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root / drupal7 / modules / user / user.pages.inc @ c7768a53

1
<?php
2

    
3
/**
4
 * @file
5
 * User page callback file for the user module.
6
 */
7

    
8
/**
9
 * Menu callback; Retrieve a JSON object containing autocomplete suggestions for existing users.
10
 */
11
function user_autocomplete($string = '') {
12
  $matches = array();
13
  if ($string) {
14
    $result = db_select('users')->fields('users', array('name'))->condition('name', db_like($string) . '%', 'LIKE')->range(0, 10)->execute();
15
    foreach ($result as $user) {
16
      $matches[$user->name] = check_plain($user->name);
17
    }
18
  }
19

    
20
  drupal_json_output($matches);
21
}
22

    
23
/**
24
 * Form builder; Request a password reset.
25
 *
26
 * @ingroup forms
27
 * @see user_pass_validate()
28
 * @see user_pass_submit()
29
 */
30
function user_pass() {
31
  global $user;
32

    
33
  $form['name'] = array(
34
    '#type' => 'textfield',
35
    '#title' => t('Username or e-mail address'),
36
    '#size' => 60,
37
    '#maxlength' => max(USERNAME_MAX_LENGTH, EMAIL_MAX_LENGTH),
38
    '#required' => TRUE,
39
    '#default_value' => isset($_GET['name']) ? $_GET['name'] : '',
40
  );
41
  // Allow logged in users to request this also.
42
  if ($user->uid > 0) {
43
    $form['name']['#type'] = 'value';
44
    $form['name']['#value'] = $user->mail;
45
    $form['mail'] = array(
46
      '#prefix' => '<p>',
47
      // As of https://www.drupal.org/node/889772 the user no longer must log
48
      // out (if they are still logged in when using the password reset link,
49
      // they will be logged out automatically then), but this text is kept as
50
      // is to avoid breaking translations as well as to encourage the user to
51
      // log out manually at a time of their own choosing (when it will not
52
      // interrupt anything else they may have been in the middle of doing).
53
      '#markup' =>  t('Password reset instructions will be mailed to %email. You must log out to use the password reset link in the e-mail.', array('%email' => $user->mail)),
54
      '#suffix' => '</p>',
55
    );
56
  }
57
  $form['actions'] = array('#type' => 'actions');
58
  $form['actions']['submit'] = array('#type' => 'submit', '#value' => t('E-mail new password'));
59

