xref: /plugin/discussion/action.php (revision bc7cf542794cc24c1bba7596d82e0b2b3c8013f2) 
1<?php
2/**
3 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
4 * @author     Esther Brunner <wikidesign@gmail.com>
5 */
6
7// must be run within Dokuwiki
8if (!defined('DOKU_INC')) die();
9
10if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
11require_once(DOKU_PLUGIN.'action.php');
12
13if (!defined('NL')) define('NL',"\n");
14
15class action_plugin_discussion extends DokuWiki_Action_Plugin{
16
17  /**
18   * Return some info
19   */
20  function getInfo(){
21    return array(
22      'author' => 'Esther Brunner',
23      'email'  => 'wikidesign@gmail.com',
24      'date'   => '2006-11-15',
25      'name'   => 'Discussion Plugin',
26      'desc'   => 'Enables discussion features',
27      'url'    => 'http://wiki:splitbrain.org/plugin:discussion',
28    );
29  }
30
31  /**
32   * Register the eventhandlers
33   */
34  function register(&$contr){
35    $contr->register_hook(
36      'ACTION_ACT_PREPROCESS',
37      'BEFORE',
38      $this,
39      'handle_act_preprocess',
40      array()
41    );
42    $contr->register_hook(
43      'TPL_ACT_RENDER',
44      'AFTER',
45      $this,
46      'comments',
47      array()
48    );
49  }
50
51  /**
52   * Main function; dispatches the comment actions
53   */
54  function comments(&$event, $param){
55    if ($event->data != 'show') return; // nothing to do for us
56
57    $cid  = $_REQUEST['cid'];
58
59    switch ($_REQUEST['comment']){
60
61      case 'add':
62        $comment = array(
63          'user'    => $_REQUEST['user'],
64          'name'    => $_REQUEST['name'],
65          'mail'    => $_REQUEST['mail'],
66          'url'     => $_REQUEST['url'],
67          'address' => $_REQUEST['address'],
68          'date'    => $_REQUEST['date'],
69          'raw'     => cleanText($_REQUEST['text'])
70        );
71        $repl = $_REQUEST['reply'];
72        $this->_add($comment, $repl);
73        break;
74
75      case 'edit':
76        $this->_show(NULL, $cid);
77        break;
78
79      case 'save':
80        $raw  = cleanText($_REQUEST['text']);
81        $this->_save($cid, $raw);
82        break;
83
84      case 'delete':
85        $this->_save($cid, '');
86
87      case 'toogle':
88        $this->_save($cid, '', true);
89        break;
90
91      default: // 'show' => $this->_show(), 'reply' => $this->_show($cid)
92        $this->_show($cid);
93    }
94  }
95
96  /**
97   * Shows all comments of the current page
98   */
99  function _show($reply = NULL, $edit = NULL){
100    global $ID;
101
102    // get discussion meta file name
103    $file = metaFN($ID, '.comments');
104
105    if (!file_exists($file)) return true;  // no comments at all
106
107    $data = unserialize(io_readFile($file, false));
108
109    if ($data['status'] == 0) return true; // comments are off
110
111    // section title
112    $title = $this->getLang('discussion');
113    $secid = cleanID($title);
114    echo '<h2><a name="'.$secid.'" id="'.$secid.'">'.$title.'</a></h2>';
115    echo '<div class="level2">';
116
117    // now display the comments
118    if (isset($data['comments'])){
119      foreach ($data['comments'] as $key => $value){
120        if ($key == $edit) $this->_form($value['raw'], 'save', $edit); // edit form
121        else $this->_print($key, $data, '', $reply);
122      }
123    }
124
125    // comment form
126    if (($data['status'] == 1) && !$reply && !$edit) $this->_form('');
127
128    echo '</div>';
129
130    return true;
131  }
132
133  /**
134   * Adds a new comment and then displays all comments
135   */
136  function _add($comment, $parent){
137    global $ID;
138    global $TEXT;
139
140    $otxt = $TEXT; // set $TEXT to comment text for wordblock check
141    $TEXT = $comment['raw'];
142
143    // spamcheck against the DokuWiki blacklist
144    if (checkwordblock()){
145      msg($this->getLang('wordblock'), -1);
146      $this->_show();
147      return false;
148    }
149
150    $TEXT = $otxt; // restore global $TEXT
151
152    // get discussion meta file name
153    $file = metaFN($ID, '.comments');
154
155    $data = array();
156    $data = unserialize(io_readFile($file, false));
157
158    if ($data['status'] != 1) return false;                // comments off or closed
159    if ((!$this->getConf('allowguests'))
160      && ($comment['user'] != $_SERVER['REMOTE_USER']))
161      return false;                                        // guest comments not allowed
162
