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/*
* Copyright 2013 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.File;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gitblit.Constants.AccountType;
import com.gitblit.IStoredSettings;
import com.gitblit.manager.IRuntimeManager;
import com.gitblit.manager.IUserManager;
import com.gitblit.models.TeamModel;
import com.gitblit.models.UserModel;
import com.gitblit.utils.ArrayUtils;
import com.gitblit.utils.StringUtils;
public abstract class AuthenticationProvider {
public static NullProvider NULL_PROVIDER = new NullProvider();
protected final Logger logger = LoggerFactory.getLogger(getClass());
protected final String serviceName;
protected File baseFolder;
protected IStoredSettings settings;
protected IRuntimeManager runtimeManager;
protected IUserManager userManager;
protected AuthenticationProvider(String serviceName) {
this.serviceName = serviceName;
}
/**
* Returns the file object for the specified configuration key.
*
* @return the file
*/
public File getFileOrFolder(String key, String defaultFileOrFolder) {
return runtimeManager.getFileOrFolder(key, defaultFileOrFolder);
}
public final void setup(IRuntimeManager runtimeManager, IUserManager userManager) {
this.baseFolder = runtimeManager.getBaseFolder();
this.settings = runtimeManager.getSettings();
this.runtimeManager = runtimeManager;
this.userManager = userManager;
setup();
}
public String getServiceName() {
return serviceName;
}
protected void setCookie(UserModel user, char [] password) {
// create a user cookie
if (StringUtils.isEmpty(user.cookie) && !ArrayUtils.isEmpty(password)) {
user.cookie = StringUtils.getSHA1(user.username + new String(password));
}
}
protected void updateUser(UserModel userModel) {
// TODO implement user model change detection
// account for new user and revised user
// username
// displayname
// email address
// cookie
userManager.updateUserModel(userModel);
}
protected void updateTeam(TeamModel teamModel) {
// TODO implement team model change detection
// account for new team and revised team
// memberships
userManager.updateTeamModel(teamModel);
}
public abstract void setup();
public abstract void stop();
public abstract UserModel authenticate(String username, char[] password);
public abstract AccountType getAccountType();
/**
* Does the user service support changes to credentials?
*
* @return true or false
* @since 1.0.0
*/
public abstract boolean supportsCredentialChanges();
/**
* Returns true if the user's display name can be changed.
*
* @param user
* @return true if the user service supports display name changes
*/
public abstract boolean supportsDisplayNameChanges();
/**
* Returns true if the user's email address can be changed.
*
* @param user
* @return true if the user service supports email address changes
*/
public abstract boolean supportsEmailAddressChanges();
/**
* Returns true if the user's team memberships can be changed.
*
* @param user
* @return true if the user service supports team membership changes
*/
public abstract boolean supportsTeamMembershipChanges();
@Override
public String toString() {
return getServiceName() + " (" + getClass().getName() + ")";
}
public abstract static class UsernamePasswordAuthenticationProvider extends AuthenticationProvider {
protected UsernamePasswordAuthenticationProvider(String serviceName) {
super(serviceName);
}
@Override
public void stop() {
}
}
public static class NullProvider extends AuthenticationProvider {
protected NullProvider() {
super("NULL");
}
@Override
public void setup() {
}
@Override
public void stop() {
}
@Override
public UserModel authenticate(String username, char[] password) {
return null;
}
@Override
public AccountType getAccountType() {
return AccountType.LOCAL;
}
@Override
public boolean supportsCredentialChanges() {
return true;
}
@Override
public boolean supportsDisplayNameChanges() {
return true;
}
@Override
public boolean supportsEmailAddressChanges() {
return true;
}
@Override
public boolean supportsTeamMembershipChanges() {
return true;
}
}
}
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