When using the 1.2.0 CAS authentication extension firefox will not
redirect to the CAS login page.
I can see in the FF console output that it is unable to load the app.js
script.
What I have found is that when using the 1.2.0 CAS extension there is an
error when downloading app.js
This can be seen in at least Firefox, wget and curl. Curl verbose output
is included below.
The whole file is actually downloaded, but I guess the transfer error
causes FF not to load the script.
I have not been able to relate this to any errors in the log (even with
trace log level).
This setup is running on "Debian GNU/Linux 10 (buster)" in Tomcat 9.0.31
and using OpenJDK RE 11.0.7+10-post-Debian-3deb10u1
When using 1.1.0 CAS extension everything works fine, so that is our
workaround at this time.
Maybe this will help someone or the developers to find the root cause.
Using guacamole-auth-cas-1.2.0.jar:
root@guacamole:/tmp# curl -s -v -O localhost:8080/guacamole/app.js
* Expire in 0 ms for 1 (transfer 0x561a292cef50)
* Expire in 0 ms for 1 (transfer 0x561a292cef50)
* Expire in 0 ms for 1 (transfer 0x561a292cef50)
* Trying ::1...
* TCP_NODELAY set
* Expire in 149999 ms for 3 (transfer 0x561a292cef50)
* Expire in 200 ms for 4 (transfer 0x561a292cef50)
* Connected to localhost (::1) port 8080 (#0)
GET /guacamole/app.js HTTP/1.1
Host: localhost:8080
User-Agent: curl/7.64.0
Accept: */*
< HTTP/1.1 200
< Last-Modified: Thu, 02 Jul 2020 07:13:25 GMT
< Content-Type: application/javascript
< Transfer-Encoding: chunked
< Date: Thu, 02 Jul 2020 07:14:12 GMT
<
{ [8026 bytes data]
* transfer closed with outstanding read data remaining
* Closing connection 0
root@guacamole:/tmp#
Using guacamole-auth-cas-1.1.0.jar:
root@guacamole:/tmp# curl -s -v -O localhost:8080/guacamole/app.js
* Expire in 0 ms for 1 (transfer 0x56151a7f0f50)
* Expire in 0 ms for 1 (transfer 0x56151a7f0f50)
* Expire in 0 ms for 1 (transfer 0x56151a7f0f50)
* Trying ::1...
* TCP_NODELAY set
* Expire in 149999 ms for 3 (transfer 0x56151a7f0f50)
* Expire in 200 ms for 4 (transfer 0x56151a7f0f50)
* Connected to localhost (::1) port 8080 (#0)
GET /guacamole/app.js HTTP/1.1
Host: localhost:8080
User-Agent: curl/7.64.0
Accept: */*
< HTTP/1.1 200
< Last-Modified: Thu, 02 Jul 2020 07:15:52 GMT
< Content-Type: application/javascript
< Transfer-Encoding: chunked
< Date: Thu, 02 Jul 2020 07:15:57 GMT
<
{ [8026 bytes data]
* Connection #0 to host localhost left intact
root@guacamole:/tmp#
Thanks for the excellent work on Guacamole
--
Andreas Sundstrom
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