user.module 75.7 KB
Newer Older
Dries's avatar
   
Dries committed
1
2
3
<?php
// $Id$

Dries's avatar
Dries committed
4
5
6
7
8
9
/**
 * Invokes hook_user() in every module.
 *
 * We cannot use module_invoke() for this, becuse the arguments need to
 * be passed by reference.
 */
10
function user_module_invoke($type, &$array, &$user, $category = NULL) {
Dries's avatar
   
Dries committed
11
12
  foreach (module_list() as $module) {
    $function = $module .'_user';
13
    if (function_exists($function)) $function($type, $array, $user, $category);
Dries's avatar
   
Dries committed
14
15
16
  }
}

Dries's avatar
   
Dries committed
17
function user_external_load($authname) {
Dries's avatar
   
Dries committed
18
  $result = db_query("SELECT uid FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
19

Dries's avatar
   
Dries committed
20
21
  if ($user = db_fetch_object($result)) {
    return user_load($user);
Dries's avatar
   
Dries committed
22
23
24
25
26
27
  }
  else {
    return 0;
  }
}

Dries's avatar
Dries committed
28
29
30
31
32
33
34
35
36
37
/**
 * Fetch a user object.
 *
 * @param $array
 *   An associative array of attributes to search for in selecting the
 *   user, such as user name or email address.
 *
 * @return
 *   A fully-loaded $user object.
 */
Dries's avatar
   
Dries committed
38
function user_load($array = array()) {
Dries's avatar
Dries committed
39
40
  // Dynamically compose a SQL query:
  $query = '';
Dries's avatar
   
Dries committed
41

Dries's avatar
   
Dries committed
42
  foreach ($array as $key => $value) {
Dries's avatar
   
Dries committed
43
    if ($key == 'pass') {
Kjartan's avatar
Kjartan committed
44
      $query .= "u.$key = '". md5($value) ."' AND ";
45
    }
Dries's avatar
   
Dries committed
46
    else {
47
      $query .= "LOWER(u.$key) = '". strtolower(check_query($value)) ."' AND ";
Dries's avatar
   
Dries committed
48
49
    }
  }
50
  $result = db_query_range("SELECT u.* FROM {users} u WHERE $query u.status < 3", 0, 1);
Dries's avatar
   
Dries committed
51
52

  $user = db_fetch_object($result);
Dries's avatar
   
Dries committed
53
  $user = drupal_unpack($user);
Dries's avatar
Dries committed
54
  user_module_invoke('load', $array, $user);
Dries's avatar
   
Dries committed
55

Dries's avatar
   
Dries committed
56
  $user->roles = array();
Dries's avatar
Dries committed
57
  $result = db_query('SELECT r.rid, r.name FROM {role} r INNER JOIN {users_roles} ur ON ur.rid = r.rid WHERE ur.uid = %d', $user->uid);
Dries's avatar
   
Dries committed
58
59
60
  while ($role = db_fetch_object($result)) {
    $user->roles[$role->rid] = $role->name;
  }
Dries's avatar
   
Dries committed
61
62
63
64

  return $user;
}

65
function user_save($account, $array = array(), $category = 'account') {
Dries's avatar
Dries committed
66
  // Dynamically compose a SQL query:
Kjartan's avatar
Kjartan committed
67
  $user_fields = user_fields();
Dries's avatar
   
Dries committed
68
  if ($account->uid) {
69
    user_module_invoke('update', $array, $account, $category);
Dries's avatar
   
Dries committed
70

Dries's avatar
Dries committed
71
    $data = unserialize(db_result(db_query('SELECT data FROM {users} WHERE uid = %d', $account->uid)));
Dries's avatar
   
Dries committed
72
    foreach ($array as $key => $value) {
Dries's avatar
   
Dries committed
73
      if ($key == 'pass') {
Dries's avatar
   
Dries committed
74
75
        $query .= "$key = '%s', ";
        $v[] = md5($value);
Dries's avatar
   
Dries committed
76
      }
Dries's avatar
Dries committed
77
      else if (substr($key, 0, 4) !== 'auth') {
Kjartan's avatar
Kjartan committed
78
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
79
          // escape '%'s:
Dries's avatar
Dries committed
80
          $value = str_replace('%', '%%', $value);
Dries's avatar
   
Dries committed
81
82
          $query .= "$key = '%s', ";
          $v[] = $value;
Dries's avatar
   
Dries committed
83
84
85
86
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
87
88
      }
    }
Dries's avatar
   
Dries committed
89
90
    $query .= "data = '%s', ";
    $v[] = serialize($data);
Dries's avatar
   
Dries committed
91

Dries's avatar
   
Dries committed
92
    db_query("UPDATE {users} SET $query changed = %d WHERE uid = %d", array_merge($v, array(time(), $account->uid)));
Dries's avatar
   
Dries committed
93

94
    // reload user roles if provided
95
    if (is_array($array['roles'])) {
Dries's avatar
Dries committed
96
      db_query('DELETE FROM {users_roles} WHERE uid = %d', $account->uid);
Dries's avatar
   
Dries committed
97

98
      foreach ($array['roles'] as $rid) {
Dries's avatar
Dries committed
99
        db_query('INSERT INTO {users_roles} (uid, rid) VALUES (%d, %d)', $account->uid, $rid);
100
      }
Dries's avatar
   
Dries committed
101
102
    }

Dries's avatar
   
Dries committed
103
    $user = user_load(array('uid' => $account->uid));
Dries's avatar
   
Dries committed
104
105
  }
  else {
Dries's avatar
   
Dries committed
106
107
    $array['created'] = time();
    $array['changed'] = time();
Dries's avatar
Dries committed
108
    $array['uid'] = db_next_id('{users}_uid');
Dries's avatar
   
Dries committed
109
110

    foreach ($array as $key => $value) {
Dries's avatar
   
Dries committed
111
      if ($key == 'pass') {
Dries's avatar
   
Dries committed
112
        $fields[] = check_query($key);
Dries's avatar
   
Dries committed
113
114
        $values[] = md5($value);
        $s[] = "'%s'";
Dries's avatar
   
Dries committed
115
      }
Dries's avatar
Dries committed
116
      else if (substr($key, 0, 4) !== 'auth') {
Kjartan's avatar
Kjartan committed
117
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
118
          $fields[] = check_query($key);
Dries's avatar
   
Dries committed
119
120
          $values[] = $value;
          $s[] = "'%s'";
Dries's avatar
   
Dries committed
121
122
123
124
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
125
126
127
      }
    }

