✨ 集成美团，待发布1.12.0

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

@@ -616,6 +616,33 @@ public enum AuthSource {
         public String userInfo() {
             return "https://gitlab.com/api/v4/user";
         }
+    },
+
+    /**
+     * 美团
+     *
+     * @since 1.12.0
+     */
+    MEITUAN {
+        @Override
+        public String authorize() {
+            return "https://openapi.waimai.meituan.com/oauth/authorize";
+        }
+
+        @Override
+        public String accessToken() {
+            return "https://openapi.waimai.meituan.com/oauth/access_token";
+        }
+
+        @Override
+        public String userInfo() {
+            return "https://openapi.waimai.meituan.com/oauth/userinfo";
+        }
+
+        @Override
+        public String refresh() {
+            return "https://openapi.waimai.meituan.com/oauth/refresh_token";
+        }
     };
 
     /**

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

@@ -0,0 +1,114 @@
+package me.zhyd.oauth.request;
+
+import cn.hutool.http.HttpRequest;
+import cn.hutool.http.HttpResponse;
+import com.alibaba.fastjson.JSONObject;
+import me.zhyd.oauth.cache.AuthStateCache;
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.config.AuthSource;
+import me.zhyd.oauth.enums.AuthResponseStatus;
+import me.zhyd.oauth.enums.AuthUserGender;
+import me.zhyd.oauth.exception.AuthException;
+import me.zhyd.oauth.model.AuthCallback;
+import me.zhyd.oauth.model.AuthResponse;
+import me.zhyd.oauth.model.AuthToken;
+import me.zhyd.oauth.model.AuthUser;
+import me.zhyd.oauth.utils.UrlBuilder;
+
+/**
+ * 美团登录
+ *
+ * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
+ * @since 1.12.0
+ */
+public class AuthMeituanRequest extends AuthDefaultRequest {
+
+    public AuthMeituanRequest(AuthConfig config) {
+        super(config, AuthSource.MEITUAN);
+    }
+
+    public AuthMeituanRequest(AuthConfig config, AuthStateCache authStateCache) {
+        super(config, AuthSource.MEITUAN, authStateCache);
+    }
+
+    @Override
+    protected AuthToken getAccessToken(AuthCallback authCallback) {
+        HttpResponse response = HttpRequest.post(source.accessToken())
+            .form("app_id", config.getClientId())
+            .form("secret", config.getClientSecret())
+            .form("code", authCallback.getCode())
+            .form("grant_type", "authorization_code")
+            .execute();
+        JSONObject object = JSONObject.parseObject(response.body());
+
+        this.checkResponse(object);
+
+        return AuthToken.builder()
+            .accessToken(object.getString("access_token"))
+            .refreshToken(object.getString("refresh_token"))
+            .expireIn(object.getIntValue("expires_in"))
+            .build();
+    }
+
+    @Override
+    protected AuthUser getUserInfo(AuthToken authToken) {
+        HttpResponse response = HttpRequest.post(source.userInfo())
+            .form("app_id", config.getClientId())
+            .form("secret", config.getClientSecret())
+            .form("access_token", authToken.getAccessToken())
+            .execute();
+        JSONObject object = JSONObject.parseObject(response.body());
+
+        this.checkResponse(object);
+
+        return AuthUser.builder()
+            .uuid(object.getString("openid"))
+            .username(object.getString("nickname"))
+            .nickname(object.getString("nickname"))
+            .avatar(object.getString("avatar"))
+            .gender(AuthUserGender.UNKNOWN)
+            .token(authToken)
+            .source(source)
+            .build();
+    }
+
+    @Override
+    public AuthResponse refresh(AuthToken oldToken) {
+        HttpResponse response = HttpRequest.post(source.accessToken())
+            .form("app_id", config.getClientId())
+            .form("secret", config.getClientSecret())
+            .form("refresh_token", oldToken.getRefreshToken())
+            .form("grant_type", "authorization_code")
+            .execute();
+        JSONObject object = JSONObject.parseObject(response.body());
+
+        this.checkResponse(object);
+
+        return AuthResponse.builder()
+            .code(AuthResponseStatus.SUCCESS.getCode())
+            .data(AuthToken.builder()
+                .accessToken(object.getString("access_token"))
+                .refreshToken(object.getString("refresh_token"))
+                .expireIn(object.getIntValue("expires_in"))
+                .build())
+            .build();
+    }
+
+    private void checkResponse(JSONObject object) {
+        if (object.containsKey("error_code")) {
+            throw new AuthException(object.getString("erroe_msg"));
+        }
+    }
+
+    @Override
+    public String authorize(String state) {
+        return UrlBuilder.fromBaseUrl(source.authorize())
+            .queryParam("response_type", "code")
+            .queryParam("app_id", config.getClientId())
+            .queryParam("redirect_uri", config.getRedirectUri())
+            .queryParam("state", getRealState(state))
+            .queryParam("scope", "")
+            .build();
+    }
+
+}