user.module 86.7 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
40
}

function sess_write($key, $value) {

Dries's avatar
   
Dries committed
41
  db_query("UPDATE {sessions} SET hostname = '%s', session = '%s', timestamp = %d WHERE sid = '$key'", $_SERVER["REMOTE_ADDR"], $value, time());
Dries's avatar
   
Dries committed
42

Dries's avatar
   
Dries committed
43
44
45
46
47
  return '';
}

function sess_destroy($key) {

Dries's avatar
   
Dries committed
48
49
  db_query("DELETE FROM {sessions} WHERE sid = '$key'");

Dries's avatar
   
Dries committed
50
51
52
}

function sess_gc($lifetime) {
Dries's avatar
   
Dries committed
53
54
55
56
57
58
59
60
61
62

  /*
  **  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
63
  return 1;
Dries's avatar
   
Dries committed
64

Dries's avatar
   
Dries committed
65
66
67
68
69
}

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

function user_external_load($authname) {
Dries's avatar
   
Dries committed
70
  $arr_uid = db_query("SELECT uid FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86

  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
87
88
  $query = "";

Dries's avatar
   
Dries committed
89
90
  foreach ($array as $key => $value) {
    if ($key == "pass") {
Kjartan's avatar
Kjartan committed
91
      $query .= "u.$key = '". md5($value) ."' AND ";
92
    }
Dries's avatar
   
Dries committed
93
    else {
Dries's avatar
   
Dries committed
94
      $query .= "u.$key = '". check_query($value) ."' AND ";
Dries's avatar
   
Dries committed
95
96
    }
  }
Dries's avatar
   
Dries committed
97
  $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
98
99

  $user = db_fetch_object($result);
Dries's avatar
   
Dries committed
100
  if ($user->data && $data = unserialize($user->data)) {
Dries's avatar
   
Dries committed
101
102
103
104
105
106
    foreach ($data as $key => $value) {
      if (!isset($user->$key)) {
        $user->$key = $value;
      }
    }
  }
Dries's avatar
   
Dries committed
107
108
109
110
111
112
113
114
115

  return $user;
}

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

Kjartan's avatar
Kjartan committed
116
  $user_fields = user_fields();
Dries's avatar
   
Dries committed
117
  if ($account->uid) {
Dries's avatar
   
Dries committed
118
    $data = unserialize(db_result(db_query("SELECT data FROM {users} WHERE uid = %d", $account->uid)));
Dries's avatar
   
Dries committed
119
120
    foreach ($array as $key => $value) {
      if ($key == "pass") {
Dries's avatar
   
Dries committed
121
122
        $query .= "$key = '%s', ";
        $v[] = md5($value);
Dries's avatar
   
Dries committed
123
124
      }
      else if (substr($key, 0, 4) !== "auth") {
Kjartan's avatar
Kjartan committed
125
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
126
127
          // escape '%'s:
          $value = str_replace("%", "%%", $value);
Dries's avatar
   
Dries committed
128
129
          $query .= "$key = '%s', ";
          $v[] = $value;
Dries's avatar
   
Dries committed
130
131
132
133
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
134
135
      }
    }
Dries's avatar
   
Dries committed
136
137
    $query .= "data = '%s', ";
    $v[] = serialize($data);
Dries's avatar
   
Dries committed
138

Dries's avatar
   
Dries committed
139
    db_query("UPDATE {users} SET $query timestamp = %d WHERE uid = %d", array_merge($v, array(time(), $account->uid)));
Dries's avatar
   
Dries committed
140
141
142
143
144
145
146
147
148

    $user = user_load(array("uid" => $account->uid));
  }
  else {
    $array["timestamp"] = time();

    foreach ($array as $key => $value) {
      if ($key == "pass") {
        $fields[] = check_query($key);
Dries's avatar
   
Dries committed
149
150
        $values[] = md5($value);
        $s[] = "'%s'";
Dries's avatar
   
