4317 lines
122 KiB
JavaScript
4317 lines
122 KiB
JavaScript
"use strict";
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let ethers = {};
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const w = window;
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if (w._ethers == null) {
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console.log("WARNING: @ethersproject/hardware-wallet requires ethers loaded first");
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}
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else {
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ethers = w._ethers;
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}
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const version = "hardware-wallets/5.0.2";
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var global$1 = (typeof global !== "undefined" ? global :
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typeof self !== "undefined" ? self :
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typeof window !== "undefined" ? window : {});
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var lookup = [];
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var revLookup = [];
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var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
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var inited = false;
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function init () {
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inited = true;
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var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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for (var i = 0, len = code.length; i < len; ++i) {
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lookup[i] = code[i];
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revLookup[code.charCodeAt(i)] = i;
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}
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revLookup['-'.charCodeAt(0)] = 62;
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revLookup['_'.charCodeAt(0)] = 63;
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}
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function toByteArray (b64) {
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if (!inited) {
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init();
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}
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var i, j, l, tmp, placeHolders, arr;
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var len = b64.length;
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if (len % 4 > 0) {
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throw new Error('Invalid string. Length must be a multiple of 4')
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}
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// the number of equal signs (place holders)
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// if there are two placeholders, than the two characters before it
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// represent one byte
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// if there is only one, then the three characters before it represent 2 bytes
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// this is just a cheap hack to not do indexOf twice
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placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0;
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// base64 is 4/3 + up to two characters of the original data
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arr = new Arr(len * 3 / 4 - placeHolders);
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// if there are placeholders, only get up to the last complete 4 chars
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l = placeHolders > 0 ? len - 4 : len;
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var L = 0;
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for (i = 0, j = 0; i < l; i += 4, j += 3) {
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tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)];
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arr[L++] = (tmp >> 16) & 0xFF;
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arr[L++] = (tmp >> 8) & 0xFF;
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arr[L++] = tmp & 0xFF;
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}
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if (placeHolders === 2) {
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tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4);
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arr[L++] = tmp & 0xFF;
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} else if (placeHolders === 1) {
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tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2);
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arr[L++] = (tmp >> 8) & 0xFF;
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arr[L++] = tmp & 0xFF;
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}
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return arr
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}
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function tripletToBase64 (num) {
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return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
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}
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function encodeChunk (uint8, start, end) {
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var tmp;
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var output = [];
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for (var i = start; i < end; i += 3) {
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tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
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output.push(tripletToBase64(tmp));
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}
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return output.join('')
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}
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function fromByteArray (uint8) {
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if (!inited) {
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init();
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}
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var tmp;
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var len = uint8.length;
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var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
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var output = '';
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var parts = [];
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var maxChunkLength = 16383; // must be multiple of 3
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// go through the array every three bytes, we'll deal with trailing stuff later
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for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
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parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)));
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}
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// pad the end with zeros, but make sure to not forget the extra bytes
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if (extraBytes === 1) {
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tmp = uint8[len - 1];
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output += lookup[tmp >> 2];
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output += lookup[(tmp << 4) & 0x3F];
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output += '==';
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} else if (extraBytes === 2) {
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tmp = (uint8[len - 2] << 8) + (uint8[len - 1]);
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output += lookup[tmp >> 10];
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output += lookup[(tmp >> 4) & 0x3F];
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output += lookup[(tmp << 2) & 0x3F];
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output += '=';
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}
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parts.push(output);
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return parts.join('')
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}
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function read (buffer, offset, isLE, mLen, nBytes) {
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var e, m;
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var eLen = nBytes * 8 - mLen - 1;
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var eMax = (1 << eLen) - 1;
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var eBias = eMax >> 1;
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var nBits = -7;
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var i = isLE ? (nBytes - 1) : 0;
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var d = isLE ? -1 : 1;
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var s = buffer[offset + i];
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i += d;
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e = s & ((1 << (-nBits)) - 1);
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s >>= (-nBits);
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nBits += eLen;
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for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
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m = e & ((1 << (-nBits)) - 1);
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e >>= (-nBits);
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nBits += mLen;
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for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
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if (e === 0) {
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e = 1 - eBias;
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} else if (e === eMax) {
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return m ? NaN : ((s ? -1 : 1) * Infinity)
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} else {
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m = m + Math.pow(2, mLen);
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e = e - eBias;
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}
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return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
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}
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function write (buffer, value, offset, isLE, mLen, nBytes) {
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var e, m, c;
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var eLen = nBytes * 8 - mLen - 1;
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var eMax = (1 << eLen) - 1;
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var eBias = eMax >> 1;
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var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0);
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var i = isLE ? 0 : (nBytes - 1);
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var d = isLE ? 1 : -1;
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var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
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value = Math.abs(value);
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if (isNaN(value) || value === Infinity) {
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m = isNaN(value) ? 1 : 0;
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e = eMax;
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} else {
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e = Math.floor(Math.log(value) / Math.LN2);
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if (value * (c = Math.pow(2, -e)) < 1) {
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e--;
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c *= 2;
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}
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if (e + eBias >= 1) {
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value += rt / c;
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} else {
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value += rt * Math.pow(2, 1 - eBias);
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}
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if (value * c >= 2) {
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e++;
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c /= 2;
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}
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if (e + eBias >= eMax) {
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m = 0;
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e = eMax;
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} else if (e + eBias >= 1) {
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m = (value * c - 1) * Math.pow(2, mLen);
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e = e + eBias;
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} else {
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m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
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e = 0;
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}
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}
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for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
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e = (e << mLen) | m;
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eLen += mLen;
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for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
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buffer[offset + i - d] |= s * 128;
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}
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var toString = {}.toString;
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var isArray = Array.isArray || function (arr) {
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return toString.call(arr) == '[object Array]';
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};
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var INSPECT_MAX_BYTES = 50;
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/**
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* If `Buffer.TYPED_ARRAY_SUPPORT`:
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* === true Use Uint8Array implementation (fastest)
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* === false Use Object implementation (most compatible, even IE6)
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*
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* Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
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* Opera 11.6+, iOS 4.2+.
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*
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* Due to various browser bugs, sometimes the Object implementation will be used even
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* when the browser supports typed arrays.
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*
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* Note:
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*
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* - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
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* See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
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*
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* - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
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*
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* - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
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* incorrect length in some situations.
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* We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
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* get the Object implementation, which is slower but behaves correctly.
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*/
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Buffer.TYPED_ARRAY_SUPPORT = global$1.TYPED_ARRAY_SUPPORT !== undefined
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? global$1.TYPED_ARRAY_SUPPORT
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: true;
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/*
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* Export kMaxLength after typed array support is determined.
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*/
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var _kMaxLength = kMaxLength();
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function typedArraySupport () {
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return true;
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// rollup issues
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// try {
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// var arr = new Uint8Array(1)
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// arr.__proto__ = {
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// __proto__: Uint8Array.prototype,
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// foo: function () { return 42 }
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// }
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// return arr.foo() === 42 && // typed array instances can be augmented
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// typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
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// arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
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// } catch (e) {
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// return false
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// }
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}
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function kMaxLength () {
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return Buffer.TYPED_ARRAY_SUPPORT
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? 0x7fffffff
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: 0x3fffffff
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}
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function createBuffer (that, length) {
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if (kMaxLength() < length) {
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throw new RangeError('Invalid typed array length')
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}
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if (Buffer.TYPED_ARRAY_SUPPORT) {
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// Return an augmented `Uint8Array` instance, for best performance
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that = new Uint8Array(length);
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that.__proto__ = Buffer.prototype;
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} else {
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// Fallback: Return an object instance of the Buffer class
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if (that === null) {
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that = new Buffer(length);
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}
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that.length = length;
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}
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return that
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}
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/**
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* The Buffer constructor returns instances of `Uint8Array` that have their
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* prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
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* `Uint8Array`, so the returned instances will have all the node `Buffer` methods
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* and the `Uint8Array` methods. Square bracket notation works as expected -- it
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* returns a single octet.
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*
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* The `Uint8Array` prototype remains unmodified.
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*/
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function Buffer (arg, encodingOrOffset, length) {
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if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
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return new Buffer(arg, encodingOrOffset, length)
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}
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// Common case.
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if (typeof arg === 'number') {
|
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if (typeof encodingOrOffset === 'string') {
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throw new Error(
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'If encoding is specified then the first argument must be a string'
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)
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}
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return allocUnsafe(this, arg)
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}
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return from(this, arg, encodingOrOffset, length)
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}
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Buffer.poolSize = 8192; // not used by this implementation
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// TODO: Legacy, not needed anymore. Remove in next major version.
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Buffer._augment = function (arr) {
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arr.__proto__ = Buffer.prototype;
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return arr
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};
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function from (that, value, encodingOrOffset, length) {
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if (typeof value === 'number') {
|
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throw new TypeError('"value" argument must not be a number')
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}
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if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
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return fromArrayBuffer(that, value, encodingOrOffset, length)
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}
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if (typeof value === 'string') {
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return fromString(that, value, encodingOrOffset)
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}
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return fromObject(that, value)
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}
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/**
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* Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
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* if value is a number.
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* Buffer.from(str[, encoding])
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* Buffer.from(array)
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* Buffer.from(buffer)
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* Buffer.from(arrayBuffer[, byteOffset[, length]])
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**/
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Buffer.from = function (value, encodingOrOffset, length) {
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return from(null, value, encodingOrOffset, length)
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};
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if (Buffer.TYPED_ARRAY_SUPPORT) {
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Buffer.prototype.__proto__ = Uint8Array.prototype;
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Buffer.__proto__ = Uint8Array;
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if (typeof Symbol !== 'undefined' && Symbol.species &&
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Buffer[Symbol.species] === Buffer) {
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// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
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// Object.defineProperty(Buffer, Symbol.species, {
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// value: null,
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// configurable: true
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// })
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}
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}
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function assertSize (size) {
|
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if (typeof size !== 'number') {
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throw new TypeError('"size" argument must be a number')
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} else if (size < 0) {
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throw new RangeError('"size" argument must not be negative')
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}
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}
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function alloc (that, size, fill, encoding) {
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assertSize(size);
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if (size <= 0) {
|
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return createBuffer(that, size)
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}
|
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if (fill !== undefined) {
|
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// Only pay attention to encoding if it's a string. This
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// prevents accidentally sending in a number that would
|
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// be interpretted as a start offset.
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return typeof encoding === 'string'
|
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? createBuffer(that, size).fill(fill, encoding)
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: createBuffer(that, size).fill(fill)
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}
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return createBuffer(that, size)
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}
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/**
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* Creates a new filled Buffer instance.
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* alloc(size[, fill[, encoding]])
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**/
|
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Buffer.alloc = function (size, fill, encoding) {
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return alloc(null, size, fill, encoding)
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};
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function allocUnsafe (that, size) {
|
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assertSize(size);
|
|
that = createBuffer(that, size < 0 ? 0 : checked(size) | 0);
|
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if (!Buffer.TYPED_ARRAY_SUPPORT) {
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for (var i = 0; i < size; ++i) {
|
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that[i] = 0;
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|
}
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|
}
|
|
return that
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|
}
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|
|
/**
|
|
* Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
|
|
* */
|
|
Buffer.allocUnsafe = function (size) {
|
|
return allocUnsafe(null, size)
|
|
};
|
|
/**
|
|
* Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
|
|
*/
|
|
Buffer.allocUnsafeSlow = function (size) {
|
|
return allocUnsafe(null, size)
|
|
};
|
|
|
|
function fromString (that, string, encoding) {
|
|
if (typeof encoding !== 'string' || encoding === '') {
|
|
encoding = 'utf8';
|
|
}
|
|
|
|
if (!Buffer.isEncoding(encoding)) {
|
|
throw new TypeError('"encoding" must be a valid string encoding')
|
|
}
|
|
|
|
var length = byteLength(string, encoding) | 0;
|
|
that = createBuffer(that, length);
|
|
|
|
var actual = that.write(string, encoding);
|
|
|
|
if (actual !== length) {
|
|
// Writing a hex string, for example, that contains invalid characters will
|
|
// cause everything after the first invalid character to be ignored. (e.g.
|
|
// 'abxxcd' will be treated as 'ab')
|
|
that = that.slice(0, actual);
|
|
}
|
|
|
|
return that
|
|
}
|
|
|
|
function fromArrayLike (that, array) {
|
|
var length = array.length < 0 ? 0 : checked(array.length) | 0;
|
|
that = createBuffer(that, length);
|
|
for (var i = 0; i < length; i += 1) {
|
|
that[i] = array[i] & 255;
|
|
}
|
|
return that
|
|
}
|
|
|
|
function fromArrayBuffer (that, array, byteOffset, length) {
|
|
array.byteLength; // this throws if `array` is not a valid ArrayBuffer
|
|
|
|
if (byteOffset < 0 || array.byteLength < byteOffset) {
|
|
throw new RangeError('\'offset\' is out of bounds')
|
|
}
|
|
|
|
if (array.byteLength < byteOffset + (length || 0)) {
|
|
throw new RangeError('\'length\' is out of bounds')
|
|
}
|
|
|
|
if (byteOffset === undefined && length === undefined) {
|
|
array = new Uint8Array(array);
|
|
} else if (length === undefined) {
|
|
array = new Uint8Array(array, byteOffset);
|
|
} else {
|
|
array = new Uint8Array(array, byteOffset, length);
|
|
}
|
|
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
// Return an augmented `Uint8Array` instance, for best performance
|
|
that = array;
|
|
that.__proto__ = Buffer.prototype;
|
|
} else {
|
|
// Fallback: Return an object instance of the Buffer class
|
|
that = fromArrayLike(that, array);
|
|
}
|
|
return that
|
|
}
|
|
|
|
function fromObject (that, obj) {
|
|
if (internalIsBuffer(obj)) {
|
|
var len = checked(obj.length) | 0;
|
|
that = createBuffer(that, len);
|
|
|
|
if (that.length === 0) {
|
|
return that
|
|
}
|
|
|
|
obj.copy(that, 0, 0, len);
|
|
return that
|
|
}
|
|
|
|
if (obj) {
|
|
if ((typeof ArrayBuffer !== 'undefined' &&
|
|
obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
|
|
if (typeof obj.length !== 'number' || isnan(obj.length)) {
|
|
return createBuffer(that, 0)
|
|
}
|
|
return fromArrayLike(that, obj)
|
|
}
|
|
|
|
if (obj.type === 'Buffer' && isArray(obj.data)) {
|
|
return fromArrayLike(that, obj.data)
|
|
}
|
|
}
|
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|
|
throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
|
|
}
|
|
|
|
function checked (length) {
|
|
// Note: cannot use `length < kMaxLength()` here because that fails when
|
|
// length is NaN (which is otherwise coerced to zero.)