Dries's avatar
Dries committed
128
    $fields[] = 'data';
Dries's avatar
   
Dries committed
129
130
    $values[] = serialize($data);
    $s[] = "'%s'";
Dries's avatar
   
Dries committed
131

Dries's avatar
Dries committed
132
    db_query('INSERT INTO {users} ('. implode(', ', $fields) .') VALUES ('. implode(', ', $s) .')', $values);
Dries's avatar
   
Dries committed
133

Dries's avatar
Dries committed
134
135
    // Reload user roles (delete just to be safe).
    db_query('DELETE FROM {users_roles} WHERE uid = %d', $array['uid']);
Dries's avatar
   
Dries committed
136

137
    foreach ($array['roles'] as $rid) {
Dries's avatar
Dries committed
138
      db_query('INSERT INTO {users_roles} (uid, rid) VALUES (%d, %d)', $array['uid'], $rid);
Dries's avatar
   
Dries committed
139
140
    }

Dries's avatar
   
Dries committed
141
    $user = user_load(array('name' => $array['name']));
Dries's avatar
   
Dries committed
142

143
    module_invoke_all('user', 'insert', $array, $user, $category);
Dries's avatar
   
Dries committed
144
145
146
  }

  foreach ($array as $key => $value) {
Dries's avatar
   
Dries committed
147
    if (substr($key, 0, 4) == 'auth') {
Dries's avatar
   
Dries committed
148
149
150
151
152
      $authmaps[$key] = $value;
    }
  }

  if ($authmaps) {
Dries's avatar
   
Dries committed
153
    user_set_authmaps($user, $authmaps);
Dries's avatar
   
Dries committed
154
155
156
157
158
  }

  return $user;
}

Dries's avatar
Dries committed
159
160
161
/**
 * Verify the syntax of the given name.
 */
Dries's avatar
   
Dries committed
162
function user_validate_name($name) {
Dries's avatar
Dries committed
163
164
165
166
167
168
169
  if (!$name) return t('You must enter a username.');
  if (substr($name, 0, 1) == ' ') return t('The username cannot begin with a space.');
  if (substr($name, -1) == ' ') return t('The username cannot end with a space.');
  if (ereg('  ', $name)) return t('The username cannot contain multiple spaces in a row.');
  if (ereg('[^ [:alnum:]@_.-]', $name)) return t('The username contains an illegal character.');
  if (ereg('@', $name) && !eregi('@([0-9a-z](-?[0-9a-z])*.)+[a-z]{2}([zmuvtg]|fo|me)?$', $name)) return t('The username is not a valid authentication ID.');
  if (strlen($name) > 56) return t('The username "%name" is too long: it must be less than 56 characters.', array('%name' => $name));
Dries's avatar
   
Dries committed
170
171
172
}

function user_validate_mail($mail) {
Dries's avatar
Dries committed
173
  if (!$mail) return t('You must enter an e-mail address.');
Dries's avatar
   
Dries committed
174
  if ($mail && !valid_email_address($mail)) {
Dries's avatar
Dries committed
175
    return t('The e-mail address "%mail" is not valid.', array('%mail' => $mail));
Dries's avatar
   
Dries committed
176
177
178
  }
}

Dries's avatar
   
Dries committed
179
function user_validate_picture($file, &$edit, $user) {
Dries's avatar
Dries committed
180
  // Initialize the picture:
Dries's avatar
   
Dries committed
181
182
  $edit['picture'] = $user->picture;

Dries's avatar
Dries committed
183
184
185
  // Check that uploaded file is an image, with a maximum file size
  // and maximum height/width.
  $extension = strtolower(strrchr($file->name, '.'));
Dries's avatar
   
Dries committed
186
  $size = getimagesize($file->path);
Dries's avatar
Dries committed
187
  list($maxwidth, $maxheight) = explode('x', variable_get('user_picture_dimensions', '85x85'));
Dries's avatar
   
Dries committed
188

Dries's avatar
Dries committed
189
  if ((!in_array($size[2], array(1, 2, 3))) || (!in_array($extension, array('.gif', '.jpg', '.png', '.jpeg')))) {
Dries's avatar
   
Dries committed
190
    form_set_error('picture', t('The uploaded file was not an image.'));
Dries's avatar
   
Dries committed
191
  }
Dries's avatar
Dries committed
192
  else if ($file->size > (variable_get('user_picture_file_size', '30') * 1000)) {
Dries's avatar
   
Dries committed
193
    form_set_error('picture', t('The uploaded image is too large; the maximum file size is %a kB.', array('%a' => variable_get('user_picture_file_size', '30'))));
Dries's avatar
   
Dries committed
194
195
  }
  else if ($size[0] > $maxwidth || $size[1] > $maxheight) {
Dries's avatar
   
Dries committed
196
    form_set_error('picture', t('The uploaded image is too large; the maximum dimensions are %a pixels.', array('%a' => variable_get('user_picture_dimensions', '85x85'))));
Dries's avatar
   
Dries committed
197
  }
Dries's avatar
Dries committed
198
  else if ($file = file_save_upload('picture', variable_get('user_picture_path', 'pictures') . FILE_SEPARATOR .'picture-'. $user->uid . $extension, 1)) {
Dries's avatar
   
Dries committed
199
200
201
    $edit['picture'] = $file->path;
  }
  else {
Dries's avatar
   
Dries committed
202
    form_set_error('picture', t('Failed to upload the picture image; the "%directory" directory doesn\'t exist.', array('%directory' => variable_get('user_picture_path', 'pictures'))));
Dries's avatar
   
Dries committed
203
204
205
  }
}

206
function user_validate_authmap($account, $authname, $module) {
Dries's avatar
   
Dries committed
207
  $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid != %d AND authname = '%s'", $account->uid, $authname);
Dries's avatar
   
Dries committed
208
  if (db_result($result) > 0) {
Dries's avatar
   
Dries committed
209
    $name = module_invoke($module, 'info', 'name');
Dries's avatar
Dries committed
210
    return t('The %u ID %s is already taken.', array('%u' => ucfirst($name), '%s' => "<i>$authname</i>"));
Dries's avatar
   
Dries committed
211
  }
Dries's avatar
   
Dries committed
212
213
}

Dries's avatar
Dries committed
214
215
216
/**
 * Generate a random alphanumeric password.
 */
Dries's avatar
   
Dries committed
217
218
219
220
221
function user_password($length = 10) {
  // This variable contains the list of allowable characters for the
  // password.  Note that the number 0 and the letter 'O' have been
  // removed to avoid confusion between the two.  The same is true
  // of 'I' and 1.
Dries's avatar
Dries committed
222
223
  $allowable_characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';

