user.module 85.5 KB
Newer Older
Dries's avatar
   
Dries committed
1
2
3
4
5
6
<?php
// $Id$

session_set_save_handler("sess_open", "sess_close", "sess_read", "sess_write", "sess_destroy", "sess_gc");
session_start();

7
function user_system($field){
Kjartan's avatar
Kjartan committed
8
  $system["description"] = t("Enables the user registration and login system.");
Dries's avatar
   
Dries committed
9
  $system["admin_help"] = t("In order to use the full power of Drupal a visitor must sign up for an account. This page lets you setup how a user signs up, logs out, the guidelines from the system about user subscriptions, and the e-mails the system will send to the user.");
10
11
12
  return $system[$field];
}

Dries's avatar
   
Dries committed
13
14
15
16
17
18
19
20
21
22
23
24
/*** Session functions *****************************************************/

function sess_open($save_path, $session_name) {
  return 1;
}

function sess_close() {
  return 1;
}

function sess_read($key) {
  global $user;
Dries's avatar
   
Dries committed
25
26
27

  $result = db_query_range("SELECT u.*, s.*, r.name AS role FROM {users} u INNER JOIN {role} r ON u.rid = r.rid INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.sid = '". check_query($key) ."' AND u.status < 3", 0, 1);
  $user = db_fetch_object($result);
Dries's avatar
   
Dries committed
28
29
30
31
32
33
34
  if ($user->data && $data = unserialize($user->data)) {
    foreach ($data as $key => $value) {
      if (!isset($user->$key)) {
        $user->$key = $value;
      }
    }
  }
Dries's avatar
   
Dries committed
35

36
  return !empty($user->session) ? $user->session : '';
Dries's avatar
   
Dries committed
37
38
39
}

function sess_write($key, $value) {
Dries's avatar
   
Dries committed
40
41
42
  global $user;

  db_query("UPDATE {sessions} SET uid = %d, hostname = '%s', session = '%s', timestamp = %d WHERE sid = '$key'", $user->uid, $_SERVER["REMOTE_ADDR"], $value, time());
Dries's avatar
   
Dries committed
43

Dries's avatar
   
Dries committed
44
45
46
  if (!db_affected_rows()) {
    db_query("INSERT INTO {sessions} (uid, sid, hostname, session, timestamp) values(%d, '%s', '%s', '%s', %d)", $user->uid, $key, $_SERVER["REMOTE_ADDR"], $value, time());
  }
Dries's avatar
   
Dries committed
47

Dries's avatar
   
Dries committed
48
49
50
51
52
  return '';
}

function sess_destroy($key) {

Dries's avatar
   
Dries committed
53
54
  db_query("DELETE FROM {sessions} WHERE sid = '$key'");

Dries's avatar
   
Dries committed
55
56
57
}

function sess_gc($lifetime) {
Dries's avatar
   
Dries committed
58
59
60
61
62
63
64
65
66
67

  /*
  **  Be sure to adjust 'php_value session.gc_maxlifetime' to a large enough
  **   value.  For example, if you want user sessions to stay in your database
  **   for three weeks before deleting them, you need to set gc_maxlifetime
  **   to '1814400'.  At that value, only after a user doesn't log in after
  **   three weeks (1814400 seconds) will his/her session be removed.
  */
  db_query("DELETE FROM {sessions} WHERE timestamp < %d", time() - $lifetime);

Dries's avatar
   
Dries committed
68
  return 1;
Dries's avatar
   
Dries committed
69

Dries's avatar
   
Dries committed
70
71
72
73
74
}

/*** Common functions ******************************************************/

function user_external_load($authname) {
Dries's avatar
   
Dries committed
75
  $arr_uid = db_query("SELECT uid FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91

  if (db_fetch_object($arr_uid)) {
    $uid = db_result($arr_uid);
    return user_load(array("uid" => $uid));
  }
  else {
    return 0;
  }
}

function user_load($array = array()) {

  /*
  ** Dynamically compose a SQL query:
  */

Dries's avatar
   
Dries committed
92
93
  $query = "";

Dries's avatar
   
Dries committed
94
95
  foreach ($array as $key => $value) {
    if ($key == "pass") {
Kjartan's avatar
Kjartan committed
96
      $query .= "u.$key = '". md5($value) ."' AND ";
97
    }
Dries's avatar
   
Dries committed
98
    else {
Dries's avatar
   
Dries committed
99
      $query .= "u.$key = '". check_query($value) ."' AND ";
Dries's avatar
   
Dries committed
100
101
    }
  }
Dries's avatar
   
Dries committed
102
  $result = db_query_range("SELECT u.*, r.name AS role FROM {role} r INNER JOIN {users} u ON r.rid = u.rid WHERE $query u.status < 3", 0, 1);
Dries's avatar
   
Dries committed
103
104

  $user = db_fetch_object($result);
Dries's avatar
   
Dries committed
105
  if ($user->data && $data = unserialize($user->data)) {
Dries's avatar
   
Dries committed
106
107
108
109
110
111
    foreach ($data as $key => $value) {
      if (!isset($user->$key)) {
        $user->$key = $value;
      }
    }
  }
Dries's avatar
   
Dries committed
112
113
114
115
116
117
118
119
120

  return $user;
}

function user_save($account, $array = array()) {
  /*
  ** Dynamically compose a SQL query:
  */

Kjartan's avatar
Kjartan committed
121
  $user_fields = user_fields();
Dries's avatar
   
Dries committed
122
  if ($account->uid) {
Dries's avatar
   
Dries committed
123
    $data = unserialize(db_result(db_query("SELECT data FROM {users} WHERE uid = %d", $account->uid)));
Dries's avatar
   
Dries committed
124
125
    foreach ($array as $key => $value) {
      if ($key == "pass") {
Dries's avatar
   
Dries committed
126
127
        $query .= "$key = '%s', ";
        $v[] = md5($value);
Dries's avatar
   