|
|
if (length >= kMaxLength()) {
|
|
throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
|
|
'size: 0x' + kMaxLength().toString(16) + ' bytes')
|
|
}
|
|
return length | 0
|
|
}
|
|
|
|
function SlowBuffer (length) {
|
|
if (+length != length) { // eslint-disable-line eqeqeq
|
|
length = 0;
|
|
}
|
|
return Buffer.alloc(+length)
|
|
}
|
|
Buffer.isBuffer = isBuffer;
|
|
function internalIsBuffer (b) {
|
|
return !!(b != null && b._isBuffer)
|
|
}
|
|
|
|
Buffer.compare = function compare (a, b) {
|
|
if (!internalIsBuffer(a) || !internalIsBuffer(b)) {
|
|
throw new TypeError('Arguments must be Buffers')
|
|
}
|
|
|
|
if (a === b) return 0
|
|
|
|
var x = a.length;
|
|
var y = b.length;
|
|
|
|
for (var i = 0, len = Math.min(x, y); i < len; ++i) {
|
|
if (a[i] !== b[i]) {
|
|
x = a[i];
|
|
y = b[i];
|
|
break
|
|
}
|
|
}
|
|
|
|
if (x < y) return -1
|
|
if (y < x) return 1
|
|
return 0
|
|
};
|
|
|
|
Buffer.isEncoding = function isEncoding (encoding) {
|
|
switch (String(encoding).toLowerCase()) {
|
|
case 'hex':
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
case 'ascii':
|
|
case 'latin1':
|
|
case 'binary':
|
|
case 'base64':
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
};
|
|
|
|
Buffer.concat = function concat (list, length) {
|
|
if (!isArray(list)) {
|
|
throw new TypeError('"list" argument must be an Array of Buffers')
|
|
}
|
|
|
|
if (list.length === 0) {
|
|
return Buffer.alloc(0)
|
|
}
|
|
|
|
var i;
|
|
if (length === undefined) {
|
|
length = 0;
|
|
for (i = 0; i < list.length; ++i) {
|
|
length += list[i].length;
|
|
}
|
|
}
|
|
|
|
var buffer = Buffer.allocUnsafe(length);
|
|
var pos = 0;
|
|
for (i = 0; i < list.length; ++i) {
|
|
var buf = list[i];
|
|
if (!internalIsBuffer(buf)) {
|
|
throw new TypeError('"list" argument must be an Array of Buffers')
|
|
}
|
|
buf.copy(buffer, pos);
|
|
pos += buf.length;
|
|
}
|
|
return buffer
|
|
};
|
|
|
|
function byteLength (string, encoding) {
|
|
if (internalIsBuffer(string)) {
|
|
return string.length
|
|
}
|
|
if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
|
|
(ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
|
|
return string.byteLength
|
|
}
|
|
if (typeof string !== 'string') {
|
|
string = '' + string;
|
|
}
|
|
|
|
var len = string.length;
|
|
if (len === 0) return 0
|
|
|
|
// Use a for loop to avoid recursion
|
|
var loweredCase = false;
|
|
for (;;) {
|
|
switch (encoding) {
|
|
case 'ascii':
|
|
case 'latin1':
|
|
case 'binary':
|
|
return len
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
case undefined:
|
|
return utf8ToBytes(string).length
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return len * 2
|
|
case 'hex':
|
|
return len >>> 1
|
|
case 'base64':
|
|
return base64ToBytes(string).length
|
|
default:
|
|
if (loweredCase) return utf8ToBytes(string).length // assume utf8
|
|
encoding = ('' + encoding).toLowerCase();
|
|
loweredCase = true;
|
|
}
|
|
}
|
|
}
|
|
Buffer.byteLength = byteLength;
|
|
|
|
function slowToString (encoding, start, end) {
|
|
var loweredCase = false;
|
|
|
|
// No need to verify that "this.length <= MAX_UINT32" since it's a read-only
|
|
// property of a typed array.
|
|
|
|
// This behaves neither like String nor Uint8Array in that we set start/end
|
|
// to their upper/lower bounds if the value passed is out of range.
|
|
// undefined is handled specially as per ECMA-262 6th Edition,
|
|
// Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
|
|
if (start === undefined || start < 0) {
|
|
start = 0;
|
|
}
|
|
// Return early if start > this.length. Done here to prevent potential uint32
|
|
// coercion fail below.
|
|
if (start > this.length) {
|
|
return ''
|
|
}
|
|
|
|
if (end === undefined || end > this.length) {
|
|
end = this.length;
|
|
}
|
|
|
|
if (end <= 0) {
|
|
return ''
|
|
}
|
|
|
|
// Force coersion to uint32. This will also coerce falsey/NaN values to 0.
|
|
end >>>= 0;
|
|
start >>>= 0;
|
|
|
|
if (end <= start) {
|
|
return ''
|
|
}
|
|
|
|
if (!encoding) encoding = 'utf8';
|
|
|
|
while (true) {
|
|
switch (encoding) {
|
|
case 'hex':
|
|
return hexSlice(this, start, end)
|
|
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
return utf8Slice(this, start, end)
|
|
|
|
case 'ascii':
|
|
return asciiSlice(this, start, end)
|
|
|
|
case 'latin1':
|
|
case 'binary':
|
|
return latin1Slice(this, start, end)
|
|
|
|
case 'base64':
|
|
return base64Slice(this, start, end)
|
|
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return utf16leSlice(this, start, end)
|
|
|
|
default:
|
|
if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
|
|
encoding = (encoding + '').toLowerCase();
|
|
loweredCase = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
|
|
// Buffer instances.
|
|
Buffer.prototype._isBuffer = true;
|
|
|
|
function swap (b, n, m) {
|
|
var i = b[n];
|
|
b[n] = b[m];
|
|
b[m] = i;
|
|
}
|
|
|
|
Buffer.prototype.swap16 = function swap16 () {
|
|
var len = this.length;
|
|
if (len % 2 !== 0) {
|
|
throw new RangeError('Buffer size must be a multiple of 16-bits')
|
|
}
|
|
for (var i = 0; i < len; i += 2) {
|
|
swap(this, i, i + 1);
|
|
}
|
|
return this
|
|
};
|
|
|
|
Buffer.prototype.swap32 = function swap32 () {
|
|
var len = this.length;
|
|
if (len % 4 !== 0) {
|
|
throw new RangeError('Buffer size must be a multiple of 32-bits')
|
|
}
|
|
for (var i = 0; i < len; i += 4) {
|
|
swap(this, i, i + 3);
|
|
swap(this, i + 1, i + 2);
|
|
}
|
|
return this
|
|
};
|
|
|
|
Buffer.prototype.swap64 = function swap64 () {
|
|
var len = this.length;
|
|
if (len % 8 !== 0) {
|
|
throw new RangeError('Buffer size must be a multiple of 64-bits')
|
|
}
|
|
for (var i = 0; i < len; i += 8) {
|
|
swap(this, i, i + 7);
|
|
swap(this, i + 1, i + 6);
|
|
swap(this, i + 2, i + 5);
|
|
swap(this, i + 3, i + 4);
|
|
}
|
|
return this
|
|
};
|
|
|
|
Buffer.prototype.toString = function toString () {
|
|
var length = this.length | 0;
|
|
if (length === 0) return ''
|
|
if (arguments.length === 0) return utf8Slice(this, 0, length)
|
|
return slowToString.apply(this, arguments)
|
|
};
|
|
|
|
Buffer.prototype.equals = function equals (b) {
|
|
if (!internalIsBuffer(b)) throw new TypeError('Argument must be a Buffer')
|
|
if (this === b) return true
|
|
return Buffer.compare(this, b) === 0
|
|
};
|
|
|
|
Buffer.prototype.inspect = function inspect () {
|
|
var str = '';
|
|
var max = INSPECT_MAX_BYTES;
|
|
if (this.length > 0) {
|
|
str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
|
|
if (this.length > max) str += ' ... ';
|
|
}
|
|
return '<Buffer ' + str + '>'
|
|
};
|
|
|
|
Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
|
|
if (!internalIsBuffer(target)) {
|
|
throw new TypeError('Argument must be a Buffer')
|
|
}
|
|
|
|
if (start === undefined) {
|
|
start = 0;
|
|
}
|
|
if (end === undefined) {
|
|
end = target ? target.length : 0;
|
|
}
|
|
if (thisStart === undefined) {
|
|
thisStart = 0;
|
|
}
|
|
if (thisEnd === undefined) {
|
|
thisEnd = this.length;
|
|
}
|
|
|
|
if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
|
|
throw new RangeError('out of range index')
|
|
}
|
|
|
|
if (thisStart >= thisEnd && start >= end) {
|
|
return 0
|
|
}
|
|
if (thisStart >= thisEnd) {
|
|
return -1
|
|
}
|
|
if (start >= end) {
|
|
return 1
|
|
}
|
|
|
|
start >>>= 0;
|
|
end >>>= 0;
|
|
thisStart >>>= 0;
|
|
thisEnd >>>= 0;
|
|
|
|
if (this === target) return 0
|
|
|
|
var x = thisEnd - thisStart;
|
|
var y = end - start;
|
|
var len = Math.min(x, y);
|
|
|
|
var thisCopy = this.slice(thisStart, thisEnd);
|
|
var targetCopy = target.slice(start, end);
|
|
|
|
for (var i = 0; i < len; ++i) {
|
|
if (thisCopy[i] !== targetCopy[i]) {
|
|
x = thisCopy[i];
|
|
y = targetCopy[i];
|
|
break
|
|
}
|
|
}
|
|
|
|
if (x < y) return -1
|
|
if (y < x) return 1
|
|
return 0
|
|
};
|
|
|
|
// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
|
|
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
|
|
//
|
|
// Arguments:
|
|
// - buffer - a Buffer to search
|
|
// - val - a string, Buffer, or number
|
|
// - byteOffset - an index into `buffer`; will be clamped to an int32
|
|
// - encoding - an optional encoding, relevant is val is a string
|
|
// - dir - true for indexOf, false for lastIndexOf
|
|
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
|
|
// Empty buffer means no match
|
|
if (buffer.length === 0) return -1
|
|
|
|
// Normalize byteOffset
|
|
if (typeof byteOffset === 'string') {
|
|
encoding = byteOffset;
|
|
byteOffset = 0;
|
|
} else if (byteOffset > 0x7fffffff) {
|
|
byteOffset = 0x7fffffff;
|
|
} else if (byteOffset < -0x80000000) {
|
|
byteOffset = -0x80000000;
|
|
}
|
|
byteOffset = +byteOffset; // Coerce to Number.
|
|
if (isNaN(byteOffset)) {
|
|
// byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
|
|
byteOffset = dir ? 0 : (buffer.length - 1);
|
|
}
|
|
|
|
// Normalize byteOffset: negative offsets start from the end of the buffer
|
|
if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
|
|
if (byteOffset >= buffer.length) {
|
|
if (dir) return -1
|
|
else byteOffset = buffer.length - 1;
|
|
} else if (byteOffset < 0) {
|
|
if (dir) byteOffset = 0;
|
|
else return -1
|
|
}
|
|
|
|
// Normalize val
|
|
if (typeof val === 'string') {
|
|
val = Buffer.from(val, encoding);
|
|
}
|
|
|
|
// Finally, search either indexOf (if dir is true) or lastIndexOf
|
|
if (internalIsBuffer(val)) {
|
|
// Special case: looking for empty string/buffer always fails
|
|
if (val.length === 0) {
|
|
return -1
|
|
}
|
|
return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
|
|
} else if (typeof val === 'number') {
|
|
val = val & 0xFF; // Search for a byte value [0-255]
|
|
if (Buffer.TYPED_ARRAY_SUPPORT &&
|
|
typeof Uint8Array.prototype.indexOf === 'function') {
|
|
if (dir) {
|
|
return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
|
|
} else {
|
|
return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
|
|
}
|
|
}
|
|
return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
|
|
}
|
|
|
|
throw new TypeError('val must be string, number or Buffer')
|
|
}
|
|
|
|
function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
|
|
var indexSize = 1;
|
|
var arrLength = arr.length;
|
|
var valLength = val.length;
|
|
|
|
if (encoding !== undefined) {
|
|
encoding = String(encoding).toLowerCase();
|
|
if (encoding === 'ucs2' || encoding === 'ucs-2' ||
|
|
encoding === 'utf16le' || encoding === 'utf-16le') {
|
|
if (arr.length < 2 || val.length < 2) {
|
|
return -1
|
|
}
|
|
indexSize = 2;
|
|
arrLength /= 2;
|
|
valLength /= 2;
|
|
byteOffset /= 2;
|
|
}
|
|
}
|
|
|
|
function read (buf, i) {
|
|
if (indexSize === 1) {
|
|
return buf[i]
|
|
} else {
|
|
return buf.readUInt16BE(i * indexSize)
|
|
}
|
|
}
|
|
|
|
var i;
|
|
if (dir) {
|
|
var foundIndex = -1;
|
|
for (i = byteOffset; i < arrLength; i++) {
|
|
if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
|
|
if (foundIndex === -1) foundIndex = i;
|
|
if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
|
|
} else {
|
|
if (foundIndex !== -1) i -= i - foundIndex;
|
|
foundIndex = -1;
|
|
}
|
|
}
|
|
} else {
|
|
if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
|
|
for (i = byteOffset; i >= 0; i--) {
|
|
var found = true;
|
|
for (var j = 0; j < valLength; j++) {
|
|
if (read(arr, i + j) !== read(val, j)) {
|
|
found = false;
|
|
break
|
|
}
|
|
}
|
|
if (found) return i
|
|
}
|
|
}
|
|
|
|
return -1
|
|
}
|
|
|
|
Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
|
|
return this.indexOf(val, byteOffset, encoding) !== -1
|
|
};
|
|
|
|
Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
|
|
return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
|
|
};
|
|
|
|
Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
|
|
return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
|
|
};
|
|
|
|
function hexWrite (buf, string, offset, length) {
|
|
offset = Number(offset) || 0;
|
|
var remaining = buf.length - offset;
|
|
if (!length) {
|
|
length = remaining;
|
|
} else {
|
|
length = Number(length);
|
|
if (length > remaining) {
|
|
length = remaining;
|
|
}
|
|
}
|
|
|
|
// must be an even number of digits
|
|
var strLen = string.length;
|
|
if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
|
|
|
|
if (length > strLen / 2) {
|
|
length = strLen / 2;
|
|
}
|
|
for (var i = 0; i < length; ++i) {
|
|
var parsed = parseInt(string.substr(i * 2, 2), 16);
|
|
if (isNaN(parsed)) return i
|
|
buf[offset + i] = parsed;
|
|
}
|
|
return i
|
|
}
|
|
|
|
function utf8Write (buf, string, offset, length) {
|
|
return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
|
|
}
|
|
|
|
function asciiWrite (buf, string, offset, length) {
|
|
return blitBuffer(asciiToBytes(string), buf, offset, length)
|
|
}
|
|
|
|
function latin1Write (buf, string, offset, length) {
|
|
return asciiWrite(buf, string, offset, length)
|
|
}
|
|
|
|
function base64Write (buf, string, offset, length) {
|
|
return blitBuffer(base64ToBytes(string), buf, offset, length)
|
|
}
|
|
|
|
function ucs2Write (buf, string, offset, length) {
|
|
return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
|
|
}
|
|
|
|
Buffer.prototype.write = function write (string, offset, length, encoding) {
|
|
// Buffer#write(string)
|
|
if (offset === undefined) {
|
|
encoding = 'utf8';
|
|
length = this.length;
|
|
offset = 0;
|
|
// Buffer#write(string, encoding)
|
|
} else if (length === undefined && typeof offset === 'string') {
|
|
encoding = offset;
|
|
length = this.length;
|
|
offset = 0;
|
|
// Buffer#write(string, offset[, length][, encoding])
|
|
} else if (isFinite(offset)) {
|
|
offset = offset | 0;
|
|
if (isFinite(length)) {
|
|
length = length | 0;
|
|
if (encoding === undefined) encoding = 'utf8';
|
|
} else {
|
|
encoding = length;
|
|
length = undefined;
|
|
}
|
|
// legacy write(string, encoding, offset, length) - remove in v0.13
|
|
} else {
|
|
throw new Error(
|
|
'Buffer.write(string, encoding, offset[, length]) is no longer supported'
|
|
)
|
|
}
|
|
|
|
var remaining = this.length - offset;
|
|
if (length === undefined || length > remaining) length = remaining;
|
|
|
|
if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
|
|
throw new RangeError('Attempt to write outside buffer bounds')
|
|
}
|
|
|
|
if (!encoding) encoding = 'utf8';
|
|
|
|
var loweredCase = false;
|
|
for (;;) {
|
|
switch (encoding) {
|
|
case 'hex':
|
|
return hexWrite(this, string, offset, length)
|
|
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
return utf8Write(this, string, offset, length)
|
|
|
|
case 'ascii':
|
|
return asciiWrite(this, string, offset, length)
|
|
|
|
case 'latin1':
|
|
case 'binary':
|
|
return latin1Write(this, string, offset, length)
|
|
|
|
case 'base64':
|
|
// Warning: maxLength not taken into account in base64Write
|
|
return base64Write(this, string, offset, length)
|
|
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return ucs2Write(this, string, offset, length)
|
|
|
|
default:
|
|
if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
|
|
encoding = ('' + encoding).toLowerCase();
|
|
loweredCase = true;
|
|
}
|
|
}
|
|
};
|
|
|
|
Buffer.prototype.toJSON = function toJSON () {
|
|
return {
|
|
type: 'Buffer',
|
|
data: Array.prototype.slice.call(this._arr || this, 0)
|
|
}
|
|
};
|
|
|
|
function base64Slice (buf, start, end) {
|
|
if (start === 0 && end === buf.length) {
|
|
return fromByteArray(buf)
|
|
} else {
|
|
return fromByteArray(buf.slice(start, end))
|
|
}
|
|
}
|
|
|
|
function utf8Slice (buf, start, end) {
|
|
end = Math.min(buf.length, end);
|
|
var res = [];
|
|
|
|
var i = start;
|
|
while (i < end) {
|
|
var firstByte = buf[i];
|
|
var codePoint = null;
|
|
var bytesPerSequence = (firstByte > 0xEF) ? 4
|
|
: (firstByte > 0xDF) ? 3
|
|
: (firstByte > 0xBF) ? 2
|
|
: 1;
|
|
|
|
if (i + bytesPerSequence <= end) {
|
|
var secondByte, thirdByte, fourthByte, tempCodePoint;
|
|
|
|
switch (bytesPerSequence) {
|
|
case 1:
|
|
if (firstByte < 0x80) {
|
|
codePoint = firstByte;
|
|
}
|
|
break
|
|
case 2:
|
|
secondByte = buf[i + 1];
|
|
if ((secondByte & 0xC0) === 0x80) {
|
|
tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F);
|
|
if (tempCodePoint > 0x7F) {
|
|
codePoint = tempCodePoint;
|
|
}
|
|
}
|
|
break
|
|
case 3:
|
|
secondByte = buf[i + 1];
|
|
thirdByte = buf[i + 2];
|
|
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
|
|
tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F);
|
|
if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
|
|
codePoint = tempCodePoint;
|
|
}
|
|
}
|
|
break
|
|
case 4:
|
|
secondByte = buf[i + 1];
|
|
thirdByte = buf[i + 2];
|
|
fourthByte = buf[i + 3];
|
|
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
|
|
tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F);
|
|
if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
|
|
codePoint = tempCodePoint;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (codePoint === null) {
|
|
// we did not generate a valid codePoint so insert a
|
|
// replacement char (U+FFFD) and advance only 1 byte
|
|
codePoint = 0xFFFD;
|
|
bytesPerSequence = 1;
|
|
} else if (codePoint > 0xFFFF) {
|
|
// encode to utf16 (surrogate pair dance)
|
|
codePoint -= 0x10000;
|
|
res.push(codePoint >>> 10 & 0x3FF | 0xD800);
|
|
codePoint = 0xDC00 | codePoint & 0x3FF;
|
|
}
|
|
|
|
res.push(codePoint);
|
|
i += bytesPerSequence;
|
|
}
|
|
|
|
return decodeCodePointsArray(res)
|
|
}
|
|
|
|
// Based on http://stackoverflow.com/a/22747272/680742, the browser with
|
|
// the lowest limit is Chrome, with 0x10000 args.
