https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8286
Bug ID: 8286
Summary: TextCat: Ignore invisible text
Product: Spamassassin
Version: SVN Trunk (Latest Devel Version)
Hardware: PC
OS: Windows 10
Status: NEW
Severity: normal
Priority: P2
Component: Plugins
Assignee: dev@spamassassin.apache.org
Reporter: k...@mxguardian.net
Target Milestone: Undefined
Created attachment 5977
--> https://bz.apache.org/SpamAssassin/attachment.cgi?id=5977&action=edit
textcat.diff
I'm running into an issue where messages from Microsoft Teams written in
English are sometimes detected as Slovak, Czech, German
(sk.us-ascii,cs.iso-8859-2,de) or not detected at all (can't determine language
uniquely enough). This is due to a large chunk of base64 data embedded inside a
hidden div:
<section itemscope itemtype="http://schema.org/SignedAdaptiveCard";>
<meta itemprop="@context" content="http://schema.org/extensions"; />
<meta itemprop="@type" content="SignedAdaptiveCard" />
<div itemprop="signedAdaptiveCard"
style="mso-hide:all;display:none;max-height:0px;overflow:hidden;">
...Base64Data...
</div>
</section>
Although this mostly affects Microsoft Teams, I've seen something similar from
at least one other sender. The attached patch fixes the issue by ignoring
invisible text.
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