163    if ($comment['date']) $date = strtotime($comment['date']);
164    else $date = time();
165    if ($date == -1) $date = time();
166    $cid  = md5($comment['user'].$date);                   // create a unique id
167
168    if (!is_array($data['comments'][$parent])) $parent = NULL; // invalid parent comment
169
170    // render the comment
171    $xhtml = $this->_render($comment['raw']);
172
173    // fill in the new comment
174    $data['comments'][$cid] = array(
175      'user'    => htmlspecialchars($comment['user']),
176      'name'    => htmlspecialchars($comment['name']),
177      'mail'    => htmlspecialchars($comment['mail']),
178      'date'    => $date,
179      'show'    => true,
180      'raw'     => trim($comment['raw']),
181      'xhtml'   => $xhtml,
182      'parent'  => $parent,
183      'replies' => array()
184    );
185    if ($comment['url'])
186      $data['comments'][$cid]['url'] = htmlspecialchars($comment['url']);
187    if ($comment['address'])
188      $data['comments'][$cid]['address'] = htmlspecialchars($comment['address']);
189
190    // update parent comment
191    if ($parent) $data['comments'][$parent]['replies'][] = $cid;
192
193    // update the number of comments
194    $data['number']++;
195
196    // save the comment metadata file
197    io_saveFile($file, serialize($data));
198    $this->_addLogEntry($date, $ID, 'cc', '', $cid);
199
200    // notify subscribers of the page
201    $this->_notify($data['comments'][$cid]);
202
203    $this->_show();
204    return true;
205  }
206
207  /**
208   * Saves the comment with the given ID and then displays all comments
209   */
210  function _save($cid, $raw, $toogle = false){
211    global $ID;
212    global $TEXT;
213    global $INFO;
214
215    $otxt = $TEXT; // set $TEXT to comment text for wordblock check
216    $TEXT = $raw;
217
218    // spamcheck against the DokuWiki blacklist
219    if (checkwordblock()){
220      msg($this->getLang('wordblock'), -1);
221      $this->_show();
222      return false;
223    }
224
225    $TEXT = $otxt; // restore global $TEXT
226
227    // get discussion meta file name
228    $file = metaFN($ID, '.comments');
229
230    $data = array();
231    $data = unserialize(io_readFile($file, false));
232
233    // someone else was trying to edit our comment -> abort
234    if (($data['comments'][$cid]['user'] != $_SERVER['REMOTE_USER'])
235      && ($INFO['perm'] != AUTH_ADMIN)) return false;
236
237    $date = time();
238
239    if ($toogle){     // toogle visibility
240      $now = $data['comments'][$cid]['show'];
241      $data['comments'][$cid]['show'] = !$now;
242      $data['number'] = $this->_count($data);
243
244      $type = ($data['comments'][$cid]['show'] ? 'sc' : 'hc');
245
246    } elseif (!$raw){ // remove the comment
247      unset($data['comments'][$cid]);
248      $data['number'] = $this->_count($data);
249
250      $type = 'dc';
251
252    } else {          // save changed comment
253      $xhtml = $this->_render($raw);
254
255      // now change the comment's content
256      $data['comments'][$cid]['edited'] = $date;
257      $data['comments'][$cid]['raw']    = trim($raw);
258      $data['comments'][$cid]['xhtml']  = $xhtml;
259
260      $type = 'ec';
261    }
262
263    // save the comment metadata file
264    io_saveFile($file, serialize($data));
265    $this->_addLogEntry($date, $ID, $type, '', $cid);
266
267    $this->_show();
268    return true;
269  }
270
271  /**
272   * Prints an individual comment
273   */
274  function _print($cid, &$data, $parent = '', $reply = '', $visible = true){
275    global $conf;
276    global $lang;
277    global $ID;
278    global $INFO;
279
280    $comment = $data['comments'][$cid];
281
282    if (!is_array($comment)) return false;          // corrupt datatype
283
284    if ($comment['parent'] != $parent) return true; // reply to an other comment
285
286    if (!$comment['show']){                         // comment hidden
287      if ($INFO['perm'] == AUTH_ADMIN) echo '<div class="comment_hidden">'.NL;
288      else return true;
289    }
290
291    // comment head with date and user data
292    echo '<div class="comment_head">'.NL;
293    echo '<a name="comment__'.$cid.'" id="comment__'.$cid.'">'.NL;
294
295    // show gravatar image
296    if ($this->getConf('usegravatar')){
297      $default = DOKU_URL.'lib/plugins/discussion/images/default.gif';
298      $size    = $this->getConf('gravatar_size');
299      if ($comment['mail']) $src = ml('http://www.gravatar.com/avatar.php?'.
