KEYCLOAK-2085 Initial access tokens for client registration

client-api/src/main/java/org/keycloak/client/registration/Auth.java

@@ -3,6 +3,7 @@ package org.keycloak.client.registration;
 import org.apache.http.HttpHeaders;
 import org.apache.http.HttpRequest;
 import org.keycloak.common.util.Base64;
+import org.keycloak.representations.idm.ClientInitialAccessPresentation;
 import org.keycloak.representations.idm.ClientRepresentation;
 
 /**
@@ -16,6 +17,11 @@ public abstract class Auth {
         return new BearerTokenAuth(token);
     }
 
+    public static Auth token(ClientInitialAccessPresentation initialAccess) {
+        return new BearerTokenAuth(initialAccess.getToken());
+    }
+
+
     public static Auth token(ClientRepresentation client) {
         return new BearerTokenAuth(client.getRegistrationAccessToken());
     }

client-api/src/main/java/org/keycloak/client/registration/ClientRegistration.java

@@ -2,6 +2,7 @@ package org.keycloak.client.registration;
 
 import org.apache.http.client.HttpClient;
 import org.apache.http.impl.client.HttpClients;
+import org.codehaus.jackson.map.ObjectMapper;
 import org.keycloak.representations.adapters.config.AdapterConfig;
 import org.keycloak.representations.idm.ClientRepresentation;
 import org.keycloak.util.JsonSerialization;
@@ -14,6 +15,11 @@ import java.io.InputStream;
  */
 public class ClientRegistration {
 
+    public static final ObjectMapper outputMapper = new ObjectMapper();
+    static {
+        outputMapper.getSerializationConfig().addMixInAnnotations(ClientRepresentation.class, ClientRepresentationMixIn.class);
+    }
+
     private final String DEFAULT = "default";
     private final String INSTALLATION = "install";
 
@@ -69,15 +75,16 @@ public class ClientRegistration {
         httpUtil.doDelete(DEFAULT, clientId);
     }
 
-    private String serialize(ClientRepresentation client) throws ClientRegistrationException {
+    public static String serialize(ClientRepresentation client) throws ClientRegistrationException {
         try {
-            return JsonSerialization.writeValueAsString(client);
+
+            return outputMapper.writeValueAsString(client);
         } catch (IOException e) {
             throw new ClientRegistrationException("Failed to write json object", e);
         }
     }
 
-    private <T> T deserialize(InputStream inputStream, Class<T> clazz) throws ClientRegistrationException {
+    private static <T> T deserialize(InputStream inputStream, Class<T> clazz) throws ClientRegistrationException {
         try {
             return JsonSerialization.readValue(inputStream, clazz);
         } catch (IOException e) {

client-api/src/main/java/org/keycloak/client/registration/ClientRepresentationMixIn.java

@@ -0,0 +1,13 @@
+package org.keycloak.client.registration;
+
+import org.codehaus.jackson.annotate.JsonIgnore;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+abstract class ClientRepresentationMixIn {
+
+    @JsonIgnore
+    String registrationAccessToken;
+
+}

connections/jpa-liquibase/src/main/resources/META-INF/jpa-changelog-1.7.0.xml

@@ -59,7 +59,7 @@
         <addForeignKeyConstraint baseColumnNames="ROLE_ID" baseTableName="GROUP_ROLE_MAPPING" constraintName="FK_GROUP_ROLE_ROLE" referencedColumnNames="ID" referencedTableName="KEYCLOAK_ROLE"/>
 
         <addColumn tableName="CLIENT">
-            <column name="REGISTRATION_SECRET" type="VARCHAR(255)"/>
+            <column name="REGISTRATION_TOKEN" type="VARCHAR(255)"/>
         </addColumn>
 
     </changeSet>

core/src/main/java/org/keycloak/representations/idm/ClientInitialAccessCreatePresentation.java

@@ -0,0 +1,36 @@
+package org.keycloak.representations.idm;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessCreatePresentation {
+
+    private Integer expiration;
+
+    private Integer count;
+
+    public ClientInitialAccessCreatePresentation() {
+    }
+
+    public ClientInitialAccessCreatePresentation(Integer expiration, Integer count) {
+        this.expiration = expiration;
+        this.count = count;
+    }
+
+    public Integer getExpiration() {
+        return expiration;
+    }
+
+    public void setExpiration(Integer expiration) {
+        this.expiration = expiration;
+    }
+
+    public Integer getCount() {
+        return count;
+    }
+
+    public void setCount(Integer count) {
+        this.count = count;
+    }
+
+}

core/src/main/java/org/keycloak/representations/idm/ClientInitialAccessPresentation.java

@@ -0,0 +1,67 @@
+package org.keycloak.representations.idm;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessPresentation {
+
+    private String id;
+
+    private String token;
+
+    private Integer timestamp;
+
+    private Integer expiration;
+
+    private Integer count;
+
+    private Integer remainingCount;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getToken() {
+        return token;
+    }
+
+    public void setToken(String token) {
+        this.token = token;
+    }
+
+    public Integer getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(Integer timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public Integer getExpiration() {
+        return expiration;
+    }
+
+    public void setExpiration(Integer expiration) {
+        this.expiration = expiration;
+    }
+
+    public Integer getCount() {
+        return count;
+    }
+
+    public void setCount(Integer count) {
+        this.count = count;
+    }
+
+    public Integer getRemainingCount() {
+        return remainingCount;
+    }
+
+    public void setRemainingCount(Integer remainingCount) {
+        this.remainingCount = remainingCount;
+    }
+}

core/src/main/java/org/keycloak/util/TokenUtil.java

@@ -19,6 +19,7 @@ public class TokenUtil {
 
     public static final String TOKEN_TYPE_OFFLINE = "Offline";
 
+
     public static boolean isOfflineTokenRequested(String scopeParam) {
         if (scopeParam == null) {
             return false;

integration/admin-client/src/main/java/org/keycloak/admin/client/resource/ClientInitialAccessResource.java

@@ -0,0 +1,31 @@
+package org.keycloak.admin.client.resource;
+
+import org.keycloak.representations.idm.ClientInitialAccessCreatePresentation;
+import org.keycloak.representations.idm.ClientInitialAccessPresentation;
+
+import javax.ws.rs.*;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
+import java.util.List;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public interface ClientInitialAccessResource {
+
+    @POST
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    ClientInitialAccessPresentation create(ClientInitialAccessCreatePresentation rep);
+    
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    List<ClientInitialAccessPresentation> list();
+
+    @DELETE
+    @Path("{id}")
+    void delete(final @PathParam("id") String id);
+
+}

integration/admin-client/src/main/java/org/keycloak/admin/client/resource/RealmResource.java

@@ -45,5 +45,8 @@ public interface RealmResource {
     @Path("client-session-stats")
     @GET
     List<Map<String, String>> getClientSessionStats();
-    
+
+    @Path("clients-initial-access")
+    ClientInitialAccessResource clientInitialAccess();
+
 }

model/api/src/main/java/org/keycloak/models/ClientInitialAccessModel.java

@@ -0,0 +1,22 @@
+package org.keycloak.models;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public interface ClientInitialAccessModel {
+
+    String getId();
+
+    RealmModel getRealm();
+
+    int getTimestamp();
+
+    int getExpiration();
+
+    int getCount();
+
+    int getRemainingCount();
+
+    void decreaseRemainingCount();
+
+}

model/api/src/main/java/org/keycloak/models/ClientModel.java

@@ -90,8 +90,8 @@ public interface ClientModel extends RoleContainerModel {
     String getSecret();
     public void setSecret(String secret);
 
-    String getRegistrationSecret();
+    String getRegistrationToken();
-    void setRegistrationSecret(String registrationSecret);
+    void setRegistrationToken(String registrationToken);
 
     boolean isFullScopeAllowed();
     void setFullScopeAllowed(boolean value);

model/api/src/main/java/org/keycloak/models/UserSessionProvider.java

@@ -63,6 +63,11 @@ public interface UserSessionProvider extends Provider {
     UserSessionModel importUserSession(UserSessionModel persistentUserSession, boolean offline);
     ClientSessionModel importClientSession(ClientSessionModel persistentClientSession, boolean offline);
 
+    ClientInitialAccessModel createClientInitialAccessModel(RealmModel realm, int expiration, int count);
+    ClientInitialAccessModel getClientInitialAccessModel(RealmModel realm, String id);
+    void removeClientInitialAccessModel(RealmModel realm, String id);
+    List<ClientInitialAccessModel> listClientInitialAccess(RealmModel realm);
+
     void close();
 
 }

model/api/src/main/java/org/keycloak/models/entities/ClientEntity.java

@@ -17,7 +17,7 @@ public class ClientEntity extends AbstractIdentifiableEntity {
     private boolean enabled;
     private String clientAuthenticatorType;
     private String secret;
-    private String registrationSecret;
+    private String registrationToken;
     private String protocol;
     private int notBefore;
     private boolean publicClient;
@@ -91,12 +91,12 @@ public class ClientEntity extends AbstractIdentifiableEntity {
         this.secret = secret;
     }
 
-    public String getRegistrationSecret() {
+    public String getRegistrationToken() {
-        return registrationSecret;
+        return registrationToken;
     }
 
-    public void setRegistrationSecret(String registrationSecret) {
+    public void setRegistrationToken(String registrationToken) {
-        this.registrationSecret = registrationSecret;
+        this.registrationToken = registrationToken;
     }
 
     public int getNotBefore() {

model/api/src/main/java/org/keycloak/models/utils/KeycloakModelUtils.java

@@ -43,8 +43,6 @@ import java.util.UUID;
  */
 public final class KeycloakModelUtils {
 
