prepared, but not tested

src/main/java/de/jottyfan/camporganizer/config/SecurityConfig.java

@@ -58,8 +58,8 @@ public class SecurityConfig extends KeycloakWebSecurityConfigurerAdapter {
 		http.authorizeRequests()
 		// @formatter:off
 		  .antMatchers("/dashboard/**", "/business/**", "/confirmation/**").authenticated()
-  		.anyRequest().permitAll();
-  	// @formatter:on
+		  .anyRequest().permitAll();
+		// @formatter:on
 //		http.anonymous().disable();
 		http.csrf().disable();
 	}

src/main/java/de/jottyfan/camporganizer/module/registration/KeycloakRepository.java

@@ -1,10 +1,23 @@
 package de.jottyfan.camporganizer.module.registration;
 
+import java.util.Collections;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.Status;
+
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.jboss.resteasy.client.jaxrs.internal.ResteasyClientBuilderImpl;
+import org.keycloak.OAuth2Constants;
+import org.keycloak.admin.client.KeycloakBuilder;
+import org.keycloak.admin.client.resource.UsersResource;
+import org.keycloak.representations.idm.CredentialRepresentation;
+import org.keycloak.representations.idm.UserRepresentation;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Repository;
 
+
 /**
  *
  * @author henkej
@@ -23,6 +36,12 @@ public class KeycloakRepository {
 	@Value("${keycloak.realm:ow}")
 	private String keycloakRealm;
 
+	@Value("${keycloak.admin.name:admin")
+	private String keycloakAdminName;
+
+	@Value("${keycloak.admin.password:password")
+	private String keycloakAdminPassword;
+
 	/**
 	 * get the url of the user client
 	 *
@@ -37,17 +56,59 @@ public class KeycloakRepository {
 	/**
 	 * register the login in keycloak
 	 *
-	 * @param login
-	 * @param password
+	 * @param login the username
+	 * @param password the password
+	 * @param email the email
+	 * @return true or false
 	 */
-	public void register(String login, String password) {
-		// TODO: check for trailing and leading /
-		String registrationUrl = String.format("%s/admin/realms/%s/users", keycloakUrl, keycloakRealm);
-		// see
-		// https://www.keycloak.org/docs-api/17.0/rest-api/index.html#_users_resource
-		// https://canada1.discourse-cdn.com/free1/uploads/keycloak/original/2X/3/379bbfe8857de117771149174a96e4216ebe9c76.png
-		// TODO Auto-generated method stub
-		LOGGER.error("not yet implemented registration of user {} in keycloak", login);
+	public boolean register(String login, String password, String email) {
+		CredentialRepresentation passwordCredentials = new CredentialRepresentation();
+        passwordCredentials.setTemporary(false);
+        passwordCredentials.setType(CredentialRepresentation.PASSWORD);
+        passwordCredentials.setValue(password);
+
+        UserRepresentation user = new UserRepresentation();
+	    user.setUsername(login);
+	    user.setEmail(email);
+	    user.setCredentials(Collections.singletonList(passwordCredentials));
+	    user.setEnabled(true);
+
+	    UsersResource instance = getInstance();
+	    Response response = instance.create(user);
+	    boolean result = Status.OK.equals(response.getStatusInfo());
+	    sendVerificationLink(login);
+	    return result;
+	}
+
+	public Client getClient() {
+		return new ResteasyClientBuilderImpl()
+        .connectionPoolSize(10)
+        .build();
+	}
+
+	public KeycloakBuilder getKeycloak() {
+		return KeycloakBuilder.builder()
+                .serverUrl(keycloakUrl)
+                .realm(keycloakRealm)
+                .grantType(OAuth2Constants.PASSWORD)
+                .username(keycloakAdminName)
+                .password(keycloakAdminPassword)
+                .clientId(keycloakClientId)
+                .resteasyClient(getClient());
+	}
+
+	public UsersResource getInstance() {
+        return getKeycloak().build().realm(keycloakRealm).users();
+    }
+
+	/**
+	 * send a verification link for newly registered users
+	 *
+	 * @param userId the ID of the user
+	 */
+	public void sendVerificationLink(String userId) {
+		UsersResource usersResource = getInstance();
+		usersResource.get(userId).sendVerifyEmail();
 	}
 
 }