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Slightly nicer handling for bad edge cases.

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This commit is contained in:
Itamar Turner-Trauring 2022-07-22 11:52:56 -04:00
parent 757e8c418c
commit 5cd9ccfc6a
1 changed files with 9 additions and 1 deletions
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10
src/allmydata/storage/http_client.py
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@ -474,8 +474,16 @@ def read_share_chunk(
if response.code == http.PARTIAL_CONTENT:
content_range = parse_content_range_header(
response.headers.getRawHeaders("content-range")[0]
response.headers.getRawHeaders("content-range")[0] or ""
)
if (
content_range is None
or content_range.stop is None
or content_range.start is None
):
raise ValueError(
"Content-Range was missing, invalid, or in format we don't support"
)
supposed_length = content_range.stop - content_range.start
if supposed_length > length:
raise ValueError("Server sent more than we asked for?!")