-    private static final int RANDOM_PASSWORD_BYTES = 32;
-
     private KeycloakModelUtils() {
     }
 
@@ -182,16 +180,6 @@ public final class KeycloakModelUtils {
         return secret;
     }
 
-    public static void generateRegistrationAccessToken(ClientModel client) {
-        client.setRegistrationSecret(generatePassword());
-    }
-
-    public static String generatePassword() {
-        byte[] buf = new byte[RANDOM_PASSWORD_BYTES];
-        new SecureRandom().nextBytes(buf);
-        return Base64Url.encode(buf);
-    }
-
     public static String getDefaultClientAuthenticatorType() {
         return "client-secret";
     }

model/api/src/main/java/org/keycloak/models/utils/ModelToRepresentation.java

@@ -387,7 +387,6 @@ public class ModelToRepresentation {
         rep.setNotBefore(clientModel.getNotBefore());
         rep.setNodeReRegistrationTimeout(clientModel.getNodeReRegistrationTimeout());
         rep.setClientAuthenticatorType(clientModel.getClientAuthenticatorType());
-        rep.setRegistrationAccessToken(clientModel.getRegistrationSecret());
 
         Set<String> redirectUris = clientModel.getRedirectUris();
         if (redirectUris != null) {

model/api/src/main/java/org/keycloak/models/utils/RepresentationToModel.java

@@ -737,8 +737,6 @@ public class RepresentationToModel {
             KeycloakModelUtils.generateSecret(client);
         }
 
-        client.setRegistrationSecret(resourceRep.getRegistrationAccessToken());
-
         if (resourceRep.getAttributes() != null) {
             for (Map.Entry<String, String> entry : resourceRep.getAttributes().entrySet()) {
                 client.setAttribute(entry.getKey(), entry.getValue());
@@ -815,7 +813,6 @@ public class RepresentationToModel {
         if (rep.isSurrogateAuthRequired() != null) resource.setSurrogateAuthRequired(rep.isSurrogateAuthRequired());
         if (rep.getNodeReRegistrationTimeout() != null) resource.setNodeReRegistrationTimeout(rep.getNodeReRegistrationTimeout());
         if (rep.getClientAuthenticatorType() != null) resource.setClientAuthenticatorType(rep.getClientAuthenticatorType());
-        if (rep.getRegistrationAccessToken() != null) resource.setRegistrationSecret(rep.getRegistrationAccessToken());
         resource.updateClient();
 
         if (rep.getProtocol() != null) resource.setProtocol(rep.getProtocol());

model/invalidation-cache/infinispan/src/main/java/org/keycloak/models/cache/infinispan/ClientAdapter.java

@@ -120,14 +120,14 @@ public class ClientAdapter implements ClientModel {
         getDelegateForUpdate();
         updated.setSecret(secret);
     }
-    public String getRegistrationSecret() {
+    public String getRegistrationToken() {
-        if (updated != null) return updated.getRegistrationSecret();
+        if (updated != null) return updated.getRegistrationToken();
-        return cached.getRegistrationSecret();
+        return cached.getRegistrationToken();
     }
 
-    public void setRegistrationSecret(String registrationsecret) {
+    public void setRegistrationToken(String registrationToken) {
         getDelegateForUpdate();
-        updated.setRegistrationSecret(registrationsecret);
+        updated.setRegistrationToken(registrationToken);
     }
 
     public boolean isPublicClient() {

model/invalidation-cache/model-adapters/src/main/java/org/keycloak/models/cache/entities/CachedClient.java

@@ -31,7 +31,7 @@ public class CachedClient implements Serializable {
     private boolean enabled;
     private String clientAuthenticatorType;
     private String secret;
-    private String registrationSecret;
+    private String registrationToken;
     private String protocol;
     private Map<String, String> attributes = new HashMap<String, String>();
     private boolean publicClient;
@@ -58,7 +58,7 @@ public class CachedClient implements Serializable {
         id = model.getId();
         clientAuthenticatorType = model.getClientAuthenticatorType();
         secret = model.getSecret();
-        registrationSecret = model.getRegistrationSecret();
+        registrationToken = model.getRegistrationToken();
         clientId = model.getClientId();
         name = model.getName();
         description = model.getDescription();
@@ -131,8 +131,8 @@ public class CachedClient implements Serializable {
         return secret;
     }
 
-    public String getRegistrationSecret() {
+    public String getRegistrationToken() {
-        return registrationSecret;
+        return registrationToken;
     }
 
     public boolean isPublicClient() {

model/jpa/src/main/java/org/keycloak/models/jpa/ClientAdapter.java

@@ -178,13 +178,13 @@ public class ClientAdapter implements ClientModel {
     }
 
     @Override
-    public String getRegistrationSecret() {
+    public String getRegistrationToken() {
-        return entity.getRegistrationSecret();
+        return entity.getRegistrationToken();
     }
 
     @Override
-    public void setRegistrationSecret(String registrationSecret) {
+    public void setRegistrationToken(String registrationToken) {
-        entity.setRegistrationSecret(registrationSecret);
+        entity.setRegistrationToken(registrationToken);
     }
 
     @Override

model/jpa/src/main/java/org/keycloak/models/jpa/entities/ClientEntity.java

@@ -42,8 +42,8 @@ public class ClientEntity {
     private boolean enabled;
     @Column(name="SECRET")
     private String secret;
-    @Column(name="REGISTRATION_SECRET")
+    @Column(name="REGISTRATION_TOKEN")
-    private String registrationSecret;
+    private String registrationToken;
     @Column(name="CLIENT_AUTHENTICATOR_TYPE")
     private String clientAuthenticatorType;
     @Column(name="NOT_BEFORE")
@@ -203,12 +203,12 @@ public class ClientEntity {
         this.secret = secret;
     }
 
-    public String getRegistrationSecret() {
+    public String getRegistrationToken() {
-        return registrationSecret;
+        return registrationToken;
     }
 
-    public void setRegistrationSecret(String registrationSecret) {
+    public void setRegistrationToken(String registrationToken) {
-        this.registrationSecret = registrationSecret;
+        this.registrationToken = registrationToken;
     }
 
     public int getNotBefore() {

model/mongo/src/main/java/org/keycloak/models/mongo/keycloak/adapters/ClientAdapter.java

@@ -178,13 +178,13 @@ public class ClientAdapter extends AbstractMongoAdapter<MongoClientEntity> imple
     }
 
     @Override
-    public String getRegistrationSecret() {
+    public String getRegistrationToken() {
-        return getMongoEntity().getRegistrationSecret();
+        return getMongoEntity().getRegistrationToken();
     }
 
     @Override
-    public void setRegistrationSecret(String registrationSecretsecret) {
+    public void setRegistrationToken(String registrationToken) {
-        getMongoEntity().setRegistrationSecret(registrationSecretsecret);
+        getMongoEntity().setRegistrationToken(registrationToken);
         updateMongoEntity();
     }
 

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/ClientInitialAccessAdapter.java

@@ -0,0 +1,69 @@
+package org.keycloak.models.sessions.infinispan;
+
+import org.infinispan.Cache;
+import org.keycloak.models.ClientInitialAccessModel;
+import org.keycloak.models.KeycloakSession;
+import org.keycloak.models.RealmModel;
+import org.keycloak.models.sessions.infinispan.entities.ClientInitialAccessEntity;
+import org.keycloak.models.sessions.infinispan.entities.SessionEntity;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessAdapter implements ClientInitialAccessModel {
+
+    private final KeycloakSession session;
+    private final InfinispanUserSessionProvider provider;
+    private final Cache<String, SessionEntity> cache;
+    private final RealmModel realm;
+    private final ClientInitialAccessEntity entity;
+
+    public ClientInitialAccessAdapter(KeycloakSession session, InfinispanUserSessionProvider provider, Cache<String, SessionEntity> cache, RealmModel realm, ClientInitialAccessEntity entity) {
+        this.session = session;
+        this.provider = provider;
+        this.cache = cache;
+        this.realm = realm;
+        this.entity = entity;
+    }
+
+    @Override
+    public String getId() {
+        return entity.getId();
+    }
+
+    @Override
+    public RealmModel getRealm() {
+        return realm;
+    }
+
+    @Override
+    public int getTimestamp() {
+        return entity.getTimestamp();
+    }
+
+    @Override
+    public int getExpiration() {
+        return entity.getExpiration();
+    }
+
+    @Override
+    public int getCount() {
+        return entity.getCount();
+    }
+
+    @Override
+    public int getRemainingCount() {
+        return entity.getRemainingCount();
+    }
+
+    @Override
+    public void decreaseRemainingCount() {
+        entity.setRemainingCount(entity.getRemainingCount() - 1);
+        update();
+    }
+
+    void update() {
+        provider.getTx().replace(cache, entity.getId(), entity);
+    }
+
+}

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/InfinispanUserSessionProvider.java

