| // Copyright (C) 2013 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.account; |
| |
| import static com.google.gerrit.server.account.ExternalId.SCHEME_USERNAME; |
| |
| import com.google.common.base.Strings; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.ResourceConflictException; |
| import com.google.gerrit.extensions.restapi.ResourceNotFoundException; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.extensions.restapi.RestModifyView; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.account.PutHttpPassword.Input; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import java.io.IOException; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.SecureRandom; |
| import org.apache.commons.codec.binary.Base64; |
| import org.eclipse.jgit.errors.ConfigInvalidException; |
| |
| public class PutHttpPassword implements RestModifyView<AccountResource, Input> { |
| public static class Input { |
| public String httpPassword; |
| public boolean generate; |
| } |
| |
| private static final int LEN = 31; |
| private static final SecureRandom rng; |
| |
| static { |
| try { |
| rng = SecureRandom.getInstance("SHA1PRNG"); |
| } catch (NoSuchAlgorithmException e) { |
| throw new RuntimeException("Cannot create RNG for password generator", e); |
| } |
| } |
| |
| private final Provider<CurrentUser> self; |
| private final Provider<ReviewDb> dbProvider; |
| private final ExternalIdsUpdate.User externalIdsUpdate; |
| |
| @Inject |
| PutHttpPassword( |
| Provider<CurrentUser> self, |
| Provider<ReviewDb> dbProvider, |
| ExternalIdsUpdate.User externalIdsUpdate) { |
| this.self = self; |
| this.dbProvider = dbProvider; |
| this.externalIdsUpdate = externalIdsUpdate; |
| } |
| |
| @Override |
| public Response<String> apply(AccountResource rsrc, Input input) |
| throws AuthException, ResourceNotFoundException, ResourceConflictException, OrmException, |
| IOException, ConfigInvalidException { |
| if (input == null) { |
| input = new Input(); |
| } |
| input.httpPassword = Strings.emptyToNull(input.httpPassword); |
| |
| String newPassword; |
| if (input.generate) { |
| if (self.get() != rsrc.getUser() && !self.get().getCapabilities().canAdministrateServer()) { |
| throw new AuthException("not allowed to generate HTTP password"); |
| } |
| newPassword = generate(); |
| |
| } else if (input.httpPassword == null) { |
| if (self.get() != rsrc.getUser() && !self.get().getCapabilities().canAdministrateServer()) { |
| throw new AuthException("not allowed to clear HTTP password"); |
| } |
| newPassword = null; |
| } else { |
| if (!self.get().getCapabilities().canAdministrateServer()) { |
| throw new AuthException( |
| "not allowed to set HTTP password directly, " |
| + "requires the Administrate Server permission"); |
| } |
| newPassword = input.httpPassword; |
| } |
| return apply(rsrc.getUser(), newPassword); |
| } |
| |
| public Response<String> apply(IdentifiedUser user, String newPassword) |
| throws ResourceNotFoundException, ResourceConflictException, OrmException, IOException { |
| if (user.getUserName() == null) { |
| throw new ResourceConflictException("username must be set"); |
| } |
| |
| ExternalId extId = |
| ExternalId.from( |
| dbProvider |
| .get() |
| .accountExternalIds() |
| .get( |
| ExternalId.Key.create(SCHEME_USERNAME, user.getUserName()) |
| .asAccountExternalIdKey())); |
| if (extId == null) { |
| throw new ResourceNotFoundException(); |
| } |
| ExternalId newExtId = |
| ExternalId.createWithPassword(extId.key(), extId.accountId(), extId.email(), newPassword); |
| externalIdsUpdate.create().upsert(dbProvider.get(), newExtId); |
| |
| return Strings.isNullOrEmpty(newPassword) ? Response.<String>none() : Response.ok(newPassword); |
| } |
| |
| public static String generate() { |
| byte[] rand = new byte[LEN]; |
| rng.nextBytes(rand); |
| |
| byte[] enc = Base64.encodeBase64(rand, false); |
| StringBuilder r = new StringBuilder(enc.length); |
| for (int i = 0; i < enc.length; i++) { |
| if (enc[i] == '=') { |
| break; |
| } |
| r.append((char) enc[i]); |
| } |
| return r.toString(); |
| } |
| } |