user.module 85.1 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
25
26
/*** Session functions *****************************************************/

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

function sess_close() {
  return 1;
}

function sess_read($key) {
  global $user;
  $user = user_load(array("sid" => $key, "status" => 1));

27
  return !empty($user->session) ? $user->session : '';
Dries's avatar
   
Dries committed
28
29
30
31
}

function sess_write($key, $value) {

Dries's avatar
   
Dries committed
32
  db_query("UPDATE {users} SET hostname = '%s', session = '%s', timestamp = %d WHERE sid = '$key'", $_SERVER["REMOTE_ADDR"], $value, time());
Dries's avatar
   
Dries committed
33

Dries's avatar
   
Dries committed
34
35
36
37
38
  return '';
}

function sess_destroy($key) {

Dries's avatar
   
Dries committed
39
  db_query("UPDATE {users} SET hostname = '%s', timestamp = %d, sid = '' WHERE sid = '$key'", $_SERVER["REMOTE_ADDR"], time());
Dries's avatar
   
Dries committed
40
41
42
43
44
45
46
47
48
}

function sess_gc($lifetime) {
  return 1;
}

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

function user_external_load($authname) {
Dries's avatar
   
Dries committed
49
  $arr_uid = db_query("SELECT uid FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65

  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
66
67
  $query = "";

Dries's avatar
   
Dries committed
68
69
  foreach ($array as $key => $value) {
    if ($key == "pass") {
Kjartan's avatar
Kjartan committed
70
      $query .= "u.$key = '". md5($value) ."' AND ";
71
    }
Dries's avatar
   
Dries committed
72
    else {
Dries's avatar
   
Dries committed
73
      $query .= "u.$key = '". check_query($value) ."' AND ";
Dries's avatar
   
Dries committed
74
75
    }
  }
Dries's avatar
   
Dries committed
76
  $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
77
78

  $user = db_fetch_object($result);
Dries's avatar
   
Dries committed
79
  if ($user->data && $data = unserialize($user->data)) {
Dries's avatar
   
Dries committed
80
81
82
83
84
85
    foreach ($data as $key => $value) {
      if (!isset($user->$key)) {
        $user->$key = $value;
      }
    }
  }
Dries's avatar
   
Dries committed
86
87
88
89
90
91
92
93
94

  return $user;
}

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

Kjartan's avatar
Kjartan committed
95
  $user_fields = user_fields();
Dries's avatar
   
Dries committed
96
  if ($account->uid) {
Dries's avatar
   
Dries committed
97
    $data = unserialize(db_result(db_query("SELECT data FROM {users} WHERE uid = %d", $account->uid)));
Dries's avatar
   
Dries committed
98
99
    foreach ($array as $key => $value) {
      if ($key == "pass") {
Dries's avatar
   
Dries committed
100
101
        $query .= "$key = '%s', ";
        $v[] = md5($value);
Dries's avatar
   
Dries committed
102
103
      }
      else if (substr($key, 0, 4) !== "auth") {
Kjartan's avatar
Kjartan committed
104
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
105
106
          // escape '%'s:
          $value = str_replace("%", "%%", $value);
Dries's avatar
   
Dries committed
107
108
          $query .= "$key = '%s', ";
          $v[] = $value;
Dries's avatar
   
Dries committed
109
110
111
112
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
113
114
      }
    }
Dries's avatar
   
Dries committed
115
116
    $query .= "data = '%s', ";
    $v[] = serialize($data);
Dries's avatar
   
Dries committed
117

Dries's avatar
   
Dries committed
118
    db_query("UPDATE {users} SET $query timestamp = %d WHERE uid = %d", array_merge($v, array(time(), $account->uid)));
Dries's avatar
   
Dries committed
119
120
121
122
123
124
125
126
127

    $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
128
129
        $values[] = md5($value);
        $s[] = "'%s'";
Dries's avatar
   
Dries committed
130
131
      }
      else if (substr($key, 0, 4) !== "auth") {
Kjartan's avatar
Kjartan committed
132
        if (in_array($key, $user_fields)) {
Dries's avatar
   
Dries committed
133
          $fields[] = check_query($key);
Dries's avatar
   
Dries committed
134
135
          $values[] = $value;
          $s[] = "'%s'";
Dries's avatar
   
