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Fix video seekbar in static website hosting by adding HTTP Range request support

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kqjy
2026-03-10 22:21:55 +08:00
parent a4ae81c77c
commit 55568d6892
1 changed files with 50 additions and 26 deletions
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76
app/__init__.py
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@@ -562,30 +562,57 @@ def _configure_logging(app: Flask) -> None:
is_encrypted = "x-amz-server-side-encryption" in metadata
except (StorageError, OSError):
pass
if request.method == "HEAD":
response = Response(status=200)
if is_encrypted and hasattr(storage, "get_object_data"):
try:
data, _ = storage.get_object_data(bucket, object_key)
response.headers["Content-Length"] = len(data)
except (StorageError, OSError):
return _website_error_response(500, "Internal Server Error")
else:
try:
stat = obj_path.stat()
response.headers["Content-Length"] = stat.st_size
except OSError:
return _website_error_response(500, "Internal Server Error")
response.headers["Content-Type"] = content_type
return response
if is_encrypted and hasattr(storage, "get_object_data"):
try:
data, _ = storage.get_object_data(bucket, object_key)
response = Response(data, mimetype=content_type)
response.headers["Content-Length"] = len(data)
return response
file_size = len(data)
except (StorageError, OSError):
return _website_error_response(500, "Internal Server Error")
else:
data = None
try:
stat = obj_path.stat()
file_size = stat.st_size
except OSError:
return _website_error_response(500, "Internal Server Error")
if request.method == "HEAD":
response = Response(status=200)
response.headers["Content-Length"] = file_size
response.headers["Content-Type"] = content_type
response.headers["Accept-Ranges"] = "bytes"
return response
from .s3_api import _parse_range_header
range_header = request.headers.get("Range")
if range_header:
ranges = _parse_range_header(range_header, file_size)
if ranges is None:
return Response(status=416, headers={"Content-Range": f"bytes */{file_size}"})
start, end = ranges[0]
length = end - start + 1
if data is not None:
partial_data = data[start:end + 1]
response = Response(partial_data, status=206, mimetype=content_type)
else:
def _stream_range(file_path, start_pos, length_to_read):
with file_path.open("rb") as f:
f.seek(start_pos)
remaining = length_to_read
while remaining > 0:
chunk = f.read(min(262144, remaining))
if not chunk:
break
remaining -= len(chunk)
yield chunk
response = Response(_stream_range(obj_path, start, length), status=206, mimetype=content_type, direct_passthrough=True)
response.headers["Content-Range"] = f"bytes {start}-{end}/{file_size}"
response.headers["Content-Length"] = length
response.headers["Accept-Ranges"] = "bytes"
return response
if data is not None:
response = Response(data, mimetype=content_type)
response.headers["Content-Length"] = file_size
response.headers["Accept-Ranges"] = "bytes"
return response
def _stream(file_path):
with file_path.open("rb") as f:
while True:
@@ -593,13 +620,10 @@ def _configure_logging(app: Flask) -> None:
if not chunk:
break
yield chunk
try:
stat = obj_path.stat()
response = Response(_stream(obj_path), mimetype=content_type, direct_passthrough=True)
response.headers["Content-Length"] = stat.st_size
return response
except OSError:
return _website_error_response(500, "Internal Server Error")
response = Response(_stream(obj_path), mimetype=content_type, direct_passthrough=True)
response.headers["Content-Length"] = file_size
response.headers["Accept-Ranges"] = "bytes"
return response
def _serve_website_error(storage, bucket, error_doc_key, status_code):
if not error_doc_key: