1 | var __extends = (this && this.__extends) || (function () {
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2 | var extendStatics = function (d, b) {
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3 | extendStatics = Object.setPrototypeOf ||
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4 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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5 | function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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6 | return extendStatics(d, b);
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7 | };
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8 | return function (d, b) {
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9 | if (typeof b !== "function" && b !== null)
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10 | throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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11 | extendStatics(d, b);
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12 | function __() { this.constructor = d; }
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13 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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14 | };
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15 | })();
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16 | var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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17 | function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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18 | return new (P || (P = Promise))(function (resolve, reject) {
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19 | function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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20 | function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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21 | function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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22 | step((generator = generator.apply(thisArg, _arguments || [])).next());
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23 | });
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24 | };
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25 | var __generator = (this && this.__generator) || function (thisArg, body) {
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26 | var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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27 | return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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28 | function verb(n) { return function (v) { return step([n, v]); }; }
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29 | function step(op) {
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30 | if (f) throw new TypeError("Generator is already executing.");
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31 | while (_) try {
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32 | 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;
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33 | if (y = 0, t) op = [op[0] & 2, t.value];
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34 | switch (op[0]) {
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35 | case 0: case 1: t = op; break;
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36 | case 4: _.label++; return { value: op[1], done: false };
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37 | case 5: _.label++; y = op[1]; op = [0]; continue;
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38 | case 7: op = _.ops.pop(); _.trys.pop(); continue;
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39 | default:
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40 | if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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41 | if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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42 | if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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43 | if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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44 | if (t[2]) _.ops.pop();
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45 | _.trys.pop(); continue;
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46 | }
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47 | op = body.call(thisArg, _);
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48 | } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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49 | if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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50 | }
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51 | };
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52 | import Transport from "@ledgerhq/hw-transport";
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53 | import hidFraming from "@ledgerhq/devices/lib/hid-framing";
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54 | import { identifyUSBProductId } from "@ledgerhq/devices";
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55 | import { log } from "@ledgerhq/logs";
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56 | import { TransportOpenUserCancelled, TransportInterfaceNotAvailable, TransportWebUSBGestureRequired, DisconnectedDeviceDuringOperation, DisconnectedDevice, } from "@ledgerhq/errors";
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57 | import { getLedgerDevices, getFirstLedgerDevice, requestLedgerDevice, isSupported, } from "./webusb";
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58 | var configurationValue = 1;
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59 | var endpointNumber = 3;
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60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 |
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67 | var TransportWebUSB = (function (_super) {
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68 | __extends(TransportWebUSB, _super);
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69 | function TransportWebUSB(device, interfaceNumber) {
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70 | var _this = _super.call(this) || this;
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71 | _this.channel = Math.floor(Math.random() * 0xffff);
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72 | _this.packetSize = 64;
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73 | _this._disconnectEmitted = false;
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74 | _this._emitDisconnect = function (e) {
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75 | if (_this._disconnectEmitted)
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76 | return;
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77 | _this._disconnectEmitted = true;
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78 | _this.emit("disconnect", e);
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79 | };
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80 | _this.device = device;
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81 | _this.interfaceNumber = interfaceNumber;
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82 | _this.deviceModel = identifyUSBProductId(device.productId);
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83 | return _this;
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84 | }
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85 | |
86 |
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87 |
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88 | TransportWebUSB.request = function () {
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89 | return __awaiter(this, void 0, void 0, function () {
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90 | var device;
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91 | return __generator(this, function (_a) {
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92 | switch (_a.label) {
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93 | case 0: return [4 , requestLedgerDevice()];
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94 | case 1:
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95 | device = _a.sent();
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96 | return [2 , TransportWebUSB.open(device)];
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97 | }
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98 | });
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99 | });
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100 | };
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101 | |