Dries committed
151
152
      }
      else if (substr($key, 0, 4) !== "auth") {
Kjartan's avatar
Kjartan committed
153
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
154
          $fields[] = check_query($key);
Dries's avatar
   
Dries committed
155
156
          $values[] = $value;
          $s[] = "'%s'";
Dries's avatar
   
Dries committed
157
158
159
160
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
161
162
163
      }
    }

Dries's avatar
   
Dries committed
164
    $fields[] = "data";
Dries's avatar
   
Dries committed
165
166
    $values[] = serialize($data);
    $s[] = "'%s'";
Dries's avatar
   
Dries committed
167

Dries's avatar
   
Dries committed
168
    db_query("INSERT INTO {users} (". implode(", ", $fields) .") VALUES (". implode(", ", $s) .")", $values);
Dries's avatar
   
Dries committed
169
170
171
172
173
174
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

    $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
201
202
203
204
  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
205
  if (ereg("[^ a-zA-Z0-9@_\.\-]", $name)) return t("The username contains an illegal character.");
Dries's avatar
   
Dries committed
206
  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
207
  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
208
209
210
211
}

function user_validate_mail($mail) {

Dries's avatar
   
Dries committed
212
  if ($mail && !valid_email_address($mail)) {
Dries's avatar
   
Dries committed
213
    return t("The e-mail address '%mail' is not valid.", array("%mail" => $mail));
Dries's avatar
   
Dries committed
214
215
216
  }
}

217
function user_validate_authmap($account, $authname, $module) {
Dries's avatar
   
Dries committed
218
  $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid != %d AND authname = '%s'", $account->uid, $authname);
Dries's avatar
   
Dries committed
219
220
221
222
  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
223
224
}

Dries's avatar
   
Dries committed
225
function user_password($length = 10) {
Dries's avatar
   
Dries committed
226
227

  /*
Dries's avatar
   
Dries committed
228
  ** Generate a random alphanumeric password.
Dries's avatar
   
Dries committed
229
230
  */

Dries's avatar
   
Dries committed
231
232
233
234
235
236
237
238
239
  // 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
240
  mt_srand((double)microtime() * 1000000);
Dries's avatar
   
Dries committed
241
242
243
244
245
246
247
248
249
250
251
252
253

  // 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
254
255
256
257
258
259
260
}

function user_access($string) {

  global $user;
  static $perm;

Dries's avatar
   
Dries committed
261
262
263
264
  if ($user->uid == 1) {
    return 1;
  }

Dries's avatar
   
Dries committed
265
266
267
268
  /*
  ** To reduce the number of SQL queries, we cache the user's permissions
  ** in a static variable.
  */
Dries's avatar
   
Dries committed
269

Dries's avatar
   
Dries committed
270
  if (!$perm) {
Dries's avatar
   
Dries committed
271
    if ($user->uid) {
Dries's avatar
   
Dries committed
272
      $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
273
274
    }
    else {
Dries's avatar
   
Dries committed
275
      $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
276
277
278
    }
  }

Dries's avatar
   
Dries committed
279
  return strstr($perm, $string);
Dries's avatar
   
Dries committed
280
281
282
283
284
}

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

function user_deny($type, $mask) {

Dries's avatar
   
Dries committed
314
  $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
315

Dries's avatar
   
Dries committed
316
  $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
317
318
319
320
321
322
323
324
325

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

Dries's avatar
   
Dries committed
326
327
function user_fields() {
  static $fields;
Dries's avatar
   
Dries committed
328

Dries's avatar
   
Dries committed
329
  if (!$fields) {
Dries's avatar
   
Dries committed
330
    $result = db_query("SELECT * FROM {users} WHERE uid = 1");
Kjartan's avatar
Kjartan committed
331
332
333
    if (db_num_rows($result)) {
      $fields = array_keys(db_fetch_array($result));
    }
Dries's avatar
   
Dries committed
334
  }
Dries's avatar
   
Dries committed
335

Kjartan's avatar
Kjartan committed
336
  // Make sure we return the default fields at least
Dries's avatar
   