Dries's avatar
   
Dries committed
224
225
226
  // We see how many characters are in the allowable list:
  $len = strlen($allowable_characters);

Dries's avatar
Dries committed
227
  // Seed the random number generator with the microtime stamp.
Dries's avatar
   
Dries committed
228
  mt_srand((double)microtime() * 1000000);
Dries's avatar
   
Dries committed
229

Dries's avatar
Dries committed
230
231
  // Declare the password as a blank string.
  $pass = '';
Dries's avatar
   
Dries committed
232

Dries's avatar
Dries committed
233
  // Loop the number of times specified by $length.
Dries's avatar
   
Dries committed
234
235
236
237
238
239
240
241
  for ($i = 0; $i < $length; $i++) {

    // Each iteration, pick a random character from the
    // allowable string and append it to the password:
    $pass .= $allowable_characters[mt_rand(0, $len - 1)];
  }

  return $pass;
Dries's avatar
   
Dries committed
242
243
}

Dries's avatar
Dries committed
244
245
246
247
248
249
250
251
252
253
254
255
256
/**
 * Determine whether the user has a given privilege.
 *
 * @param $string
 *   The permission, such as "administer nodes", being checked for.
 *
 * @return
 *   TRUE iff the current user has the requested permission.
 *
 * All permission checks in Drupal should go through this function. This
 * way, we guarantee consistent behavior, and ensure that the superuser
 * can perform all actions.
 */
Dries's avatar
   
Dries committed
257
258
function user_access($string) {
  global $user;
Dries's avatar
   
Dries committed
259
  static $perm = 0;
Dries's avatar
   
Dries committed
260

Dries's avatar
   
Dries committed
261
  // User #1 has all priveleges:
Dries's avatar
   
Dries committed
262
263
264
265
  if ($user->uid == 1) {
    return 1;
  }

Dries's avatar
Dries committed
266
267
  // To reduce the number of SQL queries, we cache the user's permissions
  // in a static variable.
Dries's avatar
   
Dries committed
268
  if ($perm === 0) {
Dries's avatar
Dries committed
269
    $result = db_query('SELECT DISTINCT p.perm FROM {role} r INNER JOIN {permission} p ON p.rid = r.rid INNER JOIN {users_roles} ur ON ur.rid = r.rid WHERE ur.uid = %d', $user->uid);
Dries's avatar
   
Dries committed
270
271
272
273

    while ($row = db_fetch_object($result)) {
      $perm .= "$row->perm, ";
    }
Dries's avatar
   
Dries committed
274
275
  }

Dries's avatar
   
Dries committed
276
  return strstr($perm, "$string, ");
Dries's avatar
   
Dries committed
277
278
}

Dries's avatar
Dries committed
279
280
281
/**
 * Send an e-mail message.
 */
Dries's avatar
   
Dries committed
282
function user_mail($mail, $subject, $message, $header) {
Dries's avatar
Dries committed
283
284
  if (variable_get('smtp_library', '') && file_exists(variable_get('smtp_library', ''))) {
    include_once variable_get('smtp_library', '');
285
    return user_mail_wrapper($mail, $subject, $message, $header);
Dries's avatar
   
Dries committed
286
287
  }
  else {
288
289
290
291
292
293
294
    /*
    ** Note: if you are having problems with sending mail, or mails look wrong
    ** when they are recieved you may have to modify the str_replace to suit
    ** your systems.
    **  - \r\n will work under dos and windows.
    **  - \n will work for linux, unix and BSDs.
    **  - \r will work for macs.
Dries's avatar
   
Dries committed
295
296
297
298
299
300
301
302
303
304
305
306
    **
    ** According to RFC 2646, it's quite rude to not wrap your e-mails:
    **
    ** "The Text/Plain media type is the lowest common denominator of
    ** Internet email, with lines of no more than 997 characters (by
    ** convention usually no more than 80), and where the CRLF sequence
    ** represents a line break [MIME-IMT]."
    **
    ** CRLF === \r\n
    **
    ** http://www.rfc-editor.org/rfc/rfc2646.txt
    **
307
    */
Dries's avatar
   
Dries committed
308
309
310
    return mail(
      $mail,
      user_mail_encode($subject),
Dries's avatar
Dries committed
311
      str_replace("\r", '', $message),
Dries's avatar
   
Dries committed
312
      "MIME-Version: 1.0\nContent-Type: text/plain; charset=UTF-8; format=flowed\nContent-transfer-encoding: 8Bit\n" . $header
Dries's avatar
   
Dries committed
313
    );
Dries's avatar
   
Dries committed
314
315
316
  }
}

Dries's avatar
Dries committed
317
function user_mail_encode($string, $charset = 'UTF-8') {
Kjartan's avatar
Kjartan committed
318
319
320
321
  /*
  ** Used to encodes mail headers that contain non US- ASCII
  ** characters.
  ** http://www.rfc-editor.org/rfc/rfc2047.txt
Kjartan's avatar
Kjartan committed
322
323
  **
  ** Notes:
324
  **   - Only encode strings that contain non-ASCII characters.
Kjartan's avatar
Kjartan committed
325
326
327
328
329
330
  **   - The chunks come in groupings of 4 bytes when using base64
  **     encoded.
  **   - trim() is used to ensure that no extra spacing is added by
  **     chunk_split() or preg_replace().
  **   - Using \n as the chunk separator may cause problems on some
  **     systems and may have to be changed to \r\n or \r.
Kjartan's avatar
Kjartan committed
331
  */
332
333
334
335
336
337
  if (!preg_match('/^[\x20-\x7E]*$/', $string)) {
    $chunk_size = 75 - 7 - strlen($charset);
    $chunk_size -= $chunk_size % 4;
    $string = trim(chunk_split(base64_encode($string), $chunk_size, "\n"));
    $string = trim(preg_replace('/^(.*)$/m', " =?$charset?B?\\1?=", $string));
  }
Kjartan's avatar
Kjartan committed
338
  return $string;
Dries's avatar
   
Dries committed
339
340
}

Dries's avatar
   
Dries committed
341
function user_deny($type, $mask) {
Dries's avatar
Dries committed
342
343
  $allow = db_fetch_object(db_query("SELECT * FROM {access} WHERE status = 1 AND type = '%s' AND LOWER('%s') LIKE LOWER(mask)", $type, $mask));
  $deny = db_fetch_object(db_query("SELECT * FROM {access} WHERE status = 0 AND type = '%s' AND LOWER('%s') LIKE LOWER(mask)", $type, $mask));
Dries's avatar
   
