post.php

   1 <?php
   2 // $Id$
   3
   4 $prefetch = array('`points`');
   5 require 'con.php';
   6 $page->title = _('Post Message');
   7
   8 define('MSG_MIN_LENGTH', 3);
   9 define('MSG_MAX_LENGTH', 10000);
  10 define('TOPIC_MIN_LENGTH', 3);
  11 define('TOPIC_MAX_LENGTH', 60);
  12
  13 if ( isset($_GET['message']) ) {
  14         $messageid = intval($_GET['message']);
  15         $q = $DB->query('SELECT `topicid` FROM `messages` WHERE `messageid` = '.$messageid)->fetch_row();
  16
  17         if ( !is_array($q) )
  18                 $page->errorfooter('messageid');
  19
  20         $topicid = $q[0];
  21         $topic = $DB->query('SELECT `topic_title`, `boardid` FROM `topics` WHERE `topicid` = '.$topicid)->fetch_row();
  22
  23         if ( !is_array($topic) )
  24                 $page->errorfooter('topicid');
  25
  26         $boardid = $topic[1];
  27 } elseif ( isset($_GET['topic']) ) {
  28         $topicid = intval($_GET['topic']);
  29         $topic = $DB->query('SELECT `topic_title`, `boardid` FROM `topics` WHERE `topicid` = '.$topicid)->fetch_row();
  30
  31         if ( !is_array($topic) )
  32                 $page->errorfooter('topicid');
  33
  34         $boardid = $topic[1];
  35 } else
  36         $boardid = intval($_GET['board']);
  37
  38 $board = $DB->query('SELECT `board_name`, `topic_level`, `post_level` FROM `boards` WHERE `boardid` = '.$boardid)->fetch_row();
  39
  40 // Nonexistent board id
  41 if ( !is_array($board) ) {
  42         $page->errorfooter('boardid');
  43 }
  44
  45 // Access control
  46 if ( $board[2] > $user->level ) {
  47         $page->errorfooter('level', $board[2]);
  48 }
  49
  50 // If this is a real board and they're allowed in add the links
  51 $page->nav[_('Topic List').': '.$board[0]] = 'topiclist?board='.$boardid;
  52 if ( isset($topicid) )
  53         $page->nav[_('Message List').': '.$topic[0]] = 'messagelist?topic='.$topicid;
  54
  55 $user->userheader();
  56
  57 // Topic post level
  58 if ( isset($_GET['board']) && $board[1] > $user->level )
  59         $page->errorfooter('level', $board[1]);
  60
  61 // Waste their time even more
  62 if ( ! ($user instanceof authuser) )
  63         $page->errorfooter('login');
  64
  65 /* Form submit handler */
  66 if ( isset($_POST['post']) || isset($_POST['preview']) ) {
  67
  68         if ( 'none' === $_POST['html'] )
  69                 $html_type = message::M_HTML_NONE;
  70         elseif ( LVL_ADMIN <= $user->level && 'all' === $_POST['html'] )
  71                 $html_type = message::M_HTML_ALL;
  72         else
  73                 $html_type = message::M_HTML_FILTERED;
  74         if ( isset($_POST['nobr']) )
  75                 $html_type |= message::M_NO_NEWLINES;
  76
  77         try {
  78                 $message = new message($_POST['message_text'], $html_type);
  79                 if ( !isset($topic) )
  80                         $topic_title = trim(htmlspecialchars($_POST['topic_title']));
  81
  82                 if ( ($m = strlen(trim(strip_tags($message->output)))) < MSG_MIN_LENGTH )
  83                         throw new LengthException(ngettext('Your message is %d character too short.',
  84                                         'Your message is %d characters too short.', MSG_MIN_LENGTH - $m), MSG_MIN_LENGTH - $m);
  85                 if ( ($m = strlen($message->output)) > MSG_MAX_LENGTH )
  86                         throw new LengthException(ngettext('Your message is %d character too long.',
  87                                         'Your message is %d characters too long.', $m - MSG_MAX_LENGTH), $m - MSG_MAX_LENGTH);
  88
  89                 if ( !isset($topic) ) {
  90                         $t = strlen($topic_title);
  91                         if ( $t < TOPIC_MIN_LENGTH )
  92                                 throw new LengthException(ngettext('Your topic title is %d character too short.',
  93                                                 'Your topic title is %d characters too short.', TOPIC_MIN_LENGTH - $t), TOPIC_MIN_LENGTH - $t);
  94                         if ( $t > TOPIC_MAX_LENGTH )
  95                                 throw new LengthException(ngettext('Your topic title is %d character too long.',
  96                                                 'Your topic title is %d characters too long.', $t - TOPIC_MAX_LENGTH), $t - TOPIC_MAX_LENGTH);
  97                         if ( $DB->query('SELECT COUNT(*) AS `c` FROM `topics`
  98                                         WHERE `topic_title` = \''.$DB->escape_string($topic_title).'\' AND `boardid` = '.$boardid)->fetch_object()->c )
  99                                 throw new InvalidInputException(_('A topic with that name already exists.'));
 100                 }
 101
 102                 if ( isset($_POST['post']) ) {
 103                         $DB->query('START TRANSACTION');
 104
 105                         if ( !isset($topic) ) {
 106                                 $DB->query('INSERT INTO `topics` (`topic_title`, `boardid`, `userid`) VALUES (