Dries committed
337
  return is_array($fields) ? $fields: array("uid", "name", "pass", "mail", "homepage", "mode", "sort", "threshold", "theme", "signature", "timestamp", "status", "timezone", "rating", "language", "init", "data", "rid");
Dries's avatar
   
Dries committed
338
339
}

Dries's avatar
   
Dries committed
340
341
342
343
344
345
346
/*** Module hooks **********************************************************/

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

function user_search($keys) {
Dries's avatar
   
Dries committed
347

Dries's avatar
   
Dries committed
348
  $result = db_query_range("SELECT * FROM {users} WHERE name LIKE '%$keys%'", 0, 20);
Dries's avatar
   
Dries committed
349
  while ($account = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
350
    $find[$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
351
352
353
354
  }
  return $find;
}

Dries's avatar
   
Dries committed
355
function user_block($op = "list", $delta = 0) {
Dries's avatar
   
Dries committed
356
357
358
  global $user;

  $edit = $_POST["edit"];
359

Dries's avatar
   
Dries committed
360
  if ($op == "list") {
Dries's avatar
   
Dries committed
361
     $blocks[0]["info"] = t("User login");
362
363
     $blocks[1]["info"] = t("User information");
     $blocks[2]["info"] = t("Who's new");
364

365
     return $blocks;
366
367
  }
  else {
Dries's avatar
   
Dries committed
368
369
370
    switch ($delta) {
      case 0:
        if (!$user->uid) {
Dries's avatar
   
Dries committed
371
372
373
374
375
376
377
378
379
          /*
          ** 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
380
381
          $output = "<div class=\"user-login-block\">\n";

382
          /*
Dries's avatar
Dries committed
383
384
          ** Save the referer.  We record where the user came from such
          ** that we/ can redirect him after having completed the login
385
386
          ** form.
          */
Dries's avatar
Dries committed
387

388
          if (empty($edit)) {
Dries's avatar
   
Dries committed
389
            $edit["destination"] = url($_GET["q"]);
390
391
          }
          // 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
392

Dries's avatar
   
Dries committed
393
394
395
          $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
396
397

          if (variable_get("user_remember", 0) == 0) {
Dries's avatar
   
Dries committed
398
            $form .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
399
400
          }
          elseif (variable_get("user_remember", 1) == 1) {
Dries's avatar
   
Dries committed
401
            $form .= form_hidden("remember_me", 1);
Dries's avatar
   
Dries committed
402
          }
403

Dries's avatar
   
Dries committed
404
405
406
407
408
          $form .= form_submit(t("Log in"));

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

          $output .= "</div>\n";
Dries's avatar
   
Dries committed
409

Dries's avatar
   
Dries committed
410
          if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
411
            $items[] = l(t("Create new account"), "user/register", array("title" => t("Create a new user account.")));
Dries's avatar
   
Dries committed
412
          }
Dries's avatar
   
Dries committed
413
          $items[] = l(t("Request new password"), "user/password", array("title" => t("Request new password via e-mail.")));
Dries's avatar
   
Dries committed
414

415
          $output .= theme("theme_item_list", $items);
416

Dries's avatar
   
Dries committed
417
          $block["subject"] = t("User login");
Dries's avatar
   
Dries committed
418
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
   
Dries committed
419
420
421
422
423
          return $block;
        }
        break;
      case 1:
        if ($user->uid) {
Dries's avatar
   
Dries committed
424
          $output = "<div class=\"user-information-block\">\n";
Dries's avatar
   
Dries committed
425
426
427
428
          $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
429
          $output .= "</div>\n";
430

Dries's avatar
   
Dries committed
431
          $block["subject"] = $user->name;
Dries's avatar
   
Dries committed
432
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
   
Dries committed
433
434
435
436
          return $block;
        }
        break;
      case 2:
437
438
439
440
441
        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
442

443
          $output = theme("theme_user_list", $items);
Dries's avatar
   
Dries committed
444

445
446
447
448
          $block["subject"] = t("Who's new");
          $block["content"] = $output;
          return $block;
        }
Dries's avatar
   
