https://bz.apache.org/bugzilla/show_bug.cgi?id=62667
Bug ID: 62667
Summary: RewriteMap not working with %{HTTP_HOST}
Product: Tomcat 9
Version: 9.0.x
Hardware: PC
OS: Linux
Status: NEW
Severity: critical
Priority: P2
Component: Catalina
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: -----
When passing %{HTTP_HOST} as the key to a RewriteMap the lookup function only
passes the path of the page «/test/tespage» and not the host «test.example.com»
The URL sent to Tomcat is: http://test.example.com/test/testpage
In our example the %{HTTP_HOST} returns test.example.com which is ok.
But referenced inside RewriteRule with input to map function it fails.
rewrite.conf:
RewriteMap portals org.apache.catalina.valves.rewrite.EPSMapPage
/usr/local/tomcat/easier-conf/portals.txt
RewriteRule .* ${portals:%{HTTP_HOST}}
The EPSMapPage is a rewrite map class we have made according to tomcat valve
documentation and we have checked that this class works correct.
So this portion of the RewriteRule ${portals:%{HTTP_HOST}} should feed in
test.example.com (%{HTTP_HOST}) to map portals but actually it feeds in
/test/testpage not the hostname.
org.apache.catalina.valves.rewrite.EPSMapPage
public String lookup(String key) {
System.out.println("Key: " + key);
return map.get(key.substring(1));
}
console output:
Key: /test/testpage
When using
RewriteRule .* %{HTTP_HOST}
it works at expected And redirects to
test.example.com/test.example.com
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