|
|
// We go 1 magnitude less, for safety
|
|
var MAX_ARGUMENTS_LENGTH = 0x1000;
|
|
|
|
function decodeCodePointsArray (codePoints) {
|
|
var len = codePoints.length;
|
|
if (len <= MAX_ARGUMENTS_LENGTH) {
|
|
return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
|
|
}
|
|
|
|
// Decode in chunks to avoid "call stack size exceeded".
|
|
var res = '';
|
|
var i = 0;
|
|
while (i < len) {
|
|
res += String.fromCharCode.apply(
|
|
String,
|
|
codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
|
|
);
|
|
}
|
|
return res
|
|
}
|
|
|
|
function asciiSlice (buf, start, end) {
|
|
var ret = '';
|
|
end = Math.min(buf.length, end);
|
|
|
|
for (var i = start; i < end; ++i) {
|
|
ret += String.fromCharCode(buf[i] & 0x7F);
|
|
}
|
|
return ret
|
|
}
|
|
|
|
function latin1Slice (buf, start, end) {
|
|
var ret = '';
|
|
end = Math.min(buf.length, end);
|
|
|
|
for (var i = start; i < end; ++i) {
|
|
ret += String.fromCharCode(buf[i]);
|
|
}
|
|
return ret
|
|
}
|
|
|
|
function hexSlice (buf, start, end) {
|
|
var len = buf.length;
|
|
|
|
if (!start || start < 0) start = 0;
|
|
if (!end || end < 0 || end > len) end = len;
|
|
|
|
var out = '';
|
|
for (var i = start; i < end; ++i) {
|
|
out += toHex(buf[i]);
|
|
}
|
|
return out
|
|
}
|
|
|
|
function utf16leSlice (buf, start, end) {
|
|
var bytes = buf.slice(start, end);
|
|
var res = '';
|
|
for (var i = 0; i < bytes.length; i += 2) {
|
|
res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
|
|
}
|
|
return res
|
|
}
|
|
|
|
Buffer.prototype.slice = function slice (start, end) {
|
|
var len = this.length;
|
|
start = ~~start;
|
|
end = end === undefined ? len : ~~end;
|
|
|
|
if (start < 0) {
|
|
start += len;
|
|
if (start < 0) start = 0;
|
|
} else if (start > len) {
|
|
start = len;
|
|
}
|
|
|
|
if (end < 0) {
|
|
end += len;
|
|
if (end < 0) end = 0;
|
|
} else if (end > len) {
|
|
end = len;
|
|
}
|
|
|
|
if (end < start) end = start;
|
|
|
|
var newBuf;
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
newBuf = this.subarray(start, end);
|
|
newBuf.__proto__ = Buffer.prototype;
|
|
} else {
|
|
var sliceLen = end - start;
|
|
newBuf = new Buffer(sliceLen, undefined);
|
|
for (var i = 0; i < sliceLen; ++i) {
|
|
newBuf[i] = this[i + start];
|
|
}
|
|
}
|
|
|
|
return newBuf
|
|
};
|
|
|
|
/*
|
|
* Need to make sure that buffer isn't trying to write out of bounds.
|
|
*/
|
|
function checkOffset (offset, ext, length) {
|
|
if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
|
|
if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
|
|
}
|
|
|
|
Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
|
|
offset = offset | 0;
|
|
byteLength = byteLength | 0;
|
|
if (!noAssert) checkOffset(offset, byteLength, this.length);
|
|
|
|
var val = this[offset];
|
|
var mul = 1;
|
|
var i = 0;
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
val += this[offset + i] * mul;
|
|
}
|
|
|
|
return val
|
|
};
|
|
|
|
Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
|
|
offset = offset | 0;
|
|
byteLength = byteLength | 0;
|
|
if (!noAssert) {
|
|
checkOffset(offset, byteLength, this.length);
|
|
}
|
|
|
|
var val = this[offset + --byteLength];
|
|
var mul = 1;
|
|
while (byteLength > 0 && (mul *= 0x100)) {
|
|
val += this[offset + --byteLength] * mul;
|
|
}
|
|
|
|
return val
|
|
};
|
|
|
|
Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 1, this.length);
|
|
return this[offset]
|
|
};
|
|
|
|
Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length);
|
|
return this[offset] | (this[offset + 1] << 8)
|
|
};
|
|
|
|
Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length);
|
|
return (this[offset] << 8) | this[offset + 1]
|
|
};
|
|
|
|
Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length);
|
|
|
|
return ((this[offset]) |
|
|
(this[offset + 1] << 8) |
|
|
(this[offset + 2] << 16)) +
|
|
(this[offset + 3] * 0x1000000)
|
|
};
|
|
|
|
Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length);
|
|
|
|
return (this[offset] * 0x1000000) +
|
|
((this[offset + 1] << 16) |
|
|
(this[offset + 2] << 8) |
|
|
this[offset + 3])
|
|
};
|
|
|
|
Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
|
|
offset = offset | 0;
|
|
byteLength = byteLength | 0;
|
|
if (!noAssert) checkOffset(offset, byteLength, this.length);
|
|
|
|
var val = this[offset];
|
|
var mul = 1;
|
|
var i = 0;
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
val += this[offset + i] * mul;
|
|
}
|
|
mul *= 0x80;
|
|
|
|
if (val >= mul) val -= Math.pow(2, 8 * byteLength);
|
|
|
|
return val
|
|
};
|
|
|
|
Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
|
|
offset = offset | 0;
|
|
byteLength = byteLength | 0;
|
|
if (!noAssert) checkOffset(offset, byteLength, this.length);
|
|
|
|
var i = byteLength;
|
|
var mul = 1;
|
|
var val = this[offset + --i];
|
|
while (i > 0 && (mul *= 0x100)) {
|
|
val += this[offset + --i] * mul;
|
|
}
|
|
mul *= 0x80;
|
|
|
|
if (val >= mul) val -= Math.pow(2, 8 * byteLength);
|
|
|
|
return val
|
|
};
|
|
|
|
Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 1, this.length);
|
|
if (!(this[offset] & 0x80)) return (this[offset])
|
|
return ((0xff - this[offset] + 1) * -1)
|
|
};
|
|
|
|
Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length);
|
|
var val = this[offset] | (this[offset + 1] << 8);
|
|
return (val & 0x8000) ? val | 0xFFFF0000 : val
|
|
};
|
|
|
|
Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length);
|
|
var val = this[offset + 1] | (this[offset] << 8);
|
|
return (val & 0x8000) ? val | 0xFFFF0000 : val
|
|
};
|
|
|
|
Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length);
|
|
|
|
return (this[offset]) |
|
|
(this[offset + 1] << 8) |
|
|
(this[offset + 2] << 16) |
|
|
(this[offset + 3] << 24)
|
|
};
|
|
|
|
Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length);
|
|
|
|
return (this[offset] << 24) |
|
|
(this[offset + 1] << 16) |
|
|
(this[offset + 2] << 8) |
|
|
(this[offset + 3])
|
|
};
|
|
|
|
Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length);
|
|
return read(this, offset, true, 23, 4)
|
|
};
|
|
|
|
Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length);
|
|
return read(this, offset, false, 23, 4)
|
|
};
|
|
|
|
Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 8, this.length);
|
|
return read(this, offset, true, 52, 8)
|
|
};
|
|
|
|
Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 8, this.length);
|
|
return read(this, offset, false, 52, 8)
|
|
};
|
|
|
|
function checkInt (buf, value, offset, ext, max, min) {
|
|
if (!internalIsBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
|
|
if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
|
|
if (offset + ext > buf.length) throw new RangeError('Index out of range')
|
|
}
|
|
|
|
Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
byteLength = byteLength | 0;
|
|
if (!noAssert) {
|
|
var maxBytes = Math.pow(2, 8 * byteLength) - 1;
|
|
checkInt(this, value, offset, byteLength, maxBytes, 0);
|
|
}
|
|
|
|
var mul = 1;
|
|
var i = 0;
|
|
this[offset] = value & 0xFF;
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
this[offset + i] = (value / mul) & 0xFF;
|
|
}
|
|
|
|
return offset + byteLength
|
|
};
|
|
|
|
Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
byteLength = byteLength | 0;
|
|
if (!noAssert) {
|
|
var maxBytes = Math.pow(2, 8 * byteLength) - 1;
|
|
checkInt(this, value, offset, byteLength, maxBytes, 0);
|
|
}
|
|
|
|
var i = byteLength - 1;
|
|
var mul = 1;
|
|
this[offset + i] = value & 0xFF;
|
|
while (--i >= 0 && (mul *= 0x100)) {
|
|
this[offset + i] = (value / mul) & 0xFF;
|
|
}
|
|
|
|
return offset + byteLength
|
|
};
|
|
|
|
Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
|
|
if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
|
|
this[offset] = (value & 0xff);
|
|
return offset + 1
|
|
};
|
|
|
|
function objectWriteUInt16 (buf, value, offset, littleEndian) {
|
|
if (value < 0) value = 0xffff + value + 1;
|
|
for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
|
|
buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
|
|
(littleEndian ? i : 1 - i) * 8;
|
|
}
|
|
}
|
|
|
|
Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value & 0xff);
|
|
this[offset + 1] = (value >>> 8);
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, true);
|
|
}
|
|
return offset + 2
|
|
};
|
|
|
|
Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 8);
|
|
this[offset + 1] = (value & 0xff);
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, false);
|
|
}
|
|
return offset + 2
|
|
};
|
|
|
|
function objectWriteUInt32 (buf, value, offset, littleEndian) {
|
|
if (value < 0) value = 0xffffffff + value + 1;
|
|
for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
|
|
buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff;
|
|
}
|
|
}
|
|
|
|
Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset + 3] = (value >>> 24);
|
|
this[offset + 2] = (value >>> 16);
|
|
this[offset + 1] = (value >>> 8);
|
|
this[offset] = (value & 0xff);
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, true);
|
|
}
|
|
return offset + 4
|
|
};
|
|
|
|
Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 24);
|
|
this[offset + 1] = (value >>> 16);
|
|
this[offset + 2] = (value >>> 8);
|
|
this[offset + 3] = (value & 0xff);
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, false);
|
|
}
|
|
return offset + 4
|
|
};
|
|
|
|
Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) {
|
|
var limit = Math.pow(2, 8 * byteLength - 1);
|
|
|
|
checkInt(this, value, offset, byteLength, limit - 1, -limit);
|
|
}
|
|
|
|
var i = 0;
|
|
var mul = 1;
|
|
var sub = 0;
|
|
this[offset] = value & 0xFF;
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
|
|
sub = 1;
|
|
}
|
|
this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
|
|
}
|
|
|
|
return offset + byteLength
|
|
};
|
|
|
|
Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) {
|
|
var limit = Math.pow(2, 8 * byteLength - 1);
|
|
|
|
checkInt(this, value, offset, byteLength, limit - 1, -limit);
|
|
}
|
|
|
|
var i = byteLength - 1;
|
|
var mul = 1;
|
|
var sub = 0;
|
|
this[offset + i] = value & 0xFF;
|
|
while (--i >= 0 && (mul *= 0x100)) {
|
|
if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
|
|
sub = 1;
|
|
}
|
|
this[offset + i] = ((value / mul) >> 0) - sub & 0xFF;
|
|
}
|
|
|
|
return offset + byteLength
|
|
};
|
|
|
|
Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
|
|
if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
|
|
if (value < 0) value = 0xff + value + 1;
|
|
this[offset] = (value & 0xff);
|
|
return offset + 1
|
|
};
|
|
|
|
Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value & 0xff);
|
|
this[offset + 1] = (value >>> 8);
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, true);
|
|
}
|
|
return offset + 2
|
|
};
|
|
|
|
Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 8);
|
|
this[offset + 1] = (value & 0xff);
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, false);
|
|
}
|
|
return offset + 2
|
|
};
|
|
|
|
Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value & 0xff);
|
|
this[offset + 1] = (value >>> 8);
|
|
this[offset + 2] = (value >>> 16);
|
|
this[offset + 3] = (value >>> 24);
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, true);
|
|
}
|
|
return offset + 4
|
|
};
|
|
|
|
Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
|
|
value = +value;
|
|
offset = offset | 0;
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
|
|
if (value < 0) value = 0xffffffff + value + 1;
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 24);
|
|
this[offset + 1] = (value >>> 16);
|
|
this[offset + 2] = (value >>> 8);
|
|
this[offset + 3] = (value & 0xff);
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, false);
|
|
}
|
|
return offset + 4
|
|
};
|
|
|
|
function checkIEEE754 (buf, value, offset, ext, max, min) {
|
|
if (offset + ext > buf.length) throw new RangeError('Index out of range')
|
|
if (offset < 0) throw new RangeError('Index out of range')
|
|
}
|
|
|
|
function writeFloat (buf, value, offset, littleEndian, noAssert) {
|
|
if (!noAssert) {
|
|
checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38);
|
|
}
|
|
write(buf, value, offset, littleEndian, 23, 4);
|
|
return offset + 4
|
|
}
|
|
|
|
Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
|
|
return writeFloat(this, value, offset, true, noAssert)
|
|
};
|
|
|
|
Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
|
|
return writeFloat(this, value, offset, false, noAssert)
|
|
};
|
|
|
|
function writeDouble (buf, value, offset, littleEndian, noAssert) {
|
|
if (!noAssert) {
|
|
checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308);
|
|
}
|
|
write(buf, value, offset, littleEndian, 52, 8);
|
|
return offset + 8
|
|
}
|
|
|
|
Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
|
|
return writeDouble(this, value, offset, true, noAssert)
|
|
};
|
|
|
|
Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
|
|
return writeDouble(this, value, offset, false, noAssert)
|
|
};
|
|
|
|
// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
|
|
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
|
|
if (!start) start = 0;
|
|
if (!end && end !== 0) end = this.length;
|
|
if (targetStart >= target.length) targetStart = target.length;
|
|
if (!targetStart) targetStart = 0;
|
|
if (end > 0 && end < start) end = start;
|
|
|
|
// Copy 0 bytes; we're done
|
|
if (end === start) return 0
|
|
if (target.length === 0 || this.length === 0) return 0
|
|
|
|
// Fatal error conditions
|
|
if (targetStart < 0) {
|
|
throw new RangeError('targetStart out of bounds')
|
|
}
|
|
if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
|
|
if (end < 0) throw new RangeError('sourceEnd out of bounds')
|
|
|
|
// Are we oob?
