I have a rule like the following where I am trying to replace instances of
/spf/ with /ec/apps/symmetry/spf/. I’ve used sub_filter to do this sort of
thing before and had luck with it.
location /ec/apps/symmetry/ {
proxy_pass
http://stl-biz-d2-hrxsymmetry.devapp.c9.equifax.com:55943/;
proxy_redirect / https://$host/ec/apps/symmetry/;
#sub filter doesn't work if the upstream server returns compressed
or zipped content.
proxy_set_header Accept-Encoding identity;
sub_filter once off; # doesn’t seem to have an effect
sub_filter '/spf/' '/ec/apps/symmetry/spf/';
add_header X-nginx-rule /ec/apps/symmetry;
}
The thing I am seeing here is that even though I specified sub_filter_once off
I still only see the first link modified in the html that comes back. When
this html is returned
<html>
<head>
<title> Welcome </title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="robots" content="noindex,nofollow"/>
<script type="text/javascript"
src="/spf/resources/js/jquery.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/bootstrap.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/underscore.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/beautify-html.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/jquery-zoom.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/spf-new-all.js?v=spf_2017-R5"></script>
<link href="/spf/resources/css/bootstrap.css?v=spf_2017-R5"
type="text/css" media="all" rel="stylesheet">
<link href="/spf/resources/css/main.css?v=spf_2017-R5" type="text/css"
media="all" rel="stylesheet">
This is what I see coming out of nginx:
<html>
<head>
<title> Welcome </title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="robots" content="noindex,nofollow"/>
<script type="text/javascript"
src="/ec/apps/symmetry/spf/resources/js/jquery.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/bootstrap.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/underscore.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/beautify-html.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/jquery-zoom.js?v=spf_2017-R5"></script>
<script type="text/javascript"
src="/spf/resources/js/spf-new-all.js?v=spf_2017-R5"></script>
<link href="/spf/resources/css/bootstrap.css?v=spf_2017-R5"
type="text/css" media="all" rel="stylesheet">
<link href="/spf/resources/css/main.css?v=spf_2017-R5" type="text/css"
media="all" rel="stylesheet">
I can see that “X-nginx-rule” header show up in the browser confirming that
the request traversing this location block. The fact that anything is modified
tells me that gzip and content-type are not getting in the way. sub_filter is
filtering, it’s just only doing it one time ☺.
I was able to work around this by just accepting /spf/ in another location
block but for future reference – has anyone seen sub_filter only make one
substitution even when sub_filter once off is specified?
Jason Whittington | Architect, PD Shared Services
[cid:[email protected]]
WORKFORCE
SOLUTIONS
(o) 314.214.7163 | (m) 636.284.4082
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