@did-kr-cg/whisper-connect
Version:
Whisper Connect is an easy and simple decentralized (without kind of a google cloud services) p2p connect solution. Desktop browser login via mobile app. or create transaction for smart contracts and send a signature and message via whisper too. and it ca
142 lines (141 loc) • 7.55 kB
JavaScript
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.subscribe = void 0;
var did_jwt_1 = require("did-jwt");
var did_resolver_1 = require("did-resolver");
var web3_utils_1 = require("web3-utils");
var Web3EthAbi = require('web3-eth-abi');
function shhc(did, parsed, resolver) {
return __awaiter(this, void 0, void 0, function () {
var fullId;
return __generator(this, function (_a) {
fullId = parsed.id.match(/^(.*)?(0x[0-9a-fA-F]{40})$/);
if (!fullId) {
throw new Error("Not a valid shhc DID: " + did);
}
return [2 /*return*/, {
'@context': 'https://w3id.org/did/v1',
id: did,
publicKey: [{
id: '',
controller: '',
type: 'Secp256k1VerificationKey2018',
ethereumAddress: parsed.id,
}],
}];
});
});
}
function subscribe(shh, account, abi, options, notification) {
if (notification === void 0) { notification = null; }
return __awaiter(this, void 0, void 0, function () {
var sym, sig, topic, nonce, jwt, decode, qr;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, shh.newSymKey()];
case 1:
sym = _a.sent();
return [4 /*yield*/, shh.newKeyPair()];
case 2:
sig = _a.sent();
topic = Web3EthAbi.encodeFunctionSignature(abi);
nonce = Math.floor(Math.random() * 1000000);
shh.subscribe('messages', { symKeyID: sym, topics: [topic] })
.on('data', function (data) { return __awaiter(_this, void 0, void 0, function () {
var resolver, decode_1, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!notification) return [3 /*break*/, 4];
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
resolver = new did_resolver_1.Resolver({ shhc: shhc });
return [4 /*yield*/, did_jwt_1.verifyJWT(web3_utils_1.hexToUtf8(data.payload), { resolver: resolver, audience: "did:shhc:" + account.address })];
case 2:
decode_1 = _a.sent();
notification(decode_1 && decode_1.payload && decode_1.payload.response && decode_1.payload.response.nonce === nonce ? decode_1.payload : null);
return [3 /*break*/, 4];
case 3:
error_1 = _a.sent();
notification(null);
return [3 /*break*/, 4];
case 4:
shh.clearSubscriptions();
return [2 /*return*/];
}
});
}); });
return [4 /*yield*/, did_jwt_1.createJWT({
aud: "did:shhc:" + account.address,
request: options.abiEnable ? {
ch: {
url: options.urlEnable ? shh.currentProvider.url : undefined,
sym: sym,
sig: sig,
topic: topic,
},
nonce: nonce,
abi: abi,
} : {
ch: {
url: options.urlEnable ? shh.currentProvider.url : undefined,
sym: sym,
sig: sig,
topic: topic,
},
nonce: nonce,
},
}, {
alg: 'ES256K',
issuer: "did:shhc:" + account.address,
signer: account.signer,
expiresIn: 120,
})];
case 3:
jwt = _a.sent();
decode = did_jwt_1.decodeJWT(jwt);
qr = { request: decode.payload.request, iss: decode.payload.iss };
return [2 /*return*/, { jwt: jwt, qr: qr }];
}
});
});
}
exports.subscribe = subscribe;