lib.php 121 KB
Newer Older
1
2
3
4
<?php
/**
 *
 * @package    mahara
Nigel McNie's avatar
Nigel McNie committed
5
 * @subpackage auth
6
 * @author     Catalyst IT Ltd
7
8
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL version 3 or later
 * @copyright  For copyright information on Mahara, please see the README file distributed with this software.
9
10
11
12
13
 *
 */

defined('INTERNAL') || die();

14
require(get_config('docroot') . 'auth/user.php');
15
require_once(get_config('docroot') . '/lib/htmloutput.php');
16

Nigel McNie's avatar
Nigel McNie committed
17
18
19
/**
 * Unknown user exception
 */
20
class AuthUnknownUserException extends UserException {}
21

22
/**
Aaron Wells's avatar
Aaron Wells committed
23
 * An instance of an auth plugin failed during execution
24
25
26
27
28
29
 * e.g. LDAP auth failed to connect to a directory
 * Developers can use this to fail an individual auth
 * instance, but not kill all from being tried.
 * If appropriate - the 'message' of the exception will be used
 * as the display message, so don't forget to language translate it
 */
30
31
32
33
34
35
class AuthInstanceException extends UserException {

    public function strings() {
        return array_merge(parent::strings(),
                           array('title' => $this->get_sitename() . ': Authentication problem'));
    }
36
37
38
39

    public function render_exception() {
        return $this->get_string('message') . "\n\n" . preg_replace('/<br\s?\/?>/ius', "\n", $this->getMessage());
    }
40
}
41

42
/**
Aaron Wells's avatar
Aaron Wells committed
43
 * We tried to call a method on an auth plugin that hasn't been init'ed
44
45
46
47
 * successfully
 */
class UninitialisedAuthException extends SystemException {}

48
49
50
51
52
53
54
55
56
57
58
59
60
61
/**
 * We tried creating automatically creating an account for a user but
 * it failed for a reason that the user might want to know about
 * (e.g. they used an email address that's already used on the site)
 */
class AccountAutoCreationException extends AuthInstanceException {

    public function strings() {
        return array_merge(parent::strings(),
                           array('message' => 'The automatic creation of your user account failed.'
                                 . "\nDetails if any, follow:"));
    }
}

62
63
64
/**
 * Base authentication class. Provides a common interface with which
 * authentication can be carried out for system users.
Nigel McNie's avatar
Nigel McNie committed
65
66
67
68
69
70
 *
 * @todo for authentication:
 *   - inactivity: each institution has inactivity timeout times, this needs
 *     to be supported
 *     - this means the lastlogin field needs to be updated on the usr table
 *     - warnings are handled by cron
71
72
73
 */
abstract class Auth {

74
75
76
77
78
    protected $instanceid;
    protected $institution;
    protected $instancename;
    protected $priority;
    protected $authname;
79
    protected $active;
80
    protected $config;
81
    protected $has_instance_config;
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
    protected $type;
    protected $ready;

    /**
     * Given an id, create the auth object and retrieve the config settings
     * If an instance ID is provided, get all the *instance* config settings
     *
     * @param  int  $id   The unique ID of the auth instance
     * @return bool       Whether the create was successful
     */
    public function __construct($id = null) {
        $this->ready = false;
    }

    /**
     * Instantiate the plugin by pulling the config data for an instance from
     * the database
     *
     * @param  int  $id   The unique ID of the auth instance
     * @return bool       Whether the create was successful
     */
    public function init($id) {
        if (!is_numeric($id) || intval($id) != $id) {
            throw new UserNotFoundException();
        }

        $instance = get_record('auth_instance', 'id', $id);
        if (empty($instance)) {
            throw new UserNotFoundException();
        }

        $this->instanceid   = $id;
        $this->institution  = $instance->institution;
        $this->instancename = $instance->instancename;
        $this->priority     = $instance->priority;
117
        $this->active       = (isset($instance->active) ? $instance->active : 1); // We need to check if column exists yet via upgrade and set a default if not
118
119
        $this->authname     = $instance->authname;

Aaron Wells's avatar
Aaron Wells committed
120
        // Return now if the plugin type doesn't require any config
121
        // (e.g. internal)
122
        if ($this->has_instance_config == false) {
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
            return true;
        }

        $records = get_records_array('auth_instance_config', 'instance', $this->instanceid);

        if ($records == false) {
            return false;
        }

        foreach($records as $record) {
            $this->config[$record->field] = $record->value;
        }

        return true;
    }

    /**
     * The __get overloader is invoked when the requested member is private or
     * protected, or just doesn't exist.
Aaron Wells's avatar
Aaron Wells committed
142
     *
143
144
145
146
     * @param  string  $name   The name of the value to fetch
     * @return mixed           The value
     */
    public function __get($name) {
147
        $approved_members = array('instanceid', 'institution', 'instancename', 'priority', 'authname', 'type');
148
149
150
151

        if (in_array($name, $approved_members)) {
            return $this->{$name};
        }
152
153
        if (isset($this->config[$name])) {
            return $this->config[$name];
154
155
156
157
158
159
160
        }
        return null;
    }

    /**
     * The __set overloader is invoked when the specified member is private or
     * protected, or just doesn't exist.
Aaron Wells's avatar
Aaron Wells committed
161
     *
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
     * @param  string  $name   The name of the value to set
     * @param  mixed   $value  The value to assign
     * @return void
     */
    public function __set($name, $value) {
        /*
        if (property_exists($this, $name)) {
            $this->{$name} = $value;
            return;
        }
        */
        throw new SystemException('It\'s forbidden to set values on Auth objects');
    }

    /**
     * Check that the plugin has been initialised before we try to use it.
Aaron Wells's avatar
Aaron Wells committed
178
     *
179
     * @throws UninitialisedAuthException
Aaron Wells's avatar
Aaron Wells committed
180
     * @return bool
181
182
183
184
185
186
187
188
189
190
191
     */
    protected function must_be_ready() {
        if ($this->ready == false) {
            throw new UninitialisedAuthException('This Auth plugin has not been initialised');
        }
        return true;
    }

    /**
     * Fetch the URL that users can visit to change their passwords. This might
     * be a Moodle installation, for example.
Aaron Wells's avatar
Aaron Wells committed
192
     *
193
194
195
196
197
198
199
200
201
202
     * @return  mixed   URL to change password or false if there is none
     */
    public function changepasswordurl() {
        $this->must_be_ready();
        if (empty($this->config['changepasswordurl'])) {
            return false;
        }
        return $this->config['changepasswordurl'];
    }

