node.module 26.1 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
9
function node_help() {
  global $mod;

  if ($mod == "node") {
    foreach (module_list() as $name) {
      if (module_hook($name, "status") && $name != "node") {
Dries's avatar
   
Dries committed
10
        print "<h3>". ucfirst($name) ." type</h3>";
Dries's avatar
   
Dries committed
11
12
13
14
15
16
        print module_invoke($name, "help");
      }
    }
  }
}

Dries's avatar
   
Dries committed
17
18
function node_access($op, $node = 0) {

Dries's avatar
   
Dries committed
19
20
  if (user_access("administer nodes")) {
    return 1;
Dries's avatar
   
Dries committed
21
  }
Dries's avatar
   
Dries committed
22
  else {
Dries's avatar
   
Dries committed
23

Dries's avatar
   
Dries committed
24
25
26
    /*
    ** Convert the node to an object if necessary:
    */
Dries's avatar
   
Dries committed
27

Dries's avatar
   
Dries committed
28
29
30
    if (is_array($node)) {
      $node = node_object($node);
    }
Dries's avatar
   
Dries committed
31

Dries's avatar
   
Dries committed
32
33
34
35
36
37
38
39
40
41
42
43
    /*
    ** Construct a function:
    */

    $function = $node->type ."_access";

    if (function_exists($function)) {
      return $function($op, $node);
    }
    else {
      return 0;
    }
Dries's avatar
   
Dries committed
44
45
46
  }
}

Dries's avatar
   
Dries committed
47
function node_perm() {
Dries's avatar
   
Dries committed
48
  return array("administer nodes", "access content", "post content");
Dries's avatar
   
Dries committed
49
50
}

Dries's avatar
   
Dries committed
51
function node_search($keys) {
Dries's avatar
   
Dries committed
52
  global $PHP_SELF;
Dries's avatar
   
Dries committed
53
54
55

  $result = db_query("SELECT n.nid, n.title, n.created, u.uid, u.name FROM node n LEFT JOIN users u ON n.uid = u.uid WHERE n.status = 1 AND (n.title LIKE '%$keys%' OR n.teaser LIKE '%$keys%' OR n.body LIKE '%$keys%') ORDER BY n.created DESC LIMIT 20");
  while ($node = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
56
    $find[$i++] = array("title" => check_output($node->title), "link" => (strstr($PHP_SELF, "admin.php") ? "admin.php?mod=node&type=node&op=edit&id=$node->nid" : "node.php?id=$node->nid"), "user" => $node->name, "date" => $node->created);
Dries's avatar
   
Dries committed
57
58
59
60
61
  }

  return $find;
}

Dries's avatar
   
Dries committed
62
function node_conf_options() {
Dries's avatar
   
Dries committed
63
  $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
64
  $output .= form_select(t("Minimum number of words in teaser"), "minimum_teaser_size", variable_get("minimum_teaser_size", 0), array(0 => "0 words", 10 => "10 words", 25 => "25 words",  50 => "50 words", 75 => "75 words", 100 => "100 words", 125 => "125 words",  150 => "150 words", 175 => "175 words", 200 => "200 words"), t("The minimum number of words a teaser should consist of.  This can be useful to rule out submissions that do not meet the site's standards, such as short test post."));
Dries's avatar
   
Dries committed
65
66
67
  return $output;
}

Dries's avatar
CHANGES    
Dries committed
68
function node_conf_filters() {
Dries's avatar
   
Dries committed
69
  $output .= form_select(t("Enable HTML tags"), "filter_html", variable_get("filter_html", 0), array("Disabled", "Enabled"), t("Allow HTML and PHP tags in user-contributed content."));
Dries's avatar
   
Dries committed
70
  $output .= form_textfield(t("Allowed HTML tags"), "allowed_html", variable_get("allowed_html", "<a> <b> <dd> <dl> <dt> <i> <li> <ol> <u> <ul>"), 64, 128, 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
71
  $output .= "<hr />";
Dries's avatar
   
Dries committed
72
  $output .= form_select(t("Enable link tags"), "filter_link", variable_get("filter_link", 0), array("Disabled", "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
73
  $output .= "<hr />";
Dries's avatar
CHANGES    
Dries committed
74
75
76
77
78
79
80
81
82
83
84
  return $output;
}

function node_filter_html($text) {
  $text = eregi_replace("([ \f\r\t\n\'\"])style=[^>]+", "\\1", $text);
  $text = eregi_replace("([ \f\r\t\n\'\"])on[a-z]+=[^>]+", "\\1", $text);
  $text = strip_tags($text, variable_get("allowed_html", ""));
  return $text;
}

function node_filter_link($text) {
Dries's avatar
   
Dries committed
85
86
87
88
89
  $src = array("/\[\[(([^\|]*?)(\|([^\|]*?))?)\]\]/e");  // [link|description]
  $dst = array(format_tag('\\2', '\\4'));                // [link|description]
  return preg_replace($src, $dst, $text);
}

