user.module 85.4 KB
Newer Older
Dries's avatar
 
Dries committed
1 2 3 4 5 6
<?php
// $Id$

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

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

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

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

function sess_close() {
  return 1;
}

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

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

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

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

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

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

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

function sess_destroy($key) {

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

Dries's avatar
 
Dries committed
55 56 57
}

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

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

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

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

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

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

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

function user_load($array = array()) {

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

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

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

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

  return $user;
}

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

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

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

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

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

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

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

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

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

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

  return $user;
}

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

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

function user_validate_name($name) {

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

Dries's avatar
 
Dries committed
207 208 209 210
  if (!$name) return t("You must enter a username.");
  if (ereg("^ ", $name)) return t("The username cannot begin with a space.");
  if (ereg(" \$", $name)) return t("The username cannot end with a space.");
  if (ereg("  ", $name)) return t("The username cannot contain multiple spaces in a row.");
Dries's avatar
 
Dries committed
211
  if (ereg("[^ a-zA-Z0-9@_\.\-]", $name)) return t("The username contains an illegal character.");
Dries's avatar
 
Dries committed
212
  if (ereg('@', $name) && !eregi('@([0-9a-z](-?[0-9a-z])*\.)+[a-z]{2}([zmuvtg]|fo|me)?$', $name)) return t("The username is not a valid authentication ID.");
Dries's avatar
 
Dries committed
213
  if (strlen($name) > 56) return t("The username '%name' is too long: it must be less than 56 characters.", array("%name" => $name));
Dries's avatar
 
Dries committed
214 215 216 217
}

function user_validate_mail($mail) {

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

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

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

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

Dries's avatar
 
Dries committed
237 238 239 240 241 242 243 244 245
  // This variable contains the list of allowable characters for the
  // password.  Note that the number 0 and the letter 'O' have been
  // removed to avoid confusion between the two.  The same is true
  // of 'I' and 1.
  $allowable_characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789";
  // We see how many characters are in the allowable list:
  $len = strlen($allowable_characters);

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

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

  // Loop the number of times specified by $length:
  for ($i = 0; $i < $length; $i++) {

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

  return $pass;
Dries's avatar
 
Dries committed
260 261 262 263 264 265 266
}

function user_access($string) {

  global $user;
  static $perm;

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

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

Dries's avatar
 
Dries committed
276
  if (!$perm) {
Dries's avatar
 
Dries committed
277
    if ($user->uid) {
Dries's avatar
 
Dries committed
278
      $perm = db_result(db_query("SELECT p.perm FROM {role} r, {permission} p WHERE r.rid = p.rid AND name = '%s'", $user->role), 0);
Dries's avatar
 
Dries committed
279 280
    }
    else {
Dries's avatar
 
Dries committed
281
      $perm = db_result(db_query("SELECT p.perm FROM {role} r, {permission} p WHERE r.rid = p.rid AND name = 'anonymous user'"), 0);
Dries's avatar
 
Dries committed
282 283 284
    }
  }

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

function user_mail($mail, $subject, $message, $header) {
  if (variable_get("smtp_library", "") && file_exists(variable_get("smtp_library", ""))) {
    include_once variable_get("smtp_library", "");
291
    return user_mail_wrapper($mail, $subject, $message, $header);
Dries's avatar
 
Dries committed
292 293
  }
  else {
294 295 296 297 298 299 300
    /*
    ** Note: if you are having problems with sending mail, or mails look wrong
    ** when they are recieved you may have to modify the str_replace to suit
    ** your systems.
    **  - \r\n will work under dos and windows.
    **  - \n will work for linux, unix and BSDs.
    **  - \r will work for macs.
Dries's avatar
 
Dries committed
301 302 303 304 305 306 307 308 309 310 311 312
    **
    ** According to RFC 2646, it's quite rude to not wrap your e-mails:
    **
    ** "The Text/Plain media type is the lowest common denominator of
    ** Internet email, with lines of no more than 997 characters (by
    ** convention usually no more than 80), and where the CRLF sequence
    ** represents a line break [MIME-IMT]."
    **
    ** CRLF === \r\n
    **
    ** http://www.rfc-editor.org/rfc/rfc2646.txt
    **
313 314
    */
    return mail($mail, $subject, str_replace("\r", "", $message), $header);
Dries's avatar
 