102 |
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103 |
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104 | TransportWebUSB.openConnected = function () {
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105 | return __awaiter(this, void 0, void 0, function () {
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106 | var devices;
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107 | return __generator(this, function (_a) {
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108 | switch (_a.label) {
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109 | case 0: return [4 , getLedgerDevices()];
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110 | case 1:
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111 | devices = _a.sent();
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112 | if (devices.length === 0)
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113 | return [2 , null];
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114 | return [2 , TransportWebUSB.open(devices[0])];
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115 | }
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116 | });
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117 | });
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118 | };
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119 | |
120 |
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121 |
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122 | TransportWebUSB.open = function (device) {
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123 | return __awaiter(this, void 0, void 0, function () {
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124 | var iface, interfaceNumber, e_1, transport, onDisconnect;
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125 | return __generator(this, function (_a) {
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126 | switch (_a.label) {
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127 | case 0: return [4 , device.open()];
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128 | case 1:
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129 | _a.sent();
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130 | if (!(device.configuration === null)) return [3 , 3];
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131 | return [4 , device.selectConfiguration(configurationValue)];
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132 | case 2:
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133 | _a.sent();
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134 | _a.label = 3;
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135 | case 3: return [4 , gracefullyResetDevice(device)];
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136 | case 4:
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137 | _a.sent();
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138 | iface = device.configurations[0].interfaces.find(function (_a) {
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139 | var alternates = _a.alternates;
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140 | return alternates.some(function (a) { return a.interfaceClass === 255; });
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141 | });
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142 | if (!iface) {
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143 | throw new TransportInterfaceNotAvailable("No WebUSB interface found for your Ledger device. Please upgrade firmware or contact techsupport.");
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144 | }
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145 | interfaceNumber = iface.interfaceNumber;
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146 | _a.label = 5;
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147 | case 5:
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148 | _a.trys.push([5, 7, , 9]);
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149 | return [4 , device.claimInterface(interfaceNumber)];
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150 | case 6:
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151 | _a.sent();
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152 | return [3 , 9];
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153 | case 7:
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154 | e_1 = _a.sent();
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155 | return [4 , device.close()];
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156 | case 8:
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157 | _a.sent();
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158 | throw new TransportInterfaceNotAvailable(e_1.message);
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159 | case 9:
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160 | transport = new TransportWebUSB(device, interfaceNumber);
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161 | onDisconnect = function (e) {
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162 | if (device === e.device) {
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163 |
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164 | navigator.usb.removeEventListener("disconnect", onDisconnect);
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165 | transport._emitDisconnect(new DisconnectedDevice());
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166 | }
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167 | };
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168 |
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169 | navigator.usb.addEventListener("disconnect", onDisconnect);
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170 | return [2 , transport];
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171 | }
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172 | });
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173 | });
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174 | };
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175 | |
176 |
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177 |
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178 | TransportWebUSB.prototype.close = function () {
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179 | return __awaiter(this, void 0, void 0, function () {
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180 | return __generator(this, function (_a) {
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181 | switch (_a.label) {
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182 | case 0: return [4 , this.exchangeBusyPromise];
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183 | case 1:
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184 | _a.sent();
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185 | return [4 , this.device.releaseInterface(this.interfaceNumber)];
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186 | case 2:
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187 | _a.sent();
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188 | return [4 , gracefullyResetDevice(this.device)];
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189 | case 3:
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190 | _a.sent();
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191 | return [4 , this.device.close()];
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192 | case 4:
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193 | _a.sent();
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194 | return [2 ];
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195 | }
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196 | });
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197 | });
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198 | };
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199 | |
200 |
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201 |
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202 |
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203 |
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204 | TransportWebUSB.prototype.exchange = function (apdu) {
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205 | return __awaiter(this, void 0, void 0, function () {
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206 | var b;
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207 | var _this = this;
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208 | return __generator(this, function (_a) {
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209 | switch (_a.label) {
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210 | case 0: return [4 , this.exchangeAtomicImpl(function () { return __awaiter(_this, void 0, void 0, function () {
