wip: compiles and doesn't break startup

pom.xml

@@ -60,6 +60,12 @@
       <scope>provided</scope>
       <version>${keycloak.version}</version>
     </dependency>
+    <dependency>
+      <groupId>com.google.auto.service</groupId>
+      <artifactId>auto-service</artifactId>
+      <version>1.0</version>
+      <optional>true</optional>
+    </dependency>
   </dependencies>
   <build>
     <plugins>

src/main/java/com/github/thomasdarimont/keycloak/auth/RegistrationProfileDomainValidation.java

@@ -12,10 +12,12 @@ import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.UserModel;
 import org.keycloak.models.utils.FormMessage;
+import org.keycloak.provider.ProviderConfigProperty;
 import org.keycloak.services.messages.Messages;
 import org.keycloak.services.validation.Validation;
 
 import jakarta.ws.rs.core.MultivaluedMap;
+import java.util.Arrays;
 import java.util.ArrayList;
 import java.util.List;
 //
@@ -26,7 +28,10 @@ import org.keycloak.events.Errors;
 import org.keycloak.forms.login.LoginFormsProvider;
 import org.keycloak.models.utils.FormMessage;
 
-public abstract class RegistrationProfileDomainValidation extends RegistrationUserCreation {
+import com.google.auto.service.AutoService;
+
+@AutoService(FormActionFactory.class)
+public class RegistrationProfileDomainValidation extends RegistrationUserCreation {
    protected static final Logger logger = Logger.getLogger(RegistrationProfileDomainValidation.class);
 
    protected static final String DEFAULT_DOMAIN_LIST = "example.org";
@@ -108,8 +113,62 @@ public abstract class RegistrationProfileDomainValidation extends RegistrationUs
       }
    }
 
-   public abstract String[] getDomainList(AuthenticatorConfigModel mailDomainConfig);
+   public String[] getDomainList(AuthenticatorConfigModel mailDomainConfig) {
+      return mailDomainConfig.getConfig().getOrDefault(domainListConfigName, DEFAULT_DOMAIN_LIST).split(DOMAIN_LIST_SEPARATOR);
+   }
+
+   public boolean isEmailValid(String email, String[] domains) {
+      for (String domain : domains) {
+         if (email.endsWith("@" + domain) || email.equals(domain) || globmatches(email, "*@" + domain)) {
+            return true;
+         }
+      }
+      return false;
+   }
+
+
+   public static final String PROVIDER_ID = "registration-mail-check-action";
+
+   private static final List<ProviderConfigProperty> CONFIG_PROPERTIES = new ArrayList<>();
+
+   public static String domainListConfigName = "validDomains";
+
+   static {
+      ProviderConfigProperty property;
+      property = new ProviderConfigProperty();
+      property.setName(domainListConfigName);
+      property.setLabel("Valid domains for emails");
+      property.setType(ProviderConfigProperty.STRING_TYPE);
+      property.setHelpText("List mail domains authorized to register, separated by '##'");
+      CONFIG_PROPERTIES.add(property);
+   }
+
+   @Override
+   public String getDisplayType() {
+        return "Profile Validation with email domain check";
+   }
+
+   @Override
+   public String getId() {
+      return PROVIDER_ID;
+   }
+
+   @Override
+   public String getHelpText() {
+      return "Adds validation of domain emails for registration";
+   }
+
+   @Override
+   public List<ProviderConfigProperty> getConfigProperties() {
+      return CONFIG_PROPERTIES;
+   }
+
+   @Override
+   public void buildPage(FormContext context, LoginFormsProvider form) {
+      List<String> authorizedMailDomains = Arrays.asList(
+         context.getAuthenticatorConfig().getConfig().getOrDefault(domainListConfigName,DEFAULT_DOMAIN_LIST).split(DOMAIN_LIST_SEPARATOR));
+      form.setAttribute("authorizedMailDomains", authorizedMailDomains);
+   }
 
-   public abstract boolean isEmailValid(String email, String[] domains);
 }
 

src/main/resources/META-INF/services/org.keycloak.authentication.FormActionFactory

@@ -1,3 +1,3 @@
-com.thomasdarimont.keycloak.auth.CustomRegistrationUserCreation
-com.thomasdarimont.keycloak.auth.RegistrationProfileWithDomainBlock
-com.thomasdarimont.keycloak.auth.RegistrationProfileWithMailDomainCheck
+com.github.thomasdarimont.keycloak.auth.RegistrationProfileDomainValidation
+com.github.thomasdarimont.keycloak.auth.RegistrationProfileWithDomainBlock
+com.github.thomasdarimont.keycloak.auth.RegistrationProfileWithMailDomainCheck