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-module(dreki_web_error).
-behaviour(cowboy_handler).
-export([init/2]).
init(Req, not_found) ->
reply(Req, 404, <<"Not Found">>, undefined);
init(Req, State = #{code := Code, status := Status}) ->
reply(Req, Code, Status, maps:get(message, State, undefined));
init(Req, oauth2) ->
{ok, ErrorDescription} = dreki_web:req_param(Req, <<"error_description">>),
reply(Req, 500, <<"Error">>, ErrorDescription);
init(Req = #{method := <<"GET">>}, _) ->
{ok, ErrorId} = dreki_web:req_param(Req, <<"id">>),
{ok, #{<<"error">> := #{<<"status">> := Status, <<"code">> := Code, <<"message">> := Msg}}} = ory_kratos:error(ErrorId),
reply(Req, Code, Status, Msg).
reply(Req0, Code, Status, Msg) ->
Json = #{<<"error">> => #{<<"code">> => Code, <<"status">> => Status, <<"message">> => Msg}},
Req = dreki_web:reply_json(Req0, Code, Json),
{ok, Req, undefined}.
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