Dries committed
128
129
      }
      else if (substr($key, 0, 4) !== "auth") {
Kjartan's avatar
Kjartan committed
130
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
131
132
          // escape '%'s:
          $value = str_replace("%", "%%", $value);
Dries's avatar
   
Dries committed
133
134
          $query .= "$key = '%s', ";
          $v[] = $value;
Dries's avatar
   
Dries committed
135
136
137
138
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
139
140
      }
    }
Dries's avatar
   
Dries committed
141
142
    $query .= "data = '%s', ";
    $v[] = serialize($data);
Dries's avatar
   
Dries committed
143

Dries's avatar
   
Dries committed
144
    db_query("UPDATE {users} SET $query timestamp = %d WHERE uid = %d", array_merge($v, array(time(), $account->uid)));
Dries's avatar
   
Dries committed
145
146
147
148
149

    $user = user_load(array("uid" => $account->uid));
  }
  else {
    $array["timestamp"] = time();
Dries's avatar
   
Dries committed
150
    $array["uid"] = db_next_id("users_uid");
Dries's avatar
   
Dries committed
151
152
153
154

    foreach ($array as $key => $value) {
      if ($key == "pass") {
        $fields[] = check_query($key);
Dries's avatar
   
Dries committed
155
156
        $values[] = md5($value);
        $s[] = "'%s'";
Dries's avatar
   
Dries committed
157
158
      }
      else if (substr($key, 0, 4) !== "auth") {
Kjartan's avatar
Kjartan committed
159
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
160
          $fields[] = check_query($key);
Dries's avatar
   
Dries committed
161
162
          $values[] = $value;
          $s[] = "'%s'";
Dries's avatar
   
Dries committed
163
164
165
166
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
167
168
169
      }
    }

Dries's avatar
   
Dries committed
170
    $fields[] = "data";
Dries's avatar
   
Dries committed
171
172
    $values[] = serialize($data);
    $s[] = "'%s'";
Dries's avatar
   
Dries committed
173

Dries's avatar
   
Dries committed
174
    db_query("INSERT INTO {users} (". implode(", ", $fields) .") VALUES (". implode(", ", $s) .")", $values);
Dries's avatar
   
Dries committed
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206

    $user = user_load(array("name" => $array["name"]));
  }

  foreach ($array as $key => $value) {
    if (substr($key, 0, 4) == "auth") {
      $authmaps[$key] = $value;
    }
  }

  if ($authmaps) {
    $result = user_set_authmaps($user, $authmaps);
  }

  return $user;
}

function user_set($account, $key, $value) {
  $account->data[$key] = $value;
  return $account;
}

function user_get($account, $key) {
  return $account->data[$key];
}

function user_validate_name($name) {

  /*
  ** Verify the syntax of the given name:
  */

Dries's avatar
   
Dries committed
207
208
209
210
  if (!$name) return t("You must enter a username.");
  if (ereg("^ ", $name)) return t("The username cannot begin with a space.");
  if (ereg(" \$", $name)) return t("The username cannot end with a space.");
  if (ereg("  ", $name)) return t("The username cannot contain multiple spaces in a row.");
Dries's avatar
   
Dries committed
211
  if (ereg("[^ a-zA-Z0-9@_\.\-]", $name)) return t("The username contains an illegal character.");
Dries's avatar
   
Dries committed
212
  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.");
Dries's avatar
   
Dries committed
213
  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
214
215
216
217
}

function user_validate_mail($mail) {

Dries's avatar
   
Dries committed
218
  if ($mail && !valid_email_address($mail)) {
Dries's avatar
   
Dries committed
219
    return t("The e-mail address '%mail' is not valid.", array("%mail" => $mail));
Dries's avatar
   
Dries committed
220
221
222
  }
}

223
function user_validate_authmap($account, $authname, $module) {
Dries's avatar
   
Dries committed
224
  $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid != %d AND authname = '%s'", $account->uid, $authname);
Dries's avatar
   
Dries committed
225
226
227
228
  if (db_result($result) > 0) {
    $name = module_invoke($module, "info", "name");
    return t("The %u ID %s is already taken.", array("%u" => ucfirst($name), "%s" => "<i>$authname</i>"));
  }
Dries's avatar
   
Dries committed
229
230
}

Dries's avatar
   
Dries committed
231
function user_password($length = 10) {
Dries's avatar
   
Dries committed
232
233

  /*
Dries's avatar
   
Dries committed
234
  ** Generate a random alphanumeric password.
Dries's avatar
   
Dries committed
235
236
  */

Dries's avatar
   
Dries committed
237
238
239
240
241
242
243
244
245
  // 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.
  $allowable_characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789";
  // We see how many characters are in the allowable list:
  $len = strlen($allowable_characters);

  // Seed the random number generator with the microtime stamp:
Dries's avatar
   
Dries committed
246
  mt_srand((double)microtime() * 1000000);
Dries's avatar
   
Dries committed
247
248
249
250
251
252
253
254
255
256
257
258
259

  // Declare the password as a blank string:
  $pass = "";

  // Loop the number of times specified by $length:
  for ($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
260
261
262
263
264
265
}

function user_access($string) {

  global $user;
  static $perm;
Dries's avatar
   
Dries committed
266
  static $cache;
Dries's avatar
   
Dries committed
267

Dries's avatar
   
Dries committed
268
  // User #1 has all priveleges:
Dries's avatar
   
Dries committed
269
270
271
272
  if ($user->uid == 1) {
    return 1;
  }

Dries's avatar
   
Dries committed
273
274
275
276
  /*
  ** To reduce the number of SQL queries, we cache the user's permissions
  ** in a static variable.
  */
Dries's avatar
   
Dries committed
277

Dries's avatar
   
Dries committed
278
  if (!$cache) {
Dries's avatar
   
Dries committed
279
    if ($user->uid) {
Dries's avatar
   
Dries committed
280
      $perm = db_result(db_query("SELECT p.perm FROM {role} r, {permission} p WHERE r.rid = p.rid AND name = '%s'", $user->role), 0);
Dries's avatar
   
