Restore deprecated DSE authentication API stubs

core-shaded/pom.xml

@@ -356,8 +356,8 @@
                 1) The driver's packages (API and internal);
                 2) All shaded packages, except Guava which resides in a separate bundle.
                 -->
-                <!-- DSE-namespaced exports retain reactive APIs and metadata compatibility shells. -->
-                <Export-Package>com.datastax.oss.driver.api.core.*, com.datastax.oss.driver.internal.core.*, com.datastax.dse.driver.api.core.cql.reactive, com.datastax.dse.driver.api.core.metadata.*, com.datastax.dse.driver.internal.core.cql.reactive, com.datastax.dse.driver.internal.core.util.concurrent, com.datastax.oss.driver.shaded.netty.*, com.datastax.oss.driver.shaded.fasterxml.jackson.*,</Export-Package>
+                <!-- DSE-namespaced exports contain APIs retained for compatibility. -->
+                <Export-Package>com.datastax.oss.driver.api.core.*, com.datastax.oss.driver.internal.core.*, com.datastax.dse.driver.api.core.auth, com.datastax.dse.driver.api.core.config, com.datastax.dse.driver.api.core.cql.reactive, com.datastax.dse.driver.api.core.metadata.*, com.datastax.dse.driver.internal.core.cql.reactive, com.datastax.dse.driver.internal.core.util.concurrent, com.datastax.oss.driver.shaded.netty.*, com.datastax.oss.driver.shaded.fasterxml.jackson.*,</Export-Package>
               </instructions>
               <rebuildBundle>true</rebuildBundle>
             </configuration>

core/pom.xml

@@ -290,8 +290,8 @@
                   optional for dependencies declared as non-optional in the pom files.
                   -->jnr.*;resolution:=optional, org.reactivestreams.*;resolution:=optional, reactor.blockhound.*;resolution:=optional, *
                 </Import-Package>
-                <!-- The DSE-namespaced packages below retain reactive APIs and metadata compatibility shells. -->
-                <Export-Package>com.datastax.oss.driver.*.core.*, com.datastax.dse.driver.api.core.cql.reactive, com.datastax.dse.driver.api.core.metadata.*, com.datastax.dse.driver.internal.core.cql.reactive, com.datastax.dse.driver.internal.core.util.concurrent</Export-Package>
+                <!-- The DSE-namespaced packages below contain APIs retained for compatibility. -->
+                <Export-Package>com.datastax.oss.driver.*.core.*, com.datastax.dse.driver.api.core.auth, com.datastax.dse.driver.api.core.config, com.datastax.dse.driver.api.core.cql.reactive, com.datastax.dse.driver.api.core.metadata.*, com.datastax.dse.driver.internal.core.cql.reactive, com.datastax.dse.driver.internal.core.util.concurrent</Export-Package>
               </instructions>
             </configuration>
           </execution>

core/src/main/java/com/datastax/dse/driver/api/core/auth/BaseDseAuthenticator.java

@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.datastax.dse.driver.api.core.auth;
+
+import com.datastax.oss.driver.api.core.auth.SyncAuthenticator;
+import edu.umd.cs.findbugs.annotations.NonNull;
+import edu.umd.cs.findbugs.annotations.Nullable;
+import java.nio.ByteBuffer;
+import java.util.Objects;
+import net.jcip.annotations.ThreadSafe;
+
+/**
+ * Base class retained for ordinary authentication by existing subclasses.
+ *
+ * @deprecated DSE authentication negotiation is no longer supported.
+ */
+@Deprecated
+@ThreadSafe
+public abstract class BaseDseAuthenticator implements SyncAuthenticator {
+
+  protected BaseDseAuthenticator(@NonNull String serverAuthenticator) {
+    if (Objects.requireNonNull(serverAuthenticator)
+        .equals("com.datastax.bdp.cassandra.auth.DseAuthenticator")) {
+      throw new UnsupportedOperationException(
+          "DSE authentication negotiation is no longer supported");
+    }
+  }
+
+  @NonNull
+  protected abstract ByteBuffer getMechanism();
+
+  @NonNull
+  protected abstract ByteBuffer getInitialServerChallenge();
+
+  @Nullable
+  @Override
+  public ByteBuffer initialResponseSync() {
+    return evaluateChallengeSync(getInitialServerChallenge());
+  }
+
+  @Override
+  public void onAuthenticationSuccessSync(@Nullable ByteBuffer token) {}
+}

core/src/main/java/com/datastax/dse/driver/api/core/auth/DseGssApiAuthProviderBase.java