|
|
if (end > this.length) end = this.length;
|
|
if (target.length - targetStart < end - start) {
|
|
end = target.length - targetStart + start;
|
|
}
|
|
|
|
var len = end - start;
|
|
var i;
|
|
|
|
if (this === target && start < targetStart && targetStart < end) {
|
|
// descending copy from end
|
|
for (i = len - 1; i >= 0; --i) {
|
|
target[i + targetStart] = this[i + start];
|
|
}
|
|
} else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
|
|
// ascending copy from start
|
|
for (i = 0; i < len; ++i) {
|
|
target[i + targetStart] = this[i + start];
|
|
}
|
|
} else {
|
|
Uint8Array.prototype.set.call(
|
|
target,
|
|
this.subarray(start, start + len),
|
|
targetStart
|
|
);
|
|
}
|
|
|
|
return len
|
|
};
|
|
|
|
// Usage:
|
|
// buffer.fill(number[, offset[, end]])
|
|
// buffer.fill(buffer[, offset[, end]])
|
|
// buffer.fill(string[, offset[, end]][, encoding])
|
|
Buffer.prototype.fill = function fill (val, start, end, encoding) {
|
|
// Handle string cases:
|
|
if (typeof val === 'string') {
|
|
if (typeof start === 'string') {
|
|
encoding = start;
|
|
start = 0;
|
|
end = this.length;
|
|
} else if (typeof end === 'string') {
|
|
encoding = end;
|
|
end = this.length;
|
|
}
|
|
if (val.length === 1) {
|
|
var code = val.charCodeAt(0);
|
|
if (code < 256) {
|
|
val = code;
|
|
}
|
|
}
|
|
if (encoding !== undefined && typeof encoding !== 'string') {
|
|
throw new TypeError('encoding must be a string')
|
|
}
|
|
if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
|
|
throw new TypeError('Unknown encoding: ' + encoding)
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
val = val & 255;
|
|
}
|
|
|
|
// Invalid ranges are not set to a default, so can range check early.
|
|
if (start < 0 || this.length < start || this.length < end) {
|
|
throw new RangeError('Out of range index')
|
|
}
|
|
|
|
if (end <= start) {
|
|
return this
|
|
}
|
|
|
|
start = start >>> 0;
|
|
end = end === undefined ? this.length : end >>> 0;
|
|
|
|
if (!val) val = 0;
|
|
|
|
var i;
|
|
if (typeof val === 'number') {
|
|
for (i = start; i < end; ++i) {
|
|
this[i] = val;
|
|
}
|
|
} else {
|
|
var bytes = internalIsBuffer(val)
|
|
? val
|
|
: utf8ToBytes(new Buffer(val, encoding).toString());
|
|
var len = bytes.length;
|
|
for (i = 0; i < end - start; ++i) {
|
|
this[i + start] = bytes[i % len];
|
|
}
|
|
}
|
|
|
|
return this
|
|
};
|
|
|
|
// HELPER FUNCTIONS
|
|
// ================
|
|
|
|
var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g;
|
|
|
|
function base64clean (str) {
|
|
// Node strips out invalid characters like \n and \t from the string, base64-js does not
|
|
str = stringtrim(str).replace(INVALID_BASE64_RE, '');
|
|
// Node converts strings with length < 2 to ''
|
|
if (str.length < 2) return ''
|
|
// Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
|
|
while (str.length % 4 !== 0) {
|
|
str = str + '=';
|
|
}
|
|
return str
|
|
}
|
|
|
|
function stringtrim (str) {
|
|
if (str.trim) return str.trim()
|
|
return str.replace(/^\s+|\s+$/g, '')
|
|
}
|
|
|
|
function toHex (n) {
|
|
if (n < 16) return '0' + n.toString(16)
|
|
return n.toString(16)
|
|
}
|
|
|
|
function utf8ToBytes (string, units) {
|
|
units = units || Infinity;
|
|
var codePoint;
|
|
var length = string.length;
|
|
var leadSurrogate = null;
|
|
var bytes = [];
|
|
|
|
for (var i = 0; i < length; ++i) {
|
|
codePoint = string.charCodeAt(i);
|
|
|
|
// is surrogate component
|
|
if (codePoint > 0xD7FF && codePoint < 0xE000) {
|
|
// last char was a lead
|
|
if (!leadSurrogate) {
|
|
// no lead yet
|
|
if (codePoint > 0xDBFF) {
|
|
// unexpected trail
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
|
|
continue
|
|
} else if (i + 1 === length) {
|
|
// unpaired lead
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
|
|
continue
|
|
}
|
|
|
|
// valid lead
|
|
leadSurrogate = codePoint;
|
|
|
|
continue
|
|
}
|
|
|
|
// 2 leads in a row
|
|
if (codePoint < 0xDC00) {
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
|
|
leadSurrogate = codePoint;
|
|
continue
|
|
}
|
|
|
|
// valid surrogate pair
|
|
codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
|
|
} else if (leadSurrogate) {
|
|
// valid bmp char, but last char was a lead
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
|
|
}
|
|
|
|
leadSurrogate = null;
|
|
|
|
// encode utf8
|
|
if (codePoint < 0x80) {
|
|
if ((units -= 1) < 0) break
|
|
bytes.push(codePoint);
|
|
} else if (codePoint < 0x800) {
|
|
if ((units -= 2) < 0) break
|
|
bytes.push(
|
|
codePoint >> 0x6 | 0xC0,
|
|
codePoint & 0x3F | 0x80
|
|
);
|
|
} else if (codePoint < 0x10000) {
|
|
if ((units -= 3) < 0) break
|
|
bytes.push(
|
|
codePoint >> 0xC | 0xE0,
|
|
codePoint >> 0x6 & 0x3F | 0x80,
|
|
codePoint & 0x3F | 0x80
|
|
);
|
|
} else if (codePoint < 0x110000) {
|
|
if ((units -= 4) < 0) break
|
|
bytes.push(
|
|
codePoint >> 0x12 | 0xF0,
|
|
codePoint >> 0xC & 0x3F | 0x80,
|
|
codePoint >> 0x6 & 0x3F | 0x80,
|
|
codePoint & 0x3F | 0x80
|
|
);
|
|
} else {
|
|
throw new Error('Invalid code point')
|
|
}
|
|
}
|
|
|
|
return bytes
|
|
}
|
|
|
|
function asciiToBytes (str) {
|
|
var byteArray = [];
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Node's code seems to be doing this and not & 0x7F..
|
|
byteArray.push(str.charCodeAt(i) & 0xFF);
|
|
}
|
|
return byteArray
|
|
}
|
|
|
|
function utf16leToBytes (str, units) {
|
|
var c, hi, lo;
|
|
var byteArray = [];
|
|
for (var i = 0; i < str.length; ++i) {
|
|
if ((units -= 2) < 0) break
|
|
|
|
c = str.charCodeAt(i);
|
|
hi = c >> 8;
|
|
lo = c % 256;
|
|
byteArray.push(lo);
|
|
byteArray.push(hi);
|
|
}
|
|
|
|
return byteArray
|
|
}
|
|
|
|
|
|
function base64ToBytes (str) {
|
|
return toByteArray(base64clean(str))
|
|
}
|
|
|
|
function blitBuffer (src, dst, offset, length) {
|
|
for (var i = 0; i < length; ++i) {
|
|
if ((i + offset >= dst.length) || (i >= src.length)) break
|
|
dst[i + offset] = src[i];
|
|
}
|
|
return i
|
|
}
|
|
|
|
function isnan (val) {
|
|
return val !== val // eslint-disable-line no-self-compare
|
|
}
|
|
|
|
|
|
// the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
|
|
// The _isBuffer check is for Safari 5-7 support, because it's missing
|
|
// Object.prototype.constructor. Remove this eventually
|
|
function isBuffer(obj) {
|
|
return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj))
|
|
}
|
|
|
|
function isFastBuffer (obj) {
|
|
return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
|
|
}
|
|
|
|
// For Node v0.10 support. Remove this eventually.
|
|
function isSlowBuffer (obj) {
|
|
return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer(obj.slice(0, 0))
|
|
}
|
|
|
|
/********************************************************************************
|
|
* Ledger Node JS API
|
|
* (c) 2016-2017 Ledger
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
********************************************************************************/
|
|
function defer() {
|
|
let resolve, reject;
|
|
let promise = new Promise(function (success, failure) {
|
|
resolve = success;
|
|
reject = failure;
|
|
});
|
|
if (!resolve || !reject) throw "defer() error"; // this never happens and is just to make flow happy
|
|
|
|
return {
|
|
promise,
|
|
resolve,
|
|
reject
|
|
};
|
|
} // TODO use bip32-path library
|
|
|
|
function splitPath(path) {
|
|
let result = [];
|
|
let components = path.split("/");
|
|
components.forEach(element => {
|
|
let number = parseInt(element, 10);
|
|
|
|
if (isNaN(number)) {
|
|
return; // FIXME shouldn't it throws instead?
|
|
}
|
|
|
|
if (element.length > 1 && element[element.length - 1] === "'") {
|
|
number += 0x80000000;
|
|
}
|
|
|
|
result.push(number);
|
|
});
|
|
return result;
|
|
} // TODO use async await
|
|
|
|
function eachSeries(arr, fun) {
|
|
return arr.reduce((p, e) => p.then(() => fun(e)), Promise.resolve());
|
|
}
|
|
function foreach(arr, callback) {
|
|
function iterate(index, array, result) {
|
|
if (index >= array.length) {
|
|
return result;
|
|
} else return callback(array[index], index).then(function (res) {
|
|
result.push(res);
|
|
return iterate(index + 1, array, result);
|
|
});
|
|
}
|
|
|
|
return Promise.resolve().then(() => iterate(0, arr, []));
|
|
}
|
|
function doIf(condition, callback) {
|
|
return Promise.resolve().then(() => {
|
|
if (condition) {
|
|
return callback();
|
|
}
|
|
});
|
|
}
|
|
function asyncWhile(predicate, callback) {
|
|
function iterate(result) {
|
|
if (!predicate()) {
|
|
return result;
|
|
} else {
|
|
return callback().then(res => {
|
|
result.push(res);
|
|
return iterate(result);
|
|
});
|
|
}
|
|
}
|
|
|
|
return Promise.resolve([]).then(iterate);
|
|
}
|
|
|
|
/* eslint-disable no-continue */
|
|
/* eslint-disable no-param-reassign */
|
|
/* eslint-disable no-prototype-builtins */
|
|
var errorClasses = {};
|
|
var deserializers = {};
|
|
var addCustomErrorDeserializer = function (name, deserializer) {
|
|
deserializers[name] = deserializer;
|
|
};
|
|
var createCustomErrorClass = function (name) {
|
|
var C = function CustomError(message, fields) {
|
|
Object.assign(this, fields);
|
|
this.name = name;
|
|
this.message = message || name;
|
|
this.stack = new Error().stack;
|
|
};
|
|
C.prototype = new Error();
|
|
errorClasses[name] = C;
|
|
return C;
|
|
};
|
|
// inspired from https://github.com/programble/errio/blob/master/index.js
|
|
var deserializeError = function (object) {
|
|
if (typeof object === "object" && object) {
|
|
try {
|
|
// $FlowFixMe FIXME HACK
|
|
var msg = JSON.parse(object.message);
|
|
if (msg.message && msg.name) {
|
|
object = msg;
|
|
}
|
|
}
|
|
catch (e) {
|
|
// nothing
|
|
}
|
|
var error = void 0;
|
|
if (typeof object.name === "string") {
|
|
var name_1 = object.name;
|
|
var des = deserializers[name_1];
|
|
if (des) {
|
|
error = des(object);
|
|
}
|
|
else {
|
|
var constructor = name_1 === "Error" ? Error : errorClasses[name_1];
|
|
if (!constructor) {
|
|
console.warn("deserializing an unknown class '" + name_1 + "'");
|
|
constructor = createCustomErrorClass(name_1);
|
|
}
|
|
error = Object.create(constructor.prototype);
|
|
try {
|
|
for (var prop in object) {
|
|
if (object.hasOwnProperty(prop)) {
|
|
error[prop] = object[prop];
|
|
}
|
|
}
|
|
}
|
|
catch (e) {
|
|
// sometimes setting a property can fail (e.g. .name)
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
error = new Error(object.message);
|
|
}
|
|
if (!error.stack && Error.captureStackTrace) {
|
|
Error.captureStackTrace(error, deserializeError);
|
|
}
|
|
return error;
|
|
}
|
|
return new Error(String(object));
|
|
};
|
|
// inspired from https://github.com/sindresorhus/serialize-error/blob/master/index.js
|
|
var serializeError = function (value) {
|
|
if (!value)
|
|
return value;
|
|
if (typeof value === "object") {
|
|
return destroyCircular(value, []);
|
|
}
|
|
if (typeof value === "function") {
|
|
return "[Function: " + (value.name || "anonymous") + "]";
|
|
}
|
|
return value;
|
|
};
|
|
// https://www.npmjs.com/package/destroy-circular
|
|
function destroyCircular(from, seen) {
|
|
var to = {};
|
|
seen.push(from);
|
|
for (var _i = 0, _a = Object.keys(from); _i < _a.length; _i++) {
|
|
var key = _a[_i];
|
|
var value = from[key];
|
|
if (typeof value === "function") {
|
|
continue;
|
|
}
|
|
if (!value || typeof value !== "object") {
|
|
to[key] = value;
|
|
continue;
|
|
}
|
|
if (seen.indexOf(from[key]) === -1) {
|
|
to[key] = destroyCircular(from[key], seen.slice(0));
|
|
continue;
|
|
}
|
|
to[key] = "[Circular]";
|
|
}
|
|
if (typeof from.name === "string") {
|
|
to.name = from.name;
|
|
}
|
|
if (typeof from.message === "string") {
|
|
to.message = from.message;
|
|
}
|
|
if (typeof from.stack === "string") {
|
|
to.stack = from.stack;
|
|
}
|
|
return to;
|
|
}
|
|
|
|
var AccountNameRequiredError = createCustomErrorClass("AccountNameRequired");
|
|
var AccountNotSupported = createCustomErrorClass("AccountNotSupported");
|
|
var AmountRequired = createCustomErrorClass("AmountRequired");
|
|
var BluetoothRequired = createCustomErrorClass("BluetoothRequired");
|
|
var BtcUnmatchedApp = createCustomErrorClass("BtcUnmatchedApp");
|
|
var CantOpenDevice = createCustomErrorClass("CantOpenDevice");
|
|
var CashAddrNotSupported = createCustomErrorClass("CashAddrNotSupported");
|
|
var CurrencyNotSupported = createCustomErrorClass("CurrencyNotSupported");
|
|
var DeviceAppVerifyNotSupported = createCustomErrorClass("DeviceAppVerifyNotSupported");
|
|
var DeviceGenuineSocketEarlyClose = createCustomErrorClass("DeviceGenuineSocketEarlyClose");
|
|
var DeviceNotGenuineError = createCustomErrorClass("DeviceNotGenuine");
|
|
var DeviceOnDashboardExpected = createCustomErrorClass("DeviceOnDashboardExpected");
|
|
var DeviceOnDashboardUnexpected = createCustomErrorClass("DeviceOnDashboardUnexpected");
|
|
var DeviceInOSUExpected = createCustomErrorClass("DeviceInOSUExpected");
|
|
var DeviceHalted = createCustomErrorClass("DeviceHalted");
|
|
var DeviceNameInvalid = createCustomErrorClass("DeviceNameInvalid");
|
|
var DeviceSocketFail = createCustomErrorClass("DeviceSocketFail");
|
|
var DeviceSocketNoBulkStatus = createCustomErrorClass("DeviceSocketNoBulkStatus");
|
|
var DisconnectedDevice = createCustomErrorClass("DisconnectedDevice");
|
|
var DisconnectedDeviceDuringOperation = createCustomErrorClass("DisconnectedDeviceDuringOperation");
|
|
var EnpointConfigError = createCustomErrorClass("EnpointConfig");
|
|
var EthAppPleaseEnableContractData = createCustomErrorClass("EthAppPleaseEnableContractData");
|
|
var FeeEstimationFailed = createCustomErrorClass("FeeEstimationFailed");
|
|
var FirmwareNotRecognized = createCustomErrorClass("FirmwareNotRecognized");
|
|
var HardResetFail = createCustomErrorClass("HardResetFail");
|
|
var InvalidXRPTag = createCustomErrorClass("InvalidXRPTag");
|
|
var InvalidAddress = createCustomErrorClass("InvalidAddress");
|
|