Dries committed
281
282
    }
    else {
Dries's avatar
   
Dries committed
283
      $perm = db_result(db_query("SELECT p.perm FROM {role} r, {permission} p WHERE r.rid = p.rid AND name = 'anonymous user'"), 0);
Dries's avatar
   
Dries committed
284
    }
Dries's avatar
   
Dries committed
285
286
287
288
289
290
291

    /*
    ** We use a separate $cache variable because $perm might be empty when a
    ** user has no access rights.
    */

    $cache = 1;
Dries's avatar
   
Dries committed
292
293
  }

Dries's avatar
   
Dries committed
294
  return strstr($perm, $string);
Dries's avatar
   
Dries committed
295
296
297
298
299
}

function user_mail($mail, $subject, $message, $header) {
  if (variable_get("smtp_library", "") && file_exists(variable_get("smtp_library", ""))) {
    include_once variable_get("smtp_library", "");
300
    return user_mail_wrapper($mail, $subject, $message, $header);
Dries's avatar
   
Dries committed
301
302
  }
  else {
303
304
305
306
307
308
309
    /*
    ** 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
310
311
312
313
314
315
316
317
318
319
320
321
    **
    ** 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
    **
322
    */
Dries's avatar
   
Dries committed
323
324
325
326
327
328
    return mail(
      $mail,
      user_mail_encode($subject),
      str_replace("\r", "", $message),
      "MIME-version: 1.0\nContent-type: text/plain; charset=UTF-8; format=flowed\nContent-transfer-encoding: 8BIT\n" . $header
    );
Dries's avatar
   
Dries committed
329
330
331
  }
}

Dries's avatar
   
Dries committed
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
// Original code by <gordon at kanazawa-gu dot ac dot jp>
function user_mail_encode($string) {

  // define start delimimter, end delimiter and spacer
  $end    = "?=";
  $start  = "=?UTF-8?B?";
  $spacer = "{$end}\r\n{$start}";

  // determine length of encoded text within
  // chunks and ensure length is even
  $length = 75 - strlen($start) - strlen($end);
  $length = floor($length/2) * 2;

  // encode the string and split it into chunks
  // with spacers after each chunk
  $string = base64_encode($string);
  $string = chunk_split($string, $length, $spacer);

  // remove trailing spacer and add start and end delimiters
  $spacer = preg_quote($spacer);
  $string = preg_replace("/{$spacer}$/", "", $string);
  return ($start . $string . $end);
}

Dries's avatar
   
Dries committed
356
357
function user_deny($type, $mask) {

Dries's avatar
   
Dries committed
358
  $allow = db_fetch_object(db_query("SELECT * FROM {access} WHERE status = '1' AND type = '%s' AND LOWER('%s') LIKE LOWER(mask)", $type, $mask));
Dries's avatar
   
Dries committed
359

Dries's avatar
   
Dries committed
360
  $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
361
362
363
364
365
366
367
368
369

  if ($deny && !$allow) {
    return 1;
  }
  else {
    return 0;
  }
}

Dries's avatar
   
Dries committed
370
371
function user_fields() {
  static $fields;
Dries's avatar
   
Dries committed
372

Dries's avatar
   
Dries committed
373
  if (!$fields) {
Dries's avatar
   
Dries committed
374
    $result = db_query("SELECT * FROM {users} WHERE uid = 1");
Kjartan's avatar
Kjartan committed
375
376
377
    if (db_num_rows($result)) {
      $fields = array_keys(db_fetch_array($result));
    }
Dries's avatar
   
Dries committed
378
  }
Dries's avatar
   
Dries committed
379

Kjartan's avatar
Kjartan committed
380
  // Make sure we return the default fields at least
381
  return is_array($fields) ? $fields: array("uid", "name", "pass", "mail", "homepage", "mode", "sort", "threshold", "theme", "signature", "timestamp", "status", "timezone", "language", "init", "data", "rid");
Dries's avatar
   
Dries committed
382
383
}

Dries's avatar
   
Dries committed
384
385
386
387
388
389
390
/*** Module hooks **********************************************************/

function user_perm() {
  return array("administer users");
}

function user_search($keys) {
Dries's avatar
   
Dries committed
391

Dries's avatar
   
Dries committed
392
  $result = db_query_range("SELECT * FROM {users} WHERE name LIKE '%". check_query($keys) ."%'", 0, 20);
Dries's avatar
   
Dries committed
393
  while ($account = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
394
    $find[$i++] = array("title" => $account->name, "link" => (strstr(request_uri(), "admin") ? url("admin/user/edit/$account->uid") : url("user/view/$account->uid")), "user" => $account->name);
Dries's avatar
   
Dries committed
395
396
397
398
  }
  return $find;
}

Dries's avatar
   
Dries committed
399
function user_block($op = "list", $delta = 0) {
Dries's avatar
   
Dries committed
400
401
402
  global $user;

  $edit = $_POST["edit"];
403

Dries's avatar
   
Dries committed
404
  if ($op == "list") {
Dries's avatar
   
Dries committed
405
     $blocks[0]["info"] = t("User login");
406
     $blocks[1]["info"] = t("Navigation");
407
     $blocks[2]["info"] = t("Who's new");
408

409
     return $blocks;
410
411
  }
  else {
Dries's avatar
   
Dries committed
412
413
    switch ($delta) {
      case 0:
414
        if (!$user->uid) {
Dries's avatar
   
Dries committed
415
416
417
418
419
420
421
422
423
          /*
          ** For usability's sake, avoid showing two login forms on one
          ** page.
          */

          if (arg(0) == "user" && arg(1) != "view") {
            return;
          }

Dries's avatar
   
Dries committed
424
425
          $output = "<div class=\"user-login-block\">\n";

