wip: add api auth and /resume endpoint

internal/delivery/http/v1/middleware.go

@@ -0,0 +1,30 @@
+package v1
+
+import (
+	"errors"
+
+	"github.com/gin-gonic/gin"
+)
+
+func containsValue(m map[string]string, value string) (string, error) {
+	for _, v := range m {
+		if v == value {
+			return v, nil
+		}
+	}
+	return value, errors.New("value is not in the provided map")
+}
+
+func (h *Handler) VerifyAuthentication(ctx *gin.Context) (string, error) {
+	header := ctx.GetHeader("X-API-KEY")
+	if header != "" {
+		return containsValue(h.services.Config.Auth.ApiKeys, header)
+	}
+
+	key := ctx.Query("api_key")
+	if key != "" {
+		return containsValue(h.services.Config.Auth.ApiKeys, key)
+	}
+
+	return "", errors.New("Missing API key")
+}