includes/comment.php
author Dan
Sat, 26 Sep 2009 15:14:15 -0400
changeset 1122 e1606c85e937
parent 1085 3343a05e7e5b
child 1163 1b90f6c41d9c
permissions -rw-r--r--
A bit of refinement and consistency to "Powered by Enano" link and associated documentation
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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 * Copyright (C) 2006-2009 Dan Fuhry
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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/**
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 * Class that handles comments. Has HTML/Javascript frontend support.
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 * @package Enano CMS
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 * @subpackage Comment manager
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 * @license GNU General Public License <http://www.gnu.org/licenses/gpl-2.0.html>
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 */
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class Comments
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{
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  #
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  # VARIABLES
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  #
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  /**
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   * Current list of comments.
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   * @var array
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   */
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  var $comments = Array();
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  /**
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   * Object to track permissions.
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   * @var object
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   */
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  var $perms;
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  #
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  # METHODS
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  #
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  /**
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   * Constructor.
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   * @param string Page ID of the page to load comments for
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   * @param string Namespace of the page to load comments for
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   */
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  function __construct($page_id, $namespace)
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  {
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    global $db, $session, $paths, $template, $plugins; // Common objects
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    // Initialize permissions
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    if ( $page_id == $paths->page_id && $namespace == $paths->namespace )
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      $this->perms =& $GLOBALS['session'];
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    else
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      $this->perms = $session->fetch_page_acl($page_id, $namespace);
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    $this->page_id = $db->escape($page_id);
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    $this->namespace = $db->escape($namespace);
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  }
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  /**
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   * Processes a command in JSON format.
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   * @param mixed Either the JSON-encoded input string, probably something sent from the Javascript/AJAX frontend, or an equivalent array
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   */
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  function process_json($json)
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  {
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    global $db, $session, $paths, $template, $plugins; // Common objects
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    global $lang;
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    $is_json = !is_array($json);
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    if ( $is_json )
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    {
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      $data = enano_json_decode($json);
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      $data = decode_unicode_array($data);
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    }
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    else
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    {
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      $data =& $json;
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    }
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    if ( !isset($data['mode']) )
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    {
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      $ret = Array('mode'=>'error','error'=>'No mode defined!');
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      echo enano_json_encode($ret);
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      return $ret;
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    }
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    if ( getConfig('enable_comments', '1') == '0' )
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    {
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      $ret = Array('mode'=>'error','error'=>'Comments are not enabled on this site.');
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      echo enano_json_encode($ret);
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      return $ret;
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    }
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    $ret = Array();
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    $ret['mode'] = $data['mode'];
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    switch ( $data['mode'] )
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    {
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      case 'fetch':
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        if ( !$template->theme_loaded )
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          $template->load_theme();
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        if ( !isset($data['have_template']) )
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        {
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          $ret['template'] = file_get_contents(ENANO_ROOT . '/themes/' . $template->theme . '/comment.tpl');
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        }
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        $q = $db->sql_query('SELECT c.comment_id,c.name,c.subject,c.comment_data,c.time,c.approved,( c.ip_address IS NOT NULL ) AS have_ip,u.user_level,u.user_id,u.email,u.signature,u.user_has_avatar,u.avatar_type, b.buddy_id IS NOT NULL AS is_buddy, ( b.is_friend IS NOT NULL AND b.is_friend=1 ) AS is_friend FROM '.table_prefix.'comments AS c
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                               LEFT JOIN '.table_prefix.'users AS u
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                                 ON (u.user_id=c.user_id)
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                               LEFT JOIN '.table_prefix.'buddies AS b
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                                 ON ( ( b.user_id=' . $session->user_id.' AND b.buddy_user_id=c.user_id ) OR b.user_id IS NULL)
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                               LEFT JOIN '.table_prefix.'ranks AS r
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                                 ON ( ( u.user_rank = r.rank_id ) )
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                               WHERE page_id=\'' . $this->page_id . '\'
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                                 AND namespace=\'' . $this->namespace . '\'
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                               GROUP BY c.comment_id,c.name,c.subject,c.comment_data,c.time,c.approved,c.ip_address,u.user_level,u.user_id,u.email,u.signature,u.user_has_avatar,u.avatar_type,b.buddy_id,b.is_friend
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                               ORDER BY c.time ASC;');
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        $count_appr = 0;
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        $count_total = 0;
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        $count_unappr = 0;
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        $ret['comments'] = Array();
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        if (!$q)
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          $db->die_json();
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        if ( $row = $db->fetchrow($q) )
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        {
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          do {
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            // Increment counters
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            $count_total++;
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            ( $row['approved'] == 1 ) ? $count_appr++ : $count_unappr++;
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            if ( !$this->perms->get_permissions('mod_comments') && $row['approved'] != COMMENT_APPROVED )
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              continue;
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541
acb7e23b6ffa Massive commit with various changes. Added user ranks system (no admin interface yet) and ability for users to have custom user titles. Made cron framework accept fractions of hours through floating-point intervals. Modifed ACL editor to use miniPrompt framework for close confirmation box. Made avatar system use a special page as opposed to fetching the files directly for caching reasons.
Dan
parents: 536
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            // Localize the rank
acb7e23b6ffa Massive commit with various changes. Added user ranks system (no admin interface yet) and ability for users to have custom user titles. Made cron framework accept fractions of hours through floating-point intervals. Modifed ACL editor to use miniPrompt framework for close confirmation box. Made avatar system use a special page as opposed to fetching the files directly for caching reasons.
Dan
parents: 536
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            $row = array_merge($row, $session->get_user_rank(intval($row['user_id'])));
acb7e23b6ffa Massive commit with various changes. Added user ranks system (no admin interface yet) and ability for users to have custom user titles. Made cron framework accept fractions of hours through floating-point intervals. Modifed ACL editor to use miniPrompt framework for close confirmation box. Made avatar system use a special page as opposed to fetching the files directly for caching reasons.
Dan
parents: 536
diff changeset
   139
            
