xref: /plugin/discussion/action.php (revision f0fda08aecb1d731a5aee9fa543fdbf11bd942b9) 
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'   => '2006-11-06',
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 'toogle':
85        $this->_save($cid, '', true);
86        break;
87
88      default: // 'show' => $this->_show(), 'reply' => $this->_show($cid)
89        $this->_show($cid);
90    }
91  }
92
93  /**
94   * Shows all comments of the current page
95   */
96  function _show($reply = NULL, $edit = NULL){
97    global $ID;
98
99    // get discussion meta file name
100    $file = metaFN($ID, '.comments');
101
102    if (!file_exists($file)) return true;  // no comments at all
103
104    $data = unserialize(io_readFile($file, false));
105
106    if ($data['status'] == 0) return true; // comments are off
107
108    // section title
109    $title = $this->getLang('discussion');
110    $secid = cleanID($title);
111    echo '<h2><a name="'.$secid.'" id="'.$secid.'">'.$title.'</a></h2>';
112    echo '<div class="level2">';
113
114    // now display the comments
115    if (isset($data['comments'])){
116      foreach ($data['comments'] as $key => $value){
117        if ($key == $edit) $this->_form($value['raw'], 'save', $edit); // edit form
118        else $this->_print($key, $data, '', $reply);
119      }
120    }
121
122    // comment form
123    if (($data['status'] == 1) && !$reply && !$edit) $this->_form('');
124
125    echo '</div>';
126
127    return true;
128  }
129
130  /**
131   * Adds a new comment and then displays all comments
132   */
133  function _add($comment, $parent){
134    global $ID;
135    global $TEXT;
136
137    $otxt = $TEXT; // set $TEXT to comment text for wordblock check
138    $TEXT = $comment['raw'];
139
140    // spamcheck against the DokuWiki blacklist
141    if (checkwordblock()){
142      msg($this->getLang('wordblock'), -1);
143      $this->_show();
144      return false;
145    }
146
147    $TEXT = $otxt; // restore global $TEXT
148
149    // get discussion meta file name
150    $file = metaFN($ID, '.comments');
151
152    $data = array();
153    $data = unserialize(io_readFile($file, false));
154
155    if ($data['status'] != 1) return false;                // comments off or closed
156    if ((!$this->getConf('allowguests'))
157      && ($comment['user'] != $_SERVER['REMOTE_USER']))
158      return false;                                        // guest comments not allowed
159
160    if ($comment['date']) $date = strtotime($comment['date']);
161    else $date = time();
162    if ($date == -1) $date = time();
163    $cid  = md5($comment['user'].$date);                   // create a unique id
164
165    if (!is_array($data['comments'][$parent])) $parent = NULL; // invalid parent comment
166
167    // render the comment
168    $xhtml = $this->_render($comment['raw']);
169
170    // fill in the new comment
171    $data['comments'][$cid] = array(
172      'user'    => htmlspecialchars($comment['user']),
173      'name'    => htmlspecialchars($comment['name']),
174      'mail'    => htmlspecialchars($comment['mail']),
175      'date'    => $date,
176      'show'    => true,
177      'raw'     => trim($comment['raw']),
178      'xhtml'   => $xhtml,
179      'parent'  => $parent,
180      'replies' => array()
181    );
182    if ($comment['url'])
183      $data['comments'][$cid]['url'] = htmlspecialchars($comment['url']);
184    if ($comment['address'])
185      $data['comments'][$cid]['address'] = htmlspecialchars($comment['address']);
186
187    // update parent comment
188    if ($parent) $data['comments'][$parent]['replies'][] = $cid;
189
190    // update the number of comments
191    $data['number']++;
192
193    // save the comment metadata file
194    io_saveFile($file, serialize($data));
195    $this->_addLogEntry($date, $ID, 'cc', '', $cid);
196
197    // notify subscribers of the page
198    $this->_notify($data['comments'][$cid]);
199
200    $this->_show();
201    return true;
202  }
203
204  /**
205   * Saves the comment with the given ID and then displays all comments
206   */
207  function _save($cid, $raw, $toogle = false){
208    global $ID;
209    global $TEXT;
210    global $INFO;
211
212    $otxt = $TEXT; // set $TEXT to comment text for wordblock check
213    $TEXT = $raw;
214
215    // spamcheck against the DokuWiki blacklist
216    if (checkwordblock()){
217      msg($this->getLang('wordblock'), -1);
218      $this->_show();
219      return false;
220    }
221
222    $TEXT = $otxt; // restore global $TEXT
223
224    // get discussion meta file name
225    $file = metaFN($ID, '.comments');
226
227    $data = array();
228    $data = unserialize(io_readFile($file, false));
229
230    // someone else was trying to edit our comment -> abort
231    if (($data['comments'][$cid]['user'] != $_SERVER['REMOTE_USER'])
232      && ($INFO['perm'] != AUTH_ADMIN)) return false;
233
234    $date = time();
235
236    if ($toogle){     // toogle visibility
237      $now = $data['comments'][$cid]['show'];
238      $data['comments'][$cid]['show'] = !$now;
239      $data['number'] = $this->_count($data);
240
241      $type = ($data['comments'][$cid]['show'] ? 'sc' : 'hc');
242
243    } elseif (!$raw){ // remove the comment
244      unset($data['comments'][$cid]);
245      $data['number'] = $this->_count($data);
246
247      $type = 'dc';
248
249    } else {          // save changed comment
250      $xhtml = $this->_render($raw);
251
252      // now change the comment's content
253      $data['comments'][$cid]['edited'] = $date;
254      $data['comments'][$cid]['raw']    = trim($raw);
255      $data['comments'][$cid]['xhtml']  = $xhtml;
256
257      $type = 'ec';
258    }
259
260    // save the comment metadata file
261    io_saveFile($file, serialize($data));
262    $this->_addLogEntry($date, $ID, $type, '', $cid);
263
264    $this->_show();
265    return true;
266  }
267
268  /**
269   * Prints an individual comment
270   */
271  function _print($cid, &$data, $parent = '', $reply = '', $visible = true){
272    global $conf;
273    global $lang;
274    global $ID;
275    global $INFO;
276
277    $comment = $data['comments'][$cid];
278
279    if (!is_array($comment)) return false;          // corrupt datatype
280
281    if ($comment['parent'] != $parent) return true; // reply to an other comment
282
283    if (!$comment['show']){                         // comment hidden
284      if ($INFO['perm'] == AUTH_ADMIN) echo '<div class="comment_hidden">'.NL;
285      else return true;
286    }
287
288    // comment head with date and user data
289    echo '<div class="comment_head">'.NL;
290    echo '<a name="comment__'.$cid.'" id="comment__'.$cid.'">'.NL;
291
292    // show gravatar image
293    if ($this->getConf('usegravatar')){
294      $default = DOKU_URL.'lib/plugins/discussion/images/default.gif';
295      $size    = $this->getConf('gravatar_size');
296      if ($comment['mail']) $src = ml('http://www.gravatar.com/avatar.php?'.
297        'gravatar_id='.md5($comment['mail']).
298        '&default='.urlencode($default).
299        '&size='.$size.
300        '&rating='.$this->getConf('gravatar_rating'));
301      else $src = $default;
302      $title = ($comment['name'] ? $comment['name'] : obfuscate($comment['mail']));
303      echo '<img src="'.$src.'" class="medialeft" title="'.$title.'"'.
