post.php

   1 <?php
   2 // $Id$
   3
   4 $prefetch = array('`points`', '`sig`');
   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 = $DB->query('SELECT `board_name`, `topic_level`, `post_level` FROM `boards`
  39                                          WHERE `boardid` = '.$boardid)->fetch_row();
  40
  41 // Nonexistent board id
  42 if ( !is_array($board) )
  43         $page->errorfooter('boardid');
  44
  45 // Access control
  46 if ( $board[2] > $user->level )
  47         $page->errorfooter('level', $board[2]);
  48
  49 // If this is a real board and they're allowed in add the links
  50 $page->nav['Topic List: '.$board[0]] = 'topiclist?'.$boardid;
  51 if ( isset($topicid) )
  52         $page->nav['Message List: '.$topic[0]] = 'messagelist?'.$topicid;
  53
  54 $user->userheader();
  55
  56 // Topic post level
  57 if ( isset($_GET['board']) && $board[1] > $user->level )
  58         $page->errorfooter('level', $board[1]);
  59
  60 // Waste their time even more
  61 if ( ! ($user instanceof authuser) )
  62         $page->errorfooter('login');
  63
  64 /* Form submit code */
  65 if ( isset($_POST['post']) || isset($_POST['preview']) ) {
  66
  67         if ( 'none' === $_POST['html'] )
  68                 $html_type = message::M_HTML_NONE;
  69         elseif ( LVL_ADMIN <= $user->level && 'all' === $_POST['html'] )
  70                 $html_type = message::M_HTML_ALL;
  71         else
  72                 $html_type = message::M_HTML_FILTERED;
  73
  74         if ( isset($_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('Your message is %d characters too short.', MSG_MIN_LENGTH - $m);
  84                 if ( ($m = strlen($message->output)) > MSG_MAX_LENGTH )
  85                         throw new LengthException('Your message is %d characters too long.', $m - MSG_MAX_LENGTH);
  86
  87                 if ( !isset($topic) ) {
  88                         $t = strlen($topic_title);
  89                         if ( $t < TOPIC_MIN_LENGTH )
  90                                 throw new LengthException('Your topic title is %d characters too short.', TOPIC_MIN_LENGTH - $t);
  91                         if ( $t > TOPIC_MAX_LENGTH )
  92                                 throw new LengthException('Your topic title is %d characters too long.', $t - TOPIC_MAX_LENGTH);
  93                         if ( $DB->query('SELECT COUNT(*) AS `c` FROM `topics`
  94                                                          WHERE `topic_title` = \''.$DB->escape_string($topic_title).'\'
  95                                                          AND `boardid` = '.$boardid)->fetch_object()->c )
  96                                 throw new InvalidInputException('A topic with that name already exists.');
  97                 }
  98
  99                 if ( isset($_POST['post']) ) {
 100                         $DB->query('START TRANSACTION');
 101
 102                         if ( !isset($topic) ) {
 103                                 $DB->query('INSERT INTO `topics` (`topic_title`, `boardid`, `userid`)
 104                                                         VALUES (
 105                                                                 \''.$DB->escape_string($topic_title).'\',
 106                                                                 '.$boardid.',
 107                                                                 @userid
 108                                                         )');
 109                                 $topicid = $DB->insert_id;
 110                                 $user->points += 2;
 111                         }
 112                         else
 113                                 $user->points++;
 114
 115                         if ( !isset($messageid) )
 116                                 $messageid = 'NULL';
 117
 118                         $DB->query('INSERT INTO `messages` (`topicid`, `userid`, `mtime`, `replyto`, `origin_ip`)
 119                                                 VALUES (
 120                                                         '.$topicid.',
 121                                                         @userid,
 122                                                         UNIX_TIMESTAMP(),
 123                                                         '.$messageid.',
 124                                                         INET_ATON(\''.$_SERVER['REMOTE_ADDR'].'\')