Dries committed
136
137
138
139
        }
        else {
          $data[$key] = $value;
        }
Dries's avatar
   
Dries committed
140
141
142
      }
    }

Dries's avatar
   
Dries committed
143
    $fields[] = "data";
Dries's avatar
   
Dries committed
144
145
    $values[] = serialize($data);
    $s[] = "'%s'";
Dries's avatar
   
Dries committed
146

Dries's avatar
   
Dries committed
147
    db_query("INSERT INTO {users} (". implode(", ", $fields) .") VALUES (". implode(", ", $s) .")", $values);
Dries's avatar
   
Dries committed
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179

    $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
180
181
182
183
  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
184
  if (ereg("[^ a-zA-Z0-9@_\.\-]", $name)) return t("The username contains an illegal character.");
Dries's avatar
   
Dries committed
185
  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
186
  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
187
188
189
190
}

function user_validate_mail($mail) {

Dries's avatar
   
Dries committed
191
  if ($mail && !valid_email_address($mail)) {
Dries's avatar
   
Dries committed
192
    return t("The e-mail address '%mail' is not valid.", array("%mail" => $mail));
Dries's avatar
   
Dries committed
193
194
195
  }
}

196
function user_validate_authmap($account, $authname, $module) {
Dries's avatar
   
Dries committed
197
  $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid != %d AND authname = '%s'", $account->uid, $authname);
Dries's avatar
   
Dries committed
198
199
200
201
  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
202
203
}

Dries's avatar
   
Dries committed
204
function user_password($length = 10) {
Dries's avatar
   
Dries committed
205
206

  /*
Dries's avatar
   
Dries committed
207
  ** Generate a random alphanumeric password.
Dries's avatar
   
Dries committed
208
209
  */

Dries's avatar
   
Dries committed
210
211
212
213
214
215
216
217
218
  // 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
219
  mt_srand((double)microtime() * 1000000);
Dries's avatar
   
Dries committed
220
221
222
223
224
225
226
227
228
229
230
231
232

  // 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
233
234
235
236
237
238
239
}

function user_access($string) {

  global $user;
  static $perm;

Dries's avatar
   
Dries committed
240
241
242
243
  if ($user->uid == 1) {
    return 1;
  }

Dries's avatar
   
Dries committed
244
245
246
247
  /*
  ** To reduce the number of SQL queries, we cache the user's permissions
  ** in a static variable.
  */
Dries's avatar
   
Dries committed
248

Dries's avatar
   
Dries committed
249
  if (!$perm) {
Dries's avatar
   
Dries committed
250
    if ($user->uid) {
Dries's avatar
   
Dries committed
251
      $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
252
253
    }
    else {
Dries's avatar
   
Dries committed
254
      $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
255
256
257
    }
  }

Dries's avatar
   
Dries committed
258
  return strstr($perm, $string);
Dries's avatar
   
Dries committed
259
260
261
262
263
}

function user_mail($mail, $subject, $message, $header) {
  if (variable_get("smtp_library", "") && file_exists(variable_get("smtp_library", ""))) {
    include_once variable_get("smtp_library", "");
264
    return user_mail_wrapper($mail, $subject, $message, $header);
Dries's avatar
   
Dries committed
265
266
  }
  else {
267
268
269
270
271
272
273
    /*
    ** 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
274
275
276
277
278
279
280
281
282
283
284
285
    **
    ** 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
    **
286
287
    */
    return mail($mail, $subject, str_replace("\r", "", $message), $header);
Dries's avatar
   
Dries committed
288
289
290
291
292
  }
}

function user_deny($type, $mask) {

Dries's avatar
   
Dries committed
293
  $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
294

Dries's avatar
   
Dries committed
295
  $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
296
297
298
299
300
301
302
303
304

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

Dries's avatar
   
Dries committed
305
306
function user_fields() {
  static $fields;
Dries's avatar
   
Dries committed
307

Dries's avatar
   
Dries committed
308
  if (!$fields) {
Dries's avatar
   
Dries committed
309
    $result = db_query("SELECT * FROM {users} WHERE uid = 1");
Kjartan's avatar
Kjartan committed
310
311
312
    if (db_num_rows($result)) {
      $fields = array_keys(db_fetch_array($result));
    }
Dries's avatar
   