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211 | var _a, channel, packetSize, framing, blocks, i, result, acc, r, buffer;
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212 | return __generator(this, function (_b) {
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213 | switch (_b.label) {
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214 | case 0:
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215 | _a = this, channel = _a.channel, packetSize = _a.packetSize;
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216 | log("apdu", "=> " + apdu.toString("hex"));
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217 | framing = hidFraming(channel, packetSize);
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218 | blocks = framing.makeBlocks(apdu);
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219 | i = 0;
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220 | _b.label = 1;
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221 | case 1:
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222 | if (!(i < blocks.length)) return [3 , 4];
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223 | return [4 , this.device.transferOut(endpointNumber, blocks[i])];
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224 | case 2:
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225 | _b.sent();
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226 | _b.label = 3;
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227 | case 3:
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228 | i++;
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229 | return [3 , 1];
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230 | case 4:
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231 | if (!!(result = framing.getReducedResult(acc))) return [3 , 6];
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232 | return [4 , this.device.transferIn(endpointNumber, packetSize)];
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233 | case 5:
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234 | r = _b.sent();
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235 | buffer = Buffer.from(r.data.buffer);
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236 | acc = framing.reduceResponse(acc, buffer);
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237 | return [3 , 4];
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238 | case 6:
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239 | log("apdu", "<= " + result.toString("hex"));
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240 | return [2 , result];
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241 | }
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242 | });
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243 | }); })["catch"](function (e) {
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244 | if (e && e.message && e.message.includes("disconnected")) {
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245 | _this._emitDisconnect(e);
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246 | throw new DisconnectedDeviceDuringOperation(e.message);
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247 | }
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248 | throw e;
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249 | })];
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250 | case 1:
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251 | b = _a.sent();
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252 | return [2 , b];
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253 | }
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254 | });
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255 | });
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256 | };
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257 | TransportWebUSB.prototype.setScrambleKey = function () { };
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258 | |
259 |
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260 |
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261 | TransportWebUSB.isSupported = isSupported;
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262 | |
263 |
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264 |
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265 | TransportWebUSB.list = getLedgerDevices;
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266 | |
267 |
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268 |
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269 |
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270 |
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271 |
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272 | TransportWebUSB.listen = function (observer) {
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273 | var unsubscribed = false;
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274 | getFirstLedgerDevice().then(function (device) {
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275 | if (!unsubscribed) {
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276 | var deviceModel = identifyUSBProductId(device.productId);
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277 | observer.next({
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278 | type: "add",
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279 | descriptor: device,
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280 | deviceModel: deviceModel
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281 | });
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282 | observer.complete();
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283 | }
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284 | }, function (error) {
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285 | if (window.DOMException &&
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286 | error instanceof window.DOMException &&
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287 | error.code === 18) {
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288 | observer.error(new TransportWebUSBGestureRequired(error.message));
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289 | }
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290 | else {
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291 | observer.error(new TransportOpenUserCancelled(error.message));
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292 | }
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293 | });
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294 | function unsubscribe() {
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295 | unsubscribed = true;
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296 | }
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297 | return {
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298 | unsubscribe: unsubscribe
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299 | };
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300 | };
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301 | return TransportWebUSB;
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302 | }(Transport));
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303 | export default TransportWebUSB;
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304 | function gracefullyResetDevice(device) {
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305 | return __awaiter(this, void 0, void 0, function () {
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306 | var err_1;
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307 | return __generator(this, function (_a) {
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308 | switch (_a.label) {
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309 | case 0:
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310 | _a.trys.push([0, 2, , 3]);
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311 | return [4 , device.reset()];
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312 | case 1:
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313 | _a.sent();
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314 | return [3 , 3];
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315 | case 2:
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316 | err_1 = _a.sent();
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317 | console.warn(err_1);
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318 | return [3 , 3];
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319 | case 3: return [2 ];
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320 | }
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321 | });
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322 | });
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323 | }
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324 |
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