From bde85428d69069637782d9507475df78890f08d0 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 10 May 2013 03:37:25 -0400
Subject: [PATCH] Fix handling of invalid email addresses in headers (#1489092)

---
 program/steps/mail/func.inc |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 1ce5abf..0dae6de 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -772,10 +772,12 @@
       if ($q > $quote_level) {
         $body[$n] = $replacer->get_replacement($replacer->add(
           str_repeat('<blockquote>', $q - $quote_level))) . $body[$n];
+        $last = $n;
       }
       else if ($q < $quote_level) {
         $body[$n] = $replacer->get_replacement($replacer->add(
           str_repeat('</blockquote>', $quote_level - $q))) . $body[$n];
+        $last = $n;
       }
       else if ($flowed) {
         // previous line is flowed
@@ -1187,7 +1189,7 @@
              html::a($show_link + array('class' => 'image-link', 'style' => sprintf('width:%dpx', $thumbnail_size)),
                html::img(array(
                 'class' => 'image-thumbnail',
-                'src'   => $MESSAGE->get_part_url($attach_prop->mime_id, true) . '&_thumb=1',
+                'src'   => $MESSAGE->get_part_url($attach_prop->mime_id, 'image') . '&_thumb=1',
                 'title' => $attach_prop->filename,
                 'alt'   => $attach_prop->filename,
                 'style' => sprintf('max-width:%dpx; max-height:%dpx', $thumbnail_size, $thumbnail_size),
@@ -1207,7 +1209,7 @@
             html::tag('legend', 'image-filename', Q($attach_prop->filename)) .
             html::p(array('align' => "center"),
               html::img(array(
-                'src'   => $MESSAGE->get_part_url($attach_prop->mime_id, true),
+                'src'   => $MESSAGE->get_part_url($attach_prop->mime_id, 'image'),
                 'title' => $attach_prop->filename,
                 'alt'   => $attach_prop->filename,
               )))
@@ -1439,9 +1441,10 @@
     $name   = $part['name'];
     $mailto = $part['mailto'];
     $string = $part['string'];
+    $valid  = check_email($mailto, false);
 
     // phishing email prevention (#1488981), e.g. "valid@email.addr <phishing@email.addr>"
-    if ($name && $name != $mailto && strpos($name, '@')) {
+    if ($name && $valid && $name != $mailto && strpos($name, '@')) {
       $name = '';
     }
 
@@ -1457,7 +1460,7 @@
       // for printing we display all addresses
       continue;
     }
-    else if (check_email($part['mailto'], false)) {
+    else if ($valid) {
       if ($linked) {
         $address = html::a(array(
             'href' => 'mailto:'.$mailto,
@@ -1490,7 +1493,7 @@
       if ($name)
         $address .= Q($name);
       if ($mailto)
-        $address .= (strlen($address) ? ' ' : '') . sprintf('&lt;%s&gt;', Q($mailto));
+        $address = trim($address . ' ' . Q($name ? sprintf('<%s>', $mailto) : $mailto));
     }
 
     $address = html::span('adr', $address);

--
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