Dries committed
449
450
    }
  }
451
452
}

Dries's avatar
   
Dries committed
453
function theme_user_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
454
455
456
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
457
function theme_menu_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
458
459
460
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
461
function user_link($type) {
Dries's avatar
   
Dries committed
462
463
464

  $links = array();

Dries's avatar
   
Dries committed
465
  if ($type == "page") {
Dries's avatar
   
Dries committed
466
    $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
467
468
  }

Dries's avatar
   
Dries committed
469
  if ($type == "menu.settings") {
Dries's avatar
   
Dries committed
470
    $links[] = l(t("edit account"), "user/edit", array("title" => t("View and edit your account information.")));
Dries's avatar
   
Dries committed
471
472
473
474
  }

  if ($type == "menu.misc") {
    if (user_access("access administration pages")) {
Dries's avatar
   
Dries committed
475
      $links[] = l(t("administer %a", array("%a" => variable_get("site_name", "drupal"))), "admin", array("title" => t("Access administration pages.")));
Dries's avatar
   
Dries committed
476
477
    }

Dries's avatar
   
Dries committed
478
    $links[] = l(t("logout"), "user/logout", array("title" => t("Logout.")));
Dries's avatar
   
Dries committed
479
480
481
  }

  if ($type == "admin" && user_access("administer users")) {
Dries's avatar
   
Dries committed
482
483
484
485
486
487
488
489
490
    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
491
492
    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
493
494
495
    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
496
497
498

    $i = 3;
    foreach (user_roles(1) as $key => $value) {
Dries's avatar
   
Dries committed
499
      menu("admin/user/account/". $i++, "users with role '$value'", "user_admin", NULL, 4);
Dries's avatar
   
Dries committed
500
    }
Dries's avatar
   
Dries committed
501
502
  }

Dries's avatar
   
Dries committed
503
  return $links;
Dries's avatar
   
Dries committed
504
505
506
507
}

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

508
function user_get_authname($account, $module) {
Dries's avatar
   
Dries committed
509
510

  /*
511
  **  Called by authentication modules in order to edit/view their authmap information.
Dries's avatar
   
Dries committed
512
513
  */

Dries's avatar
   
Dries committed
514
  $result = db_query("SELECT authname FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module);
515
516
517
  return db_result($result);
}

Dries's avatar
   
Dries committed
518

519
520
521
522
523
524
525
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
526
  $result = db_query("SELECT authname, module FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
  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
542
      $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
543
      if (db_result($result) == 0) {
Dries's avatar
   
Dries committed
544
        $result = db_query("INSERT INTO {authmap} (authname, uid, module) VALUES ('%s', %d, '%s')", $value, $account->uid, $module[1]);
Dries's avatar
   
Dries committed
545
546
      }
      else {
Dries's avatar
   
Dries committed
547
        $result = db_query("UPDATE {authmap} SET authname = '%s' WHERE uid = %d AND module = '%s'", $value, $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
548
549
550
      }
    }
    else {
Dries's avatar
   
Dries committed
551
      $result = db_query("DELETE FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
552
553
554
555
556
557
    }
  }
  return $result;
}

function user_auth_help_links() {
558
  $links = array();
Dries's avatar
   
Dries committed
559
560
  foreach (module_list() as $module) {
    if (module_hook($module, "auth_help")) {
Dries's avatar
   
Dries committed
561
      $links[] = l(module_invoke($module, "info", "name"), "user/help#$module");
Dries's avatar
   
Dries committed
562
563
564
565
566
567
568
    }
  }
  return $links;
}

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

Dries's avatar
   
Dries committed
569
function user_login($edit = array(), $msg = "") {
Dries's avatar
   
Dries committed
570
  global $user, $base_url;
Dries's avatar
   
Dries committed
571
572
573
574
575
576

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

  if ($user->uid) {
Dries's avatar
   
Dries committed
577
    drupal_goto(url("user"));
Dries's avatar
   
Dries committed
578
579
580
  }

  if (user_deny("user", $edit["name"])) {
Dries's avatar
   
Dries committed
581
    $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
582
583
584
585
  }
  else if ($edit["name"] && $edit["pass"]) {

