| // 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.restapi.account; |
| |
| import static com.google.gerrit.server.account.externalids.ExternalId.SCHEME_USERNAME; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.common.errors.EmailException; |
| import com.google.gerrit.extensions.common.HttpPasswordInput; |
| 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.server.CurrentUser; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.UsedAt; |
| import com.google.gerrit.server.UserInitiated; |
| import com.google.gerrit.server.account.AccountResource; |
| import com.google.gerrit.server.account.AccountsUpdate; |
| import com.google.gerrit.server.account.externalids.ExternalId; |
| import com.google.gerrit.server.account.externalids.ExternalIds; |
| import com.google.gerrit.server.mail.send.HttpPasswordUpdateSender; |
| import com.google.gerrit.server.permissions.GlobalPermission; |
| import com.google.gerrit.server.permissions.PermissionBackend; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.security.NoSuchAlgorithmException; |
| import java.security.SecureRandom; |
| import java.util.Optional; |
| import org.apache.commons.codec.binary.Base64; |
| import org.eclipse.jgit.errors.ConfigInvalidException; |
| |
| @Singleton |
| public class PutHttpPassword implements RestModifyView<AccountResource, HttpPasswordInput> { |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| 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 PermissionBackend permissionBackend; |
| private final ExternalIds externalIds; |
| private final Provider<AccountsUpdate> accountsUpdateProvider; |
| private final HttpPasswordUpdateSender.Factory httpPasswordUpdateSenderFactory; |
| |
| @Inject |
| PutHttpPassword( |
| Provider<CurrentUser> self, |
| PermissionBackend permissionBackend, |
| ExternalIds externalIds, |
| @UserInitiated Provider<AccountsUpdate> accountsUpdateProvider, |
| HttpPasswordUpdateSender.Factory httpPasswordUpdateSenderFactory) { |
| this.self = self; |
| this.permissionBackend = permissionBackend; |
| this.externalIds = externalIds; |
| this.accountsUpdateProvider = accountsUpdateProvider; |
| this.httpPasswordUpdateSenderFactory = httpPasswordUpdateSenderFactory; |
| } |
| |
| @Override |
| public Response<String> apply(AccountResource rsrc, HttpPasswordInput input) |
| throws AuthException, ResourceNotFoundException, ResourceConflictException, OrmException, |
| IOException, ConfigInvalidException, PermissionBackendException { |
| if (!self.get().hasSameAccountId(rsrc.getUser())) { |
| permissionBackend.currentUser().check(GlobalPermission.ADMINISTRATE_SERVER); |
| } |
| |
| if (input == null) { |
| input = new HttpPasswordInput(); |
| } |
| input.httpPassword = Strings.emptyToNull(input.httpPassword); |
| |
| String newPassword; |
| if (input.generate) { |
| newPassword = generate(); |
| } else if (input.httpPassword == null) { |
| newPassword = null; |
| } else { |
| // Only administrators can explicitly set the password. |
| permissionBackend.currentUser().check(GlobalPermission.ADMINISTRATE_SERVER); |
| newPassword = input.httpPassword; |
| } |
| return apply(rsrc.getUser(), newPassword); |
| } |
| |
| @UsedAt(UsedAt.Project.PLUGIN_SERVICEUSER) |
| public Response<String> apply(IdentifiedUser user, String newPassword) |
| throws ResourceNotFoundException, ResourceConflictException, OrmException, IOException, |
| ConfigInvalidException { |
| String userName = |
| user.getUserName().orElseThrow(() -> new ResourceConflictException("username must be set")); |
| Optional<ExternalId> optionalExtId = |
| externalIds.get(ExternalId.Key.create(SCHEME_USERNAME, userName)); |
| ExternalId extId = optionalExtId.orElseThrow(ResourceNotFoundException::new); |
| accountsUpdateProvider |
| .get() |
| .update( |
| "Set HTTP Password via API", |
| extId.accountId(), |
| u -> |
| u.updateExternalId( |
| ExternalId.createWithPassword( |
| extId.key(), extId.accountId(), extId.email(), newPassword))); |
| |
| try { |
| httpPasswordUpdateSenderFactory |
| .create(user, newPassword == null ? "deleted" : "added or updated") |
| .send(); |
| } catch (EmailException e) { |
| logger.atSevere().withCause(e).log( |
| "Cannot send HttpPassword update message to %s", user.getAccount().getPreferredEmail()); |
| } |
| |
| return Strings.isNullOrEmpty(newPassword) ? Response.<String>none() : Response.ok(newPassword); |
| } |
| |
| @UsedAt(UsedAt.Project.PLUGIN_SERVICEUSER) |
| 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(); |
| } |
| } |