OAuth2获取token代码
慕容超
package com.atguigu.gulimall.auth.controller;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.common.vo.MemberResponseVo;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;
import static com.atguigu.common.constant.AuthServerConstant.LOGIN_USER;
@Slf4j
@Controller
public class OAuth2Controller {
@Autowired
private MemberFeignService memberFeignService;
@GetMapping(value = "/oauth2.0/weibo/success")
public String weibo(@RequestParam("code") String code, HttpSession session) throws Exception {
Map<String, String> map = new HashMap<>();
map.put("client_id","2077705774");
map.put("client_secret","40af02bd1c7e435ba6a6e9cd3bf799fd");
map.put("grant_type","authorization_code");
map.put("redirect_uri","http://auth.locai lhost/oauth2.0/weibo/success");
map.put("code",code);
//1、根据用户授权返回的code换取access_token
HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post", new HashMap<>(), map, new HashMap<>());
//2、处理
if (response.getStatusLine().getStatusCode() == 200) {
//获取到了access_token,转为通用社交登录对象
String json = EntityUtils.toString(response.getEntity());
//String json = JSON.toJSONString(response.getEntity());
SocialUser socialUser = JSON.parseObject(json, SocialUser.class);
//知道了哪个社交用户
//1）、当前用户如果是第一次进网站，自动注册进来（为当前社交用户生成一个会员信息，以后这个社交账号就对应指定的会员）
//登录或者注册这个社交用户
System.out.println(socialUser.getAccess_token());
//调用远程服务
R oauthLogin = memberFeignService.oauthLogin(socialUser);
if (oauthLogin.getCode() == 0) {
MemberResponseVo data = oauthLogin.getData("data", new TypeReference<MemberResponseVo>() {});
log.info("登录成功：用户信息：{}",data.toString());
//1、第一次使用session，命令浏览器保存卡号，JSESSIONID这个cookie
//以后浏览器访问哪个网站就会带上这个网站的cookie
//TODO 1、默认发的令牌。当前域（解决子域session共享问题）
//TODO 2、使用JSON的序列化方式来序列化对象到Redis中
session.setAttribute(LOGIN_USER,data);
//2、登录成功跳回首页
return "redirect:http://gulimall.com";
} else {
return "redirect:http://auth.gulimall.com/login.html";
}
} else {
return "redirect:http://auth.gulimall.com/login.html";
}
}
}
oauth工具包
package com.atguigu.common.utils;
import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* @Description:
* @Created: with IntelliJ IDEA.
* @author: 夏沫止水
* @createTime: 2020-06-27 09:33
**/
public class HttpUtils {
/**
* get
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @return
* @throws Exception
*/
public static HttpResponse doGet(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpGet request = new HttpGet(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
return httpClient.execute(request);
}
/**
* post form
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param bodys
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
Map<String, String> bodys)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpPost request = new HttpPost(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
if (bodys != null) {
List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();
for (String key : bodys.keySet()) {
nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));
}
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");
formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");
request.setEntity(formEntity);
}
return httpClient.execute(request);
}
/**
* Post String
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
String body)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpPost request = new HttpPost(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
if (StringUtils.isNotBlank(body)) {
request.setEntity(new StringEntity(body, "utf-8"));
}
return httpClient.execute(request);
}
/**
* Post stream
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
byte[] body)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpPost request = new HttpPost(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
if (body != null) {
request.setEntity(new ByteArrayEntity(body));
}
return httpClient.execute(request);
}
/**
* Put String
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPut(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
String body)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpPut request = new HttpPut(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
if (StringUtils.isNotBlank(body)) {
request.setEntity(new StringEntity(body, "utf-8"));
}
return httpClient.execute(request);
}
/**
* Put stream
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPut(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
