refactor(server): move utilities into pkg

like camlistore lets move these utilities into a `pkg` prefix.

pkg/http/http.go

@@ -0,0 +1,33 @@
+package http
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+
+	"github.com/coreos/etcd/log"
+)
+
+func DecodeJsonRequest(req *http.Request, data interface{}) error {
+	decoder := json.NewDecoder(req.Body)
+	if err := decoder.Decode(&data); err != nil && err != io.EOF {
+		log.Warnf("Malformed json request: %v", err)
+		return fmt.Errorf("Malformed json request: %v", err)
+	}
+	return nil
+}
+
+func Redirect(hostname string, w http.ResponseWriter, req *http.Request) {
+	originalURL := req.URL
+	redirectURL, _ := url.Parse(hostname)
+
+	// we need the original path and raw query
+	redirectURL.Path = originalURL.Path
+	redirectURL.RawQuery = originalURL.RawQuery
+	redirectURL.Fragment = originalURL.Fragment
+
+	log.Debugf("Redirect to %s", redirectURL.String())
+	http.Redirect(w, req, redirectURL.String(), http.StatusTemporaryRedirect)
+}