diff options
| -rw-r--r-- | spec/util_jwt_spec.lua | 170 | ||||
| -rw-r--r-- | util/jwt.lua | 49 |
2 files changed, 205 insertions, 14 deletions
diff --git a/spec/util_jwt_spec.lua b/spec/util_jwt_spec.lua index 854688bd..77b6b30d 100644 --- a/spec/util_jwt_spec.lua +++ b/spec/util_jwt_spec.lua @@ -8,6 +8,9 @@ describe("util.jwt", function () local ok, parsed = jwt.verify(key, token); assert.truthy(ok) assert.same({ payload = "this" }, parsed); + + + end); it("rejects invalid", function () local key = "secret"; @@ -17,6 +20,21 @@ describe("util.jwt", function () assert.falsy(ok) end); + it("validates HS256", function () + local verify = jwt.new_verifier("HS256", "your-256-bit-secret"); + + local result = {verify([[eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c]])}; + assert.same({ + true; -- success + { -- payload + sub = "1234567890"; + name = "John Doe"; + iat = 1516239022; + }; + }, result); + + end); + it("validates ES256", function () local private_key = [[ -----BEGIN PRIVATE KEY----- @@ -66,5 +84,157 @@ q9UU8I5mEovUf86QZ7kOBIjJwqnzD1omageEHWwHdBO6B+dFabmdT9POxg== }, result); end); + it("validates RS256", function () + local private_key = [[ +-----BEGIN PRIVATE KEY----- +MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQC7VJTUt9Us8cKj +MzEfYyjiWA4R4/M2bS1GB4t7NXp98C3SC6dVMvDuictGeurT8jNbvJZHtCSuYEvu +NMoSfm76oqFvAp8Gy0iz5sxjZmSnXyCdPEovGhLa0VzMaQ8s+CLOyS56YyCFGeJZ +qgtzJ6GR3eqoYSW9b9UMvkBpZODSctWSNGj3P7jRFDO5VoTwCQAWbFnOjDfH5Ulg +p2PKSQnSJP3AJLQNFNe7br1XbrhV//eO+t51mIpGSDCUv3E0DDFcWDTH9cXDTTlR +ZVEiR2BwpZOOkE/Z0/BVnhZYL71oZV34bKfWjQIt6V/isSMahdsAASACp4ZTGtwi +VuNd9tybAgMBAAECggEBAKTmjaS6tkK8BlPXClTQ2vpz/N6uxDeS35mXpqasqskV +laAidgg/sWqpjXDbXr93otIMLlWsM+X0CqMDgSXKejLS2jx4GDjI1ZTXg++0AMJ8 +sJ74pWzVDOfmCEQ/7wXs3+cbnXhKriO8Z036q92Qc1+N87SI38nkGa0ABH9CN83H +mQqt4fB7UdHzuIRe/me2PGhIq5ZBzj6h3BpoPGzEP+x3l9YmK8t/1cN0pqI+dQwY +dgfGjackLu/2qH80MCF7IyQaseZUOJyKrCLtSD/Iixv/hzDEUPfOCjFDgTpzf3cw +ta8+oE4wHCo1iI1/4TlPkwmXx4qSXtmw4aQPz7IDQvECgYEA8KNThCO2gsC2I9PQ +DM/8Cw0O983WCDY+oi+7JPiNAJwv5DYBqEZB1QYdj06YD16XlC/HAZMsMku1na2T +N0driwenQQWzoev3g2S7gRDoS/FCJSI3jJ+kjgtaA7Qmzlgk1TxODN+G1H91HW7t +0l7VnL27IWyYo2qRRK3jzxqUiPUCgYEAx0oQs2reBQGMVZnApD1jeq7n4MvNLcPv +t8b/eU9iUv6Y4Mj0Suo/AU8lYZXm8ubbqAlwz2VSVunD2tOplHyMUrtCtObAfVDU +AhCndKaA9gApgfb3xw1IKbuQ1u4IF1FJl3VtumfQn//LiH1B3rXhcdyo3/vIttEk +48RakUKClU8CgYEAzV7W3COOlDDcQd935DdtKBFRAPRPAlspQUnzMi5eSHMD/ISL +DY5IiQHbIH83D4bvXq0X7qQoSBSNP7Dvv3HYuqMhf0DaegrlBuJllFVVq9qPVRnK +xt1Il2HgxOBvbhOT+9in1BzA+YJ99UzC85O0Qz06A+CmtHEy4aZ2kj5hHjECgYEA +mNS4+A8Fkss8Js1RieK2LniBxMgmYml3pfVLKGnzmng7H2+cwPLhPIzIuwytXywh +2bzbsYEfYx3EoEVgMEpPhoarQnYPukrJO4gwE2o5Te6T5mJSZGlQJQj9q4ZB2Dfz +et6INsK0oG8XVGXSpQvQh3RUYekCZQkBBFcpqWpbIEsCgYAnM3DQf3FJoSnXaMhr +VBIovic5l0xFkEHskAjFTevO86Fsz1C2aSeRKSqGFoOQ0tmJzBEs1R6KqnHInicD +TQrKhArgLXX4v3CddjfTRJkFWDbE/CkvKZNOrcf1nhaGCPspRJj2KUkj1Fhl9Cnc +dn/RsYEONbwQSjIfMPkvxF+8HQ== +-----END PRIVATE KEY----- +]]; + local sign = jwt.new_signer("RS256", private_key); + + local token = sign({ + sub = "1234567890"; + name = "John Doe"; + admin = true; + iat = 1516239022; + }); + + local public_key = [[ +-----BEGIN PUBLIC KEY----- +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu1SU1LfVLPHCozMxH2Mo +4lgOEePzNm0tRgeLezV6ffAt0gunVTLw7onLRnrq0/IzW7yWR7QkrmBL7jTKEn5u ++qKhbwKfBstIs+bMY2Zkp18gnTxKLxoS2tFczGkPLPgizskuemMghRniWaoLcyeh +kd3qqGElvW/VDL5AaWTg0nLVkjRo9z+40RQzuVaE8AkAFmxZzow3x+VJYKdjykkJ +0iT9wCS0DRTXu269V264Vf/3jvredZiKRkgwlL9xNAwxXFg0x/XFw005UWVRIkdg +cKWTjpBP2dPwVZ4WWC+9aGVd+Gyn1o0CLelf4rEjGoXbAAEgAqeGUxrcIlbjXfbc +mwIDAQAB +-----END PUBLIC KEY----- +]]; + local verify = jwt.new_verifier("RS256", public_key); + + local result = {verify(token)}; + assert.same({ + true; -- success + { -- payload + sub = "1234567890"; + name = "John Doe"; + admin = true; + iat = 1516239022; + }; + }, result); + + local result = {verify[[eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.NHVaYe26MbtOYhSKkoKYdFVomg4i8ZJd8_-RU8VNbftc4TSMb4bXP3l3YlNWACwyXPGffz5aXHc6lty1Y2t4SWRqGteragsVdZufDn5BlnJl9pdR_kdVFUsra2rWKEofkZeIC4yWytE58sMIihvo9H1ScmmVwBcQP6XETqYd0aSHp1gOa9RdUPDvoXQ5oqygTqVtxaDr6wUFKrKItgBMzWIdNZ6y7O9E0DhEPTbE9rfBo6KTFsHAZnMg4k68CDp2woYIaXbmYTWcvbzIuHO7_37GT79XdIwkm95QJ7hYC9RiwrV7mesbY4PAahERJawntho0my942XheVLmGwLMBkQ]]}; + assert.same({ + true; -- success + { -- payload + sub = "1234567890"; + name = "John Doe"; + admin = true; + iat = 1516239022; + }; + }, result); + end); + + it("validates PS256", function () + local private_key = [[ +-----BEGIN PRIVATE KEY----- +MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQC7VJTUt9Us8cKj +MzEfYyjiWA4R4/M2bS1GB4t7NXp98C3SC6dVMvDuictGeurT8jNbvJZHtCSuYEvu +NMoSfm76oqFvAp8Gy0iz5sxjZmSnXyCdPEovGhLa0VzMaQ8s+CLOyS56YyCFGeJZ +qgtzJ6GR3eqoYSW9b9UMvkBpZODSctWSNGj3P7jRFDO5VoTwCQAWbFnOjDfH5Ulg +p2PKSQnSJP3AJLQNFNe7br1XbrhV//eO+t51mIpGSDCUv3E0DDFcWDTH9cXDTTlR +ZVEiR2BwpZOOkE/Z0/BVnhZYL71oZV34bKfWjQIt6V/isSMahdsAASACp4ZTGtwi +VuNd9tybAgMBAAECggEBAKTmjaS6tkK8BlPXClTQ2vpz/N6uxDeS35mXpqasqskV +laAidgg/sWqpjXDbXr93otIMLlWsM+X0CqMDgSXKejLS2jx4GDjI1ZTXg++0AMJ8 +sJ74pWzVDOfmCEQ/7wXs3+cbnXhKriO8Z036q92Qc1+N87SI38nkGa0ABH9CN83H +mQqt4fB7UdHzuIRe/me2PGhIq5ZBzj6h3BpoPGzEP+x3l9YmK8t/1cN0pqI+dQwY +dgfGjackLu/2qH80MCF7IyQaseZUOJyKrCLtSD/Iixv/hzDEUPfOCjFDgTpzf3cw +ta8+oE4wHCo1iI1/4TlPkwmXx4qSXtmw4aQPz7IDQvECgYEA8KNThCO2gsC2I9PQ +DM/8Cw0O983WCDY+oi+7JPiNAJwv5DYBqEZB1QYdj06YD16XlC/HAZMsMku1na2T +N0driwenQQWzoev3g2S7gRDoS/FCJSI3jJ+kjgtaA7Qmzlgk1TxODN+G1H91HW7t +0l7VnL27IWyYo2qRRK3jzxqUiPUCgYEAx0oQs2reBQGMVZnApD1jeq7n4MvNLcPv +t8b/eU9iUv6Y4Mj0Suo/AU8lYZXm8ubbqAlwz2VSVunD2tOplHyMUrtCtObAfVDU +AhCndKaA9gApgfb3xw1IKbuQ1u4IF1FJl3VtumfQn//LiH1B3rXhcdyo3/vIttEk +48RakUKClU8CgYEAzV7W3COOlDDcQd935DdtKBFRAPRPAlspQUnzMi5eSHMD/ISL +DY5IiQHbIH83D4bvXq0X7qQoSBSNP7Dvv3HYuqMhf0DaegrlBuJllFVVq9qPVRnK +xt1Il2HgxOBvbhOT+9in1BzA+YJ99UzC85O0Qz06A+CmtHEy4aZ2kj5hHjECgYEA +mNS4+A8Fkss8Js1RieK2LniBxMgmYml3pfVLKGnzmng7H2+cwPLhPIzIuwytXywh +2bzbsYEfYx3EoEVgMEpPhoarQnYPukrJO4gwE2o5Te6T5mJSZGlQJQj9q4ZB2Dfz +et6INsK0oG8XVGXSpQvQh3RUYekCZQkBBFcpqWpbIEsCgYAnM3DQf3FJoSnXaMhr +VBIovic5l0xFkEHskAjFTevO86Fsz1C2aSeRKSqGFoOQ0tmJzBEs1R6KqnHInicD +TQrKhArgLXX4v3CddjfTRJkFWDbE/CkvKZNOrcf1nhaGCPspRJj2KUkj1Fhl9Cnc +dn/RsYEONbwQSjIfMPkvxF+8HQ== +-----END PRIVATE KEY----- +]]; + local sign = jwt.new_signer("PS256", private_key); + + local token = sign({ + sub = "1234567890"; + name = "John Doe"; + admin = true; + iat = 1516239022; + }); + + local public_key = [[ +-----BEGIN PUBLIC KEY----- +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu1SU1LfVLPHCozMxH2Mo +4lgOEePzNm0tRgeLezV6ffAt0gunVTLw7onLRnrq0/IzW7yWR7QkrmBL7jTKEn5u ++qKhbwKfBstIs+bMY2Zkp18gnTxKLxoS2tFczGkPLPgizskuemMghRniWaoLcyeh +kd3qqGElvW/VDL5AaWTg0nLVkjRo9z+40RQzuVaE8AkAFmxZzow3x+VJYKdjykkJ +0iT9wCS0DRTXu269V264Vf/3jvredZiKRkgwlL9xNAwxXFg0x/XFw005UWVRIkdg +cKWTjpBP2dPwVZ4WWC+9aGVd+Gyn1o0CLelf4rEjGoXbAAEgAqeGUxrcIlbjXfbc +mwIDAQAB +-----END PUBLIC KEY----- +]]; + local verify = jwt.new_verifier("PS256", public_key); + + local result = {verify(token)}; + assert.same({ + true; -- success + { -- payload + sub = "1234567890"; + name = "John Doe"; + admin = true; + iat = 1516239022; + }; + }, result); + + local result = {verify[[eyJhbGciOiJQUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.iOeNU4dAFFeBwNj6qdhdvm-IvDQrTa6R22lQVJVuWJxorJfeQww5Nwsra0PjaOYhAMj9jNMO5YLmud8U7iQ5gJK2zYyepeSuXhfSi8yjFZfRiSkelqSkU19I-Ja8aQBDbqXf2SAWA8mHF8VS3F08rgEaLCyv98fLLH4vSvsJGf6ueZSLKDVXz24rZRXGWtYYk_OYYTVgR1cg0BLCsuCvqZvHleImJKiWmtS0-CymMO4MMjCy_FIl6I56NqLE9C87tUVpo1mT-kbg5cHDD8I7MjCW5Iii5dethB4Vid3mZ6emKjVYgXrtkOQ-JyGMh6fnQxEFN1ft33GX2eRHluK9eg]]}; + assert.same({ + true; -- success + { -- payload + sub = "1234567890"; + name = "John Doe"; + admin = true; + iat = 1516239022; + }; + }, result); + end); + end); diff --git a/util/jwt.lua b/util/jwt.lua index 58888b5d..433a69f6 100644 --- a/util/jwt.lua +++ b/util/jwt.lua @@ -66,8 +66,7 @@ local function new_hmac_algorithm(name, hmac) return { sign = sign, verify = verify, load_key = load_key }; end --- ES*** family -local function new_ecdsa_algorithm(name, c_sign, c_verify) +local function new_crypto_algorithm(name, key_type, c_sign, c_verify, sig_encode, sig_decode) local static_header = new_static_header(name); return { @@ -75,25 +74,27 @@ local function new_ecdsa_algorithm(name, c_sign, c_verify) local encoded_payload = json.encode(payload); local signed = static_header .. b64url(encoded_payload); - local der_sig = c_sign(private_key, signed); - - local r, s = crypto.parse_ecdsa_signature(der_sig); + local signature = c_sign(private_key, signed); + if sig_encode then + signature = sig_encode(signature); + end - return signed.."