1 <?php

     2 /*

     3 Plugin Name: EnanoPress

     4 Plugin URI: http://enano.homelinux.org/EnanoPress

     5 Description: Adds WordPress-like blogging functionality to the site. The blog can be viewed on the page Special:Blog, and posts can be written with Special:WriteBlogPost.

     6 Author: Dan Fuhry

     7 Version: 1.0

     8 Author URI: http://enano.homelinux.org/

     9 */

    10 

    11 global $db, $session, $paths, $template, $plugins; // Common objects

    12 

    13 $plugins->attachHook('base_classes_initted', '

    14   $paths->add_page(Array(

    15     \'name\'=>\'Site Blog\',

    16     \'urlname\'=>\'Blog\',

    17     \'namespace\'=>\'Special\',

    18     \'special\'=>0,\'visible\'=>1,\'comments_on\'=>0,\'protected\'=>1,\'delvotes\'=>0,\'delvote_ips\'=>\'\',

    19     ));

    20   $paths->add_page(Array(

    21     \'name\'=>\'Write blog post\',

    22     \'urlname\'=>\'WriteBlogPost\',

    23     \'namespace\'=>\'Special\',

    24     \'special\'=>0,\'visible\'=>1,\'comments_on\'=>0,\'protected\'=>1,\'delvotes\'=>0,\'delvote_ips\'=>\'\',

    25     ));

    26   $paths->addAdminNode(\'Plugin configuration\', \'EnanoPress settings\', \'EnanoPress\');

    27   ');

    28 

    29 $plugins->attachHook('compile_template', 'global $template; $template->tpl_bool[\'in_blog\'] = false;');

    30 $plugins->attachHook('paths_init_before', 'global $paths; $paths->create_namespace("Blog", "BlogPost:");');

    31 $plugins->attachHook('page_not_found', 'return EnanoPress_BlogNamespaceHandler();');

    32 $plugins->attachHook('page_type_string_set', 'global $paths, $template; if($paths->namespace == "Blog") $template->namespace_string = "blog post";');

    33 

    34 define('BLOG_POST_PUBLISHED', 1);

    35 define('BLOG_POST_DRAFT', 0);

    36 define('BLOG_POSTS_PER_PAGE', 20);

    37 

    38 function EnanoPress_BlogNamespaceHandler()

    39 {

    40   global $db, $session, $paths, $template, $plugins; // Common objects

    41   $pid = intval($paths->cpage['urlname_nons']);

    42   if($pid == 0) return null;

    43   $q = $db->sql_query('SELECT post_id, post_title, post_content, time, author FROM '.table_prefix.'blog WHERE status='.BLOG_POST_PUBLISHED.' AND post_id='.$pid.';');

    44   if(!$q) $db->_die('');

    45   if($db->numrows() < 1) return null;

    46   $row = $db->fetchrow($q);

    47   $paths->cpage['name'] = $row['post_title'];

    48   $template->header();

    49   echo EnanoPress_FormatBlogPost($row['post_title'], RenderMan::render($row['post_content']), $row['time'], $row['author'], 0, $row['post_id']);

    50   echo EnanoPress_Separator();

    51   $sub = ( isset ($_GET['sub']) ) ? $_GET['sub'] : false;

    52   $act = ( isset ($_GET['action']) ) ? $_GET['action'] : false;

    53   $id = ( isset ($_GET['id']) ) ? intval($_GET['id']) : -1;

    54   $comments = EnanoPress_GetComments($id);

    55   echo $comments;

    56   $template->footer();

    57   return true;

    58 }

    59 

    60 function page_Special_Blog()

    61 {

    62   global $db, $session, $paths, $template, $plugins; // Common objects

    63   if(!getConfig('blog_table_version'))

    64   {

    65     $q = $db->sql_query('CREATE TABLE '.table_prefix.'blog ( post_id mediumint(8) NOT NULL auto_increment, post_title text, post_content text, time int(12), status tinyint(1) NOT NULL DEFAULT 0, author varchar(63) NOT NULL, num_comments mediumint(8) NOT NULL DEFAULT 0, PRIMARY KEY ( post_id ) );');

    66     if(!$q) $db->_die('The blog table could not be created');

    67     setConfig('blog_table_version', '1');

    68   }

    69   if($n = getConfig('blog_name')) $paths->cpage['name'] = $n;

    70   if(!defined('ENANO_TEMPLATE_LOADED')) 

    71     $template->init_vars();

    72   $template->tpl_bool['in_blog'] = true;

    73   $template->header();

    74     if($s = $paths->getParam(0))

    75     {

    76       if($s == 'archive')

    77       {

    78         $y = (int)$paths->getParam(1);

    79         $m = (int)$paths->getParam(2);

    80         $d = (int)$paths->getParam(3);

    81         $t = $paths->getParam(4);

    82         if(!$y || !$m || !$d || !$t)

    83         {

    84           echo '<p>Invalid permalink syntax</p>';

    85           $template->footer();

    86           return false;

    87         }

    88         $t = $db->escape(str_replace(Array('-', '_'), Array('_', '_'), $t)); // It's impossible to reconstruct the title from the URL, so let MySQL do it for us using wildcards

    89         // Determine the valid UNIX timestamp values

    90         $lower_limit = mktime(0, 0, 0, $m, $d, $y);

    91         // EnanoPress will officially stop working on February 29, 2052. To extend the date, add more leap years here.