Dries committed
315 316 317 318 319
  }
}

function user_deny($type, $mask) {

Dries's avatar
 
Dries committed
320
  $allow = db_fetch_object(db_query("SELECT * FROM {access} WHERE status = '1' AND type = '%s' AND LOWER('%s') LIKE LOWER(mask)", $type, $mask));
Dries's avatar
 
Dries committed
321

Dries's avatar
 
Dries committed
322
  $deny = db_fetch_object(db_query("SELECT * FROM {access} WHERE status = '0' AND type = '%s' AND LOWER('%s') LIKE LOWER(mask)", $type, $mask));
Dries's avatar
 
Dries committed
323 324 325 326 327 328 329 330 331

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

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

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

Kjartan's avatar
Kjartan committed
342
  // Make sure we return the default fields at least
343
  return is_array($fields) ? $fields: array("uid", "name", "pass", "mail", "homepage", "mode", "sort", "threshold", "theme", "signature", "timestamp", "status", "timezone", "language", "init", "data", "rid");
Dries's avatar
 
Dries committed
344 345
}

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

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

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

Dries's avatar
 
Dries committed
354
  $result = db_query_range("SELECT * FROM {users} WHERE name LIKE '%". check_query($keys) ."%'", 0, 20);
Dries's avatar
 
Dries committed
355
  while ($account = db_fetch_object($result)) {
Dries's avatar
 
Dries committed
356
    $find[$i++] = array("title" => $account->name, "link" => (strstr(request_uri(), "admin") ? url("admin/user/edit/$account->uid") : url("user/view/$account->uid")), "user" => $account->name);
Dries's avatar
 
Dries committed
357 358 359 360
  }
  return $find;
}

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

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

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

371
     return $blocks;
372 373
  }
  else {
Dries's avatar
 
Dries committed
374 375
    switch ($delta) {
      case 0:
376
        if (!$user->uid) {
Dries's avatar
 
Dries committed
377 378 379 380 381 382 383 384 385
          /*
          ** For usability's sake, avoid showing two login forms on one
          ** page.
          */

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

Dries's avatar
 
Dries committed
386 387
          $output = "<div class=\"user-login-block\">\n";

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

394
          if (empty($edit)) {
Dries's avatar
 
Dries committed
395
            $edit["destination"] = url($_GET["q"]);
396 397
          }
          // NOTE: special care needs to be taken because on pages with forms, such as node and comment submission pages, the $edit variable might already be set.
Dries's avatar
Dries committed
398

Dries's avatar
 
Dries committed
399 400 401
          $form = form_hidden("destination", $edit["destination"]);
          $form .= form_textfield(t("Username"), "name", $edit["name"], 15, 64);
          $form .= form_password(t("Password"), "pass", $pass, 15, 64);
Dries's avatar
 
Dries committed
402 403

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

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

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

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

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

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

Dries's avatar
 
Dries committed
423
          $block["subject"] = t("User login");
Dries's avatar
 
Dries committed
424
          $block["content"] = "<div class=\"user-login-link\">$output</div>";
Dries's avatar
 
Dries committed
425
        }
Dries's avatar
Dries committed
426
        return $block;
427 428
      case 1:
        $block["subject"] = $user->uid ? $user->name : t("Navigation");
Dries's avatar
 
Dries committed
429
        $block["content"] = "<div id=\"menu\">". menu_tree() ."</div>";
430
        return $block;
Dries's avatar
 
Dries committed
431
      case 2:
432 433 434 435 436
        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
437

438
          $output = theme("theme_user_list", $items);
Dries's avatar
 
Dries committed
439

440 441 442 443
          $block["subject"] = t("Who's new");
          $block["content"] = $output;
          return $block;
        }
Dries's avatar
 
Dries committed
444 445
    }
  }
446 447
}

Dries's avatar
 
Dries committed
448
function theme_user_list($items, $title = NULL) {
Dries's avatar
 
