作者：mobiledu2502890777 | 来源：互联网 | 2022-09-28 15:51
这篇文章主要介绍了原生java代码实现码云第三方验证登录的示例代码，文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值，需要的朋友们下面随着小编来一起学习学习吧
码云第三方验证登录
研究了QQ，码云，微信等第三方登录接口时，发现QQ以及微信第一步都需要验证授权管理，而且个人测试需要提供手持身份证一张，并且验证时间过长( 3天工作日左右吧 )，这样会非常浪费大家学习第三方接口登录的时间，终于， 在我的不屑努力下，找到了适合大家快速上手，测试第三方接口登录的平台-————码云（看网上帖子说某WX接入还要开发者认证，人民币300元）
码云链接地址
https://gitee.com/
一、在码云上创建应用
1、在码云上注册一个账号，点击右上角设置
2、创建应用
3、填写资料
很多同学不太了解什么是应用回调地址webhooks（第三方登录成功后，会返回到你指定的地址，并且携带验证是否成功的参数信息）
4、获取到clientId以及client Secret
clientId和client Sercret的主要作用是通过拼接得到请求地址，将地址重定向至授权登录页面
准备过程已完成
二、在项目中实现第三方登录
大概流程
1、导入依赖jar包
javax.servlet
javax.servlet-api
3.1.0
me.zhyd.oauth
JustAuth
1.3.2
org.apache.httpcomponents
httpclient
4.5.2
2、跳转授权页面
AuthRequest authRequest = new AuthGiteeRequest(AuthConfig.builder()
.clientId(CLIENT_ID) //Client ID
.clientSecret(CLIENT_SECRET) //Client Secret
.redirectUri(REDIRECTURI) //回调地址
.build());
String authorizeUrl = authRequest.authorize(AuthStateUtils.createState());
//跳转到授权页面
response.sendRedirect(authorizeUrl);
3、通过回调地址获取到code值
//http://localhost:8080/login&＃63;actiOnName=giteeCode&code=e063730161cd40cf&state=25c74eba2ac5f
String code = request.getParameter("code");
4、再将用户授权码发送码云服务器
补充一个小小的坑，码云第三方验证需要加上header信息，否则会报403错误
String url = "https://gitee.com/oauth/token&＃63;grant_type=authorization_code&code="+code+"&client_id="+CLIENT_ID+"&redirect_uri="+REDIRECTURI+"&client_secret="+CLIENT_SECRET;
Map map = new HashMap<>();
map.put("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36)");
JSONObject s = HttpUtils.post(url,map);
授权登录失败会返回message错误信息，标识登录失败
成功:
{
"access_token":"e386e20327b7c4",
"refresh_token":"057c79c2d1f957a5cb4d",
"scope":"user_info",
"created_at":15488,
"token_type":"bearer",
"expires_in":86400
}
5、获取码云用户信息
通过授权码获取到的json数据，其中access_token参数，可以访问码云的用户数据
//https://gitee.com/api/v5/user&＃63;access_token=*******
String access_token = s.getString("access_token");
String url2 = "https://gitee.com/api/v5/user&＃63;access_token="+access_token;
JSONObject user = HttpUtils.get(url2,map);
//1、设置响应类型输出流
response.setContentType("application/json;charset=UTF-8");
//2、将json转为字符串
String str = JSON.toJSONString(user);
//3、得到字符输出流
response.getWriter().write(str);
源码：
在这小编要说一下回调地址操作1和回调地址操作2的区别
操作1：小编使用的是服务器的get,post发送请求，而跳转“授权页面”（giteeLogin 方法）使用的是插件，各位看主大大也可手动改为get请求，跳转第三方登录页面，具体get地址请参考
码云oauth文档
其中A和B步骤，修改后就可以不用插件代码跳转授权页面
操作2：完全使用的是JustAuth插件实现第三方登录
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.shsxt.utils.HttpUtils;
import me.zhyd.oauth.config.AuthConfig;
import me.zhyd.oauth.model.AuthCallback;
import me.zhyd.oauth.model.AuthResponse;
import me.zhyd.oauth.request.AuthGiteeRequest;
import me.zhyd.oauth.request.AuthRequest;
import me.zhyd.oauth.utils.AuthStateUtils;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
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 java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
@WebServlet("/login")
public class LoginServlet extends HttpServlet {
private static final long serialVersiOnUID= 1L;
//ac85a173bb89ee
private final String CLIENT_ID = “Client ID”
private final String CLIENT_SECRET= “Client Secret”
private final String REDIRECTURI = “回调地址”
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//获取用户行为
String actiOnName= request.getParameter("actionName");
//判断用户行为
if("giteeLogin".equals(actionName)) {
//如果发送码云授权验证
giteeLogin(request,response);
}else if("giteeCode".equals(actionName)) {
//giteeCode(request,response);
giteeCode2(request,response);
}
System.out.println("点击了");
}
/**
* 回调地址后的操作1
* @param request
* @param response
*/
private void giteeCode(HttpServletRequest request, HttpServletResponse response) throws IOException {
//获取code
String code = request.getParameter("code");
String url = "https://gitee.com/oauth/token&＃63;grant_type=authorization_code&code="+code+"&client_id="+CLIENT_ID+"&redirect_uri="+REDIRECTURI+"&client_secret="+CLIENT_SECRET;