    
60
  return $form;
61
}
62

    
63
/**
64
 * Form validation handler for user_pass().
65
 *
66
 * @see user_pass_submit()
67
 */
68
function user_pass_validate($form, &$form_state) {
69
  if (isset($form_state['values']['name']) && !is_scalar($form_state['values']['name'])) {
70
    form_set_error('name', t('An illegal value has been detected. Please contact the site administrator.'));
71
    return;
72
  }
73
  $user_pass_reset_ip_window = variable_get('user_pass_reset_ip_window', 3600);
74
  // Do not allow any password reset from the current user's IP if the limit
75
  // has been reached. Default is 50 attempts allowed in one hour. This is
76
  // independent of the per-user limit to catch attempts from one IP to request
77
  // resets for many different user accounts. We have a reasonably high limit
78
  // since there may be only one apparent IP for all users at an institution.
79
  if (!flood_is_allowed('pass_reset_ip', variable_get('user_pass_reset_ip_limit', 50), $user_pass_reset_ip_window)) {
80
    form_set_error('name', t('Sorry, too many password reset attempts from your IP address. This IP address is temporarily blocked. Try again later or <a href="@url">request a new password</a>.', array('@url' => url('user/password'))));
81
    return;
82
  }
83
  // Always register an per-IP event.
84
  flood_register_event('pass_reset_ip', $user_pass_reset_ip_window);
85
  $name = trim($form_state['values']['name']);
86
  // Try to load by email.
87
  $users = user_load_multiple(array(), array('mail' => $name, 'status' => '1'));
88
  $account = reset($users);
89
  if (!$account) {
90
    // No success, try to load by name.
91
    $users = user_load_multiple(array(), array('name' => $name, 'status' => '1'));
92
    $account = reset($users);
93
  }
94
  if (isset($account->uid)) {
95
    // Register user flood events based on the uid only, so they can be cleared
96
    // when a password is reset successfully.
97
    $identifier = $account->uid;
98
    $user_pass_reset_user_window = variable_get('user_pass_reset_user_window', 21600);
99
    $user_pass_reset_user_limit = variable_get('user_pass_reset_user_limit', 5);
100
    // Don't allow password reset if the limit for this user has been reached.
101
    // Default is to allow 5 passwords resets every 6 hours.
102
    if (!flood_is_allowed('pass_reset_user', $user_pass_reset_user_limit, $user_pass_reset_user_window, $identifier)) {
103
      form_set_error('name', format_plural($user_pass_reset_user_limit, 'Sorry, there has been more than one password reset attempt for this account. It is temporarily blocked. Try again later or <a href="@url">login with your password</a>.', 'Sorry, there have been more than @count password reset attempts for this account. It is temporarily blocked. Try again later or <a href="@url">login with your password</a>.', array('@url' => url('user/login'))));
104
      return;
105
    }
106
    // Register a per-user event.
107
    flood_register_event('pass_reset_user', $user_pass_reset_user_window, $identifier);
108
    form_set_value(array('#parents' => array('account')), $account, $form_state);
109
  }
110
  else {
111
    form_set_error('name', t('Sorry, %name is not recognized as a user name or an e-mail address.', array('%name' => $name)));
112
  }
113
}
114

    
115
/**
116
 * Form submission handler for user_pass().
117
 *
118
 * @see user_pass_validate()
119
 */
120
function user_pass_submit($form, &$form_state) {
121
  global $language;
122

    
123
  $account = $form_state['values']['account'];
124
  // Mail one time login URL and instructions using current language.
125
  $mail = _user_mail_notify('password_reset', $account, $language);
126
  if (!empty($mail)) {
127
    watchdog('user', 'Password reset instructions mailed to %name at %email.', array('%name' => $account->name, '%email' => $account->mail));
128
    drupal_set_message(t('Further instructions have been sent to your e-mail address.'));
129
  }
130

    
131
  $form_state['redirect'] = 'user';
132
  return;
133
}
134

    
135
/**
136
 * Menu callback; process one time login link and redirects to the user page on success.
137
 */
138
function user_pass_reset($form, &$form_state, $uid, $timestamp, $hashed_pass, $action = NULL) {
139
  global $user;
140

