[Web-SIG] Multiple message-header fields handling

[Manlio Perillo]

Robert Brewer ha scritto:
>
 > [...]
> As you note, it's part of the HTTP spec that such headers
> can be combined without changing the semantics. Here's a list of the
> headers that need to be folded:
> 
> comma_separated_headers = ['ACCEPT', 'ACCEPT-CHARSET', 'ACCEPT-ENCODING',
>     'ACCEPT-LANGUAGE', 'ACCEPT-RANGES', 'ALLOW', 'CACHE-CONTROL',
>     'CONNECTION', 'CONTENT-ENCODING', 'CONTENT-LANGUAGE', 'EXPECT',
>     'IF-MATCH', 'IF-NONE-MATCH', 'PRAGMA', 'PROXY-AUTHENTICATE', 'TE',
>     'TRAILER', 'TRANSFER-ENCODING', 'UPGRADE', 'VARY', 'VIA', 'WARNING',
>     'WWW-AUTHENTICATE']
> 

Note that some of these headers are response headers, and it is 
responsibility of the WSGI application to properly folding them, and not 
of the WSGI gateway.


> The only tricky one is Cookie, because e.g. Konqueror sends them on
> multiple lines, but they're not foldable.
> 
> See http://kristol.org/cookie/errata.html
> 

This is a mess...

Note: in some tests, I have seen Firefox sending a Cookie on multiple lines.

 > [...]



Thanks and regards   Manlio Perillo