304        ' alt="'.$title.'" width="'.$size.'" height="'.$size.'" />'.NL;
305    }
306
307    echo '</a>'.NL;
308    if ($this->getConf('linkemail') && $comment['mail']){
309      echo $this->email($comment['email'], $comment['name']);
310    } elseif ($comment['url']){
311      echo $this->external_link($comment['url'], $comment['name'], 'urlextern');
312    } else {
313      echo $comment['name'];
314    }
315    if ($comment['address']) echo ', '.htmlentities($comment['address']);
316    echo ', '.date($conf['dformat'], $comment['date']);
317    if ($comment['edited']) echo ' ('.date($conf['dformat'], $comment['edited']).')';
318    echo ':'.NL;
319    echo '</div>'.NL; // class="comment_head"
320
321    // main comment content
322    echo '<div class="comment_body">'.NL;
323    echo $comment['xhtml'].NL;
324    echo '</div>'.NL; // class="comment_body"
325
326
327    if ($visible){
328      // show hide/show toogle button?
329      echo '<div class="comment_buttons">'.NL;
330      if ($INFO['perm'] == AUTH_ADMIN){
331        if (!$comment['show']) $label = $this->getLang('btn_show');
332        else $label = $this->getLang('btn_hide');
333
334        $this->_button($cid, $label, 'toogle');
335      }
336
337      // show reply button?
338      if (($data['status'] == 1) && !$reply && $comment['show'])
339        $this->_button($cid, $this->getLang('btn_reply'), 'reply');
340
341      // show edit button?
342      if ((($comment['user'] == $_SERVER['REMOTE_USER']) && ($comment['user'] != ''))
343        || ($INFO['perm'] == AUTH_ADMIN))
344        $this->_button($cid, $lang['btn_secedit'], 'edit');
345      echo '</div>'.NL; // class="comment_buttons"
346    }
347
348    // replies to this comment entry?
349    if (count($comment['replies'])){
350      echo '<div class="comment_replies">'.NL;
351      $visible = ($comment['show'] && $visible);
352      foreach ($comment['replies'] as $rid){
353        $this->_print($rid, $data, $cid, $reply, $visible);
354      }
355      echo '</div>'.NL; // class="comment_replies"
356    }
357
358    if (!$comment['show']) echo '</div>'.NL; // class="comment_hidden"
359
360    // reply form
361    if ($reply == $cid){
362      echo '<div class="comment_replies">'.NL;
363      $this->_form('', 'add', $cid);
364      echo '</div>'.NL; // class="comment_replies"
365    }
366  }
367
368  /**
369   * Outputs the comment form
370   */
371  function _form($raw = '', $act = 'add', $cid = NULL){
372    global $lang;
373    global $conf;
374    global $ID;
375    global $INFO;
376
377    // not for unregistered users when guest comments aren't allowed
378    if (!$_SERVER['REMOTE_USER'] && !$this->getConf('allowguests')) return false;
379
380    ?>
381    <div class="comment_form">
382      <form id="discussion__comment_form" method="post" action="<?php echo script() ?>" accept-charset="<?php echo $lang['encoding'] ?>" onsubmit="return validate(this);">
383        <div class="no">
384          <input type="hidden" name="id" value="<?php echo $ID ?>" />
385          <input type="hidden" name="do" value="show" />
386          <input type="hidden" name="comment" value="<?php echo $act ?>" />
387    <?php
388
389    // for adding a comment
390    if ($act == 'add'){
391      ?>
392          <input type="hidden" name="reply" value="<?php echo $cid ?>" />
393      <?php
394      // for registered user
395      if ($conf['useacl'] && $_SERVER['REMOTE_USER']){
396      ?>
397          <input type="hidden" name="user" value="<?php echo $_SERVER['REMOTE_USER'] ?>" />
398          <input type="hidden" name="name" value="<?php echo $INFO['userinfo']['name'] ?>" />
399          <input type="hidden" name="mail" value="<?php echo $INFO['userinfo']['mail'] ?>" />
400      <?php
401      // for guest: show name and e-mail entry fields
402      } else {
403      ?>
404          <input type="hidden" name="user" value="<?php echo clientIP() ?>" />
405          <div class="comment_name">
406            <label class="block" for="discussion__comment_name">
407              <span><?php echo $lang['fullname'] ?>:</span>