    92         $leapyears = Array(2000,2004,2008,2012,2016,2020,2024,2028,2032,2040,2044,2048);

    93         // add one to the day

    94         // 30 days hath September, April, June, and November, all the rest have 31, except el enano, February :-P

    95         if    (in_array($m, Array(4, 6, 9, 11)) && $d == 30) $m++;

    96         elseif(in_array($m, Array(1, 3, 5, 7, 8, 10, 12)) && $d == 31) $m++;

    97         elseif($m == 2 && in_array($y, $leapyears)  && $d == 29) $m++;

    98         elseif($m == 2 && !in_array($y, $leapyears) && $d == 28) $m++;

    99         else $d++;

   100         $upper_limit = mktime(0, 0, 0, $m, $d, $y);

   101         $q = $db->sql_query('SELECT b.post_id, b.post_title, b.post_content, b.time, COUNT(c.comment_id) AS num_comments, b.author FROM '.table_prefix.'blog AS b LEFT JOIN '.table_prefix.'comments AS c ON (c.page_id=b.post_id AND c.namespace=\'Blog\' AND c.approved=1) WHERE b.status='.BLOG_POST_PUBLISHED.' AND b.post_title LIKE \''.$t.'\' AND b.time >= '.$lower_limit.' AND b.time <= '.$upper_limit.' GROUP BY b.post_id ORDER BY b.time DESC;');

   102         if(!$q)

   103         {

   104           echo $db->get_error();

   105           $template->footer();

   106           return;

   107         }

   108         if($db->numrows() < 1)

   109         {

   110           // Try it with no date specifiation

   111           $q = $db->sql_query('SELECT b.post_id, b.post_title, b.post_content, b.time, COUNT(c.comment_id) AS num_comments, b.author FROM '.table_prefix.'blog AS b LEFT JOIN '.table_prefix.'comments AS c ON (c.page_id=b.post_id AND c.namespace=\'Blog\' AND c.approved=1) WHERE b.status='.BLOG_POST_PUBLISHED.' AND b.post_title LIKE \''.$t.'\' GROUP BY b.post_id ORDER BY b.time DESC;');

   112           if(!$q)

   113           {

   114             echo $db->get_error();

   115             $template->footer();

   116             return;

   117           }

   118           if($db->numrows() < 1)

   119           {

   120             echo '<p>No posts matching that permalink could be found.</p>';

   121             $template->footer();

   122             return;

   123           }

   124         }

   125         $row = $db->fetchrow();

   126         echo EnanoPress_FormatBlogPost($row['post_title'], RenderMan::render($row['post_content']), $row['time'], $row['author'], (int)$row['num_comments'], (int)$row['post_id']);

   127         echo EnanoPress_Separator();

   128         $sub = ( isset ($_GET['sub']) ) ? $_GET['sub'] : false;

   129         $act = ( isset ($_GET['action']) ) ? $_GET['action'] : false;

   130         $id = ( isset ($_GET['id']) ) ? intval($_GET['id']) : -1;

   131         $comments = EnanoPress_GetComments((int)$row['post_id']);

   132         if(is_array($comments))

   133         {

   134           $comments = EnanoPress_FormatComments($comments);

   135           echo $comments;

   136         }

   137         $template->footer();

   138         return;

   139       }

   140       else

   141       {

   142         $start = intval($s);

   143       }

   144     }

   145     else $start = 0;

   146     $end = $start + BLOG_POSTS_PER_PAGE + 1;

   147     $q = $db->sql_query('SELECT b.post_id, b.post_title, b.post_content, b.time, b.author, COUNT(c.comment_id) AS num_comments FROM '.table_prefix.'blog AS b LEFT JOIN '.table_prefix.'comments AS c ON (c.page_id=b.post_id AND c.namespace=\'Blog\' AND c.approved=1) WHERE b.status='.BLOG_POST_PUBLISHED.' GROUP BY b.post_id ORDER BY b.time DESC LIMIT '.$start.','. $end .';');

   148     if(!$q) { echo $db->get_error('The blog data could not be selected'); $template->footer(); return false; }

   149     $numrows = $db->numrows();

   150     if($numrows == BLOG_POSTS_PER_PAGE+1)

   151     {

   152       $nextpage = true;

   153       $numrows = BLOG_POSTS_PER_PAGE;

   154     }

   155     if($numrows < 1)

   156     {

   157       echo '<p>No posts yet! <a href="'.makeUrlNS('Special', 'WriteBlogPost').'">Write a post...</a></p>';

   158     }

   159     else

   160     {

   161       $i = 0;

   162       while($row = $db->fetchrow())

   163       {

   164         $i++;

   165         if($i == BLOG_POSTS_PER_PAGE+1) break;

   166         echo EnanoPress_FormatBlogPost($row['post_title'], RenderMan::render($row['post_content']), $row['time'], $row['author'], (int)$row['num_comments'], (int)$row['post_id']);

   167         if($i < $numrows) echo EnanoPress_Separator();

