common.inc 27.9 KB
Newer Older
Dries Buytaert's avatar
   
Dries Buytaert committed
1
2
3
<?php
// $Id$

Dries Buytaert's avatar
   
Dries Buytaert committed
4
/**
Dries Buytaert's avatar
   
Dries Buytaert committed
5
6
7
8
9
 * @name drupal_title
 *
 * Functions to get and set the title of the current page.
 * @{
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
10
11
12
13
function drupal_set_title($title = NULL) {
  static $stored_title;

  if (isset($title)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
14
    $stored_title = ucfirst($title);
Dries Buytaert's avatar
   
Dries Buytaert committed
15
16
17
18
19
20
21
22
23
24
25
26
27
  }
  return $stored_title;
}

function drupal_get_title() {
  $title = drupal_set_title();

  if (!isset($title)) {
    $title = menu_get_active_title();
  }

  return $title;
}
28
// @}
Dries Buytaert's avatar
   
Dries Buytaert committed
29

Dries Buytaert's avatar
   
Dries Buytaert committed
30
/**
Dries Buytaert's avatar
   
Dries Buytaert committed
31
32
33
34
35
 * @name drupal_message
 *
 * Functions to get and set the message of the current page.
 * @{
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
function drupal_set_message($message = NULL, $type = "status") {
  static $stored_message;

  if (isset($message)) {
    $stored_message->message = $message;
    $stored_message->type = $type;
  }

  return $stored_message;
}

function drupal_get_message() {
  return drupal_set_message();
}
// @}

Dries Buytaert's avatar
   
Dries Buytaert committed
52
/**
Dries Buytaert's avatar
   
Dries Buytaert committed
53
54
55
56
57
58
59
60
 * @name drupal_breadcrumb
 *
 * Functions to get and set the breadcrumb trail of the current page.
 *
 * @param $breadcrumb array of links, starting with "home" and proceeding up
 *   to but not including the current page.
 * @{
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
function drupal_set_breadcrumb($breadcrumb = NULL) {
  static $stored_breadcrumb;

  if (isset($breadcrumb)) {
    $stored_breadcrumb = $breadcrumb;
  }
  return $stored_breadcrumb;
}

function drupal_get_breadcrumb() {
  $breadcrumb = drupal_set_breadcrumb();

  if (!isset($breadcrumb)) {
    $breadcrumb = menu_get_active_breadcrumb();
    array_pop($breadcrumb);
  }

  return $breadcrumb;
}
80
// @}
Dries Buytaert's avatar
   
Dries Buytaert committed
81

Dries Buytaert's avatar
   
Dries Buytaert committed
82
/**
Dries Buytaert's avatar
   
Dries Buytaert committed
83
84
 * Build the alias/path array
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
85
function drupal_get_path_map($action = "") {
Dries Buytaert's avatar
   
Dries Buytaert committed
86
87

  static $cache;
Dries Buytaert's avatar
   
Dries Buytaert committed
88
89
  static $map;

Dries Buytaert's avatar
   
Dries Buytaert committed
90
91
  if ($action == "rebuild") {
    $map = NULL;
Dries Buytaert's avatar
   
Dries Buytaert committed
92
    $cache = 0;
Dries Buytaert's avatar
   
Dries Buytaert committed
93
94
  }

Dries Buytaert's avatar
   
Dries Buytaert committed
95
  if (!$cache) {
Dries Buytaert's avatar
   
Dries Buytaert committed
96
    $result = db_query("SELECT * FROM {url_alias}");
Dries Buytaert's avatar
   
Dries Buytaert committed
97
    while ($data = db_fetch_object($result)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
98
      $map[$data->dst] = $data->src;
Dries Buytaert's avatar
   
Dries Buytaert committed
99
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
100
101

    $cache = 1;
Dries Buytaert's avatar
   
Dries Buytaert committed
102
103
104
105
106
  }

  return $map;
}

Dries Buytaert's avatar
   
Dries Buytaert committed
107
108
109
110
function drupal_rebuild_path_map() {
  drupal_get_path_map("rebuild");
}

Dries Buytaert's avatar
   
Dries Buytaert committed
111
112
113
function error_handler($errno, $message, $filename, $line, $variables) {
  $types = array(1 => "error", 2 => "warning", 4 => "parse error", 8 => "notice", 16 => "core error", 32 => "core warning", 64 => "compile error", 128 => "compile warning", 256 => "user error", 512 => "user warning", 1024 => "user notice");
  $entry = $types[$errno] .": $message in $filename on line $line.";
Dries Buytaert's avatar
   
Dries Buytaert committed
114
115

  if ($errno & E_ALL ^ E_NOTICE) {
Dries Buytaert's avatar
   
Dries Buytaert committed
116
    watchdog("error", $types[$errno] .": $message in $filename on line $line.");
117
    print "<pre>$entry</pre>";
Dries Buytaert's avatar
   
Dries Buytaert committed
118
119
120
121
122
  }
}

function throttle($type, $rate) {
  if (!user_access("access administration pages")) {
Dries Buytaert's avatar
   
Dries Buytaert committed
123
    if ($throttle = db_fetch_object(db_query("SELECT * FROM {watchdog} WHERE type = '$type' AND hostname = '". getenv("REMOTE_ADDR") ."' AND ". time() ." - timestamp < $rate"))) {
Dries Buytaert's avatar
   
Dries Buytaert committed
124
125
126
127
128
129
      watchdog("warning", "throttle: '". getenv("REMOTE_ADDR") ."' exceeded submission rate - $throttle->type");
      die(message_throttle());
    }
  }
}

Dries Buytaert's avatar
   
Dries Buytaert committed
130
131
132
133
function _fix_gpc_magic_array(&$items) {
  foreach ($items as $k => $i) {
    if (is_array($i)) _fix_gpc_magic_array($items[$k]);
    else $items[$k] = stripslashes($i);
Dries Buytaert's avatar
   
Dries Buytaert committed
134
135
136
  }
}

Dries Buytaert's avatar
   
Dries Buytaert committed
137
138
139
140
141
142
143
144
145
146
147
148
function fix_gpc_magic() {
  static $fixed = false;
  if ($fixed) return;
  if (ini_get("magic_quotes_gpc") == 0) return;

  _fix_gpc_magic_array($_GET);
  _fix_gpc_magic_array($_POST);
  _fix_gpc_magic_array($_COOKIE);