203
    /**
204
     * Given a username and password, attempts to log the user in.
205
     *
206
     * @param object $user      An object with username member (at least)
207
208
209
210
211
     * @param string $password  The password to use for the attempt
     * @return bool             Whether the authentication was successful
     * @throws AuthUnknownUserException  If the user is unknown to the
     *                                   authentication method
     */
212
213
214
215
    public function authenticate_user_account($user, $password) {
        $this->must_be_ready();
        return false;
    }
216

217
218
219
220
221
222
    /**
     * Given a username, returns whether the user exists in the usr table
     *
     * @param string $username The username to attempt to identify
     * @return bool            Whether the username exists
     */
223
224
    public function user_exists($username) {
        $this->must_be_ready();
225
        if (record_exists_select('usr', 'LOWER(username) = ?', array(strtolower($username)))) {
226
227
228
229
            return true;
        }
        throw new AuthUnknownUserException("\"$username\" is not known to Auth");
    }
230

231
    /**
232
     * Returns whether the authentication instance can automatically create a
233
234
     * user record.
     *
235
     * Auto creating users means that the authentication plugin can say that
236
237
238
239
     * users who don't exist yet in Mahara's usr table are allowed, and Mahara
     * should create a user account for them. Example: the first time a user logs
     * in, when authenticating against an ldap store or similar).
     *
240
241
242
     * However, if a plugin says a user can be authenticated, then it must
     * implement the get_user_info() method which will be called to find out
     * information about the user so a record in the usr table _can_ be created
243
244
     * for the new user.
     *
245
246
     * Authentication methods must implement this method. Some may choose to
     * implement it by returning an instance config value that the admin user
247
248
249
250
251
252
     * can set.
     *
     * @return bool
     */
    public abstract function can_auto_create_users();

253
254
255
256
257
258
259
260
261
    /**
     * If this plugin allows new user's to self-register, this function will be
     * called to check whether it is okay to display a captcha method on the new
     * user self-registration form.
     */
    public static function can_use_registration_captcha() {
        return true;
    }

262
    /**
263
     * Given a username, returns a hash of information about a user from the
264
     * external data source.
265
266
267
268
269
270
     *
     * @param string $username The username to look up information for
     * @return array           The information for the user
     * @throws AuthUnknownUserException If the user is unknown to the
     *                                  authentication method
     */
271
272
273
    public function get_user_info($username) {
        return false;
    }
274

Nigel McNie's avatar
Nigel McNie committed
275
276
277
278
    /**
     * Given a password, returns whether it is in a valid format for this
     * authentication method.
     *
279
280
281
282
283
     * This only needs to be defined by subclasses if:
     *  - They implement the change_password method, which means that the
     *    system can use the <kbd>passwordchange</kbd> flag on the <kbd>usr</kbd>
     *    table to control whether the user's password needs changing.
     *  - The password that a user can set must be in a certain format.
Nigel McNie's avatar
Nigel McNie committed
284
285
286
287
     *
     * The default behaviour is to assume that the password is in a valid form,
     * so make sure to implement this method if this is not the case!
     *
Aaron Wells's avatar
Aaron Wells committed
288
     * This method is defined to be empty, so that authentication methods do
289
290
     * not have to specify a format if they do not need to.
     *
Nigel McNie's avatar
Nigel McNie committed
291
292
293
     * @param string $password The password to check
     * @return bool            Whether the username is in valid form.
     */
294
    public function is_password_valid($password) {
Nigel McNie's avatar
Nigel McNie committed
295
296
297
        return true;
    }

298
299
300
301
302
303
304
305
306
307
308
309
    /**
     * Called when a user is being logged in, after the main authentication routines.
     *
     * You can use $USER->login() to perform any additional tasks, for example
     * to set a cookie that another application can read, or pull some data
     * from somewhere.
     *
     * This method has no parameters and needs no return value
     */
    public function login() {
    }

310
    /**
Aaron Wells's avatar
Aaron Wells committed
311
312
313
     * Called when a user is being logged out, either by clicking a logout
     * link, their session timing out or some other method where their session
     * is explicitly being ended with no more processing to take place on this
314
315
     * page load.
     *
Aaron Wells's avatar
Aaron Wells committed
316
317
     * You can use $USER->logout() to log a user out but continue page
     * processing if necessary. register.php is an example of such a place
318
319
     * where this happens.
     *
Aaron Wells's avatar
Aaron Wells committed
320
321
     * If you define this hook, you can call $USER->logout() in it if you need
     * to before redirecting. Otherwise, it will be called for you once your
322
323
     * hook has run.
     *
Aaron Wells's avatar
Aaron Wells committed
324
325
     * If you do not explicitly redirect yourself, once this hook is finished
     * the user will be redirected to the homepage with a message saying they
326
327
328
329
330
331
332
     * have been logged out successfully.
     *
     * This method has no parameters and needs no return value
     */
    public function logout() {
    }

333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
    /**
     * Indicates whether this auth instance is parent to another auth instance
     * @return boolean (For backwards-compatibility reasons, it actually returns $this or null)
     */
    public function is_parent_authority() {
        if (count_records('auth_instance_config', 'field', 'parent', 'value', $this->instanceid)) {
            return $this;
        }
        else {
            return null;
        }
    }

    /**
     * Returns the ID of this instance's parent authority; or FALSE if it has no parent authority
     * @return int|false
     */
    public function get_parent_authority() {
        return get_field('auth_instance_config', 'value', 'instance', $this->id, 'field', 'parent');
    }


    /**
     * Indicates whether or not this auth instance uses the remote username. Most auth instances
     * will only use it if they are the parent to another auth instance.
     */
    public function needs_remote_username() {
        return (boolean) $this->is_parent_authority();
    }
362
363
364
}


365
366
367
/******************************************************************************/
    // End of Auth base-class
/******************************************************************************/
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
/*
* Checks all the available auth types and executes 'install_auth_default' method
* if they have one
*/
function install_auth_default() {
    $plugins = auth_get_available_auth_types();

    foreach ($plugins as $key => $value) {
        $classname = 'PluginAuth' . ucfirst(strtolower($value->name));
        $methodname = 'install_auth_default';
        if (method_exists($classname, $methodname)) {
            call_static_method($classname, $methodname);
        }
    }
}
383

