prosody
b3d0c1457584
util/jwt.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util/jwt.lua @ 12699:b3d0c1457584

util.jwt: Add support for RSA-based algorithms (RS256, PS256)
author Matthew Wild <mwild1@gmail.com>
date Sat, 02 Jul 2022 12:26:43 +0100
parent 12696:27a72982e331
child 12702:f63176781940
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 local s_gsub = string.gsub;
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
2 local crypto = require "util.crypto";
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 local json = require "util.json";
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 local hashes = require "util.hashes";
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 local base64_encode = require "util.encodings".base64.encode;
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 local base64_decode = require "util.encodings".base64.decode;
11561
d2f33b8fdc96 util.jwt: Use constant-time comparison with expected signature
Matthew Wild <mwild1@gmail.com>
parents: 10660
diff changeset
7 local secure_equals = require "util.hashes".equals;
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 local b64url_rep = { ["+"] = "-", ["/"] = "_", ["="] = "", ["-"] = "+", ["_"] = "/" };
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 local function b64url(data)
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 return (s_gsub(base64_encode(data), "[+/=]", b64url_rep));
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 end
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local function unb64url(data)
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 return base64_decode(s_gsub(data, "[-_]", b64url_rep).."==");
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 end
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17 local jwt_pattern = "^(([A-Za-z0-9-_]+)%.([A-Za-z0-9-_]+))%.([A-Za-z0-9-_]+)$"
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
18 local function decode_jwt(blob, expected_alg)
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 local signed, bheader, bpayload, signature = string.match(blob, jwt_pattern);
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 if not signed then
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 return nil, "invalid-encoding";
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 end
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 local header = json.decode(unb64url(bheader));
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 if not header or type(header) ~= "table" then
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 return nil, "invalid-header";
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
26 elseif header.alg ~= expected_alg then
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 return nil, "unsupported-algorithm";
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 end
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
29 return signed, signature, bpayload;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
30 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
31
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
32 local function new_static_header(algorithm_name)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
33 return b64url('{"alg":"'..algorithm_name..'","typ":"JWT"}') .. '.';
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
34 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
35
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
36 -- HS*** family
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
37 local function new_hmac_algorithm(name, hmac)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
38 local static_header = new_static_header(name);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
39
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
40 local function sign(key, payload)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
41 local encoded_payload = json.encode(payload);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
42 local signed = static_header .. b64url(encoded_payload);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
43 local signature = hmac(key, signed);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
44 return signed .. "." .. b64url(signature);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
45 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
46
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
47 local function verify(key, blob)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
48 local signed, signature, raw_payload = decode_jwt(blob, name);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
49 if not signed then return nil, signature; end -- nil, err
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
50
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
51 if not secure_equals(b64url(hmac(key, signed)), signature) then
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
52 return false, "signature-mismatch";
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
53 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
54 local payload, err = json.decode(unb64url(raw_payload));
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
55 if err ~= nil then
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
56 return nil, "json-decode-error";
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
57 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
58 return true, payload;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
59 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
60
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
61 local function load_key(key)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
62 assert(type(key) == "string", "key must be string (long, random, secure)");
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
63 return key;
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 end
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
65
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
66 return { sign = sign, verify = verify, load_key = load_key };
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
67 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
68
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
69 local function new_crypto_algorithm(name, key_type, c_sign, c_verify, sig_encode, sig_decode)
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
70 local static_header = new_static_header(name);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
71
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
72 return {
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
73 sign = function (private_key, payload)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
74 local encoded_payload = json.encode(payload);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
75 local signed = static_header .. b64url(encoded_payload);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
76
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
77 local signature = c_sign(private_key, signed);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
78 if sig_encode then
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
79 signature = sig_encode(signature);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
80 end
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
81
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
82 return signed.."."..b64url(signature);
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
83 end;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
84
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
85 verify = function (public_key, blob)
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
86 local signed, signature, raw_payload = decode_jwt(blob, name);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