426
          /*
Dries's avatar
Dries committed
427
428
          ** Save the referer.  We record where the user came from such
          ** that we/ can redirect him after having completed the login
429
430
          ** form.
          */
Dries's avatar
Dries committed
431

432
          if (empty($edit)) {
Dries's avatar
   
Dries committed
433
            $edit["destination"] = url($_GET["q"]);
434
435
          }
          // 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.
Dries's avatar
Dries committed
436

Dries's avatar
   
Dries committed
437
438
439
          $form = form_hidden("destination", $edit["destination"]);
          $form .= form_textfield(t("Username"), "name", $edit["name"], 15, 64);
          $form .= form_password(t("Password"), "pass", $pass, 15, 64);
Dries's avatar
   
Dries committed
440
441

          if (variable_get("user_remember", 0) == 0) {
Dries's avatar
   
Dries committed
442
            $form .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
443
444
          }
          elseif (variable_get("user_remember", 1) == 1) {
Dries's avatar
   
Dries committed
445
            $form .= form_hidden("remember_me", 1);
Dries's avatar
   
Dries committed
446
          }
447

Dries's avatar
   
Dries committed
448
449
450
451
452
          $form .= form_submit(t("Log in"));

          $output .= form($form, "post", url("user/login"));

          $output .= "</div>\n";
Dries's avatar
   
Dries committed
453

Dries's avatar
   
Dries committed
454
          if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
455
            $items[] = l(t("Create new account"), "user/register", array("title" => t("Create a new user account.")));
Dries's avatar
   
Dries committed
456
          }
Dries's avatar
   
Dries committed
457
          $items[] = l(t("Request new password"), "user/password", array("title" => t("Request new password via e-mail.")));
Dries's avatar
   
Dries committed
458

459
          $output .= theme("theme_item_list", $items);
460

Dries's avatar
   
Dries committed
461
          $block["subject"] = t("User login");
Dries's avatar
   
Dries committed
462
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
   
Dries committed
463
        }
Dries's avatar
Dries committed
464
        return $block;
465
      case 1:
Dries's avatar
   
Dries committed
466
467
468
469
470
        if ($menu = menu_tree()) {
           $block["subject"] = $user->uid ? $user->name : t("Navigation");
           $block["content"] = "<div id=\"menu\">". $menu ."</div>";
        }

471
        return $block;
Dries's avatar
   
Dries committed
472
      case 2:
473
474
475
476
477
        if (user_access("access content")) {
          $result = db_query_range("SELECT uid, name FROM {users} WHERE status != '0' ORDER BY uid DESC", 0, 5);
          while ($account = db_fetch_object($result)) {
            $items[] = l((strlen($account->name) > 15 ? substr($account->name, 0, 15) . '...' : $account->name), "user/view/$account->uid");
          }
Dries's avatar
   
Dries committed
478

479
          $output = theme("theme_user_list", $items);
Dries's avatar
   
Dries committed
480

481
482
483
484
          $block["subject"] = t("Who's new");
          $block["content"] = $output;
          return $block;
        }
Dries's avatar
   
Dries committed
485
486
    }
  }
487
488
}

Dries's avatar
   
Dries committed
489
function theme_user_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
490
491
492
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
493
function theme_menu_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
494
495
496
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
497
function user_link($type) {
Dries's avatar
   
Dries committed
498
499
500

  $links = array();

Dries's avatar
   
Dries committed
501
  if ($type == "page") {
Dries's avatar
   
Dries committed
502
    $links[] = l(t("user account"), "user", array("title" => t("Create a user account, request a new password or edit your account settings.")));
Dries's avatar
   
Dries committed
503
504
  }

Dries's avatar
   
Dries committed
505
  if ($type == "system") {
Dries's avatar
Dries committed
506
507
    global $user;
    if ($user->uid) {
Dries's avatar
   
Dries committed
508
      menu("user/edit", t("my account"), "user_page", NULL, 8);
Dries's avatar
   
Dries committed
509
      menu("user/logout", t("log out"), "user_page", NULL, 10);
Dries's avatar
Dries committed
510
    }
Dries's avatar
   
Dries committed
511
    if (user_access("administer users")) {
Dries's avatar
   
Dries committed
512
      menu("admin/user", t("accounts"), "user_admin", user_help("admin/user"), 2);
513
514
515
516
517
518
519
520
521
522
523
      menu("admin/user/create", t("new user"), "user_admin", user_help("admin/user/create"), 1);
      menu("admin/user/account", t("users"), "user_admin", user_help("admin/user/account"), 2);
      menu("admin/user/access", t("access rules"), NULL, user_help("admin/user/access"), 3);
      menu("admin/user/access/mail", t("by e-mail"), "user_admin", user_help("admin/user/access/mail"));
      menu("admin/user/access/user", t("by name"), "user_admin", user_help("admin/user/access/user"));
      menu("admin/user/role", t("roles"), "user_admin", user_help("admin/user/role"), 4);
      menu("admin/user/permission", t("permissions"), "user_admin", user_help("admin/user/permission"), 5);
      menu("admin/user/search", t("search"), "user_admin", user_help("admin/user/search"), 8);
      menu("admin/user/help", t("help"), "user_help", NULL, 9);
      menu("admin/user/edit", t("edit user account"), "user_admin", NULL, 0, 1); // hidden menu
      menu("admin/user/account/1", t("blocked users"), "user_admin", user_help("admin/user/account/1"), 3);
Dries's avatar
   
Dries committed
524
525
526

      $i = 2;
      foreach (user_roles(1) as $key => $value) {
Dries's avatar
   
Dries committed
527
        menu("admin/user/account/". $i++, t("users with role '%role'", array("%role" => $value)), "user_admin", NULL, 4);
Dries's avatar
   
Dries committed
528
      }
Dries's avatar
   
Dries committed
529
    }
Dries's avatar
   
Dries committed
530
531
  }

Dries's avatar
   
Dries committed
532
  return $links;
Dries's avatar
   
Dries committed
533
534
535
536
}

/*** Authentication methods ************************************************/

537
function user_get_authname($account, $module) {
Dries's avatar
   
Dries committed
538
539

  /*
540
  **  Called by authentication modules in order to edit/view their authmap information.
Dries's avatar
   