384
/**
Aaron Wells's avatar
Aaron Wells committed
385
 * Handles authentication by setting up a session for a user if they are logged
386
 * in.
387
388
389
390
391
392
393
394
 *
 * This function combined with the Session class is smart - if the user is not
 * logged in then they do not get a session, which prevents simple curl hits
 * or search engine crawls to a page from getting sessions they won't use.
 *
 * Once the user has a session, they keep it even if the log out, so it can
 * be reused. The session does expire, but the expiry time is typically a week
 * or more.
Nigel McNie's avatar
Nigel McNie committed
395
396
397
398
399
400
401
 *
 * If the user is not authenticated for this page, then this function will
 * exit, printing the login page. Therefore, after including init.php, you can
 * be sure that the user is logged in, or has a valid guest key. However, no
 * testing is done to make sure the user has the required permissions to see
 * the page.
 *
402
403
 */
function auth_setup () {
404
    global $SESSION, $USER;
405
406
407
408

    // If the system is not installed, let the user through in the hope that
    // they can fix this little problem :)
    if (!get_config('installed')) {
409
        $USER->logout();
410
411
412
413
414
        return;
    }

    // Check the time that the session is set to log out. If the user does
    // not have a session, this time will be 0.
415
    $sessionlogouttime = $USER->get('logout_time');
416
417
418
419

    // Need to doublecheck that the User's sessionid still has a match the usr_session table
    // It can disappear if the current user has hacked the real user's account and the real user has
    // reset the password clearing the session from usr_session.
420
    $sessionexists = ($USER->id > 0) ? get_record('usr_session', 'usr', $USER->id, 'session', $USER->get('sessionid')) : false;
421
    $parentuser = $USER->get('parentuser');
422
    if (($sessionlogouttime && param_exists('logout'))
423
424
       || ($sessionexists === false && $USER->get('sessionid') != '' && empty($parentuser))
       || ($sessionexists && isset($sessionexists->useragent) && $sessionexists->useragent != $_SERVER['HTTP_USER_AGENT'])) {
425
426
        // Call the authinstance' logout hook
        $authinstance = $SESSION->get('authinstance');
427
428
429
430
431
432
433
        if ($authinstance) {
            $authobj = AuthFactory::create($authinstance);
            $authobj->logout();
        }
        else {
            log_debug("Strange: user " . $USER->get('username') . " had no authinstance set in their session");
        }
434

Richard Mansfield's avatar
Richard Mansfield committed
435
436
437
438
        if (function_exists('local_logout')) {
            local_logout();
        }

439
440
        $USER->logout();
        $SESSION->add_ok_msg(get_string('loggedoutok'));
441
        redirect();
Nigel McNie's avatar
Nigel McNie committed
442
443
    }
    if ($sessionlogouttime > time()) {
444
        // The session is still active, so continue it.
445
446
        // Make sure that if a user's admin status has changed, they're kicked
        // out of the admin section
447
448
        if (in_admin_section()) {
            // Reload site admin/staff permissions
449
            $realuser = get_record('usr', 'id', $USER->id, null, null, null, null, '"admin",staff');
450
            if (!$USER->get('admin') && $realuser->admin) {
451
                // The user has been made into an admin
452
                $USER->admin = 1;
453
            }
454
            else if ($USER->get('admin') && !$realuser->admin) {
455
                // The user's admin rights have been taken away
456
                $USER->admin = 0;
457
            }
458
459
            if (!$USER->get('staff') && $realuser->staff) {
                $USER->staff = 1;
460
            }
461
462
            else if ($USER->get('staff') && !$realuser->staff) {
                $USER->staff = 0;
463
            }
464
465
466
            // Reload institutional admin/staff permissions
            $USER->reset_institutions();
            auth_check_admin_section();
467
        }
468
        $USER->renew();
469
        auth_check_required_fields();
470
471
472
    }
    else if ($sessionlogouttime > 0) {
        // The session timed out
473
474

        $authinstance = $SESSION->get('authinstance');
475
476
477
478
479
        if ($authinstance) {
            $authobj = AuthFactory::create($authinstance);

            $mnetuser = 0;
            if ($SESSION->get('mnetuser') && $authobj->parent) {
Aaron Wells's avatar
Aaron Wells committed
480
                // We wish to remember that the user is an MNET user - even though
481
482
483
                // they're using the local login form
                $mnetuser = $USER->get('id');
            }
484

485
486
            $authobj->logout();
            $USER->logout();
487

488
489
490
491
492
493
494
            if ($mnetuser != 0) {
                $SESSION->set('mnetuser', $mnetuser);
                $SESSION->set('authinstance', $authinstance);
            }
        }
        else {
            log_debug("Strange: user " . $USER->get('username') . " had no authinstance set in their session");
495
496
        }

497
        if (defined('JSON')) {
498
            json_reply('global', get_string('sessiontimedoutreload'), 1);
499
500
        }

501
502
503
504
505
506
        // If the page the user is viewing is public, inform them that they can
        // log in again
        if (defined('PUBLIC')) {
            // @todo this links to ?login - later it should do magic to make
            // sure that whatever GET string is made it includes the old data
            // correctly
507
508
509
510
            $loginurl = $_SERVER['REQUEST_URI'];
            $loginurl .= (false === strpos($loginurl, '?')) ? '?' : '&';
            $loginurl .= 'login';
            $SESSION->add_info_msg(get_string('sessiontimedoutpublic', 'mahara', hsc($loginurl)), false);
511
512
513
            return;
        }

514
        auth_draw_login_page(get_string('sessiontimedout'));
515
516
517
    }
    else {
        // There is no session, so we check to see if one needs to be started.
518
        // Build login form. If the form is submitted it will be handled here,
519
520
        // and set $USER for us (this will happen when users hit a page and
        // specify login data immediately
521
        $form = pieform_instance(auth_get_login_form());
522
523
        if ($USER->is_logged_in()) {
            return;
524
        }
Aaron Wells's avatar
Aaron Wells committed
525

526
        // Check if the page is public or the site is configured to be public.
527
        if (defined('PUBLIC') && !param_exists('login')) {
528
            return;
529
        }
530
531
532
533
534

