目录码云第三方验证登录一、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4、获取到clientId以及client Secret二、在项目中实现第三方登录1、导入依赖jar包2、跳转授权页面3、通过回调地址获取到code值4、再将用户授权码发送码云服务器5、获取码云用户信息前端页面总结
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
<!--servlet服务--><dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> </dependency><!--第三方登录插件包--> <dependency> <groupId>me.zhyd.oauth</groupId> <artifactId>JustAuth</artifactId> <version>1.3.2</version> </dependency><!--服务器发送get，post工具包--> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.2</version> </dependency>
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?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?grant_type=authorization_code&code="+code+"&client_id="+CLIENT_ID+"&redirect_uri="+REDIRECTURI+"&client_secret="+CLIENT_SECRET;Map<String,String> 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?access_token=*******String access_token = s.getString("access_token");String url2 = "https://gitee.com/api/v5/user?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?grant_type=authorization_code&code="+code+"&client_id="+CLIENT_ID+"&redirect_uri="+REDIRECTURI+"&client_secret="+CLIENT_SECRET; Map<String,String> 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?access_token=******* String access_token = s.getString("access_token"); String url2 = "https://gitee.com/api/v5/user?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<String, String> map) { HttpPost post = new HttpPost(url); if (!map.isEmpty()) { Set<Map.Entry<String, String>> entrys = map.entrySet(); for (Map.Entry<String, String> 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<String, String> map) { HttpGet get = new HttpGet(url); if (!map.isEmpty()) { Set<Map.Entry<String, String>> entrys = map.entrySet(); for (Map.Entry<String, String> 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; } }}
前端页面
总结
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