  $fixed = true;
}

Dries Buytaert's avatar
   
Dries Buytaert committed
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
function array2object($node) {

  if (is_array($node)) {
    foreach ($node as $key => $value) {
      $object->$key = $value;
    }
  }
  else {
    $object = $node;
  }

  return $object;
}

function object2array($node) {

  if (is_object($node)) {
    foreach ($node as $key => $value) {
      $array[$key] = $value;
    }
  }
  else {
    $array = $node;
  }

  return $array;
}

Dries Buytaert's avatar
   
Dries Buytaert committed
177
function message_access() {
Dries Buytaert's avatar
   
Dries Buytaert committed
178
  return t("You are not authorized to access this page.");
Dries Buytaert's avatar
   
Dries Buytaert committed
179
180
181
182
183
184
185
186
187
188
}

function message_na() {
  return t("n/a");
}

function message_throttle() {
  return t("You exceeded the maximum submission rate.  Please wait a few minutes and try again.");
}

Dries Buytaert's avatar
   
Dries Buytaert committed
189
190
function locale_init() {
  global $languages, $user;
Dries Buytaert's avatar
   
Dries Buytaert committed
191
192
193
194
195
196
  if ($user->uid && $languages[$user->language]) {
    return $user->language;
  }
  else {
    return key($languages);
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
197
198
}

Dries Buytaert's avatar
   
Dries Buytaert committed
199
function t($string, $args = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
200
  global $languages;
201

Dries Buytaert's avatar
   
Dries Buytaert committed
202
203
204
205
206
207
208
  /*
  ** About the usage of t().  We try to keep strings whole as much as
  ** possible and are unafraid of HTML markup within translation strings
  ** if necessary.  The suggested syntax for a link embedded within a
  ** translation string is for example:
  **
  ** $msg = t("You must login below or <a href=\"%url\">create a new
Dries Buytaert's avatar
   
Dries Buytaert committed
209
210
  **           account</a> before viewing the next page.", array("%url"
  **           => url("user/register")));
Dries Buytaert's avatar
   
Dries Buytaert committed
211
212
  */

213
  $string = ($languages && module_exist("locale") ? locale($string) : $string);
214

Dries Buytaert's avatar
   
Dries Buytaert committed
215
216
  if (!$args) {
    return $string;
Kjartan Mannes's avatar
Kjartan Mannes committed
217
218
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
219
220
    return strtr($string, $args);
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
221
222
}

Dries Buytaert's avatar
   
Dries Buytaert committed
223
function drupal_specialchars($input, $quotes = ENT_NOQUOTES) {
Dries Buytaert's avatar
   
Dries Buytaert committed
224
225
226
227
228
229
230
231
232

  /*
  ** Note that we'd like to go 'htmlspecialchars($input, $quotes, "utf-8")'
  ** like the PHP manual tells us to, but we can't because there's a bug in
  ** PHP <4.3 that makes it mess up multibyte charsets if we specify the
  ** charset.  Change this later once we make PHP 4.3 a requirement.
  */

  return htmlspecialchars($input, $quotes);
Dries Buytaert's avatar
   
Dries Buytaert committed
233
234
}

235
/**
Dries Buytaert's avatar
   
Dries Buytaert committed
236
237
 * Verify the syntax of the given e-mail address. Empty e-mail addresses are
 * allowed. See RFC 2822 for details.
238
 *
Dries Buytaert's avatar
   
Dries Buytaert committed
239
 * @param $mail a email address
240
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
241
function valid_email_address($mail) {
242
243
244
245
246
247
248
249
250
251
252
253
254
  $user = '[a-zA-Z0-9_\-\.\+\^!#\$%&*+\/\=\?\`\|\{\}~\']+';
  $domain = '(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]\.?)+';
  $ipv4 = '[0-9]{1,3}(\.[0-9]{1,3}){3}';
  $ipv6 = '[0-9a-fA-F]{1,4}(\:[0-9a-fA-F]{1,4}){7}';

  if (preg_match("/^$user@($domain|(\[($ipv4|$ipv6)\]))$/", $mail)) {
    return 1;
  }
  else {
    return 0;
  }
}

Dries Buytaert's avatar
   
Dries Buytaert committed
255
256
257
/**
 * Verify the syntax of the given URL.
 *
Dries Buytaert's avatar
   
Dries Buytaert committed
258
 * @param $url an URL
Dries Buytaert's avatar
   
Dries Buytaert committed
259
260
261
 */
function valid_url($url) {

Dries Buytaert's avatar
   
Dries Buytaert committed
262
  if (preg_match("/^[a-zA-z0-9\/:_\-_\.,]+$/", $url)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
263
264
265
266
267
268
269
    return 1;
  }
  else {
    return 0;
  }
}

Kjartan Mannes's avatar
Kjartan Mannes committed
270
271
272
/**
 * Format a single result entry of a search query:
 *
Dries Buytaert's avatar
   
Dries Buytaert committed
273
 * @param $item a single search result as returned by <i>module</i>_search of
274
 *   type array("count" => ..., "link" => ..., "title" => ..., "user" => ...,
Dries Buytaert's avatar
   
Dries Buytaert committed
275
276
 *   "date" => ..., "keywords" => ...)
 * @param $type module type of this item
Kjartan Mannes's avatar
Kjartan Mannes committed
277
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
278
function search_item($item, $type) {
Dries Buytaert's avatar
   
Dries Buytaert committed
279
280
281
282
283
284
285
286
287
288

  /*
  ** Modules may implement the "search_item" hook in order to overwrite
  ** the default function to display search results.
  */

  if (module_hook($type, "search_item")) {
    $output = module_invoke($type, "search_item", $item);
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
289
    $output .= " <b><u><a href=\"". $item["link"] ."\">". $item["title"] ."</a></u></b><br />";
Dries Buytaert's avatar
   
Dries Buytaert committed
290
    $output .= " <small>" . t($type) . ($item["user"] ? " - ". $item["user"] : "") ."". ($item["date"] ? " - ". format_date($item["date"], "small") : "") ."</small>";
Dries Buytaert's avatar
   
Dries Buytaert committed
291
292
    $output .= "<br /><br />";
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
293
294
295
296

  return $output;
}

Kjartan Mannes's avatar
Kjartan Mannes committed
297
298
299
300
/**
 * Render a generic search form.
 *
 * "Generic" means "universal usable" - that is, usable not only from
Dries Buytaert's avatar
   