Map map = new HashMap<>();
map.put("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36)");
JSONObject s = HttpUtils.post(url,map);
System.out.println(s);
//https://gitee.com/api/v5/user&＃63;access_token=*******
String access_token = s.getString("access_token");
String url2 = "https://gitee.com/api/v5/user&＃63;access_token="+access_token;
JSONObject user = HttpUtils.get(url2,map);
//1、设置响应类型输出流
response.setContentType("application/json;charset=UTF-8");
//2、将json转为字符串
String str = JSON.toJSONString(user);
//3、得到字符输出流
response.getWriter().write(str);
}
/**
* 回调地址后的操作2
* @param request
* @param response
*/
private void giteeCode2(HttpServletRequest request, HttpServletResponse response) throws IOException {
String code = request.getParameter("code");
AuthRequest authRequest = new AuthGiteeRequest(AuthConfig.builder()
.clientId(CLIENT_ID) //Client ID
.clientSecret(CLIENT_SECRET) //Client Secret
.redirectUri(REDIRECTURI) //回调地址
.build());
AuthResponse json = authRequest.login(code);
System.out.println(json);
}
/**
* 跳转授权页面
* @param request
* @param response
*/
private void giteeLogin(HttpServletRequest request, HttpServletResponse response) throws IOException {
//跳转授权页面
AuthRequest authRequest = new AuthGiteeRequest(AuthConfig.builder()
.clientId(CLIENT_ID) //Client ID
.clientSecret(CLIENT_SECRET) //Client Secret
.redirectUri(REDIRECTURI) //回调地址
.build());
String authorizeUrl = authRequest.authorize();
//跳转到授权页面
response.sendRedirect(authorizeUrl);
}
}
服务器发送get/post请求工具类
package com.shsxt.utils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Map;
import java.util.Set;
public class HttpUtils {
/*
*发送简单post请求
*/
public static JSONObject post(String url) {
HttpPost post = new HttpPost(url);
return getResult(post);
}
/*
*发送带Header的post请求
*/
public static JSONObject post(String url, Map map) {
HttpPost post = new HttpPost(url);
if (!map.isEmpty()) {
Set> entrys = map.entrySet();
for (Map.Entry entry : entrys) {
post.setHeader(entry.getKey(), entry.getValue());
}
}
return getResult(post);
}
/*
*发送带Header的get请求
*/
public static JSONObject get(String url, Map map) {
HttpGet get = new HttpGet(url);
if (!map.isEmpty()) {
Set> entrys = map.entrySet();
for (Map.Entry entry : entrys) {
get.setHeader(entry.getKey(), entry.getValue());
}
}
return getResult(get);
}
/*
*发送简单的get请求
*/
public static JSONObject get(String url) {
HttpGet get = new HttpGet(url);
return getResult(get);
}
/*
*发送请求方法，请求响应为JSONObject
*/
private static JSONObject getResult(HttpRequestBase requestBase) {
CloseableHttpClient httpClient = HttpClients.createDefault();
String result = null;
try {
result = EntityUtils.toString(httpClient.execute(requestBase).getEntity());
result = new String(result.getBytes("ISO-8859-1"),"utf-8");
httpClient.close();
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
} catch (ClientProtocolException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
} finally {
return new JSONObject(JSON.parseObject(result));
}
}
/*
*当请求响应为String时
*/
public static String getString(String url) {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet get = new HttpGet(url);
String result = null;
try {
result = EntityUtils.toString(httpClient.execute(get).getEntity());
httpClient.close();
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
} catch (ClientProtocolException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
} finally {
return result;
}
}
}
```*当请求响应为String时
*/
public static String getString(String url) {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpGet get = new HttpGet(url);
String result = null;
try {
result = EntityUtils.toString(httpClient.execute(get).getEntity());
httpClient.close();
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
} catch (ClientProtocolException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
} finally {
return result;
}
}
}
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