🐛(backend) there are no more cookie on BBB recording url

Due to change config on BBB of ESR
Add test to try if cookie set or not.
Add changelog

Author: ptitloup

CHANGELOG.md

@@ -8,6 +8,10 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+### Fixed
+
+- Get recording from BBB even if no cookie
+
 ## [5.12.1] - 2025-12-12
 
 ### Fixed

src/backend/marsha/core/tasks/recording.py

@@ -42,7 +42,7 @@ def copy_video_recording(record_url: str, video_pk: str, stamp: str):
         if not response.history:
             raise RecordingSourceError("No redirection have been followed.")
 
-        raw_cookie = response.history[0].headers.get("set-cookie")
+        raw_cookie = response.history[0].headers.get("set-cookie", "")
         cookie = raw_cookie.split(";")[0]
 
         base_url = response.url.rstrip("/")
@@ -56,7 +56,7 @@ def copy_video_recording(record_url: str, video_pk: str, stamp: str):
 
         with requests.get(
             video_url,
-            headers={"Cookie": cookie},
+            headers={"Cookie": cookie} if cookie else {},
             stream=True,
             timeout=10,
         ) as video_response:

src/backend/marsha/core/tests/tasks/test_recording.py

@@ -31,6 +31,70 @@ def setUpTestData(cls):
         cls.html_content = TEST_HTML_PATH.read_text()
         cls.video_content = TEST_VIDEO_PATH.read_bytes()
 
+    @responses.activate(assert_all_requests_are_fired=True)
+    def test_copy_video_recording_no_cookie(self):
+        """
+        Test the copy_video_recording task without cookie.
+        """
+        # Prepare URLs
+        record_url = "https://example.com/recording/1234/video"
+        playback_url = "https://example.com/playback/video/1234"
+        html_video_url = "https://example.com/video/1234"
+        video_file_url = f"{html_video_url}/video-0.m4v"
+
+        # First redirect from record URL
+        responses.add(
+            responses.GET,
+            record_url,
+            status=302,
+            headers={
+                "Location": playback_url,
+                "Content-Type": "text/html",
+            },
+        )
+
+        # Second redirect to HTML video page
+        responses.add(
+            responses.GET,
+            playback_url,
+            status=302,
+            headers={"Location": html_video_url, "Content-Type": "text/html"},
+        )
+
+        # HTML video page response
+        responses.add(
+            responses.GET,
+            html_video_url,
+            status=200,
+            body=self.html_content,
+            headers={"Content-Type": "text/html"},
+        )
+
+        # Video file response
+        responses.add(
+            responses.GET,
+            video_file_url,
+            status=200,
+            body=self.video_content,
+            headers={"Content-Type": "video/mp4"},
+        )
+
+        video = VideoFactory()
+        stamp = "1640995200"
+
+        copy_video_recording(record_url, video.pk, stamp)
+
+        video.refresh_from_db()
+        self.assertEqual(video.upload_state, defaults.PROCESSING)
+
+        expected_key = f"tmp/{str(video.pk)}/video/{stamp}"
+        self.assertTrue(file_storage.exists(expected_key))
+        with file_storage.open(expected_key, "rb") as video_file:
+            self.assertEqual(
+                video_file.read(),
+                self.video_content,
+            )
+
     @responses.activate(assert_all_requests_are_fired=True)
     def test_copy_video_recording(self):
         """