Dries committed
313
  }
Dries's avatar
   
Dries committed
314

Kjartan's avatar
Kjartan committed
315
316
  // Make sure we return the default fields at least
  return is_array($fields) ? $fields: array("uid", "name", "pass", "mail", "homepage", "mode", "sort", "threshold", "theme", "signature", "timestamp", "hostname", "status", "timezone", "rating", "language", "sid", "init", "session", "data", "rid");
Dries's avatar
   
Dries committed
317
318
}

Dries's avatar
   
Dries committed
319
320
321
322
323
324
325
/*** Module hooks **********************************************************/

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

function user_search($keys) {
Dries's avatar
   
Dries committed
326

Dries's avatar
   
Dries committed
327
  $result = db_query_range("SELECT * FROM {users} WHERE name LIKE '%$keys%'", 0, 20);
Dries's avatar
   
Dries committed
328
  while ($account = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
329
    $find[$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
330
331
332
333
  }
  return $find;
}

Dries's avatar
   
Dries committed
334
function user_block($op = "list", $delta = 0) {
Dries's avatar
   
Dries committed
335
336
337
  global $user;

  $edit = $_POST["edit"];
338

Dries's avatar
   
Dries committed
339
  if ($op == "list") {
Dries's avatar
   
Dries committed
340
     $blocks[0]["info"] = t("User login");
341
342
     $blocks[1]["info"] = t("User information");
     $blocks[2]["info"] = t("Who's new");
343

344
     return $blocks;
345
346
  }
  else {
Dries's avatar
   
Dries committed
347
348
349
    switch ($delta) {
      case 0:
        if (!$user->uid) {
Dries's avatar
   
Dries committed
350
351
352
353
354
355
356
357
358
          /*
          ** 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
359
360
          $output = "<div class=\"user-login-block\">\n";

361
          /*
Dries's avatar
Dries committed
362
363
          ** Save the referer.  We record where the user came from such
          ** that we/ can redirect him after having completed the login
364
365
          ** form.
          */
Dries's avatar
Dries committed
366

367
          if (empty($edit)) {
Dries's avatar
   
Dries committed
368
            $edit["destination"] = url($_GET["q"]);
369
370
          }
          // 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
371

Dries's avatar
   
Dries committed
372
373
374
          $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
375
376

          if (variable_get("user_remember", 0) == 0) {
Dries's avatar
   
Dries committed
377
            $form .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
378
379
          }
          elseif (variable_get("user_remember", 1) == 1) {
Dries's avatar
   
Dries committed
380
            $form .= form_hidden("remember_me", 1);
Dries's avatar
   
Dries committed
381
          }
382

Dries's avatar
   
Dries committed
383
384
385
386
387
          $form .= form_submit(t("Log in"));

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

          $output .= "</div>\n";
Dries's avatar
   
Dries committed
388

Dries's avatar
   
Dries committed
389
          if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
390
            $items[] = l(t("Create new account"), "user/register", array("title" => t("Create a new user account.")));
Dries's avatar
   
Dries committed
391
          }
Dries's avatar
   
Dries committed
392
          $items[] = l(t("Request new password"), "user/password", array("title" => t("Request new password via e-mail.")));
Dries's avatar
   
Dries committed
393

394
          $output .= theme("theme_item_list", $items);
395

Dries's avatar
   
Dries committed
396
          $block["subject"] = t("User login");
Dries's avatar
   
Dries committed
397
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
   
Dries committed
398
399
400
401
402
          return $block;
        }
        break;
      case 1:
        if ($user->uid) {
Dries's avatar
   
Dries committed
403
          $output = "<div class=\"user-information-block\">\n";
Dries's avatar
   
Dries committed
404
405
406
407
          $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
408
          $output .= "</div>\n";
409

Dries's avatar
   
Dries committed
410
          $block["subject"] = $user->name;
Dries's avatar
   
Dries committed
411
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
   
Dries committed
412
413
414
415
          return $block;
        }
        break;
      case 2:
416
417
418
419
420
        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
421

