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Decode headers with ISO-8859-1 instead of ASCII

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Daniel 2015-09-24 14:27:17 +02:00
parent a63aed5965
commit cb477a2623
1 changed files with 11 additions and 1 deletions
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12
qutebrowser/misc/mhtml.py
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@ -278,7 +278,17 @@ class _Downloader():
"""
self.pending_downloads.remove((url, item))
mime = item.raw_headers.get(b"Content-Type", b"")
mime = mime.decode("ascii", "ignore")
# Note that this decoding always works and doesn't produce errors
# RFC 7230 (https://tools.ietf.org/html/rfc7230) states:
# Historically, HTTP has allowed field content with text in the
# ISO-8859-1 charset [ISO-8859-1], supporting other charsets only
# through use of [RFC2047] encoding. In practice, most HTTP header
# field values use only a subset of the US-ASCII charset [USASCII].
# Newly defined header fields SHOULD limit their field values to
# US-ASCII octets. A recipient SHOULD treat other octets in field
# content (obs-text) as opaque data.
mime = mime.decode("iso-8859-1")
if mime.lower() == "text/css":
# We can't always assume that CSS files are UTF-8, but CSS files