com.appslandia.plum.base.FormAuthHandler Maven / Gradle / Ivy

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// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package com.appslandia.plum.base;

import java.util.HashMap;
import java.util.Map;

import javax.inject.Inject;
import javax.security.enterprise.authentication.mechanism.http.HttpMessageContext;
import javax.security.enterprise.credential.Credential;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.appslandia.common.utils.ObjectUtils;
import com.appslandia.common.utils.URLEncoding;
import com.appslandia.common.utils.URLUtils;
import com.appslandia.plum.utils.ServletUtils;

/**
 *
 * @author Loc Ha
 *
 */
public abstract class FormAuthHandler implements AuthHandler {

	@Inject
	protected AppConfig appConfig;

	@Override
	public AuthType getAuthType() {
		return AuthType.FORM;
	}

	@Override
	public Credential parseCredential(HttpServletRequest request) {
		return null;
	}

	@Override
	public boolean isReauthentication(HttpServletRequest request) {
		return false;
	}

	@Override
	public boolean isRememberMe(HttpMessageContext httpMessageContext) {
		if (!httpMessageContext.isAuthenticationRequest()) {
			return false;
		}
		return httpMessageContext.getAuthParameters().isRememberMe();
	}

	@Override
	public void askAuthenticate(HttpServletRequest request, HttpServletResponse response, RequestContext requestContext) throws Exception {
		String returnUrl = getUriAndQuery(request);

		StringBuilder url = ServletUtils.getFormLoginUrl(request);
		url.append('?').append(ServletUtils.PARAM_RETURN_URL).append('=').append(URLEncoding.encodeParam(returnUrl));

		// Append tempDataId
		String tempDataId = request.getParameter(TempDataManager.PARAM_TEMP_DATA_ID);
		if (tempDataId != null) {
			url.append('&').append(TempDataManager.PARAM_TEMP_DATA_ID).append('=').append(tempDataId);
		}
		response.sendRedirect(this.appConfig.isEnableSession() ? response.encodeRedirectURL(url.toString()) : url.toString());
	}

	static String getUriAndQuery(HttpServletRequest request) {
		if (request.getParameter(TempDataManager.PARAM_TEMP_DATA_ID) == null) {
			return ServletUtils.getUriAndQuery(request);
		}

		// Remove tempDataId
		Map copyParams = new HashMap<>(request.getParameterMap());
		copyParams.remove(TempDataManager.PARAM_TEMP_DATA_ID);

		if (copyParams.isEmpty()) {
			return request.getRequestURI();
		}
		return request.getRequestURI() + "?" + URLUtils.toQueryParams(ObjectUtils.cast(copyParams));
	}
}