        // No session and a json request
        if (defined('JSON')) {
            json_reply('global', get_string('nosessionreload'), 1);
        }
Aaron Wells's avatar
Aaron Wells committed
535

536
        auth_draw_login_page(null, $form);
537
        exit;
538
539
540
    }
}

541
/**
Aaron Wells's avatar
Aaron Wells committed
542
 *
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
 * Returns all auth instances
 *
 * @return array                     Array of auth instance records
 */
function auth_get_auth_instances() {
    static $cache = array();

    if (count($cache) > 0) {
        return $cache;
    }

    $sql ='
        SELECT DISTINCT
            i.id,
            inst.name,
            inst.displayname,
559
            i.instancename,
560
561
            i.authname,
            i.active
Aaron Wells's avatar
Aaron Wells committed
562
        FROM
563
564
            {institution} inst,
            {auth_instance} i
Aaron Wells's avatar
Aaron Wells committed
565
        WHERE
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
            i.institution = inst.name
        ORDER BY
            inst.displayname,
            i.instancename';

    $cache = get_records_sql_array($sql, array());

    if (empty($cache)) {
        return array();
    }

    return $cache;
}


581
/**
Aaron Wells's avatar
Aaron Wells committed
582
 *
583
584
585
586
587
588
589
590
591
592
593
594
595
 * Given a list of institutions, returns all auth instances associated with them
 *
 * @return array                     Array of auth instance records
 */
function auth_get_auth_instances_for_institutions($institutions) {
    if (empty($institutions)) {
        return array();
    }
    $sql ='
        SELECT DISTINCT
            i.id,
            inst.name,
            inst.displayname,
596
            i.instancename,
597
598
            i.authname,
            i.active
Aaron Wells's avatar
Aaron Wells committed
599
        FROM
600
601
            {institution} inst,
            {auth_instance} i
Aaron Wells's avatar
Aaron Wells committed
602
        WHERE
603
604
605
606
607
608
609
610
            i.institution = inst.name AND
            inst.name IN (' . join(',', array_map('db_quote',$institutions)) . ')
        ORDER BY
            inst.displayname,
            i.instancename';

    return get_records_sql_array($sql, array());
}
611
612


613
/**
Aaron Wells's avatar
Aaron Wells committed
614
 * Given an institution, returns the authentication methods used by it, sorted
615
 * by priority.
616
 *
617
618
 * @param  string   $institution     Name of the institution
 * @return array                     Array of auth instance records
619
 */
620
function auth_get_auth_instances_for_institution($institution=null) {
Nigel McNie's avatar
Nigel McNie committed
621
    static $cache = array();
622

623
    if (null == $institution) {
624
625
626
        return array();
    }

627
    if (!isset($cache[$institution])) {
628
629
630
631
632
633
634
635
636
637
638
        // Get auth instances in order of priority
        // DO NOT CHANGE THE SORT ORDER OF THIS RESULT SET
        // YEAH EINSTEIN - THAT MEANS YOU!!!

        // TODO: work out why this won't accept a placeholder - had to use db_quote
        $sql ='
            SELECT DISTINCT
                i.id,
                i.instancename,
                i.priority,
                i.authname,
639
                i.active,
640
641
                a.requires_config,
                a.requires_parent
Aaron Wells's avatar
Aaron Wells committed
642
            FROM
643
644
                {auth_instance} i,
                {auth_installed} a
Aaron Wells's avatar
Aaron Wells committed
645
            WHERE
646
647
648
649
650
651
652
653
                a.name = i.authname AND
                i.institution = '. db_quote($institution).'
            ORDER BY
                i.priority,
                i.instancename';

        $cache[$institution] = get_records_sql_array($sql, array());

654
        if (empty($cache[$institution])) {
655
656
            return false;
        }
Nigel McNie's avatar
Nigel McNie committed
657
    }
658
659

    return $cache[$institution];
660
661
}

662
663
/**
 * Given a wwwroot, find any auth instances that can come from that host
Aaron Wells's avatar
Aaron Wells committed
664
 *
665
666
667
 * @param   string  wwwroot of the host that is connecting to us
 * @return  array   array of record objects
 */
668
669
function auth_get_auth_instances_for_wwwroot($wwwroot) {
    $query = "  SELECT
670
671
                    ai.id,
                    ai.authname,
672
                    ai.active,
673
674
675
                    i.id as institutionid,
                    i.displayname,
                    i.suspended
676
                FROM
677
678
679
680
681
682
                    {auth_instance} ai
                    INNER JOIN {institution} i
                        ON ai.institution = i.name
                    INNER JOIN {auth_instance_config} aic
                        ON aic.field = 'wwwroot'
                        AND aic.instance = ai.id
683
                WHERE
684
                    aic.value = ?";
685
686
687
688

    return get_records_sql_array($query, array('value' => $wwwroot));
}

689
/**
Aaron Wells's avatar
Aaron Wells committed
690
 * Given an institution, get all the auth types EXCEPT those that are already
691
692
693
694
695
 * enabled AND do not require configuration.
 *
 * @param  string   $institution     Name of the institution
 * @return array                     Array of auth instance records
 */
696
function auth_get_available_auth_types($institution=null) {
697

698
    if (!is_null($institution) && (!is_string($institution) || strlen($institution) > 255)) {
699
700
701
702
703
704
705
706
        return array();
    }

    // TODO: work out why this won't accept a placeholder - had to use db_quote
    $sql ='
        SELECT DISTINCT
            a.name,
            a.requires_config
Aaron Wells's avatar
Aaron Wells committed
707
        FROM
708
            {auth_installed} a
Aaron Wells's avatar
Aaron Wells committed
709
        LEFT JOIN
710
            {auth_instance} i
Aaron Wells's avatar
Aaron Wells committed
711
        ON
712
713
714
715
716
717
718
            a.name = i.authname AND
            i.institution = '. db_quote($institution).'
        WHERE
           (a.requires_config = 1 OR
            i.id IS NULL) AND
            a.active = 1
        ORDER BY
Aaron Wells's avatar
Aaron Wells committed
719
            a.name';
720