300        'gravatar_id='.md5($comment['mail']).
301        '&default='.urlencode($default).
302        '&size='.$size.
303        '&rating='.$this->getConf('gravatar_rating'));
304      else $src = $default;
305      $title = ($comment['name'] ? $comment['name'] : obfuscate($comment['mail']));
306      echo '<img src="'.$src.'" class="medialeft" title="'.$title.'"'.
307        ' alt="'.$title.'" width="'.$size.'" height="'.$size.'" />'.NL;
308      $style = ' style="margin-left: '.($size + 14).'px;"';
309    } else {
310      $style = ' style="margin-left: 20px;"';
311    }
312
313    echo '</a>'.NL;
314    if ($this->getConf('linkemail') && $comment['mail']){
315      echo $this->email($comment['email'], $comment['name']);
316    } elseif ($comment['url']){
317      echo $this->external_link($comment['url'], $comment['name'], 'urlextern');
318    } else {
319      echo $comment['name'];
320    }
321    if ($comment['address']) echo ', '.htmlentities($comment['address']);
322    echo ', '.date($conf['dformat'], $comment['date']);
323    if ($comment['edited']) echo ' ('.date($conf['dformat'], $comment['edited']).')';
324    echo ':'.NL;
325    echo '</div>'.NL; // class="comment_head"
326
327    // main comment content
328    echo '<div class="comment_body"'.($this->getConf('usegravatar') ? $style : '').'>'.NL;
329    echo $comment['xhtml'].NL;
330    echo '</div>'.NL; // class="comment_body"
331
332
333    if ($visible){
334      // show hide/show toogle button?
335      echo '<div class="comment_buttons">'.NL;
336      if ($INFO['perm'] == AUTH_ADMIN){
337        if (!$comment['show']) $label = $this->getLang('btn_show');
338        else $label = $this->getLang('btn_hide');
339
340        $this->_button($cid, $label, 'toogle');
341      }
342
343      // show reply button?
344      if (($data['status'] == 1) && !$reply && $comment['show']
345        && ($this->getConf('allowguests') || $_SERVER['REMOTE_USER']))
346        $this->_button($cid, $this->getLang('btn_reply'), 'reply', true);
347
348      // show edit and delete button?
349      if ((($comment['user'] == $_SERVER['REMOTE_USER']) && ($comment['user'] != ''))
350        || ($INFO['perm'] == AUTH_ADMIN))
351        $this->_button($cid, $lang['btn_secedit'], 'edit', true);
352      if ($INFO['perm'] == AUTH_ADMIN)
353        $this->_button($cid, $lang['btn_delete'], 'delete');
354      echo '</div>'.NL; // class="comment_buttons"
355    }
356
357    // replies to this comment entry?
