xref: /plugin/discussion/action.php (revision 4eebd364d0e8f29472ad5b047021e2e2204a8c98) 
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'   => '2006-11-13',
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        $this->_button($cid, $this->getLang('btn_reply'), 'reply', true);
346
347      // show edit and delete button?
348      if ((($comment['user'] == $_SERVER['REMOTE_USER']) && ($comment['user'] != ''))
349        || ($INFO['perm'] == AUTH_ADMIN))
350        $this->_button($cid, $lang['btn_secedit'], 'edit', true);
351      if ($INFO['perm'] == AUTH_ADMIN)
352        $this->_button($cid, $lang['btn_delete'], 'delete');
353      echo '</div>'.NL; // class="comment_buttons"
354    }
355
356    // replies to this comment entry?
357    if (count($comment['replies'])){
358      echo '<div class="comment_replies"'.$style.'>'.NL;
359      $visible = ($comment['show'] && $visible);
360      foreach ($comment['replies'] as $rid){
361        $this->_print($rid, $data, $cid, $reply, $visible);
362      }
363      echo '</div>'.NL; // class="comment_replies"
364    }
365
366    if (!$comment['show']) echo '</div>'.NL; // class="comment_hidden"
367
368    // reply form
369    if ($reply == $cid){
370      echo '<div class="comment_replies">'.NL;
371      $this->_form('', 'add', $cid);
372      echo '</div>'.NL; // class="comment_replies"
373    }
374  }
375
376  /**
377   * Outputs the comment form
378   */
379  function _form($raw = '', $act = 'add', $cid = NULL){
380    global $lang;
381    global $conf;
382    global $ID;
383    global $INFO;
384
385    // not for unregistered users when guest comments aren't allowed
386    if (!$_SERVER['REMOTE_USER'] && !$this->getConf('allowguests')) return false;
387
388    ?>
389    <div class="comment_form">
390      <form id="discussion__comment_form" method="post" action="<?php echo script() ?>" accept-charset="<?php echo $lang['encoding'] ?>" onsubmit="return validate(this);">
391        <div class="no">
392          <input type="hidden" name="id" value="<?php echo $ID ?>" />
393          <input type="hidden" name="do" value="show" />
394          <input type="hidden" name="comment" value="<?php echo $act ?>" />
395    <?php
396
397    // for adding a comment
398    if ($act == 'add'){
399      ?>
400          <input type="hidden" name="reply" value="<?php echo $cid ?>" />
401      <?php
402      // for registered user
403      if ($conf['useacl'] && $_SERVER['REMOTE_USER']){
404      ?>
405          <input type="hidden" name="user" value="<?php echo $_SERVER['REMOTE_USER'] ?>" />
406          <input type="hidden" name="name" value="<?php echo $INFO['userinfo']['name'] ?>" />
407          <input type="hidden" name="mail" value="<?php echo $INFO['userinfo']['mail'] ?>" />
408      <?php
409      // for guest: show name and e-mail entry fields
410      } else {
411      ?>
412          <input type="hidden" name="user" value="<?php echo clientIP() ?>" />
413          <div class="comment_name">
414            <label class="block" for="discussion__comment_name">
415              <span><?php echo $lang['fullname'] ?>:</span>
416              <input type="text" class="edit" name="name" id="discussion__comment_name" size="50" tabindex="1" />
417            </label>
418          </div>
419          <div class="comment_mail">
420            <label class="block" for="discussion__comment_mail">
421              <span><?php echo $lang['email'] ?>:</span>
422              <input type="text" class="edit" name="mail" id="discussion__comment_mail" size="50" tabindex="2" />
423            </label>
424          </div>
425      <?php
426      }
427
428      // allow entering an URL
429      if ($this->getConf('urlfield')){
430      ?>
431          <div class="comment_url">
432            <label class="block" for="discussion__comment_url">
433              <span><?php echo $this->getLang('url') ?>:</span>
434              <input type="text" class="edit" name="url" id="discussion__comment_url" size="50" tabindex="3" />
435            </label>
436          </div>
437      <?php
438      }
439
440      // allow entering an address
441      if ($this->getConf('addressfield')){
442      ?>
443          <div class="comment_address">
444            <label class="block" for="discussion__comment_address">
445              <span><?php echo $this->getLang('address') ?>:</span>
446              <input type="text" class="edit" name="address" id="discussion__comment_address" size="50" tabindex="4" />
447            </label>
448          </div>
449      <?php
450      }
451
452      // allow setting the comment date
453      if ($this->getConf('datefield') && ($INFO['perm'] == AUTH_ADMIN)){
454      ?>
455          <div class="comment_date">
456            <label class="block" for="discussion__comment_date">
457              <span><?php echo $this->getLang('date') ?>:</span>
458              <input type="text" class="edit" name="date" id="discussion__comment_date" size="50" />
459            </label>
460          </div>
461      <?php
462      }
463
464    // for saving a comment
465    } else {
466    ?>
467          <input type="hidden" name="cid" value="<?php echo $cid ?>" />
468    <?php
469    }
470    ?>
471          <div class="comment_text">
472            <textarea class="edit" name="text" cols="80" rows="10" id="discussion__comment_text" tabindex="5"><?php echo $raw ?></textarea>
