Macintosh-Tools/wrp
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added cache control cruft

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This commit is contained in:
Antoni Sawicki 2019-07-16 22:47:23 -07:00
parent bb84d43d31
commit 6c29008eb5
1 changed files with 10 additions and 0 deletions
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10
wrp.go
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@ -79,6 +79,9 @@ func (w *wrpReq) parseForm(req *http.Request) {
}
func (w wrpReq) printPage(out http.ResponseWriter) {
out.Header().Set("Cache-Control", "max-age=0")
out.Header().Set("Expires", "-1")
out.Header().Set("Pragma", "no-cache")
out.Header().Set("Content-Type", "text/html")
fmt.Fprintf(out, "<!-- Web Rendering Proxy Version %s -->\n", version)
fmt.Fprintf(out, "<HTML>\n<HEAD><TITLE>WRP %s</TITLE></HEAD>\n<BODY BGCOLOR=\"#F0F0F0\">\n", w.U)
@ -153,6 +156,9 @@ func imgServer(out http.ResponseWriter, req *http.Request) {
defer delete(gifmap, req.URL.Path)
out.Header().Set("Content-Type", "image/gif")
out.Header().Set("Content-Length", strconv.Itoa(len(gifbuf.Bytes())))
out.Header().Set("Cache-Control", "max-age=0")
out.Header().Set("Expires", "-1")
out.Header().Set("Pragma", "no-cache")
out.Write(gifbuf.Bytes())
out.(http.Flusher).Flush()
}
@ -249,12 +255,16 @@ func (w wrpReq) capture(c string, out http.ResponseWriter) {
func haltServer(out http.ResponseWriter, req *http.Request) {
log.Printf("%s Shutdown Request for %s\n", req.RemoteAddr, req.URL.Path)
out.Header().Set("Cache-Control", "max-age=0")
out.Header().Set("Expires", "-1")
out.Header().Set("Pragma", "no-cache")
out.Header().Set("Content-Type", "text/text")
fmt.Fprintf(out, "Shutting down WRP...\n")
out.(http.Flusher).Flush()
time.Sleep(time.Second * 2)
cancel()
srv.Shutdown(context.Background())
os.Exit(1)
}
func main() {