I have written a OutputFilter that finds a string in a response and replaces the string with another. It works fine with static files, but not on response from a reverse proxy, and that is just what I want to achieve. I'm trying to run my Outlook Web Access backend behind an Apache frontend.
Running Apache::Clean for instance does work on reverse proxied content, it seems.
are you saying that Apache::Clean works fine but your altered code does not? I didn't see anything in your code that looked unusual. if you could reduce the Apache::Clean test suite to a minimal code + test that reproduced your problem it would help alot.
Michael's filter is different in a sense that it may enlarge the original input, whereas Apache::Clean always shrinks it. So in this code:
while ($f->read(my $buffer, BUFF_LEN)) {
$buffer =~ s/$src/$dst/ig;
$f->print($buffer);
}perl never allocates extra memory for
$buffer =~ s/$src/$dst/ig;
whereas in Michael's case it will if length($src) < length($dst). Michael, if you test with length($src) == length($dst), does the problem go away?
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