Access control: Fix searching permissions from cache (#87489)

* Fix searching permissions from cache

* Write permissions to cache

pkg/services/accesscontrol/cacheutils.go

@@ -0,0 +1,26 @@
+package accesscontrol
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/grafana/grafana/pkg/services/auth/identity"
+)
+
+func GetPermissionCacheKey(user identity.Requester) string {
+	return fmt.Sprintf("rbac-permissions-%s", user.GetCacheKey())
+}
+
+func GetUserDirectPermissionCacheKey(user identity.Requester) string {
+	return fmt.Sprintf("rbac-permissions-direct-%s", user.GetCacheKey())
+}
+
+func GetBasicRolePermissionCacheKey(role string, orgID int64) string {
+	roleKey := strings.Replace(role, " ", "_", -1)
+	roleKey = strings.ToLower(roleKey)
+	return fmt.Sprintf("rbac-permissions-basic-role-%d-%s", orgID, roleKey)
+}
+
+func GetTeamPermissionCacheKey(teamID int64, orgID int64) string {
+	return fmt.Sprintf("rbac-permissions-team-%d-%d", orgID, teamID)
+}