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

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This commit is contained in:
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 DownloadContext(dict):
add_headers = info_dict.get('http_headers') add_headers = info_dict.get('http_headers')
if add_headers: if add_headers:
headers.update(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) is_test = self.params.get('test', False)
chunk_size = self._TEST_FILE_SIZE if is_test else ( chunk_size = self._TEST_FILE_SIZE if is_test else (
@ -98,6 +96,7 @@ def establish_connection():
range_end = ctx.data_len - 1 range_end = ctx.data_len - 1
has_range = range_start is not None has_range = range_start is not None
ctx.has_range = has_range ctx.has_range = has_range
request = sanitized_Request(url, None, headers)
if has_range: if has_range:
set_range(request, range_start, range_end) set_range(request, range_start, range_end)
# Establish connection # Establish connection
@ -140,7 +139,8 @@ def establish_connection():
# Unable to resume (requested range not satisfiable) # Unable to resume (requested range not satisfiable)
try: try:
# Open the connection again without the range header # 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'] content_length = ctx.data.info()['Content-Length']
except (compat_urllib_error.HTTPError, ) as err: except (compat_urllib_error.HTTPError, ) as err:
if err.code < 500 or err.code >= 600: if err.code < 500 or err.code >= 600:
@ -171,12 +171,6 @@ def establish_connection():
ctx.resume_len = 0 ctx.resume_len = 0
ctx.open_mode = 'wb' ctx.open_mode = 'wb'
return 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: elif err.code < 500 or err.code >= 600:
# Unexpected HTTP error # Unexpected HTTP error
raise raise