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On Mon, 18 Apr 2016, [email protected] wrote:
I just spent a day butting my head against the fact that filter_begin()
is _always_ passed a multipart MIME message container that _never_ has a
useable $entity->bodyhandle(). This is not mentioned *anywhere*.
hmm, I would not rely on this assumption.
I'm still having trouble seeing it--apologies. Spent most of an hour
going through the presentation deck Saturday while writing the body
regex scanner and did not find anything that addresses it. Just looked
again searching the document for "body," "open," "text," "match"
"regex," "regular," "expression," "getline" and "match" with no luck.
Hmm,
because MIMEDefang internally breaks up the message into parts anyway and
feeds all parts to filter(), I would construct your code like so:
filter_begin {
$globalFlag = 0;
}
filter {
if($globalFlag == 0) { # first plain part ever
$globalFlag = 1;
if($type =~ m!\Atext/!i) {
scan that part
if(condition) {
$gloablFlag = 2; or drop/replace part right here and now
}
}
}
}
filter_end {
if($globalFlag == 2) {
full message processing
}
}
Of course, if you do no further processing, this looks like overhead.
- --
Steffen Kaiser
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