1 files changed, 32 insertions, 0 deletions
diff --git a/pkg/server/handler.go b/pkg/server/handler.go
new file mode 100644
index 0000000..6d17af7
--- /dev/null
+++ b/pkg/server/handler.go
@@ -0,0 +1,32 @@
+package server
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// handler implements the http.Handler interface
+type handler struct {
+	method   string
+	endpoint string
+	callback func(w http.ResponseWriter, r *http.Request) (int, string)
+}
+
+func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+	w.Header().Set("Cache-Control", "no-cache")
+	if r.Method != h.method {
+		http.Error(w, "Invalid HTTP method, expected "+h.method, http.StatusMethodNotAllowed)
+		return
+	}
+	code, text := h.callback(w, r)
+	if code != http.StatusOK {
+		http.Error(w, text, code)
+		return
+	}
+	fmt.Fprintf(w, fmt.Sprintf("%s\n", text))
+}
+
+func (h handler) register(mux *http.ServeMux) {
+	mux.Handle("/"+h.endpoint, h)
+}