408              <input type="text" class="edit" name="name" id="discussion__comment_name" size="50" tabindex="1" />
409            </label>
410          </div>
411          <div class="comment_mail">
412            <label class="block" for="discussion__comment_mail">
413              <span><?php echo $lang['email'] ?>:</span>
414              <input type="text" class="edit" name="mail" id="discussion__comment_mail" size="50" tabindex="2" />
415            </label>
416          </div>
417      <?php
418      }
419
420      // allow entering an URL
421      if ($this->getConf('urlfield')){
422      ?>
423          <div class="comment_url">
424            <label class="block" for="discussion__comment_url">
425              <span><?php echo $this->getLang('url') ?>:</span>
426              <input type="text" class="edit" name="url" id="discussion__comment_url" size="50" tabindex="3" />
427            </label>
428          </div>
429      <?php
430      }
431
432      // allow entering an address
433      if ($this->getConf('addressfield')){
434      ?>
435          <div class="comment_address">
436            <label class="block" for="discussion__comment_address">
437              <span><?php echo $this->getLang('address') ?>:</span>
438              <input type="text" class="edit" name="address" id="discussion__comment_address" size="50" tabindex="4" />
439            </label>
440          </div>
441      <?php
442      }
443
444      // allow setting the comment date
445      if ($this->getConf('datefield') && ($INFO['perm'] == AUTH_ADMIN)){
446      ?>
447          <div class="comment_date">
448            <label class="block" for="discussion__comment_date">
449              <span><?php echo $this->getLang('date') ?>:</span>
450              <input type="text" class="edit" name="date" id="discussion__comment_date" size="50" />
451            </label>
452          </div>
453      <?php
454      }
455
456    // for saving a comment
457    } else {
458    ?>
459          <input type="hidden" name="cid" value="<?php echo $cid ?>" />
460    <?php
461    }
462    ?>
463          <div class="comment_text">
464            <textarea class="edit" name="text" cols="80" rows="10" id="discussion__comment_text" tabindex="5"><?php echo $raw ?></textarea>
465          </div>
466          <input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save'] ?>" tabindex="6" />
467        </div>
468      </form>
469    </div>
470    <?php
471    if ($this->getConf('usecocomment')) echo $this->_coComment();
472  }
473
474  /**
475   * Adds a javascript to interact with coComments
476   */
477  function _coComment(){
478    global $ID;
479    global $conf;
480    global $INFO;
481
482    $user = $_SERVER['REMOTE_USER'];
483
484    ?>
485    <script type="text/javascript"><!--//--><![CDATA[//><!--
486      var blogTool  = "DokuWiki";
487      var blogURL   = "<?php echo DOKU_URL ?>";
488      var blogTitle = "<?php echo $conf['title'] ?>";
489      var postURL   = "<?php echo wl($ID, '', true) ?>";
490      var postTitle = "<?php echo tpl_pagetitle($ID, true) ?>";
491    <?php
492    if ($user){
493    ?>
494      var commentAuthor = "<?php echo $INFO['userinfo']['name'] ?>";
495    <?php
496    } else {
497    ?>
498      var commentAuthorFieldName = "name";
499    <?php
500    }
501    ?>
502      var commentAuthorLoggedIn = <?php echo ($user ? 'true' : 'false') ?>;
503      var commentFormID         = "discussion__comment_form";
504      var commentTextFieldName  = "text";
505      var commentButtonName     = "submit";
506      var cocomment_force       = false;
507    //--><!]]></script>
508    <script type="text/javascript" src="http://www.cocomment.com/js/cocomment.js">
509    </script>
510    <?php
511  }
512
513  /**
514   * General button function
515   */
516  function _button($cid, $label, $act){
517    global $ID;
518
519    ?>
520    <form class="button" method="post" action="<?php echo script() ?>">
521      <div class="no">
522        <input type="hidden" name="id" value="<?php echo $ID ?>" />
523        <input type="hidden" name="do" value="show" />
