
18
 * @copyright  2001-2006 The PHP Group
19
 * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
20
 * @version    CVS: $Id: Multiple.php,v 1.2 2007-11-19 15:11:00 jp_milcent Exp $
21
 * @since      File available since Release 1.5.0
22
 */
23
 
24
/**
25
 * Include Auth_Container base class
26
 */
27
require_once "Auth/Container.php";
28
/**
29
 * Include PEAR package for error handling
30
 */
31
require_once "PEAR.php";
32
 
33
/**
34
 * Storage driver for using multiple storage drivers in a fall through fashion
35
 *
36
 * This storage driver provides a mechanism for working through multiple
37
 * storage drivers until either one allows successful login or the list is
38
 * exhausted.
39
 *
40
 * This container takes an array of options of the following form:
41
 *
42
 * array(
43
 *   array(
44
 *     'type'    => <standard container type name>,
45
 *     'options' => <normal array of options for container>,
46
 *   ),
47
 * );
48
 *
49
 * Full example:
50
 *
51
 * $options = array(
52
 *   array(
53
 *     'type'    => 'DB',
54
 *     'options' => array(
55
 *       'dsn' => "mysql://user:password@localhost/database",
56
 *     ),
57
 *   ),
58
 *   array(
59
 *     'type'    => 'Array',
60
 *     'options' => array(
61
 *       'cryptType' => 'md5',
62
 *       'users'     => array(
63
 *         'admin' => md5('password'),
64
 *       ),
65
 *     ),
66
 *   ),
67
 * );
68
 *
69
 * $auth = new Auth('Multiple', $options);
70
 *
71
 * @category   Authentication
72
 * @package    Auth
73
 * @author     Adam Ashley <aashley@php.net>
74
 * @copyright  2001-2006 The PHP Group
75
 * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
76
 * @version    Release: 1.5.4  File: $Revision: 1.2 $
77
 * @since      File available since Release 1.5.0
78
 */
79
 
80
class Auth_Container_Multiple extends Auth_Container {
81
 
82
    // {{{ properties
83
 
84
    /**
85
     * The options for each container
86
     *
87
     * @var array $options
88
     */
89
    var $options = array();
90
 
91
    /**
92
     * The instanciated containers
93
     *
94
     * @var array $containers
95
     */
96
    var $containers = array();
97
 
98
    // }}}
99
    // {{{ Auth_Container_Multiple()
100
 
101
    /**
102
     * Constructor for Array Container
103
     *
104
     * @param array $data Options for the container
105
     * @return void
106
     */
107
    function Auth_Container_Multiple($options)
108
    {
109
        if (!is_array($options)) {
110
            PEAR::raiseError('The options for Auth_Container_Multiple must be an array');
111
        }
112
        if (count($options) < 1) {
113
            PEAR::raiseError('You must define at least one sub container to use in Auth_Container_Multiple');
114
        }
115
        foreach ($options as $option) {
116
            if (!isset($option['type'])) {
117
                PEAR::raiseError('No type defined for sub container');
118
            }
119
        }
120
        $this->options = $options;
121
    }
122
 
123
    // }}}
124
    // {{{ fetchData()
125
 
126
    /**
127
     * Get user information from array
128
     *
129
     * This function uses the given username to fetch the corresponding
130
     * login data from the array. If an account that matches the passed
131
     * username and password is found, the function returns true.
132
     * Otherwise it returns false.
133
     *
134
     * @param  string Username
135
     * @param  string Password
136
     * @return boolean|PEAR_Error Error object or boolean
137
     */
138
    function fetchData($user, $pass)
139
    {
140
        $this->log('Auth_Container_Multiple::fetchData() called.', AUTH_LOG_DEBUG);
141
 
142
        foreach ($this->options as $key => $options) {
143
 
144
            $this->log('Using Container '.$key.' of type '.$options['type'].'.', AUTH_LOG_DEBUG);
145
 
146
            if (isset($this->containers[$key]) && is_a($this->containers[$key], 'Auth_Container')) {
147
 
148
                $container = &$this->containers[$key];
149
 
150
            } else {
151
 
152
                $this->containers[$key] = &$this->_auth_obj->_factory($options['type'], $options['options']);
153
                $this->containers[$key]->_auth_obj = &$this->_auth_obj;
154
                $container = &$this->containers[$key];
155
 
156
            }
157
 
158
            $result = $container->fetchData($user, $pass);
159
 
160
            if (PEAR::isError($result)) {
161
 
162
                $this->log('Container '.$key.': '.$result->getMessage(), AUTH_LOG_ERR);
163
                return $result;
164
 
165
            } elseif ($result == true) {
166
 
167
                $this->log('Container '.$key.': Authentication successful.', AUTH_LOG_DEBUG);
168
                return true;
169
 
170
            } else {
171
 
172
                $this->log('Container '.$key.': Authentication failed.', AUTH_LOG_DEBUG);
173
 
174
            }
175
 
176
        }
177
 
178
        $this->log('Auth_Container_Multiple: All containers rejected user credentials.', AUTH_LOG_DEBUG);
179
 
180
        return false;
181
 
182
    }
183
 
184
    // }}}
185
 
186
}
187
 
188
?>