Dries committed
344

Dries's avatar
   
Dries committed
345
  return $deny && !$allow;
Dries's avatar
   
Dries committed
346
347
}

Dries's avatar
   
Dries committed
348
349
function user_fields() {
  static $fields;
Dries's avatar
   
Dries committed
350

Dries's avatar
   
Dries committed
351
  if (!$fields) {
Dries's avatar
Dries committed
352
    $result = db_query('SELECT * FROM {users} WHERE uid = 1');
Kjartan's avatar
Kjartan committed
353
354
355
    if (db_num_rows($result)) {
      $fields = array_keys(db_fetch_array($result));
    }
Dries's avatar
   
Dries committed
356
357
    else {
      // Make sure we return the default fields at least
Dries's avatar
   
Dries committed
358
      $fields = array('uid', 'name', 'pass', 'mail', 'picture', 'mode', 'sort', 'threshold', 'theme', 'signature', 'created', 'changed', 'status', 'timezone', 'language', 'init', 'data');
Dries's avatar
   
Dries committed
359
    }
Dries's avatar
   
Dries committed
360
  }
Dries's avatar
   
Dries committed
361

Dries's avatar
   
Dries committed
362
  return $fields;
Dries's avatar
   
Dries committed
363
364
}

Dries's avatar
Dries committed
365
366
367
/**
 * Implementation of hook_perm().
 */
Dries's avatar
   
Dries committed
368
function user_perm() {
369
  return array('administer users');
Dries's avatar
   
Dries committed
370
371
}

Dries's avatar
Dries committed
372
373
374
375
376
/**
 * Implementation of hook_file_download().
 *
 * Ensure that user pictures (avatars) are always downloadable.
 */
Dries's avatar
   
Dries committed
377
function user_file_download($file) {
Dries's avatar
Dries committed
378
  if (strpos($file, variable_get('user_picture_path', 'pictures') . FILE_SEPARATOR . 'picture-') === 0) {
Dries's avatar
   
Dries committed
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
    list($width, $height, $type, $attr) = getimagesize(file_create_path($file));
    $types = array(
      IMAGETYPE_GIF => 'image/gif',
      IMAGETYPE_JPEG => 'image/jpeg',
      IMAGETYPE_PNG => 'image/png',
      IMAGETYPE_SWF => 'application/x-shockwave-flash',
      IMAGETYPE_PSD => 'image/psd',
      IMAGETYPE_BMP => 'image/bmp',
      IMAGETYPE_TIFF_II => 'image/tiff',
      IMAGETYPE_TIFF_MM  => 'image/tiff',
      IMAGETYPE_JPC => 'application/octet-stream',
      IMAGETYPE_JP2 => 'image/jp2',
      IMAGETYPE_JPX => 'application/octet-stream',
      IMAGETYPE_JB2 => 'application/octet-stream',
      IMAGETYPE_SWC => 'application/x-shockwave-flash',
      IMAGETYPE_IFF => 'image/iff',
      IMAGETYPE_WBMP => 'image/vnd.wap.wbmp',
      IMAGETYPE_XBM => 'image/xbm'
    );
    return array('Content-type: '. $types[$type]);
  }
}

Dries's avatar
Dries committed
402
403
404
/**
 * Implementation of hook_search().
 */
Dries's avatar
   
Dries committed
405
function user_search($keys) {
Dries's avatar
   
Dries committed
406
  $find = array();
407

Dries's avatar
Dries committed
408
409
  // Replace wildcards with MySQL/PostgreSQL wildcards.
  $keys = str_replace('*', '%', $keys);
410

411
  $result = db_query_range("SELECT * FROM {users} WHERE LOWER(name) LIKE '%%%s%%'", strtolower($keys), 0, 20);
Dries's avatar
   
Dries committed
412
  while ($account = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
413
    $find[] = array('title' => $account->name, 'link' => url("user/$account->uid/view"), 'user' => $account->name);
Dries's avatar
   
Dries committed
414
  }
Dries's avatar
Dries committed
415
  return array(t('Matching users'), $find);
Dries's avatar
   
Dries committed
416
417
}

Dries's avatar
Dries committed
418
419
420
/**
 * Implementation of hook_user().
 */
421
function user_user($type, &$edit, &$user, $category = NULL) {
Dries's avatar
Dries committed
422
  if ($type == 'view') {
Dries's avatar
Dries committed
423
    return array(t('History') => form_item(t('Member for'), format_interval(time() - $user->created)));
Dries's avatar
Dries committed
424
  }
425
426
427
428
429
430
431
432
433
434
435
436

  if ($type == 'form' && $category == 'account') {
    return user_edit_form(arg(1), $edit);
  }

  if ($type == 'validate' && $category == 'account') {
    return user_edit_validate(arg(1), $edit);
  }

  if ($type == 'categories') {
    return array(array('name' => 'account', 'title' => t('account settings'), 'weight' => 1));
  }
Dries's avatar
Dries committed
437
438
}

Dries's avatar
Dries committed
439
440
441
442
/**
 * Implementation of hook_block().
 */
function user_block($op = 'list', $delta = 0) {
Dries's avatar
   
Dries committed
443
444
  global $user;

Dries's avatar
Dries committed
445
446
447
448
449
  if ($op == 'list') {
     $blocks[0]['info'] = t('User login');
     $blocks[1]['info'] = t('Navigation');
     $blocks[2]['info'] = t('Who\'s new');
     $blocks[3]['info'] = t('Who\'s online');
450

451
     return $blocks;
452
453
  }
  else {
Dries's avatar
   
Dries committed
454
455
    $block = array();

Dries's avatar
   
Dries committed
456
457
    switch ($delta) {
      case 0:
Dries's avatar
   
Dries committed
458

459
        if (!$user->uid) {
Dries's avatar
Dries committed
460
461
          // For usability's sake, avoid showing two login forms on one page.
          if (arg(0) == 'user' && arg(1) != 'view') {
Dries's avatar
   
Dries committed
462
463
464
            return;
          }

Dries's avatar
Dries committed
465
          $edit = $_POST['edit'];
Dries's avatar
   
Dries committed
466

Dries's avatar
   
Dries committed
467
468
          $output = "<div class=\"user-login-block\">\n";

Dries's avatar
Dries committed
469
470
          // Save the referer.  We record where the user came from such
          // that we can redirect him after having completed the login form.
Dries's avatar
Dries committed
471

472
          if (empty($edit)) {
Dries's avatar
Dries committed
473
            $edit['destination'] = $_GET['q'];
474
          }
Dries's avatar
Dries committed
475
476
477
478
479
480
481
482
          // NOTE: special care needs to be taken because on pages with forms,
          // such as node and comment submission pages, the $edit variable
          // might already be set.