473          </div>
474          <input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save'] ?>" tabindex="6" />
475        </div>
476      </form>
477    </div>
478    <?php
479    if ($this->getConf('usecocomment')) echo $this->_coComment();
480  }
481
482  /**
483   * Adds a javascript to interact with coComments
484   */
485  function _coComment(){
486    global $ID;
487    global $conf;
488    global $INFO;
489
490    $user = $_SERVER['REMOTE_USER'];
491
492    ?>
493    <script type="text/javascript"><!--//--><![CDATA[//><!--
494      var blogTool  = "DokuWiki";
495      var blogURL   = "<?php echo DOKU_URL ?>";
496      var blogTitle = "<?php echo $conf['title'] ?>";
497      var postURL   = "<?php echo wl($ID, '', true) ?>";
498      var postTitle = "<?php echo tpl_pagetitle($ID, true) ?>";
499    <?php
500    if ($user){
501    ?>
502      var commentAuthor = "<?php echo $INFO['userinfo']['name'] ?>";
503    <?php
504    } else {
505    ?>
506      var commentAuthorFieldName = "name";
507    <?php
508    }
509    ?>
510      var commentAuthorLoggedIn = <?php echo ($user ? 'true' : 'false') ?>;
511      var commentFormID         = "discussion__comment_form";
512      var commentTextFieldName  = "text";
513      var commentButtonName     = "submit";
514      var cocomment_force       = false;
515    //--><!]]></script>
516    <script type="text/javascript" src="http://www.cocomment.com/js/cocomment.js">
517    </script>
518    <?php
519  }
520
521  /**
522   * General button function
523   */
524  function _button($cid, $label, $act, $jump = false){
525    global $ID;
526    $anchor = ($jump ? '#discussion__comment_form' : '' );
527
528    ?>
529    <form class="button" method="post" action="<?php echo script().$anchor ?>">
530      <div class="no">
531        <input type="hidden" name="id" value="<?php echo $ID ?>" />
532        <input type="hidden" name="do" value="show" />
533        <input type="hidden" name="comment" value="<?php echo $act ?>" />
534        <input type="hidden" name="cid" value="<?php echo $cid ?>" />
535        <input type="submit" value="<?php echo $label ?>" class="button" title="<?php echo $label ?>" />
536      </div>
537    </form>
538    <?php
539    return true;
540  }
541
542  /**
543   * Adds an entry to the comments changelog
544   *
545   * @author Esther Brunner <wikidesign@gmail.com>
546   * @author Ben Coburn <btcoburn@silicodon.net>
547   */
548  function _addLogEntry($date, $id, $type = 'cc', $summary = '', $extra = ''){
549    global $conf;
550
551    $changelog = $conf['metadir'].'/_comments.changes';
552
553    if(!$date) $date = time(); //use current time if none supplied
554    $remote = $_SERVER['REMOTE_ADDR'];
555    $user   = $_SERVER['REMOTE_USER'];
556
557    $strip = array("\t", "\n");
558    $logline = array(
559      'date'  => $date,
560      'ip'    => $remote,
561      'type'  => str_replace($strip, '', $type),
562      'id'    => $id,
563      'user'  => $user,
564      'sum'   => str_replace($strip, '', $summary),
565      'extra' => str_replace($strip, '', $extra)
566    );
567
568    // add changelog line
569    $logline = implode("\t", $logline)."\n";
570    io_saveFile($changelog, $logline, true); //global changelog cache
571    $this->_trimRecentCommentsLog($changelog);
572  }
573
574  /**
575   * Trims the recent comments cache to the last $conf['changes_days'] recent
576   * changes or $conf['recent'] items, which ever is larger.
577   * The trimming is only done once a day.
578   *
579   * @author Ben Coburn <btcoburn@silicodon.net>
580   */
581  function _trimRecentCommentsLog($changelog){
582    global $conf;
583
584    if (@file_exists($changelog) &&
585      (filectime($changelog) + 86400) < time() &&
586      !@file_exists($changelog.'_tmp')){
587
588      io_lock($changelog);
589      $lines = file($changelog);
590      if (count($lines)<$conf['recent']) {
591          // nothing to trim
592          io_unlock($changelog);
593          return true;
594      }
595
596      io_saveFile($changelog.'_tmp', '');                  // presave tmp as 2nd lock
597      $trim_time = time() - $conf['recent_days']*86400;
598      $out_lines = array();
599
600      for ($i=0; $i<count($lines); $i++) {
601        $log = parseChangelogLine($lines[$i]);
602        if ($log === false) continue;                      // discard junk
603        if ($log['date'] < $trim_time) {
604          $old_lines[$log['date'].".$i"] = $lines[$i];     // keep old lines for now (append .$i to prevent key collisions)
605        } else {
606          $out_lines[$log['date'].".$i"] = $lines[$i];     // definitely keep these lines
607        }
608      }
609
610      // sort the final result, it shouldn't be necessary,
611      // however the extra robustness in making the changelog cache self-correcting is worth it
612      ksort($out_lines);
613      $extra = $conf['recent'] - count($out_lines);        // do we need extra lines do bring us up to minimum
614      if ($extra > 0) {
615        ksort($old_lines);
616        $out_lines = array_merge(array_slice($old_lines,-$extra),$out_lines);
617      }
618
619      // save trimmed changelog
620      io_saveFile($changelog.'_tmp', implode('', $out_lines));
621      @unlink($changelog);
622      if (!rename($changelog.'_tmp', $changelog)) {
623        // rename failed so try another way...