 107                                                 \''.$DB->escape_string($topic_title).'\', '.$boardid.', '.$user->userid.')');
 108                                 $topicid = $DB->insert_id;
 109                                 $user->points += 2;
 110                         }
 111                         else
 112                                 $user->points++;
 113
 114                         if ( !isset($messageid) )
 115                                 $messageid = 'NULL';
 116
 117                         $DB->query('INSERT INTO `messages` (`topicid`, `userid`, `mtime`, `replyto`, `origin_ip`) VALUES
 118                                         ('.$topicid.', '.$user->userid.', UNIX_TIMESTAMP(), '.$messageid.', INET_ATON(\''.$_SERVER['REMOTE_ADDR'].'\'))');
 119                         $DB->query('UPDATE `topics` SET `lastpost` = LAST_INSERT_ID() WHERE `topicid` = '.$topicid);
 120                         $DB->query('INSERT INTO `message-data` (`messageid`, `mtext`) VALUES (LAST_INSERT_ID(), \''.$DB->escape_string($message->output).'\')');
 121                         $DB->commit();
 122
 123                         $r = 'topiclist?board='.$boardid;
 124                         if ( isset($topicid) )
 125                                 $r = 'messagelist?topic='.$topicid;
 126
 127                         $page->footer('<div class="notice">'._(sprintf('Message Posted. Return to from which you <a href="%s">came</a>.', $r)).'</div>');
 128
 129                 } elseif ( isset($_POST['preview']) ) {
 130                         echo
 131                         '<fieldset><legend>',_('Message Preview'),"</legend>\n",
 132                         ( isset($topic_title) ? '<h2>'.$topic_title."</h2>\n" : '' ),
 133                         '<div class="info">',_('From: '),$user->alias,_(' at '),$user->fdate(time()),"</div>\n",
 134                         '<div class="content">',$message->output,"</div>\n",
 135                         '</fieldset>',"\n";
 136                 }
 137         } catch ( InvalidInputException $e ) {
 138                 echo '<div class="error">',$e->getMessage(),"</div>\n";
 139         } catch ( LengthException $e ) {
 140                 echo '<div class="error">',sprintf($e->getMessage(), $e->getCode()),"</div>\n";
 141         } catch ( InvalidMessageException $e ) {
 142                 echo
 143                 '<div class="error">',_('Your message contains formatting errors (only the first error is shown):'),"</div>\n",
 144                 '<div class="error">',$e->getMessage(),_(' at line '),$e->getXMLLine(),"</div>\n";
 145         }
 146 } //Form submit
 147
 148 $message = '';
 149 if ( !empty($_POST['message_text']) )
 150         $message = htmlspecialchars($_POST['message_text']);
 151 elseif ( $user->sig )
 152         $message = "\n".htmlspecialchars($user->sig);
 153
 154 if ( isset($messageid) )
 155         echo '<form action="post?message=',$messageid,'" method="post">';
 156 elseif ( isset($topic) )
 157         echo '<form action="post?topic=',$topicid,'" method="post">';
 158 else
 159         echo
 160         '<form action="post?board=',$boardid,'" method="post">
 161         <fieldset class="content"><legend>',_('Topic'),'</legend>
 162                 <input type="text" name="topic_title" id="topicbox" maxlength="',TOPIC_MAX_LENGTH,'" size="80"',
 163                                 ( !empty($topic_title) ? ' value="'.$topic_title.'"' : '' ),"/>\n",
 164         "</fieldset>\n";
 165
 166 if ( empty($_POST['html']) )
 167         $_POST['html'] = '';
 168
 169 $html = new form_select('html', 3, $_POST['html']);
 170 if ( $user->level >= LVL_ADMIN )
 171         $html->add_item('all', _('All HTML'));
 172 $html->add_item('normal', _('Safe HTML'));
 173 $html->add_item('none', _('Plaintext'));
 174 ?>
 175         <fieldset class="content"><legend><?php echo _('Message'); ?></legend>
 176                 <textarea rows="15" cols="80" name="message_text" id="messagebox"><?php echo $message ?></textarea>
 177                 <button type="submit" name="post" value="post" accesskey="p"><?php echo _('Post'); ?> (P)</button>
 178                 <button type="submit" name="preview" value="preview" accesskey="r"><?php echo _('Preview'); ?> (R)</button>
 179                 <fieldset>
 180                         <legend><?php echo _('Options'); ?></legend>
 181                         <label for="html"><?php echo _('HTML'); ?></label>
 182                         <?php echo $html->display(); ?><br/>
 183                         <label for="nobr"><?php echo _('Disable automatic linebreaks'); ?></label>
 184                         <input type="checkbox" name="nobr" id="nobr"<?php if ( isset($_POST['nobr']) ) echo ' checked="checked"' ?>/>
 185                 </fieldset>
 186         </fieldset>
 187 </form>
 188
 189 <div class="info"><?php
 190 $tags = implode(', ', message::$allowed_html);
 191 echo _('Default HTML tags allowed'),': ',$tags; //Strip off trailing comma
 192 ?></div>
 193
 194 <?php
 195 $page->pagefooter();
 196 ?>