From: qydysky <32743305+qydysky@users.noreply.github.com>
Date: Tue, 25 Oct 2022 06:30:09 +0000 (+0800)
Subject: 支持视频分段加载
X-Git-Tag: v0.5.10~2
X-Git-Url: http://127.0.0.1:8081/?a=commitdiff_plain;h=4128880cf2b6a99101797d3335985aeba11eee3d;p=bili_danmu%2F.git

支持视频分段加载
---

diff --git a/Reply/F.go b/Reply/F.go
index e195352..dfbec86 100644
--- a/Reply/F.go
+++ b/Reply/F.go
@@ -1157,13 +1157,32 @@ func init() {
 						} else {
 							v += referer.Path
 						}
-						if p.Checkfile().IsExist(v + "0.flv") {
+						if file.New(v+"0.flv", 0, true).IsExist() {
 							v += "0.flv"
-						} else if p.Checkfile().IsExist(v + "0.mp4") {
+						} else if file.New(v+"0.mp4", 0, true).IsExist() {
 							v += "0.mp4"
 						}
 
-						f := file.New(v, 0, false)
+						var rangeHeaderNum int
+						if rangeHeader := r.Header.Get(`range`); rangeHeader != "" {
+							if strings.Index(rangeHeader, "bytes=") != 0 {
+								w.WriteHeader(http.StatusRequestedRangeNotSatisfiable)
+								flog.L(`W: `, `请求的范围不合法:仅支持bytes`)
+								return
+							} else if strings.Contains(rangeHeader, ",") && strings.Index(rangeHeader, "-") != len(rangeHeader)-1 {
+								w.WriteHeader(http.StatusRequestedRangeNotSatisfiable)
+								flog.L(`W: `, `请求的范围不合法:仅支持向后范围`)
+								return
+							} else if rangeHeaderNum, e = strconv.Atoi(string(rangeHeader[6 : len(rangeHeader)-1])); e != nil {
+								w.WriteHeader(http.StatusRequestedRangeNotSatisfiable)
+								flog.L(`W: `, `请求的范围不合法:`, e)
+								return
+							} else {
+								w.WriteHeader(http.StatusPartialContent)
+							}
+						}
+
+						f := file.New(v, int64(rangeHeaderNum), false)
 						defer f.Close()
 
 						if e := f.CopyToIoWriter(w, 1000000, true); e != nil {