1
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            // Send the source
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            $row['comment_source'] = $row['comment_data'];
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            // Format text
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            $row['comment_data'] = RenderMan::render($row['comment_data']);
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   145
            
108
1c7f59df9474 Implemented some extra functionality for friends/foes in comments; fixed lack of table_prefix in stats.php line 63
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parents: 86
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            if ( $row['is_buddy'] == 1 && $row['is_friend'] == 0 )
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parents: 86
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            {
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parents: 86
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              $seed = md5(sha1(mt_rand() . microtime()));
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parents: 86
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              $wrapper = '
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parents: 86
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                <div id="posthide_'.$seed.'" style="display: none;">
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parents: 86
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                  ' . $row['comment_data'] . '
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parents: 86
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                </div>
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
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                <p><span style="opacity: 0.4; filter: alpha(opacity=40);">' . $lang->get('comment_msg_foe_comment_hidden') . '</span> <span style="text-align: right;"><a href="#showpost" onclick="document.getElementById(\'posthide_'.$seed.'\').style.display=\'block\'; this.parentNode.parentNode.parentNode.removeChild(this.parentNode.parentNode); return false;">' . $lang->get('comment_btn_display_foe_comment') . '</a></span></p>
108
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parents: 86
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              ';
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              $row['comment_data'] = $wrapper;
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parents: 86
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            }
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parents: 86
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1
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            // Format date
1081
745200a9cc2a Fixed some upgrade bugs; added support for choosing one's own date/time formats; rebrand as 1.1.7
Dan
parents: 1016
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            $row['time'] = enano_date(ED_DATE | ED_TIME, $row['time']);
1
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            // Format signature
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            $row['signature'] = ( !empty($row['signature']) ) ? RenderMan::render($row['signature']) : '';
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   163
            