721
722
723
724
725
    if (is_null($institution)) {
        $result = get_records_array('auth_installed', '','','name','name, requires_config');
    } else {
        $result = get_records_sql_array($sql, array());
    }
726
727
728
729
730

    if (empty($result)) {
        return array();
    }

731
732
733
734
735
736
737
738
739
740
    foreach ($result as &$row) {
        $row->title       = get_string('title', 'auth.' . $row->name);
        safe_require('auth', $row->name);
        if ($row->is_usable = call_static_method('PluginAuth' . $row->name, 'is_usable')) {
            $row->description = get_string('description', 'auth.' . $row->name);
        }
        else {
            $row->description = get_string('notusable', 'auth.' . $row->name);
        }
    }
741
742
743
744
745
746
747
748
    usort($result, function($a, $b) {
        if ($a->is_usable != $b->is_usable) {
            return $b->is_usable;
        }
        else {
            return strnatcasecmp($a->title, $b->title);
        }
    });
749

750
751
    return $result;
}
752
753
754
/**
 * Build the agree with or withdraw consent to privacy statement
 *
755
756
757
758
759
 * @param ignoreagreevalue true  - when a new privacy statement needs to be accepted,
 *                         false - when the form will be displayed to allow the consent withdraw.
 * @param ignoreformswitch If true we do not show the form's switch fields. Useful if strict privacy is off.
 *
 * @return pieform form
760
 */
761
function privacy_form($ignoreagreevalue = false, $ignoreformswitch = false) {
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
    global $USER;

    // Get all institutions of a user.
    $userinstitutions = array_keys($USER->get('institutions'));
    // Include the 'mahara' institution so that we may show the site privacy statement as well.
    array_push($userinstitutions, 'mahara');

    // Check if there are new privacies that need to be accepted.
    $latestversions = get_latest_privacy_versions($userinstitutions, $ignoreagreevalue);
    if (empty($latestversions)) {
        // We may be masquerading as user
        return '<div>' . get_string('noprivacystatementsaccepted', 'account') . '</div>';
    }

    foreach ($latestversions as $privacy) {
777
778
779
        if ($privacy->type == 'privacy') {
            $title = get_string('institutionprivacystatement', 'admin');
            if ($privacy->institution == 'mahara') {
780
                $title = get_string('siteprivacy', 'admin');
781
782
783
            }
        }
        else {
784
            $title = get_string('institutiontermsandconditions', 'admin');
785
            if ($privacy->institution == 'mahara') {
786
                $title = get_string('sitetermsandconditions', 'admin');
787
788
            }
        }
789
790
        $smarty = smarty_core();
        $smarty->assign('privacy', $privacy);
791
        $smarty->assign('privacytitle', $title);
792
793
        $smarty->assign('privacytime', format_date(strtotime($privacy->ctime)));
        $smarty->assign('ignoreagreevalue', $ignoreagreevalue);
794
        $smarty->assign('ignoreformswitch', $ignoreformswitch);
795
796
797
        $htmlbegin = $smarty->fetch('privacy_panel_begin.tpl');

        //Build form elements.
798
        $elements[$privacy->institution . $privacy->type . 'text'] = array(
799
800
801
            'type' => 'markup',
            'value' => $htmlbegin,
        );
802
        $elements[$privacy->institution . $privacy->type . 'id'] = array(
803
804
805
            'type' => 'hidden',
            'value' => $privacy->id,
        );
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
        if (!$ignoreformswitch) {
            $elements[$privacy->institution . $privacy->type] = array(
                'type'         => 'switchbox',
                'title'        => get_string('privacyagreement', 'admin', get_string($privacy->type . 'lowcase', 'admin')),
                'description'  => $privacy->agreed ? get_string('privacyagreedto', 'admin',
                    get_string($privacy->type . 'lowcase', 'admin'), format_date(strtotime($privacy->agreedtime))) : '',
                'defaultvalue' => $privacy->agreed ? true : false,
                'disabled'     => ($privacy->agreed && $ignoreagreevalue) ? true : false,
                'required' => true,
            );
            $elements[$privacy->institution . $privacy->type . 'switch'] = array(
                'type' => 'hidden',
                'value' => ($privacy->agreed && $ignoreagreevalue) ? 'disabled' : 'enabled',
            );
        }
821
822
823
        $smarty = smarty_core();
        $smarty->assign('ignoreagreevalue', $ignoreagreevalue);
        $htmlend = $smarty->fetch('privacy_panel_end.tpl');
824
        $elements[$privacy->institution . $privacy->type . 'text2'] = array(
825
826
827
828
829
830
            'type' => 'markup',
            'value' => $htmlend,
        );

    }
    $classhidden = $ignoreagreevalue ? '' : 'js-hidden';
831
832
833
834
835
836
837
838
    if (!$ignoreformswitch) {
        $elements['submit'] = array(
            'class' => 'btn-primary ' . $classhidden,
            'type'  => 'submit',
            'value' => get_string('savechanges', 'admin')
        );
    }

839
840
841
842
    $form = pieform(array(
        'name'       => 'agreetoprivacy',
        'elements' => $elements,
    ));
843

844
845
    return $form;
}
846
847
/**
 * Checks that all the required fields are set, and handles setting them if required.
848
849
850
 *
 * Checks whether the current user needs to change their password, and handles
 * the password changing if it's required.
851
852
 */
function auth_check_required_fields() {
853
    global $USER, $SESSION;
854

855
856
857
858
859
    if ($USER->get('id') == 0) {
        // We shouldn't be checking either logged out user or User = 0
        throw new ConfigSanityException(get_string('invaliduser', 'error'));
    }

860
861
862
863
864
865
866
867
868
869
870
    // for the case we are mascarading as the user and we want to return to be admin user
    $restoreadmin = param_integer('restore', 0);
    $loginanyway = false;
    if ($USER->get('parentuser') && param_exists('loginanyway')) {
        $USER->loginanyway = true;
    }
    if ($USER->get('loginanyway')) {
        $loginanyway = true;
    }
    // Privacy statement.
    if (get_config('institutionstrictprivacy') && !$USER->has_latest_agreement() && !$restoreadmin && !$loginanyway) {
871
872
873
        // Build the agree with privacy statement form.
        $form = privacy_form(true);

874
        define('TITLE', get_string('legal', 'admin'));
875
876
        $smarty = smarty();
        setpageicon($smarty, 'icon-umbrella');
877
878
        if ($USER->get('parentuser')) {
            $smarty->assign('loginanyway',
879
            get_string('loginasoverridelegalaccept', 'admin',
880
881
                       '<strong><a class="" href="' . get_config('wwwroot') . '?loginanyway">', '</a></strong>'));
        }
882
        $smarty->assign('form', $form);
883
884
        $smarty->assign('description', get_string('newprivacy', 'admin'));
        $smarty->display('account/userprivacy.tpl');
885
886
887
        exit;
    }