    /*
Dries's avatar
   
Dries committed
586
    ** Try to log in the user locally:
Dries's avatar
   
Dries committed
587
588
589
    */

    if (!$user) {
590
591
      $name = $edit["name"];
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
592
593
594
595
596
597
598
599
      $user = user_load(array("name" => $name, "pass" => $pass, "status" => 1));
    }

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

    if ($server = strrchr($edit["name"], "@")) {
600
601
602
      $name = substr($edit["name"], 0, strlen($edit["name"]) - strlen($server));
      $server = substr($server, 1);
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
603
    }
Dries's avatar
   
Dries committed
604

Dries's avatar
   
Dries committed
605
606
607
608
    /*
    ** When possible, determine corrosponding external auth source. Invoke source, and login user if successful:
    */

609
    if (!$user && $server && $result = user_get_authmaps("$name@$server")) {
Dries's avatar
   
Dries committed
610
611
      if (module_invoke(key($result), "auth", $name, $pass, $server)) {
        $user = user_external_load("$name@$server");
Dries's avatar
   
Dries committed
612
        watchdog("user", "external load: $name@$server, module: ". key($result));
Dries's avatar
   
Dries committed
613
614
      }
      else {
Dries's avatar
   
Dries committed
615
        $error = t("Invalid password for %s.", array("%s" => "<i>$name@$server</i>"));
Dries's avatar
   
Dries committed
616
617
618
619
620
621
622
623
624
625
626
627
      }
    }

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

    else if (!$user && $server) {
      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
628
              $user = user_save("", array("name" => "$name@$server", "pass" => user_password(), "init" => "$name@$server", "status" => 1, "authname_$module" => "$name@$server", "rid" => _user_authenticated_id()));
Dries's avatar
   
Dries committed
629
              watchdog("user", "new user: $name@$server ($module ID)", l(t("edit user"), "admin/user/edit/$user->uid"));
Dries's avatar
   
Dries committed
630
631
632
633
634
635
636
637
638
639
640
641
              break;
            }
          }
        }
      }
    }

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

      /*
      ** Write session ID to database:
Dries's avatar
   
Dries committed
642
643
      **  (TODO: Currently we only save the session if a user is logged in.
      **   we should also add support for anonymous user sessions.)
Dries's avatar
   
Dries committed
644
645
      */

Dries's avatar
   
Dries committed
646
647
      if ($user->uid) {
        // update the user's session if it already exists
Dries's avatar
   
Dries committed
648
        db_query("UPDATE {sessions} SET timestamp = '%d' WHERE sid = '%s'", time(), session_id());
Dries's avatar
   
Dries committed
649
650
651

        // if no changes, this is a new session to be added
        if (!db_affected_rows()) {
Dries's avatar
   
Dries committed
652
          db_query("INSERT INTO {sessions} (uid, sid, hostname, timestamp) values(%d, '%s', '%s', %d)", $user->uid, session_id(), $_SERVER["REMOTE_ADDR"], time());
Dries's avatar
   
Dries committed
653
654
655
        }

        // also update the user table timestamp noting user has logged in
Dries's avatar
   
Dries committed
656
        db_query("UPDATE {users} SET timestamp = '%d' WHERE uid = '%s'", time(), $user->uid);
Dries's avatar
   
Dries committed
657
      }
Dries's avatar
   
Dries committed
658
659
660
661
662
663

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

Dries's avatar
   
Dries committed
664
      $path = preg_replace("/.+\/\/[^\/]+(.*)/", "\$1/", $base_url);
Dries's avatar
   
Dries committed
665
      if ($edit["remember_me"]) {
Dries's avatar
   
Dries committed
666
        setcookie(session_name(), session_id(), time() + 3600 * 24 * 365, $path);
Dries's avatar
   