624        io_unlock($changelog);
625        io_saveFile($changelog, implode('', $out_lines));
626        @unlink($changelog.'_tmp');
627      } else {
628        io_unlock($changelog);
629      }
630      return true;
631    }
632  }
633
634  /**
635   * Sends a notify mail on new comment
636   *
637   * @param  array  $comment  data array of the new comment
638   *
639   * @author Andreas Gohr <andi@splitbrain.org>
640   * @author Esther Brunner <wikidesign@gmail.com>
641   */
642  function _notify($comment){
643    global $conf;
644    global $ID;
645
646    if (!$conf['subscribers']) return; //subscribers enabled?
647    $bcc  = subscriber_addresslist($ID);
648    if (empty($bcc)) return;
649    $to   = '';
650    $text = io_readFile($this->localFN('subscribermail'));
651
652    $text = str_replace('@PAGE@', $ID, $text);
653    $text = str_replace('@TITLE@', $conf['title'], $text);
654    $text = str_replace('@DATE@', date($conf['dformat'], $comment['date']), $text);
655    $text = str_replace('@NAME@', $comment['name'], $text);
656    $text = str_replace('@TEXT@', $comment['raw'], $text);
657    $text = str_replace('@UNSUBSCRIBE@', wl($ID, 'do=unsubscribe', true, '&'), $text);
658    $text = str_replace('@DOKUWIKIURL@', DOKU_URL, $text);
659
660    $subject = '['.$conf['title'].'] '.$this->getLang('mail_newcomment');
661
662    mail_send($to, $subject, $text, $conf['mailfrom'], '', $bcc);
663  }
664
665  /**
666   * Counts the number of visible comments
667   */
668  function _count($data){
669    $number = 0;
670    foreach ($data['comments'] as $cid => $comment){
671      if ($comment['parent']) continue;
672      if (!$comment['show']) continue;
673      $number++;
674      $rids = $comment['replies'];
675      if (count($rids)) $number = $number + $this->_countReplies($data, $rids);
676    }
677    return $number;
678  }
679
680  function _countReplies(&$data, $rids){
681    $number = 0;
682    foreach ($rids as $rid){
683      if (!$data['comments'][$rid]['show']) continue;
684      $number++;
685      $rids = $data['comments'][$rid]['replies'];
686      if (count($rids)) $number = $number + $this->_countReplies($data, $rids);
687    }
688    return $number;
689  }
690
691  /**
692   * Renders the comment text
693   */
694  function _render($raw){
695    if ($this->getConf('wikisyntaxok')){
696      $xhtml = $this->render($raw);
697    } else { // wiki syntax not allowed -> just encode special chars
698      $xhtml = htmlspecialchars(trim($raw));
699    }
700    return $xhtml;
701  }
702
703  /**
704   * Checks if 'newthread' was given as action, if so we
705   * do handle the event our self and no further checking takes place
706   */
707  function handle_act_preprocess(&$event, $param){
708    if ($event->data != 'newthread') return; // nothing to do for us
709
710    global $ACT;
711    global $ID;
712
713    // we can handle it -> prevent others
714    $event->stopPropagation();
715    $event->preventDefault();
716
717    $ns    = $_REQUEST['ns'];
718    $title = str_replace(':', '', $_REQUEST['title']);
719    $id    = ($ns ? $ns.':' : '').cleanID($title);
720
721    // check if we are allowed to create this file
722    if (auth_quickaclcheck($id) >= AUTH_CREATE){
723      $back = $ID;
724      $ID   = $id;
725      $file = wikiFN($ID);
726
727      //check if locked by anyone - if not lock for my self
728      if (checklock($ID)){
729        $ACT = 'locked';
730      } else {
731        lock($ID);
732      }
733
734      // prepare the new thread file with default stuff
735      if (!@file_exists($file)){
736        global $TEXT;
737        global $INFO;
738        global $conf;
739
740        $TEXT = pageTemplate(array($ns.':'.$title));
741        if (!$TEXT) $TEXT = "<- [[:$back]]\n\n====== $title ======\n\n".
742                            "{{gravatar>".$INFO['userinfo']['mail']." }} ".
743                            "//".$INFO['userinfo']['name'].", ".
744                            date($conf['dformat']).": //\n\n\n\n".
745                            "~~DISCUSSION~~\n";
746        $ACT = 'preview';
747      } else {
748        $ACT = 'edit';
749      }
750    } else {
751      $ACT = 'show';
752    }
753  }
754
755}
756
757//Setup VIM: ex: et ts=4 enc=utf-8 :
758