359
e0787bb6285b Implemented IP logging for comments and registration
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parents: 345
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            // Do we have the IP?
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            $row['have_ip'] = ( $row['have_ip'] == 1 );
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parents: 345
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541
acb7e23b6ffa Massive commit with various changes. Added user ranks system (no admin interface yet) and ability for users to have custom user titles. Made cron framework accept fractions of hours through floating-point intervals. Modifed ACL editor to use miniPrompt framework for close confirmation box. Made avatar system use a special page as opposed to fetching the files directly for caching reasons.
Dan
parents: 536
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            // Avatar URL
621
68f8a9cc0a18 Added Gravatar support! And it's really configurable too.
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parents: 541
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            $row['avatar_path'] = make_avatar_url($row['user_id'], $row['avatar_type'], $row['email']);
541
acb7e23b6ffa Massive commit with various changes. Added user ranks system (no admin interface yet) and ability for users to have custom user titles. Made cron framework accept fractions of hours through floating-point intervals. Modifed ACL editor to use miniPrompt framework for close confirmation box. Made avatar system use a special page as opposed to fetching the files directly for caching reasons.
Dan
parents: 536
diff changeset
   169
            
1
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            // Add the comment to the list
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            $ret['comments'][] = $row;
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   172
            
1011
96119a79cf81 Comments: fixed failure to supply $q to fetchrow() in JSON fetcher
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parents: 972
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          } while ( $row = $db->fetchrow($q) );
1
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        }
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        $db->free_result();
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        $ret['count_appr'] = $count_appr;
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        $ret['count_total'] = $count_total;
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        $ret['count_unappr'] = $count_unappr;
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        $ret['auth_mod_comments'] = $this->perms->get_permissions('mod_comments');
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        $ret['auth_post_comments'] = $this->perms->get_permissions('post_comments');
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        $ret['auth_edit_comments'] = $this->perms->get_permissions('edit_comments');
748
e39454295bbb Added makeSwitchable Dynano method for textareas; enabled support for makeSwitchable in comment runtime
Dan
parents: 685
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        $ret['auth_edit_wysiwyg'] = $this->perms->get_permissions('edit_wysiwyg');
1
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        $ret['user_id'] = $session->user_id;
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        $ret['username'] = $session->username;
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        $ret['logged_in'] = $session->user_logged_in;
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        $ret['user_level'] = Array();
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        $ret['user_level']['guest'] = USER_LEVEL_GUEST;
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        $ret['user_level']['member'] = USER_LEVEL_MEMBER;
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        $ret['user_level']['mod'] = USER_LEVEL_MOD;
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        $ret['user_level']['admin'] = USER_LEVEL_ADMIN;
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diff changeset
   192
        
832
7152ca0a0ce9 Major redesign of rendering pipeline that separates pages saved with MCE from pages saved with the plaintext editor (full description in long commit message)
Dan
parents: 825
diff changeset
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        $ret['approval_needed'] = ( getConfig('approve_comments', '0') == '1' );
1
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        $ret['guest_posting'] = getConfig('comments_need_login');
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   195
        
