Squid Url Rewriter

This program is for url_rewrite_program, and concurrency support.

Require: squid-3.4+

Install

go get github.com/rchunping/squid-urlrewrite

squid config:

url_rewrite_program /path/to/squid-urlrewrite
url_rewrite_children 20 startup=1 idle=1 concurrency=10000

rewrite config file location:

search in this order:
/<program_dir>/squid-urlrewrite.conf
/usr/local/etc/squid-urlrewrite.conf
/etc/squid-urlrewrite.conf

squid-urlrewrite.conf example:

# example

# loglevel
# info: default
# debug: more detail info
# log messages are write to syslog
loglevel debug

# rewrite  <regexp> <target>
# redirect <regexp> [301;]<target>

rewrite  ^https?://webserver\.domain\.com/file/(\d+)/  http://192.168.1.3:1234/backend/file/read?file_id=$1

redirect ^(https?://)domain\.com/(.*)$		    301;$1www.domain.com/$2

redirect ^(https?://)www\.domain2\.com/(.*)$	    $1www2.domain2.com/$2   

reload configure

kill -HUP <pid of squid-urlrewrite>

or

squid -k reconfigure

Test

$ ./squid-urlrewrite
1 http://webserver.domain.com/file/123/test.png  // <-- input
1 OK rewrite-url="http://192.168.1.3:1234/backend/file/read?file_id=123" // <-- response
2 http://github.com
2 ERR // <-- It's ok, means no rewrite rule matched.
3 http://domain.com/index.html
3 OK status=301 url="http://www.domain.com/index.html" <-- 301 redirect

About squid redirector

http://wiki.squid-cache.org/Features/Redirectors