Dries committed
449 450 451
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
 
Dries committed
452
function theme_menu_list($items, $title = NULL) {
Dries's avatar
 
Dries committed
453 454 455
  return theme("theme_item_list",$items, $title);
}

Dries's avatar
 
Dries committed
456
function user_link($type) {
Dries's avatar
 
Dries committed
457 458 459

  $links = array();

Dries's avatar
 
Dries committed
460
  if ($type == "page") {
Dries's avatar
 
Dries committed
461
    $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
462 463
  }

Dries's avatar
 
Dries committed
464
  if ($type == "system") {
Dries's avatar
Dries committed
465 466
    global $user;
    if ($user->uid) {
Dries's avatar
 
Dries committed
467 468
      menu("user/edit", t("edit my account"), "user_page", NULL, 8);
      menu("user/logout", t("log out"), "user_page", NULL, 10);
Dries's avatar
Dries committed
469
    }
Dries's avatar
 
Dries committed
470
    if (user_access("administer users")) {
Dries's avatar
 
Dries committed
471
      menu("admin/user", t("accounts"), "user_admin", user_help("admin/user"), 2);
472 473 474 475 476 477 478 479 480 481 482
      menu("admin/user/create", t("new user"), "user_admin", user_help("admin/user/create"), 1);
      menu("admin/user/account", t("users"), "user_admin", user_help("admin/user/account"), 2);
      menu("admin/user/access", t("access rules"), NULL, user_help("admin/user/access"), 3);
      menu("admin/user/access/mail", t("by e-mail"), "user_admin", user_help("admin/user/access/mail"));
      menu("admin/user/access/user", t("by name"), "user_admin", user_help("admin/user/access/user"));
      menu("admin/user/role", t("roles"), "user_admin", user_help("admin/user/role"), 4);
      menu("admin/user/permission", t("permissions"), "user_admin", user_help("admin/user/permission"), 5);
      menu("admin/user/search", t("search"), "user_admin", user_help("admin/user/search"), 8);
      menu("admin/user/help", t("help"), "user_help", NULL, 9);
      menu("admin/user/edit", t("edit user account"), "user_admin", NULL, 0, 1); // hidden menu
      menu("admin/user/account/1", t("blocked users"), "user_admin", user_help("admin/user/account/1"), 3);
Dries's avatar
 
Dries committed
483 484 485

      $i = 2;
      foreach (user_roles(1) as $key => $value) {
Dries's avatar
 
Dries committed
486
        menu("admin/user/account/". $i++, t("users with role '%role'", array("%role" => $value)), "user_admin", NULL, 4);
Dries's avatar
 
Dries committed
487
      }
Dries's avatar
 
Dries committed
488
    }
Dries's avatar
 
Dries committed
489 490
  }

Dries's avatar
 
Dries committed
491
  return $links;
Dries's avatar
 
Dries committed
492 493 494 495
}

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

496
function user_get_authname($account, $module) {
Dries's avatar
 
Dries committed
497 498

  /*
499
  **  Called by authentication modules in order to edit/view their authmap information.
Dries's avatar
 
Dries committed
500 501
  */

Dries's avatar
 
Dries committed
502
  $result = db_query("SELECT authname FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module);
503 504 505
  return db_result($result);
}

Dries's avatar
 
Dries committed
506

507 508 509 510 511 512 513
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
514
  $result = db_query("SELECT authname, module FROM {authmap} WHERE authname = '%s'", $authname);
Dries's avatar
 
Dries committed
515 516 517 518 519 520 521 522 523 524 525 526 527 528 529
  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
530
      $result = db_query("SELECT COUNT(*) from {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
 
Dries committed
531
      if (db_result($result) == 0) {
Dries's avatar
 
Dries committed
532
        $result = db_query("INSERT INTO {authmap} (authname, uid, module) VALUES ('%s', %d, '%s')", $value, $account->uid, $module[1]);
Dries's avatar
 
Dries committed
533 534
      }
      else {
Dries's avatar
 
Dries committed
535
        $result = db_query("UPDATE {authmap} SET authname = '%s' WHERE uid = %d AND module = '%s'", $value, $account->uid, $module["1"]);
Dries's avatar
 