@@ -3,28 +3,10 @@ package org.keycloak.models.sessions.infinispan;
 import org.infinispan.Cache;
 import org.infinispan.distexec.mapreduce.MapReduceTask;
 import org.jboss.logging.Logger;
-import org.keycloak.models.ClientModel;
+import org.keycloak.models.*;
-import org.keycloak.models.ClientSessionModel;
-import org.keycloak.models.KeycloakSession;
-import org.keycloak.models.KeycloakTransaction;
-import org.keycloak.models.RealmModel;
-import org.keycloak.models.UserModel;
-import org.keycloak.models.UserSessionModel;
-import org.keycloak.models.UserSessionProvider;
-import org.keycloak.models.UsernameLoginFailureModel;
 import org.keycloak.models.session.UserSessionPersisterProvider;
-import org.keycloak.models.sessions.infinispan.entities.ClientSessionEntity;
+import org.keycloak.models.sessions.infinispan.entities.*;
-import org.keycloak.models.sessions.infinispan.entities.LoginFailureEntity;
+import org.keycloak.models.sessions.infinispan.mapreduce.*;
-import org.keycloak.models.sessions.infinispan.entities.LoginFailureKey;
-import org.keycloak.models.sessions.infinispan.entities.SessionEntity;
-import org.keycloak.models.sessions.infinispan.entities.UserSessionEntity;
-import org.keycloak.models.sessions.infinispan.mapreduce.ClientSessionMapper;
-import org.keycloak.models.sessions.infinispan.mapreduce.FirstResultReducer;
-import org.keycloak.models.sessions.infinispan.mapreduce.LargestResultReducer;
-import org.keycloak.models.sessions.infinispan.mapreduce.SessionMapper;
-import org.keycloak.models.sessions.infinispan.mapreduce.UserLoginFailureMapper;
-import org.keycloak.models.sessions.infinispan.mapreduce.UserSessionMapper;
-import org.keycloak.models.sessions.infinispan.mapreduce.UserSessionNoteMapper;
 import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.models.utils.RealmInfoUtil;
 import org.keycloak.common.util.Time;
@@ -355,6 +337,15 @@ public class InfinispanUserSessionProvider implements UserSessionProvider {
             persister.removeClientSession(clientSessionId, true);
         }
 
+        // Remove expired client initial access
+        map = new MapReduceTask(sessionCache)
+                .mappedWith(ClientInitialAccessMapper.create(realm.getId()).time(Time.currentTime()).remainingCount(0).emitKey())
+                .reducedWith(new FirstResultReducer())
+                .execute();
+
+        for (String id : map.keySet()) {
+            tx.remove(sessionCache, id);
+        }
     }
 
     @Override
@@ -538,11 +529,24 @@ public class InfinispanUserSessionProvider implements UserSessionProvider {
         return models;
     }
 
+    List<ClientInitialAccessModel> wrapClientInitialAccess(RealmModel realm, Collection<ClientInitialAccessEntity> entities) {
+        List<ClientInitialAccessModel> models = new LinkedList<>();
+        for (ClientInitialAccessEntity e : entities) {
+            models.add(wrap(realm, e));
+        }
+        return models;
+    }
+
     ClientSessionAdapter wrap(RealmModel realm, ClientSessionEntity entity, boolean offline) {
         Cache<String, SessionEntity> cache = getCache(offline);
         return entity != null ? new ClientSessionAdapter(session, this, cache, realm, entity, offline) : null;
     }
 
+    ClientInitialAccessAdapter wrap(RealmModel realm, ClientInitialAccessEntity entity) {
+        Cache<String, SessionEntity> cache = getCache(false);
+        return entity != null ? new ClientInitialAccessAdapter(session, this, cache, realm, entity) : null;
+    }
+
 
     UsernameLoginFailureModel wrap(LoginFailureKey key, LoginFailureEntity entity) {
         return entity != null ? new UsernameLoginFailureAdapter(this, loginFailureCache, key, entity) : null;
@@ -680,6 +684,50 @@ public class InfinispanUserSessionProvider implements UserSessionProvider {
         return wrap(clientSession.getRealm(), entity, offline);
     }
 
+    @Override
+    public ClientInitialAccessModel createClientInitialAccessModel(RealmModel realm, int expiration, int count) {
+        String id = KeycloakModelUtils.generateId();
+
+        ClientInitialAccessEntity entity = new ClientInitialAccessEntity();
+        entity.setId(id);
+        entity.setRealm(realm.getId());
+        entity.setTimestamp(Time.currentTime());
+        entity.setExpiration(expiration);
+        entity.setCount(count);
+        entity.setRemainingCount(count);
+
+        tx.put(sessionCache, id, entity);
+
+        return wrap(realm, entity);
+    }
+
+    @Override
+    public ClientInitialAccessModel getClientInitialAccessModel(RealmModel realm, String id) {
+        Cache<String, SessionEntity> cache = getCache(false);
+        ClientInitialAccessEntity entity = (ClientInitialAccessEntity) cache.get(id);
+
+        // If created in this transaction
+        if (entity == null) {
+            entity = (ClientInitialAccessEntity) tx.get(cache, id);
+        }
+
+        return wrap(realm, entity);
+    }
+
+    @Override
+    public void removeClientInitialAccessModel(RealmModel realm, String id) {
+        tx.remove(getCache(false), id);
+    }
+
+    @Override
+    public List<ClientInitialAccessModel> listClientInitialAccess(RealmModel realm) {
+        Map<String, ClientInitialAccessEntity> entities = new MapReduceTask(sessionCache)
+                .mappedWith(ClientInitialAccessMapper.create(realm.getId()))
+                .reducedWith(new FirstResultReducer())
+                .execute();
+        return wrapClientInitialAccess(realm, entities.values());
+    }
+
     class InfinispanKeycloakTransaction implements KeycloakTransaction {
 
         private boolean active;

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/compat/ClientInitialAccessAdapter.java

@@ -0,0 +1,55 @@
+package org.keycloak.models.sessions.infinispan.compat;
+
+import org.keycloak.models.ClientInitialAccessModel;
+import org.keycloak.models.RealmModel;
+import org.keycloak.models.sessions.infinispan.compat.entities.ClientInitialAccessEntity;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessAdapter implements ClientInitialAccessModel {
+
+    private final RealmModel realm;
+    private final ClientInitialAccessEntity entity;
+
+    public ClientInitialAccessAdapter(RealmModel realm, ClientInitialAccessEntity entity) {
+        this.realm = realm;
+        this.entity = entity;
+    }
+
+    @Override
+    public String getId() {
+        return entity.getId();
+    }
+
+    @Override
+    public RealmModel getRealm() {
+        return realm;
+    }
+
+    @Override
+    public int getTimestamp() {
+        return entity.getTimestamp();
+    }
+
+    @Override
+    public int getExpiration() {
+        return entity.getExpires();
+    }
+
+    @Override
+    public int getCount() {
+        return entity.getCount();
+    }
+
+    @Override
+    public int getRemainingCount() {
+        return entity.getRemainingCount();
+    }
+
+    @Override
+    public void decreaseRemainingCount() {
+        entity.setRemainingCount(entity.getRemainingCount() - 1);
+    }
+
+}

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/compat/MemUserSessionProvider.java

@@ -1,19 +1,8 @@
 package org.keycloak.models.sessions.infinispan.compat;
 
-import org.keycloak.models.ClientModel;
+import org.keycloak.models.*;
-import org.keycloak.models.ClientSessionModel;
-import org.keycloak.models.KeycloakSession;
-import org.keycloak.models.ModelDuplicateException;
-import org.keycloak.models.RealmModel;
-import org.keycloak.models.UserModel;
-import org.keycloak.models.UserSessionModel;
-import org.keycloak.models.UserSessionProvider;
-import org.keycloak.models.UsernameLoginFailureModel;
 import org.keycloak.models.session.UserSessionPersisterProvider;
-import org.keycloak.models.sessions.infinispan.compat.entities.ClientSessionEntity;
+import org.keycloak.models.sessions.infinispan.compat.entities.*;
-import org.keycloak.models.sessions.infinispan.compat.entities.UserSessionEntity;
-import org.keycloak.models.sessions.infinispan.compat.entities.UsernameLoginFailureEntity;
-import org.keycloak.models.sessions.infinispan.compat.entities.UsernameLoginFailureKey;
 import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.models.utils.RealmInfoUtil;
 import org.keycloak.common.util.Time;
@@ -41,11 +30,12 @@ public class MemUserSessionProvider implements UserSessionProvider {
 
     private final ConcurrentHashMap<String, UserSessionEntity> offlineUserSessions;
     private final ConcurrentHashMap<String, ClientSessionEntity> offlineClientSessions;
+    private ConcurrentHashMap<String, ClientInitialAccessEntity> clientInitialAccess;
 
     public MemUserSessionProvider(KeycloakSession session, ConcurrentHashMap<String, UserSessionEntity> userSessions, ConcurrentHashMap<String, String> userSessionsByBrokerSessionId,
                                   ConcurrentHashMap<String, Set<String>> userSessionsByBrokerUserId, ConcurrentHashMap<String, ClientSessionEntity> clientSessions,
                                   ConcurrentHashMap<UsernameLoginFailureKey, UsernameLoginFailureEntity> loginFailures,
-                                  ConcurrentHashMap<String, UserSessionEntity> offlineUserSessions, ConcurrentHashMap<String, ClientSessionEntity> offlineClientSessions) {
+                                  ConcurrentHashMap<String, UserSessionEntity> offlineUserSessions, ConcurrentHashMap<String, ClientSessionEntity> offlineClientSessions, ConcurrentHashMap<String, ClientInitialAccessEntity> clientInitialAccess) {
         this.session = session;
         this.userSessions = userSessions;
         this.clientSessions = clientSessions;
@@ -54,6 +44,7 @@ public class MemUserSessionProvider implements UserSessionProvider {
         this.userSessionsByBrokerUserId = userSessionsByBrokerUserId;
         this.offlineUserSessions = offlineUserSessions;
         this.offlineClientSessions = offlineClientSessions;
+        this.clientInitialAccess = clientInitialAccess;
     }
 
     @Override
@@ -341,6 +332,15 @@ public class MemUserSessionProvider implements UserSessionProvider {
                 persister.removeClientSession(s.getId(), true);
             }
         }
+
+        // Remove expired initial access
+        Iterator<ClientInitialAccessEntity> iaitr = clientInitialAccess.values().iterator();
+        while (iaitr.hasNext()) {
+            ClientInitialAccessEntity e = iaitr.next();
+            if (e.getRealmId().equals(realm.getId()) && (e.getExpires() < Time.currentTime())) {
+                iaitr.remove();
+            }
+        }
     }
 
