Add url normalizer

src/repository.go

@@ -1,5 +1,11 @@
 package main
 
+import (
+	"regexp"
+)
+
+var rx = regexp.MustCompile(`/+$`)
+
 func getConnection(uid string) *Connection {
 	var connection Connection
 	orm.DB.First(&connection, "client_id = ?", uid)
@@ -32,3 +38,7 @@ func (c *Connection) createConnection() error {
 func (c *Connection) saveConnection() error {
 	return orm.DB.Model(c).Where("client_id = ?", c.ClientID).Update(c).Error
 }
+
+func (c *Connection) NormalizeApiUrl() {
+	c.APIURL = rx.ReplaceAllString(c.APIURL, ``)
+}

src/routing.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"strings"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -195,8 +194,9 @@ func activityHandler(c *gin.Context) {
 	conn.Active = activity.Active && !activity.Freeze
 
 	if systemUrl != "" {
-		conn.APIURL = strings.TrimRight(systemUrl, "/")
+		conn.APIURL = systemUrl
 	}
+	conn.NormalizeApiUrl()
 
 	if err := conn.setConnectionActivity(); err != nil {
 		c.Error(err)

src/run.go

@@ -4,7 +4,6 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
-	"regexp"
 	"syscall"
 
 	"github.com/getsentry/raven-go"
@@ -24,7 +23,6 @@ func init() {
 
 var (
 	sentry *raven.Client
-	rx     = regexp.MustCompile(`/+$`)
 	wm     = NewWorkersManager()
 )
 
@@ -129,7 +127,7 @@ func checkConnectionForRequest() gin.HandlerFunc {
 			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": getLocalizedMessage("incorrect_url_key")})
 			return
 		}
-		conn.APIURL = rx.ReplaceAllString(conn.APIURL, ``)
+		conn.NormalizeApiUrl()
 
 		c.Set("connection", conn)
 	}