var InvalidAddressBecauseDestinationIsAlsoSource = createCustomErrorClass("InvalidAddressBecauseDestinationIsAlsoSource");
|
|
var LatestMCUInstalledError = createCustomErrorClass("LatestMCUInstalledError");
|
|
var UnknownMCU = createCustomErrorClass("UnknownMCU");
|
|
var LedgerAPIError = createCustomErrorClass("LedgerAPIError");
|
|
var LedgerAPIErrorWithMessage = createCustomErrorClass("LedgerAPIErrorWithMessage");
|
|
var LedgerAPINotAvailable = createCustomErrorClass("LedgerAPINotAvailable");
|
|
var ManagerAppAlreadyInstalledError = createCustomErrorClass("ManagerAppAlreadyInstalled");
|
|
var ManagerAppRelyOnBTCError = createCustomErrorClass("ManagerAppRelyOnBTC");
|
|
var ManagerAppDepInstallRequired = createCustomErrorClass("ManagerAppDepInstallRequired");
|
|
var ManagerAppDepUninstallRequired = createCustomErrorClass("ManagerAppDepUninstallRequired");
|
|
var ManagerDeviceLockedError = createCustomErrorClass("ManagerDeviceLocked");
|
|
var ManagerFirmwareNotEnoughSpaceError = createCustomErrorClass("ManagerFirmwareNotEnoughSpace");
|
|
var ManagerNotEnoughSpaceError = createCustomErrorClass("ManagerNotEnoughSpace");
|
|
var ManagerUninstallBTCDep = createCustomErrorClass("ManagerUninstallBTCDep");
|
|
var NetworkDown = createCustomErrorClass("NetworkDown");
|
|
var NoAddressesFound = createCustomErrorClass("NoAddressesFound");
|
|
var NotEnoughBalance = createCustomErrorClass("NotEnoughBalance");
|
|
var NotEnoughBalanceToDelegate = createCustomErrorClass("NotEnoughBalanceToDelegate");
|
|
var NotEnoughBalanceInParentAccount = createCustomErrorClass("NotEnoughBalanceInParentAccount");
|
|
var NotEnoughSpendableBalance = createCustomErrorClass("NotEnoughSpendableBalance");
|
|
var NotEnoughBalanceBecauseDestinationNotCreated = createCustomErrorClass("NotEnoughBalanceBecauseDestinationNotCreated");
|
|
var NoAccessToCamera = createCustomErrorClass("NoAccessToCamera");
|
|
var NotEnoughGas = createCustomErrorClass("NotEnoughGas");
|
|
var NotSupportedLegacyAddress = createCustomErrorClass("NotSupportedLegacyAddress");
|
|
var GasLessThanEstimate = createCustomErrorClass("GasLessThanEstimate");
|
|
var PasswordsDontMatchError = createCustomErrorClass("PasswordsDontMatch");
|
|
var PasswordIncorrectError = createCustomErrorClass("PasswordIncorrect");
|
|
var RecommendSubAccountsToEmpty = createCustomErrorClass("RecommendSubAccountsToEmpty");
|
|
var RecommendUndelegation = createCustomErrorClass("RecommendUndelegation");
|
|
var TimeoutTagged = createCustomErrorClass("TimeoutTagged");
|
|
var UnexpectedBootloader = createCustomErrorClass("UnexpectedBootloader");
|
|
var MCUNotGenuineToDashboard = createCustomErrorClass("MCUNotGenuineToDashboard");
|
|
var RecipientRequired = createCustomErrorClass("RecipientRequired");
|
|
var UnavailableTezosOriginatedAccountReceive = createCustomErrorClass("UnavailableTezosOriginatedAccountReceive");
|
|
var UnavailableTezosOriginatedAccountSend = createCustomErrorClass("UnavailableTezosOriginatedAccountSend");
|
|
var UpdateFetchFileFail = createCustomErrorClass("UpdateFetchFileFail");
|
|
var UpdateIncorrectHash = createCustomErrorClass("UpdateIncorrectHash");
|
|
var UpdateIncorrectSig = createCustomErrorClass("UpdateIncorrectSig");
|
|
var UpdateYourApp = createCustomErrorClass("UpdateYourApp");
|
|
var UserRefusedDeviceNameChange = createCustomErrorClass("UserRefusedDeviceNameChange");
|
|
var UserRefusedAddress = createCustomErrorClass("UserRefusedAddress");
|
|
var UserRefusedFirmwareUpdate = createCustomErrorClass("UserRefusedFirmwareUpdate");
|
|
var UserRefusedAllowManager = createCustomErrorClass("UserRefusedAllowManager");
|
|
var UserRefusedOnDevice = createCustomErrorClass("UserRefusedOnDevice"); // TODO rename because it's just for transaction refusal
|
|
var TransportOpenUserCancelled = createCustomErrorClass("TransportOpenUserCancelled");
|
|
var TransportInterfaceNotAvailable = createCustomErrorClass("TransportInterfaceNotAvailable");
|
|
var TransportRaceCondition = createCustomErrorClass("TransportRaceCondition");
|
|
var TransportWebUSBGestureRequired = createCustomErrorClass("TransportWebUSBGestureRequired");
|
|
var DeviceShouldStayInApp = createCustomErrorClass("DeviceShouldStayInApp");
|
|
var WebsocketConnectionError = createCustomErrorClass("WebsocketConnectionError");
|
|
var WebsocketConnectionFailed = createCustomErrorClass("WebsocketConnectionFailed");
|
|
var WrongDeviceForAccount = createCustomErrorClass("WrongDeviceForAccount");
|
|
var WrongAppForCurrency = createCustomErrorClass("WrongAppForCurrency");
|
|
var ETHAddressNonEIP = createCustomErrorClass("ETHAddressNonEIP");
|
|
var CantScanQRCode = createCustomErrorClass("CantScanQRCode");
|
|
var FeeNotLoaded = createCustomErrorClass("FeeNotLoaded");
|
|
var FeeRequired = createCustomErrorClass("FeeRequired");
|
|
var FeeTooHigh = createCustomErrorClass("FeeTooHigh");
|
|
var SyncError = createCustomErrorClass("SyncError");
|
|
var PairingFailed = createCustomErrorClass("PairingFailed");
|
|
var GenuineCheckFailed = createCustomErrorClass("GenuineCheckFailed");
|
|
var LedgerAPI4xx = createCustomErrorClass("LedgerAPI4xx");
|
|
var LedgerAPI5xx = createCustomErrorClass("LedgerAPI5xx");
|
|
var FirmwareOrAppUpdateRequired = createCustomErrorClass("FirmwareOrAppUpdateRequired");
|
|
// db stuff, no need to translate
|
|
var NoDBPathGiven = createCustomErrorClass("NoDBPathGiven");
|
|
var DBWrongPassword = createCustomErrorClass("DBWrongPassword");
|
|
var DBNotReset = createCustomErrorClass("DBNotReset");
|
|
/**
|
|
* TransportError is used for any generic transport errors.
|
|
* e.g. Error thrown when data received by exchanges are incorrect or if exchanged failed to communicate with the device for various reason.
|
|
*/
|
|
function TransportError(message, id) {
|
|
this.name = "TransportError";
|
|
this.message = message;
|
|
this.stack = new Error().stack;
|
|
this.id = id;
|
|
}
|
|
TransportError.prototype = new Error();
|
|
addCustomErrorDeserializer("TransportError", function (e) { return new TransportError(e.message, e.id); });
|
|
var StatusCodes = {
|
|
PIN_REMAINING_ATTEMPTS: 0x63c0,
|
|
INCORRECT_LENGTH: 0x6700,
|
|
MISSING_CRITICAL_PARAMETER: 0x6800,
|
|
COMMAND_INCOMPATIBLE_FILE_STRUCTURE: 0x6981,
|
|
SECURITY_STATUS_NOT_SATISFIED: 0x6982,
|
|
CONDITIONS_OF_USE_NOT_SATISFIED: 0x6985,
|
|
INCORRECT_DATA: 0x6a80,
|
|
NOT_ENOUGH_MEMORY_SPACE: 0x6a84,
|
|
REFERENCED_DATA_NOT_FOUND: 0x6a88,
|
|
FILE_ALREADY_EXISTS: 0x6a89,
|
|
INCORRECT_P1_P2: 0x6b00,
|
|
INS_NOT_SUPPORTED: 0x6d00,
|
|
CLA_NOT_SUPPORTED: 0x6e00,
|
|
TECHNICAL_PROBLEM: 0x6f00,
|
|
OK: 0x9000,
|
|
MEMORY_PROBLEM: 0x9240,
|
|
NO_EF_SELECTED: 0x9400,
|
|
INVALID_OFFSET: 0x9402,
|
|
FILE_NOT_FOUND: 0x9404,
|
|
INCONSISTENT_FILE: 0x9408,
|
|
ALGORITHM_NOT_SUPPORTED: 0x9484,
|
|
INVALID_KCV: 0x9485,
|
|
CODE_NOT_INITIALIZED: 0x9802,
|
|
ACCESS_CONDITION_NOT_FULFILLED: 0x9804,
|
|
CONTRADICTION_SECRET_CODE_STATUS: 0x9808,
|
|
CONTRADICTION_INVALIDATION: 0x9810,
|
|
CODE_BLOCKED: 0x9840,
|
|
MAX_VALUE_REACHED: 0x9850,
|
|
GP_AUTH_FAILED: 0x6300,
|
|
LICENSING: 0x6f42,
|
|
HALTED: 0x6faa,
|
|
};
|
|
function getAltStatusMessage(code) {
|
|
switch (code) {
|
|
// improve text of most common errors
|
|
case 0x6700:
|
|
return "Incorrect length";
|
|
case 0x6800:
|
|
return "Missing critical parameter";
|
|
case 0x6982:
|
|
return "Security not satisfied (dongle locked or have invalid access rights)";
|
|
case 0x6985:
|
|
return "Condition of use not satisfied (denied by the user?)";
|
|
case 0x6a80:
|
|
return "Invalid data received";
|
|
case 0x6b00:
|
|
return "Invalid parameter received";
|
|
}
|
|
if (0x6f00 <= code && code <= 0x6fff) {
|
|
return "Internal error, please report";
|
|
}
|
|
}
|
|
/**
|
|
* Error thrown when a device returned a non success status.
|
|
* the error.statusCode is one of the `StatusCodes` exported by this library.
|
|
*/
|
|
function TransportStatusError(statusCode) {
|
|
this.name = "TransportStatusError";
|
|
var statusText = Object.keys(StatusCodes).find(function (k) { return StatusCodes[k] === statusCode; }) ||
|
|
"UNKNOWN_ERROR";
|
|
var smsg = getAltStatusMessage(statusCode) || statusText;
|
|
var statusCodeStr = statusCode.toString(16);
|
|
this.message = "Ledger device: " + smsg + " (0x" + statusCodeStr + ")";
|
|
this.stack = new Error().stack;
|
|
this.statusCode = statusCode;
|
|
this.statusText = statusText;
|
|
}
|
|
TransportStatusError.prototype = new Error();
|
|
addCustomErrorDeserializer("TransportStatusError", function (e) { return new TransportStatusError(e.statusCode); });
|
|
|
|
const remapTransactionRelatedErrors = e => {
|
|
if (e && e.statusCode === 0x6a80) {
|
|
return new EthAppPleaseEnableContractData("Please enable Contract data on the Ethereum app Settings");
|
|
}
|
|
|
|
return e;
|
|
};
|
|
/**
|
|
* Ethereum API
|
|
*
|
|
* @example
|
|
* import Eth from "@ledgerhq/hw-app-eth";
|
|
* const eth = new Eth(transport)
|
|
*/
|
|
|
|
|
|
class Eth {
|
|
constructor(transport, scrambleKey = "w0w") {
|
|
this.transport = void 0;
|
|
this.transport = transport;
|
|
transport.decorateAppAPIMethods(this, ["getAddress", "provideERC20TokenInformation", "signTransaction", "signPersonalMessage", "getAppConfiguration"], scrambleKey);
|
|
}
|
|
/**
|
|
* get Ethereum address for a given BIP 32 path.
|
|
* @param path a path in BIP 32 format
|
|
* @option boolDisplay optionally enable or not the display
|
|
* @option boolChaincode optionally enable or not the chaincode request
|
|
* @return an object with a publicKey, address and (optionally) chainCode
|
|
* @example
|
|
* eth.getAddress("44'/60'/0'/0/0").then(o => o.address)
|
|
*/
|
|
|
|
|
|
getAddress(path, boolDisplay, boolChaincode) {
|
|
let paths = splitPath(path);
|
|
let buffer = Buffer.alloc(1 + paths.length * 4);
|
|
buffer[0] = paths.length;
|
|
paths.forEach((element, index) => {
|
|
buffer.writeUInt32BE(element, 1 + 4 * index);
|
|
});
|
|
return this.transport.send(0xe0, 0x02, boolDisplay ? 0x01 : 0x00, boolChaincode ? 0x01 : 0x00, buffer).then(response => {
|
|
let result = {};
|
|
let publicKeyLength = response[0];
|
|
let addressLength = response[1 + publicKeyLength];
|
|
result.publicKey = response.slice(1, 1 + publicKeyLength).toString("hex");
|
|
result.address = "0x" + response.slice(1 + publicKeyLength + 1, 1 + publicKeyLength + 1 + addressLength).toString("ascii");
|
|
|
|
if (boolChaincode) {
|
|
result.chainCode = response.slice(1 + publicKeyLength + 1 + addressLength, 1 + publicKeyLength + 1 + addressLength + 32).toString("hex");
|
|
}
|
|
|
|
return result;
|
|
});
|
|
}
|
|
/**
|
|
* This commands provides a trusted description of an ERC 20 token
|
|
* to associate a contract address with a ticker and number of decimals.
|
|
*
|
|
* It shall be run immediately before performing a transaction involving a contract
|
|
* calling this contract address to display the proper token information to the user if necessary.
|
|
*
|
|
* @param {*} info: a blob from "erc20.js" utilities that contains all token information.
|
|
*
|
|
* @example
|
|
* import { byContractAddress } from "@ledgerhq/hw-app-eth/erc20"
|
|
* const zrxInfo = byContractAddress("0xe41d2489571d322189246dafa5ebde1f4699f498")
|
|
* if (zrxInfo) await appEth.provideERC20TokenInformation(zrxInfo)
|
|
* const signed = await appEth.signTransaction(path, rawTxHex)
|
|
*/
|
|
|
|
|
|
provideERC20TokenInformation({
|
|
data
|
|
}) {
|
|
return this.transport.send(0xe0, 0x0a, 0x00, 0x00, data).then(() => true, e => {
|
|
if (e && e.statusCode === 0x6d00) {
|
|
// this case happen for older version of ETH app, since older app version had the ERC20 data hardcoded, it's fine to assume it worked.
|
|
// we return a flag to know if the call was effective or not
|
|
return false;
|
|
}
|
|
|
|
throw e;
|
|
});
|
|
}
|
|
/**
|
|
* You can sign a transaction and retrieve v, r, s given the raw transaction and the BIP 32 path of the account to sign
|
|
* @example
|
|
eth.signTransaction("44'/60'/0'/0/0", "e8018504e3b292008252089428ee52a8f3d6e5d15f8b131996950d7f296c7952872bd72a2487400080").then(result => ...)
|
|
*/
|
|
|
|
|
|
signTransaction(path, rawTxHex) {
|
|
let paths = splitPath(path);
|
|
let offset = 0;
|
|
let rawTx = Buffer.from(rawTxHex, "hex");
|
|
let toSend = [];
|
|
let response;
|
|
|
|
while (offset !== rawTx.length) {
|
|
let maxChunkSize = offset === 0 ? 150 - 1 - paths.length * 4 : 150;
|
|
let chunkSize = offset + maxChunkSize > rawTx.length ? rawTx.length - offset : maxChunkSize;
|
|
let buffer = Buffer.alloc(offset === 0 ? 1 + paths.length * 4 + chunkSize : chunkSize);
|
|
|
|
if (offset === 0) {
|
|
buffer[0] = paths.length;
|
|
paths.forEach((element, index) => {
|
|
buffer.writeUInt32BE(element, 1 + 4 * index);
|
|
});
|
|
rawTx.copy(buffer, 1 + 4 * paths.length, offset, offset + chunkSize);
|
|
} else {
|
|
rawTx.copy(buffer, 0, offset, offset + chunkSize);
|
|
}
|
|
|
|
toSend.push(buffer);
|
|
offset += chunkSize;
|
|
}
|
|
|
|
return foreach(toSend, (data, i) => this.transport.send(0xe0, 0x04, i === 0 ? 0x00 : 0x80, 0x00, data).then(apduResponse => {
|
|
response = apduResponse;
|
|
})).then(() => {
|
|
const v = response.slice(0, 1).toString("hex");
|
|
const r = response.slice(1, 1 + 32).toString("hex");
|
|
const s = response.slice(1 + 32, 1 + 32 + 32).toString("hex");
|
|
return {
|
|
v,
|
|
r,
|
|
s
|
|
};
|
|
}, e => {
|
|
throw remapTransactionRelatedErrors(e);
|
|
});
|
|
}
|
|
/**
|
|
*/
|
|
|
|
|
|
getAppConfiguration() {
|
|
return this.transport.send(0xe0, 0x06, 0x00, 0x00).then(response => {
|
|
let result = {};
|
|
result.arbitraryDataEnabled = response[0] & 0x01;
|
|
result.version = "" + response[1] + "." + response[2] + "." + response[3];
|
|
return result;
|
|
});
|
|
}
|
|
/**
|
|
* You can sign a message according to eth_sign RPC call and retrieve v, r, s given the message and the BIP 32 path of the account to sign.