     @Override
@@ -574,6 +574,43 @@ public class MemUserSessionProvider implements UserSessionProvider {
         return getUserSessions(realm, client, first, max, true);
     }
 
+    @Override
+    public ClientInitialAccessModel createClientInitialAccessModel(RealmModel realm, int expiration, int count) {
+        String id = KeycloakModelUtils.generateId();
+
+        ClientInitialAccessEntity entity = new ClientInitialAccessEntity();
+        entity.setId(id);
+        entity.setRealmId(realm.getId());
+        entity.setTimestamp(Time.currentTime());
+        entity.setExpiration(expiration);
+        entity.setCount(count);
+        entity.setRemainingCount(count);
+
+        clientInitialAccess.put(id, entity);
+
+        return new ClientInitialAccessAdapter(realm, entity);
+    }
+
+    @Override
+    public ClientInitialAccessModel getClientInitialAccessModel(RealmModel realm, String id) {
+        ClientInitialAccessEntity entity = clientInitialAccess.get(id);
+        return entity != null ? new ClientInitialAccessAdapter(realm, entity) : null;
+    }
+
+    @Override
+    public void removeClientInitialAccessModel(RealmModel realm, String id) {
+        clientInitialAccess.remove(id);
+    }
+
+    @Override
+    public List<ClientInitialAccessModel> listClientInitialAccess(RealmModel realm) {
+        List<ClientInitialAccessModel> models = new LinkedList<>();
+        for (ClientInitialAccessEntity e : clientInitialAccess.values()) {
+            models.add(new ClientInitialAccessAdapter(realm, e));
+        }
+        return models;
+    }
+
     @Override
     public void close() {
     }

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/compat/MemUserSessionProviderFactory.java

@@ -1,14 +1,12 @@
 package org.keycloak.models.sessions.infinispan.compat;
 
-import org.keycloak.Config;
 import org.keycloak.models.KeycloakSession;
-import org.keycloak.models.KeycloakSessionFactory;
 import org.keycloak.models.UserSessionProvider;
-import org.keycloak.models.UserSessionProviderFactory;
 import org.keycloak.models.sessions.infinispan.compat.entities.ClientSessionEntity;
 import org.keycloak.models.sessions.infinispan.compat.entities.UserSessionEntity;
 import org.keycloak.models.sessions.infinispan.compat.entities.UsernameLoginFailureEntity;
 import org.keycloak.models.sessions.infinispan.compat.entities.UsernameLoginFailureKey;
+import org.keycloak.models.sessions.infinispan.compat.entities.ClientInitialAccessEntity;
 
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
@@ -29,9 +27,11 @@ public class MemUserSessionProviderFactory {
     private ConcurrentHashMap<String, UserSessionEntity> offlineUserSessions = new ConcurrentHashMap<String, UserSessionEntity>();
     private ConcurrentHashMap<String, ClientSessionEntity> offlineClientSessions = new ConcurrentHashMap<String, ClientSessionEntity>();
 
+    private ConcurrentHashMap<String, ClientInitialAccessEntity> clientInitialAccess = new ConcurrentHashMap<>();
+
     public UserSessionProvider create(KeycloakSession session) {
         return new MemUserSessionProvider(session, userSessions, userSessionsByBrokerSessionId, userSessionsByBrokerUserId, clientSessions, loginFailures,
-                offlineUserSessions, offlineClientSessions);
+                offlineUserSessions, offlineClientSessions, clientInitialAccess);
     }
 
     public void close() {

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/compat/entities/ClientInitialAccessEntity.java

@@ -0,0 +1,68 @@
+package org.keycloak.models.sessions.infinispan.compat.entities;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessEntity {
+
+    private String id;
+
+    private String realmId;
+
+    private int timestamp;
+
+    private int expires;
+
+    private int count;
+
+    private int remainingCount;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getRealmId() {
+        return realmId;
+    }
+
+    public void setRealmId(String realmId) {
+        this.realmId = realmId;
+    }
+
+    public int getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(int timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public int getExpires() {
+        return expires;
+    }
+
+    public void setExpiration(int expires) {
+        this.expires = expires;
+    }
+
+    public int getCount() {
+        return count;
+    }
+
+    public void setCount(int count) {
+        this.count = count;
+    }
+
+    public int getRemainingCount() {
+        return remainingCount;
+    }
+
+    public void setRemainingCount(int remainingCount) {
+        this.remainingCount = remainingCount;
+    }
+
+}

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/entities/ClientInitialAccessEntity.java

@@ -0,0 +1,48 @@
+package org.keycloak.models.sessions.infinispan.entities;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessEntity extends SessionEntity {
+
+    private int timestamp;
+
+    private int expires;
+
+    private int count;
+
+    private int remainingCount;
+
+    public int getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(int timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public int getExpiration() {
+        return expires;
+    }
+
+    public void setExpiration(int expires) {
+        this.expires = expires;
+    }
+
+    public int getCount() {
+        return count;
+    }
+
+    public void setCount(int count) {
+        this.count = count;
+    }
+
+    public int getRemainingCount() {
+        return remainingCount;
+    }
+
+    public void setRemainingCount(int remainingCount) {
+        this.remainingCount = remainingCount;
+    }
+
+}

model/sessions-infinispan/src/main/java/org/keycloak/models/sessions/infinispan/mapreduce/ClientInitialAccessMapper.java

@@ -0,0 +1,80 @@
+package org.keycloak.models.sessions.infinispan.mapreduce;
+
+import org.infinispan.distexec.mapreduce.Collector;
+import org.infinispan.distexec.mapreduce.Mapper;
+import org.keycloak.models.sessions.infinispan.entities.ClientInitialAccessEntity;
+import org.keycloak.models.sessions.infinispan.entities.SessionEntity;
+
+import java.io.Serializable;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessMapper implements Mapper<String, SessionEntity, String, Object>, Serializable {
+
+    public ClientInitialAccessMapper(String realm) {
+        this.realm = realm;
+    }
+
+    private enum EmitValue {
+        KEY, ENTITY
+    }
+
+    private String realm;
+
+    private EmitValue emit = EmitValue.ENTITY;
+
+    private Integer time;
+    private Integer remainingCount;
+
+    public static ClientInitialAccessMapper create(String realm) {
+        return new ClientInitialAccessMapper(realm);
+    }
+
+    public ClientInitialAccessMapper emitKey() {
+        emit = EmitValue.KEY;
+        return this;
+    }
+
+    public ClientInitialAccessMapper time(int time) {
+        this.time = time;
+        return this;
+    }
+
+
+    public ClientInitialAccessMapper remainingCount(int remainingCount) {
+        this.remainingCount = remainingCount;
+        return this;
+    }
+
+    @Override
+    public void map(String key, SessionEntity e, Collector collector) {
+        if (!realm.equals(e.getRealm())) {
+            return;
+        }
+
+        if (!(e instanceof ClientInitialAccessEntity)) {
+            return;
+        }
+
+        ClientInitialAccessEntity entity = (ClientInitialAccessEntity) e;
+
+        if (time != null && entity.getExpiration() > 0 && (entity.getTimestamp() + entity.getExpiration()) < time) {
+            return;
+        }
+
+        if (remainingCount != null && entity.getRemainingCount() == remainingCount) {
+            return;
+        }
+
+        switch (emit) {
+            case KEY:
+                collector.emit(key, key);
+                break;
+            case ENTITY:
+                collector.emit(key, entity);
+                break;
+        }
+    }
+
+}

saml/saml-protocol/src/main/java/org/keycloak/protocol/saml/clientregistration/EntityDescriptorClientRegistrationProvider.java

@@ -2,26 +2,10 @@ package org.keycloak.protocol.saml.clientregistration;
 
 import org.jboss.logging.Logger;
 import org.keycloak.events.EventBuilder;
-import org.keycloak.events.EventType;
-import org.keycloak.exportimport.ClientDescriptionConverter;
-import org.keycloak.models.ClientModel;
 import org.keycloak.models.KeycloakSession;
-import org.keycloak.models.ModelDuplicateException;
+import org.keycloak.services.clientregistration.ClientRegistrationAuth;
-import org.keycloak.models.utils.ModelToRepresentation;
-import org.keycloak.models.utils.RepresentationToModel;
-import org.keycloak.protocol.saml.EntityDescriptorDescriptionConverter;
-import org.keycloak.representations.idm.ClientRepresentation;
-import org.keycloak.services.ErrorResponse;
-import org.keycloak.services.clientregistration.ClientRegAuth;
 import org.keycloak.services.clientregistration.ClientRegistrationProvider;
 
-import javax.ws.rs.Consumes;
-import javax.ws.rs.POST;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import java.net.URI;
-
 /**
  * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
  */
@@ -31,7 +15,7 @@ public class EntityDescriptorClientRegistrationProvider implements ClientRegistr
 
     private KeycloakSession session;
     private EventBuilder event;
-    private ClientRegAuth auth;
+    private ClientRegistrationAuth auth;
 
     public EntityDescriptorClientRegistrationProvider(KeycloakSession session) {
         this.session = session;
@@ -67,7 +51,7 @@ public class EntityDescriptorClientRegistrationProvider implements ClientRegistr
     }
 
     @Override
-    public void setAuth(ClientRegAuth auth) {
+    public void setAuth(ClientRegistrationAuth auth) {
         this.auth = auth;
     }
 

services/src/main/java/org/keycloak/services/clientregistration/AdapterInstallationClientRegistrationProvider.java

