Changeset 13799

Timestamp:

Mar 29, 2012, 8:48:09 PM (12 years ago)

Author:

rvelices

Message:

rv_akismet - added a technique to detect robots (as of today my tests show 100% spams caught) :)

Location:

extensions/rv_akismet

Files:

• check.inc.php (modified) (3 diffs)
• csi.php (added)
• main.inc.php (modified) (3 diffs)

extensions/rv_akismet/check.inc.php

@@ -21 +21 @@
     'referrer' => isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '',
   );
+  if (isset($_POST['url']) && strlen($_POST['url']))
+    $aki_comm['comment_author_url'] = $_POST['url'];
 
   $akismet = new Akismet(get_absolute_root_url(), $conf['akismet_api_key'], $aki_comm);
@@ -32 +34 @@
       if ('reject'!=$action) set_status_header(403);
       $counters[0]++;
+      $_POST['cr'][] = 'aki';
     }
+    else
+      $_POST['cr'][] = 'aki-ok';
     $counters[1]++;
     $conf['akismet_counters'] = implode('/', $counters);
@@ -38 +43 @@
     pwg_query($query);
   }
-  elseif (is_admin())
-    var_export( $akismet->getErrors() );
+  else {
+    $_POST['cr'][] = 'aki-FAIL';
+    if (is_admin())
+      var_export( $akismet->getErrors() );
+  }
 
   return $action;

extensions/rv_akismet/main.inc.php

@@ -1 +1 @@
 <?php /*
 Plugin Name: RV Akismet
-Version: 2.3.a
+Version: 2.4.a
 Description: Uses Akismet online service to check comments agains spam
 Plugin URI: http://piwigo.org/ext/extension_view.php?eid=192
@@ -12 +12 @@
 
 add_event_handler('user_comment_check', 'akismet_user_comment_check_wrapper', EVENT_HANDLER_PRIORITY_NEUTRAL+10, 2);
+add_event_handler('loc_begin_page_tail', 'akismet_page_tail' );
+
 
 add_event_handler('get_admin_plugin_menu_links', 'akismet_plugin_admin_menu' );
+add_event_handler('init', 'akismet_init' );
+
 
 function akismet_plugin_admin_menu($menu)
@@ -37 +41 @@
 {
         include_once( dirname(__FILE__).'/check.inc.php' );
-        return akismet_user_comment_check($action, $comment);
+        $action = akismet_user_comment_check($action, $comment);
+        if (!isset($_SESSION['csi']) && isset($_POST['url']) && strlen($_POST['url']) )
+        {
+                $action = 'reject';
+                $_POST['cr'][] = 'csi url';
+        }
+        return $action;
 }
+
+function akismet_init()
+{
+        global $template;
+        $template->smarty->register_prefilter('akismet_prefilter_comment_form');
+}
+
+function akismet_prefilter_comment_form($source, $smarty)
+{
+        if ( ($pos=strpos($source, '<textarea'))!==false
+                && ($pos2=strpos($source, 'comment', $pos))!==false
+                && $pos2-$pos <300)
+        {
+                $source= substr_replace($source, '{html_style}#urlid{ldelim}display:none}{/html_style}<input type="text" name="url" id="urlid">', $pos,0);
+        }
+        return $source;
+}
+
+function akismet_page_tail()
+{
+        global $template, $conf;
+        if (!isset($_SESSION['csi']) && strpos($_SERVER['HTTP_USER_AGENT'],'bot')===false)
+        {
+                $src = get_root_url().'plugins/'.AKIS_DIR.'/csi.php';
+                $template->append( 'footer_elements', '<img src="'.$src.'" width=0 height=0>');
+        }
+}
+
 ?>