888
    if (defined('NOCHECKREQUIREDFIELDS') || $SESSION->get('nocheckrequiredfields') === true) {
889
890
        return;
    }
891
892
893
894
895
896
897
898
899
900
    $changepassword = true;
    $elements = array();

    if (
        !$USER->get('passwordchange')                                // User doesn't need to change their password
        || ($USER->get('parentuser') && $USER->get('loginanyway'))   // User is masquerading and wants to log in anyway
        || defined('NOCHECKPASSWORDCHANGE')                          // The page wants to skip this hassle
        ) {
        $changepassword = false;
    }
901

902
    // Check if the user wants to log in anyway
903
    if ($USER->get('passwordchange') && $loginanyway) {
904
905
906
        $changepassword = false;
    }

907
908
909
910
911
    // Do not force password change on JSON request.
    if (defined('JSON') && JSON == true) {
        $changepassword = false;
    }

912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
    if ($changepassword) {
        $authobj = AuthFactory::create($USER->authinstance);

        if ($authobj->changepasswordurl) {
            redirect($authobj->changepasswordurl);
            exit;
        }

        if (method_exists($authobj, 'change_password')) {

            if ($SESSION->get('resetusername')) {
                $elements['username'] = array(
                    'type' => 'text',
                    'defaultvalue' => $USER->get('username'),
                    'title' => get_string('changeusername', 'account'),
                    'description' => get_string('changeusernamedesc', 'account', hsc(get_config('sitename'))),
                );
            }

            $elements['password1'] = array(
                'type'        => 'password',
                'title'       => get_string('newpassword') . ':',
Gregor Anzelj's avatar
Gregor Anzelj committed
934
935
                'description' => get_password_policy_description('user'),
                'showstrength' => true,
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
                'rules'       => array(
                    'required' => true
                )
            );

            $elements['password2'] = array(
                'type'        => 'password',
                'title'       => get_string('confirmpassword') . ':',
                'description' => get_string('yournewpasswordagain'),
                'rules'       => array(
                    'required' => true,
                ),
            );

            $elements['email'] = array(
                'type'   => 'text',
                'title'  => get_string('principalemailaddress', 'artefact.internal'),
                'ignore' => (trim($USER->get('email')) != '' && !preg_match('/@example\.org$/', $USER->get('email'))),
                'rules'  => array(
                    'required' => true,
                    'email'    => true,
                ),
            );
        }
    }
    else if (defined('JSON')) {
962
963
964
965
        // Don't need to check this for json requests
        return;
    }

966
967
    safe_require('artefact', 'internal');

968
    $alwaysmandatoryfields = array_keys(ArtefactTypeProfile::get_always_mandatory_fields());
969
    $element_data = ArtefactTypeProfile::get_field_element_data();
970
    foreach(ArtefactTypeProfile::get_mandatory_fields() as $field => $type) {
Aaron Wells's avatar
Aaron Wells committed
971
972
        // Always mandatory fields are stored in the usr table, so are part of
        // the user session object. We can save a query by grabbing them from
973
974
975
976
977
        // the session.
        if (in_array($field, $alwaysmandatoryfields) && $USER->get($field) != null) {
            continue;
        }
        // Not cached? Get value the standard way.
978
        if (get_profile_field($USER->get('id'), $field) != null) {
979
980
            continue;
        }
981
982
983
984
985
986
987
988
        // If profile field saves it's data somewhere different to normal
        $classname = 'ArtefactType' . ucfirst($field);
        if (is_callable(array($classname, 'defaultoption'))) {
            $option = call_static_method($classname, 'defaultoption');
            if (!empty($option)) {
                continue;
            }
        }
989

990
        if ($field == 'email') {
991
992
993
994
            if (isset($elements['email'])) {
                continue;
            }
            // Use a text field for their first e-mail address, not the
995
996
997
998
            // emaillist element
            $type = 'text';
        }

999
1000
1001
1002
1003
        $elements[$field] = array(
            'type'  => $type,
            'title' => get_string($field, 'artefact.internal'),
            'rules' => array('required' => true)
        );
1004
1005
1006
1007
1008
        // We need to merge the rules for the element if they have special rules defined
        // in get_field_element_data() so that we save correct data.
        if (isset($element_data[$field])) {
            $elements[$field] = array_merge_recursive($elements[$field], $element_data[$field]);
        }
1009

1010
1011
1012
1013
1014
1015
1016
1017
1018
        if ($field == 'socialprofile') {
            $elements[$field] = ArtefactTypeSocialprofile::get_new_profile_elements();
            // add an element to flag that socialprofile is in the list of fields.
            $elements['socialprofile_hidden'] = array(
                'type'  => 'hidden',
                'value' => 1,
            );
        }

1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
        // @todo ruthlessly stolen from artefact/internal/index.php, could be merged
        if ($type == 'wysiwyg') {
            $elements[$field]['rows'] = 10;
            $elements[$field]['cols'] = 60;
        }
        if ($type == 'textarea') {
            $elements[$field]['rows'] = 4;
            $elements[$field]['cols'] = 60;
        }
        if ($field == 'country') {
            $elements[$field]['options'] = getoptions_country();
1030
            $elements[$field]['defaultvalue'] = get_config('country') ? get_config('country') : 'nz';
1031
        }
1032
1033
1034
1035
1036
1037
1038
1039
        if (is_callable(array($classname, 'getoptions'))) {
            $options = call_static_method($classname, 'getoptions');
            $elements[$field]['options'] = $options;
        }
        if (is_callable(array($classname, 'defaultoption'))) {
            $defaultoption = call_static_method($classname, 'defaultoption');
            $elements[$field]['defaultvalue'] = $defaultoption;
        }
1040
1041

        if ($field == 'email') {
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
            // Check if a validation email has been sent
            if (record_exists('artefact_internal_profile_email', 'owner', $USER->get('id'))) {
                $elements['email']['type'] = 'html';
                $elements['email']['value'] = get_string('validationprimaryemailsent', 'auth');
                $elements['email']['disabled'] = true;
                $elements['email']['rules'] = array('required' => false);
            }
            else {
                $elements[$field]['rules']['email'] = true;
                $elements[$field]['description'] = get_string('primaryemaildescription', 'auth');
            }
1053
        }
1054
1055
1056
    }

    if (empty($elements)) { // No mandatory fields that aren't set
1057
        $SESSION->set('nocheckrequiredfields', true);
1058
1059
1060
        return;
    }