@@ -1,6 +1,5 @@
 package org.keycloak.services.clientregistration;
 
-import org.jboss.resteasy.spi.UnauthorizedException;
 import org.keycloak.authentication.AuthenticationProcessor;
 import org.keycloak.events.Errors;
 import org.keycloak.events.EventBuilder;
@@ -23,7 +22,7 @@ public class AdapterInstallationClientRegistrationProvider implements ClientRegi
 
     private KeycloakSession session;
     private EventBuilder event;
-    private ClientRegAuth auth;
+    private ClientRegistrationAuth auth;
 
     public AdapterInstallationClientRegistrationProvider(KeycloakSession session) {
         this.session = session;
@@ -51,7 +50,7 @@ public class AdapterInstallationClientRegistrationProvider implements ClientRegi
     }
 
     @Override
-    public void setAuth(ClientRegAuth auth) {
+    public void setAuth(ClientRegistrationAuth auth) {
         this.auth = auth;
     }
 

services/src/main/java/org/keycloak/services/clientregistration/ClientRegAuth.java

@@ -1,134 +0,0 @@
-package org.keycloak.services.clientregistration;
-
-import org.jboss.resteasy.spi.UnauthorizedException;
-import org.keycloak.events.Errors;
-import org.keycloak.events.EventBuilder;
-import org.keycloak.models.*;
-import org.keycloak.protocol.oidc.utils.AuthorizeClientUtil;
-import org.keycloak.representations.AccessToken;
-import org.keycloak.services.ForbiddenException;
-import org.keycloak.services.managers.AppAuthManager;
-import org.keycloak.services.managers.AuthenticationManager;
-
-import javax.ws.rs.core.HttpHeaders;
-
-/**
- * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
- */
-public class ClientRegAuth {
-
-    private KeycloakSession session;
-    private EventBuilder event;
-
-    private String token;
-    private AccessToken.Access bearerRealmAccess;
-
-    private boolean authenticated = false;
-    private boolean registrationAccessToken = false;
-
-    public ClientRegAuth(KeycloakSession session, EventBuilder event) {
-        this.session = session;
-        this.event = event;
-
-        init();
-    }
-
-    private void init() {
-        RealmModel realm = session.getContext().getRealm();
-
-        String authorizationHeader = session.getContext().getRequestHeaders().getRequestHeaders().getFirst(HttpHeaders.AUTHORIZATION);
-        if (authorizationHeader == null) {
-            return;
-        }
-
-        String[] split = authorizationHeader.split(" ");
-        if (!split[0].equalsIgnoreCase("bearer")) {
-            return;
-        }
-
-        if (split[1].indexOf('.') == -1) {
-            token = split[1];
-            authenticated = true;
-            registrationAccessToken = true;
-        } else {
-            AuthenticationManager.AuthResult authResult = new AppAuthManager().authenticateBearerToken(session, realm);
-            bearerRealmAccess = authResult.getToken().getResourceAccess(Constants.REALM_MANAGEMENT_CLIENT_ID);
-            authenticated = true;
-        }
-    }
-
-    public boolean isAuthenticated() {
-        return authenticated;
-    }
-
-    public boolean isRegistrationAccessToken() {
-        return registrationAccessToken;
-    }
-
-    public void requireCreate() {
-        if (!authenticated) {
-            event.error(Errors.NOT_ALLOWED);
-            throw new UnauthorizedException();
-        }
-
-        if (bearerRealmAccess != null) {
-            if (bearerRealmAccess.isUserInRole(AdminRoles.MANAGE_CLIENTS) || bearerRealmAccess.isUserInRole(AdminRoles.CREATE_CLIENT)) {
-                return;
-            }
-        }
-
-        event.error(Errors.NOT_ALLOWED);
-        throw new ForbiddenException();
-    }
-
-    public void requireView(ClientModel client) {
-        if (!authenticated) {
-            event.error(Errors.NOT_ALLOWED);
-            throw new UnauthorizedException();
-        }
-
-        if (client == null) {
-            event.error(Errors.NOT_ALLOWED);
-            throw new ForbiddenException();
-        }
-
-        if (bearerRealmAccess != null) {
-            if (bearerRealmAccess.isUserInRole(AdminRoles.MANAGE_CLIENTS) || bearerRealmAccess.isUserInRole(AdminRoles.VIEW_CLIENTS)) {
-                return;
-            }
-        } else if (token != null) {
-            if (client.getRegistrationSecret() != null && client.getRegistrationSecret().equals(token)) {
-                return;
-            }
-        }
-
-        event.error(Errors.NOT_ALLOWED);
-        throw new ForbiddenException();
-    }
-
-    public void requireUpdate(ClientModel client) {
-        if (!authenticated) {
-            event.error(Errors.NOT_ALLOWED);
-            throw new UnauthorizedException();
-        }
-
-        if (client == null) {
-            event.error(Errors.NOT_ALLOWED);
-            throw new ForbiddenException();
-        }
-
-        if (bearerRealmAccess != null) {
-            if (bearerRealmAccess.isUserInRole(AdminRoles.MANAGE_CLIENTS) || bearerRealmAccess.isUserInRole(AdminRoles.VIEW_CLIENTS)) {
-                return;
-            }
-        } else if (token != null) {
-            if (client.getRegistrationSecret() != null && client.getRegistrationSecret().equals(token)) {
-                return;
-            }
-        }
-
-        event.error(Errors.NOT_ALLOWED);
-        throw new ForbiddenException();
-    }
-
-}

services/src/main/java/org/keycloak/services/clientregistration/ClientRegistrationAuth.java

@@ -0,0 +1,182 @@
+package org.keycloak.services.clientregistration;
+
+import org.jboss.resteasy.spi.UnauthorizedException;
+import org.keycloak.common.util.Time;
+import org.keycloak.events.Errors;
+import org.keycloak.events.EventBuilder;
+import org.keycloak.models.*;
+import org.keycloak.representations.JsonWebToken;
+import org.keycloak.services.ForbiddenException;
+import org.keycloak.util.TokenUtil;
+
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.UriInfo;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientRegistrationAuth {
+
+    private KeycloakSession session;
+    private EventBuilder event;
+
+    private JsonWebToken jwt;
+    private ClientInitialAccessModel initialAccessModel;
+
+    public ClientRegistrationAuth(KeycloakSession session, EventBuilder event) {
+        this.session = session;
+        this.event = event;
+
+        init();
+    }
+
+    private void init() {
+        RealmModel realm = session.getContext().getRealm();
+        UriInfo uri = session.getContext().getUri();
+
+        String authorizationHeader = session.getContext().getRequestHeaders().getRequestHeaders().getFirst(HttpHeaders.AUTHORIZATION);
+        if (authorizationHeader == null) {
+            return;
+        }
+
+        String[] split = authorizationHeader.split(" ");
+        if (!split[0].equalsIgnoreCase("bearer")) {
+            return;
+        }
+
+        jwt = ClientRegistrationTokenUtils.parseToken(realm, uri, split[1]);
+
+        if (isInitialAccessToken()) {
+            initialAccessModel = session.sessions().getClientInitialAccessModel(session.getContext().getRealm(), jwt.getId());
+            if (initialAccessModel == null) {
+                throw new ForbiddenException();
+            }
+        }
+    }
+
+    public boolean isAuthenticated() {
+        return jwt != null;
+    }
+
+    public boolean isBearerToken() {
+        return TokenUtil.TOKEN_TYPE_BEARER.equals(jwt.getType());
+    }
+
+    public boolean isInitialAccessToken() {
+        return ClientRegistrationTokenUtils.TYPE_INITIAL_ACCESS_TOKEN.equals(jwt.getType());
+    }
+
+    public boolean isRegistrationAccessToken() {
+        return ClientRegistrationTokenUtils.TYPE_REGISTRATION_ACCESS_TOKEN.equals(jwt.getType());
+    }
+
+    public void requireCreate() {
+        if (!isAuthenticated()) {
+            event.error(Errors.NOT_ALLOWED);
+            throw new UnauthorizedException();
+        }
+
+        if (isBearerToken()) {
+            if (hasRole(AdminRoles.MANAGE_CLIENTS, AdminRoles.CREATE_CLIENT)) {
+                return;
+            }
+        } else if (isInitialAccessToken()) {
+            if (initialAccessModel.getRemainingCount() > 0) {
+                if (initialAccessModel.getExpiration() == 0 || (initialAccessModel.getTimestamp() + initialAccessModel.getExpiration()) > Time.currentTime()) {
+                    return;
+                }
+            }
+        }
+
+        event.error(Errors.NOT_ALLOWED);
+        throw new ForbiddenException();
+    }
+
+    public void requireView(ClientModel client) {
+        if (!isAuthenticated()) {
+            event.error(Errors.NOT_ALLOWED);
+            throw new UnauthorizedException();
+        }
+
+        if (client == null) {
+            event.error(Errors.NOT_ALLOWED);
+            throw new ForbiddenException();
+        }
+
+        if (isBearerToken()) {
+            if (hasRole(AdminRoles.MANAGE_CLIENTS, AdminRoles.VIEW_CLIENTS)) {
+                return;
+            }
+        } else if (isRegistrationAccessToken()) {
+            if (client.getRegistrationToken() != null && client.getRegistrationToken().equals(jwt.getId())) {
+                return;
+            }
+        }
+
+        event.error(Errors.NOT_ALLOWED);
+        throw new ForbiddenException();
+    }
+
+    public void requireUpdate(ClientModel client) {
+        if (!isAuthenticated()) {
+            event.error(Errors.NOT_ALLOWED);
+            throw new UnauthorizedException();
+        }
+
+        if (client == null) {
+            event.error(Errors.NOT_ALLOWED);
+            throw new ForbiddenException();
+        }
+
+        if (isBearerToken()) {
+            if (hasRole(AdminRoles.MANAGE_CLIENTS)) {
+                return;
+            }
+        } else if (isRegistrationAccessToken()) {
+            if (client.getRegistrationToken() != null && client.getRegistrationToken().equals(jwt.getId())) {
+                return;
+            }
+        }
+
+        event.error(Errors.NOT_ALLOWED);
+        throw new ForbiddenException();
+    }
+
+    public ClientInitialAccessModel getInitialAccessModel() {
+        return initialAccessModel;
+    }
+
+    private boolean hasRole(String... role) {
+        try {
+            Map<String, Object> otherClaims = jwt.getOtherClaims();
+            if (otherClaims != null) {
+                Map<String, Map<String, List<String>>> resourceAccess = (Map<String, Map<String, List<String>>>) jwt.getOtherClaims().get("resource_access");
+                if (resourceAccess == null) {
+                    return false;
+                }
+
+                Map<String, List<String>> realmManagement = resourceAccess.get(Constants.REALM_MANAGEMENT_CLIENT_ID);
+                if (realmManagement == null) {
+                    return false;
+                }
+
+                List<String> resources = realmManagement.get("roles");
+                if (resources == null) {
+                    return false;
+                }
+
+                for (String r : role) {
+                    if (resources.contains(r)) {
+                        return true;
+                    }
+                }
+            }
+            return false;
+        } catch (Throwable t) {
+            return false;
+        }
+    }
+
+}

