nosum
/
deliver


			
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							package com.nosum.common.constant;

import cn.hutool.http.Header;
import cn.hutool.http.HttpRequest;
import com.nosum.common.util.HttpClientUtils;
import com.nosum.common.util.JsonUtil;
import com.nosum.deliver.auth.domain.vo.AuthUserVO;

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

public class GithubOauth {
    private static final String CLIENT_ID = "62315a189a3efded767b";
    private static final String CLIENT_SECRET = "c0348e4697552e1dcce200d43ab21984bf2e9973";
    private static final String AUTH_URL = "https://github.com/login/oauth/authorize";
    private static final String TOKEN_URL = "https://github.com/login/oauth/access_token";
    private static final String USER_INFO_URL = "https://api.github.com/user";


    public static String getAuthUrl() {
        return AUTH_URL + "?state=c2NvcGU9bm9zdW1ibG9n&client_id=" + CLIENT_ID;
    }

    public static String getAccessToken(String code) {
        Map<String, Object> params = new HashMap<>();
        params.put("code", code);
        params.put("client_id", CLIENT_ID);
        params.put("client_secret", CLIENT_SECRET);
        HttpRequest post = HttpRequest.post(TOKEN_URL);
        post.body(JsonUtil.toJsonString(params)).contentType("application/json").header(Header.ACCEPT, "application/json");
        return post.execute().body();
    }

    public static String getHtml(Object result) {
        // vue前端获取这个数据，去登录。
        return "<head><meta charset=\"UTF-8\"></head>" +
                "<body><p style=\"text-align: center;\"><h3>欢迎访问青涩知夏博客，登录中，请稍后......</h3></p></body>" +
                "\n <script type=\"text/javascript\">\n" +
                "  window.onload=function () {\n" +
                "    var message =" + JsonUtil.toJsonString(result) + ";\n" +
                "    window.opener.parent.postMessage(message, '*');\n" +
                "    parent.window.close();\n" +
                "  }</script>";
    }

    public static String getErrorHtml() {
        return getHtml("error");
    }

    public static AuthUserVO getUserInfo(String code) {
        Optional<String> optional = Optional.ofNullable(code);
        if (optional.isPresent()) {
            Map<String, String> accessTokenMap = JsonUtil.parseHashMap(getAccessToken(optional.get()));
            String userinfo_url = USER_INFO_URL + "?access_token=" + accessTokenMap.get("access_token"); //通过token获得用户信息
            Map<String, String> resultMap = JsonUtil.parseHashMap(HttpClientUtils.doGet(userinfo_url));
            AuthUserVO authUserVO = new AuthUserVO();
            authUserVO.setSocialId(String.valueOf(resultMap.get("id")));
            authUserVO.setAvatar(resultMap.get("avatar_url"));
            authUserVO.setName(resultMap.get("login"));
            return authUserVO;
        }
        return null;
    }
}