From 59478e06c25303a790a0840ab2ac30662c4ef781 Mon Sep 17 00:00:00 2001
From: Hugues Hiegel <root@paranoid>
Date: Tue, 5 Aug 2014 16:46:22 +0200
Subject:  c'est la merde..

---
 plugins/dkimstatus/dkimstatus.php | 155 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 plugins/dkimstatus/dkimstatus.php

(limited to 'plugins/dkimstatus/dkimstatus.php')

diff --git a/plugins/dkimstatus/dkimstatus.php b/plugins/dkimstatus/dkimstatus.php
new file mode 100644
index 000000000..a26fac4af
--- /dev/null
+++ b/plugins/dkimstatus/dkimstatus.php
@@ -0,0 +1,155 @@
+<?php
+
+/**
+ * This plugin displays an icon showing the status 
+ * of dkim verification of the message 
+ *
+ * @version 0.4.7
+ * @author Julien vehent 
+ * @mail julien@linuxwall.info
+ * 
+ * original plugin from Vladimir Mach - wladik@gmail.com
+ * http://www.wladik.net
+ *
+ * Changelog:
+ *  20110912 - Added X-Spam-Status for spamassassin (thanks Ashish Shukla for the patch)
+ *  20110619 - Added License information for GPLv2
+ *  20110406 - added italian translation from Roberto Puzzanghera
+ *  20110128 - updated german translation by Simon
+ *  20101118 - japanese translation from Taka
+ *  20100811 - from Sergio Cambra: SPF fix, image function and spanish translation
+ *  20100202 - fix for amavis and add cz translation
+ *  20100201 - add control of header.i and header.from to detect third party signature, change icons
+ *  20100115 - add 'no information' status with image using x-dkim-authentication-results
+ *  20090920 - fixed space in matching status (thanks Pim Pronk for suggestion)
+ */
+class dkimstatus extends rcube_plugin
+{
+    public $task = 'mail';
+    function init()
+    {
+        $rcmail = rcmail::get_instance();
+        if ($rcmail->action == 'show' || $rcmail->action == 'preview') {
+            $this->add_hook('imap_init', array($this, 'imap_init'));
+            $this->add_hook('message_headers_output', array($this, 'message_headers'));
+        } else if ($rcmail->action == '') {
+            // with enabled_caching we're fetching additional headers before show/preview
+            $this->add_hook('imap_init', array($this, 'imap_init'));
+        }
+    }
+    
+    function imap_init($p)
+    {
+        $rcmail = rcmail::get_instance();
+        $p['fetch_headers'] = trim($p['fetch_headers'].' ' . strtoupper('Authentication-Results').' '. strtoupper('X-DKIM-Authentication-Results').' ' .strtoupper('X-Spam-Status'));
+        return $p;
+    }
+
+    function image($image, $alt, $title)
+    {
+        return '<img src="plugins/dkimstatus/images/'.$image.'" alt="'.$this->gettext($alt).'" title="'.$this->gettext($alt).$title.'" /> ';
+    }
+    
+    function message_headers($p)
+    {
+        $this->add_texts('localization');
+
+        /* First, if dkimproxy did not find a signature, stop here
+        */
+        if($p['headers']->others['x-dkim-authentication-results'] || $p['headers']->others['authentication-results'] || $p['headers']->others['x-spam-status']){
+
+            $results = $p['headers']->others['x-dkim-authentication-results'];
+
+            if(preg_match("/none/", $results)) {
+                $image = 'nosiginfo.png';
+                $alt = 'nosignature';
+            } else {
+                /* Second, check the authentication-results header
+                */
+                if($p['headers']->others['authentication-results']) {
+
+                    $results = $p['headers']->others['authentication-results'];
+
+                    if(preg_match("/dkim=([a-zA-Z0-9]*)/", $results, $m)) {
+                        $status = ($m[1]);
+                    }
+
+                    if(preg_match("/domainkeys=([a-zA-Z0-9]*)/", $results, $m)) {
+                        $status = ($m[1]);
+                    }
+
+
+                    if($status == 'pass') {
+
+                        /* Verify if its an author's domain signature or a third party
+                        */
+
+                        if(preg_match("/[@][a-zA-Z0-9]+([.][a-zA-Z0-9]+)?\.[a-zA-Z]{2,4}/", $p['headers']->from, $m)) {
+                            $authordomain = $m[0];
+                            if(preg_match("/header\.i=(([a-zA-Z0-9]+[_\.\-]?)+)?($authordomain)/", $results) ||
+                                preg_match("/header\.from=(([a-zA-Z0-9]+[_\.\-]?)+)?($authordomain)/", $results)) {
+                                $image = 'authorsign.png';
+                                $alt = 'verifiedsender';
+                                $title = $results;
+                            } else {
+                                $image = 'thirdpty.png';
+                                $alt = 'thirdpartysig';
+                                $title = $results;
+                            }
+                        }
+
+                    }
+                    /* If signature proves invalid, show appropriate warning
+                    */ 
+                    else if ($status) {
+                        $image = 'invalidsig.png';
+                        $alt = 'invalidsignature';
+                        $title = $results;
+                    }
+                    /* If no status it can be a spf verification
+                    */
+                    else {
+                        $image = 'nosiginfo.png';
+                        $alt = 'nosignature';
+                    }
+
+                /* Third, check for spamassassin's X-Spam-Status
+                */
+                } else if ($p['headers']->others['x-spam-status']) {
+                    
+                    $image = 'nosiginfo.png';
+                    $alt = 'nosignature';
+
+                    /* DKIM_* are defined at: http://search.cpan.org/~kmcgrail/Mail-SpamAssassin-3.3.2/lib/Mail/SpamAssassin/Plugin/DKIM.pm */
+                    $results = $p['headers']->others['x-spam-status'];
+                    if(preg_match_all('/DKIM_[^,]+/', $results, $m)) {
+                        if(array_search('DKIM_SIGNED', $m[0]) !== FALSE) {
+                            if(array_search('DKIM_VALID', $m[0]) !== FALSE) {
+                                if(array_search('DKIM_VALID_AU', $m[0])) {
+                                    $image = 'authorsign.png';
+                                    $alt = 'verifiedsender';
+                                    $title = 'DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU';
+                                } else {
+                                    $image = 'thirdpty.png';
+                                    $alt = 'thirdpartysig';
+                                    $title = 'DKIM_SIGNED, DKIM_VALID';
+                                }
+                            } else {
+                                $image = 'invalidsig.png';
+                                $alt = 'invalidsignature';
+                                $title = 'DKIM_SIGNED';
+                            }
+                        }
+                    }
+                }
+            }
+        } else {
+            $image = 'nosiginfo.png';
+            $alt = 'nosignature';
+        }
+        if ($image && $alt) {
+            $p['output']['from']['value'] = $this->image($image, $alt, $title) . $p['output']['from']['value'];
+        }
+        return $p;
+    }
+} 
-- 
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