From ced34cb15e095836767971aa4d27b141fb1d7ec9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sat, 18 Oct 2014 08:47:54 -0400
Subject: [PATCH] Merge pull request #230 from bytesatwork-xx/master

---
 program/lib/Roundcube/rcube_mime.php |   47 ++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/program/lib/Roundcube/rcube_mime.php b/program/lib/Roundcube/rcube_mime.php
index a931c27..f66cf14 100644
--- a/program/lib/Roundcube/rcube_mime.php
+++ b/program/lib/Roundcube/rcube_mime.php
@@ -366,6 +366,9 @@
                 $address = 'MAILER-DAEMON';
                 $name    = substr($val, 0, -strlen($m[1]));
             }
+            else if (preg_match('/('.$email_rx.')/', $val, $m)) {
+                $name = $m[1];
+            }
             else {
                 $name = $val;
             }
@@ -378,14 +381,20 @@
                 }
                 if ($decode) {
                     $name = self::decode_header($name, $fallback);
+                    // some clients encode addressee name with quotes around it
+                    if ($name[0] == '"' && $name[strlen($name)-1] == '"') {
+                        $name = substr($name, 1, -1);
+                    }
                 }
             }
 
             if (!$address && $name) {
                 $address = $name;
+                $name    = '';
             }
 
             if ($address) {
+                $address      = self::fix_email($address);
                 $result[$key] = array('name' => $name, 'address' => $address);
             }
         }
@@ -472,15 +481,17 @@
     /**
      * Interpret a format=flowed message body according to RFC 2646
      *
-     * @param string  $text Raw body formatted as flowed text
+     * @param string $text Raw body formatted as flowed text
+     * @param string $mark Mark each flowed line with specified character
      *
      * @return string Interpreted text with unwrapped lines and stuffed space removed
      */
-    public static function unfold_flowed($text)
+    public static function unfold_flowed($text, $mark = null)
     {
         $text = preg_split('/\r?\n/', $text);
         $last = -1;
         $q_level = 0;
+        $marks = array();
 
         foreach ($text as $idx => $line) {
             if (preg_match('/^(>+)/', $line, $m)) {
@@ -500,6 +511,10 @@
                 ) {
                     $text[$last] .= $line;
                     unset($text[$idx]);
+
+                    if ($mark) {
+                        $marks[$last] = true;
+                    }
                 }
                 else {
                     $last = $idx;
@@ -512,7 +527,7 @@
                 }
                 else {
                     // remove space-stuffing
-                    $line = preg_replace('/^\s/', '', $line);
+                    $line = preg_replace('/^ /', '', $line);
 
                     if (isset($text[$last]) && $line
                         && $text[$last] != '-- '
@@ -520,6 +535,10 @@
                     ) {
                         $text[$last] .= $line;
                         unset($text[$idx]);
+
+                        if ($mark) {
+                            $marks[$last] = true;
+                        }
                     }
                     else {
                         $text[$idx] = $line;
@@ -528,6 +547,12 @@
                 }
             }
             $q_level = $q;
+        }
+
+        if (!empty($marks)) {
+            foreach (array_keys($marks) as $mk) {
+                $text[$mk] = $mark . $text[$mk];
+            }
         }
 
         return implode("\r\n", $text);
@@ -798,6 +823,7 @@
             $file_paths[] = '/etc/httpd2/mime.types';
             $file_paths[] = '/etc/apache/mime.types';
             $file_paths[] = '/etc/apache2/mime.types';
+            $file_paths[] = '/etc/nginx/mime.types';
             $file_paths[] = '/usr/local/etc/httpd/conf/mime.types';
             $file_paths[] = '/usr/local/etc/apache/conf/mime.types';
         }
@@ -881,4 +907,19 @@
         return 'image/' . $type;
     }
 
+    /**
+     * Try to fix invalid email addresses
+     */
+    public static function fix_email($email)
+    {
+        $parts = rcube_utils::explode_quoted_string('@', $email);
+        foreach ($parts as $idx => $part) {
+            // remove redundant quoting (#1490040)
+            if ($part[0] == '"' && preg_match('/^"([a-zA-Z0-9._+=-]+)"$/', $part, $m)) {
+                $parts[$idx] = $m[1];
+            }
+        }
+
+        return implode('@', $parts);
+    }
 }

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