358    if (count($comment['replies'])){
359      echo '<div class="comment_replies"'.$style.'>'.NL;
360      $visible = ($comment['show'] && $visible);
361      foreach ($comment['replies'] as $rid){
362        $this->_print($rid, $data, $cid, $reply, $visible);
363      }
364      echo '</div>'.NL; // class="comment_replies"
365    }
366
367    if (!$comment['show']) echo '</div>'.NL; // class="comment_hidden"
368
369    // reply form
370    if ($reply == $cid){
371      echo '<div class="comment_replies">'.NL;
372      $this->_form('', 'add', $cid);
373      echo '</div>'.NL; // class="comment_replies"
374    }
375  }
376
377  /**
378   * Outputs the comment form
379   */
380  function _form($raw = '', $act = 'add', $cid = NULL){
381    global $lang;
382    global $conf;
383    global $ID;
384    global $INFO;
385
386    // not for unregistered users when guest comments aren't allowed
387    if (!$_SERVER['REMOTE_USER'] && !$this->getConf('allowguests')) return false;
388
389    ?>
390    <div class="comment_form">
391      <form id="discussion__comment_form" method="post" action="<?php echo script() ?>" accept-charset="<?php echo $lang['encoding'] ?>" onsubmit="return validate(this);">
392        <div class="no">
393          <input type="hidden" name="id" value="<?php echo $ID ?>" />
394          <input type="hidden" name="do" value="show" />
395          <input type="hidden" name="comment" value="<?php echo $act ?>" />
396    <?php
397
398    // for adding a comment
399    if ($act == 'add'){
400      ?>
401          <input type="hidden" name="reply" value="<?php echo $cid ?>" />
402      <?php
403      // for registered user
404      if ($conf['useacl'] && $_SERVER['REMOTE_USER']){
405      ?>
406          <input type="hidden" name="user" value="<?php echo $_SERVER['REMOTE_USER'] ?>" />
407          <input type="hidden" name="name" value="<?php echo $INFO['userinfo']['name'] ?>" />
408          <input type="hidden" name="mail" value="<?php echo $INFO['userinfo']['mail'] ?>" />
409      <?php
410      // for guest: show name and e-mail entry fields
411      } else {
412      ?>
413          <input type="hidden" name="user" value="<?php echo clientIP() ?>" />
414          <div class="comment_name">
415            <label class="block" for="discussion__comment_name">
416              <span><?php echo $lang['fullname'] ?>:</span>
417              <input type="text" class="edit" name="name" id="discussion__comment_name" size="50" tabindex="1" />
418            </label>
419          </div>
420          <div class="comment_mail">
421            <label class="block" for="discussion__comment_mail">
422              <span><?php echo $lang['email'] ?>:</span>
423              <input type="text" class="edit" name="mail" id="discussion__comment_mail" size="50" tabindex="2" />
424            </label>
425          </div>
426      <?php
427      }
428
429      // allow entering an URL
430      if ($this->getConf('urlfield')){
431      ?>
432          <div class="comment_url">
433            <label class="block" for="discussion__comment_url">
434              <span><?php echo $this->getLang('url') ?>:</span>
435              <input type="text" class="edit" name="url" id="discussion__comment_url" size="50" tabindex="3" />
436            </label>
437          </div>
438      <?php
439      }
440
441      // allow entering an address
442      if ($this->getConf('addressfield')){
443      ?>
444          <div class="comment_address">
445            <label class="block" for="discussion__comment_address">
446              <span><?php echo $this->getLang('address') ?>:</span>
447              <input type="text" class="edit" name="address" id="discussion__comment_address" size="50" tabindex="4" />
448            </label>
449          </div>
450      <?php
451      }
452
453      // allow setting the comment date
454      if ($this->getConf('datefield') && ($INFO['perm'] == AUTH_ADMIN)){
455      ?>
456          <div class="comment_date">
457            <label class="block" for="discussion__comment_date">
458              <span><?php echo $this->getLang('date') ?>:</span>
459              <input type="text" class="edit" name="date" id="discussion__comment_date" size="50" />
460            </label>
461          </div>
462      <?php
463      }
464
465    // for saving a comment
466    } else {
467    ?>
468          <input type="hidden" name="cid" value="<?php echo $cid ?>" />
469    <?php
470    }
471    ?>
472          <div class="comment_text">
473            <textarea class="edit" name="text" cols="80" rows="10" id="discussion__comment_text" tabindex="5"><?php echo $raw ?></textarea>
474          </div>
475          <input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save'] ?>" tabindex="6" />
476        </div>
477      </form>
478    </div>
479    <?php
480    if ($this->getConf('usecocomment')) echo $this->_coComment();
481  }
482
483  /**
484   * Adds a javascript to interact with coComments
485   */
486  function _coComment(){