Dries Buytaert committed
301
302
303
 * 'site.com/search', but also as a simple seach box (without "Restrict search
 * to", help text, etc) from theme's header etc. This means: provide options to
 * only conditionally render certain parts of this form.
Kjartan Mannes's avatar
Kjartan Mannes committed
304
 *
Dries Buytaert's avatar
   
Dries Buytaert committed
305
306
307
308
 * @param $action Form action. Defaults to 'site.com/search'.
 * @param $keys string containing keywords for the search.
 * @param $options != 0: Render additional form fields/text ("Restrict search
 *   to", help text, etc).
Kjartan Mannes's avatar
Kjartan Mannes committed
309
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
310
function search_form($action = NULL, $keys = NULL, $options = NULL) {
Dries Buytaert's avatar
   
Dries Buytaert committed
311
312

  if (!$action) {
Dries Buytaert's avatar
   
Dries Buytaert committed
313
    $action = url("search");
Dries Buytaert's avatar
   
Dries Buytaert committed
314
315
  }

Dries Buytaert's avatar
   
Dries Buytaert committed
316
317
  $output .= " <br /><input type=\"text\" class=\"form-text\" size=\"50\" value=\"". check_form($keys) ."\" name=\"keys\" />";
  $output .= " <input type=\"submit\" class=\"form-submit\" value=\"". t("Search") ."\" />\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
318
319
320
321
322
323
324

  if ($options != 0) {
    $output .= "<br />";
    $output .= t("Restrict search to") .": ";

    foreach (module_list() as $name) {
      if (module_hook($name, "search")) {
Kjartan Mannes's avatar
Kjartan Mannes committed
325
        $output .= " <input type=\"checkbox\" name=\"edit[type][$name]\" ". ($edit["type"][$name] ? " checked=\"checked\"" : "") ." /> ". t($name);
Dries Buytaert's avatar
   
Dries Buytaert committed
326
327
328
329
      }
    }
  }

Kjartan Mannes's avatar
Kjartan Mannes committed
330
331
  $form .= "<br />";

Dries Buytaert's avatar
   
Dries Buytaert committed
332
333
334
335
  return form($output, "post", $action);
}

/*
Kjartan Mannes's avatar
Kjartan Mannes committed
336
337
 * Collect the search results:
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
338
function search_data($keys = NULL) {
Dries Buytaert's avatar
   
Dries Buytaert committed
339
340

  $edit = $_POST["edit"];
Dries Buytaert's avatar
   
Dries Buytaert committed
341

Dries Buytaert's avatar
   
Dries Buytaert committed
342
  if (isset($keys)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
343
    foreach (module_list() as $name) {
Dries Buytaert's avatar
   
Dries Buytaert committed
344
      if (module_hook($name, "search") && (!$edit["type"] || $edit["type"][$name]) && ($result = module_invoke($name, "search", $keys))) {
Kjartan Mannes's avatar
Kjartan Mannes committed
345
        if ($name == "node" || $name == "comment") {
Dries Buytaert's avatar
   
Dries Buytaert committed
346
          $output .= "<p><b>". t("Matching ". $name ."s ranked in order of relevance") .":</b></p>";
Kjartan Mannes's avatar
Kjartan Mannes committed
347
348
        }
        else {
Dries Buytaert's avatar
   
Dries Buytaert committed
349
          $output .= "<p><b>". t("Matching ". $name ."s") .":</b></p>";
Kjartan Mannes's avatar
Kjartan Mannes committed
350
        }
Dries Buytaert's avatar
   
Dries Buytaert committed
351
352
353
354
355
356
357
358
359
360
        foreach ($result as $entry) {
          $output .= search_item($entry, $name);
        }
      }
    }
  }

  return $output;
}

Kjartan Mannes's avatar
Kjartan Mannes committed
361
362
363
/**
 * Display the search form and the resulting data.
 *
Dries Buytaert's avatar
   
Dries Buytaert committed
364
365
366
367
368
369
 * @param $type If set, search only nodes of this type. Otherwise, search all
 *   types.
 * @param $action Form action. Defaults to 'site.com/search'.
 * @param $keys Query string. Defaults to global $keys.
 * @param $options != 0: Render additional form fields/text ("Restrict search
 *   to", help text, etc).
Kjartan Mannes's avatar
Kjartan Mannes committed
370
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
371
function search_type($type, $action = NULL, $keys = NULL, $options = NULL) {
Dries Buytaert's avatar
   
Dries Buytaert committed
372

Dries Buytaert's avatar
   
Dries Buytaert committed
373
  $_POST["edit"]["type"][$type] = "on";
Dries Buytaert's avatar
   
Dries Buytaert committed
374

Dries Buytaert's avatar
   
Dries Buytaert committed
375
  return search_form($action, $keys, $options) . "<br />". search_data($keys);
Dries Buytaert's avatar
   
Dries Buytaert committed
376
377
}

Dries Buytaert's avatar
   
Dries Buytaert committed
378

Dries Buytaert's avatar
   
Dries Buytaert committed
379
380
function drupal_goto($url) {

Dries Buytaert's avatar
   
Dries Buytaert committed
381
382
383
  /*
  ** Translate &amp; to simply &
  */
Dries Buytaert's avatar
   
Dries Buytaert committed
384

Dries Buytaert's avatar
   
Dries Buytaert committed
385
  $url = str_replace("&amp;", "&", $url);
Dries Buytaert's avatar
   
Dries Buytaert committed
386

Dries Buytaert's avatar
   
Dries Buytaert committed
387
388
389
390
391
  /*
  ** It is advised to use "drupal_goto()" instead of PHP's "header()" as
  ** "drupal_goto()" will append the user's session ID to the URI when PHP
  ** is compiled with "--enable-trans-sid".
  */
Dries Buytaert's avatar
   
Dries Buytaert committed
392
  if (!ini_get("session.use_trans_sid") || !session_id() || strstr($url, session_id())) {
Dries Buytaert's avatar
   
Dries Buytaert committed
393
394
395
    header("Location: $url");
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
396
397
398
399
400
401
402
403
    $sid = session_name() . "=" . session_id();

    if (strstr($url, "?") && !strstr($url, $sid)) {
      header("Location: $url&". $sid);
    }
    else {
      header("Location: $url?". $sid);
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
404
405
406
407
  }