87 if not signed then return nil, signature; end -- nil, err
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
88
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
89 signature = unb64url(signature);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
90 if sig_decode and signature then
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
91 signature = sig_decode(signature);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
92 end
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
93 if not signature then
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
94 return false, "signature-mismatch";
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
95 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
96
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
97 local verify_ok = c_verify(public_key, signed, signature);
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
98 if not verify_ok then
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
99 return false, "signature-mismatch";
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
100 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
101
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
102 local payload, err = json.decode(unb64url(raw_payload));
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
103 if err ~= nil then
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
104 return nil, "json-decode-error";
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
105 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
106
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
107 return true, payload;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
108 end;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
109
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
110 load_public_key = function (public_key_pem)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
111 local key = assert(crypto.import_public_pem(public_key_pem));
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
112 assert(key:get_type() == key_type, "incorrect key type");
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
113 return key;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
114 end;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
115
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
116 load_private_key = function (private_key_pem)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
117 local key = assert(crypto.import_private_pem(private_key_pem));
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
118 assert(key:get_type() == key_type, "incorrect key type");
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
119 return key;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
120 end;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
121 };
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
122 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
123
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
124 -- RS***, PS***
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
125 local function new_rsa_algorithm(name, c_sign, c_verify)
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
126 return new_crypto_algorithm(name, "rsaEncryption", c_sign, c_verify);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
127 end
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
128
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
129 -- ES***
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
130 local function new_ecdsa_algorithm(name, c_sign, c_verify)
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
131 local function encode_ecdsa_sig(der_sig)
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
132 local r, s = crypto.parse_ecdsa_signature(der_sig);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
133 return r..s;
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
134 end
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
135
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
136 local function decode_ecdsa_sig(jwk_sig)
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
137 return crypto.build_ecdsa_signature(jwk_sig:sub(1, 32), jwk_sig:sub(33, 64));
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
138 end
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
139 return new_crypto_algorithm(name, "id-ecPublicKey", c_sign, c_verify, encode_ecdsa_sig, decode_ecdsa_sig);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
140 end
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
141
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
142 local algorithms = {
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
143 HS256 = new_hmac_algorithm("HS256", hashes.hmac_sha256);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
144 ES256 = new_ecdsa_algorithm("ES256", crypto.ecdsa_sha256_sign, crypto.ecdsa_sha256_verify);
12699
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
145 RS256 = new_rsa_algorithm("RS256", crypto.rsassa_pkcs1_256_sign, crypto.rsassa_pkcs1_256_verify);
b3d0c1457584 util.jwt: Add support for RSA-based algorithms (RS256, PS256)
Matthew Wild <mwild1@gmail.com>
parents: 12696
diff changeset
146 PS256 = new_rsa_algorithm("PS256", crypto.rsassa_pss_256_sign, crypto.rsassa_pss_256_verify);
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
147 };
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
148
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
149 local function new_signer(algorithm, key_input)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
150 local impl = assert(algorithms[algorithm], "Unknown JWT algorithm: "..algorithm);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
151 local key = (impl.load_private_key or impl.load_key)(key_input);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
152 local sign = impl.sign;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
153 return function (payload)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
154 return sign(key, payload);
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 end
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
156 end
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
157
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
158 local function new_verifier(algorithm, key_input)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
159 local impl = assert(algorithms[algorithm], "Unknown JWT algorithm: "..algorithm);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
160 local key = (impl.load_public_key or impl.load_key)(key_input);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
161 local verify = impl.verify;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
162 return function (token)
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
163 return verify(key, token);
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
164 end
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 end
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 return {
12696
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
168 new_signer = new_signer;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
169 new_verifier = new_verifier;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
170 -- Deprecated
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
171 sign = algorithms.HS256.sign;
27a72982e331 util.jwt: Add support/tests for ES256 via improved API and using util.crypto
Matthew Wild <mwild1@gmail.com>
parents: 11561
diff changeset
172 verify = algorithms.HS256.verify;
10660
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 };
c4ded3be7cc0 util.jwt: Basic JSON Web Token library supporting HS256 tokens
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174