Dries committed
667
      }
Dries's avatar
   
Dries committed
668
      else {
Dries's avatar
   
Dries committed
669
        setcookie(session_name(), session_id(), FALSE, $path);
Dries's avatar
   
Dries committed
670
671
672
      }

      /*
Dries's avatar
   
Dries committed
673
      ** Redirect the user to the page he logged on from.
Dries's avatar
   
Dries committed
674
675
      */

Dries's avatar
   
Dries committed
676
      drupal_goto($edit["destination"]);
Dries's avatar
   
Dries committed
677
678
679
    }
    else {
      if (!$error) {
Dries's avatar
   
Dries committed
680
        $error = t("Sorry.  Unrecognized username or password.") ." ". l(t("Have you forgotten your password?"), "user/password");
Dries's avatar
   
Dries committed
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
      }
      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) {
696
    $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
697
698
  }

Dries's avatar
   
Dries committed
699
700
701
702
703
  /*
  ** Save the referer.  We record where the user came from such that we
  ** can redirect him after having completed the login form.
  */

704
  if (empty($edit)) {
Dries's avatar
   
Dries committed
705
    $edit["destination"] = url($_GET["q"]);
Dries's avatar
   
Dries committed
706
707
708
  }
  $output .= form_hidden("destination", $edit["destination"]);

Dries's avatar
   
Dries committed
709
710
711
712
  /*
  ** Display login form:
  */

Dries's avatar
   
Dries committed
713
714
715
  if ($msg) {
    $output .= "<p>$msg</p>";
  }
Dries's avatar
   
Dries committed
716
  if (count(user_auth_help_links()) > 0) {
Dries's avatar
   
Dries committed
717
    $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
718
719
  }
  else {
Dries's avatar
   
Dries committed
720
    $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
721
  }
Dries's avatar
   
Dries committed
722
  $output .= form_password(t("Password"), "pass", $pass, 30, 64, t("Enter the password that accompanies your username."));
723
  $output .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
724
  $output .= form_submit(t("Log in"));
Dries's avatar
   
Dries committed
725
  $items[] = l(t("Request new password"), "user/password");
726
  if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
727
    $items[] = l(t("Create new account"), "user/register");
728
  }
Dries's avatar
   
Dries committed
729
  $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
730

Dries's avatar
   
Dries committed
731
  return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
732
733
}

734
function _user_authenticated_id() {
Dries's avatar
   
Dries committed
735
  return db_result(db_query("SELECT rid FROM {role} WHERE name = 'authenticated user'"));
736
737
}

Dries's avatar
   
Dries committed
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
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
756
  drupal_goto(url());
Dries's avatar
   
Dries committed
757
758
759
760
761

}

function user_pass($edit = array()) {

Dries's avatar
   
Dries committed
762
763
  global $base_url;

Kjartan's avatar
Kjartan committed
764
  if ($edit["name"]) {
Dries's avatar
   
Dries committed
765
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE name = '%s'", $edit["name"]));
Dries's avatar
   
Dries committed
766
    if (!$account) $error = t("Sorry. The username <i>%s</i> is not recognized.", array("%s" => $edit["name"]));
767
  }
Kjartan's avatar
Kjartan committed
768
  else if ($edit["mail"]) {
Dries's avatar
   
Dries committed
769
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE mail = '%s'", $edit["mail"]));
Dries's avatar
   
Dries committed
770
    if (!$account) $error = t("Sorry. The e-mail address <i>%s</i> is not recognized.", array("%s" => $edit["mail"]));
Kjartan's avatar
Kjartan committed
771
772
  }
  if ($account) {
Dries's avatar
   
Dries committed
773

774
      $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
775
776
777
778
779
780
781
782
783
784
785
786
      $pass = user_password();

      /*
      ** Save new password:
      */

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

      /*
      ** Mail new password:
      */

Dries's avatar
   
Dries committed
787
      $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
788
789
      $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);
790
      $headers = "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from";
Dries's avatar
   
Dries committed
791
      $mail_success = user_mail($account->mail, $subject, $body, $headers);
Dries's avatar
   
