1 files changed, 48 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/mail/send/OutgoingEmailValidator.java b/java/com/google/gerrit/server/mail/send/OutgoingEmailValidator.java
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index 0000000000..bc6c89ebb6
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+++ b/java/com/google/gerrit/server/mail/send/OutgoingEmailValidator.java
@@ -0,0 +1,48 @@
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed 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.google.gerrit.server.mail.send;
+
+import static org.apache.commons.validator.routines.DomainValidator.ArrayType.GENERIC_PLUS;
+
+import com.google.common.flogger.FluentLogger;
+import com.google.gerrit.server.config.GerritServerConfig;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import org.apache.commons.validator.routines.DomainValidator;
+import org.apache.commons.validator.routines.EmailValidator;
+import org.eclipse.jgit.lib.Config;
+
+@Singleton
+public class OutgoingEmailValidator {
+  private static final FluentLogger logger = FluentLogger.forEnclosingClass();
+
+  @Inject
+  OutgoingEmailValidator(@GerritServerConfig Config config) {
+    String[] allowTLD = config.getStringList("sendemail", null, "allowTLD");
+    if (allowTLD.length != 0) {
+      try {
+        DomainValidator.updateTLDOverride(GENERIC_PLUS, allowTLD);
+      } catch (IllegalStateException e) {
+        // Should only happen in tests, where the OutgoingEmailValidator
+        // is instantiated repeatedly.
+        logger.atSevere().log("Failed to update TLD override: %s", e.getMessage());
+      }
+    }
+  }
+
+  public boolean isValid(String addr) {
+    return EmailValidator.getInstance(true, true).isValid(addr);
+  }
+}