node.module 36.7 KB
Newer Older
Dries's avatar
   
Dries committed
1
<?php
2
// $Id$
Dries's avatar
   
Dries committed
3

Dries's avatar
   
Dries committed
4
5
6
7
8
function node_help() {
  global $mod;

  if ($mod == "node") {
    foreach (module_list() as $name) {
Dries's avatar
   
Dries committed
9
      if (module_hook($name, "node") && $name != "node") {
Dries's avatar
   
Dries committed
10
        print "<h3>". t("%module type", array("%module" => ucfirst(module_invoke($name, "node", "name")))). "</h3>";
Dries's avatar
   
Dries committed
11
12
13
14
15
16
        print module_invoke($name, "help");
      }
    }
  }
}

17
function node_system($field){
Kjartan's avatar
Kjartan committed
18
  $system["description"] = t("The core that allows content to be submitted to the site.");
19
20
21
  return $system[$field];
}

Dries's avatar
   
Dries committed
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
function node_teaser($body) {

  $size = 400;

  /*
  ** If we have a short body, return the entire body:
  */

  if (strlen($body) < $size) {
    return $body;
  }

  /*
  ** If we have a long body, try not to split paragraphs:
  */

  if ($length = strpos($body, "\n", $size)) {
    return substr($body, 0, $length + 1);
  }

  /*
  ** If we have a long body, try not to split sentences:
  */

  return substr($body, 0, strpos($body, ". ", $size) + 1);

}

function node_invoke($node, $name, $arg = 0) {
  if (is_array($node)) {
Kjartan's avatar
Kjartan committed
52
    $function = $node["type"] ."_$name";
Dries's avatar
   
Dries committed
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
  }
  else if (is_object($node)) {
    $function = $node->type ."_$name";
  }
  else if (is_string($node)) {
    $function = $node ."_$name";
  }

  if (function_exists($function)) {
    return ($arg ? $function($node, $arg) : $function($node));
  }
}

function node_load($conditions) {

  /*
  ** Turn the conditions into a query:
  */

  foreach ($conditions as $key => $value) {
    $cond[] = "n.". check_query($key) ." = '". check_query($value) ."'";
  }

  /*
  ** Retrieve the node:
  */

  $node = db_fetch_object(db_query("SELECT n.*, u.uid, u.name FROM node n LEFT JOIN users u ON u.uid = n.uid WHERE ". implode(" AND ", $cond)));

  /*
  ** Unserialize the revisions field:
  */

  if ($node->revisions) {
    $node->revisions = unserialize($node->revisions);
  }

  /*
  ** Call the node specific callback (if any) and piggy-back the
  ** results to the node or overwrite some values:
  */

  if ($extra = module_invoke($node->type, "load", $node)) {
    foreach ($extra as $key => $value) {
      $node->$key = $value;
    }
  }

  return $node;
}

function node_save($node, $filter) {

106
  $fields = array("nid", "uid", "type", "title", "teaser", "body", "revisions", "score", "status", "comment", "promote", "static", "moderate", "created", "changed", "users", "votes");
Dries's avatar
   
Dries committed
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148

  foreach ($filter as $key => $value) {
    /*
    ** Only save those fields specified by the filter.  If the filter
    ** does not specify a default value, use the value of the $node's
    ** corresponding field instead.
    */

    if (is_numeric($key)) {
      if (isset($node->$value)) {
          // The above check is mandatory.
        $edit->$value = $node->$value;
      }
    }
    else {
      if (isset($value)) {
          // The above check is mandatory.
        $edit->$key = $value;
      }
    }
  }

  $node = $edit;

  /*
  ** Serialize the revisions field:
  */

  if ($node->revisions) {
    $node->revisions = serialize($node->revisions);
  }

  /*
  ** Apply filters to some default node fields:
  */

  if (empty($node->nid)) {

    /*
    ** Insert a new node:
    */

Dries's avatar
   
Dries committed
149
    // Set some required fields:
150
151
152
    if (!$node->created) {
      $node->created = time();
    }
Dries's avatar
   
Dries committed
153
    $node->changed = time();
Dries's avatar
   
Dries committed
154
    $node->nid = db_next_id("node");
Dries's avatar
   
Dries committed
155

Dries's avatar
   
Dries committed
156
    // Prepare the query:
Dries's avatar
   
Dries committed
157
158
159
160
161
162
163
    foreach ($node as $key => $value) {
      if (in_array($key, $fields)) {
        $k[] = check_query($key);
        $v[] = "'". check_query($value) ."'";
      }
    }

Dries's avatar
   
Dries committed
164
    // Insert the node into the database:
Dries's avatar
   
Dries committed
165
166
    db_query("INSERT INTO node (". implode(", ", $k) .") VALUES (". implode(", ", $v) .")");

Dries's avatar
   
Dries committed
167
    // Call the node specific callback (if any):
Dries's avatar
   
Dries committed
168
169
170
171
172
173
174
175
    module_invoke($node->type, "insert", $node);
  }
  else {

    /*
    ** Update an existing node:
    */

Dries's avatar
   
Dries committed
176
    // Set some required fields:
Dries's avatar
   
Dries committed
177
178
    $node->changed = time();

Dries's avatar
   
Dries committed
179
    // Prepare the query:
Dries's avatar
   
Dries committed
180
181
182
183
184
185
    foreach ($node as $key => $value) {
      if (in_array($key, $fields)) {
        $q[] = check_query($key) ." = '". check_query($value) ."'";
      }
    }

Dries's avatar
   
Dries committed
186
    // Update the node in the database:
Dries's avatar
   
Dries committed
187
188
    db_query("UPDATE node SET ". implode(", ", $q) ." WHERE nid = '$node->nid'");

Dries's avatar
   
Dries committed
189
    // Call the node specific callback (if any):
Dries's avatar
   
Dries committed
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
    module_invoke($node->type, "update", $node);

  }

  /*
  ** Return the node ID:
  */

  return $node->nid;

}

function node_view($node, $main = 0) {
  global $theme;

Dries's avatar
   
Dries committed
205
  $node = array2object($node);
Dries's avatar
   
Dries committed
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224

  /*
  ** The "view" hook can be implemented to overwrite the default function
  ** to display nodes.
  */

  if (module_hook($node->type, "view")) {
    node_invoke($node, "view", $main);
  }
  else {

    /*
    ** Default behavior:
    */

    $theme->node($node, $main);
  }
}

Dries's avatar
   
Dries committed
225
226
function node_access($op, $node = 0) {

Dries's avatar
   
Dries committed
227
228
  if (user_access("administer nodes")) {
    return 1;
Dries's avatar
   
Dries committed
229
  }
Dries's avatar
   
Dries committed
230
  else {
Dries's avatar
   
Dries committed
231

Dries's avatar
   
Dries committed
232
233
234
    /*
    ** Convert the node to an object if necessary:
    */
Dries's avatar
   
