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Merge branch 'rest-etag-fixes' of https://github.com/klaar/cowboy
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-module(rest_resource_etags). | ||
-export([init/3, generate_etag/2, content_types_provided/2, get_text_plain/2]). | ||
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init(_Transport, _Req, _Opts) -> | ||
{upgrade, protocol, cowboy_http_rest}. | ||
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generate_etag(Req, State) -> | ||
case cowboy_http_req:qs_val(<<"type">>, Req) of | ||
%% Correct return values from generate_etag/2. | ||
{<<"tuple-weak">>, Req2} -> | ||
{{weak, <<"etag-header-value">>}, Req2, State}; | ||
{<<"tuple-strong">>, Req2} -> | ||
{{strong, <<"etag-header-value">>}, Req2, State}; | ||
%% Backwards compatible return values from generate_etag/2. | ||
{<<"binary-weak-quoted">>, Req2} -> | ||
{<<"W/\"etag-header-value\"">>, Req2, State}; | ||
{<<"binary-strong-quoted">>, Req2} -> | ||
{<<"\"etag-header-value\"">>, Req2, State}; | ||
%% Invalid return values from generate_etag/2. | ||
{<<"binary-strong-unquoted">>, Req2} -> | ||
{<<"etag-header-value">>, Req2, State}; | ||
{<<"binary-weak-unquoted">>, Req2} -> | ||
{<<"W/etag-header-value">>, Req2, State} | ||
end. | ||
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content_types_provided(Req, State) -> | ||
{[{{<<"text">>, <<"plain">>, []}, get_text_plain}], Req, State}. | ||
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get_text_plain(Req, State) -> | ||
{<<"This is REST!">>, Req, State}. |