 125                                                 )');
 126                         $DB->query('UPDATE `topics` SET `lastpost` = LAST_INSERT_ID() WHERE `topicid` = '.$topicid);
 127                         $DB->query('INSERT INTO `message-data` (`messageid`, `mtext`)
 128                                                 VALUES (
 129                                                         LAST_INSERT_ID(),
 130                                                         \''.$DB->escape_string($message->output).'\'
 131                                                 )');
 132                         $DB->commit();
 133
 134                         $r = 'topiclist?'.$boardid;
 135                         if ( isset($topicid) )
 136                                 $r = 'messagelist?'.$topicid;
 137
 138                         $page->footer('<p class="notice">Message Posted. Return to from which you <a href="'.$r.'">came</a>.</p>');
 139
 140                 } elseif ( isset($_POST['preview']) ) {
 141                         echo '<fieldset><legend>Message Preview</legend>',"\n",
 142                                  ( isset($topic_title) ? '<h2>'.$topic_title."</h2>\n" : '' ),
 143                                  '      <div class="info">From: ',$user->alias,' at ',$user->fdate(time()),"</div>\n",
 144                                  '      <div class="content">',$message->output,"</div>\n",
 145                                  '</fieldset>',"\n";
 146                 }
 147         } catch ( InvalidInputException $e ) {
 148                 echo '<p class="error">',$e->getMessage(),"</p>\n";
 149         } catch ( LengthException $e ) {
 150                 echo '<p class="error">',sprintf($e->getMessage(), $e->getCode()),"</p>\n";
 151         } catch ( InvalidMessageException $e ) {
 152                 echo '<p class="error">Your message contains formatting errors (only the first error is shown):</p>',"\n",
 153                          '<p class="error">',$e->getMessage(),' at line ',$e->getXMLLine(),"</p>\n";
 154         }
 155 } // Form submit
 156
 157 $message = '';
 158 if ( !empty($_POST['message_text']) )
 159         $message = htmlspecialchars($_POST['message_text']);
 160 elseif ( $user->sig )
 161         $message = "\n".htmlspecialchars($user->sig);
 162
 163 if ( isset($messageid) )
 164         echo '<form action="post?message=',$messageid,'" method="post">';
 165 elseif ( isset($topic) )
 166         echo '<form action="post?topic=',$topicid,'" method="post">';
 167 else
 168         echo '<form action="post?board=',$boardid,'" method="post">',"\n",
 169                  '      <fieldset class="content"><legend>Topic</legend>',"\n",
 170                  '              <input type="text" name="topic_title" maxlength="',TOPIC_MAX_LENGTH,'" size="80"',
 171                                 ( !empty($topic_title) ? ' value="'.$topic_title.'"' : '' ),"/>\n",
 172                  "      </fieldset>\n";
 173
 174 if ( empty($_POST['html']) )
 175         $_POST['html'] = '';
 176
 177 $html = new form_select('html', 3, $_POST['html']);
 178 if ( $user->level >= LVL_ADMIN )
 179         $html->add_item('all', 'All');
 180 $html->add_item('normal', 'Normal');
 181 $html->add_item('none', 'Plaintext');
 182 ?>
 183         <fieldset class="content"><legend>Message</legend>
 184                 <textarea rows="15" cols="80" name="message_text" id="messagebox"><?php echo $message ?></textarea>
 185                 <button type="submit" name="post" value="post" accesskey="p">Post (P)</button>
 186                 <button type="submit" name="preview" value="preview" accesskey="r">Preview (R)</button>
 187                 <fieldset><legend>Options</legend>
 188                         <label for="html">HTML</label>
 189                         <?php echo $html->display(); ?><br/>
 190                         <label for="nobr">Disable automatic linebreaks</label>
 191                         <input type="checkbox" name="nobr" id="nobr"<?php if ( isset($_POST['nobr']) ) echo ' checked="checked"' ?>/>
 192                 </fieldset>
 193         </fieldset>
 194 </form>
 195
 196 <dl>
 197         <dt>Default HTML allowed (no attributes):</dt>
 198         <dd><?php echo implode(', ', message::$allowed_html); ?></dd>
 199 </dl>
 200
 201 <?php
 202 $page->pagefooter();
 203 ?>