Dries's avatar
   
Dries committed
90
91
92
93
94
95
function node_filter_line($text) {
  /*
  ** If HTML mark-up is being used, strip regular mark-up:
  */

  if (strstr($text, "<br />") || strstr($text, "<p>")) {
Dries's avatar
   
Dries committed
96
    $text = ereg_replace("[\r\n]", "", $text);
Dries's avatar
   
Dries committed
97
98
99
100
101
102
103
104
105
106
107
108
  }

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

  $text = eregi_replace("<br>", "\n", $text);
  $text = eregi_replace("<br />", "\n", $text);
  $text = eregi_replace("<p>", "\n", $text);
  $text = eregi_replace("<br />", "\n", $text);

  /*
Dries's avatar
   
Dries committed
109
  ** Replace "\r\n" by "\n":
Dries's avatar
   
Dries committed
110
111
112
113
114
115
116
117
118
119
120
  */

  $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
121

Dries's avatar
   
Dries committed
122
123
124
  return trim($text);
}

Dries's avatar
CHANGES    
Dries committed
125
126
127
function node_filter($text) {
  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
128
  return node_filter_line($text);
Dries's avatar
CHANGES    
Dries committed
129
130
}

131
function node_link($type, $node = 0, $main = 0) {
Dries's avatar
   
Dries committed
132

Dries's avatar
   
Dries committed
133
  if ($type == "admin" && user_access("administer nodes")) {
Dries's avatar
   
Dries committed
134
135
136
    $links[] = "<a href=\"admin.php?mod=node\">content management</a>";
  }

Dries's avatar
   
Dries committed
137
  if ($type == "page" && user_access("post content")) {
Dries's avatar
   
Dries committed
138
    $links[] = "<a href=\"module.php?mod=node&op=add\">submit</a>";
Dries's avatar
   
Dries committed
139
140
  }

Dries's avatar
   
Dries committed
141
  if ($type == "node") {
Kjartan's avatar
Kjartan committed
142
143
144
    if ($node->links) {
      $links = $node->links;
    }
Dries's avatar
   
Dries committed
145

Dries's avatar
   
Dries committed
146
147
    if ($main && $node->teaser != $node->body) {
      $links[] = "<a href=\"node.php?id=$node->nid\">". t("read more") ."</a>";
Dries's avatar
   
Dries committed
148
    }
Dries's avatar
   
Dries committed
149

Dries's avatar
   
Dries committed
150
151
    if (module_invoke($node->type, "access", "update", $node)) {
      $links[] = "<a href=\"module.php?mod=node&op=edit&id=$node->nid\">". t("edit") ."</a>";
Dries's avatar
   
Dries committed
152
    }
Dries's avatar
   
Dries committed
153

Dries's avatar
   
Dries committed
154
    if (user_access("administer nodes")) {
Dries's avatar
   
Dries committed
155
       $links[] = "<a href=\"admin.php?mod=node&op=edit&id=$node->nid\">". t("administer") ."</a>";
Dries's avatar
   
Dries committed
156
    }
Dries's avatar
   
Dries committed
157
158
159
160
161
  }

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

Dries's avatar
   
Dries committed
162
function node_admin_settings($edit = array()) {
Dries's avatar
   
Dries committed
163
164
  global $op;

Dries's avatar
   
Dries committed
165
166
167
168
  if ($op == t("Save configuration")) {
    /*
    ** Save the configuration options:
    */
Dries's avatar
Dries committed
169

Dries's avatar
   
Dries committed
170
171
172
    foreach ($edit as $name => $value) {
      variable_set($name, $value);
    }
Dries's avatar
 
Dries committed
173
174
  }

Dries's avatar
   
Dries committed
175
176
177
178
  if ($op == t("Reset to defaults")) {
    /*
    ** Reset the configuration options to their default value:
    */
Dries's avatar
 
Dries committed
179

Dries's avatar
   
Dries committed
180
181
182
    foreach ($edit as $name=>$value) {
      variable_del($name);
    }
Dries's avatar
   
Dries committed
183
  }
Dries's avatar
Dries committed
184

Dries's avatar
   
Dries committed
185
  $output .= "<h3>". t("Global node settings") ."</h3>";
Dries's avatar
   
Dries committed
186
  $output .= node_conf_options();
Dries's avatar
   
Dries committed
187
188
189

  foreach (module_list() as $name) {
    if (module_hook($name, "conf_options") && module_hook($name, "node")) {
Dries's avatar
   
Dries committed
190
      $output .= "<h3>". ucfirst(module_invoke($name, "node", "name") ." settings") ."</h3>";
Dries's avatar
   
Dries committed
191
192
193
194
      $output .= module_invoke($name, "conf_options");
    }
  }

Dries's avatar
   
Dries committed
195
196
  $output .= form_submit(t("Save configuration"));
  $output .= form_submit(t("Reset to defaults"));
Dries's avatar
Dries committed
197

Dries's avatar
   
Dries committed
198
  return form($output);
Dries's avatar
   
Dries committed
199
200
}

Dries's avatar
   
Dries committed
201
function node_admin_edit($node) {
Dries's avatar
   
Dries committed
202

Dries's avatar
   
Dries committed
203
  if (is_numeric($node)) {
Dries's avatar
   
Dries committed
204
    $node = node_load(array("nid" => $node));
Dries's avatar
   
Dries committed
205
  }
Dries's avatar
   
Dries committed
206

Dries's avatar
   
Dries committed
207
208
209
  /*
  ** Edit node:
  */
Dries's avatar
   
Dries committed
210

Dries's avatar
   
Dries committed
211
  $output .= "<h3>". t("Edit") ." ". module_invoke($node->type, "node", "name") ."</h3>";
Dries's avatar
   