   168       }

   169       if($session->user_level >= USER_LEVEL_MOD) echo '<h2>More actions</h2><p><a href="'.makeUrlNS('Special', 'WriteBlogPost').'">Write a post...</a></p>';

   170     }

   171   $template->footer();

   172 }

   173 

   174 function page_Special_WriteBlogPost()

   175 {

   176   global $db, $session, $paths, $template, $plugins; // Common objects

   177   if($session->user_level < USER_LEVEL_MOD) die_friendly('Access denied', '<p>You are not authorized to post blog messages.</p>');

   178   $errors = Array();

   179   $template->header();

   180   $editing = false;

   181   if(isset($_POST['__save'])) $status = BLOG_POST_DRAFT;

   182   if(isset($_POST['__publish'])) $status = BLOG_POST_PUBLISHED;

   183   if(isset($_POST['__save']) || isset($_POST['__publish']))

   184   {

   185     $text = RenderMan::preprocess_text($_POST['content'], false, true);

   186     $title = $db->escape(htmlspecialchars($_POST['title']));

   187     $author = $db->escape($session->username);

   188     $time = time();

   189     if($text == '') $errors[] = 'You must enter a post.';

   190     if($title == '') $errors[] = 'You must enter a title for your post.';

   191     if(sizeof($errors) < 1)

   192     {

   193       if(isset($_POST['edit_id']) && preg_match('#^([0-9]+)$#', $_POST['edit_id']))

   194       {

   195         $q = $db->sql_query('UPDATE '.table_prefix."blog SET post_title='{$title}',post_content='{$text}',time={$time},author='{$author}',status=".$status." WHERE post_id={$_POST['edit_id']};");

   196       }

   197       else

   198       {

   199         $q = $db->sql_query('INSERT INTO '.table_prefix."blog(post_title,post_content,time,author,status) VALUES('{$title}', '{$text}', {$time}, '{$author}', ".$status.");");

   200       }

   201       if(!$q)

   202       {

   203         echo $db->get_error();

   204         $template->footer();

   205         return;

   206       }

   207       $q = $db->sql_query('SELECT post_id FROM '.table_prefix.'blog WHERE time='.$time.' ORDER BY post_id DESC;');

   208       if(!$q) { echo $db->get_error(); $template->footer(); return false; }

   209       if($db->numrows() > 0)

   210       {

   211         $row = $db->fetchrow();

   212         $editing = $row['post_id'];

   213       }

   214       switch($status):

   215         case BLOG_POST_DRAFT:

   216           echo '<div class="info-box">Your post has been saved; however it will not appear on the main blog page until it is published.</div>';

   217           break;

   218         case BLOG_POST_PUBLISHED:

   219           echo '<div class="info-box">Your post has been published to the main blog page.</div>';

   220           break;

   221       endswitch;

   222     }

   223     

   224     $text =& $_POST['content'];

   225     $title =& $_POST['title'];

   226   }

   227   elseif(isset($_POST['__delete']) && isset($_POST['del_confirm']))

   228   {

   229     $pid = intval($_POST['edit_id']);

   230     if($pid > 0)

   231     {

   232       $q = $db->sql_query('DELETE FROM '.table_prefix.'blog WHERE post_id='.$pid.';');

   233       if(!$q)

   234       {

   235         echo $db->get_error();

   236         $template->footer();

   237         return;

   238       }

   239       else

   240         echo '<div class="info-box">Your post has been deleted.</div>';

   241     }

   242     $text  = '';

   243     $title = '';

   244     $editing = false;

   245   }

   246   elseif($t = $paths->getParam(0))

   247   {

   248     $id = intval($t);

   249     if($t == 0) die('SQL injection attempt');

   250     $q = $db->sql_query('SELECT post_title,post_content FROM '.table_prefix.'blog WHERE post_id='.$t.';');

   251     if(!$q) { echo $db->get_error(); $template->footer(); return false; }

   252     if($db->numrows() > 0)

   253     {

   254       $row = $db->fetchrow();

   255       $text =& $row['post_content'];

   256       $title =& $row['post_title'];

   257       $editing = $t;

   258     }

   259     else

   260     {

   261       $text  = '';

   262       $title = '';

   263     }

   264   }

   265   elseif(isset($_POST['__preview']))

   266   {

   267     $text = RenderMan::preprocess_text($_POST['content'], false, false);

   268     $text = RenderMan::render($text);

   269     ob_start();

   270     eval('?>'.$text);

   271     $text = ob_get_contents();

   272     ob_end_clean();

   273     echo '<div class="warning-box"><b>Reminder:</b><br />This is only a preview - your changes to this post will not be saved until you click Save Draft or Save and Publish below.</div>'

   274         . PageUtils::scrollBox(EnanoPress_FormatBlogPost($_POST['title'], $text, time(), $session->username, 0, false));

   275     $text =& $_POST['content'];

   276     $title = $_POST['title'];

   277   }

   278   else

   279   {

   280     $text  = '';

   281     $title = '';

   282   }

   283   if(sizeof($errors) > 0)

   284   {

   285     echo '<div class="error-box"><b>The following errors were encountered:</b><br />' .  implode('<br />', $errors) . '</div>';