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        if ( $ret['guest_posting'] == '1' && !$session->user_logged_in )
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        {
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          $session->kill_captcha();
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          $ret['captcha'] = $session->make_captcha();
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diff changeset
   200
        }
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   201
        break;
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   202
      case 'edit':
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        $cid = (string)$data['id'];
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
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        if ( !ctype_digit($cid) || intval($cid) < 1 )
1
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        {
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parents:
diff changeset
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          echo '{"mode":"error","error":"HACKING ATTEMPT"}';
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          return false;
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diff changeset
   208
        }
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        $cid = intval($cid);
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        $q = $db->sql_query('SELECT c.user_id,c.approved FROM '.table_prefix.'comments c LEFT JOIN '.table_prefix.'users u ON (u.user_id=c.user_id) WHERE comment_id='.$cid.';');
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        if(!$q)
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diff changeset
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          $db->die_json();
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diff changeset
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        $row = $db->fetchrow();
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        $uid = intval($row['user_id']);
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        $can_edit = ( ( $uid == $session->user_id && $uid != 1 && $this->perms->get_permissions('edit_comments') ) || ( $this->perms->get_permissions('mod_comments') ) );
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diff changeset
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        if(!$can_edit)
fe660c52c48f Adding /includes
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parents:
diff changeset
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        {
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parents:
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          echo '{"mode":"error","error":"HACKING ATTEMPT"}';
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parents:
diff changeset
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          return false;
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diff changeset
   220
        }
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diff changeset
   221
        $data['data'] = str_replace("\r", '', $data['data']); // Windows compatibility
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diff changeset
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        $text = RenderMan::preprocess_text($data['data'], true, false);
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diff changeset
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        $text2 = $db->escape($text);
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diff changeset
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        $subj = $db->escape(htmlspecialchars($data['subj']));
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diff changeset
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        $q = $db->sql_query('UPDATE '.table_prefix.'comments SET subject=\'' . $subj . '\',comment_data=\'' . $text2 . '\' WHERE comment_id=' . $cid . ';');
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        if(!$q)
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diff changeset
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          $db->die_json();
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parents:
diff changeset
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        $ret = Array(
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            'mode' => 'redraw',
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diff changeset
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            'id'   => $data['local_id'],
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diff changeset
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            'subj' => htmlspecialchars($data['subj']),
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diff changeset
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            'text' => RenderMan::render($text),
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diff changeset
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            'src'  => $text,
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            'approved' => $row['approved']
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diff changeset
   235
          );
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parents:
diff changeset
   236
        break;
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parents:
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   237
      case 'delete':
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diff changeset
   238
        $cid = (string)$data['id'];
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
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        if ( !ctype_digit($cid) || intval($cid) < 1 )
1
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diff changeset
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        {
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diff changeset
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          echo '{"mode":"error","error":"HACKING ATTEMPT"}';
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diff changeset
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          return false;
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diff changeset
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        }
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diff changeset
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        $cid = intval($cid);
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diff changeset
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        $q = $db->sql_query('SELECT c.user_id FROM '.table_prefix.'comments c LEFT JOIN '.table_prefix.'users u ON (u.user_id=c.user_id) WHERE comment_id='.$cid.';');
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diff changeset
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        if(!$q)
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diff changeset
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          $db->die_json();
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diff changeset
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        $row = $db->fetchrow();
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diff changeset
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        $uid = intval($row['user_id']);
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diff changeset
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        $can_edit = ( ( $uid == $session->user_id && $uid != 1 && $this->perms->get_permissions('edit_comments') ) || ( $this->perms->get_permissions('mod_comments') ) );
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diff changeset
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        if(!$can_edit)
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parents:
diff changeset
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        {
fe660c52c48f Adding /includes
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parents:
diff changeset
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          echo '{"mode":"error","error":"HACKING ATTEMPT"}';
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diff changeset
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          return false;
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diff changeset
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        }
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        $q = $db->sql_query('DELETE FROM '.table_prefix.'comments WHERE comment_id='.$cid.';');
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        if(!$q)
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          $db->die_json();
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        $ret = Array(
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            'mode' => 'annihilate',
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            'id'   => $data['local_id']
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diff changeset
   262
          );
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parents:
diff changeset
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        break;
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   264
      case 'submit':
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diff changeset
   265
        
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   266
        // Now for a huge round of security checks...
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parents:
diff changeset
   267
        
fe660c52c48f Adding /includes
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parents:
diff changeset
   268
        $errors = Array();
fe660c52c48f Adding /includes
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parents:
diff changeset
   269
        
fe660c52c48f Adding /includes
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parents:
diff changeset
   270
        // Authorization
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parents:
diff changeset
   271
        // Like the rest of the ACL system, this call is a one-stop check for ALL ACL entries.
fe660c52c48f Adding /includes
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parents:
diff changeset
   272
        if ( !$this->perms->get_permissions('post_comments') )
74
68469a95658d Various bugfixes and cleanups, too much to remember... see the diffs for what got changed :-)
Dan
parents: 73
diff changeset
   273
          $errors[] = 'The site security policy prevents your user account from posting comments;';
1
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parents:
diff changeset
   274
        
fe660c52c48f Adding /includes
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parents:
diff changeset
   275
        // Guest authorization
fe660c52c48f Adding /includes
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parents:
diff changeset
   276
        if ( getConfig('comments_need_login') == '2' && !$session->user_logged_in )
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   277
          $errors[] = $lang->get('comment_err_need_login');
1
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dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   278
        