    
141
  // When processing the one-time login link, we have to make sure that a user
142
  // isn't already logged in.
143
  if ($user->uid) {
144
    // The existing user is already logged in. Log them out and reload the
145
    // current page so the password reset process can continue.
146
    if ($user->uid == $uid) {
147
      // Preserve the current destination (if any) and ensure the redirect goes
148
      // back to the current page; any custom destination set in
149
      // hook_user_logout() and intended for regular logouts would not be
150
      // appropriate here.
151
      $destination = array();
152
      if (isset($_GET['destination'])) {
153
        $destination = drupal_get_destination();
154
      }
155
      user_logout_current_user();
156
      unset($_GET['destination']);
157
      drupal_goto(current_path(), array('query' => drupal_get_query_parameters() + $destination));
158
    }
159
    // A different user is already logged in on the computer.
160
    else {
161
      $reset_link_account = user_load($uid);
162
      if (!empty($reset_link_account)) {
163
        drupal_set_message(t('Another user (%other_user) is already logged into the site on this computer, but you tried to use a one-time link for user %resetting_user. Please <a href="!logout">logout</a> and try using the link again.',
164
          array('%other_user' => $user->name, '%resetting_user' => $reset_link_account->name, '!logout' => url('user/logout'))), 'warning');
165
      } else {
166
        // Invalid one-time link specifies an unknown user.
167
        drupal_set_message(t('The one-time login link you clicked is invalid.'), 'error');
168
      }
169
      drupal_goto();
170
    }
171
  }
172
  else {
173
    // Time out, in seconds, until login URL expires. Defaults to 24 hours =
174
    // 86400 seconds.
175
    $timeout = variable_get('user_password_reset_timeout', 86400);
176
    $current = REQUEST_TIME;
177
    // Some redundant checks for extra security ?
178
    $users = user_load_multiple(array($uid), array('status' => '1'));
179
    if ($timestamp <= $current && $account = reset($users)) {
180
      // No time out for first time login.
181
      if ($account->login && $current - $timestamp > $timeout) {
182
        drupal_set_message(t('You have tried to use a one-time login link that has expired. Please request a new one using the form below.'), 'error');
183
        drupal_goto('user/password');
184
      }
185
      elseif ($account->uid && $timestamp >= $account->login && $timestamp <= $current && $hashed_pass == user_pass_rehash($account->pass, $timestamp, $account->login, $account->uid)) {
186
        // First stage is a confirmation form, then login
187
        if ($action == 'login') {
188
          // Set the new user.
189
          $user = $account;
190
          // user_login_finalize() also updates the login timestamp of the
191
          // user, which invalidates further use of the one-time login link.
192
          user_login_finalize();
193
          // Clear any password reset flood events for this user.
194
          flood_clear_event('pass_reset_user', $account->uid);
195
          watchdog('user', 'User %name used one-time login link at time %timestamp.', array('%name' => $account->name, '%timestamp' => $timestamp));
196
          drupal_set_message(t('You have just used your one-time login link. It is no longer necessary to use this link to log in. Please change your password.'));
197
          // Let the user's password be changed without the current password check.
198
          $token = drupal_random_key();
199
          $_SESSION['pass_reset_' . $user->uid] = $token;
200
          drupal_goto('user/' . $user->uid . '/edit', array('query' => array('pass-reset-token' => $token)));
201
        }
202
        else {
203
          $form['message'] = array('#markup' => t('<p>This is a one-time login for %user_name and will expire on %expiration_date.</p><p>Click on this button to log in to the site and change your password.</p>', array('%user_name' => $account->name, '%expiration_date' => format_date($timestamp + $timeout))));
204
          $form['help'] = array('#markup' => '<p>' . t('This login can be used only once.') . '</p>');
205
          $form['actions'] = array('#type' => 'actions');
206
          $form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Log in'));
207
          $form['#action'] = url("user/reset/$uid/$timestamp/$hashed_pass/login");
208
          return $form;
209
        }
210
      }
211
      else {
212
        drupal_set_message(t('You have tried to use a one-time login link that has either been used or is no longer valid. Please request a new one using the form below.'), 'error');
213
        drupal_goto('user/password');
214
      }
215
    }
216
    else {
217
      // Deny access, no more clues.
218
      // Everything will be in the watchdog's URL for the administrator to check.
219
      drupal_access_denied();
220
      drupal_exit();
221
    }
222
  }
223
}
224

    
225
/**
226
 * Menu callback; logs the current user out, and redirects to the home page.
227
 */
228
function user_logout() {
229
  user_logout_current_user();
230
  drupal_goto();
231
}
232

    
233
/**
234
 * Logs the current user out.
235
 */
236
function user_logout_current_user() {
237
  global $user;
238

    
239
  watchdog('user', 'Session closed for %name.', array('%name' => $user->name));
240

    
241
  module_invoke_all('user_logout', $user);
242

    
243
  // Destroy the current session, and reset $user to the anonymous user.
244
  session_destroy();
245
}
246

    
247
/**
248
 * Process variables for user-profile.tpl.php.
249
 *
250
 * @param array $variables
251
 *   An associative array containing:
252
 *   - elements: An associative array containing the user information and any
253
 *     fields attached to the user. Properties used:
254
 *     - #account: The user account of the profile being viewed.
255
 *
256
 * @see user-profile.tpl.php
257
 */
258
function template_preprocess_user_profile(&$variables) {
259
  $account = $variables['elements']['#account'];
260