   286   }

   287   $q = $db->sql_query('SELECT post_id, post_title FROM '.table_prefix.'blog WHERE status='.BLOG_POST_DRAFT.' ORDER BY post_title ASC;');

   288   if(!$q) { echo $db->get_error('The blog data could not be selected'); $template->footer(); return false; }

   289   $n = $db->numrows();

   290   if($n > 0)

   291   {

   292     echo '<br /><div class="mdg-comment"><b>Your drafts: </b>';

   293     $posts = Array();

   294     while($r = $db->fetchrow())

   295     {

   296       $posts[$r['post_id']] = $r['post_title'];

   297     }

   298     $i=0;

   299     foreach($posts as $id => $t)

   300     {

   301       $i++;

   302       echo '<a href="'.makeUrlNS('Special', 'WriteBlogPost/'.$id).'">'.$t.'</a>';

   303       if($i < $n) echo ' &#0187; ';

   304     }

   305     echo '</div>';

   306   }

   307   $idthing = ( $editing ) ? '<input type="hidden" name="edit_id" value="'.$editing.'" />' : '';

   308   $delbtn  = ( $editing ) ? '  <input onclick="return confirm(\'Are you REALLY sure you want to delete this post?\')" type="submit" name="__delete" value="Delete this post" style="color: red; font-weight: bold;" /> <label><input type="checkbox" name="del_confirm" /> I\'m sure</label>' : '';

   309   $textarea = $template->tinymce_textarea('content', $text);

   310   echo '<form action="'.makeUrl($paths->page).'" method="post">'

   311        . '<p>Post title:<br /><input type="text" name="title" size="60" style="width: 98%;" value="'.htmlspecialchars($title).'" /><br /><br />Post:<br />'

   312        . $textarea

   313        . '<p>The following information will be added to your post:</p><ul><li>Date and time: '.date('F d, Y h:i a').'</li><li>Username: '.$session->username.'</li></ul>'

   314        . '<p><input type="submit" name="__preview" value="Show preview" title="Allows you to preview your blog post before it is saved or posted" />  <input title="Saves the post but prevents it from being shown on the main blog page" type="submit" name="__save" value="Save Draft" />  <input title="Saves the blog post and shows it on the main blog page" type="submit" name="__publish" value="Save and Publish" />'

   315        . $delbtn

   316        . '</p>'

   317        . $idthing

   318        . '</form>';

   319   $template->footer();

   320 }

   321 

   322 /**

   323  * Convert a blog post to HTML

   324  * @param string $title the name of the blog post

   325  * @param string $text the content, needs to be HTML formatted as no renderer is called

   326  * @param int $time UNIX timestamp for the time of the post

   327  * @param string $author [user]name of the person who wrote the post

   328  * @param int $num_comments The number of comments attached to the post

   329  * @param int $post_id The numerical ID of the post

   330  * @return string

   331  */

   332 

   333 function EnanoPress_FormatBlogPost($title, $text, $time, $author, $num_comments = 0, $post_id)

   334 {

   335   global $db, $session, $paths, $template, $plugins; // Common objects

   336   static $cached_template = false;

   337   if(!$cached_template)

   338   {

   339     if(file_exists(ENANO_ROOT.'/themes/'.$session->theme.'/blogpost.tpl'))

   340       $cached_template = file_get_contents(ENANO_ROOT.'/themes/'.$session->theme.'/blogpost.tpl', 'r');

   341     if(!$cached_template)

   342       $cached_template = <<<TPLCODE

   343       <div>

   344         <div style="border-bottom: 1px solid #AAAAAA;">

   345           <p style="float: right; background-color: #F0F0F0; margin: 3px 10px 0 0; padding: 8px 3px; width: 55px; text-align: center;">{D} {j} {M} {Y}</p>

   346           <div style="margin-bottom: 16px;"><h3 style="margin-bottom: 0;"><a href="{PERMALINK}" rel="bookmark" title="Permanent link to this post">{TITLE}</a></h3>Posted by <a href="{AUTHOR_LINK}" {AUTHOR_USERPAGE_CLASS}>{AUTHOR}</a><br /><a href="{COMMENT_LINK}">{COMMENT_LINK_TEXT}</a><!-- BEGIN can_edit -->  |  <a href="{EDIT_LINK}">edit this post</a><!-- END can_edit --></div>

   347         </div>

   348         <div>

   349         {CONTENT}

   350         </div>

   351       </div>

   352 TPLCODE;

   353   }

   354   $parser = $template->makeParserText($cached_template);

   355   $datechars = 'dDjlSwzWFmMntLYyaABGhHisIOTZrU'; // A list of valid metacharacters for date()

   356   $datechars = enano_str_split($datechars);

   357   $datevals = Array();

   358   foreach($datechars as $d)

   359   {

   360     $datevals[$d] = date($d, $time);

   361   }

   362   unset($datechars);

   363   $parser->assign_vars($datevals);

   364   $parser->assign_bool(Array(

   365     'can_edit'=> ( $session->user_level >= USER_LEVEL_MOD ),

   366     ));

   367   $permalink = makeUrlNS('Special', 'Blog/archive/'.date('Y', $time).'/'.date('m', $time).'/'.date('d', $time).'/'.enanopress_sanitize_title($title));