Dries committed
212

Dries's avatar
   
Dries committed
213
  $output .= node_form($node);
Dries's avatar
   
Dries committed
214

Dries's avatar
   
Dries committed
215
216
217
218
219
220
221
222
223
  /*
  ** Edit revisions:
  */

  if ($node->revisions) {
    $output .= "<h3>". t("Edit revisions") ."</h3>";
    $output .= "<table border=\"1\" cellpadding=\"2\" cellspacing=\"2\">";
    $output .= " <tr><th>older revisions</th><th colspan=\"3\">operations</th></tr>";
    foreach ($node->revisions as $key => $revision) {
Dries's avatar
   
Dries committed
224
      $output .= " <tr><td>". sprintf(t("revision #%d revised by %s on %s"), $key, format_name(user_load(array("uid" => $revision["uid"]))), format_date($revision["timestamp"], "small")) . ($revision["history"] ? "<br /><small>". $revision["history"] ."</small>" : "") ."</td><td><a href=\"node.php?id=$node->nid&revision=$key\">". t("view revision") ."</a></td><td><a href=\"admin.php?mod=node&op=rollback+revision&id=$node->nid&revision=$key\">". t("rollback revision") ."</a></td><td><a href=\"admin.php?mod=node&op=delete+revision&id=$node->nid&revision=$key\">". t("delete revision") ."</a></td></tr>";
Dries's avatar
   
Dries committed
225
226
227
228
    }
    $output .= "</table>";
  }

Dries's avatar
   
Dries committed
229
230
231
  /*
  ** Edit comments:
  */
Dries's avatar
   
Dries committed
232

Dries's avatar
   
Dries committed
233
  $output .= "<h3>". t("Edit comments") ."</h3>";
Dries's avatar
   
Dries committed
234

Dries's avatar
   
Dries committed
235
  $result = db_query("SELECT c.cid, c.subject, u.uid, u.name FROM comments c LEFT JOIN users u ON u.uid = c.uid WHERE lid = '$node->nid' ORDER BY c.timestamp");
Dries's avatar
 
Dries committed
236

Dries's avatar
   
Dries committed
237
238
  $output .= "<table border=\"1\" cellpadding=\"2\" cellspacing=\"2\">";
  $output .= " <tr><th>title</th><th>author</th><th colspan=\"3\">operations</th></tr>";
Dries's avatar
   
Dries committed
239
  while ($comment = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
240
    $output .= "<tr><td><a href=\"node.php?id=$node->nid&cid=$comment->cid#$comment->cid\">$comment->subject</a></td><td>". format_name($comment) ."</td><td><a href=\"node.php?id=$node->nid&cid=$comment->cid#$comment->cid\">". t("view comment") ."</a></td><td><a href=\"admin.php?mod=comment&op=edit&id=$comment->cid\">". t("edit comment") ."</a></td><td><a href=\"admin.php?mod=comment&op=delete&id=$comment->cid\">". t("delete comment") ."</a></td></tr>";
Dries's avatar
Dries committed
241
  }
Dries's avatar
   
Dries committed
242
  $output .= "</table>";
Dries's avatar
Dries committed
243

Dries's avatar
   
Dries committed
244
  return $output;
Dries's avatar
   
Dries committed
245
246
247

}

Dries's avatar
   
Dries committed
248
249
function node_admin_nodes() {
  global $query;
Dries's avatar
   
Dries committed
250

Dries's avatar
   
Dries committed
251
  $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
252

Dries's avatar
   
Dries committed
253
  $result = db_query("SELECT n.*, u.name, u.uid FROM node n LEFT JOIN users u ON n.uid = u.uid ". $queries[$query ? $query : 0][0] ." LIMIT 50");
Dries's avatar
   
Dries committed
254

Dries's avatar
   
Dries committed
255
256
  foreach ($queries as $key => $value) {
    $links[] = "<a href=\"admin.php?mod=node&op=nodes&query=$key\">$value[1]</a>";
Dries's avatar
Dries committed
257
258
  }

Dries's avatar
   
Dries committed
259
  $output .= "<small>". implode(" :: ", $links) ."</small><hr />";
Dries's avatar
   
Dries committed
260

Dries's avatar
   
Dries committed
261
262
263
  $output .= "<table border=\"1\" cellpadding=\"2\" cellspacing=\"2\">\n";
  $output .= " <tr><th>title</th><th>type</th><th>author</th><th>status</th><th colspan=\"2\">operations</th></tr>\n";
  while ($node = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
264
    $output .= "<tr><td><a href=\"node.php?id=$node->nid\">". check_output($node->title) ."</a></td><td>$node->type</td><td nowrap=\"nowrap\">". format_name($node) ."</td><td>". ($node->status ? t("published") : t("not published")) ."</td><td nowrap=\"nowrap\"><a href=\"admin.php?mod=node&op=edit&id=$node->nid\">". t("edit node") ."</a></td><td nowrap=\"nowrap\"><a href=\"admin.php?mod=node&op=delete&id=$node->nid\">". t("delete node") ."</a></td></tr>";
Dries's avatar
   
