From 122866927bbd1a0293f8f9759587a23f148ec58a Mon Sep 17 00:00:00 2001
From: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>
Date: Sun, 28 Jun 2026 08:21:30 -0500
Subject: [PATCH] scope /recordings/unavailable query to the caller's allowed
 cameras

---
 frigate/api/record.py                    | 20 ++++-----
 frigate/test/http_api/test_http_media.py | 52 ++++++++++++++++++++++++
 2 files changed, 61 insertions(+), 11 deletions(-)

diff --git a/frigate/api/record.py b/frigate/api/record.py
index 04b81cf38a..5fc3950e20 100644
--- a/frigate/api/record.py
+++ b/frigate/api/record.py
@@ -269,12 +269,12 @@ async def no_recordings(
     cameras = params.cameras
     if cameras != "all":
         requested = set(unquote(cameras).split(","))
-        filtered = requested.intersection(allowed_cameras)
-        if not filtered:
-            return JSONResponse(content=[])
-        cameras = ",".join(filtered)
+        camera_list = list(requested.intersection(allowed_cameras))
     else:
-        cameras = allowed_cameras
+        camera_list = list(allowed_cameras)
+
+    if not camera_list:
+        return JSONResponse(content=[])
 
     before = params.before or datetime.datetime.now().timestamp()
     after = (
@@ -283,12 +283,10 @@ async def no_recordings(
     )
     scale = params.scale
 
-    clauses = [(Recordings.end_time >= after) & (Recordings.start_time <= before)]
-    if cameras != "all":
-        camera_list = cameras.split(",")
-        clauses.append((Recordings.camera << camera_list))
-    else:
-        camera_list = allowed_cameras
+    clauses = [
+        (Recordings.end_time >= after) & (Recordings.start_time <= before),
+        (Recordings.camera << camera_list),
+    ]
 
     # Get recording start times
     data: list[Recordings] = (
diff --git a/frigate/test/http_api/test_http_media.py b/frigate/test/http_api/test_http_media.py
index 58f9f92477..fa4e69473b 100644
--- a/frigate/test/http_api/test_http_media.py
+++ b/frigate/test/http_api/test_http_media.py
@@ -475,3 +475,55 @@ class TestHttpMedia(BaseTestHttp):
 
             assert response.status_code == 200
             assert response.json() == []
+
+    def test_recordings_unavailable_cameras_all_scopes_to_allowed_cameras(self):
+        """cameras=all must not error and must only consider allowed cameras.
+
+        allowed_cameras is mocked to ["front_door"]. A back_door recording that
+        would otherwise fill the gap must be ignored, and the request must not
+        500 the way it did when cameras was reassigned to a list.
+        """
+        with AuthTestClient(self.app) as client:
+            # front_door has a 20s gap (1010-1030).
+            Recordings.insert(
+                id="front_a",
+                path="/media/recordings/front_a.mp4",
+                camera="front_door",
+                start_time=1000,
+                end_time=1010,
+                duration=10,
+                motion=0,
+            ).execute()
+            Recordings.insert(
+                id="front_b",
+                path="/media/recordings/front_b.mp4",
+                camera="front_door",
+                start_time=1030,
+                end_time=1040,
+                duration=10,
+                motion=0,
+            ).execute()
+            # back_door is not in allowed_cameras; its full-window coverage must
+            # not mask the front_door gap.
+            Recordings.insert(
+                id="back_a",
+                path="/media/recordings/back_a.mp4",
+                camera="back_door",
+                start_time=1000,
+                end_time=1040,
+                duration=40,
+                motion=0,
+            ).execute()
+
+            response = client.get(
+                "/recordings/unavailable",
+                params={
+                    "after": 1000,
+                    "before": 1040,
+                    "scale": 5,
+                    "cameras": "all",
+                },
+            )
+
+            assert response.status_code == 200
+            assert response.json() == [{"start_time": 1010, "end_time": 1030}]