    
261
  // Helpful $user_profile variable for templates.
262
  foreach (element_children($variables['elements']) as $key) {
263
    $variables['user_profile'][$key] = $variables['elements'][$key];
264
  }
265

    
266
  // Preprocess fields.
267
  field_attach_preprocess('user', $account, $variables['elements'], $variables);
268
}
269

    
270
/**
271
 * Process variables for user-profile-item.tpl.php.
272
 *
273
 * The $variables array contains the following arguments:
274
 * - $element
275
 *
276
 * @see user-profile-item.tpl.php
277
 */
278
function template_preprocess_user_profile_item(&$variables) {
279
  $variables['title'] = $variables['element']['#title'];
280
  $variables['value'] = $variables['element']['#markup'];
281
  $variables['attributes'] = '';
282
  if (isset($variables['element']['#attributes'])) {
283
    $variables['attributes'] = drupal_attributes($variables['element']['#attributes']);
284
  }
285
}
286

    
287
/**
288
 * Process variables for user-profile-category.tpl.php.
289
 *
290
 * The $variables array contains the following arguments:
291
 * - $element
292
 *
293
 * @see user-profile-category.tpl.php
294
 */
295
function template_preprocess_user_profile_category(&$variables) {
296
  $variables['title'] = check_plain($variables['element']['#title']);
297
  $variables['profile_items'] = $variables['element']['#children'];
298
  $variables['attributes'] = '';
299
  if (isset($variables['element']['#attributes'])) {
300
    $variables['attributes'] = drupal_attributes($variables['element']['#attributes']);
301
  }
302
}
303

    
304
/**
305
 * Form builder; edit a user account or one of their profile categories.
306
 *
307
 * @ingroup forms
308
 * @see user_account_form()
309
 * @see user_account_form_validate()
310
 * @see user_profile_form_validate()
311
 * @see user_profile_form_submit()
312
 * @see user_cancel_confirm_form_submit()
313
 */
314
function user_profile_form($form, &$form_state, $account, $category = 'account') {
315
  global $user;
316

    
317
  // During initial form build, add the entity to the form state for use during
318
  // form building and processing. During a rebuild, use what is in the form
319
  // state.
320
  if (!isset($form_state['user'])) {
321
    $form_state['user'] = $account;
322
  }
323
  else {
324
    $account = $form_state['user'];
325
  }
326

    
327
  // @todo Legacy support. Modules are encouraged to access the entity using
328
  //   $form_state. Remove in Drupal 8.
329
  $form['#user'] = $account;
330
  $form['#user_category'] = $category;
331

    
332
  if ($category == 'account') {
333
    user_account_form($form, $form_state);
334
    // Attach field widgets.
335
    $langcode = entity_language('user', $account);
336
    field_attach_form('user', $account, $form, $form_state, $langcode);
337
  }
338

    
339
  $form['actions'] = array('#type' => 'actions');
340
  $form['actions']['submit'] = array(
341
    '#type' => 'submit',
342
    '#value' => t('Save'),
343
  );
344
  if ($category == 'account') {
345
    $form['actions']['cancel'] = array(
346
      '#type' => 'submit',
347
      '#value' => t('Cancel account'),
348
      '#submit' => array('user_edit_cancel_submit'),
349
      '#access' => $account->uid > 1 && (($account->uid == $user->uid && user_access('cancel account')) || user_access('administer users')),
350
    );
351
  }
352

    
353
  $form['#validate'][] = 'user_profile_form_validate';
354
  // Add the final user profile form submit handler.
355
  $form['#submit'][] = 'user_profile_form_submit';
356

