✨ 新增支持Google登录

src/main/java/me/zhyd/oauth/authorization/AuthorizationFactory.java

@@ -59,6 +59,7 @@ public class AuthorizationFactory {
         AuthorizationFactory.register(AuthSource.DINGTALK, new DingTalkAuthorization());
         AuthorizationFactory.register(AuthSource.GITEE, new GiteeAuthorization());
         AuthorizationFactory.register(AuthSource.GITHUB, new GithubAuthorization());
+        AuthorizationFactory.register(AuthSource.GOOGLE, new GoogleAuthorization());
         AuthorizationFactory.register(AuthSource.OSCHINA, new OschinaAuthorization());
         AuthorizationFactory.register(AuthSource.QQ, new QqAuthorization());
         AuthorizationFactory.register(AuthSource.TAOBAO, new TaobaoAuthorization());

src/main/java/me/zhyd/oauth/authorization/GoogleAuthorization.java

+package me.zhyd.oauth.authorization;
+
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * Google授权
+ *
+ * @author yangkai.shen (https://xkcoding.com)
+ * @version 1.3
+ * @since 1.3
+ */
+public class GoogleAuthorization implements Authorization {
+
+    @Override
+    public String getAuthorizeUrl(AuthConfig config) {
+        return UrlBuilder.getGoogleAuthorizeUrl(config.getClientId(), config.getRedirectUri());
+    }
+}

src/main/java/me/zhyd/oauth/consts/ApiUrl.java

@@ -383,6 +383,35 @@ public enum ApiUrl {
             throw new AuthException(ResponseStatus.UNSUPPORTED);
         }
 
+        @Override
+        public String refresh() {
+            throw new AuthException(ResponseStatus.UNSUPPORTED);
+        }
+    },
+    /**
+     * Google
+     */
+    GOOGLE {
+        @Override
+        public String authorize() {
+            return "https://accounts.google.com/o/oauth2/v2/auth";
+        }
+
+        @Override
+        public String accessToken() {
+            return "https://www.googleapis.com/oauth2/v4/token";
+        }
+
+        @Override
+        public String userInfo() {
+            return "https://oauth2.googleapis.com/tokeninfo";
+        }
+
+        @Override
+        public String revoke() {
+            throw new AuthException(ResponseStatus.UNSUPPORTED);
+        }
+
         @Override
         public String refresh() {
             throw new AuthException(ResponseStatus.UNSUPPORTED);

src/main/java/me/zhyd/oauth/model/AuthSource.java

@@ -21,5 +21,8 @@ public enum AuthSource {
     TAOBAO,
     QQ,
     WECHAT,
+    /**
+     * 谷歌登录，参考文档：https://developers.google.com/identity/protocols/OpenIDConnect
+     */
     GOOGLE,
 }

src/main/java/me/zhyd/oauth/model/AuthToken.java

@@ -17,4 +17,12 @@ public class AuthToken {
     private String uid;
     private String openId;
     private String accessCode;
+
+    /**
+     * Google附带属性
+     */
+    private String scope;
+    private String tokenType;
+    private String idToken;
+
 }

src/main/java/me/zhyd/oauth/request/AuthGoogleRequest.java

+package me.zhyd.oauth.request;
+
+import cn.hutool.http.HttpRequest;
+import cn.hutool.http.HttpResponse;
+import com.alibaba.fastjson.JSONObject;
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.exception.AuthException;
+import me.zhyd.oauth.model.AuthSource;
+import me.zhyd.oauth.model.AuthToken;
+import me.zhyd.oauth.model.AuthUser;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * Google登录
+ *
+ * @author yangkai.shen (https://xkcoding.com)
+ * @version 1.3
+ * @since 1.3
+ */
+public class AuthGoogleRequest extends BaseAuthRequest {
+
+    public AuthGoogleRequest(AuthConfig config) {
+        super(config, AuthSource.GOOGLE);
+    }
+
+    @Override
+    protected AuthToken getAccessToken(String code) {
+        String accessTokenUrl = UrlBuilder.getGoogleAccessTokenUrl(config.getClientId(), config.getClientSecret(), code, config
+                .getRedirectUri());
+        HttpResponse response = HttpRequest.post(accessTokenUrl).execute();
+        JSONObject object = JSONObject.parseObject(response.body());
+
+        if (object.containsKey("error") || object.containsKey("error_description")) {
+            throw new AuthException("get google access_token has error:[" + object.getString("error") + "], error_description:[" + object
+                    .getString("error_description") + "]");
+        }
+
+        return AuthToken.builder()
+                .accessToken(object.getString("access_token"))
+                .expireIn(object.getIntValue("expires_in"))
+                .scope(object.getString("scope"))
+                .tokenType(object.getString("token_type"))
+                .idToken(object.getString("id_token"))
+                .build();
+    }
+
+    @Override
+    protected AuthUser getUserInfo(AuthToken authToken) {
+        String accessToken = authToken.getIdToken();
+        HttpResponse response = HttpRequest.get(UrlBuilder.getGoogleUserInfoUrl(accessToken)).execute();
+        String userInfo = response.body();
+        JSONObject object = JSONObject.parseObject(userInfo);
+        return AuthUser.builder()
+                .username(object.getString("name"))
+                .avatar(object.getString("picture"))
+                .nickname(object.getString("name"))
+                .location(object.getString("locale"))
+                .email(object.getString("email"))
+                .token(authToken)
+                .source(AuthSource.GOOGLE)
+                .build();
+    }
+}

