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Login with a third-party account
2022-07-24 02:07:00 【PS cool tutorial】
GitHub Sign in
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.zzhua</groupId>
<artifactId>demo-github</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo-github</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-oauth2-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
ProjectConfig
package com.zzhua.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.oauth2.client.CommonOAuth2Provider;
import org.springframework.security.oauth2.client.registration.ClientRegistration;
import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
import org.springframework.security.oauth2.client.registration.InMemoryClientRegistrationRepository;
@Configuration
public class ProjectConfig extends WebSecurityConfigurerAdapter {
/*private ClientRegistration clientRegistration2() { ClientRegistration cr = ClientRegistration.withRegistrationId("github") .clientId("00b3e3fab6ce54d9b959") .clientSecret("79ae5e50f40cfcdf2abad77b3af435d6a7ab9764") .scope(new String[]{"read:user"}) .authorizationUri("https://github.com/login/oauth/authorize") .tokenUri("https://github.com/login/oauth/access_token") .userInfoUri("https://api.github.com/user") .userNameAttributeName("id") .clientName("GitHub") .authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE) .redirectUriTemplate("{baseUrl}/{action}/oauth2/code/{registrationId}") .build(); return cr; }*/
private ClientRegistration clientRegistration() {
return CommonOAuth2Provider.GITHUB.getBuilder("github")
.clientId("00b3e3fab6ce54d9b959")
.clientSecret("79ae5e50f40cfcdf2abad77b3af435d6a7ab9764")
.build();
}
// take ClientRegistrationRepository Type of bean Add to Spring Context , The bean Contains the ClientRegistration References to
@Bean
public ClientRegistrationRepository clientRepository() {
ClientRegistration clientRegistration = clientRegistration();
return new InMemoryClientRegistrationRepository(clientRegistration);
}
@Override
protected void configure(HttpSecurity http) throws Exception {
// Set the authentication method
http.oauth2Login(); // Added OAuth2LoginAuthenticationFilter filter
// Specify the user who needs to be authenticated , In order to make a request
http
.authorizeRequests()
.anyRequest().authenticated();
}
}
MainController
package com.zzhua.controller;
import org.springframework.security.oauth2.client.authentication.OAuth2AuthenticationToken;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import javax.servlet.http.HttpServletRequest;
@Controller
public class MainController {
@GetMapping("/")
public String main(OAuth2AuthenticationToken token, HttpServletRequest req) {
System.out.println(token);
Object o = token.getPrincipal().getAttributes().get("login");
req.setAttribute("login", o);
return "main.html";
}
}
DemoGithubApplication
package com.zzhua;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoGithubApplication {
public static void main(String[] args) {
SpringApplication.run(DemoGithuubApplication.class, args);
}
}
main.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h1>Hello there! Home page </h1>
<span th:text="${login}"></span>
</body>
</html>
home.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
home page ~
</body>
</html>
Gitee Sign in
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.zzhua</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!-- Network request -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.6</version>
</dependency>
<!-- alibaba Of fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.51</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
application.yml
spring:
thymeleaf:
cache: false
gitee:
oauth:
clientid: 33caa50212b18ad06462f0648be68ee6a82b63792c0f6f77b09ef361ce80a3f4
clientsecret: f7999a14eab91b100871c8bd307859541eba7517871d173c07f460f615d3ded4
callback: http://localhost:8080/callback
GiteeController
package com.zzhua.demo.controller;
import com.alibaba.fastjson.JSONObject;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.net.URLEncoder;
import java.util.UUID;
@Controller
public class GiteeController {
/** * gitee Provided in the authorization appid and appkey */
@Value("${gitee.oauth.clientid}")
public String CLIENTID;
@Value("${gitee.oauth.clientsecret}")
public String CLIENTSECRET;
@Value("${gitee.oauth.callback}")
public String URL;
/** * Request authorization page */
@GetMapping(value = "/auth")
public String qqAuth(HttpSession session) {
// Used for third-party applications to prevent CSRF attack
String uuid = UUID.randomUUID().toString().replaceAll("-", "");
session.setAttribute("state", uuid);
// Step1： obtain Authorization Code
String url = "https://gitee.com/oauth/authorize?response_type=code" +
"&client_id=" + CLIENTID +
"&redirect_uri=" + URLEncoder.encode(URL) +
"&state=" + uuid +
"&scope=user_info";
// Because it uses thymeleaf template engine , So you can't parse a web address , Redirection only
return "redirect:"+url;
}
/** * Authorize the callback */
@GetMapping(value = "/callback")
public String qqCallback(HttpServletRequest request) throws Exception {
HttpSession session = request.getSession();
// obtain Authorization Code
String code = request.getParameter("code");
// The status code we put in the address
String state = request.getParameter("state");
String uuid = (String) session.getAttribute("state");
// Verify the status code we sent
if (null != uuid) {
// The status code is incorrect , Go straight back to the login page
if (!uuid.equals(state)) {
return "index";
}
}
// Step2： adopt Authorization Code obtain Access Token
String url = "https://gitee.com/oauth/token?grant_type=authorization_code" +
"&client_id=" + CLIENTID +
"&client_secret=" + CLIENTSECRET +
"&code=" + code +
"&redirect_uri=" + URL;
JSONObject accessTokenJson = GiteeHttpClient.getAccessToken(url);
// Step3: Get user information
url = "https://gitee.com/api/v5/user?access_token=" + accessTokenJson.get("access_token");
JSONObject jsonObject = GiteeHttpClient.getUserInfo(url);
/** * After getting user information , It's time to write your own business logic */
System.out.println(jsonObject);
return "hello";
}
}
GiteeHttpClient
package com.zzhua.demo.controller;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.stereotype.Component;
import java.io.IOException;
@Component
public class GiteeHttpClient {
/** * obtain Access Token * post */
public static JSONObject getAccessToken(String url) throws IOException {
HttpClient client = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
httpPost.setHeader("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");
HttpResponse response = client.execute(httpPost);
HttpEntity entity = response.getEntity();
if (null != entity) {
String result = EntityUtils.toString(entity, "UTF-8");
return JSONObject.parseObject(result);
}
httpPost.releaseConnection();
return null;
}
/** * Get user information * get */
public static JSONObject getUserInfo(String url) throws IOException {
JSONObject jsonObject = null;
CloseableHttpClient client = HttpClients.createDefault();
HttpGet httpGet = new HttpGet(url);
httpGet.setHeader("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");
HttpResponse response = client.execute(httpGet);
HttpEntity entity = response.getEntity();
if (entity != null) {
String result = EntityUtils.toString(entity, "UTF-8");
jsonObject = JSONObject.parseObject(result);
}
httpGet.releaseConnection();
return jsonObject;
}
}
DemoGiteeApplication
@SpringBootApplication
public class DemoGiteeApplication{
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
hello.html
<!DOCTYPE html>
<html lang="en">
<head>
<title>Hello World!</title>
</head>
<body>
<h1> Landing successful , welcome </h1>
</body>
</html>
index.html
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<a th:href="@{/auth}" class="link" title="Gitee Sign in ">gitee Sign in </a>
</body>
</html>
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