          $output .= form_hidden('destination', $edit['destination']);
          $output .= form_textfield(t('Username'), 'name', $edit['name'], 15, 64);
          $output .= form_password(t('Password'), 'pass', $pass, 15, 64);
          $output .= form_submit(t('Log in'));
Dries's avatar
   
Dries committed
483
          $output .= "</div>\n";
Dries's avatar
   
Dries committed
484

Dries's avatar
Dries committed
485
          $output  = form($output, 'post', url('user/login'));
Dries's avatar
   
Dries committed
486

Dries's avatar
Dries committed
487
488
          if (variable_get('user_register', 1)) {
            $items[] = l(t('Create new account'), 'user/register', array('title' => t('Create a new user account.')));
Dries's avatar
   
Dries committed
489
          }
Dries's avatar
Dries committed
490
          $items[] = l(t('Request new password'), 'user/password', array('title' => t('Request new password via e-mail.')));
Dries's avatar
   
Dries committed
491

Dries's avatar
Dries committed
492
          $output .= theme('item_list', $items);
493

Dries's avatar
Dries committed
494
495
          $block['subject'] = t('User login');
          $block['content'] = $output;
Dries's avatar
   
Dries committed
496
        }
Dries's avatar
Dries committed
497
        return $block;
498
      case 1:
Dries's avatar
   
Dries committed
499
        if ($menu = theme('menu_tree')) {
Dries's avatar
Dries committed
500
501
           $block['subject'] = $user->uid ? $user->name : t('Navigation');
           $block['content'] = '<div class="menu">'. $menu .'</div>';
Dries's avatar
   
Dries committed
502
        }
503
        return $block;
Dries's avatar
   
Dries committed
504
      case 2:
Dries's avatar
Dries committed
505
506
        if (user_access('access content')) {
          $result = db_query_range('SELECT uid, name FROM {users} WHERE status != 0 ORDER BY uid DESC', 0, 5);
507
          while ($account = db_fetch_object($result)) {
508
            $items[] = format_name($account);
509
          }
Dries's avatar
   
Dries committed
510

Dries's avatar
Dries committed
511
          $output = theme('user_list', $items);
Dries's avatar
   
Dries committed
512

Dries's avatar
Dries committed
513
514
          $block['subject'] = t('Who\'s new');
          $block['content'] = $output;
515
516
          return $block;
        }
Dries's avatar
   
Dries committed
517
      case 3:
Dries's avatar
Dries committed
518
519
520
        if (user_access('access content')) {
          // Count users with activity in the past defined period.
          $time_period = variable_get('user_block_seconds_online', 2700);
Dries's avatar
   
Dries committed
521

Dries's avatar
Dries committed
522
523
524
          // Perform database queries to gather online user lists.
          $guests = db_fetch_object(db_query('SELECT COUNT(DISTINCT sid) AS count FROM {sessions} WHERE timestamp >= %d AND uid = 0', time() - $time_period));
          $users = db_query('SELECT DISTINCT uid, MAX(timestamp) AS max_timestamp FROM {sessions} WHERE timestamp >= %d AND uid != 0 GROUP BY uid ORDER BY max_timestamp DESC', time() - $time_period );
Dries's avatar
   
Dries committed
525
          $total_users = db_num_rows($users);
Dries's avatar
   
Dries committed
526

Dries's avatar
Dries committed
527
          // Format the output with proper grammar.
Dries's avatar
   
Dries committed
528
          if ($total_users == 1 && $guests->count == 1) {
Dries's avatar
Dries committed
529
            $output = t('There is currently %members and %visitors online.', array('%members' => format_plural($total_users, '1 user', '%count users'), '%visitors' => format_plural($guests->count, '1 guest', '%count guests')));
Dries's avatar
   
Dries committed
530
531
          }
          else {
Dries's avatar
Dries committed
532
            $output = t('There are currently %members and %visitors online.', array('%members' => format_plural($total_users, '1 user', '%count users'), '%visitors' => format_plural($guests->count, '1 guest', '%count guests')));
Dries's avatar
   
Dries committed
533
534
          }

535
536
537
538
          // Display a list of currently online users.
          $max_users = variable_get('user_block_max_list_count', 10);
          if ($max_users) {
            $items = array();
Dries's avatar
   
Dries committed
539

540
541
542
            while ($max_users-- && $uid = db_fetch_object($users)) {
              $items[] = format_name(user_load(array('uid' => $uid->uid)));
            }
Dries's avatar
   
Dries committed
543

544
545
546
            if ($items) {
              if (db_fetch_object($users)) {
                $items[] = '...';
Dries's avatar
   
Dries committed
547
              }
548
              $output .= theme('item_list', $items, t('Online users:'));
Dries's avatar
   
Dries committed
549
            }
Dries's avatar
   
Dries committed
550
          }
551

Dries's avatar
Dries committed
552
553
          $block['subject'] = t('Who\'s online');
          $block['content'] = $output;
Dries's avatar
   
Dries committed
554
        }
Dries's avatar
   
Dries committed
555
        return $block;
Dries's avatar
   
Dries committed
556
557
    }
  }
558
559
}

Dries's avatar
   
Dries committed
560
561
562
563
564
565
566
567
568
569
function theme_user_picture($account) {
  if (variable_get('user_pictures', 0)) {
    if ($account->picture && file_exists($account->picture)) {
      $picture = file_create_url($account->picture);
    }
    else if (variable_get('user_picture_default', '')) {
      $picture = variable_get('user_picture_default', '');
    }

    if ($picture) {
Dries's avatar
Dries committed
570
      $picture = "<img src=\"$picture\" alt=\"" . t('%user\'s picture', array('%user' => $account->name ? $account->name : t(variable_get('anonymous', 'Anonymous')))) . '" />';
Dries's avatar
   
Dries committed
571
      if ($account->uid) {
572
        $picture = l($picture, "user/$account->uid", array('title' => t('View user profile.')));
Dries's avatar
   
Dries committed
573
574
575
576
577
578
579
      }

      return "<div class=\"picture\">$picture</div>";
    }
  }
}

Dries's avatar
Dries committed
580
function theme_user_profile($account, $fields) {
Dries's avatar
   
Dries committed
581
582
  $output = "<div class=\"profile\">\n";
  $output .= theme('user_picture', $account);
Dries's avatar
Dries committed
583
584
585
  foreach ($fields as $category => $value) {
    $output .= "<h2>$category</h2>$value";
  }
Dries's avatar
   