Dries committed
536 537 538
      }
    }
    else {
Dries's avatar
 
Dries committed
539
      $result = db_query("DELETE FROM {authmap} WHERE uid = %d AND module = '%s'", $account->uid, $module["1"]);
Dries's avatar
 
Dries committed
540 541 542 543 544 545
    }
  }
  return $result;
}

function user_auth_help_links() {
546
  $links = array();
Dries's avatar
 
Dries committed
547 548
  foreach (module_list() as $module) {
    if (module_hook($module, "auth_help")) {
Dries's avatar
 
Dries committed
549
      $links[] = l(module_invoke($module, "info", "name"), "user/help#$module");
Dries's avatar
 
Dries committed
550 551 552 553 554 555 556
    }
  }
  return $links;
}

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

Dries's avatar
 
Dries committed
557
function user_login($edit = array(), $msg = "") {
Dries's avatar
 
Dries committed
558
  global $user, $base_url;
Dries's avatar
 
Dries committed
559 560 561 562 563 564

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

  if ($user->uid) {
Dries's avatar
 
Dries committed
565
    drupal_goto(url("user"));
Dries's avatar
 
Dries committed
566 567 568
  }

  if (user_deny("user", $edit["name"])) {
Dries's avatar
 
Dries committed
569
    $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
 
Dries committed
570 571 572 573
  }
  else if ($edit["name"] && $edit["pass"]) {

    /*
Dries's avatar
 
Dries committed
574
    ** Try to log in the user locally:
Dries's avatar
 
Dries committed
575 576
    */

Dries's avatar
 
Dries committed
577
    if (!$user->uid) {
578 579
      $name = $edit["name"];
      $pass = $edit["pass"];
Dries's avatar
 
Dries committed
580 581 582 583 584 585 586 587
      $user = user_load(array("name" => $name, "pass" => $pass, "status" => 1));
    }

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

    if ($server = strrchr($edit["name"], "@")) {
588 589 590
      $name = substr($edit["name"], 0, strlen($edit["name"]) - strlen($server));
      $server = substr($server, 1);
      $pass = $edit["pass"];
Dries's avatar
 
Dries committed
591
    }
Dries's avatar
 
Dries committed
592

Dries's avatar
 
Dries committed
593 594 595 596
    /*
    ** When possible, determine corrosponding external auth source. Invoke source, and login user if successful:
    */

Dries's avatar
 
Dries committed
597
    if (!$user->uid && $server && $result = user_get_authmaps("$name@$server")) {
Dries's avatar
 
Dries committed
598 599
      if (module_invoke(key($result), "auth", $name, $pass, $server)) {
        $user = user_external_load("$name@$server");
Dries's avatar
 
Dries committed
600
        watchdog("user", "external load: $name@$server, module: ". key($result));
Dries's avatar
 
Dries committed
601 602
      }
      else {
Dries's avatar
 
Dries committed
603
        $error = t("Invalid password for %s.", array("%s" => "<i>$name@$server</i>"));
Dries's avatar
 
Dries committed
604 605 606 607 608 609 610
      }
    }

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

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

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

Dries's avatar
 
Dries committed
628 629
      // update the user table timestamp noting user has logged in
      db_query("UPDATE {users} SET timestamp = '%d' WHERE uid = '%s'", time(), $user->uid);
Dries's avatar
 
Dries committed
630 631 632 633 634 635

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

Dries's avatar
 
Dries committed
636
      $path = preg_replace("/.+\/\/[^\/]+(.*)/", "\$1/", $base_url);
Dries's avatar
 
Dries committed
637
      if ($edit["remember_me"]) {
Dries's avatar
 
Dries committed
638
        setcookie(session_name(), session_id(), time() + 3600 * 24 * 365, $path);
Dries's avatar
 
Dries committed
639
      }
Dries's avatar
 
Dries committed
640
      else {
Dries's avatar
 
Dries committed
641
        setcookie(session_name(), session_id(), FALSE, $path);
Dries's avatar
 
