@antbat/base-client-js
Version:
Base JS library for BASE-platform
349 lines • 16.6 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(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:
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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 };
}
};
var __values = (this && this.__values) || function (o) {
var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
if (m) return m.call(o);
return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
var CryptoUtils_1 = require("../CryptoUtils");
var KeyPair_1 = require("./KeyPair");
var Permissions_1 = require("./Permissions");
var JsonUtils_1 = require("../JsonUtils");
var AcceptedField_1 = require("./AcceptedField");
var bitcore = require('bitcore-lib');
var Message = require('bitcore-message');
var ECIES = require('bitcore-ecies');
var Mnemonic = require('bitcore-mnemonic');
var BitKeyPair = /** @class */ (function () {
function BitKeyPair(permissionsSource, siteDataSource, origin) {
this.isConfidential = false;
this.permissions = new Permissions_1.Permissions();
this.permissionsSource = permissionsSource;
this.siteDataSource = siteDataSource;
this.origin = origin;
}
BitKeyPair.prototype.createKeyPair = function (passPhrase) {
var _this = this;
return new Promise(function (resolve) {
var pbkdf2 = CryptoUtils_1.CryptoUtils.PBKDF2(passPhrase, 256);
var hash = bitcore.crypto.Hash.sha256(new bitcore.deps.Buffer(pbkdf2));
var bn = bitcore.crypto.BN.fromBuffer(hash);
_this.privateKey = new bitcore.PrivateKey(bn);
_this.publicKey = _this.privateKey.toPublicKey();
_this.addr = _this.privateKey.toAddress();
var privateKeyHex = _this.privateKey.toString(16);
var publicKeyHex = _this.publicKey.toString(16);
resolve(new KeyPair_1.KeyPair(privateKeyHex, publicKeyHex));
});
};
BitKeyPair.prototype.generateMnemonicPhrase = function () {
return new Promise(function (resolve) {
var mnemonic = new Mnemonic(Mnemonic.Words.ENGLISH).toString();
resolve(mnemonic);
});
};
BitKeyPair.prototype.signMessage = function (data) {
var _this = this;
return new Promise(function (resolve) {
var message = new Message(data);
resolve(message.sign(_this.privateKey));
});
};
BitKeyPair.prototype.checkSig = function (data, sig) {
var _this = this;
return new Promise(function (resolve) {
var result;
try {
result = Message(data).verify(_this.privateKey.toAddress(), sig);
}
catch (e) {
result = false;
}
resolve(result);
});
};
BitKeyPair.prototype.getPublicKey = function () {
return this.publicKey.toString(16);
};
BitKeyPair.prototype.getAddr = function () {
return this.addr.toString(16);
};
BitKeyPair.prototype.encryptMessage = function (recipientPk, message) {
var _this = this;
return new Promise(function (resolve) {
var ecies = new ECIES({ noKey: true })
.privateKey(_this.privateKey)
.publicKey(bitcore.PublicKey.fromString(recipientPk));
resolve(ecies.encrypt(message)
.toString('base64'));
});
};
BitKeyPair.prototype.encryptFields = function (fields) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.prepareData(fields, true)];
});
});
};
BitKeyPair.prototype.encryptPermissionsFields = function (recipient, data) {
return __awaiter(this, void 0, void 0, function () {
var e_1, _a, resultMap, pass, _b, _c, _d, key, value, e_1_1, jsonMap;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
resultMap = new Map();
if (!(data != null && data.size > 0)) return [3 /*break*/, 9];
pass = void 0;
return [4 /*yield*/, this.syncPermissions()];
case 1:
_e.sent();
_e.label = 2;
case 2:
_e.trys.push([2, 7, 8, 9]);
_b = __values(data.entries()), _c = _b.next();
_e.label = 3;
case 3:
if (!!_c.done) return [3 /*break*/, 6];
_d = __read(_c.value, 2), key = _d[0], value = _d[1];
if (!this.hasPermissions(key, false)) {
return [3 /*break*/, 5];
}
return [4 /*yield*/, this.generatePasswordForField(key.toLowerCase())];
case 4:
pass = _e.sent();
resultMap.set(key, new AcceptedField_1.AcceptedField(pass, value));
_e.label = 5;
case 5:
_c = _b.next();
return [3 /*break*/, 3];
case 6: return [3 /*break*/, 9];
case 7:
e_1_1 = _e.sent();
e_1 = { error: e_1_1 };
return [3 /*break*/, 9];
case 8:
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
return [7 /*endfinally*/];
case 9:
jsonMap = JsonUtils_1.JsonUtils.mapToJson(resultMap);
return [4 /*yield*/, this.encryptMessage(recipient, JSON.stringify(jsonMap))];
case 10: return [2 /*return*/, _e.sent()];
}
});
});
};