  /*
  ** The "Location" header sends a REDIRECT status code to the http
Dries Buytaert's avatar
   
Dries Buytaert committed
408
  ** daemon.  In some cases this can go wrong, so we make sure none
Dries Buytaert's avatar
   
Dries Buytaert committed
409
410
411
412
413
414
  ** of the code /below/ gets executed when we redirect.
  */

  exit();
}

Dries Buytaert's avatar
   
Dries Buytaert committed
415
function valid_input_data($data) {
416

417
  if (is_array($data) || is_object($data)) {
418
419
420
421
422
    /*
    ** Form data can contain a number of nested arrays.
    */

    foreach ($data as $key => $value) {
Dries Buytaert's avatar
   
Dries Buytaert committed
423
424
425
      if (!valid_input_data($value)) {
        return 0;
      }
426
427
428
429
430
431
432
    }
  }
  else {
    /*
    ** Detect evil input data.
    */

Dries Buytaert's avatar
Dries Buytaert committed
433
    // check strings:
Dries Buytaert's avatar
Dries Buytaert committed
434
    $match  = preg_match("/\Wjavascript\s*:/i", $data);
Dries Buytaert's avatar
Dries Buytaert committed
435
436
437
    $match += preg_match("/\Wexpression\s*\(/i", $data);
    $match += preg_match("/\Walert\s*\(/i", $data);

438
    // check attributes:
Dries Buytaert's avatar
Dries Buytaert committed
439
    $match += preg_match("/\W(dynsrc|datasrc|data|lowsrc|on[a-z]+)\s*=[^>]+?>/i", $data);
Dries Buytaert's avatar
   
Dries Buytaert committed
440

441
442

    // check tags:
Dries Buytaert's avatar
   
Dries Buytaert committed
443
    $match += preg_match("/<\s*(applet|script|object|style|embed|form|blink|meta|html|frame|iframe|layer|ilayer|head|frameset|xml)/i", $data);
444
445
446

    if ($match) {
      watchdog("warning", "terminated request because of suspicious input data: ". drupal_specialchars($data));
Dries Buytaert's avatar
   
Dries Buytaert committed
447
      return 0;
448
449
    }
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
450
451

  return 1;
452
}
Dries Buytaert's avatar
   
Dries Buytaert committed
453

Dries Buytaert's avatar
   
Dries Buytaert committed
454
function check_form($text) {
Dries Buytaert's avatar
   
Dries Buytaert committed
455
  return drupal_specialchars($text, ENT_QUOTES);
Dries Buytaert's avatar
   
Dries Buytaert committed
456
457
458
}

function filter($text) {
Dries Buytaert's avatar
   
Dries Buytaert committed
459

Dries Buytaert's avatar
   
Dries Buytaert committed
460
461
462
463
464
465
466
467
468
469
470
471
472
  $modules = module_list();

  /*
  ** Make sure the HTML filters that are part of the node module
  ** are run first.
  */

  if (in_array("node", $modules)) {
    $text = module_invoke("node", "filter", $text);
  }

  foreach ($modules as $name) {
    if (module_hook($name, "filter") && $name != "node") {
Dries Buytaert's avatar
   
Dries Buytaert committed
473
474
475
476
477
      $text = module_invoke($name, "filter", $text);
    }
  }

  return $text;
Dries Buytaert's avatar
   
Dries Buytaert committed
478
479
}

Dries Buytaert's avatar
   
Dries Buytaert committed
480
481
function rewrite_old_urls($text) {

Dries Buytaert's avatar
   
Dries Buytaert committed
482
483
484
485
  global $base_url;

  $end = substr($base_url, 12);

Dries Buytaert's avatar
   
Dries Buytaert committed
486
487
488
  /*
  ** This is a *temporary* filter to rewrite old-style URLs to new-style
  ** URLs (clean URLs).  Currently, URLs are being rewritten dynamically
Dries Buytaert's avatar
   
Dries Buytaert committed
489
490
  ** (ie. "on output"), however when these rewrite rules have been tested
  ** enough, we will use them to permanently rewrite the links in node
Dries Buytaert's avatar
   
Dries Buytaert committed
491
492
493
  ** and comment bodies.
  */

Dries Buytaert's avatar
   
Dries Buytaert committed
494
  if (variable_get("clean_url", "0") == "0") {
Dries Buytaert's avatar
   
Dries Buytaert committed
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
    /*
    ** Relative URLs:
    */

    // rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
    $text = eregi_replace("\"(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "\"?q=\\1/view/\\2/\\4", $text);

    // rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
    $text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"?q=\\2/\\4/\\6" , $text);
    $text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"?q=\\2/\\4", $text);
    $text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "\"?q=\\2", $text);

    /*
    ** Absolute URLs:
    */

Dries Buytaert's avatar
   
Dries Buytaert committed
511
    // rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
Dries Buytaert's avatar
   
Dries Buytaert committed
512
    $text = eregi_replace("$end/(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "$end/?q=\\1/view/\\2/\\4", $text);
Dries Buytaert's avatar
   
Dries Buytaert committed
513

Dries Buytaert's avatar
   
Dries Buytaert committed
514
    // rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
Dries Buytaert's avatar
   
Dries Buytaert committed
515
516
517
    $text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/?q=\\2/\\4/\\6" , $text);
    $text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/?q=\\2/\\4", $text);
    $text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "\"$end/?q=\\2", $text);
Dries Buytaert's avatar
   
Dries Buytaert committed
518
519
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
520
521
522
523
    /*
    ** Relative URLs:
    */

Dries Buytaert's avatar
   
Dries Buytaert committed
524
    // rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
Dries Buytaert's avatar
   
Dries Buytaert committed
525
    $text = eregi_replace("\"(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "\"\\1/view/\\2/\\4", $text);
Dries Buytaert's avatar
   
Dries Buytaert committed
526
527

    // rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
Dries Buytaert's avatar
   
Dries Buytaert committed
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
    $text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"\\2/\\4/\\6", $text);
    $text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "\"\\2/\\4", $text);
    $text = ereg_replace("\"module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "\"\\2", $text);

    /*
    ** Absolute URLs:
    */

    // rewrite 'node.php?id=<number>[&cid=<number>]' style URLs:
    $text = eregi_replace("$end/(node)\.php\?id=([[:digit:]]+)(&cid=)?([[:digit:]]*)", "$end/\\1/view/\\2/\\4", $text);

