Subversion Repositories SmartDukaan

package com.spice.profitmandi.web.util;

import java.io.IOException;

import java.util.HashMap;

import java.util.Map;

import org.apache.http.conn.HttpHostConnectException;

import org.apache.logging.log4j.LogManager;

import org.apache.logging.log4j.Logger;

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

import org.springframework.http.HttpHeaders;

import org.springframework.http.MediaType;

import org.springframework.stereotype.Component;

import com.fasterxml.jackson.core.JsonProcessingException;

import com.fasterxml.jackson.databind.JsonNode;

import com.fasterxml.jackson.databind.ObjectMapper;

import com.spice.profitmandi.common.enumuration.SchemeType;

import com.spice.profitmandi.common.exception.ProfitMandiBusinessException;

import com.spice.profitmandi.common.model.ProfitMandiConstants;

import com.spice.profitmandi.common.web.client.RestClient;

import com.spice.profitmandi.web.controller.LoginController;

@Component

public class GoogleTokenUtil {

	private static final String V3_HOST_NAME = "www.googleapis.com";

	private static final String V3_URI = "oauth2/v3/tokeninfo";

	private static final int PORT_NUMBER = 443;

	private final ObjectMapper objectMapper = new ObjectMapper();

	private static final Logger LOGGER = LogManager.getLogger(GoogleTokenUtil.class);

	@Value("${google.api.key}")

	private String googleClientId;

	public String getEmailId(String token) throws ProfitMandiBusinessException {

		RestClient restClient = new RestClient();

		Map<String, String> params = new HashMap<>();

		params.put(ProfitMandiConstants.ID_TOKEN, token);

		Map<String, String> headers = new HashMap<>(1);

		headers.put(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE);

		String responseString = null;

		try {

			responseString = restClient.get(SchemeType.HTTPS, V3_HOST_NAME, PORT_NUMBER, V3_URI, params, headers);

		} catch (HttpHostConnectException e) {

			throw new ProfitMandiBusinessException("googleServerResponse", responseString, "GE_1006");

		}

		try {

			JsonNode rootNode = objectMapper.readTree(responseString);

			LOGGER.info("rootNode {}", rootNode);

			JsonNode aud = rootNode.get("aud");

			JsonNode email = rootNode.get("email");

			JsonNode emailVerified = rootNode.get("email_verified");

			if (aud == null || !googleClientId.equals(aud.asText())) {

				throw new ProfitMandiBusinessException("googleToken", aud == null ? null : aud.asText(), "Google token was not issued for this application");

			}

			if (email == null || emailVerified == null || !"true".equalsIgnoreCase(emailVerified.asText())) {

				throw new ProfitMandiBusinessException("googleToken", email == null ? null : email.asText(), "Google account email is not verified");

			}

			return email.asText();

		} catch (JsonProcessingException jsonProcessingException) {

			throw new ProfitMandiBusinessException("", "", "VE_1001");

		}

	}

}