com.wavemaker.runtime.webprocess.WebProcessHelper Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (C) 2022-2023 WaveMaker, Inc.
*
* 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.wavemaker.runtime.webprocess;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import com.wavemaker.runtime.commons.WMObjectMapper;
import com.wavemaker.runtime.webprocess.model.WebProcess;
public class WebProcessHelper {
public static final String WEB_PROCESS_COOKIE_NAME = "WM_WEB_PROCESS";
public static final String WEB_PROCESS_OUTPUT = "WEB_PROCESS_OUTPUT";
public static final String UTF_8 = StandardCharsets.UTF_8.toString();
private static final int WEB_PROCESS_COOKIE_MAX_AGE = 10 * 60 * 1000;
private WebProcessHelper() {
}
public static Cookie getCookie(Cookie[] cookies, String cookieName) {
if (cookies != null) {
for (Cookie cookie : cookies) {
if (cookie.getName().equals(cookieName)) {
return cookie;
}
}
}
return null;
}
public static void addWebProcessCookie(HttpServletRequest request, HttpServletResponse response, String webProcessJSON) {
Cookie cookie = new Cookie(WEB_PROCESS_COOKIE_NAME, webProcessJSON);
cookie.setPath(request.getServletContext().getContextPath());
cookie.setMaxAge(WEB_PROCESS_COOKIE_MAX_AGE);
cookie.setHttpOnly(true);
cookie.setSecure(request.isSecure());
response.addCookie(cookie);
}
public static void removeWebProcessCookie(HttpServletRequest request, HttpServletResponse response) {
if (request.getCookies() != null) {
for (Cookie c : request.getCookies()) {
if (WebProcessHelper.WEB_PROCESS_COOKIE_NAME.equalsIgnoreCase(c.getName())) {
c.setMaxAge(0);
c.setValue(null);
c.setPath(request.getServletContext().getContextPath());
response.addCookie(c);
}
}
}
}
public static WebProcess decodeWebProcess(String process) throws IOException {
process = new String(Base64.getDecoder().decode(process.getBytes(UTF_8)), UTF_8);
return WMObjectMapper.getInstance().readValue(process, WebProcess.class);
}
public static String encodeWebProcess(WebProcess process) throws IOException {
String webProcessJSON = WMObjectMapper.getInstance().writeValueAsString(process);
return Base64.getEncoder().encodeToString(webProcessJSON.getBytes(UTF_8));
}
}