524        <input type="hidden" name="comment" value="<?php echo $act ?>" />
525        <input type="hidden" name="cid" value="<?php echo $cid ?>" />
526        <input type="submit" value="<?php echo $label ?>" class="button" title="<?php echo $label ?>" />
527      </div>
528    </form>
529    <?php
530    return true;
531  }
532
533  /**
534   * Adds an entry to the comments changelog
535   *
536   * @author Esther Brunner <wikidesign@gmail.com>
537   * @author Ben Coburn <btcoburn@silicodon.net>
538   */
539  function _addLogEntry($date, $id, $type = 'cc', $summary = '', $extra = ''){
540    global $conf;
541
542    $changelog = $conf['metadir'].'/_comments.changes';
543
544    if(!$date) $date = time(); //use current time if none supplied
545    $remote = $_SERVER['REMOTE_ADDR'];
546    $user   = $_SERVER['REMOTE_USER'];
547
548    $strip = array("\t", "\n");
549    $logline = array(
550      'date'  => $date,
551      'ip'    => $remote,
552      'type'  => str_replace($strip, '', $type),
553      'id'    => $id,
554      'user'  => $user,
555      'sum'   => str_replace($strip, '', $summary),
556      'extra' => str_replace($strip, '', $extra)
557    );
558
559    // add changelog line
560    $logline = implode("\t", $logline)."\n";
561    io_saveFile($changelog, $logline, true); //global changelog cache
562    $this->_trimRecentCommentsLog($changelog);
563  }
564
565  /**
566   * Trims the recent comments cache to the last $conf['changes_days'] recent
567   * changes or $conf['recent'] items, which ever is larger.
568   * The trimming is only done once a day.
569   *
570   * @author Ben Coburn <btcoburn@silicodon.net>
571   */
572  function _trimRecentCommentsLog($changelog){
573    global $conf;
574
575    if (@file_exists($changelog) &&
576      (filectime($changelog) + 86400) < time() &&
577      !@file_exists($changelog.'_tmp')){
578
579      io_lock($changelog);
580      $lines = file($changelog);
581      if (count($lines)<$conf['recent']) {
582          // nothing to trim
583          io_unlock($changelog);
584          return true;
585      }
586
587      io_saveFile($changelog.'_tmp', '');          // presave tmp as 2nd lock
588      $trim_time = time() - $conf['recent_days']*86400;
589      $out_lines = array();
590
591      for ($i=0; $i<count($lines); $i++) {
592        $log = parseChangelogLine($lines[$i]);
593        if ($log === false) continue;                      // discard junk
594        if ($log['date'] < $trim_time) {
595          $old_lines[$log['date'].".$i"] = $lines[$i];     // keep old lines for now (append .$i to prevent key collisions)
596        } else {
597          $out_lines[$log['date'].".$i"] = $lines[$i];     // definitely keep these lines
598        }
599      }
600
601      // sort the final result, it shouldn't be necessary,
602      // however the extra robustness in making the changelog cache self-correcting is worth it
603      ksort($out_lines);
604      $extra = $conf['recent'] - count($out_lines);        // do we need extra lines do bring us up to minimum
605      if ($extra > 0) {
606        ksort($old_lines);
607        $out_lines = array_merge(array_slice($old_lines,-$extra),$out_lines);
608      }
609
610      // save trimmed changelog
611      io_saveFile($changelog.'_tmp', implode('', $out_lines));
612      @unlink($changelog);
613      if (!rename($changelog.'_tmp', $changelog)) {
614        // rename failed so try another way...
615        io_unlock($changelog);
616        io_saveFile($changelog, implode('', $out_lines));
617        @unlink($changelog.'_tmp');
618      } else {
619        io_unlock($changelog);
620      }
621      return true;
622    }
623  }
624
625  /**
626   * Sends a notify mail on new comment
627   *
628   * @param  array  $comment  data array of the new comment
629   *
630   * @author Andreas Gohr <andi@splitbrain.org>
631   * @author Esther Brunner <wikidesign@gmail.com>
632   */
633  function _notify($comment){
634    global $conf;
635    global $ID;
636
637    if (!$conf['subscribers']) return; //subscribers enabled?
