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- /*
- * Copyright 2012 gitblit.com.
- *
- * 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.gitblit.auth;
-
- import java.io.IOException;
- import java.io.InputStreamReader;
- import java.net.HttpURLConnection;
-
- import org.apache.wicket.util.io.IOUtils;
-
- import com.gitblit.Constants;
- import com.gitblit.Constants.AccountType;
- import com.gitblit.Keys;
- import com.gitblit.auth.AuthenticationProvider.UsernamePasswordAuthenticationProvider;
- import com.gitblit.models.UserModel;
- import com.gitblit.utils.ArrayUtils;
- import com.gitblit.utils.ConnectionUtils;
- import com.gitblit.utils.StringUtils;
- import com.google.gson.Gson;
-
- /**
- * Implementation of Redmine authentication.<br>
- * you can login to gitblit with Redmine user id and api key.
- */
- public class RedmineAuthProvider extends UsernamePasswordAuthenticationProvider {
-
- private String testingJson;
-
- private class RedmineCurrent {
- private class RedmineUser {
- public String login;
- public String firstname;
- public String lastname;
- public String mail;
- }
-
- public RedmineUser user;
- }
-
- public RedmineAuthProvider() {
- super("redmine");
- }
-
- @Override
- public void setup() {
- }
-
- @Override
- public boolean supportsCredentialChanges() {
- return false;
- }
-
- @Override
- public boolean supportsDisplayNameChanges() {
- return false;
- }
-
- @Override
- public boolean supportsEmailAddressChanges() {
- return false;
- }
-
- @Override
- public boolean supportsTeamMembershipChanges() {
- return false;
- }
-
- @Override
- public AccountType getAccountType() {
- return AccountType.REDMINE;
- }
-
- @Override
- public UserModel authenticate(String username, char[] password) {
- String jsonString = null;
- try {
- // first attempt by username/password
- jsonString = getCurrentUserAsJson(username, password);
- } catch (Exception e1) {
- logger.warn("Failed to authenticate via username/password against Redmine");
- try {
- // second attempt is by apikey
- jsonString = getCurrentUserAsJson(null, password);
- username = null;
- } catch (Exception e2) {
- logger.error("Failed to authenticate via apikey against Redmine", e2);
- return null;
- }
- }
-
- if (StringUtils.isEmpty(jsonString)) {
- logger.error("Received empty authentication response from Redmine");
- return null;
- }
-
- RedmineCurrent current = null;
- try {
- current = new Gson().fromJson(jsonString, RedmineCurrent.class);
- } catch (Exception e) {
- logger.error("Failed to deserialize Redmine json response: " + jsonString, e);
- return null;
- }
-
- if (StringUtils.isEmpty(username)) {
- // if the username has been reset because of apikey authentication
- // then use the email address of the user. this is the original
- // behavior as contributed by github/mallowlabs
- username = current.user.mail;
- }
-
- UserModel user = userManager.getUserModel(username);
- if (user == null) // create user object for new authenticated user
- user = new UserModel(username.toLowerCase());
-
- // create a user cookie
- if (StringUtils.isEmpty(user.cookie) && !ArrayUtils.isEmpty(password)) {
- user.cookie = StringUtils.getSHA1(user.username + new String(password));
- }
-
- // update user attributes from Redmine
- user.accountType = getAccountType();
- user.displayName = current.user.firstname + " " + current.user.lastname;
- user.emailAddress = current.user.mail;
- user.password = Constants.EXTERNAL_ACCOUNT;
- if (!StringUtils.isEmpty(current.user.login)) {
- // only admin users can get login name
- // evidently this is an undocumented behavior of Redmine
- user.canAdmin = true;
- }
-
- // TODO consider Redmine group mapping for team membership
- // http://www.redmine.org/projects/redmine/wiki/Rest_Users
-
- // push the changes to the backing user service
- updateUser(user);
-
- return user;
- }
-
- private String getCurrentUserAsJson(String username, char [] password) throws IOException {
- if (testingJson != null) { // for testing
- return testingJson;
- }
-
- String url = this.settings.getString(Keys.realm.redmine.url, "");
- if (!url.endsWith("/")) {
- url = url.concat("/");
- }
- HttpURLConnection http;
- if (username == null) {
- // apikey authentication
- String apiKey = String.valueOf(password);
- String apiUrl = url + "users/current.json?key=" + apiKey;
- http = (HttpURLConnection) ConnectionUtils.openConnection(apiUrl, null, null);
- } else {
- // username/password BASIC authentication
- String apiUrl = url + "users/current.json";
- http = (HttpURLConnection) ConnectionUtils.openConnection(apiUrl, username, password);
- }
- http.setRequestMethod("GET");
- http.connect();
- InputStreamReader reader = new InputStreamReader(http.getInputStream());
- return IOUtils.toString(reader);
- }
-
- /**
- * set json response. do NOT invoke from production code.
- * @param json json
- */
- public void setTestingCurrentUserAsJson(String json) {
- this.testingJson = json;
- }
- }
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