    
357
  return $form;
358
}
359

    
360
/**
361
 * Form validation handler for user_profile_form().
362
 *
363
 * @see user_profile_form_submit()
364
 */
365
function user_profile_form_validate($form, &$form_state) {
366
  entity_form_field_validate('user', $form, $form_state);
367
}
368

    
369
/**
370
 * Form submission handler for user_profile_form().
371
 *
372
 * @see user_profile_form_validate()
373
 */
374
function user_profile_form_submit($form, &$form_state) {
375
  $account = $form_state['user'];
376
  $category = $form['#user_category'];
377
  // Remove unneeded values.
378
  form_state_values_clean($form_state);
379

    
380
  // Before updating the account entity, keep an unchanged copy for use with
381
  // user_save() later. This is necessary for modules implementing the user
382
  // hooks to be able to react on changes by comparing the values of $account
383
  // and $edit.
384
  $account_unchanged = clone $account;
385

    
386
  entity_form_submit_build_entity('user', $account, $form, $form_state);
387

    
388
  // Populate $edit with the properties of $account, which have been edited on
389
  // this form by taking over all values, which appear in the form values too.
390
  $edit = array_intersect_key((array) $account, $form_state['values']);
391

    
392
  user_save($account_unchanged, $edit, $category);
393
  $form_state['values']['uid'] = $account->uid;
394

    
395
  if ($category == 'account' && !empty($edit['pass'])) {
396
    // Remove the password reset tag since a new password was saved.
397
    unset($_SESSION['pass_reset_'. $account->uid]);
398
  }
399
  // Clear the page cache because pages can contain usernames and/or profile information:
400
  cache_clear_all();
401

    
402
  drupal_set_message(t('The changes have been saved.'));
403
}
404

    
405
/**
406
 * Submit function for the 'Cancel account' button on the user edit form.
407
 */
408
function user_edit_cancel_submit($form, &$form_state) {
409
  $destination = array();
410
  if (isset($_GET['destination'])) {
411
    $destination = drupal_get_destination();
412
    unset($_GET['destination']);
413
  }
414
  // Note: We redirect from user/uid/edit to user/uid/cancel to make the tabs disappear.
415
  $form_state['redirect'] = array("user/" . $form['#user']->uid . "/cancel", array('query' => $destination));
416
}
417

    
418
/**
419
 * Form builder; confirm form for cancelling user account.
420
 *
421
 * @ingroup forms
422
 * @see user_edit_cancel_submit()
423
 */
424
function user_cancel_confirm_form($form, &$form_state, $account) {
425
  global $user;
426

    
427
  $form['_account'] = array('#type' => 'value', '#value' => $account);
428

    
429
  // Display account cancellation method selection, if allowed.
430
  $admin_access = user_access('administer users');
431
  $can_select_method = $admin_access || user_access('select account cancellation method');
432
  $form['user_cancel_method'] = array(
433
    '#type' => 'item',
434
    '#title' => ($account->uid == $user->uid ? t('When cancelling your account') : t('When cancelling the account')),
435
    '#access' => $can_select_method,
436
  );
437
  $form['user_cancel_method'] += user_cancel_methods();
438

    
439
  // Allow user administrators to skip the account cancellation confirmation
440
  // mail (by default), as long as they do not attempt to cancel their own
441
  // account.
442
  $override_access = $admin_access && ($account->uid != $user->uid);
443
  $form['user_cancel_confirm'] = array(
444
    '#type' => 'checkbox',
445
    '#title' => t('Require e-mail confirmation to cancel account.'),
446
    '#default_value' => ($override_access ? FALSE : TRUE),
447
    '#access' => $override_access,
448
    '#description' => t('When enabled, the user must confirm the account cancellation via e-mail.'),
449
  );
450
  // Also allow to send account canceled notification mail, if enabled.
451
  $default_notify = variable_get('user_mail_status_canceled_notify', FALSE);
452
  $form['user_cancel_notify'] = array(
453
    '#type' => 'checkbox',
454
    '#title' => t('Notify user when account is canceled.'),
455
    '#default_value' => ($override_access ? FALSE : $default_notify),
456
    '#access' => $override_access && $default_notify,
457
    '#description' => t('When enabled, the user will receive an e-mail notification after the account has been cancelled.'),
458
  );
459

