user.module 86.6 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
266
}

function user_access($string) {

  global $user;
  static $perm;

Dries's avatar
   
Dries committed
267
268
269
270
  if ($user->uid == 1) {
    return 1;
  }

Dries's avatar
   
Dries committed
271
272
273
274
  /*
  ** To reduce the number of SQL queries, we cache the user's permissions
  ** in a static variable.
  */
Dries's avatar
   
Dries committed
275

Dries's avatar
   
Dries committed
276
  if (!$perm) {
Dries's avatar
   
Dries committed
277
    if ($user->uid) {
Dries's avatar
   
Dries committed
278
      $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
279
280
    }
    else {
Dries's avatar
   
Dries committed
281
      $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
282
283
284
    }
  }

Dries's avatar
   
Dries committed
285
  return strstr($perm, $string);
Dries's avatar
   
Dries committed
286
287
288
289
290
}

function user_mail($mail, $subject, $message, $header) {
  if (variable_get("smtp_library", "") && file_exists(variable_get("smtp_library", ""))) {
    include_once variable_get("smtp_library", "");
291
    return user_mail_wrapper($mail, $subject, $message, $header);
Dries's avatar
   
Dries committed
292
293
  }
  else {
294
295
296
297
298
299
300
    /*
    ** 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
301
302
303
304
305
306
307
308
309
310
311
312
    **
    ** 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
    **
313
314
    */
    return mail($mail, $subject, str_replace("\r", "", $message), $header);
Dries's avatar
   
Dries committed
315
316
317
318
319
  }
}

function user_deny($type, $mask) {

Dries's avatar
   
Dries committed
320
  $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
321

Dries's avatar
   
Dries committed
322
  $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
323
324
325
326
327
328
329
330
331

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

Dries's avatar
   
Dries committed
332
333
function user_fields() {
  static $fields;
Dries's avatar
   
Dries committed
334

Dries's avatar
   
Dries committed
335
  if (!$fields) {
Dries's avatar
   
Dries committed
336
    $result = db_query("SELECT * FROM {users} WHERE uid = 1");
Kjartan's avatar
Kjartan committed
337
338
339
    if (db_num_rows($result)) {
      $fields = array_keys(db_fetch_array($result));
    }
Dries's avatar
   
Dries committed
340
  }
Dries's avatar
   
Dries committed
341

Kjartan's avatar
Kjartan committed
342
  // Make sure we return the default fields at least
343
  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
344
345
}

Dries's avatar
   
Dries committed
346
347
348
349
350
351
352
/*** Module hooks **********************************************************/

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

function user_search($keys) {
Dries's avatar
   
Dries committed
353

Dries's avatar
   
Dries committed
354
  $result = db_query_range("SELECT * FROM {users} WHERE name LIKE '%$keys%'", 0, 20);
Dries's avatar
   
Dries committed
355
  while ($account = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
356
    $find[$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
357
358
359
360
  }
  return $find;
}

Dries's avatar
   
Dries committed
361
function user_block($op = "list", $delta = 0) {
Dries's avatar
   
Dries committed
362
363
364
  global $user;

  $edit = $_POST["edit"];
365

Dries's avatar
   
Dries committed
366
  if ($op == "list") {
Dries's avatar
   
Dries committed
367
     $blocks[0]["info"] = t("User login");
368
369
     $blocks[1]["info"] = t("User information");
     $blocks[2]["info"] = t("Who's new");
370

371
     return $blocks;
372
373
  }
  else {
Dries's avatar
   
Dries committed
374
375
376
    switch ($delta) {
      case 0:
        if (!$user->uid) {
Dries's avatar
   
Dries committed
377
378
379
380
381
382
383
384
385
          /*
          ** 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
386
387
          $output = "<div class=\"user-login-block\">\n";

388
          /*
Dries's avatar
Dries committed
389
390
          ** Save the referer.  We record where the user came from such
          ** that we/ can redirect him after having completed the login
391
392
          ** form.
          */
Dries's avatar
Dries committed
393

394
          if (empty($edit)) {
Dries's avatar
   
Dries committed
395
            $edit["destination"] = url($_GET["q"]);
396
397
          }
          // 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
398

Dries's avatar
   
Dries committed
399
400
401
          $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
402
403

          if (variable_get("user_remember", 0) == 0) {
Dries's avatar
   
Dries committed
404
            $form .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
405
406
          }
          elseif (variable_get("user_remember", 1) == 1) {
Dries's avatar
   
