140 lines
4.9 KiB
Java
140 lines
4.9 KiB
Java
// Copyright (C) 2013 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.server.account;
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import static com.google.gerrit.server.account.ExternalId.SCHEME_USERNAME;
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import com.google.common.base.Strings;
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import com.google.gerrit.extensions.restapi.AuthException;
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import com.google.gerrit.extensions.restapi.ResourceConflictException;
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import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
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import com.google.gerrit.extensions.restapi.Response;
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import com.google.gerrit.extensions.restapi.RestModifyView;
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import com.google.gerrit.reviewdb.server.ReviewDb;
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import com.google.gerrit.server.CurrentUser;
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import com.google.gerrit.server.IdentifiedUser;
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import com.google.gerrit.server.account.PutHttpPassword.Input;
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import com.google.gwtorm.server.OrmException;
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import com.google.inject.Inject;
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import com.google.inject.Provider;
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import java.io.IOException;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import org.apache.commons.codec.binary.Base64;
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import org.eclipse.jgit.errors.ConfigInvalidException;
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public class PutHttpPassword implements RestModifyView<AccountResource, Input> {
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public static class Input {
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public String httpPassword;
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public boolean generate;
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}
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private static final int LEN = 31;
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private static final SecureRandom rng;
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static {
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try {
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rng = SecureRandom.getInstance("SHA1PRNG");
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} catch (NoSuchAlgorithmException e) {
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throw new RuntimeException("Cannot create RNG for password generator", e);
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}
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}
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private final Provider<CurrentUser> self;
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private final Provider<ReviewDb> dbProvider;
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private final ExternalIdsUpdate.User externalIdsUpdate;
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@Inject
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PutHttpPassword(
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Provider<CurrentUser> self,
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Provider<ReviewDb> dbProvider,
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ExternalIdsUpdate.User externalIdsUpdate) {
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this.self = self;
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this.dbProvider = dbProvider;
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this.externalIdsUpdate = externalIdsUpdate;
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}
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@Override
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public Response<String> apply(AccountResource rsrc, Input input)
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throws AuthException, ResourceNotFoundException, ResourceConflictException, OrmException,
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IOException, ConfigInvalidException {
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if (input == null) {
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input = new Input();
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}
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input.httpPassword = Strings.emptyToNull(input.httpPassword);
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String newPassword;
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if (input.generate) {
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if (self.get() != rsrc.getUser() && !self.get().getCapabilities().canAdministrateServer()) {
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throw new AuthException("not allowed to generate HTTP password");
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}
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newPassword = generate();
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} else if (input.httpPassword == null) {
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if (self.get() != rsrc.getUser() && !self.get().getCapabilities().canAdministrateServer()) {
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throw new AuthException("not allowed to clear HTTP password");
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}
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newPassword = null;
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} else {
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if (!self.get().getCapabilities().canAdministrateServer()) {
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throw new AuthException(
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"not allowed to set HTTP password directly, "
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+ "requires the Administrate Server permission");
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}
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newPassword = input.httpPassword;
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}
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return apply(rsrc.getUser(), newPassword);
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}
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public Response<String> apply(IdentifiedUser user, String newPassword)
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throws ResourceNotFoundException, ResourceConflictException, OrmException, IOException {
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if (user.getUserName() == null) {
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throw new ResourceConflictException("username must be set");
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}
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ExternalId extId =
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ExternalId.from(
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dbProvider
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.get()
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.accountExternalIds()
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.get(
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ExternalId.Key.create(SCHEME_USERNAME, user.getUserName())
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.asAccountExternalIdKey()));
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if (extId == null) {
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throw new ResourceNotFoundException();
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}
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ExternalId newExtId =
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ExternalId.createWithPassword(extId.key(), extId.accountId(), extId.email(), newPassword);
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externalIdsUpdate.create().upsert(dbProvider.get(), newExtId);
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return Strings.isNullOrEmpty(newPassword) ? Response.<String>none() : Response.ok(newPassword);
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}
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public static String generate() {
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byte[] rand = new byte[LEN];
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rng.nextBytes(rand);
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byte[] enc = Base64.encodeBase64(rand, false);
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StringBuilder r = new StringBuilder(enc.length);
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for (int i = 0; i < enc.length; i++) {
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if (enc[i] == '=') {
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break;
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}
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r.append((char) enc[i]);
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}
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return r.toString();
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}
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}
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