You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
1.5 KiB
73 lines
1.5 KiB
package main
|
|
|
|
import (
|
|
"net/http"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
|
|
"github.com/zenazn/goji/web"
|
|
)
|
|
|
|
func fileServeHandler(c web.C, w http.ResponseWriter, r *http.Request) {
|
|
fileName := c.URLParams["name"]
|
|
filePath := path.Join(Config.filesDir, fileName)
|
|
|
|
if !fileExistsAndNotExpired(fileName) {
|
|
notFoundHandler(c, w, r)
|
|
return
|
|
}
|
|
|
|
if !Config.allowHotlink {
|
|
referer := r.Header.Get("Referer")
|
|
if referer != "" && !strings.HasPrefix(referer, Config.siteURL) {
|
|
w.WriteHeader(403)
|
|
return
|
|
}
|
|
}
|
|
|
|
w.Header().Set("Content-Security-Policy", Config.fileContentSecurityPolicy)
|
|
|
|
http.ServeFile(w, r, filePath)
|
|
}
|
|
|
|
func staticHandler(c web.C, w http.ResponseWriter, r *http.Request) {
|
|
path := r.URL.Path
|
|
if path[len(path)-1:] == "/" {
|
|
notFoundHandler(c, w, r)
|
|
return
|
|
} else {
|
|
if path == "/favicon.ico" {
|
|
path = "/static/images/favicon.gif"
|
|
}
|
|
|
|
filePath := strings.TrimPrefix(path, "/static/")
|
|
file, err := staticBox.Open(filePath)
|
|
if err != nil {
|
|
notFoundHandler(c, w, r)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Etag", timeStartedStr)
|
|
w.Header().Set("Cache-Control", "max-age=86400")
|
|
http.ServeContent(w, r, filePath, timeStarted, file)
|
|
return
|
|
}
|
|
}
|
|
|
|
func fileExistsAndNotExpired(filename string) bool {
|
|
filePath := path.Join(Config.filesDir, filename)
|
|
|
|
_, err := os.Stat(filePath)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
if isFileExpired(filename) {
|
|
os.Remove(path.Join(Config.filesDir, filename))
|
|
os.Remove(path.Join(Config.metaDir, filename))
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|