422
          $output = theme("theme_user_list", $items);
Dries's avatar
   
Dries committed
423

424
425
426
427
          $block["subject"] = t("Who's new");
          $block["content"] = $output;
          return $block;
        }
Dries's avatar
   
Dries committed
428
429
    }
  }
430
431
}

Dries's avatar
   
Dries committed
432
function theme_user_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
433
434
435
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
436
function theme_menu_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
437
438
439
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
   
Dries committed
440
function user_link($type) {
Dries's avatar
   
Dries committed
441
442
443

  $links = array();

Dries's avatar
   
Dries committed
444
  if ($type == "page") {
Dries's avatar
   
Dries committed
445
    $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
446
447
  }

Dries's avatar
   
Dries committed
448
  if ($type == "menu.settings") {
Dries's avatar
   
Dries committed
449
    $links[] = l(t("edit account"), "user/edit", array("title" => t("View and edit your account information.")));
Dries's avatar
   
Dries committed
450
451
452
453
  }

  if ($type == "menu.misc") {
    if (user_access("access administration pages")) {
Dries's avatar
   
Dries committed
454
      $links[] = l(t("administer %a", array("%a" => variable_get("site_name", "drupal"))), "admin", array("title" => t("Access administration pages.")));
Dries's avatar
   
Dries committed
455
456
    }

Dries's avatar
   
Dries committed
457
    $links[] = l(t("logout"), "user/logout", array("title" => t("Logout.")));
Dries's avatar
   
Dries committed
458
459
460
  }

  if ($type == "admin" && user_access("administer users")) {
Dries's avatar
   
Dries committed
461
462
463
464
465
466
467
468
469
    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
470
471
    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
472
473
474
    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
475
476
477

    $i = 3;
    foreach (user_roles(1) as $key => $value) {
Dries's avatar
   
Dries committed
478
      menu("admin/user/account/". $i++, "users with role '$value'", "user_admin", NULL, 4);
Dries's avatar
   
Dries committed
479
    }
Dries's avatar
   
Dries committed
480
481
  }

Dries's avatar
   
Dries committed
482
  return $links;
Dries's avatar
   
Dries committed
483
484
485
486
}

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

487
function user_get_authname($account, $module) {
Dries's avatar
   
Dries committed
488
489

  /*
490
  **  Called by authentication modules in order to edit/view their authmap information.
Dries's avatar
   
Dries committed
491
492
  */

Dries's avatar
   
Dries committed
493
  $result = db_query("SELECT authname FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module);
494
495
496
  return db_result($result);
}

Dries's avatar
   
Dries committed
497

498
499
500
501
502
503
504
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
505
  $result = db_query("SELECT authname, module FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
   
Dries committed
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
  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
521
      $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
522
      if (db_result($result) == 0) {
Dries's avatar
   
Dries committed
523
        $result = db_query("INSERT INTO {authmap} (authname, uid, module) VALUES ('%s', %d, '%s')", $value, $account->uid, $module[1]);
Dries's avatar
   
Dries committed
524
525
      }
      else {
Dries's avatar
   
Dries committed
526
        $result = db_query("UPDATE {authmap} SET authname = '%s' WHERE uid = %d AND module = '%s'", $value, $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
527
528
529
      }
    }
    else {
Dries's avatar
   
Dries committed
530
      $result = db_query("DELETE FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
   
Dries committed
531
532
533
534
535
536
    }
  }
  return $result;
}

function user_auth_help_links() {
537
  $links = array();
Dries's avatar
   
Dries committed
538
539
  foreach (module_list() as $module) {
    if (module_hook($module, "auth_help")) {
Dries's avatar
   
Dries committed
540
      $links[] = l(module_invoke($module, "info", "name"), "user/help#$module");
Dries's avatar
   
Dries committed
541
542
543
544
545
546
547
    }
  }
  return $links;
}

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

Dries's avatar
   
Dries committed
548
function user_login($edit = array(), $msg = "") {
Dries's avatar
   
Dries committed
549
  global $user, $base_url;
Dries's avatar
   
Dries committed
550
551
552
553
554
555

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

  if ($user->uid) {
Dries's avatar
   
Dries committed
556
    drupal_goto(url("user"));
Dries's avatar
   
Dries committed
557
558
559
  }

  if (user_deny("user", $edit["name"])) {
Dries's avatar
   
Dries committed
560
    $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
561
562
563
564
  }
  else if ($edit["name"] && $edit["pass"]) {