."..b64url(r..s); + return signed.."."..b64url(signature); end; - verify = function (public_key, blob) + verify = function (public_key, blob) local signed, signature, raw_payload = decode_jwt(blob, name); if not signed then return nil, signature; end -- nil, err - local raw_signature = unb64url(signature); - - local der_sig = crypto.build_ecdsa_signature(raw_signature:sub(1, 32), raw_signature:sub(33, 64)); - if not der_sig then + signature = unb64url(signature); + if sig_decode and signature then + signature = sig_decode(signature); + end + if not signature then return false, "signature-mismatch"; end - local verify_ok = c_verify(public_key, signed, der_sig); + local verify_ok = c_verify(public_key, signed, signature); if not verify_ok then return false, "signature-mismatch"; end @@ -108,21 +109,41 @@ local function new_ecdsa_algorithm(name, c_sign, c_verify) load_public_key = function (public_key_pem) local key = assert(crypto.import_public_pem(public_key_pem)); - assert(key:get_type() == "id-ecPublicKey", "incorrect key type"); + assert(key:get_type() == key_type, "incorrect key type"); return key; end; load_private_key = function (private_key_pem) local key = assert(crypto.import_private_pem(private_key_pem)); - assert(key:get_type() == "id-ecPublicKey", "incorrect key type"); + assert(key:get_type() == key_type, "incorrect key type"); return key; end; }; end +-- RS***, PS*** +local function new_rsa_algorithm(name, c_sign, c_verify) + return new_crypto_algorithm(name, "rsaEncryption", c_sign, c_verify); +end + +-- ES*** +local function new_ecdsa_algorithm(name, c_sign, c_verify) + local function encode_ecdsa_sig(der_sig) + local r, s = crypto.parse_ecdsa_signature(der_sig); + return r..s; + end + + local function decode_ecdsa_sig(jwk_sig) + return crypto.build_ecdsa_signature(jwk_sig:sub(1, 32), jwk_sig:sub(33, 64)); + end + return new_crypto_algorithm(name, "id-ecPublicKey", c_sign, c_verify, encode_ecdsa_sig, decode_ecdsa_sig); +end + local algorithms = { HS256 = new_hmac_algorithm("HS256", hashes.hmac_sha256); ES256 = new_ecdsa_algorithm("ES256", crypto.ecdsa_sha256_sign, crypto.ecdsa_sha256_verify); + RS256 = new_rsa_algorithm("RS256", crypto.rsassa_pkcs1_256_sign, crypto.rsassa_pkcs1_256_verify); + PS256 = new_rsa_algorithm("PS256", crypto.rsassa_pss_256_sign, crypto.rsassa_pss_256_verify); }; local function new_signer(algorithm, key_input) |