Dries committed
541
542
  */

Dries's avatar
   
Dries committed
543
  $result = db_query("SELECT authname FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module);
544
545
546
  return db_result($result);
}

Dries's avatar
   
Dries committed
547

548
549
550
551
552
553
554
function user_get_authmaps($authname = NULL) {

  /*
  ** Accepts an user object, $account, or an DA name and returns an
  ** associtive array of modules and DA names. Called at external login.
  */

Dries's avatar
   
Dries committed
555
  $result = db_query("SELECT authname, module FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
  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) {
    $module = explode("_", $key, 2);
    if ($value) {
Dries's avatar
   
Dries committed
571
      $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
572
      if (db_result($result) == 0) {
Dries's avatar
   
Dries committed
573
        $result = db_query("INSERT INTO {authmap} (authname, uid, module) VALUES ('%s', %d, '%s')", $value, $account->uid, $module[1]);
Dries's avatar
   
Dries committed
574
575
      }
      else {
Dries's avatar
   
Dries committed
576
        $result = db_query("UPDATE {authmap} SET authname = '%s' WHERE uid = %d AND module = '%s'", $value, $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
577
578
579
      }
    }
    else {
Dries's avatar
   
Dries committed
580
      $result = db_query("DELETE FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
581
582
583
584
585
586
    }
  }
  return $result;
}

function user_auth_help_links() {
587
  $links = array();
Dries's avatar
   
Dries committed
588
589
  foreach (module_list() as $module) {
    if (module_hook($module, "auth_help")) {
Dries's avatar
   
Dries committed
590
      $links[] = l(module_invoke($module, "info", "name"), "user/help#$module");
Dries's avatar
   
Dries committed
591
592
593
594
595
596
597
    }
  }
  return $links;
}

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

Dries's avatar
   
Dries committed
598
function user_login($edit = array(), $msg = "") {
Dries's avatar
   
Dries committed
599
  global $user, $base_url;
Dries's avatar
   
Dries committed
600
601
602
603
604
605

  /*
  ** If we are already logged on, go to the user page instead.
  */

  if ($user->uid) {
Dries's avatar
   
Dries committed
606
    drupal_goto(url("user"));
Dries's avatar
   
Dries committed
607
608
609
  }

  if (user_deny("user", $edit["name"])) {
Dries's avatar
   
Dries committed
610
    $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
611
612
613
614
  }
  else if ($edit["name"] && $edit["pass"]) {

    /*
Dries's avatar
   
Dries committed
615
    ** Try to log in the user locally:
Dries's avatar
   
Dries committed
616
617
    */

Dries's avatar
   
Dries committed
618
    if (!$user->uid) {
619
620
      $name = $edit["name"];
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
621
622
623
624
625
626
627
628
      $user = user_load(array("name" => $name, "pass" => $pass, "status" => 1));
    }

    /*
    ** Strip name and server from ID:
    */

    if ($server = strrchr($edit["name"], "@")) {
629
630
631
      $name = substr($edit["name"], 0, strlen($edit["name"]) - strlen($server));
      $server = substr($server, 1);
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
632
    }
Dries's avatar
   
Dries committed
633

Dries's avatar
   
Dries committed
634
635
636
637
    /*
    ** When possible, determine corrosponding external auth source. Invoke source, and login user if successful:
    */

Dries's avatar
   
Dries committed
638
    if (!$user->uid && $server && $result = user_get_authmaps("$name@$server")) {
Dries's avatar
   
Dries committed
639
640
      if (module_invoke(key($result), "auth", $name, $pass, $server)) {
        $user = user_external_load("$name@$server");
Dries's avatar
   
Dries committed
641
        watchdog("user", "external load: $name@$server, module: ". key($result));
Dries's avatar
   
Dries committed
642
643
      }
      else {
Dries's avatar
   
Dries committed
644
        $error = t("Invalid password for %s.", array("%s" => "<i>$name@$server</i>"));
Dries's avatar
   
Dries committed
645
646
647
648
649
650
651
      }
    }

     /*
    ** Try each external authentication source in series. Register user if successful.
    */

Dries's avatar
   
Dries committed
652
    else if (!$user->uid && $server) {
Dries's avatar
   
Dries committed
653
654
655
656
      foreach (module_list() as $module) {
        if (module_hook($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
Dries's avatar
Dries committed
657
              $user = user_save("", array("name" => "$name@$server", "pass" => user_password(), "init" => "$name@$server", "status" => 1, "authname_$module" => "$name@$server", "rid" => _user_authenticated_id()));
Dries's avatar
   
Dries committed
658
              watchdog("user", "new user: $name@$server ($module ID)", l(t("edit user"), "admin/user/edit/$user->uid"));
Dries's avatar
   
Dries committed
659
660
661
662
663
664
665
666
667
668
              break;
            }
          }
        }
      }
    }

    if ($user->uid) {
      watchdog("user", "session opened for '$user->name'");

Dries's avatar
   
Dries committed
669
670
      // update the user table timestamp noting user has logged in
      db_query("UPDATE {users} SET timestamp = '%d' WHERE uid = '%s'", time(), $user->uid);
Dries's avatar
   
Dries committed
671
672
673
674
675
676

      /*
      ** If the user wants to be remembered, set the proper cookie such
      ** that the session won't expire.
      */

Dries's avatar
   
Dries committed
677
      $path = preg_replace("/.+\/\/[^\/]+(.*)/", "\$1/", $base_url);
Dries's avatar
   
Dries committed
678
      if ($edit["remember_me"]) {
Dries's avatar
   
Dries committed
679
        setcookie(session_name(), session_id(), time() + 3600 * 24 * 365, $path);
Dries's avatar
   