    /*
Dries's avatar
   
Dries committed
565
    ** Try to log in the user locally:
Dries's avatar
   
Dries committed
566
567
568
    */

    if (!$user) {
569
570
      $name = $edit["name"];
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
571
572
573
574
575
576
577
578
      $user = user_load(array("name" => $name, "pass" => $pass, "status" => 1));
    }

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

    if ($server = strrchr($edit["name"], "@")) {
579
580
581
      $name = substr($edit["name"], 0, strlen($edit["name"]) - strlen($server));
      $server = substr($server, 1);
      $pass = $edit["pass"];
Dries's avatar
   
Dries committed
582
    }
Dries's avatar
   
Dries committed
583

Dries's avatar
   
Dries committed
584
585
586
587
    /*
    ** When possible, determine corrosponding external auth source. Invoke source, and login user if successful:
    */

588
    if (!$user && $server && $result = user_get_authmaps("$name@$server")) {
Dries's avatar
   
Dries committed
589
590
      if (module_invoke(key($result), "auth", $name, $pass, $server)) {
        $user = user_external_load("$name@$server");
Dries's avatar
   
Dries committed
591
        watchdog("user", "external load: $name@$server, module: ". key($result));
Dries's avatar
   
Dries committed
592
593
      }
      else {
Dries's avatar
   
Dries committed
594
        $error = t("Invalid password for %s.", array("%s" => "<i>$name@$server</i>"));
Dries's avatar
   
Dries committed
595
596
597
598
599
600
601
602
603
604
605
606
      }
    }

     /*
    ** 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
607
              $user = user_save("", array("name" => "$name@$server", "pass" => user_password(), "init" => "$name@$server", "status" => 1, "authname_$module" => "$name@$server", "rid" => _user_authenticated_id()));
Dries's avatar
   
Dries committed
608
              watchdog("user", "new user: $name@$server ($module ID)", l(t("edit user"), "admin/user/edit/$user->uid"));
Dries's avatar
   
Dries committed
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
              break;
            }
          }
        }
      }
    }

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

      /*
      ** Write session ID to database:
      */

      user_save($user, array("sid" => session_id()));

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

Dries's avatar
   
Dries committed
630
      $path = preg_replace("/.+\/\/[^\/]+(.*)/", "\$1/", $base_url);
Dries's avatar
   
Dries committed
631
      if ($edit["remember_me"]) {
Dries's avatar
   
Dries committed
632
        setcookie(session_name(), session_id(), time() + 3600 * 24 * 365, $path);
Dries's avatar
   
Dries committed
633
      }
Dries's avatar
   
Dries committed
634
      else {
Dries's avatar
   
Dries committed
635
        setcookie(session_name(), session_id(), FALSE, $path);
Dries's avatar
   
Dries committed
636
637
638
      }

      /*
Dries's avatar
   
Dries committed
639
      ** Redirect the user to the page he logged on from.
Dries's avatar
   
Dries committed
640
641
      */

Dries's avatar
   
Dries committed
642
      drupal_goto($edit["destination"]);
Dries's avatar
   
Dries committed
643
644
645
    }
    else {
      if (!$error) {
Dries's avatar
   
Dries committed
646
        $error = t("Sorry.  Unrecognized username or password.") ." ". l(t("Have you forgotten your password?"), "user/password");
Dries's avatar
   
Dries committed
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
      }
      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) {
662
    $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
663
664
  }

Dries's avatar
   
Dries committed
665
666
667
668
669
  /*
  ** Save the referer.  We record where the user came from such that we
  ** can redirect him after having completed the login form.
  */

670
  if (empty($edit)) {
Dries's avatar
   
Dries committed
671
    $edit["destination"] = url($_GET["q"]);
Dries's avatar
   
Dries committed
672
673
674
  }
  $output .= form_hidden("destination", $edit["destination"]);

Dries's avatar
   
Dries committed
675
676
677
678
  /*
  ** Display login form:
  */

Dries's avatar
   
Dries committed
679
680
681
  if ($msg) {
    $output .= "<p>$msg</p>";
  }
Dries's avatar
   