Dries committed
235

Dries's avatar
   
Dries committed
236
    $node = array2object($node);
Dries's avatar
   
Dries committed
237

Dries's avatar
   
Dries committed
238
239
240
241
    /*
    ** Construct a function:
    */

Dries's avatar
   
Dries committed
242
243
244
245
246
247
248
249
    if ($node->type) {
      $type = $node->type;
    }
    else {
      $type = $node;
    }

    $function = $type ."_access";
Dries's avatar
   
Dries committed
250
251
252
253
254
255
256

    if (function_exists($function)) {
      return $function($op, $node);
    }
    else {
      return 0;
    }
Dries's avatar
   
Dries committed
257
258
259
  }
}

Dries's avatar
   
Dries committed
260
function node_perm() {
Dries's avatar
   
Dries committed
261
  return array("administer nodes", "access content", "post content");
Dries's avatar
   
Dries committed
262
263
}

Dries's avatar
   
Dries committed
264
function node_search($keys) {
Dries's avatar
   
Dries committed
265
  global $PHP_SELF;
Dries's avatar
   
Dries committed
266

Kjartan's avatar
Kjartan committed
267
268
269
270
271
272
273
274
275
276
277
278
  // Return the results of performing a search using the indexed search
  // for this particular type of node.
  //
  // Pass an array to the "do_search" function which dictates what it
  // will search through, and what it will search for
  //
  // "keys"'s value is the keywords entered by the user
  //
  // "type"'s value is used to identify the node type in the search
  // index.
  //
  // "select"'s value is used to relate the data from the specific nodes
Dries's avatar
   
Dries committed
279
  // table to the data that the search_index table has in it, and the the
Kjartan's avatar
Kjartan committed
280
281
  // do_search functino will rank it.
  //
Dries's avatar
   
Dries committed
282
  // The select must always provide the following fields - lno, title,
Kjartan's avatar
Kjartan committed
283
284
  // created, uid, name, count
  //
Kjartan's avatar
Kjartan committed
285
  $find = do_search(array("keys" => $keys, "type" => "node", "select" => "select s.lno as lno, n.title as title, n.created as created, u.uid as uid, u.name as name, s.count as count FROM search_index s, node n LEFT JOIN users u ON n.uid = u.uid WHERE s.lno = n.nid AND s.type = 'node' AND s.word like '%' AND n.status = 1"));
Dries's avatar
   
Dries committed
286

Dries's avatar
   
Dries committed
287
288
289
  return $find;
}

Dries's avatar
   
Dries committed
290
function node_conf_options() {
Dries's avatar
   
Dries committed
291
  $output .= form_select(t("Default number of nodes to display"), "default_nodes_main", variable_get("default_nodes_main", 10), array(1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 =>  5, 6 => 6, 7 => 7, 8 => 8, 9 => 9, 10 => 10, 15 => 15, 20 => 20, 25 => 25, 30 => 30), t("The default maximum number of nodes to display on the main page."));
Dries's avatar
   
Dries committed
292
293
294
  return $output;
}

Dries's avatar
CHANGES    
Dries committed
295
function node_conf_filters() {
Dries's avatar
   
Dries committed
296
  $output .= form_select(t("Enable HTML tags"), "filter_html", variable_get("filter_html", 0), array(t("Disabled"), t("Enabled")), t("Allow HTML and PHP tags in user-contributed content."));
297
  $output .= form_textfield(t("Allowed HTML tags"), "allowed_html", variable_get("allowed_html", "<a> <b> <dd> <dl> <dt> <i> <li> <ol> <u> <ul>"), 64, 255, t("If enabled, optionally specify tags which should not be stripped.  'STYLE' attributes, 'ON' attributes and unclosed tags are always stripped."));
Dries's avatar
   
Dries committed
298
  $output .= "<hr />";
Dries's avatar
   
Dries committed
299
  $output .= form_select(t("Enable link tags"), "filter_link", variable_get("filter_link", 0), array(t("Disabled"), t("Enabled")), t("Substitute special [[nodesubject|text]] tags. Your browser will display 'text', and when you click on it your browser will open the node with the subject 'nodesubject'. Please be aware that you'll need to copy the subject of the target node exactly in order to use this feature."));
Dries's avatar
   
Dries committed
300
  $output .= "<hr />";
Dries's avatar
CHANGES    
Dries committed
301
302
303
304
305
306
307
308
309
  return $output;
}

function node_filter_html($text) {
  $text = strip_tags($text, variable_get("allowed_html", ""));
  return $text;
}

function node_filter_link($text) {
310
  $pat = '\[{2}([^\|]+)(\|([^\|]+)?)?\]{2}';                   // [link|description]
311
  $dst = str_replace('%5C1', '\\1', format_tag('\\1', '\\3')); // [link|description]
312
  return ereg_replace($pat, $dst, $text);
Dries's avatar
   
Dries committed
313
314
}

Dries's avatar
   
Dries committed
315
function node_filter_line($text) {
Dries's avatar
   
Dries committed
316

Dries's avatar
   
Dries committed
317
  /*
Dries's avatar
   
Dries committed
318
319
320
321
322
323
324
  ** This "line break filter" will try to get the line breaks right
  ** regardless of the user's input.  Its goal aspires a consistent
  ** mark-up and use of line breaks and paragraphs.
  */

  /*
  ** If HTML mark-up is being used, strip regular line breaks:
Dries's avatar
   
Dries committed
325
326
327
  */

  if (strstr($text, "<br />") || strstr($text, "<p>")) {
Dries's avatar
   
Dries committed
328
    $text = ereg_replace("[\r\n]", "", $text);
Dries's avatar
   
Dries committed
329
330
331
332
333
334
  }

  /*
  ** Replace '<br>', '<br />', '<p>' and '<p />' by '\n':
  */

Kjartan's avatar
Kjartan committed
335
  $text = eregi_replace("<br />", "\n", $text);
Dries's avatar
   
Dries committed
336
337
  $text = eregi_replace("<br />", "\n", $text);
  $text = eregi_replace("<p>", "\n", $text);
Dries's avatar
   
Dries committed
338
  $text = eregi_replace("<p />", "\n", $text);
Dries's avatar
   
Dries committed
339
340

  /*
Dries's avatar
   
Dries committed
341
  ** Replace '\r\n' by '\n':
Dries's avatar
   
Dries committed
342
343
344
345
346
347
348
349
350
351
352
  */

  $text = ereg_replace("\r\n", "\n", $text);

  /*
  ** Replace some new line charachters:
  */

  while (strpos($text, "\n\n\n")) {
    $text = ereg_replace("\n\n\n", "\n\n", $text);
  }
Dries's avatar
   
Dries committed
353

Dries's avatar
   
Dries committed
354
355
356
357
358
359
360
  /*
  ** Replace some common "artifacts":
  */

  $list = "blockquote|li|ol|ul|table|th|td|tr|pre";
  $text = preg_replace(array("/\n\s*<([\/])($list)/", "/($list)>\s*\n/"), array("<$1$2", "$1>"), $text);