    // rewrite 'module.php?mod=<name>{&<op>=<value>}' style URLs:
    $text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/\\2/\\4/\\6", $text);
    $text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/\\2/\\4", $text);
    $text = ereg_replace("$end/module\.php\?(&?[[:alpha:]]+=([[:alnum:]]+))", "$end/\\2", $text);
}
Dries Buytaert's avatar
   
Dries Buytaert committed
544

Dries Buytaert's avatar
   
Dries Buytaert committed
545
546
547
  return $text;
}

Dries Buytaert's avatar
   
Dries Buytaert committed
548
function check_output($text) {
Dries Buytaert's avatar
   
Dries Buytaert committed
549
  if (isset($text)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
550
551
552
    // filter content on output:
    $text = filter($text);

Dries Buytaert's avatar
   
Dries Buytaert committed
553
554
555
556
557
    /*
    ** If only inline elements are used and no block level elements, we
    ** replace all newlines with HTML line breaks.
    */
    if (strip_tags($text, '<a><br><span><bdo><map><object><img><tt><i><b><big><small><em><strong><dfn><code><q><samp><kbd><var><cite><abbr><acronym><sub><sup><input><select><textarea><label><button><ins><del><script>') == $text) {
Dries Buytaert's avatar
   
Dries Buytaert committed
558
559
560
561
562
563
564
565
      $text = nl2br($text);
    }
  }
  else {
    $text = message_na();
  }

  return $text;
Dries Buytaert's avatar
   
Dries Buytaert committed
566
567
}

568

569
570
function check_file($filename) {
  return is_uploaded_file($filename);
Dries Buytaert's avatar
   
Dries Buytaert committed
571
572
}

Dries Buytaert's avatar
   
Dries Buytaert committed
573
574
575
function format_rss_channel($title, $link, $description, $items, $language = "en", $args = array()) {
  // arbitrary elements may be added using the $args associative array

Dries Buytaert's avatar
   
Dries Buytaert committed
576
  $output .= "<channel>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
577
578
579
580
  $output .= " <title>". drupal_specialchars(strip_tags($title)) ."</title>\n";
  $output .= " <link>". drupal_specialchars(strip_tags($link)) ."</link>\n";
  $output .= " <description>". drupal_specialchars($description) ."</description>\n";
  $output .= " <language>". drupal_specialchars(strip_tags($language)) ."</language>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
581
  foreach ($args as $key => $value) {
Dries Buytaert's avatar
   
Dries Buytaert committed
582
    $output .= " <$key>". drupal_specialchars(strip_tags($value)) ."</$key>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
583
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
584
585
586
587
588
589
  $output .= $items;
  $output .= "</channel>\n";

  return $output;
}

Dries Buytaert's avatar
   
Dries Buytaert committed
590
591
592
function format_rss_item($title, $link, $description, $args = array()) {
  // arbitrary elements may be added using the $args associative array

Dries Buytaert's avatar
   
Dries Buytaert committed
593
  $output .= "<item>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
594
595
596
  $output .= " <title>". drupal_specialchars(strip_tags($title)) ."</title>\n";
  $output .= " <link>". drupal_specialchars(strip_tags($link)) ."</link>\n";
  $output .= " <description>". drupal_specialchars(check_output($description)) ."</description>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
597
  foreach ($args as $key => $value) {
Dries Buytaert's avatar
   
Dries Buytaert committed
598
    $output .= "<$key>". drupal_specialchars(strip_tags($value)) ."</$key>";
Dries Buytaert's avatar
   
Dries Buytaert committed
599
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
600
601
602
603
604
  $output .= "</item>\n";

  return $output;
}

Dries Buytaert's avatar
   
Dries Buytaert committed
605
606
/**
 * Formats a string with a count of items so that the string is pluralized
Dries Buytaert's avatar
   
Dries Buytaert committed
607
608
 * correctly. format_plural calls t() by itself, make sure not to pass already
 * localized strings to it.
Dries Buytaert's avatar
   
Dries Buytaert committed
609
 *
Dries Buytaert's avatar
   
Dries Buytaert committed
610
611
612
613
614
615
616
 * @param $count The item count to display.
 * @param $singular The string for the singular case. Please make sure it's
 *   clear this is singular, to ease translation. ("1 new comment" instead of "1
 *   new").
 * @param $plural The string for the plrual case. Please make sure it's clear
 *   this is plural, to ease translation. Use %count in places of the item
 *   count, as in "%count new comments".
Dries Buytaert's avatar
   
Dries Buytaert committed
617
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
618
function format_plural($count, $singular, $plural) {
Dries Buytaert's avatar
   
Dries Buytaert committed
619
  return t($count == 1 ? $singular : $plural, array("%count" => $count));
Dries Buytaert's avatar
   
Dries Buytaert committed
620
621
622
}

function format_size($size) {
Dries Buytaert's avatar
   
Dries Buytaert committed
623
  $suffix = t("bytes");
Dries Buytaert's avatar
   
Dries Buytaert committed
624
625
  if ($size > 1024) {
    $size = round($size / 1024, 2);
Dries Buytaert's avatar
   
Dries Buytaert committed
626
    $suffix = t("KB");
Dries Buytaert's avatar
   
Dries Buytaert committed
627
628
629
  }
  if ($size > 1024) {
    $size = round($size / 1024, 2);
Dries Buytaert's avatar
   
Dries Buytaert committed
630
    $suffix = t("MB");
Dries Buytaert's avatar
   
Dries Buytaert committed
631
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
632
  return t("%size %suffix", array("%size" => $size, "%suffix" => $suffix));
Dries Buytaert's avatar
   
Dries Buytaert committed
633
634
635
}

function format_interval($timestamp) {
Dries Buytaert's avatar
   
Dries Buytaert committed
636
  $units = array("1 year|%count years" => 31536000, "1 week|%count weeks" => 604800, "1 day|%count days" => 86400, "1 hour|%count hours" => 3600, "1 min|%count min" => 60, "1 sec|%count sec" => 1);
Kjartan Mannes's avatar
Kjartan Mannes committed
637
  foreach ($units as $key=>$value) {
Dries Buytaert's avatar
   