|
|
* @example
|
|
eth.signPersonalMessage("44'/60'/0'/0/0", Buffer.from("test").toString("hex")).then(result => {
|
|
var v = result['v'] - 27;
|
|
v = v.toString(16);
|
|
if (v.length < 2) {
|
|
v = "0" + v;
|
|
}
|
|
console.log("Signature 0x" + result['r'] + result['s'] + v);
|
|
})
|
|
*/
|
|
|
|
|
|
signPersonalMessage(path, messageHex) {
|
|
let paths = splitPath(path);
|
|
let offset = 0;
|
|
let message = Buffer.from(messageHex, "hex");
|
|
let toSend = [];
|
|
let response;
|
|
|
|
while (offset !== message.length) {
|
|
let maxChunkSize = offset === 0 ? 150 - 1 - paths.length * 4 - 4 : 150;
|
|
let chunkSize = offset + maxChunkSize > message.length ? message.length - offset : maxChunkSize;
|
|
let buffer = Buffer.alloc(offset === 0 ? 1 + paths.length * 4 + 4 + chunkSize : chunkSize);
|
|
|
|
if (offset === 0) {
|
|
buffer[0] = paths.length;
|
|
paths.forEach((element, index) => {
|
|
buffer.writeUInt32BE(element, 1 + 4 * index);
|
|
});
|
|
buffer.writeUInt32BE(message.length, 1 + 4 * paths.length);
|
|
message.copy(buffer, 1 + 4 * paths.length + 4, offset, offset + chunkSize);
|
|
} else {
|
|
message.copy(buffer, 0, offset, offset + chunkSize);
|
|
}
|
|
|
|
toSend.push(buffer);
|
|
offset += chunkSize;
|
|
}
|
|
|
|
return foreach(toSend, (data, i) => this.transport.send(0xe0, 0x08, i === 0 ? 0x00 : 0x80, 0x00, data).then(apduResponse => {
|
|
response = apduResponse;
|
|
})).then(() => {
|
|
const v = response[0];
|
|
const r = response.slice(1, 1 + 32).toString("hex");
|
|
const s = response.slice(1 + 32, 1 + 32 + 32).toString("hex");
|
|
return {
|
|
v,
|
|
r,
|
|
s
|
|
};
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
|
|
|
|
function commonjsRequire () {
|
|
throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs');
|
|
}
|
|
|
|
function unwrapExports (x) {
|
|
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
|
|
}
|
|
|
|
function createCommonjsModule(fn, module) {
|
|
return module = { exports: {} }, fn(module, module.exports), module.exports;
|
|
}
|
|
|
|
function getCjsExportFromNamespace (n) {
|
|
return n && n['default'] || n;
|
|
}
|
|
|
|
// Copyright 2014 Google Inc. All rights reserved
|
|
//
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file or at
|
|
// https://developers.google.com/open-source/licenses/bsd
|
|
|
|
/**
|
|
* @fileoverview The U2F api.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
/** Namespace for the U2F api.
|
|
* @type {Object}
|
|
*/
|
|
var u2f = u2f || {};
|
|
|
|
var googleU2fApi = u2f; // Adaptation for u2f-api package
|
|
|
|
/**
|
|
* The U2F extension id
|
|
* @type {string}
|
|
* @const
|
|
*/
|
|
u2f.EXTENSION_ID = 'kmendfapggjehodndflmmgagdbamhnfd';
|
|
|
|
/**
|
|
* Message types for messsages to/from the extension
|
|
* @const
|
|
* @enum {string}
|
|
*/
|
|
u2f.MessageTypes = {
|
|
'U2F_REGISTER_REQUEST': 'u2f_register_request',
|
|
'U2F_SIGN_REQUEST': 'u2f_sign_request',
|
|
'U2F_REGISTER_RESPONSE': 'u2f_register_response',
|
|
'U2F_SIGN_RESPONSE': 'u2f_sign_response'
|
|
};
|
|
|
|
/**
|
|
* Response status codes
|
|
* @const
|
|
* @enum {number}
|
|
*/
|
|
u2f.ErrorCodes = {
|
|
'OK': 0,
|
|
'OTHER_ERROR': 1,
|
|
'BAD_REQUEST': 2,
|
|
'CONFIGURATION_UNSUPPORTED': 3,
|
|
'DEVICE_INELIGIBLE': 4,
|
|
'TIMEOUT': 5
|
|
};
|
|
|
|
/**
|
|
* A message type for registration requests
|
|
* @typedef {{
|
|
* type: u2f.MessageTypes,
|
|
* signRequests: Array.<u2f.SignRequest>,
|
|
* registerRequests: ?Array.<u2f.RegisterRequest>,
|
|
* timeoutSeconds: ?number,
|
|
* requestId: ?number
|
|
* }}
|
|
*/
|
|
u2f.Request;
|
|
|
|
/**
|
|
* A message for registration responses
|
|
* @typedef {{
|
|
* type: u2f.MessageTypes,
|
|
* responseData: (u2f.Error | u2f.RegisterResponse | u2f.SignResponse),
|
|
* requestId: ?number
|
|
* }}
|
|
*/
|
|
u2f.Response;
|
|
|
|
/**
|
|
* An error object for responses
|
|
* @typedef {{
|
|
* errorCode: u2f.ErrorCodes,
|
|
* errorMessage: ?string
|
|
* }}
|
|
*/
|
|
u2f.Error;
|
|
|
|
/**
|
|
* Data object for a single sign request.
|
|
* @typedef {{
|
|
* version: string,
|
|
* challenge: string,
|
|
* keyHandle: string,
|
|
* appId: string
|
|
* }}
|
|
*/
|
|
u2f.SignRequest;
|
|
|
|
/**
|
|
* Data object for a sign response.
|
|
* @typedef {{
|
|
* keyHandle: string,
|
|
* signatureData: string,
|
|
* clientData: string
|
|
* }}
|
|
*/
|
|
u2f.SignResponse;
|
|
|
|
/**
|
|
* Data object for a registration request.
|
|
* @typedef {{
|
|
* version: string,
|
|
* challenge: string,
|
|
* appId: string
|
|
* }}
|
|
*/
|
|
u2f.RegisterRequest;
|
|
|
|
/**
|
|
* Data object for a registration response.
|
|
* @typedef {{
|
|
* registrationData: string,
|
|
* clientData: string
|
|
* }}
|
|
*/
|
|
u2f.RegisterResponse;
|
|
|
|
|
|
// Low level MessagePort API support
|
|
|
|
/**
|
|
* Call MessagePort disconnect
|
|
*/
|
|
u2f.disconnect = function() {
|
|
if (u2f.port_ && u2f.port_.port_) {
|
|
u2f.port_.port_.disconnect();
|
|
u2f.port_ = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Sets up a MessagePort to the U2F extension using the
|
|
* available mechanisms.
|
|
* @param {function((MessagePort|u2f.WrappedChromeRuntimePort_))} callback
|
|
*/
|
|
u2f.getMessagePort = function(callback) {
|
|
if (typeof chrome != 'undefined' && chrome.runtime) {
|
|
// The actual message here does not matter, but we need to get a reply
|
|
// for the callback to run. Thus, send an empty signature request
|
|
// in order to get a failure response.
|
|
var msg = {
|
|
type: u2f.MessageTypes.U2F_SIGN_REQUEST,
|
|
signRequests: []
|
|
};
|
|
chrome.runtime.sendMessage(u2f.EXTENSION_ID, msg, function() {
|
|
if (!chrome.runtime.lastError) {
|
|
// We are on a whitelisted origin and can talk directly
|
|
// with the extension.
|
|
u2f.getChromeRuntimePort_(callback);
|
|
} else {
|
|
// chrome.runtime was available, but we couldn't message
|
|
// the extension directly, use iframe
|
|
u2f.getIframePort_(callback);
|
|
}
|
|
});
|
|
} else {
|
|
// chrome.runtime was not available at all, which is normal
|
|
// when this origin doesn't have access to any extensions.
|
|
u2f.getIframePort_(callback);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Connects directly to the extension via chrome.runtime.connect
|
|
* @param {function(u2f.WrappedChromeRuntimePort_)} callback
|
|
* @private
|
|
*/
|
|
u2f.getChromeRuntimePort_ = function(callback) {
|
|
var port = chrome.runtime.connect(u2f.EXTENSION_ID,
|
|
{'includeTlsChannelId': true});
|
|
setTimeout(function() {
|
|
callback(null, new u2f.WrappedChromeRuntimePort_(port));
|
|
}, 0);
|
|
};
|
|
|
|
/**
|
|
* A wrapper for chrome.runtime.Port that is compatible with MessagePort.
|
|
* @param {Port} port
|
|
* @constructor
|
|
* @private
|
|
*/
|
|
u2f.WrappedChromeRuntimePort_ = function(port) {
|
|
this.port_ = port;
|
|
};
|
|
|
|
/**
|
|
* Posts a message on the underlying channel.
|
|
* @param {Object} message
|
|
*/
|
|
u2f.WrappedChromeRuntimePort_.prototype.postMessage = function(message) {
|
|
this.port_.postMessage(message);
|
|
};
|
|
|
|
/**
|
|
* Emulates the HTML 5 addEventListener interface. Works only for the
|
|
* onmessage event, which is hooked up to the chrome.runtime.Port.onMessage.
|
|
* @param {string} eventName
|
|
* @param {function({data: Object})} handler
|
|
*/
|
|
u2f.WrappedChromeRuntimePort_.prototype.addEventListener =
|
|
function(eventName, handler) {
|
|
var name = eventName.toLowerCase();
|
|
if (name == 'message' || name == 'onmessage') {
|
|
this.port_.onMessage.addListener(function(message) {
|
|
// Emulate a minimal MessageEvent object
|
|
handler({'data': message});
|
|
});
|
|
} else {
|
|
console.error('WrappedChromeRuntimePort only supports onMessage');
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Sets up an embedded trampoline iframe, sourced from the extension.
|
|
* @param {function(MessagePort)} callback
|
|
* @private
|
|
*/
|
|
u2f.getIframePort_ = function(callback) {
|
|
// Create the iframe
|
|
var iframeOrigin = 'chrome-extension://' + u2f.EXTENSION_ID;
|
|
var iframe = document.createElement('iframe');
|
|
iframe.src = iframeOrigin + '/u2f-comms.html';
|
|
iframe.setAttribute('style', 'display:none');
|
|
document.body.appendChild(iframe);
|
|
|
|
var hasCalledBack = false;
|
|
|
|
var channel = new MessageChannel();
|
|
var ready = function(message) {
|
|
if (message.data == 'ready') {
|
|
channel.port1.removeEventListener('message', ready);
|
|
if (!hasCalledBack)
|
|
{
|
|
hasCalledBack = true;
|
|
callback(null, channel.port1);
|
|
}
|
|
} else {
|
|
console.error('First event on iframe port was not "ready"');
|
|
}
|
|
};
|
|
channel.port1.addEventListener('message', ready);
|
|
channel.port1.start();
|
|
|
|
iframe.addEventListener('load', function() {
|
|
// Deliver the port to the iframe and initialize
|
|
iframe.contentWindow.postMessage('init', iframeOrigin, [channel.port2]);
|
|
});
|
|
|
|
// Give this 200ms to initialize, after that, we treat this method as failed
|
|
setTimeout(function() {
|
|
if (!hasCalledBack)
|
|
{
|
|
hasCalledBack = true;
|
|
callback(new Error("IFrame extension not supported"));
|
|
}
|
|
}, 200);
|
|
};
|
|
|
|
|
|
// High-level JS API
|
|
|
|
/**
|
|
* Default extension response timeout in seconds.
|
|
* @const
|
|
*/
|
|
u2f.EXTENSION_TIMEOUT_SEC = 30;
|
|
|
|
/**
|
|
* A singleton instance for a MessagePort to the extension.
|
|
* @type {MessagePort|u2f.WrappedChromeRuntimePort_}
|
|
* @private
|
|
*/
|
|
u2f.port_ = null;
|
|
|
|
/**
|
|
* Callbacks waiting for a port
|
|
* @type {Array.<function((MessagePort|u2f.WrappedChromeRuntimePort_))>}
|
|
* @private
|
|
*/
|
|
u2f.waitingForPort_ = [];
|
|
|
|
/**
|
|
* A counter for requestIds.
|
|
* @type {number}
|
|
* @private
|
|
*/
|
|
u2f.reqCounter_ = 0;
|
|
|
|
/**
|
|
* A map from requestIds to client callbacks
|
|
* @type {Object.<number,(function((u2f.Error|u2f.RegisterResponse))
|
|
* |function((u2f.Error|u2f.SignResponse)))>}
|
|
* @private
|
|
*/
|
|
u2f.callbackMap_ = {};
|
|
|
|
/**
|
|
* Creates or retrieves the MessagePort singleton to use.
|
|
* @param {function((MessagePort|u2f.WrappedChromeRuntimePort_))} callback
|
|
* @private
|
|
*/
|
|
u2f.getPortSingleton_ = function(callback) {
|
|
if (u2f.port_) {
|
|
callback(null, u2f.port_);
|
|
} else {
|
|
if (u2f.waitingForPort_.length == 0) {
|
|
u2f.getMessagePort(function(err, port) {
|
|
if (!err) {
|
|
u2f.port_ = port;
|
|
u2f.port_.addEventListener('message',
|
|
/** @type {function(Event)} */ (u2f.responseHandler_));
|
|
}
|
|
|
|
// Careful, here be async callbacks. Maybe.
|
|
while (u2f.waitingForPort_.length)
|
|
u2f.waitingForPort_.shift()(err, port);
|
|
});
|
|
}
|
|
u2f.waitingForPort_.push(callback);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Handles response messages from the extension.
|
|
* @param {MessageEvent.<u2f.Response>} message
|
|
* @private
|
|
*/
|
|
u2f.responseHandler_ = function(message) {
|
|
var response = message.data;
|
|
var reqId = response['requestId'];
|
|
if (!reqId || !u2f.callbackMap_[reqId]) {
|
|
console.error('Unknown or missing requestId in response.');
|
|
return;
|
|
}
|
|
var cb = u2f.callbackMap_[reqId];
|
|
delete u2f.callbackMap_[reqId];
|
|
cb(null, response['responseData']);
|
|
};
|
|
|
|
/**
|
|
* Calls the callback with true or false as first and only argument
|
|
* @param {Function} callback
|
|
*/
|
|
u2f.isSupported = function(callback) {
|
|
u2f.getPortSingleton_(function(err, port) {
|
|
callback(!err);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Dispatches an array of sign requests to available U2F tokens.
|
|
* @param {Array.<u2f.SignRequest>} signRequests
|
|
* @param {function((u2f.Error|u2f.SignResponse))} callback
|
|
* @param {number=} opt_timeoutSeconds
|
|
*/
|
|
u2f.sign = function(signRequests, callback, opt_timeoutSeconds) {
|
|
u2f.getPortSingleton_(function(err, port) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
var reqId = ++u2f.reqCounter_;
|
|
u2f.callbackMap_[reqId] = callback;
|
|
var req = {
|
|
type: u2f.MessageTypes.U2F_SIGN_REQUEST,
|
|
signRequests: signRequests,
|
|
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
|
|
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
|
|
requestId: reqId
|
|
};
|
|
port.postMessage(req);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Dispatches register requests to available U2F tokens. An array of sign
|
|
* requests identifies already registered tokens.
|
|
* @param {Array.<u2f.RegisterRequest>} registerRequests
|
|
* @param {Array.<u2f.SignRequest>} signRequests
|
|
* @param {function((u2f.Error|u2f.RegisterResponse))} callback
|
|
* @param {number=} opt_timeoutSeconds
|
|
*/
|
|
u2f.register = function(registerRequests, signRequests,
|
|
callback, opt_timeoutSeconds) {
|
|
u2f.getPortSingleton_(function(err, port) {
|
|
if (err)
|
|
return callback(err);
|
|
|
|
var reqId = ++u2f.reqCounter_;
|
|
u2f.callbackMap_[reqId] = callback;
|
|
var req = {
|
|
type: u2f.MessageTypes.U2F_REGISTER_REQUEST,
|
|
signRequests: signRequests,
|
|
registerRequests: registerRequests,
|
|
timeoutSeconds: (typeof opt_timeoutSeconds !== 'undefined' ?