   368   $commentlink = $permalink . '#post-comments';

   369   if($num_comments == 0) $ctext = 'No comments';

   370   elseif($num_comments == 1) $ctext = '1 comment';

   371   else $ctext = $num_comments . ' comments';

   372   $edit_link = ( is_int($post_id) ) ? makeUrlNS('Special', 'WriteBlogPost/'.$post_id) : '#" onclick="return false;';

   373   $parser->assign_vars(Array(

   374       'TITLE' => $title,

   375       'PERMALINK' => $permalink,

   376       'AUTHOR' => $author,

   377       'AUTHOR_LINK' => makeUrlNS('User', $author),

   378       'AUTHOR_USERPAGE_CLASS' => ( isset($paths->pages[$paths->nslist['User'].$author]) ) ? '' : ' class="wikilink-nonexistent" ',

   379       'COMMENT_LINK' => $commentlink,

   380       'COMMENT_LINK_TEXT' => $ctext,

   381       'CONTENT' => $text,

   382       'EDIT_LINK' => $edit_link,

   383     ));

   384   return $parser->run();

   385 }

   386 

   387 /**

   388  * Draws a separator for use between blog posts - searches for the appropriate template file

   389  * @return string

   390  */

   391 

   392 function EnanoPress_Separator()

   393 {

   394   global $db, $session, $paths, $template, $plugins; // Common objects

   395   static $cached_template = false;

   396   if(!$cached_template)

   397   {

   398     if(file_exists(ENANO_ROOT.'/themes/'.$session->theme.'/blogseparator.tpl'))

   399       $cached_template = file_get_contents(ENANO_ROOT.'/themes/'.$session->theme.'/blogseparator.tpl');

   400     if(!$cached_template)

   401       $cached_template = <<<TPLCODE

   402     <div style="border-bottom: 1px dashed #666666; margin: 15px auto; width: 200px;"></div>

   403 TPLCODE;

   404   }

   405   $parser = $template->makeParserText($cached_template);

   406   return $parser->run();

   407 }

   408 

   409 /**

   410  * Make a blog post title acceptable for URLs

   411  * @param string $text the input text

   412  * @return string

   413  */

   414 

   415 function enanopress_sanitize_title($text)

   416 {

   417   $text = strtolower(str_replace(' ', '_', $text));

   418   $badchars = '/*+-,.?!@#$%^&*|{}[];:\'"`~';

   419   $badchars = enano_str_split($badchars);

   420   $dash = Array();

   421   foreach($badchars as $i => $b) $dash[] = "-";

   422   $text = str_replace($badchars, $dash, $text);

   423   return $text;

   424 }

   425 

   426 /**

   427  * Fetch comments for a post

   428  * @param int $post_id The numerical ID of the post to get comments for

   429  * @return array A hierarchial array - numbered keys, each key is a subarray with keys "name", "subject", "text", "time", and "comment_id" with time being a UNIX timestamp

   430  */

   431  

   432 function EnanoPress_GetComments($post_id)

   433 {

   434   global $db, $session, $paths, $template, $plugins; // Common objects

   435   

   436   if(!is_int($post_id)) return false;

   437   

   438   if(isset($_GET['sub']))

   439   {

   440     $e = $db->sql_query('SELECT comment_id,name,subject,comment_data,user_id FROM '.table_prefix.'comments WHERE comment_id='.intval($_REQUEST['id']).';');

   441     if($e)

   442     {

   443       $comment = $db->fetchrow();

   444       $auth_edit = ( ( intval($comment['user_id']) == $session->user_id && $session->user_logged_in ) || $session->user_level >= USER_LEVEL_MOD );

   445       if($auth_edit)

   446       {

   447         switch($_GET['sub'])

   448         {

   449           case 'editcomment':

   450             if(!isset($_GET['id']) || ( isset($_GET['id']) && !preg_match('#^([0-9]+)$#', $_GET['id']) )) { echo '<p>Invalid comment ID</p>'; break; }

   451             $row =& $comment;

   452             echo '<h3>Edit comment</h3><form action="'.makeUrl($paths->fullpage, 'sub=savecomment').'" method="post">';

   453             echo "<br /><div class='mdg-comment' style='padding: 0;'><table border='0' width='100%' cellspacing='1' cellpadding='4'>

   454                     <tr><td class='row1'>Subject:</td><td class='row1'><input type='text' name='subj' value='{$row['subject']}' /></td></tr>

   455                     <tr><td class='row2'>Comment:</td><td class='row2'><textarea rows='10' cols='40' style='width: 98%;' name='text'>{$row['comment_data']}</textarea></td></tr>

   456                     <tr><td class='row1' colspan='2' class='row1' style='text-align: center;'><input type='hidden' name='id' value='{$row['comment_id']}' /><input type='submit' value='Save Changes' /></td></tr>

   457                   </table></div>";

   458             echo '</form>';

   459             return false;

   460             break;

   461           case 'savecomment':

   462             if(empty($_POST['subj']) || empty($_POST['text'])) { echo '<p>Invalid request</p>'; break; }

   463             $r = PageUtils::savecomment_neater((string)$post_id, 'Blog', $_POST['subj'], $_POST['text'], (int)$_POST['id']);