1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
    if ((count($elements) == 1) && isset($elements['email']) && ($elements['email']['type'] == 'html')) {
        // Display a message if there is only 1 required field and this field is email whose validation has been sent
        $elements['submit'] = array(
                'type' => 'submit',
                'value' => get_string('continue', 'admin')
        );
        $form = pieform(array(
                'name'     => 'requiredfields',
                'method'   => 'post',
                'action'   => get_config('wwwroot') . '?logout',
                'elements' => $elements
        ));
    }
    else {
        $elements['submit'] = array(
            'type' => 'submit',
1077
            'class' => 'btn-primary',
1078
1079
            'value' => get_string('submit')
        );
1080

1081
1082
1083
1084
        $form = pieform(array(
            'name'     => 'requiredfields',
            'method'   => 'post',
            'action'   => '',
1085
1086
            'elements' => $elements,
            'dieaftersubmit' => FALSE,
1087
            'backoutaftersubmit' => FALSE,
1088
1089
        ));
    }
1090

1091
1092
1093
1094
1095
    // Has the form been successfully submitted? Back out and let the requested URL continue.
    if ($form === FALSE) {
        return;
    }

1096
    $smarty = smarty();
1097
1098
1099
    if ($USER->get('parentuser')) {
        $smarty->assign('loginasoverridepasswordchange',
            get_string('loginasoverridepasswordchange', 'admin',
1100
                       '<strong><a class="" href="' . get_config('wwwroot') . '?loginanyway">', '</a></strong>'));
1101
1102
    }
    $smarty->assign('changepassword', $changepassword);
1103
    $smarty->assign('changeusername', $SESSION->get('resetusername'));
1104
1105
1106
1107
1108
    $smarty->assign('form', $form);
    $smarty->display('requiredfields.tpl');
    exit;
}

1109
function requiredfields_validate(Pieform $form, $values) {
Nigel McNie's avatar
Nigel McNie committed
1110
    global $USER;
1111
    if (isset($values['password1'])) {
1112

1113
1114
1115
        // Get the authentication type for the user, and
        // use the information to validate the password
        $authobj = AuthFactory::create($USER->authinstance);
1116

1117
1118
        // @todo this could be done by a custom form rule... 'password' => $user
        password_validate($form, $values, $USER);
1119

1120
1121
1122
1123
1124
1125
        // The password cannot be the same as the old one
        try {
            if (!$form->get_error('password1')
                && $authobj->authenticate_user_account($USER, $values['password1'])) {
                $form->set_error('password1', get_string('passwordnotchanged'));
            }
1126
        }
1127
1128
1129
        // propagate error up as the collective error AuthUnknownUserException
         catch  (AuthInstanceException $e) {
            $form->set_error('password1', $e->getMessage());
1130
        }
1131
1132
1133
1134
1135

        if ($authobj->authname == 'internal' && isset($values['username']) && $values['username'] != $USER->get('username')) {
            if (!AuthInternal::is_username_valid($values['username'])) {
                $form->set_error('username', get_string('usernameinvalidform', 'auth.internal'));
            }
1136
            if (!$form->get_error('username') && record_exists_select('usr', 'LOWER(username) = ?', array(strtolower($values['username'])))) {
1137
                $form->set_error('username', get_string('usernamealreadytaken1', 'auth.internal'));
1138
            }
1139
1140
        }
    }
1141

1142
1143
    // Check if email has been taken
    if (isset($values['email']) && record_exists('artefact_internal_profile_email', 'email', $values['email'])) {
1144
        $form->set_error('email', get_string('unvalidatedemailalreadytaken', 'artefact.internal'));
1145
    }
1146
1147
1148
1149
    // Check if the socialprofile url is valid.
    if (isset($values['socialprofile_hidden']) && $values['socialprofile_hidden'] && $values['socialprofile_profiletype'] == 'webpage' && !filter_var($values['socialprofile_profileurl'], FILTER_VALIDATE_URL)) {
        $form->set_error('socialprofile_profileurl', get_string('notvalidprofileurl', 'artefact.internal'));
    }
1150
1151
}

1152
function requiredfields_submit(Pieform $form, $values) {
1153
    global $USER, $SESSION;
1154

1155
1156
1157
1158
1159
1160
1161
1162
1163
    if (isset($values['password1'])) {
        $authobj = AuthFactory::create($USER->authinstance);

        // This method should exist, because if it did not then the change
        // password form would not have been shown.
        if ($password = $authobj->change_password($USER, $values['password1'])) {
            $SESSION->add_ok_msg(get_string('passwordsaved'));
        }
        else {
1164
            throw new SystemException('Attempt by "' . $USER->get('username') . '@'
1165
1166
1167
                . $USER->get('institution') . 'to change their password failed');
        }
    }
Nigel McNie's avatar
Nigel McNie committed
1168

1169
1170
1171
1172
1173
1174
1175
1176
1177
    if (isset($values['username'])) {
        $SESSION->set('resetusername', false);
        if ($values['username'] != $USER->get('username')) {
            $USER->username = $values['username'];
            $USER->commit();
            $otherfield = true;
        }
    }

1178
1179
1180
1181
1182
1183
    if (isset($values['socialprofile_hidden']) && $values['socialprofile_hidden']) {
        // Socialprofile fields. Save them on their own as they are a fieldset.
        set_profile_field($USER->get('id'), 'socialprofile', $values);
        $otherfield = true;
    }

