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api: include checking of version information in header or query string

This commit is contained in:
Bart Van Der Meerssche 2010-04-28 00:08:41 +02:00
parent 54c151c4a5
commit c69f4d65c8
1 changed files with 15 additions and 2 deletions
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17
web/api/flukso/src/flukso_resource.erl
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@ -21,6 +21,7 @@ allowed_methods(ReqData, State) ->
{['GET'], ReqData, State}.
malformed_request(ReqData, _State) ->
{_Version, ValidVersion} = check_version(wrq:get_req_header("X-Version", ReqData), wrq:get_qs_value("version", ReqData)),
{RrdSensor, ValidSensor} = check_sensor(wrq:path_info(sensor, ReqData)),
{RrdTime, ValidInterval} = check_time(wrq:get_qs_value("interval", ReqData)),
{RrdFactor, ValidUnit} = check_unit(wrq:get_qs_value("unit", ReqData)),
@ -29,8 +30,8 @@ malformed_request(ReqData, _State) ->
State = #state{rrdSensor = RrdSensor, rrdTime = RrdTime, rrdFactor = RrdFactor, token = Token, jsonpCallback = JsonpCallback},
{case {ValidSensor, ValidInterval, ValidUnit, ValidToken, ValidJsonpCallback} of
{true, true, true, true, true} -> false;
{case {ValidVersion, ValidSensor, ValidInterval, ValidUnit, ValidToken, ValidJsonpCallback} of
{true, true, true, true, true, true} -> false;
_ -> true
end,
ReqData, State}.
@ -70,6 +71,18 @@ to_json(ReqData, #state{rrdSensor = RrdSensor, rrdTime = RrdTime, rrdFactor = Rr
end.
%% internal functions
check_version(undefined, undefined) ->
{false, false};
check_version(Version, undefined) ->
case Version of
"1.0" -> {Version, true};
_ -> {false, false}
end;
check_version(undefined, Version) ->
check_version(Version, undefined);
check_version(_, _) ->
{false, false}.
check_sensor(Sensor) ->
case re:run(Sensor, "[0-9a-f]+", []) of
{match, [{0,32}]} -> {Sensor, true};