   464             if($r != 'good') { echo "<pre>$r</pre>"; return false; }

   465             break;

   466           case 'deletecomment':

   467             if(isset($_GET['id']))

   468             {

   469               $q = 'DELETE FROM '.table_prefix.'comments WHERE comment_id='.intval($_GET['id']).' LIMIT 1;';

   470               $e=$db->sql_query($q);

   471               if(!$e)

   472               {

   473                 echo 'Error during query: '.mysql_error().'<br /><br />Query:<br />'.$q;

   474                 return false;

   475               }

   476               $e=$db->sql_query('UPDATE '.table_prefix.'blog SET num_comments=num_comments-1 WHERE post_id='.$post_id.';');

   477               if(!$e)

   478               {

   479                 echo 'Error during query: '.mysql_error().'<br /><br />Query:<br />'.$q;

   480                 return false;

   481               }

   482             }

   483             break;

   484           case 'admin':

   485             if(isset($_GET['action']) && $session->user_level >= USER_LEVEL_MOD) // Nip hacking attempts in the bud

   486             {

   487               switch($_GET['action']) {

   488               case "delete":

   489                 if(isset($_GET['id']))

   490                 {

   491                   $q = 'DELETE FROM '.table_prefix.'comments WHERE comment_id='.intval($_GET['id']).' LIMIT 1;';

   492                   $e=$db->sql_query($q);

   493                   if(!$e)

   494                   {

   495                     echo 'Error during query: '.mysql_error().'<br /><br />Query:<br />'.$q;

   496                     return false;

   497                   }

   498                   $e=$db->sql_query('UPDATE '.table_prefix.'blog SET num_comments=num_comments-1 WHERE post_id='.$post_id.';');

   499                   if(!$e)

   500                   {

   501                     echo 'Error during query: '.mysql_error().'<br /><br />Query:<br />'.$q;

   502                     return false;

   503                   }

   504                 }

   505                 break;

   506               case "approve":

   507                 if(isset($_GET['id']))

   508                 {

   509                   $where = 'comment_id='.intval($_GET['id']);

   510                   $q = 'SELECT approved FROM '.table_prefix.'comments WHERE '.$where.' LIMIT 1;';

   511                   $e = $db->sql_query($q);

   512                   if(!$e) die('alert(unesape(\''.rawurlencode('Error selecting approval status: '.mysql_error().'\n\nQuery:\n'.$q).'\'));');

   513                   $r = $db->fetchrow();

   514                   $a = ( $r['approved'] ) ? '0' : '1';

   515                   $q = 'UPDATE '.table_prefix.'comments SET approved='.$a.' WHERE '.$where.';';

   516                   $e=$db->sql_query($q);

   517                   if(!$e)

   518                   {

   519                     echo 'Error during query: '.mysql_error().'<br /><br />Query:<br />'.$q;

   520                     return false;

   521                   }

   522                   if($a == '1')

   523                   {

   524                     $q = 'UPDATE '.table_prefix.'blog SET num_comments=num_comments+1 WHERE post_id='.$post_id.';';

   525                   }

   526                   else

   527                   {

   528                     $q = 'UPDATE '.table_prefix.'blog SET num_comments=num_comments-1 WHERE post_id='.$post_id.';';

   529                   }

   530                   $e=$db->sql_query($q);

   531                   if(!$e)

   532                   {

   533                     echo 'Error during query: '.mysql_error().'<br /><br />Query:<br />'.$q;

   534                     return false;

   535                   }

   536                 }

   537                 break;

   538               }

   539             }

   540             break;

   541         }

   542       }

   543       else

   544       {

   545         echo '<div class="error-box">You are not authorized to perform this action.</div>';

   546       }

   547     }

   548   }

   549   

   550   if(isset($_POST['__doPostBack']))

   551   {

   552     if(getConfig('comments_need_login') == '2' && !$session->user_logged_in) echo('Access denied to post comments: you need to be logged in first.');

   553     else

   554     {

   555       $cb=false;

   556       if(getConfig('comments_need_login') == '1' && !$session->user_logged_in)

   557       {

   558         if(!isset($_POST['captcha_input']) || !isset($_POST['captcha_id']))

   559         {

   560           echo('BUG: PageUtils::addcomment: no CAPTCHA data passed to method');

   561           $cb=true;

   562         }

   563         else

   564         {

   565           $result = $session->get_captcha($_POST['captcha_id']);

   566           if($_POST['captcha_input'] != $result) { $cb=true; echo('The confirmation code you entered was incorrect.'); }

   567         }

   568       }

   569       if(!$cb)

   570       {

   571         $text = RenderMan::preprocess_text($_POST['text']);

   572         $name = $session->user_logged_in ? RenderMan::preprocess_text($session->username) : RenderMan::preprocess_text($_POST['name']);

   573         $subj = RenderMan::preprocess_text($_POST['subj']);

   574         if(getConfig('approve_comments')=='1') $appr = '0'; else $appr = '1';

   575         $q = 'INSERT INTO '.table_prefix.'comments(page_id,namespace,subject,comment_data,name,user_id,approved,time) VALUES(\''.$post_id.'\',\'Blog\',\''.$subj.'\',\''.$text.'\',\''.$name.'\','.$session->user_id.','.$appr.','.time().')';

