Hello,

As a new user of CAS, I'd like to voice my opinion that the official 
documentation of how one can get started with CAS is just awful. By this I 
mean not the lack of it, but rather how indirect, not step-by-step it is. 
Clarity could often be improved too.

In the end I managed to do what I hoped for, ie investigate CAS locally as 
an SSO solution, for which I needed to (1) run CAS server locally, (2) 
connect and authenticate using a simple CAS client locally, (3) run the 
service management app. However, the difficulty I had at most steps of 
getting it all to work make me really want to use something else even if I 
have to implement parts of it from scratch..

Only now, when wanting to post this message, did I find this helpful guide: 
https://dacurry-tns.github.io/deploying-apereo-cas/ Could the CAS team 
incorporate some step-by-step tutorial like this into the official 
documentation?

These threads seem to voice a similar concern:
https://groups.google.com/a/apereo.org/forum/#!searchin/cas-user/documentation/cas-user/z3BLJ0IQwZ0/wRybEK1LAQAJ
https://groups.google.com/a/apereo.org/forum/#!searchin/cas-user/documentation/cas-user/qaAINooFi1s/D3k7Pr-7BQAJ

I'm also posting the notes I made for myself during the process. I wouldn't 
have written them if there was something like this available in official 
docs, or I had found the unofficial guide earlier. I'm adding **** to 
points that took me particularly long to figure out.

*Building*
- Described here: https://apereo.github.io/cas/developer/Build-Process.html
- git clone --depth=1 --single-branch --branch=master 
[email protected]:apereo/cas.git cas-server
- cd cas-server
- git checkout master
- ./gradlew build install --parallel -x test -x javadoc -x check

*Config*
- Default config dir is /etc/cas/config (may need to be created, given 
permissions) If you create application.properties in there, CAS seems to 
pick them up. ****
- You can override in there any properties listed on 
https://apereo.github.io/cas/development/installation/Configuration-Properties.html

*Keys*
- keytool -genkey -alias cas -keyalg RSA -validity 999 -keystore 
/etc/cas/thekeystore -ext san=dns:cas-sso.local
- Add 127.0.0.1 cas-sso.local to /etc/hosts
- keytool -export -file /etc/cas/config/cas.crt -keystore 
/etc/cas/thekeystore -alias cas
- sudo keytool -import -file /etc/cas/config/cas.crt -alias cas -keystore 
$JAVA_HOME/jre/lib/security/cacerts (default password to cacerts is 
changeit)
- Add the following lines to application.properties in CAS config dir (with 
whatever password you set up for /etc/cas/thekeystore) ****
server.ssl.keyStorePassword=qwer1234
server.ssl.keyPassword=qwer1234

*Adding JSON service registry (to get a sample client registered)*
- Add line >>compile 
"org.apereo.cas:cas-server-support-json-service-registry:5.2.0-SNAPSHOT"<< 
to the file cas-server/webapp/cas-server-webapp-tomcat/build.gradle, 
replacing 5.2.0-SNAPSHOT with whatever version of CAS you have. The version 
can be figured out after starting CAS (is displayed). ****
- Recompile the whole thing as above.
- Add the following lines to application.properties in CAS config dir: ****
cas.serviceRegistry.watcherEnabled=true
cas.serviceRegistry.repeatInterval=10
cas.serviceRegistry.startDelay=1
cas.serviceRegistry.initFromJson=true
- Add json file with service defs in directory 
cas-server/webapp/resources/services (the server seems to display which 
directory it watches after start).
{
  "@class" : "org.apereo.cas.services.RegexRegisteredService",
  "serviceId" : "http://localhost/.*";, ****
  "name" : "testId",
  "id" : 1,
  "accessStrategy" : {
  "@class" : 
"org.apereo.cas.services.DefaultRegisteredServiceAccessStrategy",
  "enabled" : true,
  "ssoEnabled" : true
  }
}

*Getting access to /status/dashboard endpoint *****
- Add the following lines to application.properties in CAS config dir:
cas.adminPagesSecurity.ip=127\.0\.0\.1
cas.monitor.endpoints.enabled=true
cas.monitor.endpoints.sensitive=false

*Running*
- cd webapp/cas-server-webapp-tomcat
- ../../gradlew build bootRun --parallel

*Simple client*
- git clone [email protected]:apereo/phpCAS.git
- cd phpCAS
- Copy docs/examples/config.example.php to docs/examples/config.php and 
edit:
// Full Hostname of your CAS Server
$cas_host = 'cas-sso.local';
// Context of the CAS Server
$cas_context = '/cas';
// Port of your CAS server. Normally for a https server it's 443
$cas_port = 8443;
- Make the file docs/examples/example_simple.php accessible by www.
- Navigate to http://localhost/phpCAS/docs/examples/example_simple.php

*Service management app*
- Based on https://github.com/apereo/cas-services-management-overlay
- git clone [email protected]:apereo/cas-services-management-overlay.git
- cd cas-services-management-overlay
- ./build.sh package
- This creates target/cas-management.war, which should be deployed to 
Tomcat. Make sure Tomcat uses the same Java as CAS server. Otherwise, it 
won't find the SSL keys in the Java truststore. ****
- On first run, it copies various files from cas/config into 
/etc/cas/config. You may want to update management.properties as follows, 
in particular:
# CAS server that management app will authenticate with
# This server will authenticate for any app (service) and you can login as 
casuser/Mellon
cas.server.name: https://cas-sso.local:8443/
cas.server.prefix: https://cas-sso.local:8443/cas
cas.mgmt.adminRoles[0]=ROLE_ADMIN
cas.mgmt.userPropertiesFile=file:/etc/cas/config/users.properties
# Update this URL to point at server running this management app
cas.mgmt.serverName=http://localhost:8080
server.context-path=/cas-management
server.port=8080
logging.config=file:/etc/cas/config/log4j2-management.xml
- http://localhost:8080/cas-management

*Conclusions*
- Really painful to set up.
- CAS documentation is very unclear, tons of linked documents, not sure 
where to find information.
- Wonder if better to do OAuth2 even if redirecting to Google / FB needs to 
be implemented from scratch.

---

With all that, thank you for writing and maintaining this software. It does 
seem like a good choice for SSO solutions - but the initial learning curve 
shouldn't be quite so sharp.

Jan

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