Dries's avatar
   
Dries committed
361
362
363
  return trim($text);
}

Dries's avatar
   
Dries committed
364
function node_comment_mode($nid) {
Dries's avatar
   
Dries committed
365
366
367
368
369
  static $comment_mode;
  if (!isset($comment_mode[$nid])) {
    $comment_mode[$nid] = db_result(db_query("SELECT comment FROM node WHERE nid = '%s'", $nid));
  }
  return $comment_mode[$nid];
Dries's avatar
   
Dries committed
370
371
}

Dries's avatar
CHANGES    
Dries committed
372
function node_filter($text) {
Dries's avatar
   
Dries committed
373
374
375
376
377
  $text = preg_replace("/\Wstyle\s*=[^>]+?>/i", ">", $text);
  $text = preg_replace("/\Won[a-z]+\s*=[^>]+?>/i", ">", $text);
  $text = preg_replace("/\Wsrc\s*=[\s'\"]*javascript[^>]+?>/i", ">", $text);
  $text = preg_replace("/\Whref\s*=[\s'\"]*javascript:[^>]+?>/i", ">", $text);

Dries's avatar
CHANGES    
Dries committed
378
379
  if (variable_get("filter_html", 0)) $text = node_filter_html($text);
  if (variable_get("filter_link", 0)) $text = node_filter_link($text);
Dries's avatar
   
Dries committed
380
  return node_filter_line($text);
Dries's avatar
CHANGES    
Dries committed
381
382
}

383
function node_link($type, $node = 0, $main = 0) {
Dries's avatar
   
Dries committed
384

Dries's avatar
   
Dries committed
385
  if ($type == "admin" && user_access("administer nodes")) {
Dries's avatar
   
Dries committed
386
    $links[] = la(t("content management"), array("mod" => "node"));
Dries's avatar
   
Dries committed
387
388
  }

Dries's avatar
   
Dries committed
389
  if ($type == "page" && user_access("post content")) {
Kjartan's avatar
Kjartan committed
390
    $links[] = lm(t("submit"), array("mod" => "node", "op" => "add"), "", array("title" => t("Submit or suggest new content.")));
Dries's avatar
   
Dries committed
391
392
  }

Dries's avatar
   
Dries committed
393
  if ($type == "node") {
Kjartan's avatar
Kjartan committed
394
395
396
    if ($node->links) {
      $links = $node->links;
    }
Dries's avatar
   
Dries committed
397

398
    if ($main == 1 && $node->teaser && $node->teaser != $node->body) {
Kjartan's avatar
Kjartan committed
399
      $links[] = l(t("read more"), array("id" => $node->nid), "node", "", array("title" => t("Read the rest of this posting.")));
Dries's avatar
   
Dries committed
400
    }
Dries's avatar
   
Dries committed
401
402

    if (user_access("administer nodes")) {
Kjartan's avatar
Kjartan committed
403
       $links[] = la(t("administer"), array("mod" => "node", "op" => "edit", "id" => $node->nid), "", array("title" => t("Administer this node.")));
Dries's avatar
   
Dries committed
404
    }
Dries's avatar
   
Dries committed
405
406
407
408
409
  }

  return $links ? $links : array();
}

Dries's avatar
   
Dries committed
410
function node_admin_settings($edit = array()) {
Dries's avatar
   
Dries committed
411
412
  global $op;

Dries's avatar
   
Dries committed
413
414
415
416
  if ($op == t("Save configuration")) {
    /*
    ** Save the configuration options:
    */
Dries's avatar
Dries committed
417

Dries's avatar
   
Dries committed
418
419
420
    foreach ($edit as $name => $value) {
      variable_set($name, $value);
    }
Dries's avatar
   
Dries committed
421
422
  }

Dries's avatar
   
Dries committed
423
424
425
426
  if ($op == t("Reset to defaults")) {
    /*
    ** Reset the configuration options to their default value:
    */
Dries's avatar
   
Dries committed
427

428
    foreach ($edit as $name => $value) {
Dries's avatar
   
Dries committed
429
430
      variable_del($name);
    }
Dries's avatar
   
Dries committed
431
  }
Dries's avatar
Dries committed
432

Dries's avatar
   
Dries committed
433
  $output .= "<h3>". t("Global node settings") ."</h3>";
Dries's avatar
   
Dries committed
434
  $output .= node_conf_options();
Dries's avatar
   
Dries committed
435
436
437

  foreach (module_list() as $name) {
    if (module_hook($name, "conf_options") && module_hook($name, "node")) {
Dries's avatar
   
Dries committed
438
      $output .= "<h3>". t("%module settings", array("%module" => ucfirst(module_invoke($name, "node", "name")))) ."</h3>";
Dries's avatar
   
Dries committed
439
440
441
442
      $output .= module_invoke($name, "conf_options");
    }
  }

Dries's avatar
   
Dries committed
443
444
  $output .= form_submit(t("Save configuration"));
  $output .= form_submit(t("Reset to defaults"));
Dries's avatar
Dries committed
445

Dries's avatar
   
Dries committed
446
  return form($output);
Dries's avatar
   
Dries committed
447
448
}

Dries's avatar
   
Dries committed
449
function node_admin_edit($node) {
Dries's avatar
   
Dries committed
450

Dries's avatar
   
Dries committed
451
  if (is_numeric($node)) {
Dries's avatar
   
Dries committed
452
    $node = node_load(array("nid" => $node));
Dries's avatar
   
Dries committed
453
  }
Dries's avatar
   
Dries committed
454

Dries's avatar
   
Dries committed
455
456
457
  /*
  ** Edit node:
  */
Dries's avatar
   
Dries committed
458

Dries's avatar
   
Dries committed
459
  $output .= "<h3>". t("Edit %module", array("%module" => module_invoke($node->type, "node", "name"))) ."</h3>";
Dries's avatar
   
Dries committed
460

Dries's avatar
   
Dries committed
461
  $output .= node_form($node);
Dries's avatar
   
Dries committed
462

Dries's avatar
   
Dries committed
463
464
465
466
467
468
469
  /*
  ** Edit revisions:
  */

  if ($node->revisions) {
    $output .= "<h3>". t("Edit revisions") ."</h3>";
    $output .= "<table border=\"1\" cellpadding=\"2\" cellspacing=\"2\">";
Dries's avatar
   
Dries committed
470
    $output .= " <tr><th>". t("older revisions") ."</th><th colspan=\"3\">". t("operations") ."</th></tr>";
Dries's avatar
   
