Hi,
I see weird URI encoding behaviour from DefaultServlet when a redirect
occurs.
Context: Tomcat 5.5.25, with the Connector configured with
URIEncoding="UTF-8". User wants to list the contents of a directory
served by DefaultServlet. The directory's name contains a non-ASCII
character (e with acute accent, for example: Unicode x00E9).
Use case (see details in HTTP conversation transcript below):
1. User requests URL of a directory without a trailing /. The browser
encodes the special character as %C3%A9.
2. DefaultServlet responds with HTTP 302 redirection with trailing /
but does not encode the URI, so the non-ASCII character travels
unescaped.
3. The browser follows the redirection by encoding the e acute as %E9.
4. DefaultServlet rightfully responds with HTTP 404 because no
directory exists with whatever %E9 is unescaped into in its name.
When the user requests the same directory with the trailing /,
DefaultServlet serves the directory listing as expected.
I suspect someone forgot to encode the URI in the Location: HTTP header
on the 302 response, but maybe there is something missing in our
configuration?
Thanks for any insight,
Benoit
======== REQUEST from a browser ==========
http://localhost:8180/gv-publications/h%C3%A9h%C3%A9/draft
GET /gv-publications/h%C3%A9h%C3%A9/draft HTTP/1.1
Host: localhost:8180
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.14)
Gecko/20080418 Ubuntu/7.10 (gutsy) Firefox/2.0.0.14
Accept:
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: fr-fr,en;q=0.7,en-gb;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
======== 1st RESPONSE from Default Servlet =============
HTTP/1.x 302 Moved Temporarily
Server: Apache-Coyote/1.1
Location: http://localhost:8180/gv-publications/héhé/draft/
Transfer-Encoding: chunked
Date: Wed, 23 Apr 2008 13:02:13 GMT
======== 2nd REQUEST by browser (following redirection) =======
http://localhost:8180/gv-publications/h%E9h%E9/draft/
GET /gv-publications/h%E9h%E9/draft/ HTTP/1.1
Host: localhost:8180
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.14)
Gecko/20080418 Ubuntu/7.10 (gutsy) Firefox/2.0.0.14
Accept:
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: fr-fr,en;q=0.7,en-gb;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
======== 2nd RESPONSE from Default Servlet =============
HTTP/1.x 404 /gv-publications/h%E9h%E9/draft/
Server: Apache-Coyote/1.1
Content-Type: text/html;charset=utf-8
Content-Length: 1168
Date: Wed, 23 Apr 2008 13:02:13 GMT
======== End of HTTP conversation =======================
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