Dries committed
586
587
588
589
590
  $output .= "</div>\n";

  return $output;
}

Dries's avatar
   
Dries committed
591
function theme_user_list($items, $title = NULL) {
Dries's avatar
Dries committed
592
  return theme('item_list', $items, $title);
Dries's avatar
   
Dries committed
593
594
}

Dries's avatar
   
Dries committed
595
/**
Dries's avatar
   
Dries committed
596
 * Implementation of hook_menu().
Dries's avatar
   
Dries committed
597
 */
Dries's avatar
   
Dries committed
598
function user_menu() {
Dries's avatar
   
Dries committed
599
  global $user;
Dries's avatar
   
Dries committed
600

Dries's avatar
   
Dries committed
601
  $items = array();
Dries's avatar
   
Dries committed
602

Dries's avatar
   
Dries committed
603
604
605
606
607
608
  $access = user_access('administer users');

  if (arg(0) == 'user' && is_numeric(arg(1))) {
    $items[] = array('path' => 'user/'. arg(1), 'title' => t('user'),
      'callback' => 'user_page', 'access' => TRUE);
    $items[] = array('path' => 'user/'. arg(1) .'/edit', 'title' => t('edit'),
609
      'callback' => 'user_edit', 'access' => $access || $user->uid == arg(1),
Dries's avatar
   
Dries committed
610
      'type' => MENU_LOCAL_TASK);
611
612
613
614
615
616
617
618
619
620

    if (arg(2) == 'edit') {
      if (($categories = _user_categories()) && (count($categories) > 1)) {
        foreach ($categories as $key => $category) {
          $items[] = array('path' => 'user/'. arg(1) .'/edit/'. $category['name'], 'title' => $category['title'],
              'callback' => $function, 'access' => $access || $user->uid == arg(1),
              'type' => MENU_LOCAL_SUBTASK, 'weight' => $category['weight']);
        }
      }
    }
Dries's avatar
   
Dries committed
621
  }
Dries's avatar
   
Dries committed
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639

  if ($user->uid) {
    $items[] = array('path' => "user/$user->uid", 'title' => t('my account'),
      'callback' => 'user_page', 'access' => TRUE);
    $items[] = array('path' => 'logout', 'title' => t('log out'),
      'access' => TRUE,
      'callback' => 'user_logout',
      'weight' => 10);
  }
  else {
    $items[] = array('path' => 'logout', 'title' => t('log out'),
      'callback' => 'user_logout', 'access' => FALSE);
  }

  $items[] = array('path' => 'user', 'title' => t('user'),
    'callback' => 'user_page', 'access' => TRUE,
    'type' => MENU_CALLBACK);
  $items[] = array('path' => 'user/login', 'title' => t('log in'),
Dries's avatar
   
Dries committed
640
641
642
643
644
    'callback' => 'user_page', 'access' => TRUE, 'type' => MENU_CALLBACK);
  $items[] = array('path' => 'user/register', 'title' => t('register'),
    'callback' => 'user_page', 'access' => TRUE, 'type' => MENU_CALLBACK);
  $items[] = array('path' => 'user/password', 'title' => t('request new password'),
    'callback' => 'user_page', 'access' => TRUE, 'type' => MENU_CALLBACK);
Dries's avatar
   
Dries committed
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682

  $items[] = array('path' => 'admin/user', 'title' => t('users'),
    'callback' => 'user_admin', 'access' => $access);

  // Tabs:
  $items[] = array('path' => 'admin/user/create', 'title' => t('add user'),
    'callback' => 'user_admin', 'access' => $access,
    'type' => MENU_LOCAL_TASK);
  $items[] = array('path' => 'admin/user/configure', 'title' => t('configure'),
    'callback' => 'user_configure', 'access' => $access,
    'type' => MENU_LOCAL_TASK);
  if (module_exist('search')) {
    $items[] = array('path' => 'admin/user/search', 'title' => t('search'),
      'callback' => 'user_admin', 'access' => $access,
      'type' => MENU_LOCAL_TASK);
  }

  // Sub-tabs:
  $items[] = array('path' => 'admin/user/configure/settings', 'title' => t('settings'),
    'callback' => 'user_configure', 'access' => $access,
    'type' => MENU_LOCAL_SUBTASK);
  $items[] = array('path' => 'admin/user/configure/access', 'title' => t('access rules'),
    'callback' => 'user_configure', 'access' => $access,
    'type' => MENU_LOCAL_SUBTASK);
  $items[] = array('path' => 'admin/user/configure/access/mail', 'title' => t('e-mail rules'),
    'callback' => 'user_configure', 'access' => $access,
    'type' => MENU_LOCAL_SUBTASK);
  $items[] = array('path' => 'admin/user/configure/access/user', 'title' => t('name rules'),
    'callback' => 'user_configure', 'access' => $access,
    'type' => MENU_LOCAL_SUBTASK);
  $items[] = array('path' => 'admin/user/configure/role', 'title' => t('roles'),
    'callback' => 'user_configure', 'access' => $access,
    'type' => MENU_LOCAL_SUBTASK);
  $items[] = array('path' => 'admin/user/configure/permission', 'title' => t('permissions'),
    'callback' => 'user_configure', 'access' => $access,
    'type' => MENU_LOCAL_SUBTASK);

  return $items;
Dries's avatar
   
Dries committed
683
684
}

Dries's avatar
Dries committed
685
686
687
/**
 * Called by authentication modules in order to edit/view their authmap information.
 */
688
function user_get_authname($account, $module) {
Dries's avatar
   
Dries committed
689
  $result = db_query("SELECT authname FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module);
690
691
692
  return db_result($result);
}

Dries's avatar
Dries committed
693
694
695
696
/**
 * Accepts an user object, $account, or a DA name and returns an associative
 * array of modules and DA names. Called at external login.
 */
697
function user_get_authmaps($authname = NULL) {
Dries's avatar
   
Dries committed
698
  $result = db_query("SELECT authname, module FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
699
700
701
702
703
704
705
706
707
708
709
710
711
  if (db_num_rows($result) > 0) {
    while ($authmap = db_fetch_object($result)) {
      $authmaps[$authmap->module] = $authmap->authname;
    }
    return $authmaps;
  }
  else {
    return 0;
  }
}

function user_set_authmaps($account, $authmaps) {
  foreach ($authmaps as $key => $value) {
Dries's avatar
Dries committed
712
    $module = explode('_', $key, 2);
Dries's avatar
   
