func serverStaticRouter(ctx *context.Context) {
if ctx.Input.Method() != "GET" && ctx.Input.Method() != "HEAD" {
return
}
forbidden, filePath, fileInfo, err := lookupFile(ctx)
if err == errNotStaticRequest {
return
}
if forbidden {
exception("403", ctx)
return
}
if filePath == "" || fileInfo == nil {
if BConfig.RunMode == DEV {
logs.Warn("Can't find/open the file:", filePath, err)
}
http.NotFound(ctx.ResponseWriter, ctx.Request)
return
}
if fileInfo.IsDir() {
requestURL := ctx.Input.URL()
if requestURL[len(requestURL)-1] != '/' {
redirectURL := requestURL + "/"
if ctx.Request.URL.RawQuery != "" {
redirectURL = redirectURL + "?" + ctx.Request.URL.RawQuery
}
ctx.Redirect(302, redirectURL)
} else {
//serveFile will list dir
http.ServeFile(ctx.ResponseWriter, ctx.Request, filePath)
}
return
}
var enableCompress = BConfig.EnableGzip && isStaticCompress(filePath)
var acceptEncoding string
if enableCompress {
acceptEncoding = context.ParseEncoding(ctx.Request)
}
b, n, sch, err := openFile(filePath, fileInfo, acceptEncoding)
if err != nil {
if BConfig.RunMode == DEV {
logs.Warn("Can't compress the file:", filePath, err)
}
http.NotFound(ctx.ResponseWriter, ctx.Request)
return
}
if b {
ctx.Output.Header("Content-Encoding", n)
} else {
ctx.Output.Header("Content-Length", strconv.FormatInt(sch.size, 10))
}
http.ServeContent(ctx.ResponseWriter, ctx.Request, filePath, sch.modTime, sch)
return
}