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   279
        // CAPTCHA code
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parents:
diff changeset
   280
        if ( getConfig('comments_need_login') == '1' && !$session->user_logged_in )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   281
        {
fe660c52c48f Adding /includes
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parents:
diff changeset
   282
          $real_code = $session->get_captcha($data['captcha_id']);
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   283
          if ( strtolower($real_code) !== strtolower($data['captcha_code']) )
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   284
            $errors[] = $lang->get('comment_err_captcha_wrong');
263
d57af0b0302e Major improvements in the security of the CAPTCHA system (no SQL injection or anything like that); fixed denied form submission due to _af_acting on form object wrongly switched to true
Dan
parents: 166
diff changeset
   285
          $session->kill_captcha();
1
fe660c52c48f Adding /includes
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parents:
diff changeset
   286
        }
fe660c52c48f Adding /includes
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parents:
diff changeset
   287
        
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   288
        // Spam check
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   289
        $spam_policy = getConfig('comment_spam_policy', 'moderate');
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   290
        $sc_name = ( $session->user_logged_in ) ? $session->username : $data['name'];
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   291
        $sc_mail = ( $session->user_logged_in ) ? $session->email : false;
972
437f2505d340 Band-Aided user_homepage undefined index error in comments.
Dan
parents: 832
diff changeset
   292
        $sc_url  = ( $session->user_logged_in ) ? @$session->user_extra['user_homepage'] : false;
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   293
        $spamcheck = $spam_policy === 'accept' ? true : spamalyze($data['text'], $sc_name, $sc_mail, $sc_url);
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   294
        if ( !$spamcheck && $spam_policy === 'reject' )
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   295
        {
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   296
          $errors[] = $lang->get('comment_err_spamcheck_failed_rejected');
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   297
        }
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   298
        
1
fe660c52c48f Adding /includes
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parents:
diff changeset
   299
        if ( count($errors) > 0 )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   300
        {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   301
          $ret = Array(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   302
            'mode' => 'error',
fe660c52c48f Adding /includes
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parents:
diff changeset
   303
            'error' => implode("\n", $errors)
fe660c52c48f Adding /includes
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parents:
diff changeset
   304
            );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   305
        }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   306
        else
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   307
        {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   308
          // We're authorized!
fe660c52c48f Adding /includes
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parents:
diff changeset
   309
          
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   310
          // Preprocess
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   311
          $name = ( $session->user_logged_in ) ? htmlspecialchars($session->username) : htmlspecialchars($data['name']);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   312
          $subj = htmlspecialchars($data['subj']);
fe660c52c48f Adding /includes
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parents:
diff changeset
   313
          $text = RenderMan::preprocess_text($data['text'], true, false);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   314
          $src = $text;
1085
3343a05e7e5b SECURITY: Comments: fix poor sanitization of subject on initial submit
Dan
parents: 1081
diff changeset
   315
          $sql_subj = $db->escape($subj);
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   316
          $sql_text = $db->escape($text);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   317
          $text = RenderMan::render($text);
832
7152ca0a0ce9 Major redesign of rendering pipeline that separates pages saved with MCE from pages saved with the plaintext editor (full description in long commit message)
Dan
parents: 825
diff changeset
   318
          $appr = ( getConfig('approve_comments', '0') == '1' ) ? COMMENT_UNAPPROVED : COMMENT_APPROVED;
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   319
          if ( $appr === COMMENT_APPROVED && $spam_policy === 'moderate' && !$spamcheck )
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   320
            $appr = COMMENT_SPAM;
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   321
          $time = time();
1081
745200a9cc2a Fixed some upgrade bugs; added support for choosing one's own date/time formats; rebrand as 1.1.7
Dan
parents: 1016
diff changeset
   322
          $date = enano_date(ED_DATE | ED_TIME, $time);
359
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   323
          $ip = $_SERVER['REMOTE_ADDR'];
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   324
          if ( !is_valid_ip($ip) )
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   325
            die('Hacking attempt');
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   326
          