Dries Buytaert committed
638
639
640
641
642
643
    $key = explode("|", $key);
    if ($timestamp >= $value) {
      $output .= ($output ? " " : "") . format_plural(floor($timestamp / $value), $key[0], $key[1]);
      $timestamp %= $value;
    }
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
644
  return ($output) ? $output : t("0 sec");
Dries Buytaert's avatar
   
Dries Buytaert committed
645
646
647
648
649
}

function format_date($timestamp, $type = "medium", $format = "") {
  global $user;

Kjartan Mannes's avatar
Kjartan Mannes committed
650
  $timestamp += ($user->timezone) ? $user->timezone - date("Z") : 0;
Dries Buytaert's avatar
   
Dries Buytaert committed
651
652
653

  switch ($type) {
    case "small":
Dries Buytaert's avatar
   
Dries Buytaert committed
654
      $format = variable_get("date_format_short", "m/d/Y - H:i");
Dries Buytaert's avatar
   
Dries Buytaert committed
655
656
      break;
    case "large":
Dries Buytaert's avatar
   
Dries Buytaert committed
657
      $format = variable_get("date_format_long", "l, F j, Y - H:i");
Dries Buytaert's avatar
   
Dries Buytaert committed
658
659
      break;
    case "custom":
Dries Buytaert's avatar
   
Dries Buytaert committed
660
      // No change to format
Dries Buytaert's avatar
   
Dries Buytaert committed
661
      break;
Dries Buytaert's avatar
   
Dries Buytaert committed
662
    case "medium":
Dries Buytaert's avatar
   
Dries Buytaert committed
663
    default:
Dries Buytaert's avatar
   
Dries Buytaert committed
664
665
666
667
668
669
670
671
672
673
674
675
676
      $format = variable_get("date_format_medium", "D, m/d/Y - H:i");
  }

  for ($i = strlen($format); $i >= 0; $c = $format[--$i]) {
    if (strstr("DFlMSw", $c)) {
      $date = t(date($c, $timestamp)) . $date;
    }
    else if (strstr("AaBdgGhHiIjLmnOrstTUWYyZz", $c)) {
      $date = date($c, $timestamp) . $date;
    }
    else {
      $date = $c.$date;
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
677
678
679
680
681
682
683
  }
  return $date;
}

function format_name($object) {

  if ($object->uid && $object->name) {
684
685
686
687
688
689
690
691
692
693
694
695
    /*
    ** Shorten the name when it is too long or it will break many
    ** tables.
    */

    if (strlen($object->name) > 20) {
      $name = substr($object->name, 0, 15) ."...";
    }
    else {
      $name = $object->name;
    }

Dries Buytaert's avatar
   
Dries Buytaert committed
696
    if (arg(0) == "admin") {
697
      $output = l($name, "admin/user/edit/$object->uid", array("title" => t("Administer user profile.")));
Dries Buytaert's avatar
   
Dries Buytaert committed
698
699
    }
    else {
700
      $output = l($name, "user/view/$object->uid", array("title" => t("View user profile.")));
Dries Buytaert's avatar
   
Dries Buytaert committed
701
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
702
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
703
704
705
706
707
708
709
710
711
712
  else if ($object->name) {
    /*
    ** Sometimes modules display content composed by people who are
    ** not registers members of the site (i.e. mailing list or news
    ** aggregator modules).  This clause enables modules to display
    ** the true author of the content.
    */

    $output = $object->name;
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
713
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
714
    $output = t(variable_get("anonymous", "Anonymous"));
Dries Buytaert's avatar
   
Dries Buytaert committed
715
716
  }

Dries Buytaert's avatar
   
Dries Buytaert committed
717
  return $output;
Dries Buytaert's avatar
   
Dries Buytaert committed
718
719
720
}

function form($form, $method = "post", $action = 0, $options = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
721
722

  if (!$action) {
723
    $action = request_uri();
Dries Buytaert's avatar
   
Dries Buytaert committed
724
  }
725
  return "<form action=\"$action\" method=\"$method\"". drupal_attributes($options) .">\n$form\n</form>\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
726
727
728
}

function form_item($title, $value, $description = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
729
  return theme("form_element", $title, $value, $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
730
}
Dries Buytaert's avatar
   
Dries Buytaert committed
731

Dries Buytaert's avatar
   
Dries Buytaert committed
732
733
734
function form_group($legend, $group, $description = 0) {
  return "<fieldset>" . ($legend ? "<legend>$legend</legend>" : "") . $group . ($description ? "<div class=\"description\">$description</div>" : "") . "</fieldset>\n";
}
Dries Buytaert's avatar
   
Dries Buytaert committed
735

736
function form_radio($title, $name, $value = 1, $checked = 0, $description = 0, $attributes = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
737
  return theme("form_element", 0, "<input type=\"radio\" class=\"form-radio\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") . drupal_attributes($attributes) ." /> $title", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
738
739
}

740
function form_checkbox($title, $name, $value = 1, $checked = 0, $description = 0, $attributes = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
741
  return form_hidden($name, 0) . theme("form_element", 0, "<input type=\"checkbox\" class=\"form-checkbox\" name=\"edit[$name]\" value=\"". $value ."\"". ($checked ? " checked=\"checked\"" : "") . drupal_attributes($attributes) ." /> $title", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
742
743
}

744
function form_textfield($title, $name, $value, $size, $maxlength, $description = 0, $attributes = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
745
  $size = $size ? " size=\"$size\"" : "";
Dries Buytaert's avatar
   
Dries Buytaert committed
746
  return theme("form_element", $title, "<input type=\"text\" maxlength=\"$maxlength\" class=\"form-text\" name=\"edit[$name]\"$size value=\"". check_form($value) ."\"". drupal_attributes($attributes) ." />", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
747
748
}

749
function form_password($title, $name, $value, $size, $maxlength, $description = 0, $attributes = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
750
  $size = $size ? " size=\"$size\"" : "";
Dries Buytaert's avatar
   
Dries Buytaert committed
751
  return theme("form_element", $title, "<input type=\"password\" class=\"form-password\" maxlength=\"$maxlength\" name=\"edit[$name]\"$size value=\"". check_form($value) ."\"". drupal_attributes($attributes) ." />", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
752
753
}

754
function form_textarea($title, $name, $value, $cols, $rows, $description = 0, $attributes = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
755
  $cols = $cols ? " cols=\"$cols\"" : "";
Dries Buytaert's avatar
   