Dries committed
471
    foreach ($node->revisions as $key => $revision) {
472
      $output .= " <tr><td>". t("revision #%r revised by %u on %d", array("%r" => $key, "%u" => format_name(user_load(array("uid" => $revision["uid"]))), "%d" => format_date($revision["timestamp"], "small"))) . ($revision["history"] ? "<br /><small>". $revision["history"] ."</small>" : "") ."</td><td>". l(t("view revision"), array("id" => $node->nid, "revision" => $key)) ."</td><td>". la(t("rollback revision"), array("mod" => "node", "op" => "rollback+revision", "id" => $node->nid, "revision" => $key)) ."</td><td>". la(t("delete revision"), array("mod" => "node", "op" => "delete+revision", "id" => $node->nid, "revision" => $key)) ."</td></tr>";
Dries's avatar
   
Dries committed
473
474
475
476
    }
    $output .= "</table>";
  }

Dries's avatar
   
Dries committed
477
  /*
Dries's avatar
   
Dries committed
478
  ** Display the node form extensions:
Dries's avatar
   
Dries committed
479
  */
Dries's avatar
   
Dries committed
480

Dries's avatar
   
Dries committed
481
482
  foreach (module_list() as $name) {
    $output .= module_invoke($name, "node_link", $node);
Dries's avatar
Dries committed
483
484
  }

Dries's avatar
   
Dries committed
485
  return $output;
Dries's avatar
   
Dries committed
486
487
488

}

Dries's avatar
   
Dries committed
489
490
function node_admin_nodes() {
  global $query;
Dries's avatar
   
Dries committed
491

Dries's avatar
   
Dries committed
492
  $queries = array(array("ORDER BY n.created DESC", "new nodes"), array("ORDER BY n.changed DESC", "updated nodes"), array("WHERE n.status = 1 AND n.moderate = 0 ORDER BY n.nid DESC", "published nodes"), array("WHERE n.status = 0 AND n.moderate = 0 ORDER BY n.nid DESC", "non-published nodes"), array("WHERE n.status = 1 AND n.moderate = 1 ORDER BY n.nid DESC", "pending nodes"), array("WHERE n.status = 1 AND n.promote = 1 ORDER BY n.nid DESC", "promoted nodes"));
Dries's avatar
   
Dries committed
493

Dries's avatar
   
Dries committed
494
  $result = db_query_pager("SELECT n.*, u.name, u.uid FROM node n LEFT JOIN users u ON n.uid = u.uid ". $queries[$query ? $query : 1][0], 50);
Dries's avatar
   
Dries committed
495

Dries's avatar
   
Dries committed
496
  foreach ($queries as $key => $value) {
Dries's avatar
   
Dries committed
497
    $links[] = la($value[1], array("mod" => "node", "op" => "nodes", "query" => $key));
Dries's avatar
Dries committed
498
499
  }

Dries's avatar
   
Dries committed
500
  $output .= "<small>". implode(" :: ", $links) ."</small><hr />";
Dries's avatar
   
Dries committed
501

Dries's avatar
   
Dries committed
502
  $output .= "<table border=\"1\" cellpadding=\"2\" cellspacing=\"2\">\n";
Dries's avatar
   
Dries committed
503
  $output .= " <tr><th>". t("title") ."</th><th>". t("type") ."</th><th>". t("author") ."</th><th>". t("status") ."</th><th colspan=\"2\">". t("operations") ."</th></tr>\n";
Dries's avatar
   
Dries committed
504
  while ($node = db_fetch_object($result)) {
Kjartan's avatar
Kjartan committed
505
    $output .= "<tr><td>". l(check_output($node->title), array("id" => $node->nid)) ."</td><td>". module_invoke($node->type, "node", "name") ."</td><td nowrap=\"nowrap\">". format_name($node) ."</td><td>". ($node->status ? t("published") : t("not published")) ."</td><td nowrap=\"nowrap\">". la(t("edit node"), array("mod" => "node", "op" => "edit", "id" => $node->nid)) ."</td><td nowrap=\"nowrap\">". la(t("delete node"), array("mod" => "node", "op" => "delete", "id" => $node->nid)) ."</td></tr>";
Dries's avatar
   
Dries committed
506
  }
Dries's avatar
   
Dries committed
507
508
  $output .= "<tr><td colspan=\"6\">". pager_display(NULL, 50, 0, "admin") ."</td></tr></table>";

Dries's avatar
   
Dries committed
509

Dries's avatar
   
Dries committed
510
  return $output;
Dries's avatar
Dries committed
511
512
}

Dries's avatar
   
Dries committed
513
514
515
516
517
518
519
520
521
522
523
524
/*
** Return the revision with the specified revision number.
*/

function node_revision_load($node, $revision) {
  return $node->revisions[$revision]["node"];
}

/*
** Create and return a new revision of the given node.
*/

Dries's avatar
   
Dries committed
525
526
527
function node_revision_create($node) {
  global $user;

Dries's avatar
   
Dries committed
528
529
530
531
532
  /*
  ** 'revision' is the name of the field used to indicicate that we
  ** have to create a new revision of a node.
  */

Dries's avatar
   
Dries committed
533
  if ($node->nid && $node->revision) {
Dries's avatar
   
Dries committed
534
535
536
537
    $prev = node_load(array("nid" => $node->nid));
    $node->revisions = $prev->revisions;
    unset($prev->revisions);
    $node->revisions[] = array("uid" => $user->uid, "timestamp" => time(), "node" => $prev, "history" => $node->history);
Dries's avatar
   
Dries committed
538
539
540
541
542
  }

  return $node;
}

Dries's avatar
   
Dries committed
543
544
545
/*
** Roll-back to the revision with the specified revision number.
*/
Dries's avatar
   
Dries committed
546

Dries's avatar
   
Dries committed
547
548
function node_revision_rollback($node, $revision) {
  global $user;
Dries's avatar
   
Dries committed
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583

  /*
  ** Extract the specified revision:
  */

  $rev = $node->revisions[$revision]["node"];

  /*
  ** Inherit all the past revisions:
  */

  $rev->revisions = $node->revisions;

  /*
  ** Save the original/current node:
  */

  $rev->revisions[] = array("uid" => $user->uid, "timestamp" => time(), "node" => $node);

  /*
  ** Remove the specified revision:
  */

  unset($rev->revisions[$revision]);

  /*
  ** Save the node:
  */

  foreach ($node as $key => $value) {
    $filter[] = $key;
  }

  node_save($rev, $filter);

Dries's avatar
   
Dries committed
584
  watchdog("special", "$node->type: rollbacked to revision #$revision of '$node->title'");
Dries's avatar
   
Dries committed
585
586
}

Dries's avatar
   
Dries committed
587
588
589
590
591
/*
** Delete the revision with specified revision number.
*/

function node_revision_delete($node, $revision) {
Dries's avatar
   
Dries committed
592
593

  unset($node->revisions[$revision]);
Dries's avatar
   
Dries committed
594

Dries's avatar
   
Dries committed
595
  node_save($node, array("nid", "revisions"));
Dries's avatar
   
Dries committed
596

Dries's avatar
   
Dries committed
597
  watchdog("special", "$node->type: removed revision #$revision of '$node->title'");
Dries's avatar
   