   576         $e = $db->sql_query($q);

   577         if(!$e) echo 'Error inserting comment data: '.mysql_error().'<br /><br />Query:<br />'.$q;

   578         else

   579         {

   580           echo '<div class="info-box">Your comment has been posted.</div>';

   581           if(getConfig('approve_comments')=='1')

   582           {

   583             $e=$db->sql_query('UPDATE '.table_prefix.'blog SET num_comments=num_comments+1 WHERE post_id='.$post_id.';');

   584             if(!$e)

   585             {

   586               echo 'Error during query: '.mysql_error().'<br /><br />Query:<br />'.$q;

   587               return false;

   588             }

   589           }

   590         }

   591       }

   592     }

   593   }

   594   

   595   $apprv_clause = ( $session->user_level >= USER_LEVEL_MOD ) ? '' : 'AND approved=1';

   596   

   597   $q = $db->sql_query('SELECT c.comment_id,c.subject,c.comment_data,c.name,c.time,c.approved,c.time,u.signature,u.user_level,u.user_id FROM '.table_prefix.'comments AS c

   598                           LEFT JOIN '.table_prefix.'users AS u

   599                             ON u.user_id=c.user_id

   600                           WHERE page_id='.$post_id.'

   601                             AND namespace=\'Blog\'

   602                             '.$apprv_clause.'

   603                           ORDER BY time DESC;');

   604   if(!$q)

   605   {

   606     echo $db->get_error();

   607     return false;

   608   }

   609   $posts = Array();

   610   while($row = $db->fetchrow())

   611   {

   612     $row['text'] =& $row['comment_data'];

   613     $posts[] = $row;

   614   }

   615   return $posts;

   616 }

   617 

   618 /**

   619  * Formats a comments array from EnanoPress_GetComments() as HTML

   620  * @param array $comments The array of fetched comments

   621  * @return string

   622  */

   623 

   624 function EnanoPress_FormatComments($comments)

   625 {

   626   global $db, $session, $paths, $template, $plugins; // Common objects

   627   

   628   ob_start();

   629   $tpl = $template->makeParser('comment.tpl');

   630   

   631   $seed = substr(md5(microtime() . mt_rand()), 0, 12);

   632   

   633   ?>

   634   <script type="text/javascript">

   635     function toggleCommentForm()

   636     {

   637       document.getElementById('commentform_<?php echo $seed; ?>').style.display = 'block';

   638       document.getElementById('commentlink_<?php echo $seed; ?>').style.display = 'none';

   639     }

   640   </script>

   641   <?php

   642   

   643   echo "<h3 id='post-comments'>Post comments</h3>";

   644   if ( count($comments) < 1 )

   645   {

   646     $commentlink = ( getConfig('comments_need_login') == '2' && !$session->user_logged_in ) ? '<a href="'.makeUrl('Special:Login/'.$paths->fullpage).'">Log in to post a comment...</a>' : '<a href="'.makeUrl($paths->fullpage, 'act=postcomment', true).'" id="commentlink_'.$seed.'" onclick="toggleCommentForm(); return false;">Leave a comment...</a>' ;

   647     echo '<p>There are no comments on this post. Yours could be the first! '.$commentlink.'</p>';

   648   }

   649   $i = -1;

   650   

   651   foreach($comments as $comment)

   652   {

   653     $auth_edit = ( ( intval($comment['user_id']) == $session->user_id && $session->user_logged_in ) || $session->user_level >= USER_LEVEL_MOD );

   654     $auth_mod  = ( $session->user_level >= USER_LEVEL_MOD );

   655     

   656     // Comment ID (used in the Javascript apps)

   657     $strings['ID'] = (string)$i;

   658     

   659     // Determine the name, and whether to link to the user page or not

   660     $name = '';

   661     if($comment['user_id'] > 0) $name .= '<a href="'.makeUrlNS('User', str_replace(' ', '_', $comment['name'])).'">';

   662     $name .= $comment['name'];

   663     if($comment['user_id'] > 0) $name .= '</a>';

   664     $strings['NAME'] = $name; unset($name);

   665     

   666     // Subject

   667     $s = $comment['subject'];

   668     if(!$comment['approved']) $s .= ' <span style="color: #D84308">(Unapproved)</span>';

   669     $strings['SUBJECT'] = $s;

   670     

   671     // Date and time

   672     $strings['DATETIME'] = date('F d, Y h:i a', $comment['time']);

   673     

   674     // User level

   675     switch($comment['user_level'])

   676     {

   677       default:

   678       case USER_LEVEL_GUEST:

   679         $l = 'Guest';

   680         break;

   681       case USER_LEVEL_MEMBER:

   682         $l = 'Member';

   683         break;

   684       case USER_LEVEL_MOD:

   685         $l = 'Moderator';

   686         break;

   687       case USER_LEVEL_ADMIN:

   688         $l = 'Administrator';

   689         break;

   690     }

   691     $strings['USER_LEVEL'] = $l; unset($l);

   692     

   693     // The actual comment data

   694     $strings['DATA'] = RenderMan::render($comment['text']);