    
460
  // Prepare confirmation form page title and description.
461
  if ($account->uid == $user->uid) {
462
    $question = t('Are you sure you want to cancel your account?');
463
  }
464
  else {
465
    $question = t('Are you sure you want to cancel the account %name?', array('%name' => $account->name));
466
  }
467
  $description = '';
468
  if ($can_select_method) {
469
    $description = t('Select the method to cancel the account above.');
470
    foreach (element_children($form['user_cancel_method']) as $element) {
471
      unset($form['user_cancel_method'][$element]['#description']);
472
    }
473
  }
474
  else {
475
    // The radio button #description is used as description for the confirmation
476
    // form.
477
    foreach (element_children($form['user_cancel_method']) as $element) {
478
      if ($form['user_cancel_method'][$element]['#default_value'] == $form['user_cancel_method'][$element]['#return_value']) {
479
        $description = $form['user_cancel_method'][$element]['#description'];
480
      }
481
      unset($form['user_cancel_method'][$element]['#description']);
482
    }
483
  }
484

    
485
  // Always provide entity id in the same form key as in the entity edit form.
486
  $form['uid'] = array('#type' => 'value', '#value' => $account->uid);
487
  return confirm_form($form,
488
    $question,
489
    'user/' . $account->uid,
490
    $description . ' ' . t('This action cannot be undone.'),
491
    t('Cancel account'), t('Cancel'));
492
}
493

    
494
/**
495
 * Submit handler for the account cancellation confirm form.
496
 *
497
 * @see user_cancel_confirm_form()
498
 * @see user_multiple_cancel_confirm_submit()
499
 */
500
function user_cancel_confirm_form_submit($form, &$form_state) {
501
  global $user;
502
  $account = $form_state['values']['_account'];
503

    
504
  // Cancel account immediately, if the current user has administrative
505
  // privileges, no confirmation mail shall be sent, and the user does not
506
  // attempt to cancel the own account.
507
  if (user_access('administer users') && empty($form_state['values']['user_cancel_confirm']) && $account->uid != $user->uid) {
508
    user_cancel($form_state['values'], $account->uid, $form_state['values']['user_cancel_method']);
509

    
510
    $form_state['redirect'] = 'admin/people';
511
  }
512
  else {
513
    // Store cancelling method and whether to notify the user in $account for
514
    // user_cancel_confirm().
515
    $edit = array(
516
      'user_cancel_method' => $form_state['values']['user_cancel_method'],
517
      'user_cancel_notify' => $form_state['values']['user_cancel_notify'],
518
    );
519
    $account = user_save($account, $edit);
520
    _user_mail_notify('cancel_confirm', $account);
521
    drupal_set_message(t('A confirmation request to cancel your account has been sent to your e-mail address.'));
522
    watchdog('user', 'Sent account cancellation request to %name %email.', array('%name' => $account->name, '%email' => '<' . $account->mail . '>'), WATCHDOG_NOTICE);
523