services/src/main/java/org/keycloak/services/clientregistration/ClientRegistrationProvider.java

@@ -1,7 +1,6 @@
 package org.keycloak.services.clientregistration;
 
 import org.keycloak.events.EventBuilder;
-import org.keycloak.models.RealmModel;
 import org.keycloak.provider.Provider;
 
 /**
@@ -9,7 +8,7 @@ import org.keycloak.provider.Provider;
  */
 public interface ClientRegistrationProvider extends Provider {
 
-    void setAuth(ClientRegAuth auth);
+    void setAuth(ClientRegistrationAuth auth);
 
     void setEvent(EventBuilder event);
 

services/src/main/java/org/keycloak/services/clientregistration/ClientRegistrationService.java

@@ -35,7 +35,7 @@ public class ClientRegistrationService {
         }
 
         provider.setEvent(event);
-        provider.setAuth(new ClientRegAuth(session, event));
+        provider.setAuth(new ClientRegistrationAuth(session, event));
         return provider;
     }
 

services/src/main/java/org/keycloak/services/clientregistration/ClientRegistrationTokenUtils.java

@@ -0,0 +1,99 @@
+package org.keycloak.services.clientregistration;
+
+import org.keycloak.common.util.Time;
+import org.keycloak.jose.jws.JWSBuilder;
+import org.keycloak.jose.jws.JWSInput;
+import org.keycloak.jose.jws.crypto.RSAProvider;
+import org.keycloak.models.ClientInitialAccessModel;
+import org.keycloak.models.ClientModel;
+import org.keycloak.models.KeycloakSession;
+import org.keycloak.models.RealmModel;
+import org.keycloak.models.utils.KeycloakModelUtils;
+import org.keycloak.representations.JsonWebToken;
+import org.keycloak.services.ForbiddenException;
+import org.keycloak.services.Urls;
+import org.keycloak.util.TokenUtil;
+
+import javax.ws.rs.core.UriInfo;
+import java.io.IOException;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientRegistrationTokenUtils {
+
+    public static final String TYPE_INITIAL_ACCESS_TOKEN = "InitialAccessToken";
+    public static final String TYPE_REGISTRATION_ACCESS_TOKEN = "RegistrationAccessToken";
+
+    public static String updateRegistrationAccessToken(KeycloakSession session, ClientModel client) {
+        return updateRegistrationAccessToken(session.getContext().getRealm(), session.getContext().getUri(), client);
+    }
+
+    public static String updateRegistrationAccessToken(RealmModel realm, UriInfo uri, ClientModel client) {
+        String id = KeycloakModelUtils.generateId();
+        client.setRegistrationToken(id);
+        String token = createToken(realm, uri, id, TYPE_REGISTRATION_ACCESS_TOKEN, 0);
+        return token;
+    }
+
+    public static String createInitialAccessToken(RealmModel realm, UriInfo uri, ClientInitialAccessModel model) {
+        return createToken(realm, uri, model.getId(), TYPE_INITIAL_ACCESS_TOKEN, model.getTimestamp() + model.getExpiration());
+    }
+
+    public static JsonWebToken parseToken(RealmModel realm, UriInfo uri, String token) {
+        JWSInput input;
+        try {
+            input = new JWSInput(token);
+        } catch (Exception e) {
+            throw new ForbiddenException(e);
+        }
+
+        if (!RSAProvider.verify(input, realm.getPublicKey())) {
+            throw new ForbiddenException("Invalid signature");
+        }
+
+        JsonWebToken jwt;
+        try {
+            jwt = input.readJsonContent(JsonWebToken.class);
+        } catch (IOException e) {
+            throw new ForbiddenException(e);
+        }
+
+        if (!getIssuer(realm, uri).equals(jwt.getIssuer())) {
+            throw new ForbiddenException("Issuer doesn't match");
+        }
+
+        if (!jwt.isActive()) {
+            throw new ForbiddenException("Expired token");
+        }
+
+        if (!(TokenUtil.TOKEN_TYPE_BEARER.equals(jwt.getType()) ||
+                TYPE_INITIAL_ACCESS_TOKEN.equals(jwt.getType()) ||
+                TYPE_REGISTRATION_ACCESS_TOKEN.equals(jwt.getType()))) {
+            throw new ForbiddenException("Invalid token type");
+        }
+
+        return jwt;
+    }
+
+    private static String createToken(RealmModel realm, UriInfo uri, String id, String type, int expiration) {
+        JsonWebToken jwt = new JsonWebToken();
+
+        String issuer = getIssuer(realm, uri);
+
+        jwt.type(type);
+        jwt.id(id);
+        jwt.issuedAt(Time.currentTime());
+        jwt.expiration(expiration);
+        jwt.issuer(issuer);
+        jwt.audience(issuer);
+
+        String token = new JWSBuilder().jsonContent(jwt).rsa256(realm.getPrivateKey());
+        return token;
+    }
+
+    private static String getIssuer(RealmModel realm, UriInfo uri) {
+        return Urls.realmIssuer(uri.getBaseUri(), realm.getName());
+    }
+
+}

services/src/main/java/org/keycloak/services/clientregistration/DefaultClientRegistrationProvider.java

@@ -2,10 +2,10 @@ package org.keycloak.services.clientregistration;
 
 import org.keycloak.events.EventBuilder;
 import org.keycloak.events.EventType;
+import org.keycloak.models.ClientInitialAccessModel;
 import org.keycloak.models.ClientModel;
 import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.ModelDuplicateException;
-import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.models.utils.ModelToRepresentation;
 import org.keycloak.models.utils.RepresentationToModel;
 import org.keycloak.representations.idm.ClientRepresentation;
@@ -23,7 +23,7 @@ public class DefaultClientRegistrationProvider implements ClientRegistrationProv
 
     private KeycloakSession session;
     private EventBuilder event;
-    private ClientRegAuth auth;
+    private ClientRegistrationAuth auth;
 
     public DefaultClientRegistrationProvider(KeycloakSession session) {
         this.session = session;
@@ -39,11 +39,19 @@ public class DefaultClientRegistrationProvider implements ClientRegistrationProv
 
         try {
             ClientModel clientModel = RepresentationToModel.createClient(session, session.getContext().getRealm(), client, true);
-            KeycloakModelUtils.generateRegistrationAccessToken(clientModel);
-
             client = ModelToRepresentation.toRepresentation(clientModel);
+
+            String registrationAccessToken = ClientRegistrationTokenUtils.updateRegistrationAccessToken(session, clientModel);
+
+            client.setRegistrationAccessToken(registrationAccessToken);
+
             URI uri = session.getContext().getUri().getAbsolutePathBuilder().path(clientModel.getId()).build();
 
+            if (auth.isInitialAccessToken()) {
+                ClientInitialAccessModel initialAccessModel = auth.getInitialAccessModel();
+                initialAccessModel.decreaseRemainingCount();
+            }
+
             event.client(client.getClientId()).success();
             return Response.created(uri).entity(client).build();
         } catch (ModelDuplicateException e) {
@@ -60,12 +68,15 @@ public class DefaultClientRegistrationProvider implements ClientRegistrationProv
         ClientModel client = session.getContext().getRealm().getClientByClientId(clientId);
         auth.requireView(client);
 
+        ClientRepresentation rep = ModelToRepresentation.toRepresentation(client);
+
         if (auth.isRegistrationAccessToken()) {
-            KeycloakModelUtils.generateRegistrationAccessToken(client);
+            String registrationAccessToken = ClientRegistrationTokenUtils.updateRegistrationAccessToken(session, client);
+            rep.setRegistrationAccessToken(registrationAccessToken);
         }
 
         event.client(client.getClientId()).success();
-        return Response.ok(ModelToRepresentation.toRepresentation(client)).build();
+        return Response.ok(rep).build();
     }
 
     @PUT
@@ -78,13 +89,13 @@ public class DefaultClientRegistrationProvider implements ClientRegistrationProv
         auth.requireUpdate(client);
 
         RepresentationToModel.updateClient(rep, client);
+        rep = ModelToRepresentation.toRepresentation(client);
 
         if (auth.isRegistrationAccessToken()) {
-            KeycloakModelUtils.generateRegistrationAccessToken(client);
+            String registrationAccessToken = ClientRegistrationTokenUtils.updateRegistrationAccessToken(session, client);
+            rep.setRegistrationAccessToken(registrationAccessToken);
         }
 
