/*
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* Copyright 2013 gitblit.com.
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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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*/
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package com.gitblit.auth;
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import java.io.File;
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import java.math.BigInteger;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.Constants.AccountType;
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import com.gitblit.IStoredSettings;
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import com.gitblit.manager.IRuntimeManager;
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import com.gitblit.manager.IUserManager;
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import com.gitblit.models.TeamModel;
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import com.gitblit.models.UserModel;
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import com.gitblit.utils.ArrayUtils;
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import com.gitblit.utils.DeepCopier;
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import com.gitblit.utils.StringUtils;
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public abstract class AuthenticationProvider {
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public static NullProvider NULL_PROVIDER = new NullProvider();
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protected final Logger logger = LoggerFactory.getLogger(getClass());
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protected final String serviceName;
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protected File baseFolder;
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protected IStoredSettings settings;
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protected IRuntimeManager runtimeManager;
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protected IUserManager userManager;
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protected AuthenticationProvider(String serviceName) {
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this.serviceName = serviceName;
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}
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/**
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* Returns the file object for the specified configuration key.
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*
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* @return the file
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*/
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public File getFileOrFolder(String key, String defaultFileOrFolder) {
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return runtimeManager.getFileOrFolder(key, defaultFileOrFolder);
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}
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public final void setup(IRuntimeManager runtimeManager, IUserManager userManager) {
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this.baseFolder = runtimeManager.getBaseFolder();
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this.settings = runtimeManager.getSettings();
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this.runtimeManager = runtimeManager;
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this.userManager = userManager;
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setup();
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}
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public String getServiceName() {
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return serviceName;
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}
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protected void setCookie(UserModel user, char [] password) {
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// create a user cookie
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if (StringUtils.isEmpty(user.cookie) && !ArrayUtils.isEmpty(password)) {
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user.cookie = StringUtils.getSHA1(user.username + new String(password));
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}
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}
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protected void updateUser(UserModel userModel) {
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final UserModel userLocalDB = userManager.getUserModel(userModel.getName());
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// Establish the checksum of the current version of the user
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final BigInteger userCurrentCheck = DeepCopier.checksum(userModel);
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// Establish the checksum of the stored version of the user
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final BigInteger userLocalDBcheck = DeepCopier.checksum(userLocalDB);
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// Compare the checksums
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if (!userCurrentCheck.equals(userLocalDBcheck)) {
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// If mismatch, save the new instance.
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userManager.updateUserModel(userModel);
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}
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}
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protected void updateTeam(TeamModel teamModel) {
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final TeamModel teamLocalDB = userManager.getTeamModel(teamModel.name);
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// Establish the checksum of the current version of the team
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final BigInteger teamCurrentCheck = DeepCopier.checksum(teamModel);
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// Establish the checksum of the stored version of the team
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final BigInteger teamLocalDBcheck = DeepCopier.checksum(teamLocalDB);
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// Compare the checksums
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if (!teamCurrentCheck.equals(teamLocalDBcheck)) {
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// If mismatch, save the new instance.
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userManager.updateTeamModel(teamModel);
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}
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}
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public abstract void setup();
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public abstract void stop();
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public abstract UserModel authenticate(String username, char[] password);
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public abstract AccountType getAccountType();
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/**
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* Does the user service support changes to credentials?
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*
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* @return true or false
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* @since 1.0.0
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*/
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public abstract boolean supportsCredentialChanges();
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/**
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* Returns true if the user's display name can be changed.
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*
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* @param user
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* @return true if the user service supports display name changes
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*/
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public abstract boolean supportsDisplayNameChanges();
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/**
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* Returns true if the user's email address can be changed.
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*
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* @param user
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* @return true if the user service supports email address changes
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*/
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public abstract boolean supportsEmailAddressChanges();
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/**
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* Returns true if the user's team memberships can be changed.
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*
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* @param user
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* @return true if the user service supports team membership changes
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*/
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public abstract boolean supportsTeamMembershipChanges();
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@Override
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public String toString() {
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return getServiceName() + " (" + getClass().getName() + ")";
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}
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public abstract static class UsernamePasswordAuthenticationProvider extends AuthenticationProvider {
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protected UsernamePasswordAuthenticationProvider(String serviceName) {
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super(serviceName);
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}
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@Override
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public void stop() {
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}
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}
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public static class NullProvider extends AuthenticationProvider {
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protected NullProvider() {
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super("NULL");
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}
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@Override
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public void setup() {
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}
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@Override
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public void stop() {
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}
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@Override
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public UserModel authenticate(String username, char[] password) {
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return null;
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}
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@Override
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public AccountType getAccountType() {
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return AccountType.LOCAL;
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}
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@Override
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public boolean supportsCredentialChanges() {
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return true;
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}
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@Override
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public boolean supportsDisplayNameChanges() {
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return true;
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}
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@Override
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public boolean supportsEmailAddressChanges() {
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return true;
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}
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@Override
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public boolean supportsTeamMembershipChanges() {
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return true;
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}
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}
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}
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