Dries Buytaert committed
756
  module_invoke_all("textarea", $name);  // eg. optionally plug in a WYSIWYG editor
Dries Buytaert's avatar
   
Dries Buytaert committed
757
  return theme("form_element", $title, "<textarea wrap=\"virtual\"$cols rows=\"$rows\" name=\"edit[$name]\" id=\"edit[$name]\"". drupal_attributes($attributes) .">". check_form($value) ."</textarea>", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
758
759
}

Dries Buytaert's avatar
   
Dries Buytaert committed
760
function form_select($title, $name, $value, $options, $description = 0, $extra = 0, $multiple = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
761
  if (count($options) > 0) {
Kjartan Mannes's avatar
Kjartan Mannes committed
762
    foreach ($options as $key=>$choice) {
763
      $select .= "<option value=\"$key\"". (is_array($value) ? (in_array($key, $value) ? " selected=\"selected\"" : "") : ($value == $key ? " selected=\"selected\"" : "")) .">". check_form($choice) ."</option>";
Dries Buytaert's avatar
   
Dries Buytaert committed
764
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
765
    return theme("form_element", $title, "<select name=\"edit[$name]". ($multiple ? "[]" : "") ."\"". ($multiple ? " multiple " : "") . ($extra ? " $extra" : "") .">$select</select>", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
766
767
768
  }
}

Dries Buytaert's avatar
   
Dries Buytaert committed
769
770
771
772
773
function form_radios($title, $name, $value, $options, $description = 0) {
  if (count($options) > 0) {
    foreach ($options as $key=>$choice) {
      $output .= form_radio($choice, $name, $key, ($key == $value));
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
774
    return theme("form_element", $title, $output, $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
775
776
777
  }
}

778
function form_file($title, $name, $size, $description = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
779
  return theme("form_element", $title, "<input type=\"file\" class=\"form-file\" name=\"edit[$name]\" size=\"$size\" />\n", $description);
Dries Buytaert's avatar
   
Dries Buytaert committed
780
781
782
783
784
785
}

function form_hidden($name, $value) {
  return "<input type=\"hidden\" name=\"edit[$name]\" value=\"". check_form($value) ."\" />\n";
}

786
function form_submit($value, $name = "op", $attributes = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
787
  return "<input type=\"submit\" class=\"form-submit\" name=\"$name\" value=\"". check_form($value) ."\" />\n";
Dries Buytaert's avatar
   
Dries Buytaert committed
788
789
}

Dries Buytaert's avatar
   
Dries Buytaert committed
790
function form_weight($title = NULL, $name = "weight", $value = 0, $delta = 10, $description = 0, $extra = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
791
  for ($n = (-1 * $delta); $n <= $delta; $n++) {
Dries Buytaert's avatar
   
Dries Buytaert committed
792
793
794
795
796
797
    $weights[$n] = $n;
  }

  return form_select($title, $name, $value, $weights, $description, $extra);
}

Dries Buytaert's avatar
   
Dries Buytaert committed
798
799
800
801
function form_allowed_tags_text() {
  return variable_get("allowed_html", "") ? (t("Allowed HTML tags") .": ". htmlspecialchars(variable_get("allowed_html", ""))) : "";
}

Dries Buytaert's avatar
   
Dries Buytaert committed
802
803
804
/**
 * Given an old url, return the alias.
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
805
806
function drupal_get_path_alias($path) {
  $map = drupal_get_path_map();
Dries Buytaert's avatar
   
Dries Buytaert committed
807

Dries Buytaert's avatar
   
Dries Buytaert committed
808
809
810
  if ($map) {
    return array_search($path, $map);
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
811
812
813
}

/**
Dries Buytaert's avatar
   
Dries Buytaert committed
814
 * Given an alias, return the default url.
Dries Buytaert's avatar
   
Dries Buytaert committed
815
 */
Dries Buytaert's avatar
   
Dries Buytaert committed
816
817
function drupal_get_normal_path($path) {
  $map = drupal_get_path_map();
Dries Buytaert's avatar
   
Dries Buytaert committed
818
819
820
821
822
823
824

  if ($map[$path]) {
    return $map[$path];
  }
  else {
    return $path;
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
825
826
}

Dries Buytaert's avatar
   
Dries Buytaert committed
827
function url($url = NULL, $query = NULL) {
Dries Buytaert's avatar
   
Dries Buytaert committed
828
  global $base_url;
Dries Buytaert's avatar
   
Dries Buytaert committed
829

Dries Buytaert's avatar
   
Dries Buytaert committed
830
831
832
833
834
835
836
837
838
839
840
  static $script;

  if (empty($script)) {
    /*
    ** On some webservers such as IIS we can't omit "index.php".  As such we
    ** generate "index.php?q=foo" instead of "?q=foo" on anything that is not
    ** Apache.
    */
    $script = (strpos($_SERVER["SERVER_SOFTWARE"], "Apache") === false) ? "index.php" : "";
  }

Dries Buytaert's avatar
   
Dries Buytaert committed
841
  if ($alias = drupal_get_path_alias($url)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
842
843
844
    $url = $alias;
  }

Dries Buytaert's avatar
   
Dries Buytaert committed
845
  if (variable_get("clean_url", "0") == "0") {
Dries Buytaert's avatar
   
Dries Buytaert committed
846
847
    if (isset($url)) {
      if (isset($query)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
848
        return "$base_url/$script?q=$url&amp;$query";
Dries Buytaert's avatar
   
Dries Buytaert committed
849
850
      }
      else {
Dries Buytaert's avatar
   
Dries Buytaert committed
851
        return "$base_url/$script?q=$url";
Dries Buytaert's avatar
   
Dries Buytaert committed
852
      }
Dries Buytaert's avatar
   
Dries Buytaert committed
853
854
    }
    else {
Dries Buytaert's avatar
   
Dries Buytaert committed
855
      if (isset($query)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
856
        return "$base_url/$script?$query";
Dries Buytaert's avatar
   
Dries Buytaert committed
857
858
      }
      else {
Dries Buytaert's avatar
   
Dries Buytaert committed
859
        return "$base_url/";
Dries Buytaert's avatar
   
Dries Buytaert committed
860
      }
Dries Buytaert's avatar
   
Dries Buytaert committed
861
862
863
    }
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
864
865
    if (isset($url)) {
      if (isset($query)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
866
        return "$base_url/$url?$query";
Dries Buytaert's avatar
   