Dries committed
265
  }
Dries's avatar
   
Dries committed
266
  $output .= "</table>";
Dries's avatar
   
Dries committed
267

Dries's avatar
   
Dries committed
268
  return $output;
Dries's avatar
Dries committed
269
270
}

Dries's avatar
   
Dries committed
271
272
273
274
275
276
277
278
279
280
281
282
/*
** 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
283
284
285
function node_revision_create($node) {
  global $user;

Dries's avatar
   
Dries committed
286
287
288
289
290
  /*
  ** '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
291
  if ($node->nid && $node->revision) {
Dries's avatar
   
Dries committed
292
293
294
295
    $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
296
297
298
299
300
  }

  return $node;
}

Dries's avatar
   
Dries committed
301
302
303
/*
** Roll-back to the revision with the specified revision number.
*/
Dries's avatar
   
Dries committed
304

Dries's avatar
   
Dries committed
305
306
function node_revision_rollback($node, $revision) {
  global $user;
Dries's avatar
   
Dries committed
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341

  /*
  ** 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
342
  watchdog("special", "$node->type: rollbacked to revision #$revision of '$node->title'");
Dries's avatar
   
Dries committed
343
344
}

Dries's avatar
   
Dries committed
345
346
347
348
349
/*
** Delete the revision with specified revision number.
*/

function node_revision_delete($node, $revision) {
Dries's avatar
   
Dries committed
350
351

  unset($node->revisions[$revision]);
Dries's avatar
   
Dries committed
352

Dries's avatar
   
Dries committed
353
  node_save($node, array("nid", "revisions"));
Dries's avatar
   
Dries committed
354

Dries's avatar
   
Dries committed
355
  watchdog("special", "$node->type: removed revision #$revision of '$node->title'");
Dries's avatar
   
Dries committed
356
357
}

Dries's avatar
   
Dries committed
358
359
360
361
362
363
364
365
366
367
368
/*
** 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
369
370
}

Dries's avatar
 
Dries committed
371
function node_admin() {
Dries's avatar
   
Dries committed
372
  global $op, $id, $revision, $edit;
Dries's avatar
   
Dries committed
373

Dries's avatar
   
Dries committed
374
  if (user_access("administer nodes")) {
Dries's avatar
   
Dries committed
375

Dries's avatar
   
Dries committed
376
377
378
    /*
    ** Compile a list of the administrative links:
    */
Dries's avatar
Dries committed
379

Dries's avatar
   
Dries committed
380
381
382
383
    $links[] = "<a href=\"admin.php?mod=node&op=nodes\">nodes</a>";
    $links[] = "<a href=\"admin.php?mod=node&op=search\">search content</a>";
    $links[] = "<a href=\"admin.php?mod=node&op=settings\">settings</a>";
    $links[] = "<a href=\"admin.php?mod=node&op=help\">help</a>";
Dries's avatar
   
Dries committed
384

Dries's avatar
   
Dries committed
385
    print "<small>". implode(" &middot; ", $links) ."</small><hr />";
Dries's avatar
   
Dries committed
386
387
388
389
390
391

    switch ($op) {
      case "help":
        print node_help();
        break;
      case "search":
Dries's avatar
   
Dries committed
392
        print search_type("node", "admin.php?mod=node&op=search");
Dries's avatar
   
Dries committed
393
        break;
Dries's avatar
   
Dries committed
394
395
396
397
      case t("Save configuration"):
      case t("Reset to defaults"):
      case "settings":
        print node_admin_settings($edit);
Dries's avatar
   
Dries committed
398
399
        break;
      case "edit":
Dries's avatar
   
Dries committed
400
        print node_admin_edit($id);
Dries's avatar
   
Dries committed
401
        break;
Dries's avatar
   
Dries committed
402
403
404
      case "delete":
        print node_delete(array("nid" => $id));
        break;
Dries's avatar
   
Dries committed
405
      case "rollback revision":
Dries's avatar
   
Dries committed
406
407
        print node_revision_rollback(node_load(array("nid" => $id)), $revision);
        print node_admin_edit($id);
Dries's avatar
   
Dries committed
408
409
        break;
      case "delete revision":
Dries's avatar
   
Dries committed
410
411
        print node_revision_delete(node_load(array("nid" => $id)), $revision);
        print node_admin_edit($id);
Dries's avatar
   
Dries committed
412
        break;
Dries's avatar
   
Dries committed
413
      case t("Preview"):
Dries's avatar
   
Dries committed
414
        print node_preview($edit);
Dries's avatar
   
Dries committed
415
        break;
Dries's avatar
   
Dries committed
416
      case t("Submit"):
Dries's avatar
   
Dries committed
417
418
419
420
        print node_submit($edit);
        print node_admin_nodes();
        break;
      case t("Delete"):
Dries's avatar
   