byte[] body)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpPut request = new HttpPut(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
if (body != null) {
request.setEntity(new ByteArrayEntity(body));
}
return httpClient.execute(request);
}
/**
* Delete
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @return
* @throws Exception
*/
public static HttpResponse doDelete(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys)
throws Exception {
HttpClient httpClient = wrapClient(host);
HttpDelete request = new HttpDelete(buildUrl(host, path, querys));
for (Map.Entry<String, String> e : headers.entrySet()) {
request.addHeader(e.getKey(), e.getValue());
}
return httpClient.execute(request);
}
private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {
StringBuilder sbUrl = new StringBuilder();
sbUrl.append(host);
if (!StringUtils.isBlank(path)) {
sbUrl.append(path);
}
if (null != querys) {
StringBuilder sbQuery = new StringBuilder();
for (Map.Entry<String, String> query : querys.entrySet()) {
if (0 < sbQuery.length()) {
sbQuery.append("&");
}
if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {
sbQuery.append(query.getValue());
}
if (!StringUtils.isBlank(query.getKey())) {
sbQuery.append(query.getKey());
if (!StringUtils.isBlank(query.getValue())) {
sbQuery.append("=");
sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8"));
}
}
}
if (0 < sbQuery.length()) {
sbUrl.append("?").append(sbQuery);
}
}
return sbUrl.toString();
}
private static HttpClient wrapClient(String host) {
HttpClient httpClient = new DefaultHttpClient();
if (host.startsWith("https://")) {
sslClient(httpClient);
}
return httpClient;
}
private static void sslClient(HttpClient httpClient) {
try {
SSLContext ctx = SSLContext.getInstance("TLS");
X509TrustManager tm = new X509TrustManager() {
public X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(X509Certificate[] xcs, String str) {
}
public void checkServerTrusted(X509Certificate[] xcs, String str) {
}
};
ctx.init(null, new TrustManager[] { tm }, null);
SSLSocketFactory ssf = new SSLSocketFactory(ctx);
ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
ClientConnectionManager ccm = httpClient.getConnectionManager();
SchemeRegistry registry = ccm.getSchemeRegistry();
registry.register(new Scheme("https", 443, ssf));
} catch (KeyManagementException ex) {
throw new RuntimeException(ex);
} catch (NoSuchAlgorithmException ex) {
throw new RuntimeException(ex);
}
}
}
远程调用代码
public MemberEntity login(SocialUser socialUser) throws Exception {
//具有登录和注册逻辑
String uid = socialUser.getUid();
//1、判断当前社交用户是否已经登录过系统
MemberEntity memberEntity = this.baseMapper.selectOne(new QueryWrapper<MemberEntity>().eq("social_uid", uid));
if (memberEntity != null) {
//这个用户已经注册过
//更新用户的访问令牌的时间和access_token
MemberEntity update = new MemberEntity();
update.setId(memberEntity.getId());
update.setAccessToken(socialUser.getAccess_token());
update.setExpiresIn(socialUser.getExpires_in());
this.baseMapper.updateById(update);
memberEntity.setAccessToken(socialUser.getAccess_token());
memberEntity.setExpiresIn(socialUser.getExpires_in());
return memberEntity;
} else {
//2、没有查到当前社交用户对应的记录我们就需要注册一个
MemberEntity register = new MemberEntity();
//3、查询当前社交用户的社交账号信息（昵称、性别等）
Map<String,String> query = new HashMap<>();
query.put("access_token",socialUser.getAccess_token());
query.put("uid",socialUser.getUid());
HttpResponse response = HttpUtils.doGet("https://api.weibo.com", "/2/users/show.json", "get", new HashMap<String, String>(), query);
if (response.getStatusLine().getStatusCode() == 200) {
//查询成功
String json = EntityUtils.toString(response.getEntity());
JSONObject jsonObject = JSON.parseObject(json);
String name = jsonObject.getString("name");
String gender = jsonObject.getString("gender");
String profileImageUrl = jsonObject.getString("profile_image_url");
register.setNickname(name);
register.setGender("m".equals(gender)?1:0);
register.setHeader(profileImageUrl);
register.setCreateTime(new Date());
register.setSocialUid(socialUser.getUid());
register.setAccessToken(socialUser.getAccess_token());
register.setExpiresIn(socialUser.getExpires_in());
//把用户信息插入到数据库中
this.baseMapper.insert(register);
}
return register;
}
}
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