Dries committed
680
      }
Dries's avatar
   
Dries committed
681
      else {
Dries's avatar
   
Dries committed
682
        setcookie(session_name(), session_id(), FALSE, $path);
Dries's avatar
   
Dries committed
683
684
685
      }

      /*
Dries's avatar
   
Dries committed
686
      ** Redirect the user to the page he logged on from.
Dries's avatar
   
Dries committed
687
688
      */

Dries's avatar
   
Dries committed
689
      drupal_goto($edit["destination"]);
Dries's avatar
   
Dries committed
690
691
692
    }
    else {
      if (!$error) {
Dries's avatar
   
Dries committed
693
        $error = t("Sorry.  Unrecognized username or password.") ." ". l(t("Have you forgotten your password?"), "user/password");
Dries's avatar
   
Dries committed
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
      }
      if ($server) {
        watchdog("user", "failed login for '$name@$server': $error");
      }
      else {
        watchdog("user", "failed login for '$name': $error");
      }
    }
  }

  /*
  ** Display error message (if any):
  */

  if ($error) {
709
    $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
710
711
  }

Dries's avatar
   
Dries committed
712
713
714
715
716
  /*
  ** Save the referer.  We record where the user came from such that we
  ** can redirect him after having completed the login form.
  */

717
  if (empty($edit)) {
Dries's avatar
   
Dries committed
718
    $edit["destination"] = url($_GET["q"]);
Dries's avatar
   
Dries committed
719
720
721
  }
  $output .= form_hidden("destination", $edit["destination"]);

Dries's avatar
   
Dries committed
722
723
724
725
  /*
  ** Display login form:
  */

Dries's avatar
   
Dries committed
726
727
728
  if ($msg) {
    $output .= "<p>$msg</p>";
  }
Dries's avatar
   
Dries committed
729
  if (count(user_auth_help_links()) > 0) {
Dries's avatar
   
Dries committed
730
    $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
731
732
  }
  else {
Dries's avatar
   
Dries committed
733
    $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
734
  }
Dries's avatar
   
Dries committed
735
  $output .= form_password(t("Password"), "pass", $pass, 30, 64, t("Enter the password that accompanies your username."));
736
  $output .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
737
  $output .= form_submit(t("Log in"));
Dries's avatar
   
Dries committed
738
  $items[] = l(t("Request new password"), "user/password");
739
  if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
740
    $items[] = l(t("Create new account"), "user/register");
741
  }
Dries's avatar
   
Dries committed
742
  $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
743

Dries's avatar
   
Dries committed
744
  return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
745
746
}

747
function _user_authenticated_id() {
Dries's avatar
   
Dries committed
748
  return db_result(db_query("SELECT rid FROM {role} WHERE name = 'authenticated user'"));
749
750
}

Dries's avatar
   
Dries committed
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
function user_logout() {
  global $user;

  if ($user->uid) {
    watchdog("user", "session closed for user '$user->name'");

    /*
    ** Destroy the current session:
    */

    session_destroy();
    unset($user);
  }

  /*
  ** Redirect the user to his personal information page:
  */

Dries's avatar
   
Dries committed
769
  drupal_goto(url());
Dries's avatar
   
Dries committed
770
771
772
773
774

}

function user_pass($edit = array()) {

Dries's avatar
   
Dries committed
775
776
  global $base_url;

Kjartan's avatar
Kjartan committed
777
  if ($edit["name"]) {
Dries's avatar
   
Dries committed
778
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE name = '%s'", $edit["name"]));
Dries's avatar
   
Dries committed
779
    if (!$account) $error = t("Sorry. The username <i>%s</i> is not recognized.", array("%s" => $edit["name"]));
780
  }
Kjartan's avatar
Kjartan committed
781
  else if ($edit["mail"]) {
Dries's avatar
   
Dries committed
782
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE mail = '%s'", $edit["mail"]));
Dries's avatar
   
Dries committed
783
    if (!$account) $error = t("Sorry. The e-mail address <i>%s</i> is not recognized.", array("%s" => $edit["mail"]));
Kjartan's avatar
Kjartan committed
784
785
  }
  if ($account) {
Dries's avatar
   
Dries committed
786

787
      $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
788
789
790
791
792
793
794
795
796
797
798
799
      $pass = user_password();

      /*
      ** Save new password:
      */

      user_save($account, array("pass" => $pass));

      /*
      ** Mail new password:
      */

Dries's avatar
   
Dries committed
800
      $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()));
Dries's avatar
   
Dries committed
801
802
      $subject = strtr(variable_get("user_mail_pass_subject", _user_mail_text("pass_subject")), $variables);
      $body = strtr(variable_get("user_mail_pass_body", _user_mail_text("pass_body")), $variables);
803
      $headers = "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from";
Dries's avatar
   
Dries committed
804
      $mail_success = user_mail($account->mail, $subject, $body, $headers);
Dries's avatar
   
Dries committed
805

Dries's avatar
   
Dries committed
806
807
808
809
810
811
812
813
      if ($mail_success) {
        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.");
      }
      else {
        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
814
815
    }
    else {
816

Kjartan's avatar
Kjartan committed
817
818
    // Display error message if necessary.
    if ($error) {
819
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
820
821
822
823
824
825
    }

    /*
    ** Display form:
    */

Dries's avatar
   
Dries committed
826
    $output .= "<p>". sprintf(t("Enter your username %sor%s your e-mail address."), "<b><i>", "</i></b>") ."</p>";
Dries's avatar
   
Dries committed
827
828
829
    $output .= form_textfield(t("Username"), "name", $edit["name"], 30, 64);
    $output .= form_textfield(t("E-mail address"), "mail", $edit["mail"], 30, 64);
    $output .= form_submit(t("E-mail new password"));
Dries's avatar
   
Dries committed
830
    $items[] = l(t("Log in"), "user/login");
831
    if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
832
      $items[] = l(t("Create new account"), "user/register");
833
    }
Dries's avatar
   
Dries committed
834
    $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
835