Dries committed
421
        print node_delete($edit);
Dries's avatar
   
Dries committed
422
        break;
Dries's avatar
   
Dries committed
423
      default:
Dries's avatar
   
Dries committed
424
        print node_admin_nodes();
Dries's avatar
   
Dries committed
425
426
427
428
    }
  }
  else {
    print message_access();
Dries's avatar
 
Dries committed
429
430
431
  }
}

Dries's avatar
   
Dries committed
432
433
434
435
function node_block() {
  global $theme;

  $block[0][subject] = t("Syndicate");
Dries's avatar
   
Dries committed
436
  $block[0][content] = "<div align=\"center\"><a href=\"module.php?mod=node&op=feed\"><img src=\"". $theme->image("xml.gif") ."\" width=\"36\" height=\"14\" border=\"0\" alt=\"XML\" /></a></div>\n";
Dries's avatar
   
Dries committed
437
438
439
440
441
442
  $block[0][info] = "Syndicate";

  return $block;
}

function node_feed() {
Dries's avatar
   
Dries committed
443

Dries's avatar
   
Dries committed
444
  $result = db_query("SELECT nid, type FROM node WHERE promote = '1' AND status = '1' ORDER BY created DESC LIMIT 15");
Dries's avatar
   
Dries committed
445
446

  while ($node = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
447
    $item = node_load(array("nid" => $node->nid, "type" => $node->type));
Dries's avatar
   
Dries committed
448
449
450

    $link = path_uri() ."node.php?id=$item->nid";

Dries's avatar
   
Dries committed
451
    $items .= format_rss_item($item->title, $link, $item->teaser);
Dries's avatar
   
Dries committed
452
453
454
  }

  $output .= "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>\n";
Dries's avatar
   
Dries committed
455
  $output .= "<!DOCTYPE rss [<!ENTITY % HTMLlat1 PUBLIC \"-//W3C//ENTITIES Latin 1 for XHTML//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml-lat1.ent\">\n";
Dries's avatar
   
Dries committed
456
  $output .= "<rss version=\"0.91\">\n";
Dries's avatar
   
Dries committed
457
  $output .= format_rss_channel(variable_get("site_name", "drupal"), path_uri(), variable_get("site_slogan", ""), $items);
Dries's avatar
   
Dries committed
458
459
  $output .= "</rss>\n";

Dries's avatar
   
Dries committed
460
461
  header("Content-Type: text/xml");

Dries's avatar
   
Dries committed
462
463
464
465
  print $output;

}

Dries's avatar
   
Dries committed
466

Dries's avatar
   
Dries committed
467
function node_validate($node, $error = array()) {
Dries's avatar
   
Dries committed
468
469
470
471
472
473
474

  global $user;

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

Dries's avatar
   
Dries committed
475
  $node = node_object($node);
Dries's avatar
   
Dries committed
476

Dries's avatar
   
Dries committed
477

Dries's avatar
   
Dries committed
478
479
480
481
  /*
  ** Validate the title field:
  */

Dries's avatar
   
Dries committed
482
  if (isset($node->title) && !$node->title) {
Dries's avatar
   
Dries committed
483
484
485
486
487
488
489
490
491
    $error["title"] = "<div style=\"color: red;\">". t("You have to specify a valid title.") ."</div>";
  }

  if (user_access("administer nodes")) {

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

Dries's avatar
   
Dries committed
492
493
    if (!$node->created) {
      $node->created = time();
Dries's avatar
   
Dries committed
494
495
    }

Dries's avatar
   
Dries committed
496
497
    if (!$node->date) {
      $node->date = date("M j, Y g:i a", $node->created);
Dries's avatar
   
Dries committed
498
499
500
501
502
503
    }

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

Dries's avatar
   
Dries committed
504
505
506
507
508
509
510
511
512
    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
513
      $node->uid = $account->uid;
Dries's avatar
   
Dries committed
514
515
    }
    else {
Dries's avatar
   
Dries committed
516
      $error["name"] = "<div style=\"color: red;\">". sprintf(t("The name '%s' does not exist."), $node->name) ."</div>";
Dries's avatar
   
Dries committed
517
518
519
520
521
522
    }

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

Dries's avatar
   
Dries committed
523
524
    if (strtotime($node->date) > 1000) {
      $node->created = strtotime($node->date);
Dries's avatar
   
Dries committed
525
526
527
528
    }
    else {
      $error["date"] = "<div style=\"color: red;\">". t("You have to specifiy a valid date.") ."</div>";
    }
Dries's avatar
   
Dries committed
529
530
531
532
533

    /*
    ** Validate the "teaser"-field:
    */

Dries's avatar
   
Dries committed
534
    if ($node->teaser && count(explode(" ", $node->teaser)) < variable_get("minimum_teaser_size", 0)) {
Dries's avatar
   
Dries committed
535
536
537
      $error["teaser"] = "<div style=\"color: red;\">". t("Your teaser is too short.") ."</div>";
    }