Dries committed
642 643 644
      }

      /*
Dries's avatar
 
Dries committed
645
      ** Redirect the user to the page he logged on from.
Dries's avatar
 
Dries committed
646 647
      */

Dries's avatar
 
Dries committed
648
      drupal_goto($edit["destination"]);
Dries's avatar
 
Dries committed
649 650 651
    }
    else {
      if (!$error) {
Dries's avatar
 
Dries committed
652
        $error = t("Sorry.  Unrecognized username or password.") ." ". l(t("Have you forgotten your password?"), "user/password");
Dries's avatar
 
Dries committed
653 654 655 656 657 658 659 660 661 662 663 664 665 666 667
      }
      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) {
668
    $output .= theme("theme_error", $error);
Dries's avatar
 
Dries committed
669 670
  }

Dries's avatar
 
Dries committed
671 672 673 674 675
  /*
  ** Save the referer.  We record where the user came from such that we
  ** can redirect him after having completed the login form.
  */

676
  if (empty($edit)) {
Dries's avatar
 
Dries committed
677
    $edit["destination"] = url($_GET["q"]);
Dries's avatar
 
Dries committed
678 679 680
  }
  $output .= form_hidden("destination", $edit["destination"]);

Dries's avatar
 
Dries committed
681 682 683 684
  /*
  ** Display login form:
  */

Dries's avatar
 
Dries committed
685 686 687
  if ($msg) {
    $output .= "<p>$msg</p>";
  }
Dries's avatar
 
Dries committed
688
  if (count(user_auth_help_links()) > 0) {
Dries's avatar
 
Dries committed
689
    $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
690 691
  }
  else {
Dries's avatar
 
Dries committed
692
    $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
693
  }
Dries's avatar
 
Dries committed
694
  $output .= form_password(t("Password"), "pass", $pass, 30, 64, t("Enter the password that accompanies your username."));
695
  $output .= form_checkbox(t("Remember me"), "remember_me", 1, 0, 0);
Dries's avatar
 
Dries committed
696
  $output .= form_submit(t("Log in"));
Dries's avatar
 
Dries committed
697
  $items[] = l(t("Request new password"), "user/password");
698
  if (variable_get("user_register", 1)) {
Dries's avatar
 
Dries committed
699
    $items[] = l(t("Create new account"), "user/register");
700
  }
Dries's avatar
 
Dries committed
701
  $output .= theme("theme_item_list", $items);
Dries's avatar
 
Dries committed
702

Dries's avatar
 
Dries committed
703
  return form($output, "post", url("user"));
Dries's avatar
 
Dries committed
704 705
}

706
function _user_authenticated_id() {
Dries's avatar
 
Dries committed
707
  return db_result(db_query("SELECT rid FROM {role} WHERE name = 'authenticated user'"));
708 709
}

Dries's avatar
 
Dries committed
710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727
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
728
  drupal_goto(url());
Dries's avatar
 
Dries committed
729 730 731 732 733

}

function user_pass($edit = array()) {

Dries's avatar
 
Dries committed
734 735
  global $base_url;

Kjartan's avatar
Kjartan committed
736
  if ($edit["name"]) {
Dries's avatar
 
Dries committed
737
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE name = '%s'", $edit["name"]));
Dries's avatar
 
Dries committed
738
    if (!$account) $error = t("Sorry. The username <i>%s</i> is not recognized.", array("%s" => $edit["name"]));
739
  }
Kjartan's avatar
Kjartan committed
740
  else if ($edit["mail"]) {
Dries's avatar
 
Dries committed
741
    $account = db_fetch_object(db_query("SELECT uid, name, mail FROM {users} WHERE mail = '%s'", $edit["mail"]));
Dries's avatar
 
Dries committed
742
    if (!$account) $error = t("Sorry. The e-mail address <i>%s</i> is not recognized.", array("%s" => $edit["mail"]));
Kjartan's avatar
Kjartan committed
743 744
  }
  if ($account) {
Dries's avatar
 
Dries committed
745

746
      $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
 
Dries committed
747 748 749 750 751 752 753 754 755 756 757 758
      $pass = user_password();