@@ -0,0 +1,188 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.datastax.dse.driver.api.core.auth;
+
+import com.datastax.oss.driver.api.core.auth.AuthProvider;
+import com.datastax.oss.driver.api.core.auth.Authenticator;
+import com.datastax.oss.driver.api.core.metadata.EndPoint;
+import edu.umd.cs.findbugs.annotations.NonNull;
+import edu.umd.cs.findbugs.annotations.Nullable;
+import java.nio.ByteBuffer;
+import java.util.Map;
+import javax.security.auth.Subject;
+import javax.security.auth.login.Configuration;
+import net.jcip.annotations.Immutable;
+import net.jcip.annotations.NotThreadSafe;
+import net.jcip.annotations.ThreadSafe;
+
+/** @deprecated DSE GSSAPI authentication is no longer supported. */
+@Deprecated
+@ThreadSafe
+public abstract class DseGssApiAuthProviderBase implements AuthProvider {
+
+  public static final String DEFAULT_SASL_SERVICE_NAME = "dse";
+  public static final String SASL_SERVICE_NAME_PROPERTY = "dse.sasl.service";
+
+  protected DseGssApiAuthProviderBase(@NonNull String logPrefix) {
+    throw unsupported();
+  }
+
+  @NonNull
+  protected abstract GssApiOptions getOptions(
+      @NonNull EndPoint endPoint, @NonNull String serverAuthenticator);
+
+  @NonNull
+  @Override
+  public Authenticator newAuthenticator(
+      @NonNull EndPoint endPoint, @NonNull String serverAuthenticator) {
+    throw unsupported();
+  }
+
+  @Override
+  public void onMissingChallenge(@NonNull EndPoint endPoint) {
+    throw unsupported();
+  }
+
+  @Override
+  public void close() {}
+
+  private static UnsupportedOperationException unsupported() {
+    return new UnsupportedOperationException("DSE GSSAPI authentication is no longer supported");
+  }
+
+  /** @deprecated DSE GSSAPI authentication is no longer supported. */
+  @Deprecated
+  @Immutable
+  public static class GssApiOptions {
+
+    private GssApiOptions() {}
+
+    @NonNull
+    public static Builder builder() {
+      return new Builder();
+    }
+
+    @Nullable
+    public Configuration getLoginConfiguration() {
+      throw unsupported();
+    }
+
+    @Nullable
+    public Subject getSubject() {
+      throw unsupported();
+    }
+
+    @Nullable
+    public String getSaslProtocol() {
+      throw unsupported();
+    }
+
+    @Nullable
+    public String getAuthorizationId() {
+      throw unsupported();
+    }
+
+    @NonNull
+    public Map<String, String> getSaslProperties() {
+      throw unsupported();
+    }
+
+    /** @deprecated DSE GSSAPI authentication is no longer supported. */
+    @Deprecated
+    @NotThreadSafe
+    public static class Builder {
+
+      public Builder() {}
+
+      @NonNull
+      public Builder withLoginConfiguration(@Nullable Configuration loginConfiguration) {
+        throw unsupported();
+      }
+
+      @NonNull
+      public Builder withLoginConfiguration(@Nullable Map<String, String> loginConfiguration) {
+        throw unsupported();
+      }
+
+      @NonNull
+      public Builder withSubject(@Nullable Subject subject) {
+        throw unsupported();
+      }
+
+      @NonNull
+      public Builder withSaslProtocol(@Nullable String saslProtocol) {
+        throw unsupported();
+      }
+
+      @NonNull
+      public Builder withAuthorizationId(@Nullable String authorizationId) {
+        throw unsupported();
+      }
+
+      @NonNull
+      public Builder addSaslProperty(@NonNull String name, @NonNull String value) {
+        throw unsupported();
+      }
+
+      @NonNull
+      public GssApiOptions build() {
+        throw unsupported();
+      }
+
+      @SuppressWarnings("DoNotCallSuggester")
+      public static Configuration fetchLoginConfiguration(@Nullable Map<String, String> options) {
+        throw unsupported();
+      }
+    }
+  }
+
+  /** @deprecated DSE GSSAPI authentication is no longer supported. */
+  @Deprecated
+  @ThreadSafe
+  protected static class GssApiAuthenticator extends BaseDseAuthenticator {
+
+    // Keep the unused parameters for compatibility with existing subclasses.
+    @SuppressWarnings("unused")
+    protected GssApiAuthenticator(
+        @Nullable GssApiOptions options,
+        @Nullable EndPoint endPoint,
+        @Nullable String serverAuthenticator) {
+      // Do not validate the unused server name before rejecting unsupported GSSAPI.
+      super("org.apache.cassandra.auth.PasswordAuthenticator");
+      throw unsupported();
+    }
+
+    @NonNull
+    @Override
+    protected ByteBuffer getMechanism() {
+      throw unsupported();
+    }
+
+    @NonNull
+    @Override
+    protected ByteBuffer getInitialServerChallenge() {
+      throw unsupported();
+    }
+
+    @Nullable
+    @Override
+    public ByteBuffer evaluateChallengeSync(@Nullable ByteBuffer challenge) {
+      throw unsupported();
+    }
+  }
+}