1184
    foreach ($values as $field => $value) {
1185
1186
1187
        if (in_array($field, array('submit', 'sesskey', 'password1', 'password2', 'username',
                                   'socialprofile_service', 'socialprofile_profiletype',
                                   'socialprofile_profileurl', 'socialprofile_hidden'))) {
1188
1189
1190
            continue;
        }
        if ($field == 'email') {
1191
            $email = $values['email'];
1192
            // Need to update the admin email on installation
1193
            if ($USER->get('admin')) {
1194
1195
1196
1197
                $oldemail = get_field('usr', 'email', 'id', $USER->get('id'));
                if ($oldemail == 'admin@example.org') {
                    // we are dealing with the dummy email that is set on install
                    update_record('artefact_internal_profile_email', array('email' => $email), array('owner' => $USER->get('id')));
1198
                    update_record('artefact', array('title' => $email), array('owner' => $USER->get('id'), 'artefacttype' => 'email'));
1199
1200
                    $USER->email = $email;
                    $USER->commit();
1201
1202
                }
            }
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
            // Check if a validation email has been sent, if not send one
            if (!record_exists('artefact_internal_profile_email', 'owner', $USER->get('id'))) {
                $key = get_random_key();
                $key_url = get_config('wwwroot') . 'artefact/internal/validate.php?email=' . rawurlencode($email) . '&key=' . $key;
                $key_url_decline = $key_url . '&decline=1';

                try {
                    $sitename = get_config('sitename');
                    email_user(
                        (object)array(
                            'id'            => $USER->get('id'),
                            'username'      => $USER->get('username'),
                            'firstname'     => $USER->get('firstname'),
                            'lastname'      => $USER->get('lastname'),
                            'preferredname' => $USER->get('preferredname'),
                            'admin'         => $USER->get('admin'),
                            'staff'         => $USER->get('staff'),
                            'email'         => $email,
                        ),
                        null,
                        get_string('emailvalidation_subject', 'artefact.internal'),
                        get_string('emailvalidation_body1', 'artefact.internal', $USER->get('firstname'), $email, $sitename, $key_url, $sitename, $key_url_decline)
                    );
                }
                catch (EmailException $e) {
                    $SESSION->add_error_msg($email);
                }

                insert_record(
                    'artefact_internal_profile_email',
                    (object) array(
                        'owner'    => $USER->get('id'),
                        'email'    => $email,
                        'verified' => 0,
                        'principal' => 1,
                        'key'      => $key,
                        'expiry'   => db_format_timestamp(time() + 86400),
                    )
                );
                $SESSION->add_ok_msg(get_string('validationemailsent', 'artefact.internal'));
            }
        }
        else {
            set_profile_field($USER->get('id'), $field, $value);
            $otherfield = true;
1248
        }
1249
    }
Nigel McNie's avatar
Nigel McNie committed
1250

1251
1252
1253
1254
    if (isset($otherfield)) {
        $SESSION->add_ok_msg(get_string('requiredfieldsset', 'auth'));
    }

1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
    // Update the title of user's first blog if first and/or last name have been changed
    $updatedfields = array_keys($values);
    if (in_array('firstname', $updatedfields) || in_array('lastname', $updatedfields)) {
        safe_require('artefact', 'blog');
        $userblogs = get_records_select_array('artefact', 'artefacttype = \'blog\' AND owner = ?', array($USER->get('id')));
        if ($userblogs && count($userblogs) == 1) {
            $defaultblog = new ArtefactTypeBlog($userblogs[0]->id);
            $defaultblog->set('title', get_string('defaultblogtitle', 'artefact.blog', display_name($USER, null, true)));
            $defaultblog->commit();
        }
    }

1267
    $SESSION->set('nocheckrequiredfields', true);
1268

1269
    redirect();
1270
1271
}

1272
1273
1274
function agreetoprivacy_submit(Pieform $form, $values) {
    global $USER, $SESSION;

1275
1276
1277
1278
1279
1280
1281
1282
    $institutions = array('maharaprivacy', 'maharatermsandconditions');
    $userinstitution = array_keys($USER->get('institutions'));

    if (!empty($userinstitution)) {
        array_push($userinstitution, $userinstitution[0] . 'termsandconditions', $userinstitution[0] . 'privacy');
        array_shift($userinstitution);
        $institutions = array_merge($institutions, $userinstitution);
    }
1283

1284
    $hasrefused = param_integer('hasrefused', 0);
1285
    $reason = param_variable('reason', '');
1286
    $whathasbeenrefused = array();
1287

1288
    foreach ($institutions as $institution) {
1289
1290
1291
1292
        // check if the institution has a privacy statement
        // if not, it depends on the site one and we can skip it
        // if yes, check if the user has already accepted it (switch is disabled)
        if (!isset($values[$institution]) || $values[$institution . 'switch'] == 'disabled') {
1293
1294
1295
            continue;
        }
        try {
1296
            $agreed = (empty($values[$institution]) ? 0 : $values[$institution]);
1297
            save_user_reply_to_agreement($USER->get('id'), $values[$institution . 'id'], $agreed);
1298
1299
            if (!$agreed) {
                array_push($whathasbeenrefused, strpos($institution , 'privacy') ? 'privacylowcase' : 'termsandconditionslowcase');
1300
            }
1301
            $SESSION->add_ok_msg(get_string('agreementsaved', 'admin'));
1302
1303
1304
1305
1306
        }
        catch (SQLException $e) {
            $SESSION->add_ok_msg(get_string('savefailed', 'admin'));
        }
    }
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
    // Moved this here to allow all refused items to be saved in the DB.
    if ($hasrefused) {
        // Send a message to the institution/site admin informing that the user has refused the privacy statement.
        $institution = new Institution(str_replace(array('privacy', 'termsandconditions'), array('', ''), $institution));
        $institution->send_admin_institution_refused_privacy_message($USER->get('id'), $reason, $whathasbeenrefused);

        suspend_user($USER->get('id'), $whathasbeenrefused);
        $SESSION->add_ok_msg(get_string('usersuspended', 'admin'));
        $USER->logout();
        redirect();
    }
1318
    $USER->renew();
1319
1320
    redirect();
}
1321
/**
Nigel McNie's avatar
Nigel McNie committed
1322
 * Creates and displays the transient login page.
1323
 *
Nigel McNie's avatar
Nigel McNie committed
1324
1325
1326
1327
 * This login page remembers all GET/POST data and passes it on. This way,
 * users can have their sessions time out, and then can log in again without
 * losing any of their data.
 *
1328
1329
1330
 * As this function builds and validates a login form, it is possible that
 * calling this may validate a user to be logged in.
 *
1331
1332
1333
 * @param Pieform $form If specified, just build this form to get the HTML
 *                      required. Otherwise, this function will build and
 *                      validate the form itself.
Nigel McNie's avatar
Nigel McNie committed
1334
 * @access private
1335
 */
1336
function auth_draw_login_page($message=null, Pieform $form=null) {
1337
    global $USER, $SESSION;
Nigel McNie's avatar