Re: [AMaViS-user] Subject Tag Templates with Macro Expansion

Joel Nimety wrote:
>
> Gary V wrote:
>> Joel wrote:
>>
>>> In our environment it would be useful to allow subject tag customization
>>> much like the existing ability to customize notifications using
>>> templates (including macro expansion). We currently have a requirement
>>> to add the raw spamassassin score to the subject or a confidence score
>>> (as a percentage, using the kill_level as 100%). If you don't mind,
>>> please answer a few questions before I get started...
>>> 1) Is anyone else working on such a functionality?
>>> 2) Is there a helper function for the notification templates that I can
>>> use for macro expansion?
>>> 3) Is add_forwarding_header_edits_per_recip the proper place to modify
>>> the subject_tag?
>>> Your comments are much appreciated.
>> http://marc.theaimsgroup.com/?l=amav...7239616558&w=2
>
> Thanks. I will use this patch as a starting point but I was going to
> implement something that could use the same/similar macro expansion as
> the notification templates. This way the subject_tag template could be
> defined on a per recipient basis using LDAP/SQL instead of harcoded in
> amavisd.

Since my first attempt at sending this is awaiting moderator approval...

Find below a first attempt at providing macro expansion within the
subject tag. Patch is against 2.4.2. I've tested it with LDAP but it
should work with SQL and spam_subject_tag*_maps as well. Two macros have
been added (kill_level and percent_score) for use in the subject.
Comments, suggestions, and criticism are welcome.

--- amavisd-new-2.4.2/amavisd 2006-06-27 07:31:56.000000000 -0400
+++ amavisd-new-2.4.2/amavisd 2006-07-12 12:38:32.000000000 -0400
@@ -8469,12 +8469,24 @@
}
my($subject_insert); # concatenation of triggered subject tag strings
if ($do_subj || $do_subj_u) {
+ my(%mybuiltins) = %builtins; # make a local copy
+ my($sl) = !defined($spam_level) ? 'x'
+ : 0+sprintf("%.3f",$spam_level); # trim fraction
+ $mybuiltins{'kill_level'} = lookup(0,$recip,
@{ca('spam_kill_level_maps')});
+ $mybuiltins{'percent_score'} = $sl eq 'x' ? 'x'
+ : $sl/$mybuiltins{'kill_level'}*100 > 100 ? 100
+ : 0+sprintf("%.3f", $sl/$mybuiltins{'kill_level'}*100);
if ($do_subj_u) {
$subject_insert = c('undecipherable_subject_tag');
+ my($strr) = expand(\$subject_insert, \%mybuiltins);
+ $subject_insert = $$strr; # replace with macro expanded copy
do_log(3,"adding %s, %s, %s",
$subject_insert, $any_undecipherable, $hold);
}
- $subject_insert .= $subject_tag if $do_subj;
+ if ($do_subj){
+ my($strr) = expand(\$subject_tag, \%mybuiltins);
+ $subject_insert .= $$strr; # append macro expanded copy
+ }
}
my($key) = join("\000", map {defined $_ ? $_ : ''} (
$do_tag_virus_checked, $do_tag_virus, $do_tag_banned, $do_tag_badh,


--
Joel Nimety




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