Dries committed
713
    if ($value) {
Dries's avatar
Dries committed
714
      db_query("UPDATE {authmap} SET authname = '%s' WHERE uid = %d AND module = '%s'", $value, $account->uid, $module['1']);
Dries's avatar
   
Dries committed
715
716
      if (!db_affected_rows()) {
        db_query("INSERT INTO {authmap} (authname, uid, module) VALUES ('%s', %d, '%s')", $value, $account->uid, $module[1]);
Dries's avatar
   
Dries committed
717
718
719
      }
    }
    else {
Dries's avatar
Dries committed
720
      db_query("DELETE FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module['1']);
Dries's avatar
   
Dries committed
721
722
723
724
725
    }
  }
}

function user_auth_help_links() {
726
  $links = array();
Dries's avatar
   
Dries committed
727
  foreach (module_list() as $module) {
Dries's avatar
Dries committed
728
    if (module_hook($module, 'auth')) {
Dries's avatar
   
Dries committed
729
      $links[] = l(module_invoke($module, 'info', 'name'), "user/help#$module");
Dries's avatar
   
Dries committed
730
731
732
733
734
735
736
    }
  }
  return $links;
}

/*** User features *********************************************************/

Dries's avatar
Dries committed
737
function user_login($edit = array(), $msg = '') {
Dries's avatar
   
Dries committed
738
  global $user, $base_url;
Dries's avatar
   
Dries committed
739

Dries's avatar
Dries committed
740
  // If we are already logged on, go to the user page instead.
Dries's avatar
   
Dries committed
741
  if ($user->uid) {
Dries's avatar
Dries committed
742
    drupal_goto('user');
Dries's avatar
   
Dries committed
743
744
  }

Dries's avatar
   
Dries committed
745
  if (user_deny('user', $edit['name'])) {
Dries's avatar
Dries committed
746
    $error = t('The name "%s" has been denied access.', array('%s' => $edit['name']));
Dries's avatar
   
Dries committed
747
  }
Dries's avatar
   
Dries committed
748
  else if ($edit['name'] && $edit['pass']) {
Dries's avatar
   
Dries committed
749

Dries's avatar
Dries committed
750
    // Try to log in the user locally:
Dries's avatar
   
Dries committed
751
    if (!$user->uid) {
Dries's avatar
   
Dries committed
752
753
      $name = $edit['name'];
      $pass = $edit['pass'];
Dries's avatar
Dries committed
754
      $user = user_load(array('name' => $name, 'pass' => $pass, 'status' => 1));
Dries's avatar
   
Dries committed
755
756
    }

Dries's avatar
Dries committed
757
758
    // Strip name and server from ID:
    if ($server = strrchr($edit['name'], '@')) {
Dries's avatar
   
Dries committed
759
      $name = substr($edit['name'], 0, strlen($edit['name']) - strlen($server));
760
      $server = substr($server, 1);
Dries's avatar
   
Dries committed
761
      $pass = $edit['pass'];
Dries's avatar
   
Dries committed
762
    }
Dries's avatar
   
Dries committed
763

Dries's avatar
Dries committed
764
765
    // When possible, determine corresponding external auth source. Invoke
    // source, and log in user if successful:
Dries's avatar
   
Dries committed
766
    if (!$user->uid && $server && $result = user_get_authmaps("$name@$server")) {
Dries's avatar
Dries committed
767
      if (module_invoke(key($result), 'auth', $name, $pass, $server)) {
Dries's avatar
   
Dries committed
768
        $user = user_external_load("$name@$server");
Dries's avatar
   
Dries committed
769
        watchdog('user', "external load: $name@$server, module: ". key($result));
Dries's avatar
   
Dries committed
770
771
      }
      else {
Dries's avatar
Dries committed
772
        $error = t('Invalid password for %s.', array('%s' => "<i>$name@$server</i>"));
Dries's avatar
   
Dries committed
773
774
775
      }
    }

Dries's avatar
Dries committed
776
777
    // Try each external authentication source in series. Register user if
    // successful.
Dries's avatar
   
Dries committed
778
    else if (!$user->uid && $server) {
Dries's avatar
   
Dries committed
779
      foreach (module_list() as $module) {
Dries's avatar
Dries committed
780
781
782
        if (module_hook($module, 'auth')) {
          if (module_invoke($module, 'auth', $name, $pass, $server)) {
            if (variable_get('user_register', 1) == 1 && !user_load(array('name' => "$name@$server"))) { // Register this new user.
783
              $user = user_save('', array('name' => "$name@$server", 'pass' => user_password(), 'init' => "$name@$server", 'status' => 1, "authname_$module" => "$name@$server", 'roles' => array(_user_authenticated_id())));
Dries's avatar
   
Dries committed
784
              watchdog('user', "new user: $name@$server ($module ID)", l(t('edit user'), "user/$user->uid/edit"));
Dries's avatar
   
Dries committed
785
786
787
788
789
790
791
792
              break;
            }
          }
        }
      }
    }

    if ($user->uid) {
Dries's avatar
Dries committed
793
      watchdog('user', 'session opened for "'. $user->name .'"');
Dries's avatar
   
Dries committed
794

Dries's avatar
Dries committed
795
      // Update the user table timestamp noting user has logged in.
Dries's avatar
   
Dries committed
796
      db_query("UPDATE {users} SET changed = '%d' WHERE uid = '%s'", time(), $user->uid);
Dries's avatar
   
Dries committed
797

Dries's avatar
Dries committed
798
      user_module_invoke('login', $edit, $user);
Dries's avatar
   
Dries committed
799

Dries's avatar
Dries committed
800
801
      // If the user wants to be remembered, set the proper cookie such
      // that the session won't expire.
Dries's avatar
   
Dries committed
802
      $path = preg_replace("/.+\/\/[^\/]+(.*)/", "\$1/", $base_url);
Dries's avatar
   
Dries committed
803
      setcookie(session_name(), session_id(), FALSE, $path);
Dries's avatar
   
Dries committed
804

Dries's avatar
Dries committed
805
806
      // Redirect the user to the page he logged on from.
      drupal_goto($edit['destination']);
Dries's avatar
   
Dries committed
807
808
809
    }
    else {
      if (!$error) {
Dries's avatar
Dries committed
810
        $error = t('Sorry.  Unrecognized username or password.') .' '. l(t('Have you forgotten your password?'), 'user/password');
Dries's avatar
   
Dries committed
811
812
      }
      if ($server) {
Dries's avatar
   
Dries committed
813
        watchdog('user', "failed login for '$name@$server': $error");
Dries's avatar
   
