test(oidc): test current keycloak implementation

Author: philwinder

.drone.yml

@@ -62,6 +62,10 @@ steps:
     TYPESENSE_API_KEY: typesense
     TEXT_EXTRACTION_TIKA_URL: http://tika:9998
     RAG_CRAWLER_LAUNCHER_URL: http://chrome:7317
+    KEYCLOAK_URL: http://keycloak:8080/auth
+    KEYCLOAK_FRONTEND_URL: http://keycloak:8080/auth/
+    KEYCLOAK_PASSWORD: REPLACE_ME
+    
   commands:
     - go test -v ./...
   when:
@@ -146,7 +150,18 @@ services:
     POSTGRES_USER: postgres
     POSTGRES_PASSWORD: postgres
     POSTGRES_DB: postgres
-
+- name: keycloak
+  image: quay.io/keycloak/keycloak:23.0
+  command: ["start-dev"]
+  environment:
+    KC_DB: postgres
+    KC_DB_URL: jdbc:postgresql://postgres:5432/postgres  # Unable to run scripts to create keycloak database, so using the default instead
+    KC_DB_USERNAME: postgres
+    KC_DB_PASSWORD: postgres
+    KEYCLOAK_ADMIN: admin
+    KEYCLOAK_ADMIN_PASSWORD: REPLACE_ME
+    KC_HOSTNAME_PATH: /auth
+    KC_HTTP_RELATIVE_PATH: /auth/
 ---
 kind: pipeline
 type: docker

api/pkg/auth/keycloak.go

@@ -165,6 +165,11 @@ func setRealmConfigurations(gck *gocloak.GoCloak, token string, cfg *config.Keyc
 			return fmt.Errorf("setRealmConfiguration: error decoding realm.json: %s", err.Error())
 		}
 
+		// Initialize attributes if not set
+		if keycloakRealmConfig.Attributes == nil {
+			keycloakRealmConfig.Attributes = &map[string]string{}
+		}
+
 		_, err = gck.CreateRealm(context.Background(), token, keycloakRealmConfig)
 		if err != nil {
 			return fmt.Errorf("setRealmConfiguration: no Keycloak realm found, attempt to create realm failed with: %s", err.Error())
@@ -176,6 +181,11 @@ func setRealmConfigurations(gck *gocloak.GoCloak, token string, cfg *config.Keyc
 		}
 	}
 
+	// Initialize attributes if not set
+	if realm.Attributes == nil {
+		realm.Attributes = &map[string]string{}
+	}
+
 	attributes := *realm.Attributes
 	attributes["frontendUrl"] = cfg.KeycloakFrontEndURL
 	*realm.Attributes = attributes