Dries Buytaert committed
867
868
      }
      else {
Dries Buytaert's avatar
   
Dries Buytaert committed
869
        return "$base_url/$url";
Dries Buytaert's avatar
   
Dries Buytaert committed
870
      }
Dries Buytaert's avatar
   
Dries Buytaert committed
871
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
872
    else {
Dries Buytaert's avatar
   
Dries Buytaert committed
873
      if (isset($query)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
874
        return "$base_url/$script?$query";
Dries Buytaert's avatar
   
Dries Buytaert committed
875
876
      }
      else {
Dries Buytaert's avatar
   
Dries Buytaert committed
877
        return "$base_url/";
Dries Buytaert's avatar
   
Dries Buytaert committed
878
      }
Dries Buytaert's avatar
   
Dries Buytaert committed
879
    }
Dries Buytaert's avatar
   
Dries Buytaert committed
880
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
881
882
}

883
884
885
886
887
888
889
function drupal_attributes($attributes = 0) {
  if (is_array($attributes)) {
    $t = array();
    foreach ($attributes as $key => $value) {
      $t[] = "$key=\"$value\"";
    }
    return " ". implode($t, " ");
Dries Buytaert's avatar
   
Dries Buytaert committed
890
  }
891
}
Dries Buytaert's avatar
   
Dries Buytaert committed
892

893
894
function l($text, $url, $attributes = array(), $query = NULL) {
  return "<a href=\"". url($url, $query) ."\"". drupal_attributes($attributes) .">$text</a>";
Dries Buytaert's avatar
   
Dries Buytaert committed
895
896
}

Dries Buytaert's avatar
   
Dries Buytaert committed
897
function field_get($string, $name) {
898
  ereg(",?$name=([^,]+)", ", $string", $regs);
Dries Buytaert's avatar
   
Dries Buytaert committed
899
900
901
902
903
  return $regs[1];
}

function field_set($string, $name, $value) {
  $rval = ereg_replace(",$name=[^,]+", "", ",$string");
Dries Buytaert's avatar
   
Dries Buytaert committed
904
  if (isset($value)) {
Kjartan Mannes's avatar
Kjartan Mannes committed
905
906
    $rval .= ($rval == "," ? "" : ",") ."$name=$value";
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
907
908
909
910
  return substr($rval, 1);
}

function link_page() {
911
  global $custom_links;
Dries Buytaert's avatar
   
Dries Buytaert committed
912

913
  if (is_array($custom_links)) {
914
915
916
    return $custom_links;
  }
  else {
Dries Buytaert's avatar
   
Dries Buytaert committed
917
    $links = module_invoke_all("link", "page");
918
    array_unshift($links, l(t("home"), "", array("title" => t("Return to the main page."))));
919
    return $links;
Dries Buytaert's avatar
   
Dries Buytaert committed
920
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
921
}
Dries Buytaert's avatar
   
Dries Buytaert committed
922
923

function link_node($node, $main = 0) {
Dries Buytaert's avatar
   
Dries Buytaert committed
924
  return module_invoke_all("link", "node", $node, $main);
Dries Buytaert's avatar
   
Dries Buytaert committed
925
926
}

Dries Buytaert's avatar
   
Dries Buytaert committed
927
function drupal_page_footer() {
Dries Buytaert's avatar
   
Dries Buytaert committed
928
  if (variable_get("cache", 0)) {
Dries Buytaert's avatar
   
Dries Buytaert committed
929
    page_set_cache();
Dries Buytaert's avatar
   
Dries Buytaert committed
930
  }
Dries Buytaert's avatar
   
Dries Buytaert committed
931

Dries Buytaert's avatar
   
Dries Buytaert committed
932
933
934
935
936
  /*
  ** A hook for modules where modules may take action at the end of a
  ** request good uses include setting a cache, page logging, etc.
  */

Dries Buytaert's avatar
   
Dries Buytaert committed
937
  module_invoke_all("exit");
Dries Buytaert's avatar
   
Dries Buytaert committed
938
939
940
}

include_once "includes/theme.inc";
Dries Buytaert's avatar
   
Dries Buytaert committed
941
include_once "includes/pager.inc";
Dries Buytaert's avatar
   
Dries Buytaert committed
942
include_once "includes/menu.inc";
Dries Buytaert's avatar
   
Dries Buytaert committed
943
include_once "includes/xmlrpc.inc";
Dries Buytaert's avatar
   
Dries Buytaert committed
944
include_once "includes/tablesort.inc";
945

Dries Buytaert's avatar
   
Dries Buytaert committed
946
947
948
// set error handler:
set_error_handler("error_handler");

Dries Buytaert's avatar
   
Dries Buytaert committed
949
// spit out the correct charset http header
Dries Buytaert's avatar
   
Dries Buytaert committed
950
header("Content-Type: text/html; charset=utf-8");
Dries Buytaert's avatar
   
Dries Buytaert committed
951

Dries Buytaert's avatar
   
Dries Buytaert committed
952
953
// initialize the _GET["q"] prior to loading the modules and invoking their 'init' hook:
if (!empty($_GET["q"])) {
Dries Buytaert's avatar
   
Dries Buytaert committed
954
  $_GET["q"] = drupal_get_normal_path(trim($_GET["q"], "/"));
Dries Buytaert's avatar
   
Dries Buytaert committed
955
956
}
else {
Dries Buytaert's avatar
   
Dries Buytaert committed
957
  $_GET["q"] = drupal_get_normal_path(variable_get("site_frontpage", "node"));
Dries Buytaert's avatar
   
Dries Buytaert committed
958
959
}

Dries Buytaert's avatar
   
Dries Buytaert committed
960
961
962
// initialize installed modules:
module_init();

963
if ($_REQUEST && !user_access("bypass input data check")) {
Dries Buytaert's avatar
   
Dries Buytaert committed
964
965
966
967
968
  if (!valid_input_data($_REQUEST)) {
    die("terminated request because of suspicious input data");
  }
}

Dries Buytaert's avatar
   
Dries Buytaert committed
969
970
971
972
// initialize localization system:
$locale = locale_init();

// initialize theme:
Dries Buytaert's avatar
   
Dries Buytaert committed
973
$theme = init_theme();
Dries Buytaert's avatar
   
Dries Buytaert committed
974

Dries Buytaert's avatar
   
Dries Buytaert committed
975
?>