Dries's avatar
   
Dries committed
538
539
  }

Dries's avatar
   
Dries committed
540
  return $node;
Dries's avatar
   
Dries committed
541
542
}

Dries's avatar
   
Dries committed
543

Dries's avatar
   
Dries committed
544
545
function node_form($edit) {

Dries's avatar
   
Dries committed
546
547
548
549
  /*
  ** Validate the node:
  */

Dries's avatar
   
Dries committed
550
  $edit = node_validate($edit, &$error);
Dries's avatar
   
Dries committed
551

Dries's avatar
   
Dries committed
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
  /*
  ** Get the node specific bits:
  */

  $function = $edit->type ."_form";
  if (function_exists($function)) {
    $form .= $function(&$edit, &$help, &$error);
  }

  /*
  ** Add the help text:
  */

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

Dries's avatar
   
Dries committed
569
570
571
572
  $output .= "<table border=\"0\" cellpadding=\"2\" cellspacing=\"2\">";
  $output .= " <tr>";
  $output .= "  <td valign=\"top\">";

Dries's avatar
   
Dries committed
573
574
575
576
577
578
579
580
581
582
583
  /*
  ** Add the default fields:
  */

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

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

  if ($edit->teaser) {
Dries's avatar
   
Dries committed
584
    $output .= form_textarea(t("Teaser"), "teaser", $edit->teaser, 60, 5, $error["teaser"]);
Dries's avatar
   
Dries committed
585
586
587
  }

  /*
Dries's avatar
   
Dries committed
588
  ** Add the node specific fields:
Dries's avatar
   
Dries committed
589
590
  */

Dries's avatar
   
Dries committed
591
  $output .= $form;
Dries's avatar
   
Dries committed
592
593
594
595
596
597
598
599
600

  /*
  ** Add the hidden fields:
  */

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

Dries's avatar
   
Dries committed
601
602
603
604
605
  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
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
    $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
625
  if ($edit->nid && node_access("delete", $edit)) {
Dries's avatar
   
Dries committed
626
627
628
629
630
631
632
633
    $output .= form_submit(t("Delete"));
  }

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

  if (user_access("administer nodes")) {
Dries's avatar
   
Dries committed
634
    $output .= "</td><td align=\"left\" valign=\"top\">";
Dries's avatar
   
Dries committed
635

Dries's avatar
   
Dries committed
636
637
638
    $output .= form_textfield(t("Authored by"), "name", $edit->name, 20, 25, $error["name"]);
    $output .= form_textfield(t("Authored on"), "date", $edit->date, 20, 25, $error["date"]);
    $output .= "<br />";
Dries's avatar
   
Dries committed
639
640
641
642
    $output .= form_select(t("Set public/published"), "status", $edit->status, array("Disabled", "Enabled"));
    $output .= form_select(t("Allow users comments"), "comment", $edit->comment, array("Disabled", "Enabled"));
    $output .= form_select(t("Promote to front page"), "promote", $edit->promote, array("Disabled", "Enabled"));
    $output .= form_select(t("Create new revision"), "revision", $edit->revision, array("Disabled", "Enabled"));
Dries's avatar
   
Dries committed
643
644
  }

Dries's avatar
   
Dries committed
645
646
647
648
  $output .= "  </td>";
  $output .= " </tr>";
  $output .= "</table>";

Dries's avatar
   
Dries committed
649
650
651
652
653
654
655
  return form($output);
}

function node_add($type) {
  global $user;

  if ($type) {
Dries's avatar
   
Dries committed
656
    $output = node_form(array("uid" => $user->uid, "name" => $user->name, "type" => $type));
Dries's avatar
   
Dries committed
657
658
  }
  else {
Dries's avatar
   
Dries committed
659

Dries's avatar
   
Dries committed
660
661
662
    /*
    ** Compile a list with the different node types and their explanation:
    */
Dries's avatar
   
Dries committed
663

Dries's avatar
   
Dries committed
664
    foreach (module_list() as $name) {
Dries's avatar
   
Dries committed
665
666
667
668
669
      if (module_hook($name, "node") && node_access("create", array("type" => $name))) {
        $output .= "<li>";
        $output .= " <a href=\"module.php?mod=node&op=add&type=$name\">". module_invoke($name, "node", "name") ."</a>";
        $output .= " <div style=\"margin-left: 20px;\">". module_invoke($name, "node", "description") ."</div>";
        $output .= "</li>";
Dries's avatar
   
Dries committed
670
      }
Dries's avatar
   
Dries committed
671
672
    }

Dries's avatar
   
Dries committed
673
674
    $output = t("Choose the appropriate item from the list:") ."<ul>$output</ul>";

Dries's avatar
   
Dries committed
675
676
677
678
679
680
681
682
683
684
  }

  return $output;
}

function node_edit($id) {
  global $user;

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

Dries's avatar
   
Dries committed
685
686
687
688
689
690
691
692
  if (node_access("update", $node)) {
    $output = node_form($node);
  }
  else {
    $output = message_access();
  }

  return $output;
Dries's avatar
   
Dries committed
693
694
695
696
697
698
699
700
}

function node_preview($edit) {

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

Dries's avatar
   
Dries committed
701
702
703
704
705
706
707
708
709
710
711
  if (isset($edit["name"])) {
      /*
      ** The use of isset() is mandatory in the context of user IDs as uid
      ** 0 denotes the anonymous user.
      */
    if ($user = user_load(array("name" => $edit["name"]))) {
      $edit["uid"] = $user->uid;
    }
    else {
      $edit["uid"] = 0; // anonymous user
    }
Dries's avatar
   
