From d39aaff5bca203d5699810bafe71b395081d513e Mon Sep 17 00:00:00 2001
From: mistic100 <mistic@piwigo.org>
Date: Sun, 24 Jun 2012 01:24:55 +0000
Subject: bug 2660: check guest IP on insert_user_comment (same system as
 rate_picture)

git-svn-id: http://piwigo.org/svn/trunk@15983 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 include/functions_comment.inc.php  | 19 ++++++++++++++++++-
 install/db/128-database.php        | 38 ++++++++++++++++++++++++++++++++++++++
 install/piwigo_structure-mysql.sql |  1 +
 3 files changed, 57 insertions(+), 1 deletion(-)
 create mode 100644 install/db/128-database.php

diff --git a/include/functions_comment.inc.php b/include/functions_comment.inc.php
index 4c884794a..51e83cd81 100644
--- a/include/functions_comment.inc.php
+++ b/include/functions_comment.inc.php
@@ -126,6 +126,14 @@ SELECT COUNT(*) AS user_exists
     $comment_action='reject';
     $_POST['cr'][] = 'key'; // rvelices: I use this outside to see how spam robots work
   }
+  
+  // anonymous id = ip address
+  $ip_components = explode('.', $comm['ip']);
+  if (count($ip_components) > 3)
+  {
+    array_pop($ip_components);
+  }
+  $comm['anonymous_id'] = implode('.', $ip_components);
 
   if ($comment_action!='reject' and $conf['anti-flood_time']>0 and !is_admin())
   { // anti-flood system
@@ -135,6 +143,14 @@ SELECT COUNT(*) AS user_exists
 SELECT count(1) FROM '.COMMENTS_TABLE.'
   WHERE date > '.$reference_date.'
     AND author_id = '.$comm['author_id'];
+    if (!is_classic_user())
+    {
+      $query.= '
+      AND anonymous_id = "'.$comm['anonymous_id'].'"';
+    }
+    $query.= '
+;';
+
     list($counter) = pwg_db_fetch_row(pwg_query($query));
     if ( $counter > 0 )
     {
@@ -152,10 +168,11 @@ SELECT count(1) FROM '.COMMENTS_TABLE.'
   {
     $query = '
 INSERT INTO '.COMMENTS_TABLE.'
-  (author, author_id, content, date, validated, validation_date, image_id)
+  (author, author_id, anonymous_id, content, date, validated, validation_date, image_id)
   VALUES (
     \''.$comm['author'].'\',
     '.$comm['author_id'].',
+    \''.$comm['anonymous_id'].'\',
     \''.$comm['content'].'\',
     NOW(),
     \''.($comment_action=='validate' ? 'true':'false').'\',
diff --git a/install/db/128-database.php b/install/db/128-database.php
new file mode 100644
index 000000000..d1dae91f9
--- /dev/null
+++ b/install/db/128-database.php
@@ -0,0 +1,38 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based photo gallery                                    |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2012 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+if (!defined('PHPWG_ROOT_PATH'))
+{
+  die('Hacking attempt!');
+}
+
+$upgrade_description = 'add anonymous_id in comments table';
+
+include_once(PHPWG_ROOT_PATH.'include/constants.php');
+
+$query = 'ALTER TABLE `'.COMMENTS_TABLE.'` ADD `anonymous_id` VARCHAR( 45 ) DEFAULT NULL;';
+pwg_query($query);
+
+echo "\n".$upgrade_description."\n";
+
+?>
\ No newline at end of file
diff --git a/install/piwigo_structure-mysql.sql b/install/piwigo_structure-mysql.sql
index 8f7c87009..d1202b1bd 100644
--- a/install/piwigo_structure-mysql.sql
+++ b/install/piwigo_structure-mysql.sql
@@ -52,6 +52,7 @@ CREATE TABLE `piwigo_comments` (
   `date` datetime NOT NULL default '0000-00-00 00:00:00',
   `author` varchar(255) default NULL,
   `author_id` smallint(5) DEFAULT NULL,
+  `anonymous_id` varchar(45) NOT NULL,
   `content` longtext,
   `validated` enum('true','false') NOT NULL default 'false',
   `validation_date` datetime default NULL,
-- 
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