Dries committed
598
599
}

Dries's avatar
   
Dries committed
600
601
602
603
604
605
606
607
608
609
610
/*
** Return a list of all the existing revision numbers.
*/

function node_revision_list($node) {
  if (is_array($node->revisions)) {
    return array_keys($node->revisions);
  }
  else {
    return array();
  }
Dries's avatar
   
Dries committed
611
612
}

Dries's avatar
   
Dries committed
613
function node_admin() {
Dries's avatar
   
Dries committed
614
  global $op, $id, $revision, $edit;
Dries's avatar
   
Dries committed
615

Dries's avatar
   
Dries committed
616
  if (user_access("administer nodes")) {
Dries's avatar
   
Dries committed
617

Dries's avatar
   
Dries committed
618
619
620
    /*
    ** Compile a list of the administrative links:
    */
Dries's avatar
Dries committed
621

Dries's avatar
   
Dries committed
622
623
624
625
    $links[] = la(t("nodes"), array("mod" => "node", "op" => "nodes"));
    $links[] = la(t("search content"), array("mod" => "node", "op" => "search"));
    $links[] = la(t("settings"), array("mod" => "node", "op" => "settings"));
    $links[] = la(t("help"), array("mod" => "node", "op" => "help"));
Dries's avatar
   
Dries committed
626

Dries's avatar
   
Dries committed
627
    print "<small>". implode(" &middot; ", $links) ."</small><hr />";
Dries's avatar
   
Dries committed
628
629
630
631
632
633

    switch ($op) {
      case "help":
        print node_help();
        break;
      case "search":
Dries's avatar
   
Dries committed
634
        print search_type("node", drupal_url(array("mod" => "node", "op" => "search"), "admin"));
Dries's avatar
   
Dries committed
635
        break;
Dries's avatar
   
Dries committed
636
637
638
639
      case t("Save configuration"):
      case t("Reset to defaults"):
      case "settings":
        print node_admin_settings($edit);
Dries's avatar
   
Dries committed
640
641
        break;
      case "edit":
Dries's avatar
   
Dries committed
642
        print node_admin_edit($id);
Dries's avatar
   
Dries committed
643
        break;
Dries's avatar
   
Dries committed
644
645
646
      case "delete":
        print node_delete(array("nid" => $id));
        break;
Dries's avatar
   
Dries committed
647
      case "rollback revision":
Dries's avatar
   
Dries committed
648
649
        print node_revision_rollback(node_load(array("nid" => $id)), $revision);
        print node_admin_edit($id);
Dries's avatar
   
Dries committed
650
651
        break;
      case "delete revision":
Dries's avatar
   
Dries committed
652
653
        print node_revision_delete(node_load(array("nid" => $id)), $revision);
        print node_admin_edit($id);
Dries's avatar
   
Dries committed
654
        break;
Dries's avatar
   
Dries committed
655
      case t("Preview"):
656
        $edit = node_validate($edit, $error);
Dries's avatar
   
Dries committed
657
        print node_preview($edit);
Dries's avatar
   
Dries committed
658
        break;
Dries's avatar
   
Dries committed
659
      case t("Submit"):
Dries's avatar
   
Dries committed
660
661
662
        print node_submit($edit);
        break;
      case t("Delete"):
Dries's avatar
   
Dries committed
663
        print node_delete($edit);
Dries's avatar
   
Dries committed
664
        break;
Dries's avatar
   
Dries committed
665
      default:
Dries's avatar
   
Dries committed
666
        print node_admin_nodes();
Dries's avatar
   
Dries committed
667
668
669
670
    }
  }
  else {
    print message_access();
Dries's avatar
   
Dries committed
671
672
673
  }
}

Dries's avatar
   
Dries committed
674
function node_block($op = "list", $delta = 0) {
Dries's avatar
   
Dries committed
675
  global $theme;
Dries's avatar
   
Dries committed
676
677
678
679
680
681
682
  if ($op == "list") {
    $blocks[0]["info"] = t("Syndicate");
    return $blocks;
  }
  else {
    $block["subject"] = t("Syndicate");
    $block["content"] = "<div align=\"center\">". lm("<img src=\"". $theme->image("xml.gif") ."\" width=\"36\" height=\"14\" border=\"0\" alt=\"XML\" />", array("mod" => "node", "op" => "feed"), "", array("title" => t("Read the XML version of this page."))) ."</div>\n";
Dries's avatar
   
Dries committed
683

Dries's avatar
   
Dries committed
684
685
    return $block;
  }
Dries's avatar
   
Dries committed
686
687
}

Kjartan's avatar
Kjartan committed
688
689
690
691
692
693
function node_feed($nodes = 0, $channel = array()) {
  /*
    a generic function for generating rss feeds from a set of nodes.
    $nodes should be an object as returned by db_query() which contains the nid field
    $channel is an associative array containing title, link, and description keys
  */
Dries's avatar
   
Dries committed
694

Kjartan's avatar
Kjartan committed
695
696
697
  if (!$nodes) {
    $nodes = db_query("SELECT nid FROM node WHERE promote = '1' AND status = '1' ORDER BY created DESC LIMIT 15");
  }
Dries's avatar
   
Dries committed
698

Kjartan's avatar
Kjartan committed
699
700
701
  while ($node = db_fetch_object($nodes)) {
    $item = node_load(array("nid" => $node->nid));
    $link = path_uri(). drupal_url(array("id" => $item->nid), "node");
Dries's avatar
   
Dries committed
702
    $items .= format_rss_item($item->title, $link, $item->teaser);
Dries's avatar
   
Dries committed
703
704
  }

Kjartan's avatar
Kjartan committed
705
  $output .= "<?xml version=\"1.0\" ". t("encoding=\"ISO-8859-1\""). "?>\n";
Dries's avatar
   
Dries committed
706
  // $output .= "<!DOCTYPE rss [<!ENTITY % HTMLlat1 PUBLIC \"-//W3C//ENTITIES Latin 1 for XHTML//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml-lat1.ent\">\n";
Kjartan's avatar
Kjartan committed
707
708
709
710
711
712
713
  if (!$channel["version"]) $channel["version"] = "0.91";
  if (!$channel["title"]) $channel["title"] = variable_get("site_name", "drupal") ." - ". variable_get("site_slogan", "");
  if (!$channel["link"]) $channel["link"] = path_uri();
  if (!$channel["description"]) $channel["description"] = variable_get("site_mission", "");
  if (!$channel["language"]) $channel["language"] = "en";
  $output .= "<rss version=\"". $channel["version"] . "\">\n";
  $output .= format_rss_channel($channel["title"], $channel["link"], $channel["description"], $items, $channel["language"]);
Dries's avatar
   
Dries committed
714
715
  $output .= "</rss>\n";

Dries's avatar
   
Dries committed
716
  header("Content-Type: text/xml");
Dries's avatar
   
Dries committed
717
718
719
  print $output;
}

720
function node_validate($node, &$error) {
Dries's avatar
   
Dries committed
721
722
723
724
725
726
727

  global $user;

