feat: 简单实现弹幕功能

lib/http/api.dart

@@ -292,4 +292,6 @@ class Api {
   // 多少人在看
   // https://api.bilibili.com/x/player/online/total?aid=913663681&cid=1203559746&bvid=BV1MM4y1s7NZ&ts=56427838
   static const String onlineTotal = '/x/player/online/total';
+
+  static const String webDanmaku = '/x/v2/dm/web/seg.so';
 }

lib/http/danmaku.dart

@@ -0,0 +1,33 @@
+import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
+import 'package:pilipala/http/index.dart';
+import 'package:pilipala/models/danmaku/dm.pb.dart';
+
+import 'constants.dart';
+
+class DanmakaHttp {
+  // 获取视频弹幕
+  static Future queryDanmaku({
+    required int cid,
+    required int segmentIndex,
+  }) async {
+    // 构建参数对象
+    Map<String, int> params = {
+      'type': 1,
+      'oid': cid,
+      'segment_index': segmentIndex,
+    };
+
+    // 计算函数
+    Future<DmSegMobileReply> computeTask(Map<String, int> params) async {
+      var response = await Request().get(
+        Api.webDanmaku,
+        data: params,
+        extra: {'resType': ResponseType.bytes},
+      );
+      return DmSegMobileReply.fromBuffer(response.data);
+    }
+
+    return await compute(computeTask, params);
+  }
+}

lib/http/init.dart

@@ -41,6 +41,7 @@ class Request {
           log("setCookie, ${e.toString()}");
         }
       }
+      setOptionsHeaders(userInfo);
     }
 
     if (cookie.isEmpty) {
@@ -69,6 +70,15 @@ class Request {
     return token;
   }
 
+  static setOptionsHeaders(userInfo) {
+    dio.options.headers['x-bili-mid'] = userInfo.mid.toString();
+    dio.options.headers['env'] = 'prod';
+    dio.options.headers['app-key'] = 'android64';
+    dio.options.headers['x-bili-aurora-eid'] = 'UlMFQVcABlAH';
+    dio.options.headers['x-bili-aurora-zone'] = 'sh001';
+    dio.options.headers['referer'] = 'https://www.bilibili.com/';
+  }
+
   /*
    * config it and create
    */
@@ -87,17 +97,6 @@ class Request {
       },
     );
 
-    Box userInfoCache = GStrorage.userInfo;
-    var userInfo = userInfoCache.get('userInfoCache');
-    if (userInfo != null && userInfo.mid != null) {
-      options.headers['x-bili-mid'] = userInfo.mid.toString();
-      options.headers['env'] = 'prod';
-      options.headers['app-key'] = 'android64';
-      options.headers['x-bili-aurora-eid'] = 'UlMFQVcABlAH';
-      options.headers['x-bili-aurora-zone'] = 'sh001';
-      options.headers['referer'] = 'https://www.bilibili.com/';
-    }
-
     dio = Dio(options)
       ..httpClientAdapter = Http2Adapter(
         ConnectionManager(

lib/http/interceptor.dart

@@ -17,8 +17,6 @@ class ApiInterceptor extends Interceptor {
     handler.next(options);
   }
 
-  Box localCache = GStrorage.localCache;
-
   @override
   void onResponse(Response response, ResponseInterceptorHandler handler) {
     try {
@@ -29,8 +27,11 @@ class ApiInterceptor extends Interceptor {
             final uri = Uri.parse(locations.first);
             final accessKey = uri.queryParameters['access_key'];
             final mid = uri.queryParameters['mid'];
-            localCache
-                .put(LocalCacheKey.accessKey, {'mid': mid, 'value': accessKey});
+            try {
+              Box localCache = GStrorage.localCache;
+              localCache.put(
+                  LocalCacheKey.accessKey, {'mid': mid, 'value': accessKey});
+            } catch (_) {}
           }
         }
       }