Dries committed
792

Dries's avatar
   
Dries committed
793
794
795
796
797
798
799
800
      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
801
802
    }
    else {
803

Kjartan's avatar
Kjartan committed
804
805
    // Display error message if necessary.
    if ($error) {
806
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
807
808
809
810
811
812
    }

    /*
    ** Display form:
    */

Dries's avatar
   
Dries committed
813
    $output .= "<p>". sprintf(t("Enter your username %sor%s your e-mail address."), "<b><i>", "</i></b>") ."</p>";
Dries's avatar
   
Dries committed
814
815
816
    $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
817
    $items[] = l(t("Log in"), "user/login");
818
    if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
819
      $items[] = l(t("Create new account"), "user/register");
820
    }
Dries's avatar
   
Dries committed
821
    $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
822

Dries's avatar
   
Dries committed
823
    return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
824
825
826
827
  }
}

function user_register($edit = array()) {
Dries's avatar
   
Dries committed
828
  global $user, $base_url;
829

Dries's avatar
   
Dries committed
830
  $edit = $_POST["edit"];
831
832
833
834
835
  /*
  ** If we are already logged on, go to the user page instead.
  */

  if ($user->uid) {
Dries's avatar
   
Dries committed
836
    drupal_goto(url("user/edit"));
837
  }
Dries's avatar
   
Dries committed
838
839
840
841
842
843
844
845
846

  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
847
      $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
848
849
    }
    else if (user_deny("mail", $edit["mail"])) {
Dries's avatar
   
Dries committed
850
      $error = t("The e-mail address '%s' has been denied access.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
851
    }
Dries's avatar
   
Dries committed
852
    else if (db_num_rows(db_query("SELECT name FROM {users} WHERE LOWER(name) = LOWER('%s')", $edit["name"])) > 0) {
Dries's avatar
   
Dries committed
853
      $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
854
    }
Dries's avatar
   
Dries committed
855
    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
856
      $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
857
    }
Dries's avatar
   
Dries committed
858
    else if (variable_get("user_register", 1) == 0) {
Dries's avatar
   
Dries committed
859
860
861
      $error = t("Public registrations have been disabled by the site administrator.");
    }
    else {
Dries's avatar
   
Dries committed
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
      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
877
878
879
880
881
    }
  }

  if ($success) {

882
    $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
883
884
    $pass = user_password();

885
    // create new user account, noting whether administrator approval is required
886
887
888
889
    user_role_init();
    // TODO: is this necessary? Won't session_write replicate this?
    unset($edit["session"]);
    $account = user_save("", array_merge(array("name" => $edit["name"], "pass" => $pass, "init" => $edit["mail"], "mail" => $edit["mail"], "rid" => _user_authenticated_id(), "rating" => 0, "status" => (variable_get("user_register", 1) == 1 ? 1 : 0)), $data));
Dries's avatar
   
Dries committed
890
    watchdog("user", "new user: '". $edit["name"] ."' &lt;". $edit["mail"] ."&gt;", l(t("edit user"), "admin/user/edit/$account->uid"));
Dries's avatar
   
Dries committed
891

Dries's avatar
   
Dries committed
892
    $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()));
893

Dries's avatar
   
Dries committed
894
    //the first user may login immediately, and receives a customized welcome e-mail.
895
    if ($account->uid == 1) {
Dries's avatar
   
Dries committed
896
      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");
897
      // 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
898
      $output .= "<p>Welcome to Drupal. You are user #1, which gives you full and immediate access.  All future registrants will receive their passwords via e-mail, so please configure your e-mail settings using the Administration pages.</p><p> Your password is <b>$pass</b>. You may change your password on the next page.</p><p>Please login below.</p>";
Dries's avatar
   
Dries committed
899
      $output .= form_hidden("destination", url("user/edit"));
900
      $output .= form_hidden("name", $account->name);
901
902
903
904
905
      $output .= form_hidden("pass", $pass);
      $output .= form_submit(t("Log in"));
      return form($output);
    }
    else {
906
907
908
909
910
      if ($account->status) {
        /*
        ** Create new user account, no administrator approval required:
        */

