增加了对B站8K超高清视频的支持

extractors/bilibili/bilibili.go

@@ -23,6 +23,10 @@ const referer = "https://www.bilibili.com"
 
 var utoken string
 
+var headers = map[string]string{
+	"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.81 Safari/537.36",
+}
+
 func genAPI(aid, cid, quality int, bvid string, bangumi bool, cookie string) (string, error) {
 	var (
 		err        error
@@ -33,7 +37,7 @@ func genAPI(aid, cid, quality int, bvid string, bangumi bool, cookie string) (st
 		utoken, err = request.Get(
 			fmt.Sprintf("%said=%d&cid=%d", bilibiliTokenAPI, aid, cid),
 			referer,
-			nil,
+			headers,
 		)
 		if err != nil {
 			return "", err
@@ -60,7 +64,7 @@ func genAPI(aid, cid, quality int, bvid string, bangumi bool, cookie string) (st
 		baseAPIURL = bilibiliBangumiAPI
 	} else {
 		params = fmt.Sprintf(
-			"avid=%d&cid=%d&bvid=%s&qn=%d&type=&otype=json&fourk=1&fnver=0&fnval=16",
+			"avid=%d&cid=%d&bvid=%s&qn=%d&type=&otype=json&fourk=1&fnver=0&fnval=2000",
 			aid, cid, bvid, quality,
 		)
 		baseAPIURL = bilibiliAPI
@@ -239,7 +243,7 @@ func New() types.Extractor {
 // Extract is the main function to extract the data.
 func (e *extractor) Extract(url string, option types.Options) ([]*types.Data, error) {
 	var err error
-	html, err := request.Get(url, referer, nil)
+	html, err := request.Get(url, referer, headers)
 	if err != nil {
 		return nil, err
 	}
@@ -265,20 +269,20 @@ func bilibiliDownload(options bilibiliOptions, extractOption types.Options) *typ
 		// reuse html string, but this can't be reused in case of playlist
 		html = options.html
 	} else {
-		html, err = request.Get(options.url, referer, nil)
+		html, err = request.Get(options.url, referer, headers)
 		if err != nil {
 			return types.EmptyData(options.url, err)
 		}
 	}
 
 	// Get "accept_quality" and "accept_description"
 	// "accept_description":["高清 1080P","高清 720P","清晰 480P","流畅 360P"],
-	// "accept_quality":[120,112,80,48,32,16],
-	api, err := genAPI(options.aid, options.cid, 120, options.bvid, options.bangumi, extractOption.Cookie)
+	// "accept_quality":[127，120,112,80,48,32,16],
+	api, err := genAPI(options.aid, options.cid, 127, options.bvid, options.bangumi, extractOption.Cookie)
 	if err != nil {
 		return types.EmptyData(options.url, err)
 	}
-	jsonString, err := request.Get(api, referer, nil)
+	jsonString, err := request.Get(api, referer, headers)
 	if err != nil {
 		return types.EmptyData(options.url, err)
 	}

extractors/bilibili/bilibili_test.go

@@ -60,6 +60,13 @@ func TestBilibili(t *testing.T) {
 				Title: "你的名字。",
 			},
 		},
+		{
+			name: "8k test",
+			args: test.Args{
+				URL:   "https://www.bilibili.com/video/BV1qM4y1w716",
+				Title: "【8K演示片】B站首发！你的设备还顶得住吗？",
+			},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

extractors/bilibili/types.go

@@ -71,6 +71,7 @@ type dash struct {
 }
 
 var qualityString = map[int]string{
+	127: "超高清 8K",
 	120: "超清 4K",
 	116: "高清 1080P60",
 	74:  "高清 720P60",