Dries committed
407
            $form .= form_hidden("remember_me", 1);
Dries's avatar
   
Dries committed
408
          }
409

Dries's avatar
   
Dries committed
410
411
412
413
414
          $form .= form_submit(t("Log in"));

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

          $output .= "</div>\n";
Dries's avatar
   
Dries committed
415

Dries's avatar
   
Dries committed
416
          if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
417
            $items[] = l(t("Create new account"), "user/register", array("title" => t("Create a new user account.")));
Dries's avatar
   
Dries committed
418
          }
Dries's avatar
   
Dries committed
419
          $items[] = l(t("Request new password"), "user/password", array("title" => t("Request new password via e-mail.")));
Dries's avatar
   
Dries committed
420

421
          $output .= theme("theme_item_list", $items);
422

Dries's avatar
   
Dries committed
423
          $block["subject"] = t("User login");
Dries's avatar
   
Dries committed
424
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
   
Dries committed
425
426
427
428
429
          return $block;
        }
        break;
      case 1:
        if ($user->uid) {
Dries's avatar
   
Dries committed
430
          $output = "<div class=\"user-information-block\">\n";
Dries's avatar
   
Dries committed
431
432
433
434
          $output .= theme("theme_menu_list", module_invoke_all("link", "menu.create"));
          $output .= theme("theme_menu_list", module_invoke_all("link", "menu.view"));
          $output .= theme("theme_menu_list", module_invoke_all("link", "menu.settings"));
          $output .= theme("theme_menu_list", module_invoke_all("link", "menu.misc"));
Dries's avatar
   
Dries committed
435
          $output .= "</div>\n";
436

Dries's avatar
   
Dries committed
437
          $block["subject"] = $user->name;
Dries's avatar
   
Dries committed
438
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
   
Dries committed
439
440
441
442
          return $block;
        }
        break;
      case 2:
443
444
445
446
447
        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
448

449
          $output = theme("theme_user_list", $items);
Dries's avatar
   
Dries committed
450

451
452
453
454
          $block["subject"] = t("Who's new");
          $block["content"] = $output;
          return $block;
        }
Dries's avatar
   
Dries committed
455
456
    }
  }
457
458
}

Dries's avatar
   
Dries committed
459
function theme_user_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
460
461
462
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
463
function theme_menu_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
464
465
466
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
467
function user_link($type) {
Dries's avatar
   
Dries committed
468
469
470

  $links = array();

Dries's avatar
   
Dries committed
471
  if ($type == "page") {
Dries's avatar
   
Dries committed
472
    $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
473
474
  }

Dries's avatar
   
Dries committed
475
  if ($type == "menu.settings") {
Dries's avatar
   
Dries committed
476
    $links[] = l(t("edit account"), "user/edit", array("title" => t("View and edit your account information.")));
Dries's avatar
   
Dries committed
477
478
479
480
  }

  if ($type == "menu.misc") {
    if (user_access("access administration pages")) {
Dries's avatar
   
Dries committed
481
      $links[] = l(t("administer %a", array("%a" => variable_get("site_name", "drupal"))), "admin", array("title" => t("Access administration pages.")));
Dries's avatar
   
Dries committed
482
483
    }

Dries's avatar
   
Dries committed
484
    $links[] = l(t("logout"), "user/logout", array("title" => t("Logout.")));
Dries's avatar
   
Dries committed
485
486
487
  }

  if ($type == "admin" && user_access("administer users")) {
Dries's avatar
   
Dries committed
488
489
490
491
492
493
494
495
496
    menu("admin/user", "user management", "user_admin", user_help("admin/user"), 2);
    menu("admin/user/create", "create new account", "user_admin", user_help("admin/user/create"), 1);
    menu("admin/user/account", "view user accounts", "user_admin", user_help("admin/user/account"), 2);
    menu("admin/user/access", "access rules", NULL, user_help("admin/user/access"), 3);
    menu("admin/user/access/mail", "e-mail rules", "user_admin", user_help("admin/user/access/mail"));
    menu("admin/user/access/user", "username rules", "user_admin", user_help("admin/user/access/user"));
    menu("admin/user/role", "user roles", "user_admin", user_help("admin/user/role"), 4);
    menu("admin/user/permission", "user permissions", "user_admin", user_help("admin/user/permission"), 5);
    menu("admin/user/search", "search accounts", "user_admin", user_help("admin/user/search"), 8);
Dries's avatar
   
