1 files changed, 70 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/auth/InternalAuthBackend.java b/java/com/google/gerrit/server/auth/InternalAuthBackend.java
new file mode 100644
index 0000000000..c06c66bd8e
--- /dev/null
+++ b/java/com/google/gerrit/server/auth/InternalAuthBackend.java
@@ -0,0 +1,70 @@
+// Copyright (C) 2012 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.auth;
+
+import com.google.gerrit.server.account.AccountCache;
+import com.google.gerrit.server.account.AccountState;
+import com.google.gerrit.server.config.AuthConfig;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import java.util.Locale;
+
+@Singleton
+public class InternalAuthBackend implements AuthBackend {
+  private final AccountCache accountCache;
+  private final AuthConfig authConfig;
+
+  @Inject
+  InternalAuthBackend(AccountCache accountCache, AuthConfig authConfig) {
+    this.accountCache = accountCache;
+    this.authConfig = authConfig;
+  }
+
+  @Override
+  public String getDomain() {
+    return "gerrit";
+  }
+
+  // TODO(gerritcodereview-team): This function has no coverage.
+  @Override
+  public AuthUser authenticate(AuthRequest req)
+      throws MissingCredentialsException, InvalidCredentialsException, UnknownUserException,
+          UserNotAllowedException, AuthException {
+    if (!req.getUsername().isPresent() || !req.getPassword().isPresent()) {
+      throw new MissingCredentialsException();
+    }
+
+    String username;
+    if (authConfig.isUserNameToLowerCase()) {
+      username = req.getUsername().map(u -> u.toLowerCase(Locale.US)).get();
+    } else {
+      username = req.getUsername().get();
+    }
+
+    AccountState who = accountCache.getByUsername(username).orElseThrow(UnknownUserException::new);
+
+    if (!who.getAccount().isActive()) {
+      throw new UserNotAllowedException(
+          "Authentication failed for "
+              + username
+              + ": account inactive or not provisioned in Gerrit");
+    }
+
+    if (!who.checkPassword(req.getPassword().get(), username)) {
+      throw new InvalidCredentialsException();
+    }
+    return new AuthUser(AuthUser.UUID.create(username), username);
+  }
+}