package servlets;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import models.LoginResponse;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import communication.Global;
/**
* Servlet implementation class Assinatura
*/
@WebServlet("/Assinatura")
public class Assinatura extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final String CAMINHO_API_ASSINATURA = "api/assinatura/";
/**
* @see HttpServlet#HttpServlet()
*/
public Assinatura() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
if (request.getParameter("action") != null) {
HttpSession session = request.getSession(true);
LoginResponse login = (LoginResponse) session.getAttribute(Global.LOGIN);
if (login != null) {
//Busca o parametro enviado pelo form
String action = request.getParameter("action").toLowerCase();
HttpResponse httpResp = null;
switch (action) {
case "iniciar":
if (request.getParameter("signStart") != null) {
httpResp = iniciar(request.getParameter("signStart"), login);
} else {
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
}
break;
case "finalizar":
if (request.getParameter("signFinish") != null) {
httpResp = finalizar(request.getParameter("signFinish"), login);
} else {
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
}
break;
default:
break;
}
if (httpResp != null){
StatusLine statusLine = httpResp.getStatusLine();
BufferedReader reader = new BufferedReader(new InputStreamReader(httpResp.getEntity().getContent()));
String data = reader.readLine();
response.setContentType("application/json");
response.setStatus(statusLine.getStatusCode());
PrintWriter out = response.getWriter();
out.print(data);
}
} else {
response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
}
} else {
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
}
} catch (Exception e) {
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
/*
* Inicia o processo de assinatura de um documento.
* http://homolog.portaldeassinaturas.com.br/Help/Api/POST-Api-Assinatura-Iniciar
*/
private HttpResponse iniciar(String signStart, LoginResponse login) throws Exception {
try {
String apiName = CAMINHO_API_ASSINATURA + "iniciar";
HttpPost httpPost = new HttpPost(Global.ApiPortalBaseURL + apiName);
httpPost.setHeader(Global.ACS_AUTH_CONTEXT_UID, login.getUidContextos(0));
httpPost.setHeader(Global.ACS_AUTH_TOKEN, login.getToken());
httpPost.setHeader(Global.ACS_AUTH_USER_UID, login.getUserInfo().getUid());
StringEntity entity = new StringEntity(signStart, StandardCharsets.UTF_8);
entity.setContentType("application/json");
httpPost.setEntity(entity);
CloseableHttpClient client = HttpClients.createDefault();
HttpResponse httpResp = client.execute(httpPost);
return httpResp;
} catch (Exception e) {
throw e;
}
}
/*
* Finaliza a assinatura de um documento
* http://homolog.portaldeassinaturas.com.br/Help/Api/POST-Api-Assinatura-Finalizar
*/
private HttpResponse finalizar(String signFinish, LoginResponse login) throws Exception {
try {
String apiName = CAMINHO_API_ASSINATURA + "finalizar";
HttpPost httpPost = new HttpPost(Global.ApiPortalBaseURL + apiName);
httpPost.setHeader(Global.ACS_AUTH_CONTEXT_UID, login.getUidContextos(0));
httpPost.setHeader(Global.ACS_AUTH_TOKEN, login.getToken());
httpPost.setHeader(Global.ACS_AUTH_USER_UID, login.getUserInfo().getUid());
StringEntity entity = new StringEntity(signFinish, StandardCharsets.UTF_8);
entity.setContentType("application/json");
httpPost.setEntity(entity);
CloseableHttpClient client = HttpClients.createDefault();
HttpResponse httpResp = client.execute(httpPost);
return httpResp;
} catch (Exception e) {
throw e;
}
}
//
}