   695     

   696     // Edit link

   697     $strings['EDIT_LINK'] = '<a href="'.makeUrl($paths->fullpage, 'sub=editcomment&amp;id='.$comment['comment_id']).'" id="editbtn_'.$i.'">edit</a>';

   698     

   699     // Delete link

   700     $strings['DELETE_LINK'] = '<a href="'.makeUrl($paths->fullpage, 'sub=deletecomment&amp;id='.$comment['comment_id']).'">delete</a>';

   701     

   702     // Send PM link

   703     $strings['SEND_PM_LINK'] = ( $session->user_logged_in && $comment['user_id'] > 0 ) ? '<a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/To/'.$comment['name']).'">Send private message</a>' : '';

   704     

   705     // Add Buddy link

   706     $strings['ADD_BUDDY_LINK'] = ( $session->user_logged_in && $comment['user_id'] > 0 ) ? '<a href="'.makeUrlNS('Special', 'PrivateMessages/FriendList/Add/'.$comment['name']).'">Add Buddy</a>' : '';

   707     

   708     // Mod links

   709     $applink = '';

   710     $applink .= '<a href="'.makeUrl($paths->fullpage, 'sub=admin&amp;action=approve&amp;id='.$comment['comment_id']).'" id="mdgApproveLink'.$i.'">';

   711     if($comment['approved']) $applink .= 'Unapprove';

   712     else $applink .= 'Approve';

   713     $applink .= '</a>';

   714     $strings['MOD_APPROVE_LINK'] = $applink;

   715     unset($applink);

   716     $strings['MOD_DELETE_LINK'] = '<a href="'.makeUrl($paths->fullpage, 'sub=admin&amp;action=delete&amp;id='.$comment['comment_id']).'">Delete</a>';

   717     

   718     // Signature

   719     $strings['SIGNATURE'] = '';

   720     if($comment['signature'] != '') $strings['SIGNATURE'] = RenderMan::render($comment['signature']);

   721     

   722     $bool['auth_mod']  = $auth_mod;

   723     $bool['can_edit']  = $auth_edit;

   724     $bool['signature'] = ( $strings['SIGNATURE'] == '' ) ? false : true;

   725     

   726     $tpl->assign_vars($strings);

   727     $tpl->assign_bool($bool);

   728     echo $tpl->run();

   729   }

   730 

   731   $sn = $session->user_logged_in ? $session->username . '<input name="name" id="mdgScreenName" type="hidden" value="'.$session->username.'" />' : '<input name="name" id="mdgScreenName" type="text" size="35" />';

   732   if(getConfig('comments_need_login') == '1')

   733   {

   734     $session->kill_captcha();

   735     $captcha = $session->make_captcha();

   736   }

   737   $captcha = ( getConfig('comments_need_login') == '1' && !$session->user_logged_in ) ? '<tr><td>Visual confirmation:<br /><small>Please enter the code you see on the right.</small></td><td><img src="'.makeUrlNS('Special', 'Captcha/'.$captcha).'" alt="Visual confirmation" style="cursor: pointer;" onclick="this.src = \''.makeUrlNS("Special", "Captcha/".$captcha).'/\'+Math.floor(Math.random() * 100000);" /><input name="captcha_id" id="mdgCaptchaID" type="hidden" value="'.$captcha.'" /><br />Code: <input name="captcha_input" id="mdgCaptchaInput" type="text" size="10" /><br /><small><script type="text/javascript">document.write("If you can\'t read the code, click on the image to generate a new one.");</script><noscript>If you can\'t read the code, please refresh this page to generate a new one.</noscript></small></td></tr>' : '';

   738   

   739   echo '<div id="commentform_'.$seed.'">

   740           '.EnanoPress_Separator().'

   741           <form action="'.makeUrl($paths->fullpage, 'act=postcomment', true).'" method="post">

   742             <table border="0">

   743               <tr><td>Your name or screen name:</td><td>'.$sn.'</td></tr>

   744               <tr><td>Comment subject:</td><td><input name="subj" id="mdgSubject" type="text" size="35" /></td></tr>

   745               '.$captcha.'

   746               <tr><td valign="top">Comment text:<br />(most HTML will be stripped)</td><td><textarea name="text" id="mdgCommentArea" rows="10" cols="40"></textarea></td></tr>

   747               <tr><td colspan="2" style="text-align: center;"><input type="submit" name="__doPostBack" value="Submit Comment" /></td></tr>

   748             </table>

   749           </form>

   750         </div>

   751         <script type="text/javascript">

   752           document.getElementById(\'commentform_'.$seed.'\').style.display = \'none\';

   753         </script>

   754 ';

   755   

   756   $ret = ob_get_contents();

   757   ob_end_clean();

   758   return $ret;

   759 }

   760 

   761 function page_Admin_EnanoPress()

   762 {

   763   global $db, $session, $paths, $template, $plugins; if($session->auth_level < USER_LEVEL_ADMIN || $session->user_level < USER_LEVEL_ADMIN) { header('Location: '.makeUrl($paths->nslist['Special'].'Administration'.urlSeparator.'noheaders')); die('Hacking attempt'); }

   764   echo '<p>Coming soon!</p>';

   765 }

   766 

   767 ?>