| // 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.query.account; |
| |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.index.query.PostFilterPredicate; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.account.AccountState; |
| import com.google.gerrit.server.notedb.ChangeNotes; |
| import com.google.gerrit.server.permissions.ChangePermission; |
| import com.google.gerrit.server.permissions.PermissionBackend; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Provider; |
| |
| public class CanSeeChangePredicate extends PostFilterPredicate<AccountState> { |
| private final Provider<ReviewDb> db; |
| private final PermissionBackend permissionBackend; |
| private final ChangeNotes changeNotes; |
| |
| CanSeeChangePredicate( |
| Provider<ReviewDb> db, PermissionBackend permissionBackend, ChangeNotes changeNotes) { |
| super(AccountQueryBuilder.FIELD_CAN_SEE, changeNotes.getChangeId().toString()); |
| this.db = db; |
| this.permissionBackend = permissionBackend; |
| this.changeNotes = changeNotes; |
| } |
| |
| @Override |
| public boolean match(AccountState accountState) throws OrmException { |
| try { |
| permissionBackend |
| .absentUser(accountState.getAccount().getId()) |
| .database(db) |
| .change(changeNotes) |
| .check(ChangePermission.READ); |
| return true; |
| } catch (PermissionBackendException e) { |
| throw new OrmException("Failed to check if account can see change", e); |
| } catch (AuthException e) { |
| return false; |
| } |
| } |
| |
| @Override |
| public int getCost() { |
| return 1; |
| } |
| } |