  /*
  ** Convert the node to an object if necessary:
  */

Dries's avatar
   
Dries committed
728
  $node = array2object($node);
Dries's avatar
   
Dries committed
729
730
731
732
733

  /*
  ** Validate the title field:
  */

Dries's avatar
   
Dries committed
734
  if (isset($node->title) && !$node->title) {
Dries's avatar
   
Dries committed
735
    $error["title"] = theme_invoke("theme_error", t("You have to specify a valid title."));
Dries's avatar
   
Dries committed
736
737
738
739
740
741
742
743
  }

  if (user_access("administer nodes")) {

    /*
    ** Setup default values if required:
    */

Dries's avatar
   
Dries committed
744
745
    if (!$node->created) {
      $node->created = time();
Dries's avatar
   
Dries committed
746
747
    }

Dries's avatar
   
Dries committed
748
749
    if (!$node->date) {
      $node->date = date("M j, Y g:i a", $node->created);
Dries's avatar
   
Dries committed
750
751
752
753
754
755
    }

    /*
    ** Validate the "authored by"-field:
    */

Dries's avatar
   
Dries committed
756
757
758
759
760
761
762
763
764
    if (empty($node->name)) {
      /*
      ** The use of empty() is mandatory in the context of usernames
      ** as the empty string denotes the anonymous user.  In case we
      ** are dealing with an anomymous user we set the user ID to 0.
      */
      $node->uid = 0;
    }
    else if ($account = user_load(array("name" => $node->name))) {
Dries's avatar
   
Dries committed
765
      $node->uid = $account->uid;
Dries's avatar
   
Dries committed
766
767
    }
    else {
Dries's avatar
   
Dries committed
768
      $error["name"] = theme_invoke("theme_error", t("The name '%u' does not exist.", array ("%u" => $node->name)));
Dries's avatar
   
Dries committed
769
770
771
772
773
774
    }

    /*
    ** Validate the "authored on"-field:
    */

Dries's avatar
   
Dries committed
775
776
    if (strtotime($node->date) > 1000) {
      $node->created = strtotime($node->date);
Dries's avatar
   
Dries committed
777
778
    }
    else {
Dries's avatar
   
Dries committed
779
      $error["date"] = theme_invoke("theme_error", t("You have to specifiy a valid date."));
Dries's avatar
   
Dries committed
780
    }
Dries's avatar
   
Dries committed
781

Dries's avatar
   
Dries committed
782
783
  }

Dries's avatar
   
Dries committed
784
785
786
787
788
789
790
791
792
  /*
  ** Do node type specific validation checks.
  */

  $function = $node->type ."_validate";
  if (function_exists($function)) {
    $node = $function($node, $error);
  }

Dries's avatar
   
Dries committed
793
  return $node;
Dries's avatar
   
Dries committed
794
795
}

Dries's avatar
   
Dries committed
796

Dries's avatar
   
Dries committed
797
function node_form($edit, $error = NULL) {
Dries's avatar
   
Dries committed
798

Dries's avatar
   
Dries committed
799
800
801
802
803
804
805
  /*
  ** Save the referer.  We record where the user came from such that we
  ** can redirect him after having completed the node forms.
  */

  referer_save();

Dries's avatar
   
Dries committed
806
807
808
809
  /*
  ** Validate the node:
  */

Dries's avatar
   
Dries committed
810
  if (!$error) {
811
812
    /* Only validate if we don't already know the errors. */
    $edit = node_validate($edit, $error);
Dries's avatar
   
Dries committed
813
  }
Dries's avatar
   
Dries committed
814

Dries's avatar
   
Dries committed
815
816
817
818
819
820
821
822
  /*
  ** Generate a teaser when necessary:
  */

  if ($edit->body && !$edit->teaser) {
    $edit->teaser = node_teaser($edit->body);
  }

Dries's avatar
   
Dries committed
823
824
825
826
827
828
  /*
  ** Get the node specific bits:
  */

  $function = $edit->type ."_form";
  if (function_exists($function)) {
Kjartan's avatar
Kjartan committed
829
    $form .= $function($edit, $help, $error, $param);
Dries's avatar
   
Dries committed
830
831
832
833
834
835
836
837
838
839
  }

  /*
  ** Add the help text:
  */

  if ($help) {
    $output .= "<p>$help</p>";
  }

Dries's avatar
   
Dries committed
840
841
842
843
  $output .= "<table border=\"0\" cellpadding=\"2\" cellspacing=\"2\">";
  $output .= " <tr>";
  $output .= "  <td valign=\"top\">";

Dries's avatar
   
Dries committed
844
845
846
847
848
849
850
  /*
  ** Add the default fields:
  */

  $output .= form_textfield(t("Title"), "title", $edit->title, 60, 64, $error["title"]);

  /*
Dries's avatar
   
Dries committed
851
  ** Add the node specific fields:
Dries's avatar
   
Dries committed
852
853
  */

Dries's avatar
   
Dries committed
854
  $output .= $form;
Dries's avatar
   
Dries committed
855
856
857
858
859
860
861
862
863

  /*
  ** Add the hidden fields:
  */

  if ($edit->nid) {
    $output .= form_hidden("nid", $edit->nid);
  }

Dries's avatar
   
Dries committed
864
865
866
867
868
  if (isset($edit->uid)) {
      /*
      ** The use of isset() is mandatory in the context of user IDs as uid
      ** 0 denotes the anonymous user.
      */
Dries's avatar
   
Dries committed
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
    $output .= form_hidden("uid", $edit->uid);
  }

  if ($edit->created) {
    $output .= form_hidden("created", $edit->created);
  }

  $output .= form_hidden("type", $edit->type);

  /*
  ** Add the buttons:
  */

  $output .= form_submit(t("Preview"));

  if ($edit->title && $edit->type && !$error) {
    $output .= form_submit(t("Submit"));
  }

Dries's avatar
   
Dries committed
888
  if ($edit->nid && node_access("delete", $edit)) {
Dries's avatar
   
Dries committed
889
890
891
892
893
894
895
896
    $output .= form_submit(t("Delete"));
  }

  /*
  ** Add the admin specific parts:
  */

  if (user_access("administer nodes")) {
Dries's avatar
   
Dries committed
897
    $output .= "</td><td align=\"left\" valign=\"top\">";
898
    $output .= form_textfield(t("Authored by"), "name", $edit->name, 20, 60, $error["name"]);
Dries's avatar
   
Dries committed
899
900
    $output .= form_textfield(t("Authored on"), "date", $edit->date, 20, 25, $error["date"]);
    $output .= "<br />";
Dries's avatar
   
Dries committed
901
    $output .= form_select(t("Set public/published"), "status", $edit->status, array(t("Disabled"), t("Enabled")));
Kjartan's avatar
Kjartan committed
902
903
    // TODO: move this to the queue.module
    if (module_exist("queue")) {
Dries's avatar
   