Dries committed
682
  if (count(user_auth_help_links()) > 0) {
Dries's avatar
   
Dries committed
683
    $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
684
685
  }
  else {
Dries's avatar
   
Dries committed
686
    $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
687
  }
Dries's avatar
   
Dries committed
688
  $output .= form_password(t("Password"), "pass", $pass, 30, 64, t("Enter the password that accompanies your username."));
689
  $output .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
   
Dries committed
690
  $output .= form_submit(t("Log in"));
Dries's avatar
   
Dries committed
691
  $items[] = l(t("Request new password"), "user/password");
692
  if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
693
    $items[] = l(t("Create new account"), "user/register");
694
  }
Dries's avatar
   
Dries committed
695
  $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
696

Dries's avatar
   
Dries committed
697
  return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
698
699
}

700
function _user_authenticated_id() {
Dries's avatar
   
Dries committed
701
  return db_result(db_query("SELECT rid FROM {role} WHERE name = 'authenticated user'"));
702
703
}

Dries's avatar
   
Dries committed
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
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
722
  drupal_goto(url());
Dries's avatar
   
Dries committed
723
724
725
726
727

}

function user_pass($edit = array()) {

Dries's avatar
   
Dries committed
728
729
  global $base_url;

Kjartan's avatar
Kjartan committed
730
  if ($edit["name"]) {
Dries's avatar
   
Dries committed
731
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE name = '%s'", $edit["name"]));
Dries's avatar
   
Dries committed
732
    if (!$account) $error = t("Sorry. The username <i>%s</i> is not recognized.", array("%s" => $edit["name"]));
733
  }
Kjartan's avatar
Kjartan committed
734
  else if ($edit["mail"]) {
Dries's avatar
   
Dries committed
735
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE mail = '%s'", $edit["mail"]));
Dries's avatar
   
Dries committed
736
    if (!$account) $error = t("Sorry. The e-mail address <i>%s</i> is not recognized.", array("%s" => $edit["mail"]));
Kjartan's avatar
Kjartan committed
737
738
  }
  if ($account) {
Dries's avatar
   
Dries committed
739

740
      $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
741
742
743
744
745
746
747
748
749
750
751
752
      $pass = user_password();

      /*
      ** Save new password:
      */

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

      /*
      ** Mail new password:
      */

Dries's avatar
   
Dries committed
753
      $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
754
755
      $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);
756
      $headers = "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from";
Dries's avatar
   
Dries committed
757
      $mail_success = user_mail($account->mail, $subject, $body, $headers);
Dries's avatar
   
Dries committed
758

Dries's avatar
   
Dries committed
759
760
761
762
763
764
765
766
      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
767
768
    }
    else {
769

Kjartan's avatar
Kjartan committed
770
771
    // Display error message if necessary.
    if ($error) {
772
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
773
774
775
776
777
778
    }

    /*
    ** Display form:
    */

Dries's avatar
   
Dries committed
779
    $output .= "<p>". sprintf(t("Enter your username %sor%s your e-mail address."), "<b><i>", "</i></b>") ."</p>";
Dries's avatar
   
Dries committed
780
781
782
    $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
783
    $items[] = l(t("Log in"), "user/login");
784
    if (variable_get("user_register", 1)) {
Dries's avatar
   
Dries committed
785
      $items[] = l(t("Create new account"), "user/register");
786
    }
Dries's avatar
   
Dries committed
787
    $output .= theme("theme_item_list", $items);
Dries's avatar
   
Dries committed
788

Dries's avatar
   
Dries committed
789
    return form($output, "post", url("user"));
Dries's avatar
   
Dries committed
790
791
792
793
  }
}

function user_register($edit = array()) {
Dries's avatar
   
Dries committed
794
  global $user, $base_url;
795

Dries's avatar
   
Dries committed
796
  $edit = $_POST["edit"];
797
798
799
800
801
  /*
  ** If we are already logged on, go to the user page instead.
  */

  if ($user->uid) {
Dries's avatar
   
Dries committed
802
    drupal_goto(url("user/edit"));
803
  }
Dries's avatar
   
Dries committed
804
805
806
807
808
809
810
811
812

  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
813
      $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
814
815
    }
    else if (user_deny("mail", $edit["mail"])) {
Dries's avatar
   
