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Subject Topic: Reverse Proxy - Fixing Relative Links Post ReplyPost New Topic
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reach4thelasers
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Joined: 30 July 2011
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Posted: 31 July 2011 at 12:04am | IP Logged Quote reach4thelasers
I've successfully set up a reverse proxy that proxies
http://mydomain.com/admin to http://admin.mydomain.com it
works fine.

Now the relative links in the pages need to be corrected.
href="/" should be href="/admin"
href="/home/index" should be href="/admin/home/index"

I'm using mod_replace to change the links in the page.
The following works fine, but it only changes the link on
the first matched item on the page and leaves the rest
untouched. How do I make it change all the links, not
just the first?

ReplaceFilterDefine revproxy CaseIgnore
ReplacePattern revproxy href="(/.*)" href="/admin\1"
SetEnv mod_replace revproxy
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reach4thelasers
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Joined: 30 July 2011
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Posted: 31 July 2011 at 5:44am | IP Logged Quote reach4thelasers
I am still trying to work this out. Its causing me a huge
headache. I think it might have something to do with the
quotes in the regex - which are valid characters for use in
a regular expression (no escaping required) but also seem
to be used by the mod_replace parser for delimiting strings
according to the examples on the mod_replace page.

The weird thing is ReplacePatter revproxy the foo
changes every instance of the word this, to foo. But for
some reason my regex above only works on the first match.
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reach4thelasers
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Joined: 30 July 2011
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Posted: 31 July 2011 at 6:28am | IP Logged Quote reach4thelasers
Can't say I'm terribly happy with this, seems a bit of a
hacky regex, but it works:


ReplaceFilterDefine revproxy CaseIgnore
ReplacePattern revproxy 'href="/' 'href="/admin/'
SetEnv mod_replace revproxy

So it looks like the problem was the .* - why would this
only match the first item?
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Vyacheslav
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Joined: 02 July 2008
Location: Ukraine
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Posts: 1542
Posted: 01 August 2011 at 4:06am | IP Logged Quote Vyacheslav
Hello.
Please try to use mod_seo instead:

Code:
SetEnv mod_seo
SeoRule ^(?!admin)(/.*)$ /admin$1 [NC,Scope=A]


or the following code for mod_replace:
Code:
ReplaceFilterDefine revproxy CaseIgnore
ReplacePattern revproxy 'href="(/[^\s]*?)"' 'href="/admin\1"'
SetEnv mod_replace revproxy


__________________
Slavik Shynkarenko,
Helicon Tech.
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