[issue12489] email.errors.HeaderParseError if base64url is used
Christian Theune
report at bugs.python.org
Thu Apr 17 16:31:55 CEST 2014
Christian Theune added the comment:
So, in addition to "+/" and "-_" there are quite a few base64 variants. Worst thing: there are the two ambigious variants "-_" and "_-", even though "_-" supposedly is "non-standard" for its use.
See http://en.wikipedia.org/wiki/Base64
The shortest fix I can see would be to not use binascii directly from the email module but go through the base64 module (as pointed out by the blogpost) and call the urlsafe version. That should catch both cases.
Preparing a patch right now.
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nosy: +ctheune, r.david.murray
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<http://bugs.python.org/issue12489>
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