-        rep = ModelToRepresentation.toRepresentation(client);
-
         event.client(client.getClientId()).success();
         return Response.ok(rep).build();
     }
@@ -106,7 +117,7 @@ public class DefaultClientRegistrationProvider implements ClientRegistrationProv
     }
 
     @Override
-    public void setAuth(ClientRegAuth auth) {
+    public void setAuth(ClientRegistrationAuth auth) {
         this.auth = auth;
     }
 

services/src/main/java/org/keycloak/services/clientregistration/oidc/OIDCClientRegistrationProvider.java

@@ -1,28 +1,11 @@
 package org.keycloak.services.clientregistration.oidc;
 
 import org.jboss.logging.Logger;
-import org.keycloak.common.util.Time;
 import org.keycloak.events.EventBuilder;
-import org.keycloak.events.EventType;
-import org.keycloak.models.ClientModel;
 import org.keycloak.models.KeycloakSession;
-import org.keycloak.models.ModelDuplicateException;
+import org.keycloak.services.clientregistration.ClientRegistrationAuth;
-import org.keycloak.models.utils.ModelToRepresentation;
-import org.keycloak.models.utils.RepresentationToModel;
-import org.keycloak.protocol.oidc.OIDCClientDescriptionConverter;
-import org.keycloak.protocol.oidc.representations.OIDCClientRepresentation;
-import org.keycloak.representations.idm.ClientRepresentation;
-import org.keycloak.services.ErrorResponse;
-import org.keycloak.services.clientregistration.ClientRegAuth;
 import org.keycloak.services.clientregistration.ClientRegistrationProvider;
 
-import javax.ws.rs.Consumes;
-import javax.ws.rs.POST;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import java.net.URI;
-
 /**
  * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
  */
@@ -32,7 +15,7 @@ public class OIDCClientRegistrationProvider implements ClientRegistrationProvide
 
     private KeycloakSession session;
     private EventBuilder event;
-    private ClientRegAuth auth;
+    private ClientRegistrationAuth auth;
 
     public OIDCClientRegistrationProvider(KeycloakSession session) {
         this.session = session;
@@ -55,7 +38,7 @@ public class OIDCClientRegistrationProvider implements ClientRegistrationProvide
 //
 //            String registrationAccessToken = TokenGenerator.createRegistrationAccessToken();
 //
-//            clientModel.setRegistrationSecret(registrationAccessToken);
+//            clientModel.setRegistrationToken(registrationAccessToken);
 //
 //            URI uri = session.getContext().getUri().getAbsolutePathBuilder().path(clientModel.getId()).build();
 //
@@ -87,7 +70,7 @@ public class OIDCClientRegistrationProvider implements ClientRegistrationProvide
     }
 
     @Override
-    public void setAuth(ClientRegAuth auth) {
+    public void setAuth(ClientRegistrationAuth auth) {
         this.auth = auth;
     }
 

services/src/main/java/org/keycloak/services/resources/admin/ClientInitialAccessResource.java

@@ -0,0 +1,102 @@
+package org.keycloak.services.resources.admin;
+
+import org.keycloak.events.admin.OperationType;
+import org.keycloak.models.ClientInitialAccessModel;
+import org.keycloak.models.KeycloakSession;
+import org.keycloak.models.RealmModel;
+import org.keycloak.representations.idm.ClientInitialAccessCreatePresentation;
+import org.keycloak.representations.idm.ClientInitialAccessPresentation;
+import org.keycloak.services.clientregistration.ClientRegistrationTokenUtils;
+
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.*;
+import javax.ws.rs.core.*;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessResource {
+
+    private final RealmAuth auth;
+    private final RealmModel realm;
+    private final AdminEventBuilder adminEvent;
+
+    @Context
+    protected KeycloakSession session;
+
+    @Context
+    protected UriInfo uriInfo;
+
+    public ClientInitialAccessResource(RealmModel realm, RealmAuth auth, AdminEventBuilder adminEvent) {
+        this.auth = auth;
+        this.realm = realm;
+        this.adminEvent = adminEvent;
+
+        auth.init(RealmAuth.Resource.CLIENT);
+    }
+
+    /**
+     * Create a new initial access token.
+     *
+     * @param config
+     * @return
+     */
+    @POST
+    @Consumes(MediaType.APPLICATION_JSON)
+    @Produces(MediaType.APPLICATION_JSON)
+    public ClientInitialAccessPresentation create(ClientInitialAccessCreatePresentation config, @Context final HttpServletResponse response) {
+        auth.requireManage();
+
+        int expiration = config.getExpiration() != null ? config.getExpiration() : 0;
+        int count = config.getCount() != null ? config.getCount() : 1;
+
+        ClientInitialAccessModel clientInitialAccessModel = session.sessions().createClientInitialAccessModel(realm, expiration, count);
+
+        adminEvent.operation(OperationType.CREATE).resourcePath(uriInfo, clientInitialAccessModel.getId()).representation(config).success();
+
+        if (session.getTransaction().isActive()) {
+            session.getTransaction().commit();
+        }
+
+        ClientInitialAccessPresentation rep = wrap(clientInitialAccessModel);
+
+        String token = ClientRegistrationTokenUtils.createInitialAccessToken(realm, uriInfo, clientInitialAccessModel);
+        rep.setToken(token);
+
+        response.setStatus(Response.Status.CREATED.getStatusCode());
+        response.setHeader(HttpHeaders.LOCATION, uriInfo.getAbsolutePathBuilder().path(clientInitialAccessModel.getId()).build().toString());
+
+        return rep;
+    }
+    
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    public List<ClientInitialAccessPresentation> list() {
+        List<ClientInitialAccessModel> models = session.sessions().listClientInitialAccess(realm);
+        List<ClientInitialAccessPresentation> reps = new LinkedList<>();
+        for (ClientInitialAccessModel m : models) {
+            ClientInitialAccessPresentation r = wrap(m);
+            reps.add(r);
+        }
+        return reps;
+    }
+
+    @DELETE
+    @Path("{id}")
+    public void delete(final @PathParam("id") String id) {
+        session.sessions().removeClientInitialAccessModel(realm, id);
+    }
+
+    private ClientInitialAccessPresentation wrap(ClientInitialAccessModel model) {
+        ClientInitialAccessPresentation rep = new ClientInitialAccessPresentation();
+        rep.setId(model.getId());
+        rep.setTimestamp(model.getTimestamp());
+        rep.setExpiration(model.getExpiration());
+        rep.setCount(model.getCount());
+        rep.setRemainingCount(model.getRemainingCount());
+        return rep;
+    }
+
+}

services/src/main/java/org/keycloak/services/resources/admin/ClientResource.java

@@ -22,6 +22,7 @@ import org.keycloak.representations.idm.ClientRepresentation;
 import org.keycloak.representations.idm.CredentialRepresentation;
 import org.keycloak.representations.idm.UserRepresentation;
 import org.keycloak.representations.idm.UserSessionRepresentation;
+import org.keycloak.services.clientregistration.ClientRegistrationTokenUtils;
 import org.keycloak.services.managers.ClientManager;
 import org.keycloak.services.managers.RealmManager;
 import org.keycloak.services.managers.ResourceAdminManager;
@@ -228,8 +229,11 @@ public class ClientResource {
     public ClientRepresentation regenerateRegistrationAccessToken() {
         auth.requireManage();
 
-        KeycloakModelUtils.generateRegistrationAccessToken(client);
+        String token = ClientRegistrationTokenUtils.updateRegistrationAccessToken(realm, uriInfo, client);
+
         ClientRepresentation rep = ModelToRepresentation.toRepresentation(client);
+        rep.setRegistrationAccessToken(token);
+
         adminEvent.operation(OperationType.ACTION).resourcePath(uriInfo).representation(rep).success();
         return rep;
     }

services/src/main/java/org/keycloak/services/resources/admin/RealmAdminResource.java

@@ -140,6 +140,18 @@ public class RealmAdminResource {
         return clientsResource;
     }
 
+    /**
+     * Base path for managing client initial access tokens
+     *
+     * @return
+     */
+    @Path("clients-initial-access")
+    public ClientInitialAccessResource getClientInitialAccess() {
+        ClientInitialAccessResource resource = new ClientInitialAccessResource(realm, auth, adminEvent);
+        ResteasyProviderFactory.getInstance().injectProperties(resource);
+        return resource;
+    }
+
     /**
      * base path for managing realm-level roles of this realm
      *

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/client/AbstractClientRegistrationTest.java

@@ -2,6 +2,7 @@ package org.keycloak.testsuite.client;
 
 import org.junit.After;
 import org.junit.Before;
+import org.keycloak.client.registration.Auth;
 import org.keycloak.client.registration.ClientRegistration;
 import org.keycloak.client.registration.ClientRegistrationException;
 import org.keycloak.models.AdminRoles;
@@ -13,7 +14,6 @@ import org.keycloak.representations.idm.UserRepresentation;
 import org.keycloak.testsuite.AbstractKeycloakTest;
 
 import javax.ws.rs.NotFoundException;
-import javax.ws.rs.core.Response;
 import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
@@ -76,13 +76,11 @@ public abstract class AbstractClientRegistrationTest extends AbstractKeycloakTes
         testRealms.add(rep);
     }
 