    
524
    $form_state['redirect'] = "user/$account->uid";
525
  }
526
}
527

    
528
/**
529
 * Helper function to return available account cancellation methods.
530
 *
531
 * See documentation of hook_user_cancel_methods_alter().
532
 *
533
 * @return
534
 *   An array containing all account cancellation methods as form elements.
535
 *
536
 * @see hook_user_cancel_methods_alter()
537
 * @see user_admin_settings()
538
 * @see user_cancel_confirm_form()
539
 * @see user_multiple_cancel_confirm()
540
 */
541
function user_cancel_methods() {
542
  $methods = array(
543
    'user_cancel_block' => array(
544
      'title' => t('Disable the account and keep its content.'),
545
      'description' => t('Your account will be blocked and you will no longer be able to log in. All of your content will remain attributed to your user name.'),
546
    ),
547
    'user_cancel_block_unpublish' => array(
548
      'title' => t('Disable the account and unpublish its content.'),
549
      'description' => t('Your account will be blocked and you will no longer be able to log in. All of your content will be hidden from everyone but administrators.'),
550
    ),
551
    'user_cancel_reassign' => array(
552
      'title' => t('Delete the account and make its content belong to the %anonymous-name user.', array('%anonymous-name' => variable_get('anonymous', t('Anonymous')))),
553
      'description' => t('Your account will be removed and all account information deleted. All of your content will be assigned to the %anonymous-name user.', array('%anonymous-name' => variable_get('anonymous', t('Anonymous')))),
554
    ),
555
    'user_cancel_delete' => array(
556
      'title' => t('Delete the account and its content.'),
557
      'description' => t('Your account will be removed and all account information deleted. All of your content will also be deleted.'),
558
      'access' => user_access('administer users'),
559
    ),
560
  );
561
  // Allow modules to customize account cancellation methods.
562
  drupal_alter('user_cancel_methods', $methods);
563

    
564
  // Turn all methods into real form elements.
565
  $default_method = variable_get('user_cancel_method', 'user_cancel_block');
566
  foreach ($methods as $name => $method) {
567
    $form[$name] = array(
568
      '#type' => 'radio',
569
      '#title' => $method['title'],
570
      '#description' => (isset($method['description']) ? $method['description'] : NULL),
571
      '#return_value' => $name,
572
      '#default_value' => $default_method,
573
      '#parents' => array('user_cancel_method'),
574
    );
575
  }
576
  return $form;
577
}
578

    
579
/**
580
 * Menu callback; Cancel a user account via e-mail confirmation link.
581
 *
582
 * @see user_cancel_confirm_form()
583
 * @see user_cancel_url()
584
 */
585
function user_cancel_confirm($account, $timestamp = 0, $hashed_pass = '') {
586
  // Time out in seconds until cancel URL expires; 24 hours = 86400 seconds.
587
  $timeout = 86400;
588
  $current = REQUEST_TIME;
589

    
590
  // Basic validation of arguments.
591
  if (isset($account->data['user_cancel_method']) && !empty($timestamp) && !empty($hashed_pass)) {
592
    // Validate expiration and hashed password/login.
593
    if ($timestamp <= $current && $current - $timestamp < $timeout && $account->uid && $timestamp >= $account->login && $hashed_pass == user_pass_rehash($account->pass, $timestamp, $account->login, $account->uid)) {
594
      $edit = array(
595
        'user_cancel_notify' => isset($account->data['user_cancel_notify']) ? $account->data['user_cancel_notify'] : variable_get('user_mail_status_canceled_notify', FALSE),
596
      );
597
      user_cancel($edit, $account->uid, $account->data['user_cancel_method']);
598
      // Since user_cancel() is not invoked via Form API, batch processing needs
599
      // to be invoked manually and should redirect to the front page after
600
      // completion.
601
      batch_process('');
602
    }
603
    else {
604
      drupal_set_message(t('You have tried to use an account cancellation link that has expired. Please request a new one using the form below.'), 'error');
605
      drupal_goto("user/$account->uid/cancel");
606
    }
607
  }
608
  return MENU_ACCESS_DENIED;
609
}
610

    
611
/**
612
 * Page callback: Displays the user page.
613
 *
614
 * Displays user profile if user is logged in, or login form for anonymous
615
 * users.
616
 *
617
 * @return
618
 *   A render array for either a user profile or a login form.
619
 *
620
 * @see user_view_page()
621
 * @see user_login()
622
 */
623
function user_page() {
624
  global $user;
625
  if ($user->uid) {
626
    menu_set_active_item('user/' . $user->uid);
627
    return menu_execute_active_handler(NULL, FALSE);
628
  }
629
  else {
630
    return drupal_get_form('user_login');
631
  }
632
}