Dries committed
816
      $error = t("The e-mail address '%s' has been denied access.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
817
    }
Dries's avatar
   
Dries committed
818
    else if (db_num_rows(db_query("SELECT name FROM {users} WHERE LOWER(name) = LOWER('%s')", $edit["name"])) > 0) {
Dries's avatar
   
Dries committed
819
      $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
820
    }
Dries's avatar
   
Dries committed
821
    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
822
      $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
823
    }
Dries's avatar
   
Dries committed
824
    else if (variable_get("user_register", 1) == 0) {
Dries's avatar
   
Dries committed
825
826
827
      $error = t("Public registrations have been disabled by the site administrator.");
    }
    else {
Dries's avatar
   
Dries committed
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
      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
843
844
845
846
847
    }
  }

  if ($success) {

848
    $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
   
Dries committed
849
850
    $pass = user_password();

851
    // create new user account, noting whether administrator approval is required
852
853
854
855
    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
856
    watchdog("user", "new user: '". $edit["name"] ."' &lt;". $edit["mail"] ."&gt;", l(t("edit user"), "admin/user/edit/$account->uid"));
Dries's avatar
   
Dries committed
857

Dries's avatar
   
Dries committed
858
    $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()));
859

Dries's avatar
   
Dries committed
860
    //the first user may login immediately, and receives a customized welcome e-mail.
861
    if ($account->uid == 1) {
Dries's avatar
   
Dries committed
862
      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");
863
      // 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
864
      $output .= "<p>Welcome to Drupal. You are user #1, which gives you full and immediate access.  All future registrants will receive their passwords via e-mail, so please configure your e-mail settings using the Administration pages.</p><p> Your password is <b>$pass</b>. You may change your password on the next page.</p><p>Please login below.</p>";
Dries's avatar
   
Dries committed
865
      $output .= form_hidden("destination", url("user/edit"));
866
      $output .= form_hidden("name", $account->name);
867
868
869
870
871
      $output .= form_hidden("pass", $pass);
      $output .= form_submit(t("Log in"));
      return form($output);
    }
    else {
872
873
874
875
876
      if ($account->status) {
        /*
        ** Create new user account, no administrator approval required:
        */

Dries's avatar
   
Dries committed
877
878
        $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")), $variables);
879
880
881
882
883
884
885
        user_mail($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
886
887
        $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")), $variables);
888
        user_mail($edit["mail"], $subject, $body, "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
Dries's avatar
   
Dries committed
889
        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
890
        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.");
891
      }
892
    }
Dries's avatar
   
Dries committed
893
894
895
  }
  else {
    if ($error) {
896
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
897
    }
898
  }
Dries's avatar
   
Dries committed
899

900
  // display the registration form
901
  $output .= variable_get("user_registration_help", "");
902
  $affiliates = user_auth_help_links();
Dries's avatar
   
Dries committed
903
  if (count($affiliates) > 0) {
904
    $affiliates = implode(", ", $affiliates);
Dries's avatar
   
Dries committed
905
    $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>";
906
  }
Dries's avatar
   
Dries committed
907
  $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."));
908
909
910
911
  $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
912
    }
Dries's avatar
   
Dries committed
913
  }
914
  $output .= form_submit(t("Create new account"));
915
  $items[] = l(t("Request new password"), "user/password");
Dries's avatar
   
Dries committed
916
917
  $items[] = l(t("Log in"), "user/login");
  $output .= theme("theme_item_list", $items);
Kjartan's avatar
Kjartan committed
918

919
  return form($output);
Dries's avatar
   
Dries committed
920
921
}

Kjartan's avatar
Kjartan committed
922
923

function user_delete() {
Dries's avatar
   
Dries committed
924
925
  global $user;

Kjartan's avatar
Kjartan committed
926
  $edit = $_POST["edit"];
927

Kjartan's avatar
Kjartan committed
928
  if ($edit["confirm"]) {
Dries's avatar
   
Dries committed
929
    watchdog("user","$user->name deactivated her own account.");
Dries's avatar
   