Dries committed
814
815
      }
      else {
Dries's avatar
   
Dries committed
816
        watchdog('user', "failed login for '$name': $error");
Dries's avatar
   
Dries committed
817
818
819
820
      }
    }
  }

Dries's avatar
Dries committed
821
  // Display error message (if any):
Dries's avatar
   
Dries committed
822
  if ($error) {
Dries's avatar
   
Dries committed
823
    drupal_set_message($error, 'error');
Dries's avatar
   
Dries committed
824
825
  }

Dries's avatar
Dries committed
826
827
  // Save the referrer.  We record where the user came from such that we
  // can redirect him after having completed the login form.
828
  if (empty($edit)) {
Dries's avatar
Dries committed
829
    $edit['destination'] = $_GET['q'];
Dries's avatar
   
Dries committed
830
  }
Dries's avatar
Dries committed
831
  $output .= form_hidden('destination', $edit['destination']);
Dries's avatar
   
Dries committed
832

Dries's avatar
Dries committed
833
  // Display login form:
Dries's avatar
   
Dries committed
834
835
836
  if ($msg) {
    $output .= "<p>$msg</p>";
  }
Dries's avatar
   
Dries committed
837
  if (count(user_auth_help_links()) > 0) {
Dries's avatar
Dries committed
838
    $output .= form_textfield(t('Username'), 'name', $edit['name'], 30, 64, t('Enter your %s username, or an ID from one of our affiliates: %a.', array('%s' => variable_get('site_name', 'local'), '%a' => implode(', ', user_auth_help_links()))));
Dries's avatar
   
Dries committed
839
840
  }
  else {
Dries's avatar
Dries committed
841
    $output .= form_textfield(t('Username'), 'name', $edit['name'], 30, 64, t('Enter your %s username.', array('%s' => variable_get('site_name', 'local'))));
Dries's avatar
   
Dries committed
842
  }
Dries's avatar
Dries committed
843
844
845
846
847
  $output .= form_password(t('Password'), 'pass', $pass, 30, 64, t('Enter the password that accompanies your username.'));
  $output .= form_submit(t('Log in'));
  $items[] = l(t('Request new password'), 'user/password');
  if (variable_get('user_register', 1)) {
    $items[] = l(t('Create new account'), 'user/register');
848
  }
Dries's avatar
Dries committed
849
  $output .= theme('item_list', $items);
Dries's avatar
   
Dries committed
850

Dries's avatar
   
Dries committed
851
852
  $output  = form_group(t('User login'), $output);

Dries's avatar
Dries committed
853
  return form($output, 'post', url('user/login'));
Dries's avatar
   
Dries committed
854
855
}

856
function _user_authenticated_id() {
Dries's avatar
   
Dries committed
857
  return db_result(db_query("SELECT rid FROM {role} WHERE name = 'authenticated user'"));
858
859
}

Dries's avatar
Dries committed
860
861
862
/**
 * Menu callback; logs the current user out, and redirects to the home page.
 */
Dries's avatar
   
Dries committed
863
864
865
866
function user_logout() {
  global $user;

  if ($user->uid) {
Dries's avatar
Dries committed
867
    watchdog('user', 'session closed for "'. $user->name .'"');
Dries's avatar
   
Dries committed
868

Dries's avatar
Dries committed
869
    // Destroy the current session:
Dries's avatar
   
Dries committed
870
    session_destroy();
Dries's avatar
   
Dries committed
871
    module_invoke_all('user', 'logout', NULL, $user);
Dries's avatar
   
Dries committed
872
873
874
    unset($user);
  }

Dries's avatar
Dries committed
875
  drupal_goto();
Dries's avatar
   
Dries committed
876
877
878
}

function user_pass($edit = array()) {
Dries's avatar
   
Dries committed
879
880
  global $base_url;

Dries's avatar
   
Dries committed
881
  if ($edit['name']) {
882
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE status = 1 AND LOWER(name) = '%s'", strtolower($edit['name'])));
Dries's avatar
   
Dries committed
883
    if (!$account) form_set_error('name', t('Sorry. The username "<i>%s</i>" is not recognized.', array('%s' => $edit['name'])));
884
  }
Dries's avatar
   
Dries committed
885
  else if ($edit['mail']) {
886
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE status = 1 AND LOWER(mail) = '%s'", strtolower($edit['mail'])));
Dries's avatar
   
Dries committed
887
    if (!$account) form_set_error('name', t('Sorry. The e-mail address "<i>%s</i>" is not recognized.', array('%s' => $edit['mail'])));
Kjartan's avatar
Kjartan committed
888
889
  }
  if ($account) {
Dries's avatar
   
Dries committed
890

Dries's avatar
Dries committed
891
      $from = variable_get('site_mail', ini_get('sendmail_from'));
Dries's avatar
   
Dries committed
892
893
      $pass = user_password();

Dries's avatar
Dries committed
894
      // Save new password:
Dries's avatar
   
Dries committed
895
      user_save($account, array('pass' => $pass));
Dries's avatar
   
Dries committed
896

Dries's avatar
Dries committed
897
898
899
900
      // Mail new password:
      $variables = array('%username' => $account->name, '%site' => variable_get('site_name', 'drupal'), '%password' => $pass, '%uri' => $base_url, '%uri_brief' => substr($base_url, strlen('http://')), '%mailto' => $account->mail, '%date' => format_date(time()), '%login_uri' => url('user/login', NULL, NULL, TRUE), '%edit_uri' => url('user/edit', NULL, NULL, TRUE));
      $subject = _user_mail_text('pass_subject', $variables);
      $body = _user_mail_text('pass_body', $variables);
901
      $headers = "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from";
Dries's avatar
   
Dries committed
902
      $mail_success = user_mail($account->mail, $subject, $body, $headers);
Dries's avatar
   
Dries committed
903

Dries's avatar
   
Dries committed
904
      if ($mail_success) {
Dries's avatar
Dries committed
905
906
        watchdog('user', 'mail password: "'. $account->name .'" &lt;'. $account->mail .'&gt;');
        return t('Your password and further instructions have been sent to your e-mail address.');
Dries's avatar
   
Dries committed
907
908
      }
      else {
Dries's avatar
Dries committed
909
910
        watchdog('error', 'error mailing new password: "'. $account->name .'" &lt;'. $account->mail .'&gt;');
        return t('Unable to send mail. Please contact the site admin.');
Dries's avatar
   
Dries committed
911
      }
Dries's avatar
   
Dries committed
912
913
    }
    else {