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   327
          // Send it to the database
359
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   328
          $q = $db->sql_query('INSERT INTO '.table_prefix.'comments(page_id,namespace,name,subject,comment_data,approved, time, user_id, ip_address) VALUES' . "\n  " .
1085
3343a05e7e5b SECURITY: Comments: fix poor sanitization of subject on initial submit
Dan
parents: 1081
diff changeset
   329
                             "('$this->page_id', '$this->namespace', '$name', '$sql_subj', '$sql_text', $appr, $time, {$session->user_id}, '$ip');");
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   330
          if(!$q)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   331
            $db->die_json();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   332
          
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   333
          // Re-fetch
621
68f8a9cc0a18 Added Gravatar support! And it's really configurable too.
Dan
parents: 541
diff changeset
   334
          $q = $db->sql_query('SELECT c.comment_id,c.name,c.subject,c.comment_data,c.time,c.approved,u.user_level,u.user_id,u.email,u.signature,u.user_has_avatar,u.avatar_type FROM '.table_prefix.'comments AS c
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   335
                               LEFT JOIN '.table_prefix.'users AS u
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   336
                                 ON (u.user_id=c.user_id)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   337
                               WHERE page_id=\'' . $this->page_id . '\'
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   338
                                 AND namespace=\'' . $this->namespace . '\'
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   339
                                 AND time='.$time.' ORDER BY comment_id DESC LIMIT 1;');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   340
          if(!$q)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   341
            $db->die_json();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   342
          
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   343
          $row = $db->fetchrow();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   344
          $db->free_result();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   345
          $row['time'] = $date;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   346
          $row['comment_data'] = $text;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   347
          $row['comment_source'] = $src;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   348
          $ret = Array(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   349
              'mode' => 'materialize'
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   350
            );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   351
          $ret = enano_safe_array_merge($ret, $row);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   352
          
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   353
          $ret['auth_mod_comments'] = $this->perms->get_permissions('mod_comments');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   354
          $ret['auth_post_comments'] = $this->perms->get_permissions('post_comments');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   355
          $ret['auth_edit_comments'] = $this->perms->get_permissions('edit_comments');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   356
          $ret['user_id'] = $session->user_id;
541
acb7e23b6ffa Massive commit with various changes. Added user ranks system (no admin interface yet) and ability for users to have custom user titles. Made cron framework accept fractions of hours through floating-point intervals. Modifed ACL editor to use miniPrompt framework for close confirmation box. Made avatar system use a special page as opposed to fetching the files directly for caching reasons.
Dan
parents: 536
diff changeset
   357
          $ret['rank_data'] = $session->get_user_rank($session->user_id);
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   358
          $ret['username'] = $session->username;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   359
          $ret['logged_in'] = $session->user_logged_in;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   360
          $ret['signature'] = RenderMan::render($row['signature']);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   361
          
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   362
          $ret['user_level_list'] = Array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   363
          $ret['user_level_list']['guest'] = USER_LEVEL_GUEST;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   364
          $ret['user_level_list']['member'] = USER_LEVEL_MEMBER;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   365
          $ret['user_level_list']['mod'] = USER_LEVEL_MOD;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   366
          $ret['user_level_list']['admin'] = USER_LEVEL_ADMIN;
621
68f8a9cc0a18 Added Gravatar support! And it's really configurable too.
Dan
parents: 541
diff changeset
   367
          $ret['avatar_path'] = make_avatar_url($row['user_id'], $row['avatar_type'], $row['email']);
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   368
        }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   369
        
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   370
        break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   371
      case 'approve':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   372
        if ( !$this->perms->get_permissions('mod_comments') )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   373
        {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   374
          $ret = Array(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   375
          'mode' => 'error', 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   376
          'error' => 'You are not authorized to moderate comments.'
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   377
          );
334
c72b545f1304 More localization work. Resolved major issue with JSON parser not parsing files over ~50KB. Switched JSON parser to the one from the Zend Framework (BSD licensed). Forced to split enano.json into five different files.
Dan
parents: 328
diff changeset
   378
          echo enano_json_encode($ret);
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   379
          return $ret;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   380
        }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   381
        