638    $bcc  = subscriber_addresslist($ID);
639    if (empty($bcc)) return;
640    $to   = '';
641    $text = io_readFile($this->localFN('subscribermail'));
642
643    $text = str_replace('@PAGE@', $ID, $text);
644    $text = str_replace('@TITLE@', $conf['title'], $text);
645    $text = str_replace('@DATE@', date($conf['dformat'], $comment['date']), $text);
646    $text = str_replace('@NAME@', $comment['name'], $text);
647    $text = str_replace('@TEXT@', $comment['raw'], $text);
648    $text = str_replace('@UNSUBSCRIBE@', wl($ID, 'do=unsubscribe', true, '&'), $text);
649    $text = str_replace('@DOKUWIKIURL@', DOKU_URL, $text);
650
651    $subject = '['.$conf['title'].'] '.$this->getLang('mail_newcomment');
652
653    mail_send($to, $subject, $text, $conf['mailfrom'], '', $bcc);
654  }
655
656  /**
657   * Counts the number of visible comments
658   */
659  function _count($data){
660    $number = 0;
661    foreach ($data['comments'] as $cid => $comment){
662      if ($comment['parent']) continue;
663      if (!$comment['show']) continue;
664      $number++;
665      $rids = $comment['replies'];
666      if (count($rids)) $number = $number + $this->_countReplies($data, $rids);
667    }
668    return $number;
669  }
670
671  function _countReplies(&$data, $rids){
672    $number = 0;
673    foreach ($rids as $rid){
674      if (!$data['comments'][$rid]['show']) continue;
675      $number++;
676      $rids = $data['comments'][$rid]['replies'];
677      if (count($rids)) $number = $number + $this->_countReplies($data, $rids);
678    }
679    return $number;
680  }
681
682  /**
683   * Renders the comment text
684   */
685  function _render($raw){
686    if ($this->getConf('wikisyntaxok')){
687      $xhtml = $this->render($raw);
688    } else { // wiki syntax not allowed -> just encode special chars
689      $xhtml = htmlspecialchars(trim($raw));
690    }
691    return $xhtml;
692  }
693
694  /**
695   * Checks if 'newthread' was given as action, if so we
696   * do handle the event our self and no further checking takes place
697   */
698  function handle_act_preprocess(&$event, $param){
699    if ($event->data != 'newthread') return; // nothing to do for us
700
701    global $ACT;
702    global $ID;
703
704    // we can handle it -> prevent others
705    $event->stopPropagation();
706    $event->preventDefault();
707
708    $ns    = $_REQUEST['ns'];
709    $title = str_replace(':', '', $_REQUEST['title']);
710    $id    = ($ns ? $ns.':' : '').cleanID($title);
711
712    // check if we are allowed to create this file
713    if (auth_quickaclcheck($id) >= AUTH_CREATE){
714      $back = $ID;
715      $ID   = $id;
716      $file = wikiFN($ID);
717
718      //check if locked by anyone - if not lock for my self
719      if (checklock($ID)){
720        $ACT = 'locked';
721      } else {
722        lock($ID);
723      }
724
725      // prepare the new thread file with default stuff
726      if (!@file_exists($file)){
727        global $TEXT;
728        global $INFO;
729        global $conf;
730
731        $TEXT = pageTemplate(array($ns.':'.$title));
732        if (!$TEXT) $TEXT = "<- [[:$back]]\n\n====== $title ======\n\n".
733                            "{{gravatar>".$INFO['userinfo']['mail']." }} ".
734                            "//".$INFO['userinfo']['name'].", ".
735                            date($conf['dformat']).": //\n\n\n\n".
736                            "~~DISCUSSION~~\n";
737        $ACT = 'preview';
738      } else {
739        $ACT = 'edit';
740      }
741    } else {
742      $ACT = 'show';
743    }
744  }
745
746}
747
748//Setup VIM: ex: et ts=4 enc=utf-8 :
749