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<H1>[99s-extend] Body length and content-length mismatch</H1>
<B>Loïc Hoguin</B>
<A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Body%20length%20and%20content-length%20mismatch&In-Reply-To=%3C54F0A54E.2010205%40ninenines.eu%3E"
TITLE="[99s-extend] Body length and content-length mismatch">essen at ninenines.eu
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<I>Fri Feb 27 18:11:42 CET 2015</I>
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<PRE>It looks like the client is telling you BS.
On 02/27/2015 06:07 PM, Samir Sow wrote:
><i> Hi,
</I>><i>
</I>><i> I’m facing an issue with the cowboy_req:body call.
</I>><i>
</I>><i> The header show a length of 2 while the body itself is a binary string which has a size greater than 2 for sure.
</I>><i> Trying to use cowboy_req:body with the length option does not make any difference.
</I>><i>
</I>><i> How can i retrieve the data ?
</I>><i> Any clue ?
</I>><i>
</I>><i> Thank you
</I>><i>
</I>><i> {ok,{<<"basic">>,{<<«<A HREF="https://lists.ninenines.eu/listinfo/extend">xxxxx at xxxxxx</A>">>,<<«xxxxxxx">>}},
</I>><i> {http_req,
</I>><i> {sslsocket,
</I>><i> {gen_tcp,#Port<0.13250>,tls_connection,<0.298.0>},
</I>><i> <0.407.0>},
</I>><i> ranch_ssl,keepalive,<0.408.0>,<<"POST">>,'HTTP/1.1',
</I>><i> {{xxxxxxxxx},16220},
</I>><i> <<«xxxx">>,undefined,xxxx,<<«xxxxx">>,undefined,
</I>><i> <<>>,undefined,
</I>><i> [{res_1,<<«xxxx">>}],
</I>><i> [{<<"content-type">>,<<"application/json">>},
</I>><i> {<<"content-length">>,<<"2">>},
</I>><i> {<<"te">>,<<>>},
</I>><i> {<<"host">>,<<«xxxxx">>},
</I>><i> {<<"authorization">>,
</I>><i> <<"Basic xxxxxxxxxxxxxx">>},
</I>><i> {<<"connection">>,<<"keep-alive">>}],
</I>><i> [{<<"authorization">>,
</I>><i> {<<"basic">>,{<<«xxxxxx">>,<<«xxxxxx">>}}},
</I>><i> {<<"connection">>,[<<"keep-alive">>]}],
</I>><i> undefined,[],waiting,
</I>><i> <<"{\"login\":\»<A HREF="https://lists.ninenines.eu/listinfo/extend">xxxx at xxxxxx</A>\",\»xxxx\":\»xxxx\"}{\"login\":\»<A HREF="https://lists.ninenines.eu/listinfo/extend">xxxx at xxxx</A>\",\»xxxx\":\»xxxxx\"}">>,
</I>
And looking at this (the buffer of already received data, presumably
your whole body, it looks like you receive 2 things. Perhaps the client
gives you the count of things instead of the length?
Either way if the client provides a wrong content-type you should reject
the connection.
><i> undefined,false,waiting,
</I>><i> [{<<"Access-Control-Allow-Credentials">>,<<"true">>},
</I>><i> {<<"Access-Control-Allow-Origin">>,
</I>><i> <<"<A HREF="http://xxxxxxxxx">http://xxxxxxxxx</A>">>}],
</I>><i> <<>>,undefined}}
</I>><i> Samir
</I>><i>
</I>><i>
</I>><i> _______________________________________________
</I>><i> Extend mailing list
</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">Extend at lists.ninenines.eu</A>
</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">https://lists.ninenines.eu/listinfo/extend</A>
</I>><i>
</I>
--
Loïc Hoguin
<A HREF="http://ninenines.eu">http://ninenines.eu</A>
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