Dries committed
930
    db_query("UPDATE {users} SET mail = 'deleted', status = '0' WHERE uid = %d", $user->uid);
Kjartan's avatar
Kjartan committed
931
932
933
    $output .= t("Your account has been deactivated.");
  }
  else {
Dries's avatar
   
Dries committed
934
    $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
935
936
937
938
939
940
941
    $output .= form_hidden("confirm", 1);
    $output .= form_submit(t("Delete account"));
    $output = form($output);
  }
  return $output;
}

Dries's avatar
   
Dries committed
942
function user_edit($edit = array()) {
943
  global $user, $languages;
Dries's avatar
   
Dries committed
944
945
946
947
948
949
950
951
952

  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
953
      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
954
        $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
   
Dries committed
955
      }
Dries's avatar
   
Dries committed
956
      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
957
        $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
   
Dries committed
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
      }
      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
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
        /*
        ** 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;
        }
990

Dries's avatar
   
Dries committed
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
        /*
        ** 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
1009
1010
1011
1012
        if (!$error) {
          /*
          ** Save user information:
          */
Dries's avatar
   
Dries committed
1013

Dries's avatar
   
Dries committed
1014
          $user = user_save($user, array_merge($edit, $data));
Dries's avatar
   
Dries committed
1015

1016
          $output .= t("Your user information changes have been saved.");
Dries's avatar
   
Dries committed
1017
        }
Dries's avatar
   
Dries committed
1018
1019
1020
1021
      }
    }

    if ($error) {
1022
      $output .= theme("theme_error", $error);
Dries's avatar
   
Dries committed
1023
1024
    }

Kjartan's avatar
Kjartan committed
1025
1026
1027
1028
    if (!$edit) {
      $edit = object2array($user);
    }

Dries's avatar
   
Dries committed
1029
    $output .= form_textfield(t("Username"), "name", $edit["name"], 30, 55, t("Your full name or your preferred username: only letters, numbers and spaces are allowed."));
Kjartan's avatar
Kjartan committed
1030
    $output .= form_textfield(t("E-mail address"), "mail", $edit["mail"], 30, 55, t("Insert a valid e-mail address.  All e-mails from the system will be sent to this address. The e-mail address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by e-mail."));
Dries's avatar
   
Dries committed
1031

Dries's avatar
   
Dries committed
1032
1033
1034
1035
1036
1037
    foreach (module_list() as $module) {
      if (module_hook($module, "user")) {
        $output .= module_invoke($module, "user", "edit_form", $edit, $user);
      }
    }

1038
    $options = "<option value=\"\"". (("" == $key) ? " selected=\"selected\"" : "") .">". t("Default theme") ."</option>\n";
1039
    foreach (theme_list() as $key => $value) {
1040
      $options .= "<option value=\"$key\"". (($edit["theme"] == $key) ? " selected=\"selected\"" : "") .">$key - $value->description</option>\n";
1041
    }
Dries's avatar
   
Dries committed
1042

Dries's avatar
   
Dries committed
1043
    $output .= form_item(t("Theme"), "<select name=\"edit[theme]\">$options</select>", t("Selecting a different theme will change the look and feel of the site."));
1044
    for ($zone = -43200; $zone <= 46800; $zone += 3600) $zones[$zone] = date(variable_get("date_format_long", "l, F dS, Y - g:ia"), time() - date("Z") + $zone) ." (GMT ". $zone / 3600 .")";
Dries's avatar
   
Dries committed
1045
    $output .= form_select(t("Time zone"), "timezone", $edit["timezone"], $zones, t("Select what time you currently have and your time zone settings will be set appropriate."));
Kjartan's avatar
Kjartan committed
1046
    $output .= form_select(t("Language"), "language", $edit["language"], $languages, t("Selecting a different language will change the language of the site."));
Dries's avatar
   
Dries committed
1047
    $output .= form_item(t("Password"), "<input type=\"password\" name=\"edit[pass1]\" size=\"12\" maxlength=\"24\" /> <input type=\"password\" name=\"edit[pass2]\" size=\"12\" maxlength=\"24\" />", t("Enter your new password twice if you want to change your current password or leave it blank if you are happy with your current password."));
Dries's avatar
   
Dries committed
1048
    $output .= form_submit(t("Save user information"));
Kjartan's avatar