Dries committed
712
713
714
715
716
717
718
719
720
721
722
723
724
725
  }
  else if ($edit["uid"]) {
    $user = user_load(array("uid" => $edit["uid"]));
    $edit["name"] = $user->name;
  }

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

  if (empty($edit["nid"])) {
    $edit["created"] = time();
  }

Dries's avatar
   
Dries committed
726
727
728
729
730
731
732
733
  /*
  ** Apply the required filters:
  */

  foreach ($edit as $key => $value) {
    $node->$key = check_input($value);
  }

Dries's avatar
   
Dries committed
734
735
736
737
  /*
  ** Display a preview of the node:
  */

Dries's avatar
   
Dries committed
738
  node_view($node);
Dries's avatar
   
Dries committed
739
740
741
742

  return node_form($edit);
}

Dries's avatar
   
Dries committed
743
function node_submit($node) {
Dries's avatar
   
Dries committed
744
745
  global $user;

Dries's avatar
   
Dries committed
746
  if (user_access("post content")) {
Dries's avatar
   
Dries committed
747

Dries's avatar
   
Dries committed
748
749
750
751
    /*
    ** Verify a user's submission rate and avoid duplicate nodes being
    ** inserted:
    */
Dries's avatar
   
Dries committed
752

Dries's avatar
   
Dries committed
753
    throttle("node", variable_get("max_node_rate", 900));
Dries's avatar
   
Dries committed
754

Dries's avatar
   
Dries committed
755
756
757
    /*
    ** Fixup the node when required:
    */
Dries's avatar
   
Dries committed
758

Dries's avatar
   
Dries committed
759
    $node = node_validate($node);
Dries's avatar
   
Dries committed
760

Dries's avatar
   
Dries committed
761
762
763
    /*
    ** Apply the filters:
    */
Dries's avatar
   
Dries committed
764

Dries's avatar
   
Dries committed
765
766
767
    $node->teaser = filter($node->teaser);
    $node->title = filter($node->title);
    $node->body = filter($node->body);
Dries's avatar
   
Dries committed
768
769

    /*
Dries's avatar
   
Dries committed
770
    ** Create a new revision when required:
Dries's avatar
   
Dries committed
771
772
    */

Dries's avatar
   
Dries committed
773
774
775
    $node = node_revision_create($node);

    if ($node->nid) {
Dries's avatar
   
Dries committed
776
777

      /*
Dries's avatar
   
Dries committed
778
779
      ** Check whether the current user has the proper access rights to
      ** perform this operation:
Dries's avatar
   
Dries committed
780
781
      */

Dries's avatar
   
Dries committed
782
783
784
785
786
787
788
789
790
791
792
      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")) {
          $fields = array("nid", "uid", "body", "comment", "created", "promote", "moderate", "revisions", "status", "teaser", "title", "type" => $node->type);
        }
        else {
Dries's avatar
   
Dries committed
793
          $fields = array("nid", "uid" => ($user->uid ? $user->uid : 0), "body", "teaser", "title", "type" => $node->type);
Dries's avatar
   
Dries committed
794
795
796
797
798
799
        }

        node_save($node, array_merge($fields, module_invoke($node->type, "save", "update", $node)));

        watchdog("special", "$node->type: updated '$node->title'");
        $output = t("The node has been updated.");
Dries's avatar
   
Dries committed
800
801
      }
      else {
Dries's avatar
   
Dries committed
802
803
        watchdog("warning", "$node->type: not authorized to update node");
        $output = t("You are not authorized to update this node.");
Dries's avatar
   
Dries committed
804
805
      }

Dries's avatar
   
Dries committed
806
807
808
    }
    else {

Dries's avatar
   
Dries committed
809
810
811
812
      /*
      ** Check whether the current user has the proper access rights to
      ** perform this operation:
      */
Dries's avatar
   
Dries committed
813

Dries's avatar
   
Dries committed
814
      if (node_access("create", $node)) {
Dries's avatar
   
Dries committed
815

Dries's avatar
   
Dries committed
816
817
818
819
        /*
        ** 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
820

Dries's avatar
   
Dries committed
821
822
823
824
        if (user_access("administer nodes")) {
          $fields = array("uid", "body", "comment" => 1, "promote", "moderate", "status" => 1, "teaser", "title", "type" => $node->type);
        }
        else {
Dries's avatar
   
Dries committed
825
          $fields = array("uid" => ($user->uid ? $user->uid : 0), "body", "comment" => 1, "teaser", "title", "type" => $node->type);
Dries's avatar
   
Dries committed
826
827
828
        }

        node_save($node, array_merge($fields, module_invoke($node->type, "save", "create", $node)));
Dries's avatar
   
Dries committed
829

Dries's avatar
   
Dries committed
830
831
        watchdog("special", "$node->type: added '$node->title'");
        $output = t("Thanks for your submission.");
Dries's avatar
   
