RadiusAuthorizationJSExample

Assign Attributes dynamically using javascript policy (https://www.keycloak.org/docs/latest/authorization_services/#_policy_js)

Example Description

if the current minute is divisible by 2 then assign attribute "REJECT_RADIUS" and reject access-request even with valid password

Expected result

Current Minute	RESULT
1	REJECT
2	ACCEPT
3	REJECT
...	...
15	REJECT
30	ACCEPT
...	...
58	ACCEPT
59	REJECT

Build and Start

1. build and run keycloak 1.1 docker

     docker run -p 8090:8080 -p1812:1812/udp -p1813:1813/udp -e JAVA_OPTS="-Dkeycloak.profile.feature.scripts=enabled -Dkeycloak.profile.feature.upload_scripts=enabled -server -Xms64m -Xmx512m -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true" -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=admin  -v `pwd`/.:/example  -e KEYCLOAK_IMPORT=/example/authorization-realm.json  vassio/keycloak-radius-plugin start-dev
   

   1.2 release

   - download and unzip keycloak-radius.zip (https://github.com/vzakharchenko/keycloak-radius-plugin/releases)
   - unzip keycloak-radius.zip -d keycloak-radius
   - cd keycloak-radius
   - sh bin/standalone.sh   -Dkeycloak.profile.feature.upload_scripts=enabled  -c standalone.xml -b 0.0.0.0 -Djboss.bind.address.management=0.0.0.0 --debug 8190 -Djboss.http.port=8090
   

   1.3 Develop

   sudo apt-get install net-tools # Only once
   cd keycloak
   ./init.sh # Only once
   ./buildAndStart.sh

2. open http://localhost:8090/auth/ and initialize master realm with login/password.
3. open Administration Console
4. change admin theme to "radius" authorization-realm.json
5. import realm from file authorization-realm.json

User	password
testuser	testUser

RESOURCE	ATTRIBUTES
Reject Resource	REJECT_RADIUS = true

Policy	Policy Type
js_time_policy	JavaScript

js_time_policy code:

if (new Date().getMinutes()%2){
    $evaluation.grant();
} else{
    $evaluation.deny();
}

Permission	Resources	Policy
reject-permission	Reject Resource	js_time_policy

6. install example

cd Examples/RadiusAuthorizationJSExample
npm i
npm run start

7. open http://localhost:3001/
8. type login and password
9. click the "connect To Radius Server"

Expected result

Current Minute	RESULT
1	REJECT
2	ACCEPT
3	REJECT
...	...
15	REJECT
30	ACCEPT
...	...
58	ACCEPT
59	REJECT