Dries's avatar
   
Dries committed
836
    return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
837
838
839
840
  }
}

function user_register($edit = array()) {
Dries's avatar
   
Dries committed
841
  global $user, $base_url;
842

Dries's avatar
   
Dries committed
843
  $edit = $_POST["edit"];
844
845
846
847
848
  /*
  ** If we are already logged on, go to the user page instead.
  */

  if ($user->uid) {
Dries's avatar
   
Dries committed
849
    drupal_goto(url("user/edit"));
850
  }
Dries's avatar
   
Dries committed
851
852
853
854
855
856
857
858
859

  if ($edit["name"] && $edit["mail"]) {
    if ($error = user_validate_name($edit["name"])) {
      // do nothing
    }
    else if ($error = user_validate_mail($edit["mail"])) {
      // do nothing
    }
    else if (user_deny("user", $edit["name"])) {
Dries's avatar
   
Dries committed
860
      $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
861
862
    }
    else if (user_deny("mail", $edit["mail"])) {
Dries's avatar
   
Dries committed
863
      $error = t("The e-mail address '%s' has been denied access.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
864
    }
Dries's avatar
   
Dries committed
865
    else if (db_num_rows(db_query("SELECT name FROM {users} WHERE LOWER(name) = LOWER('%s')", $edit["name"])) > 0) {
Dries's avatar
   
Dries committed
866
      $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
867
    }
Dries's avatar
   
Dries committed
868
    else if (db_num_rows(db_query("SELECT mail FROM {users} WHERE LOWER(mail) = LOWER('%s') OR LOWER(init) = LOWER('%s')", $edit["mail"], $edit["mail"])) > 0) {
Dries's avatar
   
Dries committed
869
      $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
870
    }
Dries's avatar
   
Dries committed
871
    else if (variable_get("user_register", 1) == 0) {
Dries's avatar
   
Dries committed
872
873
874
      $error = t("Public registrations have been disabled by the site administrator.");
    }
    else {
Dries's avatar
   
Dries committed
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
      foreach (module_list() as $module) {
        if (module_hook($module, "user")) {
          $result = module_invoke($module, "user", "register_validate", $edit, $user);
          if (is_array($result)) {
            $data = array_merge($data, $result);
          }
          elseif (is_string($result)) {
            $error = $result;
            break;
          }
        }
      }
      if (!$error) {
        $success = 1;
      }
Dries's avatar
   
Dries committed
890
891
892
893
894
    }
  }

  if ($success) {

895
    $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
896
897
    $pass = user_password();

898
    // create new user account, noting whether administrator approval is required
899
900
901
    user_role_init();
    // TODO: is this necessary? Won't session_write replicate this?
    unset($edit["session"]);
902
    $account = user_save("", array_merge(array("name" => $edit["name"], "pass" => $pass, "init" => $edit["mail"], "mail" => $edit["mail"], "rid" => _user_authenticated_id(), "status" => (variable_get("user_register", 1) == 1 ? 1 : 0)), $data));
Dries's avatar
   
Dries committed
903
    watchdog("user", "new user: '". $edit["name"] ."' &lt;". $edit["mail"] ."&gt;", l(t("edit user"), "admin/user/edit/$account->uid"));
Dries's avatar
   
Dries committed
904

Dries's avatar
   
Dries committed
905
    $variables = array("%username" => $edit["name"], "%site" => variable_get("site_name", "drupal"), "%password" => $pass, "%uri" => $base_url, "%uri_brief" => substr($base_url, strlen("http://")), "%mailto" => $edit["mail"], "%date" => format_date(time()));
906

Dries's avatar
   
Dries committed
907
    //the first user may login immediately, and receives a customized welcome e-mail.
908
    if ($account->uid == 1) {
Dries's avatar
   
Dries committed
909
      user_mail($edit["mail"], t("drupal user account details for %s", array("%s" => $edit["name"])), strtr(t("%username,\n\nYou may now login to %uri using the following username and password:\n\n  username: %username\n  password: %password\n\n". url("user/edit") ."\n\n--drupal"), $variables), "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
910
      // This should not be t()'ed. No point as its only shown once in the sites lifetime, and it would be bad to store the password
Dries's avatar
   
Dries committed
911
      $output .= "<p>Welcome to Drupal. You are user #1, which gives you full and immediate access.  All future registrants will receive their passwords via e-mail, so please configure your e-mail settings using the Administration pages.</p><p> Your password is <b>$pass</b>. You may change your password on the next page.</p><p>Please login below.</p>";
Dries's avatar
   
Dries committed
912
      $output .= form_hidden("destination", url("user/edit"));
913
      $output .= form_hidden("name", $account->name);
914
915
916
917
918
      $output .= form_hidden("pass", $pass);
      $output .= form_submit(t("Log in"));
      return form($output);
    }
    else {
919
920
921
922
923
      if ($account->status) {
        /*
        ** Create new user account, no administrator approval required:
        */

Dries's avatar
   
Dries committed
924
925
        $subject = strtr(variable_get("user_mail_welcome_subject", _user_mail_text("welcome_subject")), $variables);
        $body = strtr(variable_get("user_mail_welcome_body", _user_mail_text("welcome_body")), $variables);
926
927
928
929
930
931
932
        user_mail($edit["mail"], $subject, $body, "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
        return t("Your password and further instructions have been sent to your e-mail address.");
      }
      else {
        /*
        ** Create new user account, administrator approval required:
        */
Dries's avatar
   
Dries committed
933
934
        $subject = strtr(variable_get("user_mail_approval_subject", _user_mail_text("welcome_approval_subject")), $variables);
        $body = strtr(variable_get("user_mail_approval_body", _user_mail_text("welcome_approval_body")), $variables);
935
        user_mail($edit["mail"], $subject, $body, "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
Dries's avatar
   
