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JureZe
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Keycloak api and keyclak example
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‎scribejava-apis/src/main/java/com/github/scribejava/apis/KeyloackApi.java‎

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package com.github.scribejava.apis;
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import com.github.scribejava.apis.openid.OpenIdJsonTokenExtractor;
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import com.github.scribejava.core.builder.api.DefaultApi20;
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import com.github.scribejava.core.builder.api.OAuth2SignatureType;
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import com.github.scribejava.core.extractors.TokenExtractor;
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import com.github.scribejava.core.model.OAuth2AccessToken;
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public class KeyloackApi extends DefaultApi20 {
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private String baseUrl = "http://localhost:8080";
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private String realm = "master";
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public void setBaseUrl(String baseUrl) {
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this.baseUrl = baseUrl + (baseUrl.endsWith("/")? "" : "/");
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}
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public void setRealm(String realm) {
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this.realm = realm;
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}
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protected KeyloackApi() {
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}
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private static class InstanceHolder {
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private static final KeyloackApi INSTANCE = new KeyloackApi();
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}
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public static KeyloackApi instance() {
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return KeyloackApi.InstanceHolder.INSTANCE;
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}
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@Override
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public String getAccessTokenEndpoint() {
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return baseUrl + "auth/realms/" + realm + "/protocol/openid-connect/token";
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}
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@Override
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protected String getAuthorizationBaseUrl() {
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return baseUrl + "auth/realms/" + realm + "/protocol/openid-connect/auth";
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}
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@Override
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public OAuth2SignatureType getSignatureType() {
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return OAuth2SignatureType.BEARER_AUTHORIZATION_REQUEST_HEADER_FIELD;
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}
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@Override
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public TokenExtractor<OAuth2AccessToken> getAccessTokenExtractor() {
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return OpenIdJsonTokenExtractor.instance();
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}
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@Override
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public String getRevokeTokenEndpoint() {
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throw new RuntimeException("Not implemented yet");
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}
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}

‎scribejava-apis/src/test/java/com/github/scribejava/apis/examples/KeyloackExample.java‎

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package com.github.scribejava.apis.examples;
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import com.github.scribejava.apis.KeyloackApi;
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import com.github.scribejava.core.builder.ServiceBuilder;
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import com.github.scribejava.core.model.OAuth2AccessToken;
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import com.github.scribejava.core.model.OAuthRequest;
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import com.github.scribejava.core.model.Response;
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import com.github.scribejava.core.model.Verb;
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import com.github.scribejava.core.oauth.OAuth20Service;
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import java.io.IOException;
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import java.util.Scanner;
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import java.util.concurrent.ExecutionException;
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public final class KeyloackExample {
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private static final String BASE_URL = "https://sicas.setcce.si";
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private static final String REALM = "TEST_SP";
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private static final String PROTECTED_RESOURCE_URL = BASE_URL + "/auth/realms/" + REALM + "/protocol/openid-connect/userinfo";
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private KeyloackExample() {
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}
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public static void main(String... args) throws IOException, InterruptedException, ExecutionException {
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// Replace these with your own api key and secret
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final String apiKey = "TEST_SP";
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final String apiSecret = "c9e04342-23e2-433a-a644-5af2a6c5d015";
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final KeyloackApi keyloackApi = KeyloackApi.instance();
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keyloackApi.setBaseUrl(BASE_URL);
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keyloackApi.setRealm(REALM);
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final OAuth20Service service = new ServiceBuilder(apiKey)
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.apiSecret(apiSecret)
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.scope("openid")
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.callback("http://najdi.si")
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.build(keyloackApi);
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final Scanner in = new Scanner(System.in);
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System.out.println("=== Keyloack's OAuth Workflow ===");
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System.out.println();
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// Obtain the Authorization URL
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System.out.println("Fetching the Authorization URL...");
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final String authorizationUrl = service.getAuthorizationUrl();
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System.out.println("Got the Authorization URL!");
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System.out.println("Now go and authorize ScribeJava here:");
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System.out.println(authorizationUrl);
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System.out.println("And paste the authorization code here");
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System.out.print(">>");
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final String code = in.nextLine();
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System.out.println();
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// Trade the Request Token and Verfier for the Access Token
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System.out.println("Trading the Request Token for an Access Token...");
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final OAuth2AccessToken accessToken = service.getAccessToken(code);
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System.out.println("Got the Access Token!");
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System.out.println("(The raw response looks like this: " + accessToken.getRawResponse() + "')");
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System.out.println();
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// Now let's go and ask for a protected resource!
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System.out.println("Now we're going to access a protected resource...");
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final OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
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service.signRequest(accessToken, request);
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final Response response = service.execute(request);
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System.out.println("Got it! Lets see what we found...");
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System.out.println();
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System.out.println(response.getCode());
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System.out.println(response.getBody());
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System.out.println();
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System.out.println("Thats it man! Go and build something awesome with ScribeJava! :)");
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}
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}

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