|
|
opt_timeoutSeconds : u2f.EXTENSION_TIMEOUT_SEC),
|
|
requestId: reqId
|
|
};
|
|
port.postMessage(req);
|
|
});
|
|
};
|
|
|
|
'use strict';
|
|
|
|
var u2fApi = API;
|
|
|
|
|
|
|
|
// Feature detection (yes really)
|
|
var isBrowser = ( typeof navigator !== 'undefined' ) && !!navigator.userAgent;
|
|
var isSafari = isBrowser && navigator.userAgent.match( /Safari\// )
|
|
&& !navigator.userAgent.match( /Chrome\// );
|
|
var isEDGE = isBrowser && navigator.userAgent.match( /Edge\/1[2345]/ );
|
|
|
|
var _backend = null;
|
|
function getBackend( Promise )
|
|
{
|
|
if ( !_backend )
|
|
_backend = new Promise( function( resolve, reject )
|
|
{
|
|
function notSupported( )
|
|
{
|
|
// Note; {native: true} means *not* using Google's hack
|
|
resolve( { u2f: null, native: true } );
|
|
}
|
|
|
|
if ( !isBrowser )
|
|
return notSupported( );
|
|
|
|
if ( isSafari )
|
|
// Safari doesn't support U2F, and the Safari-FIDO-U2F
|
|
// extension lacks full support (Multi-facet apps), so we
|
|
// block it until proper support.
|
|
return notSupported( );
|
|
|
|
var hasNativeSupport =
|
|
( typeof window.u2f !== 'undefined' ) &&
|
|
( typeof window.u2f.sign === 'function' );
|
|
|
|
if ( hasNativeSupport )
|
|
resolve( { u2f: window.u2f, native: true } );
|
|
|
|
if ( isEDGE )
|
|
// We don't want to check for Google's extension hack on EDGE
|
|
// as it'll cause trouble (popups, etc)
|
|
return notSupported( );
|
|
|
|
if ( location.protocol === 'http:' )
|
|
// U2F isn't supported over http, only https
|
|
return notSupported( );
|
|
|
|
if ( typeof MessageChannel === 'undefined' )
|
|
// Unsupported browser, the chrome hack would throw
|
|
return notSupported( );
|
|
|
|
// Test for google extension support
|
|
googleU2fApi.isSupported( function( ok )
|
|
{
|
|
if ( ok )
|
|
resolve( { u2f: googleU2fApi, native: false } );
|
|
else
|
|
notSupported( );
|
|
} );
|
|
} );
|
|
|
|
return _backend;
|
|
}
|
|
|
|
function API( Promise )
|
|
{
|
|
return {
|
|
isSupported : isSupported.bind( Promise ),
|
|
ensureSupport : ensureSupport.bind( Promise ),
|
|
register : register.bind( Promise ),
|
|
sign : sign.bind( Promise ),
|
|
ErrorCodes : API.ErrorCodes,
|
|
ErrorNames : API.ErrorNames
|
|
};
|
|
}
|
|
|
|
API.ErrorCodes = {
|
|
CANCELLED: -1,
|
|
OK: 0,
|
|
OTHER_ERROR: 1,
|
|
BAD_REQUEST: 2,
|
|
CONFIGURATION_UNSUPPORTED: 3,
|
|
DEVICE_INELIGIBLE: 4,
|
|
TIMEOUT: 5
|
|
};
|
|
API.ErrorNames = {
|
|
"-1": "CANCELLED",
|
|
"0": "OK",
|
|
"1": "OTHER_ERROR",
|
|
"2": "BAD_REQUEST",
|
|
"3": "CONFIGURATION_UNSUPPORTED",
|
|
"4": "DEVICE_INELIGIBLE",
|
|
"5": "TIMEOUT"
|
|
};
|
|
|
|
function makeError( msg, err )
|
|
{
|
|
var code = err != null ? err.errorCode : 1; // Default to OTHER_ERROR
|
|
var type = API.ErrorNames[ '' + code ];
|
|
var error = new Error( msg );
|
|
error.metaData = {
|
|
type: type,
|
|
code: code
|
|
};
|
|
return error;
|
|
}
|
|
|
|
function deferPromise( Promise, promise )
|
|
{
|
|
var ret = { };
|
|
ret.promise = new Promise( function( resolve, reject ) {
|
|
ret.resolve = resolve;
|
|
ret.reject = reject;
|
|
promise.then( resolve, reject );
|
|
} );
|
|
/**
|
|
* Reject request promise and disconnect port if 'disconnect' flag is true
|
|
* @param {string} msg
|
|
* @param {boolean} disconnect
|
|
*/
|
|
ret.promise.cancel = function( msg, disconnect )
|
|
{
|
|
getBackend( Promise )
|
|
.then( function( backend )
|
|
{
|
|
if ( disconnect && !backend.native )
|
|
backend.u2f.disconnect( );
|
|
|
|
ret.reject( makeError( msg, { errorCode: -1 } ) );
|
|
} );
|
|
};
|
|
return ret;
|
|
}
|
|
|
|
function defer$1( Promise, fun )
|
|
{
|
|
return deferPromise( Promise, new Promise( function( resolve, reject )
|
|
{
|
|
try
|
|
{
|
|
fun && fun( resolve, reject );
|
|
}
|
|
catch ( err )
|
|
{
|
|
reject( err );
|
|
}
|
|
} ) );
|
|
}
|
|
|
|
function isSupported( )
|
|
{
|
|
var Promise = this;
|
|
|
|
return getBackend( Promise )
|
|
.then( function( backend )
|
|
{
|
|
return !!backend.u2f;
|
|
} );
|
|
}
|
|
|
|
function _ensureSupport( backend )
|
|
{
|
|
if ( !backend.u2f )
|
|
{
|
|
if ( location.protocol === 'http:' )
|
|
throw new Error( "U2F isn't supported over http, only https" );
|
|
throw new Error( "U2F not supported" );
|
|
}
|
|
}
|
|
|
|
function ensureSupport( )
|
|
{
|
|
var Promise = this;
|
|
|
|
return getBackend( Promise )
|
|
.then( _ensureSupport );
|
|
}
|
|
|
|
function register( registerRequests, signRequests /* = null */, timeout )
|
|
{
|
|
var Promise = this;
|
|
|
|
if ( !Array.isArray( registerRequests ) )
|
|
registerRequests = [ registerRequests ];
|
|
|
|
if ( typeof signRequests === 'number' && typeof timeout === 'undefined' )
|
|
{
|
|
timeout = signRequests;
|
|
signRequests = null;
|
|
}
|
|
|
|
if ( !signRequests )
|
|
signRequests = [ ];
|
|
|
|
return deferPromise( Promise, getBackend( Promise )
|
|
.then( function( backend )
|
|
{
|
|
_ensureSupport( backend );
|
|
|
|
var native = backend.native;
|
|
var u2f = backend.u2f;
|
|
|
|
return new Promise( function( resolve, reject )
|
|
{
|
|
function cbNative( response )
|
|
{
|
|
if ( response.errorCode )
|
|
reject( makeError( "Registration failed", response ) );
|
|
else
|
|
{
|
|
delete response.errorCode;
|
|
resolve( response );
|
|
}
|
|
}
|
|
|
|
function cbChrome( err, response )
|
|
{
|
|
if ( err )
|
|
reject( err );
|
|
else if ( response.errorCode )
|
|
reject( makeError( "Registration failed", response ) );
|
|
else
|
|
resolve( response );
|
|
}
|
|
|
|
if ( native )
|
|
{
|
|
var appId = registerRequests[ 0 ].appId;
|
|
|
|
u2f.register(
|
|
appId, registerRequests, signRequests, cbNative, timeout );
|
|
}
|
|
else
|
|
{
|
|
u2f.register(
|
|
registerRequests, signRequests, cbChrome, timeout );
|
|
}
|
|
} );
|
|
} ) ).promise;
|
|
}
|
|
|
|
function sign( signRequests, timeout )
|
|
{
|
|
var Promise = this;
|
|
|
|
if ( !Array.isArray( signRequests ) )
|
|
signRequests = [ signRequests ];
|
|
|
|
return deferPromise( Promise, getBackend( Promise )
|
|
.then( function( backend )
|
|
{
|
|
_ensureSupport( backend );
|
|
|
|
var native = backend.native;
|
|
var u2f = backend.u2f;
|
|
|
|
return new Promise( function( resolve, reject )
|
|
{
|
|
function cbNative( response )
|
|
{
|
|
if ( response.errorCode )
|
|
reject( makeError( "Sign failed", response ) );
|
|
else
|
|
{
|
|
delete response.errorCode;
|
|
resolve( response );
|
|
}
|
|
}
|
|
|
|
function cbChrome( err, response )
|
|
{
|
|
if ( err )
|
|
reject( err );
|
|
else if ( response.errorCode )
|
|
reject( makeError( "Sign failed", response ) );
|
|
else
|
|
resolve( response );
|
|
}
|
|
|
|
if ( native )
|
|
{
|
|
var appId = signRequests[ 0 ].appId;
|
|
var challenge = signRequests[ 0 ].challenge;
|
|
|
|
u2f.sign( appId, challenge, signRequests, cbNative, timeout );
|
|
}
|
|
else
|
|
{
|
|
u2f.sign( signRequests, cbChrome, timeout );
|
|
}
|
|
} );
|
|
} ) ).promise;
|
|
}
|
|
|
|
function makeDefault( func )
|
|
{
|
|
API[ func ] = function( )
|
|
{
|
|
if ( !commonjsGlobal.Promise )
|
|
// This is very unlikely to ever happen, since browsers
|
|
// supporting U2F will most likely support Promises.
|
|
throw new Error( "The platform doesn't natively support promises" );
|
|
|
|
var args = [ ].slice.call( arguments );
|
|
return API( commonjsGlobal.Promise )[ func ].apply( null, args );
|
|
};
|
|
}
|
|
|
|
// Provide default functions using the built-in Promise if available.
|
|
makeDefault( 'isSupported' );
|
|
makeDefault( 'ensureSupport' );
|
|
makeDefault( 'register' );
|
|
makeDefault( 'sign' );
|
|
|
|
'use strict';
|
|
var u2fApi$1 = u2fApi;
|
|
var u2fApi_1 = u2fApi$1.isSupported;
|
|
var u2fApi_2 = u2fApi$1.sign;
|
|
|
|
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
'use strict';
|
|
|
|
var R = typeof Reflect === 'object' ? Reflect : null;
|
|
var ReflectApply = R && typeof R.apply === 'function'
|
|
? R.apply
|
|
: function ReflectApply(target, receiver, args) {
|
|
return Function.prototype.apply.call(target, receiver, args);
|
|
};
|
|
|
|
var ReflectOwnKeys;
|
|
if (R && typeof R.ownKeys === 'function') {
|
|
ReflectOwnKeys = R.ownKeys;
|
|
} else if (Object.getOwnPropertySymbols) {
|
|
ReflectOwnKeys = function ReflectOwnKeys(target) {
|
|
return Object.getOwnPropertyNames(target)
|
|
.concat(Object.getOwnPropertySymbols(target));
|
|
};
|
|
} else {
|
|
ReflectOwnKeys = function ReflectOwnKeys(target) {
|
|
return Object.getOwnPropertyNames(target);
|
|
};
|
|
}
|
|
|
|
function ProcessEmitWarning(warning) {
|
|
if (console && console.warn) console.warn(warning);
|
|
}
|
|
|
|
var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {
|
|
return value !== value;
|
|
};
|
|
|
|
function EventEmitter() {
|
|
EventEmitter.init.call(this);
|
|
}
|
|
var events = EventEmitter;
|
|
|
|
// Backwards-compat with node 0.10.x
|
|
EventEmitter.EventEmitter = EventEmitter;
|
|
|
|
EventEmitter.prototype._events = undefined;
|
|
EventEmitter.prototype._eventsCount = 0;
|
|
EventEmitter.prototype._maxListeners = undefined;
|
|
|
|
// By default EventEmitters will print a warning if more than 10 listeners are
|
|
// added to it. This is a useful default which helps finding memory leaks.
|
|
var defaultMaxListeners = 10;
|
|
|
|
function checkListener(listener) {
|
|
if (typeof listener !== 'function') {
|
|
throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
|
|
}
|
|
}
|
|
|
|
Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
|
|
enumerable: true,
|
|
get: function() {
|
|
return defaultMaxListeners;
|
|
},
|
|
set: function(arg) {
|
|
if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
|
|
throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.');
|
|
}
|
|
defaultMaxListeners = arg;
|
|
}
|
|
});
|
|
|
|
EventEmitter.init = function() {
|
|
|
|
if (this._events === undefined ||
|
|
this._events === Object.getPrototypeOf(this)._events) {
|
|
this._events = Object.create(null);
|
|
this._eventsCount = 0;
|
|
}
|
|
|
|
this._maxListeners = this._maxListeners || undefined;
|
|
};
|
|
|
|
// Obviously not all Emitters should be limited to 10. This function allows
|
|
// that to be increased. Set to zero for unlimited.
|
|
EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
|
|
if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
|
|
throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.');
|
|
}
|
|
this._maxListeners = n;
|
|
return this;
|
|
};
|
|
|
|
function _getMaxListeners(that) {
|
|
if (that._maxListeners === undefined)
|
|
return EventEmitter.defaultMaxListeners;
|
|
return that._maxListeners;
|
|
}
|
|
|
|
EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
|
|
return _getMaxListeners(this);
|
|
};
|
|
|
|
EventEmitter.prototype.emit = function emit(type) {
|
|
var args = [];
|
|
for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
|
|
var doError = (type === 'error');
|
|
|
|
var events = this._events;
|
|
if (events !== undefined)
|
|
doError = (doError && events.error === undefined);
|
|
else if (!doError)
|
|
return false;
|
|
|
|
// If there is no 'error' event listener then throw.
|
|
if (doError) {
|
|
var er;
|
|
if (args.length > 0)
|
|
er = args[0];
|
|
if (er instanceof Error) {
|
|
// Note: The comments on the `throw` lines are intentional, they show
|
|
// up in Node's output if this results in an unhandled exception.
|
|
throw er; // Unhandled 'error' event
|
|
}
|
|
// At least give some kind of context to the user
|
|
var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));
|
|
err.context = er;
|
|
throw err; // Unhandled 'error' event
|
|
}
|
|
|
|
var handler = events[type];
|
|
|
|
if (handler === undefined)
|
|
return false;
|
|
|
|
if (typeof handler === 'function') {
|
|
ReflectApply(handler, this, args);
|
|
} else {
|
|
var len = handler.length;
|
|
var listeners = arrayClone(handler, len);
|
|
for (var i = 0; i < len; ++i)
|
|
ReflectApply(listeners[i], this, args);
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
function _addListener(target, type, listener, prepend) {
|
|
var m;
|
|
var events;
|
|
var existing;
|
|
|
|
checkListener(listener);
|
|
|
|
events = target._events;
|
|
if (events === undefined) {
|
|
events = target._events = Object.create(null);
|
|
target._eventsCount = 0;
|
|
} else {
|
|
// To avoid recursion in the case that type === "newListener"! Before
|
|
// adding it to the listeners, first emit "newListener".
|
|
if (events.newListener !== undefined) {
|
|
target.emit('newListener', type,
|
|
listener.listener ? listener.listener : listener);
|
|
|
|
// Re-assign `events` because a newListener handler could have caused the
|
|
// this._events to be assigned to a new object
|
|
events = target._events;
|
|
}
|
|
existing = events[type];
|
|
}
|
|
|
|
if (existing === undefined) {
|
|
// Optimize the case of one listener. Don't need the extra array object.
|
|
existing = events[type] = listener;
|
|
++target._eventsCount;
|
|
} else {
|
|
if (typeof existing === 'function') {
|
|
// Adding the second element, need to change to array.
|
|
existing = events[type] =
|
|
prepend ? [listener, existing] : [existing, listener];
|
|
// If we've already got an array, just append.