487    global $ID;
488    global $conf;
489    global $INFO;
490
491    $user = $_SERVER['REMOTE_USER'];
492
493    ?>
494    <script type="text/javascript"><!--//--><![CDATA[//><!--
495      var blogTool  = "DokuWiki";
496      var blogURL   = "<?php echo DOKU_URL ?>";
497      var blogTitle = "<?php echo $conf['title'] ?>";
498      var postURL   = "<?php echo wl($ID, '', true) ?>";
499      var postTitle = "<?php echo tpl_pagetitle($ID, true) ?>";
500    <?php
501    if ($user){
502    ?>
503      var commentAuthor = "<?php echo $INFO['userinfo']['name'] ?>";
504    <?php
505    } else {
506    ?>
507      var commentAuthorFieldName = "name";
508    <?php
509    }
510    ?>
511      var commentAuthorLoggedIn = <?php echo ($user ? 'true' : 'false') ?>;
512      var commentFormID         = "discussion__comment_form";
513      var commentTextFieldName  = "text";
514      var commentButtonName     = "submit";
515      var cocomment_force       = false;
516    //--><!]]></script>
517    <script type="text/javascript" src="http://www.cocomment.com/js/cocomment.js">
518    </script>
519    <?php
520  }
521
522  /**
523   * General button function
524   */
525  function _button($cid, $label, $act, $jump = false){
526    global $ID;
527    $anchor = ($jump ? '#discussion__comment_form' : '' );
528
529    ?>
530    <form class="button" method="post" action="<?php echo script().$anchor ?>">
531      <div class="no">
532        <input type="hidden" name="id" value="<?php echo $ID ?>" />
533        <input type="hidden" name="do" value="show" />
534        <input type="hidden" name="comment" value="<?php echo $act ?>" />
535        <input type="hidden" name="cid" value="<?php echo $cid ?>" />
536        <input type="submit" value="<?php echo $label ?>" class="button" title="<?php echo $label ?>" />
537      </div>
538    </form>
539    <?php
540    return true;
541  }
542
543  /**
544   * Adds an entry to the comments changelog
545   *
546   * @author Esther Brunner <wikidesign@gmail.com>
547   * @author Ben Coburn <btcoburn@silicodon.net>
548   */
549  function _addLogEntry($date, $id, $type = 'cc', $summary = '', $extra = ''){
550    global $conf;
551
552    $changelog = $conf['metadir'].'/_comments.changes';
553
554    if(!$date) $date = time(); //use current time if none supplied
555    $remote = $_SERVER['REMOTE_ADDR'];
556    $user   = $_SERVER['REMOTE_USER'];
557
558    $strip = array("\t", "\n");
559    $logline = array(
560      'date'  => $date,
561      'ip'    => $remote,
562      'type'  => str_replace($strip, '', $type),
563      'id'    => $id,
564      'user'  => $user,
565      'sum'   => str_replace($strip, '', $summary),
566      'extra' => str_replace($strip, '', $extra)
567    );
568
569    // add changelog line
570    $logline = implode("\t", $logline)."\n";
571    io_saveFile($changelog, $logline, true); //global changelog cache
572    $this->_trimRecentCommentsLog($changelog);
573  }
574
575  /**
576   * Trims the recent comments cache to the last $conf['changes_days'] recent
577   * changes or $conf['recent'] items, which ever is larger.
578   * The trimming is only done once a day.
579   *
580   * @author Ben Coburn <btcoburn@silicodon.net>
581   */
582  function _trimRecentCommentsLog($changelog){
583    global $conf;
584
585    if (@file_exists($changelog) &&
586      (filectime($changelog) + 86400) < time() &&
587      !@file_exists($changelog.'_tmp')){
588
589      io_lock($changelog);
590      $lines = file($changelog);
591      if (count($lines)<$conf['recent']) {
592          // nothing to trim
593          io_unlock($changelog);
594          return true;
595      }
596
597      io_saveFile($changelog.'_tmp', '');                  // presave tmp as 2nd lock
598      $trim_time = time() - $conf['recent_days']*86400;
599      $out_lines = array();
600
601      for ($i=0; $i<count($lines); $i++) {
602        $log = parseChangelogLine($lines[$i]);
603        if ($log === false) continue;                      // discard junk
604        if ($log['date'] < $trim_time) {
605          $old_lines[$log['date'].".$i"] = $lines[$i];     // keep old lines for now (append .$i to prevent key collisions)
606        } else {
607          $out_lines[$log['date'].".$i"] = $lines[$i];     // definitely keep these lines
608        }
609      }
610
611      // sort the final result, it shouldn't be necessary,
612      // however the extra robustness in making the changelog cache self-correcting is worth it
613      ksort($out_lines);
614      $extra = $conf['recent'] - count($out_lines);        // do we need extra lines do bring us up to minimum
615      if ($extra > 0) {
616        ksort($old_lines);
617        $out_lines = array_merge(array_slice($old_lines,-$extra),$out_lines);
618      }
619
620      // save trimmed changelog
621      io_saveFile($changelog.'_tmp', implode('', $out_lines));
622      @unlink($changelog);
623      if (!rename($changelog.'_tmp', $changelog)) {
624        // rename failed so try another way...
