grafana/pkg/services/quota/quota.go
Arve Knudsen 41d432b5ae
Chore: Enable whitespace linter (#25903)
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2020-07-06 20:17:28 +02:00

109 lines
2.6 KiB
Go

package quota
import (
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/registry"
"github.com/grafana/grafana/pkg/setting"
)
func init() {
registry.RegisterService(&QuotaService{})
}
type QuotaService struct {
AuthTokenService models.UserTokenService `inject:""`
}
func (qs *QuotaService) Init() error {
return nil
}
func (qs *QuotaService) QuotaReached(c *models.ReqContext, target string) (bool, error) {
if !setting.Quota.Enabled {
return false, nil
}
// No request context means this is a background service, like LDAP Background Sync.
// TODO: we should replace the req context with a more limited interface or struct,
// something that we could easily provide from background jobs.
if c == nil {
return false, nil
}
// get the list of scopes that this target is valid for. Org, User, Global
scopes, err := models.GetQuotaScopes(target)
if err != nil {
return false, err
}
for _, scope := range scopes {
c.Logger.Debug("Checking quota", "target", target, "scope", scope)
switch scope.Name {
case "global":
if scope.DefaultLimit < 0 {
continue
}
if scope.DefaultLimit == 0 {
return true, nil
}
if target == "session" {
usedSessions, err := qs.AuthTokenService.ActiveTokenCount(c.Req.Context())
if err != nil {
return false, err
}
if usedSessions > scope.DefaultLimit {
c.Logger.Debug("Sessions limit reached", "active", usedSessions, "limit", scope.DefaultLimit)
return true, nil
}
continue
}
query := models.GetGlobalQuotaByTargetQuery{Target: scope.Target}
if err := bus.Dispatch(&query); err != nil {
return true, err
}
if query.Result.Used >= scope.DefaultLimit {
return true, nil
}
case "org":
if !c.IsSignedIn {
continue
}
query := models.GetOrgQuotaByTargetQuery{OrgId: c.OrgId, Target: scope.Target, Default: scope.DefaultLimit}
if err := bus.Dispatch(&query); err != nil {
return true, err
}
if query.Result.Limit < 0 {
continue
}
if query.Result.Limit == 0 {
return true, nil
}
if query.Result.Used >= query.Result.Limit {
return true, nil
}
case "user":
if !c.IsSignedIn || c.UserId == 0 {
continue
}
query := models.GetUserQuotaByTargetQuery{UserId: c.UserId, Target: scope.Target, Default: scope.DefaultLimit}
if err := bus.Dispatch(&query); err != nil {
return true, err
}
if query.Result.Limit < 0 {
continue
}
if query.Result.Limit == 0 {
return true, nil
}
if query.Result.Used >= query.Result.Limit {
return true, nil
}
}
}
return false, nil
}