Dries committed
832
833
      }
      else {
Dries's avatar
   
Dries committed
834
835
        watchdog("warning", "$node->type: not authorized to create node");
        $output = t("You are not authorized to create this node.");
Dries's avatar
   
Dries committed
836
837
      }
    }
Dries's avatar
   
Dries committed
838
  }
Dries's avatar
   
Dries committed
839
840
841
  else {
    $output = message_access();
  }
Dries's avatar
   
Dries committed
842
843
844
845

  return $output;
}

Dries's avatar
   
Dries committed
846
function node_delete($edit) {
Dries's avatar
   
Dries committed
847

Dries's avatar
   
Dries committed
848
849
850
  $node = node_load(array("nid" => $edit["nid"]));

  if (node_access("delete", $node)) {
Dries's avatar
   
Dries committed
851

Dries's avatar
   
Dries committed
852
    if ($edit["confirm"]) {
Dries's avatar
   
Dries committed
853

Dries's avatar
   
Dries committed
854
855
856
857
858
859
860
861
862
863
864
865
866
      /*
      ** Delete the specified node and its comments:
      */

      db_query("DELETE FROM node WHERE nid = '$node->nid'");
      db_query("DELETE FROM comments WHERE lid = '$node->nid'");

      /*
      ** Call the node specific callback (if any):
      */

      module_invoke($node->type, "delete", &$node);

Dries's avatar
   
Dries committed
867
      watchdog("special", "$node->type: deleted '$node->title'");
Dries's avatar
   
Dries committed
868
869
870
      $output = t("The node has been deleted.");
    }
    else {
Dries's avatar
   
Dries committed
871
      $output .= form_item(t("Confirm deletion"), check_output($node->title));
Dries's avatar
   
Dries committed
872
873
874
      $output .= form_hidden("nid", $node->nid);
      $output .= form_hidden("confirm", 1);
      $output .= form_submit(t("Delete"));
Dries's avatar
   
Dries committed
875
      $output = form($output);
Dries's avatar
   
Dries committed
876
    }
Dries's avatar
   
Dries committed
877
878
  }
  else {
Dries's avatar
   
Dries committed
879
    watchdog("warning", "$node->type: not authorized to remove node");
Dries's avatar
   
Dries committed
880
    $output = t("You are not authorized to remove this node.");
Dries's avatar
   
Dries committed
881
882
883
884
885
  }

  return $output;
}

Dries's avatar
   
Dries committed
886
function node_page() {
Dries's avatar
   
Dries committed
887
  global $op, $id, $user, $edit, $type, $theme, $meta, $date;
Dries's avatar
   
Dries committed
888
889
890

  if ($op == "feed") {
    node_feed();
Dries's avatar
   
Dries committed
891
    return;
Dries's avatar
   
Dries committed
892
  }
Dries's avatar
   
Dries committed
893

Dries's avatar
   
Dries committed
894
895
896
897
898
899
900
901
902
903
904
905
906
907
  /*
  ** Try to find a good title:
  */

  if ($type) {
    $title = ucfirst(module_invoke($type, "node", "name"));
  }
  else if ($edit["type"]) {
    $title = ucfirst(module_invoke($edit["type"], "node", "name"));
  }
  else {
    $title = t("Submission form");
  }

Dries's avatar
   
Dries committed
908
909
910
911
  $theme->header();

  switch ($op) {
    case "add":
Dries's avatar
   
Dries committed
912
      $theme->box($title, node_add($type));
Dries's avatar
   
Dries committed
913
914
      break;
    case "edit":
Dries's avatar
   
Dries committed
915
      $theme->box($title, node_edit($id));
Dries's avatar
   
Dries committed
916
917
      break;
    case t("Preview"):
Dries's avatar
   
Dries committed
918
      $theme->box($title, node_preview($edit));
Dries's avatar
   
Dries committed
919
920
      break;
    case t("Submit"):
Dries's avatar
   
Dries committed
921
      $theme->box($title, node_submit($edit));
Dries's avatar
   
Dries committed
922
      break;
Dries's avatar
   
Dries committed
923
    case t("Delete"):
Dries's avatar
   
Dries committed
924
      $theme->box($title, node_delete($edit));
Dries's avatar
   
Dries committed
925
      break;
Dries's avatar
   
Dries committed
926
    default:
Dries's avatar
   
Dries committed
927
      $result = db_query("SELECT nid, type FROM node WHERE ". ($meta ? "attributes LIKE '%". check_input($meta) ."%' AND " : "") ." promote = '1' AND status = '1' AND created <= '". ($date > 0 ? check_input($date) : time()) ."' ORDER BY created DESC LIMIT ". ($user->nodes ? $user->nodes : variable_get("default_nodes_main", 10)));
928
      while ($node = db_fetch_object($result)) {
Dries's avatar
   
Dries committed
929
        node_view(node_load(array("nid" => $node->nid, "type" => $node->type)), 1);
930
931
      }
  }
Dries's avatar
   
Dries committed
932
933

  $theme->footer();
Dries's avatar
   
Dries committed
934
}
Dries's avatar
   
Dries committed
935

Dries's avatar
 
Dries committed
936
?>