io.github.microcks.web.KeycloakConfigController.java Source code

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Here is the source code for io.github.microcks.web.KeycloakConfigController.java

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/*
 * Licensed to Laurent Broudoux (the "Author") under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Author licenses this
 * file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package io.github.microcks.web;

import com.fasterxml.jackson.annotation.JsonProperty;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

/**
 * A Rest controller for dispatching Keycloak configuration to frontend.
 * @author laurent
 */
@RestController
@RequestMapping("/api/keycloak")
public class KeycloakConfigController {

    /** A simple logger for diagnostic messages. */
    private static Logger log = LoggerFactory.getLogger(KeycloakConfigController.class);

    @Value("${keycloak.auth-server-url}")
    private final String keycloakServerUrl = null;

    @Value("${keycloak.realm}")
    private final String keycloakRealmName = null;

    @RequestMapping(value = "/config", method = RequestMethod.GET)
    public ResponseEntity<?> getConfig() {
        final Config config = new Config(keycloakRealmName, keycloakServerUrl);

        log.debug("Returning '{}' realm config, for {}", keycloakRealmName, keycloakServerUrl);

        return new ResponseEntity<>(config, HttpStatus.OK);
    }

    private class Config {

        private String realm = "microcks";

        @JsonProperty("auth-server-url")
        private String authServerUrl = "http://localhost:8180/auth";

        @JsonProperty("ssl-required")
        private final String sslRequired = "external";

        @JsonProperty("public-client")
        private final boolean publicClient = true;

        private final String resource = "microcks-app-js";

        public Config(String realmName, String authServerUrl) {
            if (realmName != null && !realm.isEmpty()) {
                this.realm = realmName;
            }
            if (authServerUrl != null && !authServerUrl.isEmpty()) {
                this.authServerUrl = authServerUrl;
            }
        }

        public String getRealm() {
            return realm;
        }

        public String getAuthServerUrl() {
            return authServerUrl;
        }

        public String getSslRequired() {
            return sslRequired;
        }

        public boolean isPublicClient() {
            return publicClient;
        }

        public String getResource() {
            return resource;
        }
    }
}