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List:       squirrelmail-cvs
Subject:    [SM-CVS] SF.net SVN: squirrelmail:[14839] trunk/squirrelmail/functions/mime.php
From:       pdontthink--- via squirrelmail-cvs <squirrelmail-cvs () lists ! sourceforge ! net>
Date:       2020-01-07 6:49:42
Message-ID: 1578379783.64896.5556 () sfp-scm-1 ! v30 ! lw ! sourceforge ! com
[Download RAW message or body]

Revision: 14839
          http://sourceforge.net/p/squirrelmail/code/14839
Author:   pdontthink
Date:     2020-01-07 06:49:42 +0000 (Tue, 07 Jan 2020)
Log Message:
-----------
Even better HTML email content style containment

Modified Paths:
--------------
    trunk/squirrelmail/functions/mime.php

Modified: trunk/squirrelmail/functions/mime.php
===================================================================
--- trunk/squirrelmail/functions/mime.php	2020-01-07 06:36:26 UTC (rev 14838)
+++ trunk/squirrelmail/functions/mime.php	2020-01-07 06:49:42 UTC (rev 14839)
@@ -2124,9 +2124,17 @@
      * body {background: blah-blah}
      * and change it to .bodyclass so we can just assign it to a <div>
      */
-    // Let's try out something that catches stuff like:  body, p, div {    or stuff \
                like:  body a {
     // $content = preg_replace("|body(\s*\{.*?\})|si", ".bodyclass\\1", $content);
-    $content = preg_replace("/body((?:\s*(?:,| )\s*[a-z0-9_-]+)*\s*\{.*?\})/si", \
".bodyclass\\1", $content); +    // Nah, this is even better - try to preface all CSS \
selectors with +    // our <div> class ID "bodyclass" then correct generic "body" \
selectors +    // TODO: this works pretty good but breaks stuff like this:
+    //       @media print { body { font-size: 10pt; } }
+    //       but there isn't an easy way to make this regex skip @media
+    //       definitions... though lots of the ones in the wild will be
+    //       correctly handled because they tend to end with a parenthesis, like:
+    //       @media screen and (max-width:480px) { ...
+    $content = preg_replace('/([a-z0-9._-][a-z0-9 >+~|:._-]*\s*(?:,|{.*?}))/si', \
'.bodyclass $1', $content); +    $content = str_replace('.bodyclass body', \
'.bodyclass', $content);  
     global $use_transparent_security_image;
     if ($use_transparent_security_image) $secremoveimg = '../images/spacer.png';

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