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   382
        $cid = (string)$data['id'];
825
9d5c04c1414f Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
Dan
parents: 801
diff changeset
   383
        if ( !ctype_digit($cid) || intval($cid) < 1 )
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   384
        {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   385
          echo '{"mode":"error","error":"HACKING ATTEMPT"}';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   386
          return false;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   387
        }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   388
        $cid = intval($cid);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   389
        $q = $db->sql_query('SELECT subject,approved FROM '.table_prefix.'comments WHERE comment_id='.$cid.';');
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   390
        if(!$q || $db->numrows() < 1)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   391
          $db->die_json();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   392
        $row = $db->fetchrow();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   393
        $db->free_result();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   394
        $appr = ( $row['approved'] == '1' ) ? '0' : '1';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   395
        $q = $db->sql_query('UPDATE '.table_prefix."comments SET approved=$appr WHERE comment_id=$cid;");
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   396
        if (!$q)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   397
          $db->die_json();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   398
        
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   399
        $ret = Array(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   400
            'mode' => 'redraw',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   401
            'approved' => $appr,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   402
            'subj' => $row['subject'],
29
e5484a9e0818 Rewrote change theme dialog; a few minor stability fixes here and there; fixed IE + St Patty background image
Dan
parents: 21
diff changeset
   403
            'id'   => $data['local_id'],
e5484a9e0818 Rewrote change theme dialog; a few minor stability fixes here and there; fixed IE + St Patty background image
Dan
parents: 21
diff changeset
   404
            'approve_updated' => 'yes'
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   405
          );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   406
        
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   407
        break;
359
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   408
      case 'view_ip':
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   409
        if ( !$session->get_permissions('mod_comments') )
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   410
        {
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   411
          return array(
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   412
              'mode' => 'error',
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   413
              'error' => 'Unauthorized'
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   414
            );
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   415
        }
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   416
        // fetch comment info
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   417
        if ( !is_int($data['id']) )
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   418
        {
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   419
          return array(
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   420
              'mode' => 'error',
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   421
              'error' => 'Unauthorized'
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   422
            );
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   423
        }
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   424
        $id =& $data['id'];
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   425
        $q = $db->sql_query('SELECT ip_address, name FROM ' . table_prefix . 'comments WHERE comment_id = ' . $id . ';');
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   426
        if ( !$q || $db->numrows() < 1 )
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   427
        {
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   428
          $db->die_json();
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   429
        }
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   430
        list($ip_addr, $name) = $db->fetchrow_num($q);
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   431
        $db->free_result();
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   432
        $name = $db->escape($name);
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   433
        $username = $db->escape($session->username);
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   434
        // log this action
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   435
        $q = $db->sql_query('INSERT INTO ' . table_prefix . "logs(time_id, log_type, action, page_text, author, edit_summary) VALUES\n  "
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   436
                            . "( " . time() . ", 'security', 'view_comment_ip', '$name', '$username', '{$_SERVER['REMOTE_ADDR']}' );");
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   437
        if ( !$q )
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   438
          $db->die_json();
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   439
        
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   440
        // send packet
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   441
        $ret = array(
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   442
            'mode' => 'redraw',
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   443
            'ip_addr' => $ip_addr,
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   444
            'local_id' => $data['local_id']
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   445
          );
e0787bb6285b Implemented IP logging for comments and registration
Dan
parents: 345
diff changeset
   446
        break;
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   447
      default:
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   448
        $ret = Array(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   449
          'mode' => 'error', 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   450
          'error' => $data['mode'] . ' is not a valid request mode'
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   451
          );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   452
        break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   453
    }
1016
6d32d80b2192 Comments: SECURITY: Fixed IP not recorded in non-JSON submit and a few other non-security issues
Dan
parents: 1011
diff changeset
   454
    if ( $is_json )
6d32d80b2192 Comments: SECURITY: Fixed IP not recorded in non-JSON submit and a few other non-security issues
Dan
parents: 1011
diff changeset
   455
      echo enano_json_encode($ret);
6d32d80b2192 Comments: SECURITY: Fixed IP not recorded in non-JSON submit and a few other non-security issues
Dan
parents: 1011
diff changeset
   456
    
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   457
    return $ret;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   458
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   459
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   460
} // class Comments
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   461