      /*
      ** Save new password:
      */

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

      /*
      ** Mail new password:
      */

Dries's avatar
 
Dries committed
759
      $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
760 761
      $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);
762
      $headers = "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from";
Dries's avatar
 
Dries committed
763
      $mail_success = user_mail($account->mail, $subject, $body, $headers);
Dries's avatar
 
Dries committed
764

Dries's avatar
 
Dries committed
765 766 767 768 769 770 771 772
      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
773 774
    }
    else {
775

Kjartan's avatar
Kjartan committed
776 777
    // Display error message if necessary.
    if ($error) {
778
      $output .= theme("theme_error", $error);
Dries's avatar
 
Dries committed
779 780 781 782 783 784
    }

    /*
    ** Display form:
    */

Dries's avatar
 
Dries committed
785
    $output .= "<p>". sprintf(t("Enter your username %sor%s your e-mail address."), "<b><i>", "</i></b>") ."</p>";
Dries's avatar
 
Dries committed
786 787 788
    $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
789
    $items[] = l(t("Log in"), "user/login");
790
    if (variable_get("user_register", 1)) {
Dries's avatar
 
Dries committed
791
      $items[] = l(t("Create new account"), "user/register");
792
    }
Dries's avatar
 
Dries committed
793
    $output .= theme("theme_item_list", $items);
Dries's avatar
 
Dries committed
794

Dries's avatar
 
Dries committed
795
    return form($output, "post", url("user"));
Dries's avatar
 
Dries committed
796 797 798 799
  }
}

function user_register($edit = array()) {
Dries's avatar
 
Dries committed
800
  global $user, $base_url;
801

Dries's avatar
 
Dries committed
802
  $edit = $_POST["edit"];
803 804 805 806 807
  /*
  ** If we are already logged on, go to the user page instead.
  */

  if ($user->uid) {
Dries's avatar
 
Dries committed
808
    drupal_goto(url("user/edit"));
809
  }
Dries's avatar
 
Dries committed
810 811 812 813 814 815 816 817 818

  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
819
      $error = t("The name '%s' has been denied access.", array("%s" => $edit["name"]));
Dries's avatar
 
Dries committed
820 821
    }
    else if (user_deny("mail", $edit["mail"])) {
Dries's avatar
 
Dries committed
822
      $error = t("The e-mail address '%s' has been denied access.", array("%s" => $edit["mail"]));
Dries's avatar
 
Dries committed
823
    }
Dries's avatar
 
Dries committed
824
    else if (db_num_rows(db_query("SELECT name FROM {users} WHERE LOWER(name) = LOWER('%s')", $edit["name"])) > 0) {
Dries's avatar
 
Dries committed
825
      $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
 
Dries committed
826
    }
Dries's avatar
 
Dries committed
827
    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
828
      $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
 
Dries committed
829
    }
Dries's avatar
 
Dries committed
830
    else if (variable_get("user_register", 1) == 0) {
Dries's avatar
 
Dries committed
831 832 833
      $error = t("Public registrations have been disabled by the site administrator.");
    }
    else {
Dries's avatar
 
Dries committed
834 835 836 837 838 839 840 841 842 843 844 845 846 847 848
      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
849 850 851 852 853
    }
  }

  if ($success) {

854
    $from = variable_get("site_mail", ini_get("sendmail_from"));
Dries's avatar
 
Dries committed
855 856
    $pass = user_password();

857
    // create new user account, noting whether administrator approval is required
858 859 860
    user_role_init();
    // TODO: is this necessary? Won't session_write replicate this?
    unset($edit["session"]);
861
    $account = user_save("", array_merge(array("name" => $edit["name"], "pass" => $pass, "init" => $edit["mail"], "mail" => $edit["mail"], "rid" => _user_authenticated_id(), "status" => (variable_get("user_register", 1) == 1 ? 1 : 0)), $data));
Dries's avatar
 
Dries committed
862
    watchdog("user", "new user: '". $edit["name"] ."' &lt;". $edit["mail"] ."&gt;", l(t("edit user"), "admin/user/edit/$account->uid"));
Dries's avatar
 