Dries committed
904
      $output .= form_select(t("Queue for moderation"), "moderate", $edit->moderate, array(t("Disabled"), t("Enabled")));
Kjartan's avatar
Kjartan committed
905
    }
Dries's avatar
   
Dries committed
906
907
    $output .= form_select(t("Promote to front page"), "promote", $edit->promote, array(t("Disabled"), t("Enabled")));
    $output .= form_select(t("Static on front page"), "static", $edit->static, array(t("Disabled"), t("Enabled")));
Kjartan's avatar
Kjartan committed
908
909
    // TODO: move this to the comment.module
    if (module_exist("comment")) {
Dries's avatar
   
Dries committed
910
      $output .= form_select(t("Allow users comments"), "comment", $edit->comment, array(t("Disabled"), t("Read only"), t("Read-write")));
Kjartan's avatar
Kjartan committed
911
    }
Dries's avatar
   
Dries committed
912
    $output .= form_select(t("Create new revision"), "revision", $edit->revision, array(t("Disabled"), t("Enabled")));
Dries's avatar
   
Dries committed
913
914
  }

Dries's avatar
   
Dries committed
915
916
917
918
  $output .= "  </td>";
  $output .= " </tr>";
  $output .= "</table>";

Kjartan's avatar
Kjartan committed
919
  return form($output, ($param["method"] ? $param["method"] : "post"), $param["action"], $param["options"]);
Dries's avatar
   
Dries committed
920
921
922
}

function node_add($type) {
923
  global $user, $edit;
Dries's avatar
   
Dries committed
924

Kjartan's avatar
Kjartan committed
925
926
927
928
  if (!user_access("post content")) {
    return message_access();
  }

Dries's avatar
   
Dries committed
929
  /*
Dries's avatar
   
Dries committed
930
  ** If a node type has been specified, validate it existence.  If no
Dries's avatar
   
Dries committed
931
932
933
  ** (valid) node type has been provied, display a node type overview.
  */

Dries's avatar
   
Dries committed
934
  if ($type && node_access("create", $type)) {
935
    // Initialize settings
936
937
938
939
940
    $node = array("uid" => $user->uid, "name" => $user->name, "type" => $type, "status" => 1, "promote" => !module_exist("queue"), "moderate" => module_exist("queue"), "comment" => module_exist("queue") ? 2 : 0);
    foreach (array("title", "teaser", "body") as $field) {
      if ($edit[$field]) {
        $node[$field] = check_input($edit[$field]);
      }
Dries's avatar
   
Dries committed
941
    }
942
    $output = node_form($node);
Dries's avatar
   
Dries committed
943
944
  }
  else {
Dries's avatar
   
Dries committed
945

Dries's avatar
   
Dries committed
946
947
948
    /*
    ** Compile a list with the different node types and their explanation:
    */
Dries's avatar
   
Dries committed
949

Dries's avatar
   
Dries committed
950
    foreach (module_list() as $name) {
Dries's avatar
   
Dries committed
951
952
      if (module_hook($name, "node") && node_access("create", array("type" => $name))) {
        $output .= "<li>";
Kjartan's avatar
Kjartan committed
953
        $output .= " ". lm(module_invoke($name, "node", "name"), array("mod" => "node", "op" => "add", "type" => $name), "", array("title" => t("Add a new %s.", array("%s" => module_invoke($name, "node", "name")))));
Dries's avatar
   
Dries committed
954
955
        $output .= " <div style=\"margin-left: 20px;\">". module_invoke($name, "node", "description") ."</div>";
        $output .= "</li>";
Dries's avatar
   
Dries committed
956
      }
Dries's avatar
   
Dries committed
957
958
    }

Dries's avatar
   
Dries committed
959
960
    $output = t("Choose the appropriate item from the list:") ."<ul>$output</ul>";

Dries's avatar
   
Dries committed
961
962
963
964
965
966
967
968
  }

  return $output;
}

function node_edit($id) {
  global $user;

Kjartan's avatar
Kjartan committed
969
970
971
972
  if (!user_access("post content")) {
    return message_access();
  }

Dries's avatar
   
Dries committed
973
974
  $node = node_load(array("nid" => $id));

Dries's avatar
   
Dries committed
975
976
977
978
979
980
981
982
  if (node_access("update", $node)) {
    $output = node_form($node);
  }
  else {
    $output = message_access();
  }

  return $output;
Dries's avatar
   
Dries committed
983
984
}

Dries's avatar
   
Dries committed
985
function node_preview($node, $error = NULL) {
Dries's avatar
   
Dries committed
986

Kjartan's avatar
Kjartan committed
987
988
989
990
  if (!user_access("post content")) {
    return message_access();
  }

Dries's avatar
   
Dries committed
991
992
993
994
  /*
  ** Convert the array to an object:
  */

Dries's avatar
   
Dries committed
995
  $node = array2object($node);
Dries's avatar
   
Dries committed
996
997
998
999
1000

  /*
  ** Load the user's name when needed:
  */

Dries's avatar
   
Dries committed
1001
1002
1003
1004
1005
1006
1007
1008
  if (isset($node->name)) {
    /*
    ** The use of isset() is mandatory in the context of user IDs as uid
    ** 0 denotes the anonymous user.
    */

    if ($user = user_load(array("name" => $node->name))) {
      $node->uid = $user->uid;
Dries's avatar
   
Dries committed
1009
1010
    }
    else {
Dries's avatar
   
Dries committed
1011
      $node->uid = 0; // anonymous user
Dries's avatar
   
Dries committed
1012
    }
Dries's avatar
   
Dries committed
1013
  }
Dries's avatar
   
Dries committed
1014
  else if ($node->uid) {
Dries's avatar
   
Dries committed
1015
1016
    $user = user_load(array("uid" => $node->uid));
    $node->name = $user->name;
Dries's avatar
   
Dries committed
1017
1018
1019
1020
1021
1022
  }

  /*
  ** Set the created time when needed:
  */

1023
  if (empty($node->created)) {
Dries's avatar
   
Dries committed
1024
    $node->created = time();
Dries's avatar
   
Dries committed
1025
1026
  }

Dries's avatar
   
Dries committed
1027
1028
1029
1030
  /*
  ** Apply the required filters:
  */

Dries's avatar
   
Dries committed
1031
  if ($node->nid) {
Dries's avatar
   
Dries committed
1032
    $view = array_merge($node, module_invoke($node->type, "save", "update", $node));
Dries's avatar
   
Dries committed
1033
1034
  }
  else {
Dries's avatar
   
Dries committed
1035
    $view = array_merge($node, module_invoke($node->type, "save", "create", $node));
Dries's avatar
   
Dries committed
1036
1037
  }

Dries's avatar
   
Dries committed
1038
1039
1040
1041
  /*
  ** Display a preview of the node:
  */

