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Code Issues 7 Projects Releases Wiki Activity

[downloader/http] Fix 302 infinite loops by not reusing requests

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Sergey M․ 2018-02-04 06:58:34 +07:00
parent b54d4a5ce8
commit cf7259bc93
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1 changed files with 3 additions and 9 deletions
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12
youtube_dl/downloader/http.py
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@ -42,8 +42,6 @@ class HttpFD(FileDownloader):
add_headers = info_dict.get('http_headers')
if add_headers:
headers.update(add_headers)
basic_request = sanitized_Request(url, None, headers)
request = sanitized_Request(url, None, headers)
is_test = self.params.get('test', False)
chunk_size = self._TEST_FILE_SIZE if is_test else (
@ -98,6 +96,7 @@ class HttpFD(FileDownloader):
range_end = ctx.data_len - 1
has_range = range_start is not None
ctx.has_range = has_range
request = sanitized_Request(url, None, headers)
if has_range:
set_range(request, range_start, range_end)
# Establish connection
@ -140,7 +139,8 @@ class HttpFD(FileDownloader):
# Unable to resume (requested range not satisfiable)
try:
# Open the connection again without the range header
ctx.data = self.ydl.urlopen(basic_request)
ctx.data = self.ydl.urlopen(
sanitized_Request(url, None, headers))
content_length = ctx.data.info()['Content-Length']
except (compat_urllib_error.HTTPError, ) as err:
if err.code < 500 or err.code >= 600:
@ -171,12 +171,6 @@ class HttpFD(FileDownloader):
ctx.resume_len = 0
ctx.open_mode = 'wb'
return
elif err.code == 302:
if not chunk_size:
raise
# HTTP Error 302: The HTTP server returned a redirect error that would lead to an infinite loop.
# may happen during chunk downloading. This is usually fixed
# with a retry.
elif err.code < 500 or err.code >= 600:
# Unexpected HTTP error
raise