Dries committed
497
498
    menu("admin/user/help", "help", "user_help", NULL, 9);
    menu("admin/user/edit", "edit user account", "user_admin", NULL, 0, 1); // hidden menu
Dries's avatar
   
Dries committed
499
500
501
    menu("admin/user/account/0", "active users", "user_admin", user_help("admin/user/account/0"), 1);
    menu("admin/user/account/1", "new users", "user_admin", user_help("admin/user/account/1"), 2);
    menu("admin/user/account/2", "blocked users", "user_admin", user_help("admin/user/account/2"), 3);
Dries's avatar
   
Dries committed
502
503
504

    $i = 3;
    foreach (user_roles(1) as $key => $value) {
Dries's avatar
   
Dries committed
505
      menu("admin/user/account/". $i++, "users with role '$value'", "user_admin", NULL, 4);
Dries's avatar
   
Dries committed
506
    }
Dries's avatar
   
Dries committed
507
508
  }

Dries's avatar
   
Dries committed
509
  return $links;
Dries's avatar
   
Dries committed
510
511
512
513
}

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

514
function user_get_authname($account, $module) {
Dries's avatar
   
Dries committed
515
516

  /*
517
  **  Called by authentication modules in order to edit/view their authmap information.
Dries's avatar
   
Dries committed
518
519
  */

Dries's avatar
   
Dries committed
520
  $result = db_query("SELECT authname FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module);
521
522
523
  return db_result($result);
}

Dries's avatar
   
Dries committed
524

525
526
527
528
529
530
531
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
532
  $result = db_query("SELECT authname, module FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
  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
548
      $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
549
      if (db_result($result) == 0) {
Dries's avatar
   
Dries committed
550
        $result = db_query("INSERT INTO {authmap} (authname, uid, module) VALUES ('%s', %d, '%s')", $value, $account->uid, $module[1]);
Dries's avatar
   
Dries committed
551
552
      }
      else {
Dries's avatar
   
Dries committed
553
        $result = db_query("UPDATE {authmap} SET authname = '%s' WHERE uid = %d AND module = '%s'", $value, $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
554
555
556
      }
    }
    else {
Dries's avatar
   
Dries committed
557
      $result = db_query("DELETE FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
558
559
560
561
562
563
    }
  }
  return $result;
}

function user_auth_help_links() {
564
  $links = array();
Dries's avatar
   
Dries committed
565
566
  foreach (module_list() as $module) {
    if (module_hook($module, "auth_help")) {
Dries's avatar
   
Dries committed
567
      $links[] = l(module_invoke($module, "info", "name"), "user/help#$module");
Dries's avatar
   
Dries committed
568
569
570
571
572
573
574
    }
  }
  return $links;
}

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

Dries's avatar
   
Dries committed
575
function user_login($edit = array(), $msg = "") {
Dries's avatar
   
Dries committed
576
  global $user, $base_url;
Dries's avatar
   
Dries committed
577
578
579
580
581
582

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

  if ($user->uid) {
Dries's avatar
   
Dries committed
583
    drupal_goto(url("user"));
Dries's avatar
   
Dries committed
584
585
586
  }

  if (user_deny("user", $edit["name"])) {
Dries's avatar
   
Dries committed
587
    $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
588
589
590
591
  }
  else if ($edit["name"] && $edit["pass"]) {

    /*
Dries's avatar
   
Dries committed
592
    ** Try to log in the user locally:
Dries's avatar
   
Dries committed
593
594
    */

Dries's avatar
   
Dries committed
595
    if (!$user->uid) {
596
597
      $name = $edit["name"];
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
598
599
600
601
602
603
604
605
      $user = user_load(array("name" => $name, "pass" => $pass, "status" => 1));
    }

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

    if ($server = strrchr($edit["name"], "@")) {
606
607
608
      $name = substr($edit["name"], 0, strlen($edit["name"]) - strlen($server));
      $server = substr($server, 1);
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
609
    }
Dries's avatar
   
Dries committed
610

Dries's avatar
   
Dries committed
611
612
613
614
    /*
    ** When possible, determine corrosponding external auth source. Invoke source, and login user if successful:
    */

Dries's avatar
   
Dries committed
615
    if (!$user->uid && $server && $result = user_get_authmaps("$name@$server")) {
Dries's avatar
   
Dries committed
616
617
      if (module_invoke(key($result), "auth", $name, $pass, $server)) {
        $user = user_external_load("$name@$server");
Dries's avatar
   