625        io_unlock($changelog);
626        io_saveFile($changelog, implode('', $out_lines));
627        @unlink($changelog.'_tmp');
628      } else {
629        io_unlock($changelog);
630      }
631      return true;
632    }
633  }
634
635  /**
636   * Sends a notify mail on new comment
637   *
638   * @param  array  $comment  data array of the new comment
639   *
640   * @author Andreas Gohr <andi@splitbrain.org>
641   * @author Esther Brunner <wikidesign@gmail.com>
642   */
643  function _notify($comment){
644    global $conf;
645    global $ID;
646
647    if (!$conf['subscribers']) return; //subscribers enabled?
648    $bcc  = subscriber_addresslist($ID);
649    if (empty($bcc)) return;
650    $to   = '';
651    $text = io_readFile($this->localFN('subscribermail'));
652
653    $text = str_replace('@PAGE@', $ID, $text);
654    $text = str_replace('@TITLE@', $conf['title'], $text);
655    $text = str_replace('@DATE@', date($conf['dformat'], $comment['date']), $text);
656    $text = str_replace('@NAME@', $comment['name'], $text);
657    $text = str_replace('@TEXT@', $comment['raw'], $text);
658    $text = str_replace('@UNSUBSCRIBE@', wl($ID, 'do=unsubscribe', true, '&'), $text);
659    $text = str_replace('@DOKUWIKIURL@', DOKU_URL, $text);
660
661    $subject = '['.$conf['title'].'] '.$this->getLang('mail_newcomment');
662
663    mail_send($to, $subject, $text, $conf['mailfrom'], '', $bcc);
664  }
665
666  /**
667   * Counts the number of visible comments
668   */
669  function _count($data){
670    $number = 0;
671    foreach ($data['comments'] as $cid => $comment){
672      if ($comment['parent']) continue;
673      if (!$comment['show']) continue;
674      $number++;
675      $rids = $comment['replies'];
676      if (count($rids)) $number = $number + $this->_countReplies($data, $rids);
677    }
678    return $number;
679  }
680
681  function _countReplies(&$data, $rids){
682    $number = 0;
683    foreach ($rids as $rid){
684      if (!$data['comments'][$rid]['show']) continue;
685      $number++;
686      $rids = $data['comments'][$rid]['replies'];
687      if (count($rids)) $number = $number + $this->_countReplies($data, $rids);
688    }
689    return $number;
690  }
691
692  /**
693   * Renders the comment text
694   */
695  function _render($raw){
696    if ($this->getConf('wikisyntaxok')){
697      $xhtml = $this->render($raw);
698    } else { // wiki syntax not allowed -> just encode special chars
699      $xhtml = htmlspecialchars(trim($raw));
700    }
701    return $xhtml;
702  }
703
704  /**
705   * Checks if 'newthread' was given as action, if so we
706   * do handle the event our self and no further checking takes place
707   */
708  function handle_act_preprocess(&$event, $param){
709    if ($event->data != 'newthread') return; // nothing to do for us
710
711    global $ACT;
712    global $ID;
713
714    // we can handle it -> prevent others
715    $event->stopPropagation();
716    $event->preventDefault();
717
718    $ns    = $_REQUEST['ns'];
719    $title = str_replace(':', '', $_REQUEST['title']);
720    $id    = ($ns ? $ns.':' : '').cleanID($title);
721
722    // check if we are allowed to create this file
723    if (auth_quickaclcheck($id) >= AUTH_CREATE){
724      $back = $ID;
725      $ID   = $id;
726      $file = wikiFN($ID);
727
728      //check if locked by anyone - if not lock for my self
729      if (checklock($ID)){
730        $ACT = 'locked';
731      } else {
732        lock($ID);
733      }
734
735      // prepare the new thread file with default stuff
736      if (!@file_exists($file)){
737        global $TEXT;
738        global $INFO;
739        global $conf;
740
741        $TEXT = pageTemplate(array($ns.':'.$title));
742        if (!$TEXT) $TEXT = "<- [[:$back]]\n\n====== $title ======\n\n".
743                            "{{gravatar>".$INFO['userinfo']['mail']." }} ".
744                            "//".$INFO['userinfo']['name'].", ".
745                            date($conf['dformat']).": //\n\n\n\n".
746                            "~~DISCUSSION~~\n";
747        $ACT = 'preview';
748      } else {
749        $ACT = 'edit';
750      }
751    } else {
752      $ACT = 'show';
753    }
754  }
755
756}
757
758//Setup VIM: ex: et ts=4 enc=utf-8 :
759