BitKeyPair.prototype.decryptMessage = function (senderPk, encrypted) {
return __awaiter(this, void 0, void 0, function () {
var ecies, result;
return __generator(this, function (_a) {
ecies = new ECIES({ noKey: true })
.privateKey(this.privateKey)
.publicKey(bitcore.PublicKey.fromString(senderPk));
result = ecies
.decrypt(new Buffer(encrypted, 'base64'))
.toString();
return [2 /*return*/, result];
});
});
};
BitKeyPair.prototype.decryptFields = function (fields) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.prepareData(fields, false)];
});
});
};
BitKeyPair.prototype.prepareData = function (data, encrypt) {
return __awaiter(this, void 0, void 0, function () {
var e_2, _a, result, pass, changedValue, _b, _c, _d, key, value, e_2_1;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
result = new Map();
return [4 /*yield*/, this.syncPermissions()];
case 1:
_e.sent();
_e.label = 2;
case 2:
_e.trys.push([2, 7, 8, 9]);
_b = __values(data.entries()), _c = _b.next();
_e.label = 3;
case 3:
if (!!_c.done) return [3 /*break*/, 6];
_d = __read(_c.value, 2), key = _d[0], value = _d[1];
if (!this.hasPermissions(key, !encrypt)) {
return [3 /*break*/, 5];
}
return [4 /*yield*/, this.generatePasswordForField(key)];
case 4:
pass = _e.sent();
if (pass != null && pass !== undefined && pass.length > 0) {
changedValue = encrypt
? CryptoUtils_1.CryptoUtils.encryptAes256(value, pass)
: CryptoUtils_1.CryptoUtils.decryptAes256(value, pass);
result.set(key.toLowerCase(), changedValue);
}
_e.label = 5;
case 5:
_c = _b.next();
return [3 /*break*/, 3];
case 6: return [3 /*break*/, 9];
case 7:
e_2_1 = _e.sent();
e_2 = { error: e_2_1 };
return [3 /*break*/, 9];
case 8:
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_2) throw e_2.error; }
return [7 /*endfinally*/];
case 9: return [2 /*return*/, result];
}
});
});
};
BitKeyPair.prototype.hasPermissions = function (field, read) {
if (this.isConfidential) {
return true;
}
var keyPermission = this.permissions.fields.get(field);
return read
? keyPermission === Permissions_1.AccessRight.R || keyPermission === Permissions_1.AccessRight.RW
: keyPermission === Permissions_1.AccessRight.RW;
};
BitKeyPair.prototype.syncPermissions = function () {
return __awaiter(this, void 0, void 0, function () {
var e_3, _a, site, requests, _loop_1, this_1, requests_1, requests_1_1, request, e_3_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!(!this.isConfidential && this.permissions.fields.size === 0)) return [3 /*break*/, 10];
return [4 /*yield*/, this.siteDataSource.getSiteData(this.origin)];
case 1:
site = _b.sent();
this.isConfidential = site.confidential;
if (!!site.confidential) return [3 /*break*/, 10];
return [4 /*yield*/, this.permissionsSource.getGrandAccessRecords(site.publicKey, this.getPublicKey())];
case 2:
requests = _b.sent();
_loop_1 = function (request) {
var strDecrypt, jsonDecrypt, resultMap, self_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this_1.decryptMessage(site.publicKey, request.responseData)];
case 1:
strDecrypt = _a.sent();
jsonDecrypt = JSON.parse(strDecrypt);
resultMap = JsonUtils_1.JsonUtils.jsonToMap(jsonDecrypt);
this_1.permissions.fields.clear();
self_1 = this_1;
resultMap.forEach(function (value, key) {
self_1.permissions.fields.set(key, value.access);
});
return [2 /*return*/];
}
});
};
this_1 = this;
_b.label = 3;
case 3:
_b.trys.push([3, 8, 9, 10]);
requests_1 = __values(requests), requests_1_1 = requests_1.next();
_b.label = 4;
case 4:
if (!!requests_1_1.done) return [3 /*break*/, 7];
request = requests_1_1.value;
return [5 /*yield**/, _loop_1(request)];
case 5:
_b.sent();
_b.label = 6;
case 6:
requests_1_1 = requests_1.next();
return [3 /*break*/, 4];
case 7: return [3 /*break*/, 10];
case 8:
e_3_1 = _b.sent();
e_3 = { error: e_3_1 };
return [3 /*break*/, 10];
case 9:
try {
if (requests_1_1 && !requests_1_1.done && (_a = requests_1.return)) _a.call(requests_1);
}
finally { if (e_3) throw e_3.error; }
return [7 /*endfinally*/];
case 10: return [2 /*return*/];
}
});
});
};
BitKeyPair.prototype.generatePasswordForField = function (fieldName) {
var _this = this;
return new Promise(function (resolve) {
var result = CryptoUtils_1.CryptoUtils.PBKDF2(CryptoUtils_1.CryptoUtils.keccak256(_this.privateKey.toString(16)) + fieldName.toLowerCase(), 384);
resolve(result);
});
};
return BitKeyPair;
}());
exports.BitKeyPair = BitKeyPair;
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