Dries committed
618
        watchdog("user", "external load: $name@$server, module: ". key($result));
Dries's avatar
   
Dries committed
619
620
      }
      else {
Dries's avatar
   
Dries committed
621
        $error = t("Invalid password for %s.", array("%s" => "<i>$name@$server</i>"));
Dries's avatar
   
Dries committed
622
623
624
625
626
627
628
      }
    }

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

Dries's avatar
   
Dries committed
629
    else if (!$user->uid && $server) {
Dries's avatar
   
Dries committed
630
631
632
633
      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
634
              $user = user_save("", array("name" => "$name@$server", "pass" => user_password(), "init" => "$name@$server", "status" => 1, "authname_$module" => "$name@$server", "rid" => _user_authenticated_id()));
Dries's avatar
   
Dries committed
635
              watchdog("user", "new user: $name@$server ($module ID)", l(t("edit user"), "admin/user/edit/$user->uid"));
Dries's avatar
   
Dries committed
636
637
638
639
640
641
642
643
644
645
              break;
            }
          }
        }
      }
    }

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

Dries's avatar
   
Dries committed
646
647
      // 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
648
649
650
651
652
653

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

Dries's avatar
   
Dries committed
654
      $path = preg_replace("/.+\/\/[^\/]+(.*)/", "\$1/", $base_url);
Dries's avatar
   
Dries committed
655
      if ($edit["remember_me"]) {
Dries's avatar
   
Dries committed
656
        setcookie(session_name(), session_id(), time() + 3600 * 24 * 365, $path);
Dries's avatar
   
Dries committed
657
      }
Dries's avatar
   
Dries committed
658
      else {
Dries's avatar
   
Dries committed
659
        setcookie(session_name(), session_id(), FALSE, $path);
Dries's avatar
   
Dries committed
660
661
662
      }

      /*
Dries's avatar
   
Dries committed
663
      ** Redirect the user to the page he logged on from.
Dries's avatar
   
Dries committed
664
665
      */

Dries's avatar
   
Dries committed
666
      drupal_goto($edit["destination"]);
Dries's avatar
   
Dries committed
667
668
669
    }
    else {
      if (!$error) {
Dries's avatar
   
Dries committed
670
        $error = t("Sorry.  Unrecognized username or password.") ." ". l(t("Have you forgotten your password?"), "user/password");
Dries's avatar
   
Dries committed
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
      }
      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) {
686
    $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
687
688
  }

Dries's avatar
   
Dries committed
689
690
691
692
693
  /*
  ** Save the referer.  We record where the user came from such that we
  ** can redirect him after having completed the login form.
  */

694
  if (empty($edit)) {
Dries's avatar
   
Dries committed
695
    $edit["destination"] = url($_GET["q"]);
Dries's avatar
   
Dries committed
696
697
698
  }
  $output .= form_hidden("destination", $edit["destination"]);

Dries's avatar
   
Dries committed
699
700
701
702
  /*
  ** Display login form:
  */

Dries's avatar
   
Dries committed
703
704
705
  if ($msg) {
    $output .= "<p>$msg</p>";
  }
Dries's avatar
   
Dries committed
706
  if (count(user_auth_help_links()) > 0) {
Dries's avatar
   
Dries committed
707
    $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
708
709
  }
  else {
Dries's avatar
   
Dries committed
710
    $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
711
  }
Dries's avatar
   
Dries committed
712
  $output .= form_password(t("Password"), "pass", $pass, 30, 64, t("Enter the password that accompanies your username."));
713
  $output .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
714
  $output .= form_submit(t("Log in"));
Dries's avatar
   
Dries committed
715
  $items[] = l(t("Request new password"), "user/password");
716
  if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
717
    $items[] = l(t("Create new account"), "user/register");
718
  }
Dries's avatar
   
Dries committed
719
  $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
720

Dries's avatar
   
Dries committed
721
  return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
722
723
}

724
function _user_authenticated_id() {
Dries's avatar
   
Dries committed
725
  return db_result(db_query("SELECT rid FROM {role} WHERE name = 'authenticated user'"));
726
727
}

Dries's avatar
   
Dries committed
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
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
746
  drupal_goto(url());
Dries's avatar
   
Dries committed
747
748
749
750
751

}

function user_pass($edit = array()) {

Dries's avatar
   
Dries committed
752
753
  global $base_url;

Kjartan's avatar
Kjartan committed
754
  if ($edit["name"]) {
Dries's avatar
   
Dries committed
755
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE name = '%s'", $edit["name"]));
Dries's avatar
   
