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Make secret an optional argument for decode

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This commit is contained in:
Arun M 2017-12-26 20:20:53 +05:30
parent 6c2bbe9ad0
commit 99f3c1db86
6 changed files with 48 additions and 20 deletions
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4
include/jwt/impl/error_codes.ipp
View file

@ -59,6 +59,10 @@ struct DecodeErrorCategory: std::error_category
return "json parse failed";
case DecodeErrc::DuplClaims:
return "duplicate claims";
case DecodeErrc::KeyNotPresent:
return "key not present";
case DecodeErrc::KeyNotRequiredForNoneAlg:
return "key not required for NONE algorithm";
};
assert (0 && "Code not reached");

36
include/jwt/impl/jwt.ipp
View file

@ -464,13 +464,19 @@ jwt_object::three_parts(const string_view enc_str)
return result;
}
template <typename DecodeParams, typename... Rest>
void jwt_object::set_decode_params(DecodeParams& dparams, params::detail::secret_param s, Rest&&... args)
{
dparams.secret.assign(s.get().data(), s.get().length());
dparams.has_secret = true;
jwt_object::set_decode_params(dparams, std::forward<Rest>(args)...);
}
template <typename DecodeParams, typename... Rest>
void jwt_object::set_decode_params(DecodeParams& dparams, params::detail::leeway_param l, Rest&&... args)
{
dparams.leeway = l.get();
jwt_object::set_decode_params(dparams, std::forward<Rest>(args)...);
return;
}
template <typename DecodeParams, typename... Rest>
@ -478,7 +484,6 @@ void jwt_object::set_decode_params(DecodeParams& dparams, params::detail::verify
{
dparams.verify = v.get();
jwt_object::set_decode_params(dparams, std::forward<Rest>(args)...);
return;
}
template <typename DecodeParams, typename... Rest>
@ -487,7 +492,6 @@ void jwt_object::set_decode_params(DecodeParams& dparams, params::detail::issuer
dparams.issuer = std::move(i).get();
dparams.has_issuer = true;
jwt_object::set_decode_params(dparams, std::forward<Rest>(args)...);
return;
}
template <typename DecodeParams, typename... Rest>
@ -508,7 +512,6 @@ void jwt_object::set_decode_params(DecodeParams& dparams)
template <typename SequenceT, typename... Args>
jwt_object decode(const string_view enc_str,
const string_view key,
const params::detail::algorithms_param<SequenceT>& algos,
std::error_code& ec,
Args&&... args)
@ -523,14 +526,21 @@ jwt_object decode(const string_view enc_str,
struct decode_params
{
/// key to decode the JWS
bool has_secret = false;
std::string secret;
/// Verify parameter. Defaulted to true.
bool verify = true;
/// Leeway parameter. Defaulted to zero seconds.
uint32_t leeway = 0;
///The issuer
//TODO: optional type
bool has_issuer = false;
std::string issuer;
///The audience
//TODO: optional type
bool has_aud = false;
@ -571,6 +581,15 @@ jwt_object decode(const string_view enc_str,
ec = DecodeErrc::SignatureFormatError;
return obj;
}
if (!dparams.has_secret) {
ec = DecodeErrc::KeyNotPresent;
return obj;
}
} else {
if (dparams.has_secret) {
ec = DecodeErrc::KeyNotRequiredForNoneAlg;
}
}
//throws decode error
@ -589,7 +608,7 @@ jwt_object decode(const string_view enc_str,
//Verify the signature only if some algorithm was used
if (obj.header().algo() != algorithm::NONE) {
jwt_signature jsign{key};
jwt_signature jsign{dparams.secret};
// Length of the encoded header and payload only.
// Addition of '1' to account for the '.' character.
@ -617,13 +636,11 @@ jwt_object decode(const string_view enc_str,
template <typename SequenceT, typename... Args>
jwt_object decode(const string_view enc_str,
const string_view key,
const params::detail::algorithms_param<SequenceT>& algos,
Args&&... args)
{
std::error_code ec{};
auto jwt_obj = decode(enc_str,
key,
algos,
ec,
std::forward<Args>(args)...);
@ -681,6 +698,11 @@ void jwt_throw_exception(const std::error_code& ec)
{
throw SignatureFormatError(ec.message());
}
case DecodeErrc::KeyNotRequiredForNoneAlg:
{
// Not an error. Just to be ignored.
break;
}
default:
{
throw DecodeError(ec.message());