On 14/10/2016 10:51, André Warnier (tomcat) wrote: > On 14.10.2016 10:05, Mark Thomas wrote: >> On 13/10/2016 16:04, Campbell, Lance wrote: >>> Tomcat 8.0.38 >>> >>> In my Eclipse development environment when particular servlet >>> requests are made I want to simulate going through Shibboleth prior >>> to Tomcat handling the request. I wanted to see if this will work. >>> >>> In Eclipse within each dynamic web application I would add a valve to >>> the context.xml file. >>> >>> The valve would: >>> >>> 1) Check the URL request. >>> >>> 2) If the URL string matches a list then it will add particular >>> name value pairs to the request. >>> >>> Example of a possible valve: >>> >>> <Valve className="my.valves.ShibbolethSimulationValve" /> >>> >>> >>> 1) Can a valve actually identify a particular URL path? >> >> Yes. Valves have access to Tomcat's internal request and response >> objects. >> >>> 2) Can a valve add an attribute to the request prior to the >>> servlet getting the request? >> >> Yes. > > Apologies for barging in. Does that mean that, at this point, the > request is still "mutable" ? (at the servlet filter level, it isn't, as > far as I know).
Mostly, yes since a Valve has direct access to the internals. In a Filter you are limited to what you can do with HttpServletRequest. It isn't completely immutable (setAttribute(), setCharacterEncoding(), changeSessionId()) but you have a lot less scope for changing the request. Mark > >> >>> 3) If item #1 and #2 will work does anyone have some base code >>> for a value that would get me started down the correct path? >> >> Have a look in the org.apache.catalina.valves package. SemaphoreValve >> and CrawlerSessionManagerValve should give you an idea. >> >> Note that you can also do all of the above with a Filter that isn't >> Tomcat specific and would, therefore, be usable with other containers as >> well. >> >> Mark >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
