diff options
Diffstat (limited to 'java/com/google/gerrit/server/auth/UniversalAuthBackend.java')
-rw-r--r-- | java/com/google/gerrit/server/auth/UniversalAuthBackend.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/auth/UniversalAuthBackend.java b/java/com/google/gerrit/server/auth/UniversalAuthBackend.java new file mode 100644 index 0000000000..94faeef130 --- /dev/null +++ b/java/com/google/gerrit/server/auth/UniversalAuthBackend.java @@ -0,0 +1,69 @@ +// 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 static java.util.Objects.requireNonNull; + +import com.google.gerrit.extensions.registration.DynamicSet; +import com.google.inject.Inject; +import com.google.inject.Singleton; +import java.util.ArrayList; +import java.util.List; + +/** Universal implementation of the AuthBackend that works with the injected set of AuthBackends. */ +@Singleton +public final class UniversalAuthBackend implements AuthBackend { + private final DynamicSet<AuthBackend> authBackends; + + @Inject + UniversalAuthBackend(DynamicSet<AuthBackend> authBackends) { + this.authBackends = authBackends; + } + + @Override + public AuthUser authenticate(AuthRequest request) throws AuthException { + List<AuthUser> authUsers = new ArrayList<>(); + List<AuthException> authExs = new ArrayList<>(); + for (AuthBackend backend : authBackends) { + try { + authUsers.add(requireNonNull(backend.authenticate(request))); + } catch (MissingCredentialsException ex) { + // Not handled by this backend. + } catch (AuthException ex) { + authExs.add(ex); + } + } + + // Handle the valid responses + if (authUsers.size() == 1) { + return authUsers.get(0); + } else if (authUsers.isEmpty() && authExs.size() == 1) { + throw authExs.get(0); + } else if (authExs.isEmpty() && authUsers.isEmpty()) { + throw new MissingCredentialsException(); + } + + String msg = + String.format( + "Multiple AuthBackends attempted to handle request: authUsers=%s authExs=%s", + authUsers, authExs); + throw new AuthException(msg); + } + + @Override + public String getDomain() { + throw new UnsupportedOperationException("UniversalAuthBackend doesn't support domain."); + } +} |