core/src/main/java/com/datastax/dse/driver/api/core/auth/DsePlainTextAuthProviderBase.java

@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.datastax.dse.driver.api.core.auth;
+
+import com.datastax.oss.driver.api.core.auth.PlainTextAuthProviderBase;
+import edu.umd.cs.findbugs.annotations.NonNull;
+import net.jcip.annotations.ThreadSafe;
+
+/**
+ * @deprecated Retained for source and binary compatibility. Use {@link PlainTextAuthProviderBase}
+ *     for standard plaintext authentication.
+ */
+@Deprecated
+@ThreadSafe
+public abstract class DsePlainTextAuthProviderBase extends PlainTextAuthProviderBase {
+
+  protected DsePlainTextAuthProviderBase(@NonNull String logPrefix) {
+    super(logPrefix);
+  }
+}

core/src/main/java/com/datastax/dse/driver/api/core/auth/ProgrammaticDseGssApiAuthProvider.java

@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.datastax.dse.driver.api.core.auth;
+
+import com.datastax.oss.driver.api.core.metadata.EndPoint;
+import edu.umd.cs.findbugs.annotations.NonNull;
+import edu.umd.cs.findbugs.annotations.Nullable;
+import net.jcip.annotations.ThreadSafe;
+
+/** @deprecated DSE GSSAPI authentication is no longer supported. */
+@Deprecated
+@ThreadSafe
+public class ProgrammaticDseGssApiAuthProvider extends DseGssApiAuthProviderBase {
+
+  // Keep the unused parameter for compatibility with existing callers.
+  @SuppressWarnings("unused")
+  public ProgrammaticDseGssApiAuthProvider(@Nullable GssApiOptions options) {
+    super("");
+  }
+
+  @NonNull
+  @Override
+  protected GssApiOptions getOptions(
+      @NonNull EndPoint endPoint, @NonNull String serverAuthenticator) {
+    throw new UnsupportedOperationException("DSE GSSAPI authentication is no longer supported");
+  }
+}

core/src/main/java/com/datastax/dse/driver/api/core/auth/ProxyAuthentication.java

@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.datastax.dse.driver.api.core.auth;
+
+import com.datastax.oss.driver.api.core.cql.Statement;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/** @deprecated DSE proxy execution is no longer supported. */
+@Deprecated
+@SuppressWarnings("DoNotCallSuggester")
+public class ProxyAuthentication {
+
+  /** @deprecated DSE proxy execution is no longer supported. */
+  @Deprecated
+  @NonNull
+  public static <StatementT extends Statement<StatementT>> StatementT executeAs(
+      @NonNull String userOrRole, @NonNull StatementT statement) {
+    throw new UnsupportedOperationException("DSE proxy execution is no longer supported");
+  }
+}