add k8s client

vendor/gopkg.in/igm/sockjs-go.v2/sockjs/jsonp.go

@@ -0,0 +1,77 @@
+package sockjs
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+)
+
+func (h *handler) jsonp(rw http.ResponseWriter, req *http.Request) {
+	rw.Header().Set("content-type", "application/javascript; 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)
+	rw.(http.Flusher).Flush()
+
+	sess, _ := h.sessionByRequest(req)
+	recv := newHTTPReceiver(rw, 1, &jsonpFrameWriter{callback})
+	if err := sess.attachReceiver(recv); err != nil {
+		recv.sendFrame(cFrame)
+		recv.close()
+		return
+	}
+	select {
+	case <-recv.doneNotify():
+	case <-recv.interruptedNotify():
+	}
+}
+
+func (h *handler) jsonpSend(rw http.ResponseWriter, req *http.Request) {
+	req.ParseForm()
+	var data io.Reader
+	data = req.Body
+
+	formReader := strings.NewReader(req.PostFormValue("d"))
+	if formReader.Len() != 0 {
+		data = formReader
+	}
+	if data == nil {
+		http.Error(rw, "Payload expected.", http.StatusInternalServerError)
+		return
+	}
+	var messages []string
+	err := json.NewDecoder(data).Decode(&messages)
+	if err == io.EOF {
+		http.Error(rw, "Payload expected.", http.StatusInternalServerError)
+		return
+	}
+	if err != nil {
+		http.Error(rw, "Broken JSON encoding.", http.StatusInternalServerError)
+		return
+	}
+	sessionID, _ := h.parseSessionID(req.URL)
+	h.sessionsMux.Lock()
+	defer h.sessionsMux.Unlock()
+	if sess, ok := h.sessions[sessionID]; !ok {
+		http.NotFound(rw, req)
+	} else {
+		_ = sess.accept(messages...) // TODO(igm) reponse with http.StatusInternalServerError in case of err?
+		rw.Header().Set("content-type", "text/plain; charset=UTF-8")
+		rw.Write([]byte("ok"))
+	}
+}
+
+type jsonpFrameWriter struct {
+	callback string
+}
+
+func (j *jsonpFrameWriter) write(w io.Writer, frame string) (int, error) {
+	return fmt.Fprintf(w, "%s(%s);\r\n", j.callback, quote(frame))
+}