Dries's avatar
   
Dries committed
1042
  node_view($view);
Dries's avatar
   
Dries committed
1043

Dries's avatar
   
Dries committed
1044
  return node_form($node, $error);
Dries's avatar
   
Dries committed
1045
1046
}

Dries's avatar
   
Dries committed
1047
function node_submit($node) {
1048
  global $user, $theme;
Dries's avatar
   
Dries committed
1049

1050
  if (user_access("post content")) {
Dries's avatar
   
Dries committed
1051

Dries's avatar
   
Dries committed
1052
1053
1054
    /*
    ** Fixup the node when required:
    */
Dries's avatar
   
Dries committed
1055

1056
    $node = node_validate($node, $error);
Dries's avatar
   
Dries committed
1057

Dries's avatar
   
Dries committed
1058
1059
1060
1061
1062
1063
1064
1065
    /*
    ** If something went wrong, go back to the preview form:
    */

    if ($error) {
      return node_preview($node, $error);
    }

Dries's avatar
   
Dries committed
1066
    /*
Dries's avatar
   
Dries committed
1067
    ** Create a new revision when required:
Dries's avatar
   
Dries committed
1068
1069
    */

Dries's avatar
   
Dries committed
1070
1071
1072
    $node = node_revision_create($node);

    if ($node->nid) {
Dries's avatar
   
Dries committed
1073
1074

      /*
Dries's avatar
   
Dries committed
1075
1076
      ** Check whether the current user has the proper access rights to
      ** perform this operation:
Dries's avatar
   
Dries committed
1077
1078
      */

Dries's avatar
   
Dries committed
1079
1080
1081
1082
1083
1084
1085
1086
      if (node_access("update", $node)) {

        /*
        ** Compile a list of the node fields and their default values that users
        ** and administrators are allowed to save when updating a node.
        */

        if (user_access("administer nodes")) {
1087
          $fields = array("nid", "uid", "body", "comment", "created", "promote", "static", "moderate", "revisions", "status", "teaser", "title", "type" => $node->type);
Dries's avatar
   
Dries committed
1088
1089
        }
        else {
Dries's avatar
   
Dries committed
1090
          $fields = array("nid", "uid" => ($user->uid ? $user->uid : 0), "body", "teaser", "title", "type" => $node->type);
Dries's avatar
   
Dries committed
1091
        }
Dries's avatar
   
Dries committed
1092

Dries's avatar
   
Dries committed
1093
        $nid = node_save($node, array_merge($fields, module_invoke($node->type, "save", "update", $node)));
Dries's avatar
   
Dries committed
1094

Dries's avatar
   
Dries committed
1095
1096
1097
1098
        /*
        ** Update terms of the node
        */

1099
1100
1101
        if (function_exists("taxonomy_node_save")) {
          taxonomy_node_save($nid, $node->taxonomy);
        }
Dries's avatar
   
Dries committed
1102

Dries's avatar
   
Dries committed
1103
1104
        watchdog("special", "$node->type: updated '$node->title'");
        $output = t("The node has been updated.");
Dries's avatar
   
Dries committed
1105
1106
      }
      else {
Dries's avatar
   
Dries committed
1107
1108
        watchdog("warning", "$node->type: not authorized to update node");
        $output = t("You are not authorized to update this node.");
Dries's avatar
   
Dries committed
1109
1110
      }

Dries's avatar
   
Dries committed
1111
1112
1113
    }
    else {

Dries's avatar
   
Dries committed
1114
1115
1116
1117
      /*
      ** Check whether the current user has the proper access rights to
      ** perform this operation:
      */
Dries's avatar
   
Dries committed
1118

Dries's avatar
   
Dries committed
1119
      if (node_access("create", $node)) {
Dries's avatar
   
Dries committed
1120

Dries's avatar
   
Dries committed
1121
1122
1123
1124
1125
1126
1127
        /*
        ** Verify a user's submission rate and avoid duplicate nodes being
        ** inserted:
        */

        throttle("node", variable_get("max_node_rate", 900));

Dries's avatar
   
Dries committed
1128
1129
1130
1131
        /*
        ** Compile a list of the node fields and their default values that users
        ** and administrators are allowed to save when inserting a new node.
        */
Dries's avatar
   
Dries committed
1132

Dries's avatar
   
Dries committed
1133
        if (user_access("administer nodes")) {
1134
          $fields = array("uid", "body", "comment" => 2, "created", "promote", "moderate", "status" => 1, "teaser", "title", "type" => $node->type);
Dries's avatar
   
Dries committed
1135
1136
        }
        else {
Dries's avatar
   
Dries committed
1137
          $fields = array("uid" => ($user->uid ? $user->uid : 0), "body", "comment" => 2, "teaser", "title", "type" => $node->type);
Dries's avatar
   
Dries committed
1138
        }
Dries's avatar
   
Dries committed
1139

Dries's avatar
   
Dries committed
1140
        $nid = node_save($node, array_merge($fields, module_invoke($node->type, "save", "create", $node)));
Dries's avatar
   
Dries committed
1141

Dries's avatar
   
Dries committed
1142
1143
1144
1145
        /*
        ** Insert terms of the node
        */

1146
1147
1148
        if (function_exists("taxonomy_node_save")) {
          taxonomy_node_save($nid, $node->taxonomy);
        }
Dries's avatar
   
Dries committed
1149

Dries's avatar
   
Dries committed
1150
1151
        watchdog("special", "$node->type: added '$node->title'");
        $output = t("Thanks for your submission.");
Dries's avatar
   
Dries committed
1152
1153
      }
      else {
Dries's avatar
   
Dries committed
1154
1155
        watchdog("warning", "$node->type: not authorized to create node");
        $output = t("You are not authorized to create this node.");
Dries's avatar
   
Dries committed
1156
1157
      }
    }
Dries's avatar
   
Dries committed
1158

Dries's avatar
   
Dries committed
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
    /*
    ** Reload the node from the database:
    */

    $node = node_load(array("nid" => $nid));

    /*
    ** For usability's sake, make sure to present the user with some
    ** useful links as where to go next.
    */

Dries's avatar
   
Dries committed
1170
    if ($referer = referer_load()) {
Dries's avatar
   
Dries committed
1171
1172
1173
1174
      $links[] = "<a href=\"$referer\">". t("return") ."</a>";
    }

    if ($nid && node_access("view", $node)) {
Dries's avatar
   
Dries committed
1175
      $links[] = l(t("view"), array("id" => $nid));
Dries's avatar
   
Dries committed
1176
1177
1178
    }

    if ($nid && node_access("update", $node)) {
Dries's avatar
   
Dries committed
1179
      $links[] = lm(t("edit"), array("mod" => "node", "op" => "edit", "id" => $nid));
Dries's avatar
   
Dries committed
1180
    }
Dries's avatar
   
Dries committed
1181
1182

    $output .= "<p>". $theme->links($links) ."</p>";
Dries's avatar
   
Dries committed