fix(api): Escape endpoint key in URL (#1114)

ISSUE #1100 | Fix bug with URL encoding

Co-authored-by: Семисохин Андрей <semisohin@kinoplan.ru>
Co-authored-by: TwiN <twin@linux.com>

api/chart.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"math"
 	"net/http"
+	"net/url"
 	"sort"
 	"time"
 
@@ -45,7 +46,11 @@ func ResponseTimeChart(c *fiber.Ctx) error {
 	default:
 		return c.Status(400).SendString("Durations supported: 30d, 7d, 24h")
 	}
-	hourlyAverageResponseTime, err := store.Get().GetHourlyAverageResponseTimeByKey(c.Params("key"), from, time.Now())
+	key, err := url.QueryUnescape(c.Params("key"))
+	if err != nil {
+		return c.Status(400).SendString("invalid key encoding")
+	}
+	hourlyAverageResponseTime, err := store.Get().GetHourlyAverageResponseTimeByKey(key, from, time.Now())
 	if err != nil {
 		if errors.Is(err, common.ErrEndpointNotFound) {
 			return c.Status(404).SendString(err.Error())