package sockjs
import (
"fmt"
"io"
"net/http"
"strings"
)
var iframeTemplate = `
Don't panic!
`
func init() {
iframeTemplate += strings.Repeat(" ", 1024-len(iframeTemplate)+14)
iframeTemplate += "\r\n\r\n"
}
func (h *handler) htmlFile(rw http.ResponseWriter, req *http.Request) {
rw.Header().Set("content-type", "text/html; charset=UTF-8")
req.ParseForm()
callback := req.Form.Get("c")
if callback == "" {
http.Error(rw, `"callback" parameter required`, http.StatusInternalServerError)
return
}
rw.WriteHeader(http.StatusOK)
fmt.Fprintf(rw, iframeTemplate, callback)
rw.(http.Flusher).Flush()
sess, _ := h.sessionByRequest(req)
recv := newHTTPReceiver(rw, h.options.ResponseLimit, new(htmlfileFrameWriter))
if err := sess.attachReceiver(recv); err != nil {
recv.sendFrame(cFrame)
recv.close()
return
}
select {
case <-recv.doneNotify():
case <-recv.interruptedNotify():
}
}
type htmlfileFrameWriter struct{}
func (*htmlfileFrameWriter) write(w io.Writer, frame string) (int, error) {
return fmt.Fprintf(w, "\r\n", quote(frame))
}