Dries's avatar
   
Dries committed
911
912
        $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")), $variables);
913
914
915
916
917
918
919
        user_mail($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
920
921
        $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")), $variables);
922
        user_mail($edit["mail"], $subject, $body, "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
Dries's avatar
   
Dries committed
923
        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
924
        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.");
925
      }
926
    }
Dries's avatar
   
Dries committed
927
928
929
  }
  else {
    if ($error) {
930
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
931
    }
932
  }
Dries's avatar
   
Dries committed
933

934
  // display the registration form
935
  $output .= variable_get("user_registration_help", "");
936
  $affiliates = user_auth_help_links();
Dries's avatar
   
Dries committed
937
  if (count($affiliates) > 0) {
938
    $affiliates = implode(", ", $affiliates);
Dries's avatar
   
Dries committed
939
    $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>";
940
  }
Dries's avatar
   
Dries committed
941
  $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."));
942
943
944
945
  $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
946
    }
Dries's avatar
   
Dries committed
947
  }
948
  $output .= form_submit(t("Create new account"));
949
  $items[] = l(t("Request new password"), "user/password");
Dries's avatar
   
Dries committed
950
951
  $items[] = l(t("Log in"), "user/login");
  $output .= theme("theme_item_list", $items);
Kjartan's avatar
Kjartan committed
952

953
  return form($output);
Dries's avatar
   
Dries committed
954
955
}

Kjartan's avatar
Kjartan committed
956
957

function user_delete() {
Dries's avatar
   
Dries committed
958
959
  global $user;

Kjartan's avatar
Kjartan committed
960
  $edit = $_POST["edit"];
961

Kjartan's avatar
Kjartan committed
962
  if ($edit["confirm"]) {
Dries's avatar
   
Dries committed
963
    watchdog("user","$user->name deactivated her own account.");
Dries's avatar
   
Dries committed
964
    db_query("UPDATE {users} SET mail = 'deleted', status = '0' WHERE uid = %d", $user->uid);
Kjartan's avatar
Kjartan committed
965
966
967
    $output .= t("Your account has been deactivated.");
  }
  else {
Dries's avatar
   
Dries committed
968
    $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
969
970
971
972
973
974
975
    $output .= form_hidden("confirm", 1);
    $output .= form_submit(t("Delete account"));
    $output = form($output);
  }
  return $output;
}

Dries's avatar
   
Dries committed
976
function user_edit($edit = array()) {
977
  global $user, $languages;
Dries's avatar
   
Dries committed
978
979
980
981
982
983
984
985
986

  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
987
      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
988
        $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
989
      }
Dries's avatar
   
Dries committed
990
      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
991
        $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
      }
      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
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
        /*
        ** Validate input fields to make sure users don't submit
        ** invalid form data.
        */

        if (!user_access("administer users")) {
           if (array_intersect(array_keys($edit), array("rid", "init", "rating", "session"))) {
             watchdog("warning", "detected malicious attempt to alter a protected database field");
           }

           $edit["rid"] = $user->rid;
           $edit["init"] = $user->init;
           $edit["rating"] = $user->rating;
           $edit["session"] = $user->session;
        }
1024

Dries's avatar
   
Dries committed
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
        /*
        ** 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
1043
1044
1045
1046
        if (!$error) {
          /*
          ** Save user information:
          */
Dries's avatar
   
Dries committed
1047

Dries's avatar
   
Dries committed
1048
          $user = user_save($user, array_merge($edit, $data));
Dries's avatar
   
Dries committed
1049

1050
          $output .= t("Your user information changes have been saved.");
Dries's avatar
   
Dries committed
1051
        }
Dries's avatar
   
Dries committed
1052
1053
1054
1055
      }
    }

    if ($error) {
1056
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
1057
1058
    }

Kjartan's avatar
Kjartan committed
1059
1060
1061
1062
    if (!$edit) {
      $edit = object2array($user);