https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8283
Bug ID: 8283
Summary: Negating matches in URIDetail
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
Negative matching in uri_detail rules is tricky because keys can contain
multiple values. For example, consider the following data structure:
{
host => {
'id.me' => 1,
'example.com' => 1,
},
text => [
'Login to ID.me'
]
}
The rule 'host !~ /^id\.me$/' would be true, because 'example.com' does not
match the regex. Currently, there is no way to check if ALL hosts do not match.
I am proposing a patch that introduces an alternative syntax:
'!host =~ /^id\.me$/'
which is the logical negation of 'host =~ /^id\.me$/'. This rule would only be
true if all hosts do not match the regex.
The new syntax is IN ADDITION TO the existing syntax so it's not a breaking
change.
I've been using this in production for awhile. If there are no comments after a
few days I will go ahead and commit.
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