src/main/java/me/zhyd/oauth/utils/UrlBuilder.java

@@ -17,6 +17,10 @@ public class UrlBuilder {
     private static final String GITHUB_USER_INFO_PATTERN = "{0}?access_token={1}";
     private static final String GITHUB_AUTHORIZE_PATTERN = "{0}?client_id={1}&state=1&redirect_uri={2}";
 
+    private static final String GOOGLE_AUTHORIZE_PATTERN = "{0}?client_id={1}&response_type=code&scope=openid%20email%20profile&redirect_uri={2}&state={3}";
+    private static final String GOOGLE_ACCESS_TOKEN_PATTERN = "{0}?client_id={1}&client_secret={2}&code={3}&redirect_uri={4}&grant_type=authorization_code";
+    private static final String GOOGLE_USER_INFO_PATTERN = "{0}?id_token={1}";
+
     private static final String WEIBO_ACCESS_TOKEN_PATTERN = "{0}?client_id={1}&client_secret={2}&grant_type=authorization_code&code={3}&redirect_uri={4}";
     private static final String WEIBO_USER_INFO_PATTERN = "{0}?{1}";
     private static final String WEIBO_AUTHORIZE_PATTERN = "{0}?client_id={1}&response_type=code&redirect_uri={2}";
@@ -492,4 +496,38 @@ public class UrlBuilder {
     public static String getTaobaoAuthorizeUrl(String clientId, String redirectUrl) {
         return MessageFormat.format(TAOBAO_AUTHORIZE_PATTERN, ApiUrl.TAOBAO.authorize(), clientId, redirectUrl);
     }
+
+    /**
+     * 获取Google授权地址
+     *
+     * @param clientId    google 应用的Client ID
+     * @param redirectUrl google 应用授权成功后的回调地址
+     * @return full url
+     */
+    public static String getGoogleAuthorizeUrl(String clientId, String redirectUrl) {
+        return MessageFormat.format(GOOGLE_AUTHORIZE_PATTERN, ApiUrl.GOOGLE.authorize(), clientId, redirectUrl, System.currentTimeMillis());
+    }
+
+    /**
+     * 获取Google token的接口地址
+     *
+     * @param clientId     google应用的Client ID
+     * @param clientSecret google应用的Client Secret
+     * @param code         google授权前的code，用来换token
+     * @param redirectUri  待跳转的页面
+     * @return full url
+     */
+    public static String getGoogleAccessTokenUrl(String clientId, String clientSecret, String code, String redirectUri) {
+        return MessageFormat.format(GOOGLE_ACCESS_TOKEN_PATTERN, ApiUrl.GOOGLE.accessToken(), clientId, clientSecret, code, redirectUri);
+    }
+
+    /**
+     * 获取Google用户详情的接口地址
+     *
+     * @param token google 应用的token
+     * @return full url
+     */
+    public static String getGoogleUserInfoUrl(String token) {
+        return MessageFormat.format(GOOGLE_USER_INFO_PATTERN, ApiUrl.GOOGLE.userInfo(), token);
+    }
 }

src/test/java/me/zhyd/oauth/AuthRequestTest.java

@@ -141,4 +141,17 @@ public class AuthRequestTest {
         // 授权登录后会返回一个code，用这个code进行登录
         AuthResponse login = authRequest.login("code");
     }
+
+    @Test
+    public void googleTest() {
+        AuthRequest authRequest = new AuthGoogleRequest(AuthConfig.builder()
+                .clientId("clientId")
+                .clientSecret("clientSecret")
+                .redirectUri("redirectUri")
+                .build());
+        // 返回授权页面，可自行调整
+        String url = authRequest.authorize();
+        // 授权登录后会返回一个code，用这个code进行登录
+        AuthResponse login = authRequest.login("code");
+    }
 }