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http: fix camera/label/snapshot.jpg caching by returning at most max-age=60 (#9811)

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lawm 2024-02-11 14:27:54 -08:00
parent b9e20fc833
commit 113b8394de
1 changed files with 3 additions and 3 deletions
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6
frigate/http.py
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@ -990,7 +990,7 @@ def label_thumbnail(camera_name, label):
@bp.route("/events/<id>/snapshot.jpg") @bp.route("/events/<id>/snapshot.jpg")
def event_snapshot(id): def event_snapshot(id, max_cache_age=31536000):
download = request.args.get("download", type=bool) download = request.args.get("download", type=bool)
event_complete = False event_complete = False
jpg_bytes = None jpg_bytes = None
@ -1038,7 +1038,7 @@ def event_snapshot(id):
response = make_response(jpg_bytes) response = make_response(jpg_bytes)
response.headers["Content-Type"] = "image/jpeg" response.headers["Content-Type"] = "image/jpeg"
if event_complete: if event_complete:
response.headers["Cache-Control"] = "private, max-age=31536000" response.headers["Cache-Control"] = f"private, max-age={max_cache_age}"
else: else:
response.headers["Cache-Control"] = "no-store" response.headers["Cache-Control"] = "no-store"
if download: if download:
@ -1069,7 +1069,7 @@ def label_snapshot(camera_name, label):
try: try:
event = event_query.get() event = event_query.get()
return event_snapshot(event.id) return event_snapshot(event.id, 60)
except DoesNotExist: except DoesNotExist:
frame = np.zeros((720, 1280, 3), np.uint8) frame = np.zeros((720, 1280, 3), np.uint8)
ret, jpg = cv2.imencode(".jpg", frame, [int(cv2.IMWRITE_JPEG_QUALITY), 70]) ret, jpg = cv2.imencode(".jpg", frame, [int(cv2.IMWRITE_JPEG_QUALITY), 70])