func serverStaticRouter(ctx *context.Context) {
ctx.SetState(context.SC_STATIC_ROUTING)
if ctx.Input.Method() != "GET" && ctx.Input.Method() != "HEAD" {
return
}
requestPath := path.Clean(ctx.Input.Request.URL.Path)
if RunMode == "dev" {
Warn("Request path: ", requestPath)
}
if len(requestPath) == 0 || requestPath == "/" {
return
}
i := 0
for prefix, staticDir := range StaticDir {
if RunMode == "dev" {
Warn("Static prefix: ", prefix)
}
/* root path's prefix is ""
if len(prefix) == 0 {
continue
}
*/
if requestPath == "/favicon.ico" || requestPath == "/robots.txt" {
file := path.Join(staticDir, requestPath)
if utils.FileExists(file) {
http.ServeFile(ctx.ResponseWriter, ctx.Request, file)
return
} else {
i++
if i == len(StaticDir) {
http.NotFound(ctx.ResponseWriter, ctx.Request)
return
} else {
continue
}
}
}
if strings.HasPrefix(requestPath, prefix) {
Warn("HasPressfix")
if len(requestPath) > len(prefix) && requestPath[len(prefix)] != '/' {
continue
}
file := path.Join(staticDir, requestPath[len(prefix):])
finfo, err := os.Stat(file)
if err != nil {
if RunMode == "dev" {
Warn("Can't find the file:", file, err)
}
http.NotFound(ctx.ResponseWriter, ctx.Request)
return
}
//if the request is dir and DirectoryIndex is false then
if finfo.IsDir() {
if !DirectoryIndex {
exception("403", ctx)
return
} else if ctx.Input.Request.URL.Path[len(ctx.Input.Request.URL.Path)-1] != '/' {
http.Redirect(ctx.ResponseWriter, ctx.Request, ctx.Input.Request.URL.Path+"/", 302)
return
}
} else if strings.HasSuffix(requestPath, "/index.html") {
file := path.Join(staticDir, requestPath)
if utils.FileExists(file) {
http.ServeFile(ctx.ResponseWriter, ctx.Request, file)
return
}
}
//This block obtained from (https://github.com/smithfox/beego) - it should probably get merged into astaxie/beego after a pull request
isStaticFileToCompress := false
if StaticExtensionsToGzip != nil && len(StaticExtensionsToGzip) > 0 {
for _, statExtension := range StaticExtensionsToGzip {
if strings.HasSuffix(strings.ToLower(file), strings.ToLower(statExtension)) {
isStaticFileToCompress = true
break
}
}
}
if isStaticFileToCompress {
var contentEncoding string
if EnableGzip {
contentEncoding = getAcceptEncodingZip(ctx.Request)
}
memzipfile, err := openMemZipFile(file, contentEncoding)
if err != nil {
return
}
if contentEncoding == "gzip" {
ctx.Output.Header("Content-Encoding", "gzip")
} else if contentEncoding == "deflate" {
ctx.Output.Header("Content-Encoding", "deflate")
} else {
ctx.Output.Header("Content-Length", strconv.FormatInt(finfo.Size(), 10))
}
http.ServeContent(ctx.ResponseWriter, ctx.Request, file, finfo.ModTime(), memzipfile)
} else {
http.ServeFile(ctx.ResponseWriter, ctx.Request, file)
}
return
}
}
}