Dries committed
756
    if (!$account) $error = t("Sorry. The username <i>%s</i> is not recognized.", array("%s" => $edit["name"]));
757
  }
Kjartan's avatar
Kjartan committed
758
  else if ($edit["mail"]) {
Dries's avatar
   
Dries committed
759
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE mail = '%s'", $edit["mail"]));
Dries's avatar
   
Dries committed
760
    if (!$account) $error = t("Sorry. The e-mail address <i>%s</i> is not recognized.", array("%s" => $edit["mail"]));
Kjartan's avatar
Kjartan committed
761
762
  }
  if ($account) {
Dries's avatar
   
Dries committed
763

764
      $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
765
766
767
768
769
770
771
772
773
774
775
776
      $pass = user_password();

      /*
      ** Save new password:
      */

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

      /*
      ** Mail new password:
      */

Dries's avatar
   
Dries committed
777
      $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
778
779
      $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);
780
      $headers = "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from";
Dries's avatar
   
Dries committed
781
      $mail_success = user_mail($account->mail, $subject, $body, $headers);
Dries's avatar
   
Dries committed
782

Dries's avatar
   
Dries committed
783
784
785
786
787
788
789
790
      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
791
792
    }
    else {
793

Kjartan's avatar
Kjartan committed
794
795
    // Display error message if necessary.
    if ($error) {
796
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
797
798
799
800
801
802
    }

    /*
    ** Display form:
    */

Dries's avatar
   
Dries committed
803
    $output .= "<p>". sprintf(t("Enter your username %sor%s your e-mail address."), "<b><i>", "</i></b>") ."</p>";
Dries's avatar
   
Dries committed
804
805
806
    $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
807
    $items[] = l(t("Log in"), "user/login");
808
    if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
809
      $items[] = l(t("Create new account"), "user/register");
810
    }
Dries's avatar
   
Dries committed
811
    $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
812

Dries's avatar
   
Dries committed
813
    return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
814
815
816
817
  }
}

function user_register($edit = array()) {
Dries's avatar
   
Dries committed
818
  global $user, $base_url;
819

Dries's avatar
   
Dries committed
820
  $edit = $_POST["edit"];
821
822
823
824
825
  /*
  ** If we are already logged on, go to the user page instead.
  */

  if ($user->uid) {
Dries's avatar
   
Dries committed
826
    drupal_goto(url("user/edit"));
827
  }
Dries's avatar
   
Dries committed
828
829
830
831
832
833
834
835
836

  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
837
      $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
838
839
    }
    else if (user_deny("mail", $edit["mail"])) {
Dries's avatar
   
Dries committed
840
      $error = t("The e-mail address '%s' has been denied access.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
841
    }
Dries's avatar
   
Dries committed
842
    else if (db_num_rows(db_query("SELECT name FROM {users} WHERE LOWER(name) = LOWER('%s')", $edit["name"])) > 0) {
Dries's avatar
   
Dries committed
843
      $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
844
    }
Dries's avatar
   
Dries committed
845
    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
846
      $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
847
    }
Dries's avatar
   
Dries committed
848
    else if (variable_get("user_register", 1) == 0) {
Dries's avatar
   
Dries committed
849
850
851
      $error = t("Public registrations have been disabled by the site administrator.");
    }
    else {
Dries's avatar
   
Dries committed
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
      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
867
868
869
870
871
    }
  }

  if ($success) {

872
    $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
873
874
    $pass = user_password();

875
    // create new user account, noting whether administrator approval is required
876
877
878
    user_role_init();
    // TODO: is this necessary? Won't session_write replicate this?
    unset($edit["session"]);
879
    $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
880
    watchdog("user", "new user: '". $edit["name"] ."' &lt;". $edit["mail"] ."&gt;", l(t("edit user"), "admin/user/edit/$account->uid"));
Dries's avatar
   
Dries committed
881

Dries's avatar
   
Dries committed
882
    $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()));
883

Dries's avatar
   
Dries committed
884
    //the first user may login immediately, and receives a customized welcome e-mail.
885
    if ($account->uid == 1) {
Dries's avatar
   
Dries committed
886
      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");
887
      // 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
888
      $output .= "<p>Welcome to Drupal. You are user #1, which gives you full and immediate access.  All future registrants will receive their passwords via e-mail, so please configure your e-mail settings using the Administration pages.</p><p> Your password is <b>$pass</b>. You may change your password on the next page.</p><p>Please login below.</p>";
Dries's avatar
   