Dries committed
863

Dries's avatar
 
Dries committed
864
    $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()));
865

Dries's avatar
 
Dries committed
866
    //the first user may login immediately, and receives a customized welcome e-mail.
867
    if ($account->uid == 1) {
Dries's avatar
 
Dries committed
868
      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");
869
      // 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
870
      $output .= "<p>Welcome to Drupal. You are user #1, which gives you full and immediate access.  All future registrants will receive their passwords via e-mail, so please configure your e-mail settings using the Administration pages.</p><p> Your password is <b>$pass</b>. You may change your password on the next page.</p><p>Please login below.</p>";
Dries's avatar
 
Dries committed
871
      $output .= form_hidden("destination", url("user/edit"));
872
      $output .= form_hidden("name", $account->name);
873 874 875 876 877
      $output .= form_hidden("pass", $pass);
      $output .= form_submit(t("Log in"));
      return form($output);
    }
    else {
878 879 880 881 882
      if ($account->status) {
        /*
        ** Create new user account, no administrator approval required:
        */

Dries's avatar
 
Dries committed
883 884
        $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")), $variables);
885 886 887 888 889 890 891
        user_mail($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
892 893
        $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")), $variables);
894
        user_mail($edit["mail"], $subject, $body, "From: $from\nReply-to: $from\nX-Mailer: Drupal\nReturn-path: $from\nErrors-to: $from");
Dries's avatar
 
Dries committed
895
        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
896
        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.");
897
      }
898
    }
Dries's avatar
 
Dries committed
899 900 901
  }
  else {
    if ($error) {
902
      $output .= theme("theme_error", $error);
Dries's avatar
 
Dries committed
903
    }
904
  }
Dries's avatar
 
Dries committed
905

906
  // display the registration form
907
  $output .= variable_get("user_registration_help", "");
908
  $affiliates = user_auth_help_links();
Dries's avatar
 
Dries committed
909
  if (count($affiliates) > 0) {
910
    $affiliates = implode(", ", $affiliates);
Dries's avatar
 
Dries committed
911
    $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>";
912
  }
Dries's avatar
 
Dries committed
913
  $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."));
914 915 916 917
  $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
918
    }
Dries's avatar
 
Dries committed
919
  }
920
  $output .= form_submit(t("Create new account"));
921
  $items[] = l(t("Request new password"), "user/password");
Dries's avatar
 
Dries committed
922 923
  $items[] = l(t("Log in"), "user/login");
  $output .= theme("theme_item_list", $items);
Kjartan's avatar
Kjartan committed
924

925
  return form($output);
Dries's avatar
 
Dries committed
926 927
}

Kjartan's avatar
Kjartan committed
928 929

function user_delete() {
Dries's avatar
 
Dries committed
930 931
  global $user;

Kjartan's avatar
Kjartan committed
932
  $edit = $_POST["edit"];
933

Kjartan's avatar
Kjartan committed
934
  if ($edit["confirm"]) {
Dries's avatar
 
Dries committed
935
    watchdog("user","$user->name deactivated her own account.");
Dries's avatar
 
Dries committed
936
    db_query("UPDATE {users} SET mail = 'deleted', status = '0' WHERE uid = %d", $user->uid);
Kjartan's avatar
Kjartan committed
937 938 939
    $output .= t("Your account has been deactivated.");
  }
  else {
Dries's avatar
 
Dries committed
940
    $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
941 942 943 944 945 946 947
    $output .= form_hidden("confirm", 1);
    $output .= form_submit(t("Delete account"));
    $output = form($output);
  }
  return $output;
}

Dries's avatar
 
Dries committed
948
function user_edit($edit = array()) {
949
  global $user, $languages;
Dries's avatar
 
Dries committed
950 951 952 953 954 955 956 957 958

  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
959
      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
960
        $error = t("The name '%s' is already taken.", array("%s" => $edit["name"]));
Dries's avatar
 
Dries committed
961
      }
Dries's avatar
 
Dries committed
962
      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
963
        $error = t("The e-mail address '%s' is already taken.", array("%s" => $edit["mail"]));
Dries's avatar
 
Dries committed
964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980