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package com.gitblit;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import org.apache.wicket.util.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.Constants.AccountType;
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 an Redmine user service.<br>
* you can login to gitblit with Redmine user id and api key.
*/
public class RedmineUserService extends GitblitUserService {
private final Logger logger = LoggerFactory.getLogger(RedmineUserService.class);
private IStoredSettings settings;
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 RedmineUserService() {
super();
}
@Override
public void setup(IStoredSettings settings) {
this.settings = settings;
String file = settings.getString(Keys.realm.redmine.backingUserService, "${baseFolder}/users.conf");
File realmFile = GitBlit.getFileOrFolder(file);
serviceImpl = createUserService(realmFile);
logger.info("Redmine User Service backed by " + serviceImpl.toString());
}
@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
protected AccountType getAccountType() {
return AccountType.REDMINE;
}
@Override
public UserModel authenticate(String username, char[] password) {
if (isLocalAccount(username)) {
// local account, bypass Redmine authentication
return super.authenticate(username, 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 = 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 = ExternalAccount;
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
super.updateUserModel(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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