Dries committed
936
        user_mail(variable_get("site_mail", ini_get("sendmail_from")), $subject, t("%u has applied for an account.\n\n%uri", array("%u" => $account->name, "%uri" => url("admin/user/edit/$account->uid"))), "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
Dries's avatar
   
Dries committed
937
        return t("Thank you for applying for an account. Your account is currently pending approval by the site administrator.<br />In the meantime, your password and further instructions have been sent to your e-mail address.");
938
      }
939
    }
Dries's avatar
   
Dries committed
940
941
942
  }
  else {
    if ($error) {
943
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
944
    }
945
  }
Dries's avatar
   
Dries committed
946

947
  // display the registration form
948
  $output .= variable_get("user_registration_help", "");
949
  $affiliates = user_auth_help_links();
Dries's avatar
   
Dries committed
950
  if (count($affiliates) > 0) {
951
    $affiliates = implode(", ", $affiliates);
Dries's avatar
   
Dries committed
952
    $output .= "<p>" . t("Note: If you have an account with one of our affiliates (%s), you may ". l("login now", "user/login") ." instead of registering.", array("%s" => $affiliates)) ."</p>";
953
  }
Dries's avatar
   
Dries committed
954
  $output .= form_textfield(t("Username"), "name", $edit["name"], 30, 64, t("Your full name or your preferred username: only letters, numbers and spaces are allowed."));
955
956
957
958
  $output .= form_textfield(t("E-mail address"), "mail", $edit["mail"], 30, 64, t("A password and instructions will be sent to this e-mail address, so make sure it is accurate."));
  foreach (module_list() as $module) {
    if (module_hook($module, "user")) {
      $output .= module_invoke($module, "user", "register_form", $edit, $user);
Dries's avatar
   
Dries committed
959
    }
Dries's avatar
   
Dries committed
960
  }
961
  $output .= form_submit(t("Create new account"));
962
  $items[] = l(t("Request new password"), "user/password");
Dries's avatar
   
Dries committed
963
964
  $items[] = l(t("Log in"), "user/login");
  $output .= theme("theme_item_list", $items);
Kjartan's avatar
Kjartan committed
965

966
  return form($output);
Dries's avatar
   
Dries committed
967
968
}

Kjartan's avatar
Kjartan committed
969
970

function user_delete() {
Dries's avatar
   
Dries committed
971
972
  global $user;

Kjartan's avatar
Kjartan committed
973
  $edit = $_POST["edit"];
974

Kjartan's avatar
Kjartan committed
975
  if ($edit["confirm"]) {
Dries's avatar
   
Dries committed
976
    watchdog("user","$user->name deactivated her own account.");
Dries's avatar
   
Dries committed
977
    db_query("UPDATE {users} SET mail = 'deleted', status = '0' WHERE uid = %d", $user->uid);
Kjartan's avatar
Kjartan committed
978
979
980
    $output .= t("Your account has been deactivated.");
  }
  else {
Dries's avatar
   
Dries committed
981
    $output .= form_item(t("Confirm Deletion"), t("You are about to deactivate your own user account. In addition, your e-mail address will be removed from the database."));
Kjartan's avatar
Kjartan committed
982
983
984
985
986
987
988
    $output .= form_hidden("confirm", 1);
    $output .= form_submit(t("Delete account"));
    $output = form($output);
  }
  return $output;
}

Dries's avatar
   
Dries committed
989
function user_edit($edit = array()) {
Dries's avatar
   
Dries committed
990
  global $user;
Dries's avatar
   
Dries committed
991
992
993
994
995
996
997
998
999

  if ($user->uid) {
    if ($edit["name"]) {
      if ($error = user_validate_name($edit["name"])) {
        // do nothing
      }
      else if ($error = user_validate_mail($edit["mail"])) {
        // do nothing
      }
Dries's avatar
   
Dries committed
1000
      else if (db_num_rows(db_query("SELECT uid FROM {users} WHERE uid != '$user->uid' AND LOWER(name) = LOWER('%s')", $edit["name"])) > 0) {
Dries's avatar
   
Dries committed
1001
        $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
1002
      }
Dries's avatar
   
Dries committed
1003
      else if ($edit["mail"] && db_num_rows(db_query("SELECT uid FROM {users} WHERE uid != '$user->uid' AND LOWER(mail) = LOWER('%s')", $edit["mail"])) > 0) {
Dries's avatar
   
Dries committed
1004
        $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
      }
      else if ($user->uid) {
        /*
        ** If required, check that proposed passwords match.  If so,
        ** add new password to $edit.
        */

        if ($edit["pass1"]) {
          if ($edit["pass1"] == $edit["pass2"]) {
            $edit["pass"] = $edit["pass1"];
          }
          else {
            $error = t("The specified passwords do not match.");
          }
        }
        unset($edit["pass1"], $edit["pass2"]);

Dries's avatar
   
Dries committed
1022
1023
1024
1025
1026
1027
        /*
        ** Validate input fields to make sure users don't submit
        ** invalid form data.
        */

        if (!user_access("administer users")) {
1028
           if (array_intersect(array_keys($edit), array("rid", "init", "session"))) {
Dries's avatar
   
Dries committed
1029
1030
1031
1032
1033
1034
1035
             watchdog("warning", "detected malicious attempt to alter a protected database field");
           }

           $edit["rid"] = $user->rid;
           $edit["init"] = $user->init;
           $edit["session"] = $user->session;
        }
1036

Dries's avatar
   
Dries committed
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
        /*
        ** Have the modules that extend the user information validate
        ** their data.
        */

        foreach (module_list() as $module) {
          if (module_hook($module, "user")) {
            $result = module_invoke($module, "user", "edit_validate", $edit, $user);
          }
          if (is_array($result)) {
            $data = array_merge($data, $result);
          }
          elseif (is_string($result)) {
            $error = $result;
            break;
          }
        }

Dries's avatar
   
Dries committed
1055
1056
1057
1058
        if (!$error) {
          /*
          ** Save user information:
          */
Dries's avatar
   
Dries committed
1059

Dries's avatar