-    public ClientRepresentation createClient(ClientRepresentation client) {
+    public ClientRepresentation createClient(ClientRepresentation client) throws ClientRegistrationException {
-        Response response = adminClient.realm(REALM_NAME).clients().create(client);
+        authManageClients();
-        String id = response.getLocation().toString();
+        ClientRepresentation response = reg.create(client);
-        id = id.substring(id.lastIndexOf('/') + 1);
+        reg.auth(null);
-        client.setId(id);
+        return response;
-        response.close();
-        return client;
     }
 
     public ClientRepresentation getClient(String clientId) {
@@ -93,4 +91,20 @@ public abstract class AbstractClientRegistrationTest extends AbstractKeycloakTes
         }
     }
 
+    void authCreateClients() {
+        reg.auth(Auth.token(getToken("create-clients", "password")));
+    }
+
+    void authManageClients() {
+        reg.auth(Auth.token(getToken("manage-clients", "password")));
+    }
+
+    void authNoAccess() {
+        reg.auth(Auth.token(getToken("no-access", "password")));
+    }
+
+    private String getToken(String username, String password) {
+        return oauthClient.getToken(REALM_NAME, "security-admin-console", null, username, password).getToken();
+    }
+
 }

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/client/ClientRegistrationTest.java

@@ -196,20 +196,4 @@ public class ClientRegistrationTest extends AbstractClientRegistrationTest {
         }
     }
 
-    private void authCreateClients() {
-        reg.auth(Auth.token(getToken("create-clients", "password")));
-    }
-
-    private void authManageClients() {
-        reg.auth(Auth.token(getToken("manage-clients", "password")));
-    }
-
-    private void authNoAccess() {
-        reg.auth(Auth.token(getToken("no-access", "password")));
-    }
-
-    private String getToken(String username, String password) {
-        return oauthClient.getToken(REALM_NAME, "security-admin-console", null, username, password).getToken();
-    }
-
 }

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/client/InitialAccessTokenTest.java

@@ -0,0 +1,101 @@
+package org.keycloak.testsuite.client;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.keycloak.admin.client.resource.ClientInitialAccessResource;
+import org.keycloak.client.registration.Auth;
+import org.keycloak.client.registration.ClientRegistrationException;
+import org.keycloak.client.registration.HttpErrorException;
+import org.keycloak.representations.idm.ClientInitialAccessCreatePresentation;
+import org.keycloak.representations.idm.ClientInitialAccessPresentation;
+import org.keycloak.representations.idm.ClientRepresentation;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class InitialAccessTokenTest extends AbstractClientRegistrationTest {
+
+    private ClientInitialAccessResource resource;
+
+    @Before
+    public void before() throws Exception {
+        super.before();
+
+        resource = adminClient.realm(REALM_NAME).clientInitialAccess();
+    }
+
+    @Test
+    public void create() throws ClientRegistrationException {
+        ClientInitialAccessPresentation response = resource.create(new ClientInitialAccessCreatePresentation());
+
+        reg.auth(Auth.token(response));
+
+        ClientRepresentation rep = new ClientRepresentation();
+
+        ClientRepresentation created = reg.create(rep);
+        Assert.assertNotNull(created);
+
+        try {
+            reg.create(rep);
+        } catch (ClientRegistrationException e) {
+            Assert.assertEquals(403, ((HttpErrorException) e.getCause()).getStatusLine().getStatusCode());
+        }
+    }
+
+    @Test
+    public void createMultiple() throws ClientRegistrationException {
+        ClientInitialAccessPresentation response = resource.create(new ClientInitialAccessCreatePresentation(0, 2));
+
+        reg.auth(Auth.token(response));
+
+        ClientRepresentation rep = new ClientRepresentation();
+
+        ClientRepresentation created = reg.create(rep);
+        Assert.assertNotNull(created);
+
+        created = reg.create(rep);
+        Assert.assertNotNull(created);
+
+        try {
+            reg.create(rep);
+        } catch (ClientRegistrationException e) {
+            Assert.assertEquals(403, ((HttpErrorException) e.getCause()).getStatusLine().getStatusCode());
+        }
+    }
+
+    @Test
+    public void createExpired() throws ClientRegistrationException, InterruptedException {
+        ClientInitialAccessPresentation response = resource.create(new ClientInitialAccessCreatePresentation(1, 1));
+
+        reg.auth(Auth.token(response));
+
+        ClientRepresentation rep = new ClientRepresentation();
+
+        Thread.sleep(2);
+
+        try {
+            reg.create(rep);
+        } catch (ClientRegistrationException e) {
+            Assert.assertEquals(403, ((HttpErrorException) e.getCause()).getStatusLine().getStatusCode());
+        }
+    }
+
+    @Test
+    public void createDeleted() throws ClientRegistrationException, InterruptedException {
+        ClientInitialAccessPresentation response = resource.create(new ClientInitialAccessCreatePresentation());
+
+        reg.auth(Auth.token(response));
+
+        resource.delete(response.getId());
+
+        ClientRepresentation rep = new ClientRepresentation();
+
+        try {
+            reg.create(rep);
+        } catch (ClientRegistrationException e) {
+            Assert.assertEquals(403, ((HttpErrorException) e.getCause()).getStatusLine().getStatusCode());
+        }
+    }
+
+}

testsuite/integration-arquillian/tests/base/src/test/java/org/keycloak/testsuite/client/RegistrationAccessTokenTest.java

@@ -7,8 +7,6 @@ import org.keycloak.client.registration.ClientRegistrationException;
 import org.keycloak.client.registration.HttpErrorException;
 import org.keycloak.representations.idm.ClientRepresentation;
 
-import javax.ws.rs.core.Response;
-
 import static org.junit.Assert.*;
 
 /**
@@ -22,13 +20,13 @@ public class RegistrationAccessTokenTest extends AbstractClientRegistrationTest
     public void before() throws Exception {
         super.before();
 
-        client = new ClientRepresentation();
+        ClientRepresentation c = new ClientRepresentation();
-        client.setEnabled(true);
+        c.setEnabled(true);
-        client.setClientId("RegistrationAccessTokenTest");
+        c.setClientId("RegistrationAccessTokenTest");
-        client.setSecret("RegistrationAccessTokenTestClientSecret");
+        c.setSecret("RegistrationAccessTokenTestClientSecret");
-        client.setRegistrationAccessToken("RegistrationAccessTokenTestRegistrationAccessToken");
+        c.setRootUrl("http://root");
-        client.setRootUrl("http://root");
+
-        client = createClient(client);
+        client = createClient(c);
 
         reg.auth(Auth.token(client.getRegistrationAccessToken()));
     }
@@ -36,7 +34,7 @@ public class RegistrationAccessTokenTest extends AbstractClientRegistrationTest
     private ClientRepresentation assertRead(String id, String registrationAccess, boolean expectSuccess) throws ClientRegistrationException {
         if (expectSuccess) {
             reg.auth(Auth.token(registrationAccess));
-            ClientRepresentation rep = reg.get(client.getClientId());
+            ClientRepresentation rep = reg.get(id);
             assertNotNull(rep);
             return rep;
         } else {
@@ -76,6 +74,7 @@ public class RegistrationAccessTokenTest extends AbstractClientRegistrationTest
     @Test
     public void updateClientWithRegistrationToken() throws ClientRegistrationException {
         client.setRootUrl("http://newroot");
+
         ClientRepresentation rep = reg.update(client);
 
         assertEquals("http://newroot", getClient(client.getId()).getRootUrl());

testsuite/integration/src/test/java/org/keycloak/testsuite/admin/ClientInitialAccessTest.java

@@ -0,0 +1,58 @@
+package org.keycloak.testsuite.admin;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.keycloak.admin.client.resource.ClientInitialAccessResource;
+import org.keycloak.representations.idm.ClientInitialAccessCreatePresentation;
+import org.keycloak.representations.idm.ClientInitialAccessPresentation;
+
+import javax.ws.rs.core.Response;
+import java.net.URI;
+import java.util.List;
+
+/**
+ * @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
+ */
+public class ClientInitialAccessTest extends AbstractClientTest {
+
+    @Test
+    public void create() {
+        ClientInitialAccessResource resource = keycloak.realm(REALM_NAME).clientInitialAccess();
+
+        ClientInitialAccessPresentation access = resource.create(new ClientInitialAccessCreatePresentation(1000, 2));
+        Assert.assertEquals(new Integer(2), access.getCount());
+        Assert.assertEquals(new Integer(2), access.getRemainingCount());
+        Assert.assertEquals(new Integer(1000), access.getExpiration());
+        Assert.assertNotNull(access.getTimestamp());
+        Assert.assertNotNull(access.getToken());
+
+        ClientInitialAccessPresentation access2 = resource.create(new ClientInitialAccessCreatePresentation());
+
+        List<ClientInitialAccessPresentation> list = resource.list();
+        Assert.assertEquals(2, list.size());
+
+        for (ClientInitialAccessPresentation r : list) {
+            if (r.getId().equals(access.getId())) {
+                Assert.assertEquals(new Integer(2), r.getCount());
+                Assert.assertEquals(new Integer(2), r.getRemainingCount());
+                Assert.assertEquals(new Integer(1000), r.getExpiration());
+                Assert.assertNotNull(r.getTimestamp());
+                Assert.assertNull(r.getToken());
+            } else if(r.getId().equals(access2.getId())) {
+                Assert.assertEquals(new Integer(1), r.getCount());
+                Assert.assertEquals(new Integer(1), r.getRemainingCount());
+                Assert.assertEquals(new Integer(0), r.getExpiration());
+                Assert.assertNotNull(r.getTimestamp());
+                Assert.assertNull(r.getToken());
+            } else {
+                Assert.fail("Unexpected id");
+            }
+        }
+
+        resource.delete(access.getId());
+        resource.delete(access2.getId());
+
+        Assert.assertTrue(resource.list().isEmpty());
+    }
+
+}