dashboard: introduce an emergency stop mode

Add an emergency stop button that can be used by any admin. After it's
clicked two times, syzbot stops all reporting and recoding of new bugs.

It's assumed that the stop mode is revoked by manually deleting an entry
from the database.

1 files changed, 9 insertions, 0 deletions

diff --git a/dashboard/app/reporting_external.go b/dashboard/app/reporting_external.go
index e6f65c738..625476918 100644
--- a/dashboard/app/reporting_external.go
+++ b/dashboard/app/reporting_external.go
@@ -19,6 +19,9 @@ import (
 // and report back bug status updates with apiReportingUpdate.
 
 func apiReportingPollBugs(c context.Context, r *http.Request, payload []byte) (interface{}, error) {
+	if stop, err := emergentlyStopped(c); err != nil || stop {
+		return &dashapi.PollBugsResponse{}, err
+	}
 	req := new(dashapi.PollBugsRequest)
 	if err := json.Unmarshal(payload, req); err != nil {
 		return nil, fmt.Errorf("failed to unmarshal request: %w", err)
@@ -36,6 +39,9 @@ func apiReportingPollBugs(c context.Context, r *http.Request, payload []byte) (i
 }
 
 func apiReportingPollNotifications(c context.Context, r *http.Request, payload []byte) (interface{}, error) {
+	if stop, err := emergentlyStopped(c); err != nil || stop {
+		return &dashapi.PollNotificationsResponse{}, err
+	}
 	req := new(dashapi.PollNotificationsRequest)
 	if err := json.Unmarshal(payload, req); err != nil {
 		return nil, fmt.Errorf("failed to unmarshal request: %w", err)
@@ -48,6 +54,9 @@ func apiReportingPollNotifications(c context.Context, r *http.Request, payload [
 }
 
 func apiReportingPollClosed(c context.Context, r *http.Request, payload []byte) (interface{}, error) {
+	if stop, err := emergentlyStopped(c); err != nil || stop {
+		return &dashapi.PollClosedResponse{}, err
+	}
 	req := new(dashapi.PollClosedRequest)
 	if err := json.Unmarshal(payload, req); err != nil {
 		return nil, fmt.Errorf("failed to unmarshal request: %w", err)