Dries committed
889
      $output .= form_hidden("destination", url("user/edit"));
890
      $output .= form_hidden("name", $account->name);
891
892
893
894
895
      $output .= form_hidden("pass", $pass);
      $output .= form_submit(t("Log in"));
      return form($output);
    }
    else {
896
897
898
899
900
      if ($account->status) {
        /*
        ** Create new user account, no administrator approval required:
        */

Dries's avatar
   
Dries committed
901
902
        $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")), $variables);
903
904
905
906
907
908
909
        user_mail($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
910
911
        $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")), $variables);
912
        user_mail($edit["mail"], $subject, $body, "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
Dries's avatar
   
Dries committed
913
        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
914
        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.");
915
      }
916
    }
Dries's avatar
   
Dries committed
917
918
919
  }
  else {
    if ($error) {
920
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
921
    }
922
  }
Dries's avatar
   
Dries committed
923

924
  // display the registration form
925
  $output .= variable_get("user_registration_help", "");
926
  $affiliates = user_auth_help_links();
Dries's avatar
   
Dries committed
927
  if (count($affiliates) > 0) {
928
    $affiliates = implode(", ", $affiliates);
Dries's avatar
   
Dries committed
929
    $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>";
930
  }
Dries's avatar
   
Dries committed
931
  $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."));
932
933
934
935
  $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
936
    }
Dries's avatar
   
Dries committed
937
  }
938
  $output .= form_submit(t("Create new account"));
939
  $items[] = l(t("Request new password"), "user/password");
Dries's avatar
   
Dries committed
940
941
  $items[] = l(t("Log in"), "user/login");
  $output .= theme("theme_item_list", $items);
Kjartan's avatar
Kjartan committed
942

943
  return form($output);
Dries's avatar
   
Dries committed
944
945
}

Kjartan's avatar
Kjartan committed
946
947

function user_delete() {
Dries's avatar
   
Dries committed
948
949
  global $user;

Kjartan's avatar
Kjartan committed
950
  $edit = $_POST["edit"];
951

Kjartan's avatar
Kjartan committed
952
  if ($edit["confirm"]) {
Dries's avatar
   
Dries committed
953
    watchdog("user","$user->name deactivated her own account.");
Dries's avatar
   
Dries committed
954
    db_query("UPDATE {users} SET mail = 'deleted', status = '0' WHERE uid = %d", $user->uid);
Kjartan's avatar
Kjartan committed
955
956
957
    $output .= t("Your account has been deactivated.");
  }
  else {
Dries's avatar
   
Dries committed
958
    $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
959
960
961
962
963
964
965
    $output .= form_hidden("confirm", 1);
    $output .= form_submit(t("Delete account"));
    $output = form($output);
  }
  return $output;
}

Dries's avatar
   
Dries committed
966
function user_edit($edit = array()) {
967
  global $user, $languages;
Dries's avatar
   
Dries committed
968
969
970
971
972
973
974
975
976

  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
977
      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
978
        $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
979
      }
Dries's avatar
   
Dries committed
980
      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
981
        $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
      }
      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
999
1000
1001
1002
1003
1004
        /*
        ** Validate input fields to make sure users don't submit
        ** invalid form data.
        */

        if (!user_access("administer users")) {
1005
           if (array_intersect(array_keys($edit), array("rid", "init", "session"))) {
Dries's avatar
   
Dries committed
1006
1007
1008
1009
1010
1011
1012
             watchdog("warning", "detected malicious attempt to alter a protected database field");
           }

           $edit["rid"] = $user->rid;
           $edit["init"] = $user->init;
           $edit["session"] = $user->session;
        }
1013

Dries's avatar
   
Dries committed
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
        /*
        ** 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
1032
1033
1034
1035
        if (!$error) {
          /*
          ** Save user information:
          */
Dries's avatar
   
Dries committed
1036

Dries's avatar
   
Dries committed
1037
          $user = user_save($user, array_merge($edit, $data));
Dries's avatar
   
Dries committed
1038

1039
          $output .= t("Your user information changes have been saved.");
Dries's avatar
   
Dries committed
1040
        }
Dries's avatar
   
Dries committed
1041
1042
1043
1044
      }
    }

    if ($error) {
1045
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
1046
1047
    }

Kjartan's avatar
Kjartan committed
1048
1049
1050
1051
    if (!$edit) {
      $edit = object2array($user);
    }