D-Net

package eu.dnetlib.openaire.usermanagement;

import com.google.gson.Gson;

import com.google.gson.GsonBuilder;

import org.apache.commons.io.IOUtils;

import org.apache.http.HttpHeaders;

import org.apache.http.HttpResponse;

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 org.mitre.openid.connect.model.OIDCAuthenticationToken;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.security.core.context.SecurityContextHolder;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.nio.charset.StandardCharsets;

public class RegisterServiceServlet extends HttpServlet {

    @Value("${oidc.issuer}")

    private String issuer;

    public void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        response.setContentType("text/html");

        request.getRequestDispatcher("./registerService.jsp").include(request, response);

    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        response.setContentType("text/html");

        String name = request.getParameter("first_name").trim();

        String description = request.getParameter("description").trim();

        if ( name!= null && !name.isEmpty()){

            ServiceRequest serviceJSON = new ServiceRequest();

            serviceJSON.setClientName(name);

            serviceJSON.setClientDescription(description);

            GsonBuilder builder = new GsonBuilder();

            builder.serializeNulls();

            Gson gson = builder.create();

            String json = gson.toJson(serviceJSON);

            System.out.println(json);

            OIDCAuthenticationToken authentication = (OIDCAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();

            CloseableHttpClient httpclient = HttpClients.createDefault();

            //TODO fix this

            HttpPost httppost = new HttpPost("https://openaire-dev.aai-dev.grnet.gr/oidc/api/clients");

            httppost.setHeader(HttpHeaders.CONTENT_TYPE, "application/json");

            httppost.setHeader(HttpHeaders.AUTHORIZATION, "Bearer " + authentication.getAccessTokenValue());

            StringEntity params = new StringEntity(json.toString());

            httppost.setEntity(params);

            HttpResponse httpResponse = null;

            httpResponse = httpclient.execute(httppost);

            String serverMessage = IOUtils.toString(httpResponse.getEntity().getContent(), StandardCharsets.UTF_8.name());

            ServiceResponse serviceResponse = new Gson().fromJson(serverMessage, ServiceResponse.class);

            System.out.println("The created id is " + serviceResponse.getId());

        }

        OIDCAuthenticationToken authentication = (OIDCAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();

        request.getSession().setAttribute("accessToken", authentication.getAccessTokenValue());

        request.getSession().setAttribute("refreshToken", authentication.getRefreshTokenValue());

        request.getRequestDispatcher("./serviceTokens.jsp").include(request, response);

    }

}