update code to be compatible with keycloak 16

magic-link/src/main/java/org/keycloak/experimental/magic/MagicLinkFormAuthenticator.java

@@ -16,21 +16,26 @@
  */
 
 package org.keycloak.experimental.magic;
+import java.util.HashMap;
+import org.keycloak.email.freemarker.beans.ProfileBean;
 
+import java.util.Map;
+import java.util.Collections;
 import org.keycloak.authentication.AuthenticationFlowContext;
 import org.keycloak.authentication.AuthenticationFlowError;
 import org.keycloak.authentication.Authenticator;
 import org.keycloak.authentication.authenticators.browser.AbstractUsernameFormAuthenticator;
 import org.keycloak.common.util.KeycloakUriBuilder;
-import org.keycloak.email.EmailException;
+import org.keycloak.email.freemarker.FreeMarkerEmailTemplateProvider;
 import org.keycloak.email.EmailSenderProvider;
+import org.keycloak.email.EmailTemplateProvider;
 import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.UserModel;
 import org.keycloak.models.utils.KeycloakModelUtils;
+import org.keycloak.theme.FreeMarkerUtil;
 
 import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.Response;
 
 /**
  * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
@@ -40,39 +45,63 @@ public class MagicLinkFormAuthenticator extends AbstractUsernameFormAuthenticato
     @Override
     public void action(AuthenticationFlowContext context) {
         MultivaluedMap<String, String> formData = context.getHttpRequest().getDecodedFormParameters();
-        String email = formData.getFirst("email");
-
-        UserModel user = context.getSession().users().getUserByEmail(email, context.getRealm());
-        if (user == null) {
-            // Register user
-            user = context.getSession().users().addUser(context.getRealm(), email);
-            user.setEnabled(true);
-            user.setEmail(email);
-
-            // Uncomment the following line to require user to update profile on first login
-            // user.addRequiredAction(UserModel.RequiredAction.UPDATE_PROFILE);
-        }
-
-        String key = KeycloakModelUtils.generateId();
-        context.getAuthenticationSession().setAuthNote("email-key", key);
-
-        String link = KeycloakUriBuilder.fromUri(context.getRefreshExecutionUrl()).queryParam("key", key).build().toString();
-        String body = "<a href=\"" + link + "\">Click to login</a>";
-        try {
-            context.getSession().getProvider(EmailSenderProvider.class).send(context.getRealm().getSmtpConfig(), user, "Login link", null, body);
-        } catch (EmailException e) {
-            e.printStackTrace();
-        }
-
-        context.setUser(user);
-        context.challenge(context.form().createForm("view-email.ftl"));
+        String email = formData.getFirst("email").trim();
+        System.out.println(email);
+        System.out.println(context.getRealm().getName());
+        String realmName = context.getRealm().getName() ;
+
+        // Uncomment this block if you want to filter       //
+        // the keycloack access to a specific email domaine //
+
+        /*if (
+          (!email.endsWith("@gruion.com") && realmName.equals("gruion.com"))
+        ){
+          context.challenge(context.form().createForm("view-error-domain.ftl"));
+          return;
+        }else{*/
+          UserModel user = context.getSession().users().getUserByEmail(email, context.getRealm());
+          if (user == null) {
+              // Register user
+              user = context.getSession().users().addUser(context.getRealm(), email);
+              user.setEnabled(true);
+              user.setEmail(email);
+
+              // Uncomment the following line to require user to update profile on first login
+              // user.addRequiredAction(UserModel.RequiredAction.UPDATE_PROFILE);
+          }
+
+          String key = KeycloakModelUtils.generateId();
+          context.getAuthenticationSession().setAuthNote("email-key", key);
+
+          String link = KeycloakUriBuilder.fromUri(context.getRefreshExecutionUrl()).queryParam("key", key).build().toString();
+          try {
+
+            Map<String, Object> attributes = new HashMap<>();
+            attributes.put("realmName", realmName);
+            attributes.put("link", link);
+            FreeMarkerEmailTemplateProvider emailTemplateProvider = new FreeMarkerEmailTemplateProvider(context.getSession(), new FreeMarkerUtil());
+            emailTemplateProvider.setRealm(context.getRealm());
+            emailTemplateProvider.setUser(user);
+            String subject = "Login to " + realmName;
+            emailTemplateProvider.send(subject,Collections.emptyList(), "email-magic-link.ftl", attributes);
+
+          } catch (Exception e) {
+              context.challenge(context.form().createForm("view-error.ftl"));
+              e.printStackTrace();
+              return;
+          }
+
+          context.setUser(user);
+          context.challenge(context.form().createForm("view-email.ftl"));
+
+        //}
     }
 
     @Override
     public void authenticate(AuthenticationFlowContext context) {
         String sessionKey = context.getAuthenticationSession().getAuthNote("email-key");
         if (sessionKey != null) {
-            String requestKey = context.getHttpRequest().getUri().getQueryParameters().getFirst("key");
+            String requestKey = context.getUriInfo().getQueryParameters().getFirst("key");
             if (requestKey != null) {
                 if (requestKey.equals(sessionKey)) {
                     context.success();

magic-link/src/main/resources/theme-resources/messages/messages_en.properties

@@ -0,0 +1,3 @@
+TitleEmail=Welcome to {0}
+FooterEmail=<div style="font-family:'Helvetica Neue',Arial,sans-serif;font-size:14px;line-height:20px;text-align:left;">Best regards,<br><br> Magic Link<br><a href="https://github.com/stianst/keycloak-containers-demo" style="color:#2F67F6">code source </a></div>
+LogoEmail=https://www.keycloak.org/resources/favicon.ico