|
|
} else if (prepend) {
|
|
existing.unshift(listener);
|
|
} else {
|
|
existing.push(listener);
|
|
}
|
|
|
|
// Check for listener leak
|
|
m = _getMaxListeners(target);
|
|
if (m > 0 && existing.length > m && !existing.warned) {
|
|
existing.warned = true;
|
|
// No error code for this since it is a Warning
|
|
// eslint-disable-next-line no-restricted-syntax
|
|
var w = new Error('Possible EventEmitter memory leak detected. ' +
|
|
existing.length + ' ' + String(type) + ' listeners ' +
|
|
'added. Use emitter.setMaxListeners() to ' +
|
|
'increase limit');
|
|
w.name = 'MaxListenersExceededWarning';
|
|
w.emitter = target;
|
|
w.type = type;
|
|
w.count = existing.length;
|
|
ProcessEmitWarning(w);
|
|
}
|
|
}
|
|
|
|
return target;
|
|
}
|
|
|
|
EventEmitter.prototype.addListener = function addListener(type, listener) {
|
|
return _addListener(this, type, listener, false);
|
|
};
|
|
|
|
EventEmitter.prototype.on = EventEmitter.prototype.addListener;
|
|
|
|
EventEmitter.prototype.prependListener =
|
|
function prependListener(type, listener) {
|
|
return _addListener(this, type, listener, true);
|
|
};
|
|
|
|
function onceWrapper() {
|
|
if (!this.fired) {
|
|
this.target.removeListener(this.type, this.wrapFn);
|
|
this.fired = true;
|
|
if (arguments.length === 0)
|
|
return this.listener.call(this.target);
|
|
return this.listener.apply(this.target, arguments);
|
|
}
|
|
}
|
|
|
|
function _onceWrap(target, type, listener) {
|
|
var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
|
|
var wrapped = onceWrapper.bind(state);
|
|
wrapped.listener = listener;
|
|
state.wrapFn = wrapped;
|
|
return wrapped;
|
|
}
|
|
|
|
EventEmitter.prototype.once = function once(type, listener) {
|
|
checkListener(listener);
|
|
this.on(type, _onceWrap(this, type, listener));
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.prependOnceListener =
|
|
function prependOnceListener(type, listener) {
|
|
checkListener(listener);
|
|
this.prependListener(type, _onceWrap(this, type, listener));
|
|
return this;
|
|
};
|
|
|
|
// Emits a 'removeListener' event if and only if the listener was removed.
|
|
EventEmitter.prototype.removeListener =
|
|
function removeListener(type, listener) {
|
|
var list, events, position, i, originalListener;
|
|
|
|
checkListener(listener);
|
|
|
|
events = this._events;
|
|
if (events === undefined)
|
|
return this;
|
|
|
|
list = events[type];
|
|
if (list === undefined)
|
|
return this;
|
|
|
|
if (list === listener || list.listener === listener) {
|
|
if (--this._eventsCount === 0)
|
|
this._events = Object.create(null);
|
|
else {
|
|
delete events[type];
|
|
if (events.removeListener)
|
|
this.emit('removeListener', type, list.listener || listener);
|
|
}
|
|
} else if (typeof list !== 'function') {
|
|
position = -1;
|
|
|
|
for (i = list.length - 1; i >= 0; i--) {
|
|
if (list[i] === listener || list[i].listener === listener) {
|
|
originalListener = list[i].listener;
|
|
position = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (position < 0)
|
|
return this;
|
|
|
|
if (position === 0)
|
|
list.shift();
|
|
else {
|
|
spliceOne(list, position);
|
|
}
|
|
|
|
if (list.length === 1)
|
|
events[type] = list[0];
|
|
|
|
if (events.removeListener !== undefined)
|
|
this.emit('removeListener', type, originalListener || listener);
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
|
|
|
|
EventEmitter.prototype.removeAllListeners =
|
|
function removeAllListeners(type) {
|
|
var listeners, events, i;
|
|
|
|
events = this._events;
|
|
if (events === undefined)
|
|
return this;
|
|
|
|
// not listening for removeListener, no need to emit
|
|
if (events.removeListener === undefined) {
|
|
if (arguments.length === 0) {
|
|
this._events = Object.create(null);
|
|
this._eventsCount = 0;
|
|
} else if (events[type] !== undefined) {
|
|
if (--this._eventsCount === 0)
|
|
this._events = Object.create(null);
|
|
else
|
|
delete events[type];
|
|
}
|
|
return this;
|
|
}
|
|
|
|
// emit removeListener for all listeners on all events
|
|
if (arguments.length === 0) {
|
|
var keys = Object.keys(events);
|
|
var key;
|
|
for (i = 0; i < keys.length; ++i) {
|
|
key = keys[i];
|
|
if (key === 'removeListener') continue;
|
|
this.removeAllListeners(key);
|
|
}
|
|
this.removeAllListeners('removeListener');
|
|
this._events = Object.create(null);
|
|
this._eventsCount = 0;
|
|
return this;
|
|
}
|
|
|
|
listeners = events[type];
|
|
|
|
if (typeof listeners === 'function') {
|
|
this.removeListener(type, listeners);
|
|
} else if (listeners !== undefined) {
|
|
// LIFO order
|
|
for (i = listeners.length - 1; i >= 0; i--) {
|
|
this.removeListener(type, listeners[i]);
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
function _listeners(target, type, unwrap) {
|
|
var events = target._events;
|
|
|
|
if (events === undefined)
|
|
return [];
|
|
|
|
var evlistener = events[type];
|
|
if (evlistener === undefined)
|
|
return [];
|
|
|
|
if (typeof evlistener === 'function')
|
|
return unwrap ? [evlistener.listener || evlistener] : [evlistener];
|
|
|
|
return unwrap ?
|
|
unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
|
|
}
|
|
|
|
EventEmitter.prototype.listeners = function listeners(type) {
|
|
return _listeners(this, type, true);
|
|
};
|
|
|
|
EventEmitter.prototype.rawListeners = function rawListeners(type) {
|
|
return _listeners(this, type, false);
|
|
};
|
|
|
|
EventEmitter.listenerCount = function(emitter, type) {
|
|
if (typeof emitter.listenerCount === 'function') {
|
|
return emitter.listenerCount(type);
|
|
} else {
|
|
return listenerCount.call(emitter, type);
|
|
}
|
|
};
|
|
|
|
EventEmitter.prototype.listenerCount = listenerCount;
|
|
function listenerCount(type) {
|
|
var events = this._events;
|
|
|
|
if (events !== undefined) {
|
|
var evlistener = events[type];
|
|
|
|
if (typeof evlistener === 'function') {
|
|
return 1;
|
|
} else if (evlistener !== undefined) {
|
|
return evlistener.length;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
EventEmitter.prototype.eventNames = function eventNames() {
|
|
return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
|
|
};
|
|
|
|
function arrayClone(arr, n) {
|
|
var copy = new Array(n);
|
|
for (var i = 0; i < n; ++i)
|
|
copy[i] = arr[i];
|
|
return copy;
|
|
}
|
|
|
|
function spliceOne(list, index) {
|
|
for (; index + 1 < list.length; index++)
|
|
list[index] = list[index + 1];
|
|
list.pop();
|
|
}
|
|
|
|
function unwrapListeners(arr) {
|
|
var ret = new Array(arr.length);
|
|
for (var i = 0; i < ret.length; ++i) {
|
|
ret[i] = arr[i].listener || arr[i];
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
*/
|
|
|
|
/**
|
|
* Transport defines the generic interface to share between node/u2f impl
|
|
* A **Descriptor** is a parametric type that is up to be determined for the implementation.
|
|
* it can be for instance an ID, an file path, a URL,...
|
|
*/
|
|
class Transport {
|
|
constructor() {
|
|
this.exchangeTimeout = 30000;
|
|
this._events = new events();
|
|
|
|
this.send = async (cla, ins, p1, p2, data = Buffer.alloc(0), statusList = [StatusCodes.OK]) => {
|
|
if (data.length >= 256) {
|
|
throw new TransportError("data.length exceed 256 bytes limit. Got: " + data.length, "DataLengthTooBig");
|
|
}
|
|
|
|
const response = await this.exchange(Buffer.concat([Buffer.from([cla, ins, p1, p2]), Buffer.from([data.length]), data]));
|
|
const sw = response.readUInt16BE(response.length - 2);
|
|
|
|
if (!statusList.some(s => s === sw)) {
|
|
throw new TransportStatusError(sw);
|
|
}
|
|
|
|
return response;
|
|
};
|
|
|
|
this.exchangeBusyPromise = void 0;
|
|
|
|
this.exchangeAtomicImpl = async f => {
|
|
if (this.exchangeBusyPromise) {
|
|
throw new TransportError("Transport race condition", "RaceCondition");
|
|
}
|
|
|
|
let resolveBusy;
|
|
const busyPromise = new Promise(r => {
|
|
resolveBusy = r;
|
|
});
|
|
this.exchangeBusyPromise = busyPromise;
|
|
|
|
try {
|
|
const res = await f();
|
|
return res;
|
|
} finally {
|
|
if (resolveBusy) resolveBusy();
|
|
this.exchangeBusyPromise = null;
|
|
}
|
|
};
|
|
|
|
this._appAPIlock = null;
|
|
}
|
|
|
|
/**
|
|
* low level api to communicate with the device
|
|
* This method is for implementations to implement but should not be directly called.
|
|
* Instead, the recommanded way is to use send() method
|
|
* @param apdu the data to send
|
|
* @return a Promise of response data
|
|
*/
|
|
exchange(_apdu) {
|
|
throw new Error("exchange not implemented");
|
|
}
|
|
/**
|
|
* set the "scramble key" for the next exchanges with the device.
|
|
* Each App can have a different scramble key and they internally will set it at instanciation.
|
|
* @param key the scramble key
|
|
*/
|
|
|
|
|
|
setScrambleKey(_key) {}
|
|
/**
|
|
* close the exchange with the device.
|
|
* @return a Promise that ends when the transport is closed.
|
|
*/
|
|
|
|
|
|
close() {
|
|
return Promise.resolve();
|
|
}
|
|
|
|
/**
|
|
* Listen to an event on an instance of transport.
|
|
* Transport implementation can have specific events. Here is the common events:
|
|
* * `"disconnect"` : triggered if Transport is disconnected
|
|
*/
|
|
on(eventName, cb) {
|
|
this._events.on(eventName, cb);
|
|
}
|
|
/**
|
|
* Stop listening to an event on an instance of transport.
|
|
*/
|
|
|
|
|
|
off(eventName, cb) {
|
|
this._events.removeListener(eventName, cb);
|
|
}
|
|
|
|
emit(event, ...args) {
|
|
this._events.emit(event, ...args);
|
|
}
|
|
/**
|
|
* Enable or not logs of the binary exchange
|
|
*/
|
|
|
|
|
|
setDebugMode() {
|
|
console.warn("setDebugMode is deprecated. use @ledgerhq/logs instead. No logs are emitted in this anymore.");
|
|
}
|
|
/**
|
|
* Set a timeout (in milliseconds) for the exchange call. Only some transport might implement it. (e.g. U2F)
|
|
*/
|
|
|
|
|
|
setExchangeTimeout(exchangeTimeout) {
|
|
this.exchangeTimeout = exchangeTimeout;
|
|
}
|
|
/**
|
|
* wrapper on top of exchange to simplify work of the implementation.
|
|
* @param cla
|
|
* @param ins
|
|
* @param p1
|
|
* @param p2
|
|
* @param data
|
|
* @param statusList is a list of accepted status code (shorts). [0x9000] by default
|
|
* @return a Promise of response buffer
|
|
*/
|
|
|
|
|
|
/**
|
|
* create() allows to open the first descriptor available or
|
|
* throw if there is none or if timeout is reached.
|
|
* This is a light helper, alternative to using listen() and open() (that you may need for any more advanced usecase)
|
|
* @example
|
|
TransportFoo.create().then(transport => ...)
|
|
*/
|
|
static create(openTimeout = 3000, listenTimeout) {
|
|
return new Promise((resolve, reject) => {
|
|
let found = false;
|
|
const sub = this.listen({
|
|
next: e => {
|
|
found = true;
|
|
if (sub) sub.unsubscribe();
|
|
if (listenTimeoutId) clearTimeout(listenTimeoutId);
|
|
this.open(e.descriptor, openTimeout).then(resolve, reject);
|
|
},
|
|
error: e => {
|
|
if (listenTimeoutId) clearTimeout(listenTimeoutId);
|
|
reject(e);
|
|
},
|
|
complete: () => {
|
|
if (listenTimeoutId) clearTimeout(listenTimeoutId);
|
|
|
|
if (!found) {
|
|
reject(new TransportError(this.ErrorMessage_NoDeviceFound, "NoDeviceFound"));
|
|
}
|
|
}
|
|
});
|
|
const listenTimeoutId = listenTimeout ? setTimeout(() => {
|
|
sub.unsubscribe();
|
|
reject(new TransportError(this.ErrorMessage_ListenTimeout, "ListenTimeout"));
|
|
}, listenTimeout) : null;
|
|
});
|
|
}
|
|
|
|
decorateAppAPIMethods(self, methods, scrambleKey) {
|
|
for (let methodName of methods) {
|
|
self[methodName] = this.decorateAppAPIMethod(methodName, self[methodName], self, scrambleKey);
|
|
}
|
|
}
|
|
|
|
decorateAppAPIMethod(methodName, f, ctx, scrambleKey) {
|
|
return async (...args) => {
|
|
const {
|
|
_appAPIlock
|
|
} = this;
|
|
|
|
if (_appAPIlock) {
|
|
return Promise.reject(new TransportError("Ledger Device is busy (lock " + _appAPIlock + ")", "TransportLocked"));
|
|
}
|
|
|
|
try {
|
|
this._appAPIlock = methodName;
|
|
this.setScrambleKey(scrambleKey);
|
|
return await f.apply(ctx, args);
|
|
} finally {
|
|
this._appAPIlock = null;
|
|
}
|
|
};
|
|
}
|
|
|
|
}
|
|
Transport.isSupported = void 0;
|
|
Transport.list = void 0;
|
|
Transport.listen = void 0;
|
|
Transport.open = void 0;
|
|
Transport.ErrorMessage_ListenTimeout = "No Ledger device found (timeout)";
|
|
Transport.ErrorMessage_NoDeviceFound = "No Ledger device found";
|
|
|
|
/**
|
|
* A Log object
|
|
*/
|
|
let id = 0;
|
|
const subscribers = [];
|
|
/**
|
|
* log something
|
|
* @param type a namespaced identifier of the log (it is not a level like "debug", "error" but more like "apdu-in", "apdu-out", etc...)
|
|
* @param message a clear message of the log associated to the type
|
|
*/
|
|
|
|
const log = (type, message, data) => {
|
|
const obj = {
|
|
type,
|
|
id: String(++id),
|
|
date: new Date()
|
|
};
|
|
if (message) obj.message = message;
|
|
if (data) obj.data = data;
|
|
dispatch(obj);
|
|
};
|
|
/**
|
|
* listen to logs.
|
|
* @param cb that is called for each future log() with the Log object
|
|
* @return a function that can be called to unsubscribe the listener
|
|
*/
|
|
|
|
const listen = cb => {
|
|
subscribers.push(cb);
|
|
return () => {
|
|
const i = subscribers.indexOf(cb);
|
|
|
|
if (i !== -1) {
|
|
// equivalent of subscribers.splice(i, 1) // https://twitter.com/Rich_Harris/status/1125850391155965952
|
|
subscribers[i] = subscribers[subscribers.length - 1];
|
|
subscribers.pop();
|
|
}
|
|
};
|
|
};
|
|
|
|
function dispatch(log) {
|
|
for (let i = 0; i < subscribers.length; i++) {
|
|
try {
|
|
subscribers[i](log);
|
|
} catch (e) {
|
|
console.error(e);
|
|
}
|
|
}
|
|
} // for debug purpose
|
|
|
|
|
|
if (typeof window !== "undefined") {
|
|
window.__ledgerLogsListen = listen;
|
|
}
|
|
|
|
function wrapU2FTransportError(originalError, message, id) {
|
|
const err = new TransportError(message, id); // $FlowFixMe
|
|
|
|
err.originalError = originalError;
|
|
return err;
|
|
}
|
|
|
|
function wrapApdu(apdu, key) {
|
|
const result = Buffer.alloc(apdu.length);
|
|
|
|
for (let i = 0; i < apdu.length; i++) {
|
|
result[i] = apdu[i] ^ key[i % key.length];
|
|
}
|
|
|
|
return result;
|
|
} // Convert from normal to web-safe, strip trailing "="s
|
|
|
|
|
|
const webSafe64 = base64 => base64.replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, ""); // Convert from web-safe to normal, add trailing "="s
|
|
|
|
|
|
const normal64 = base64 => base64.replace(/-/g, "+").replace(/_/g, "/") + "==".substring(0, 3 * base64.length % 4);
|
|
|
|
function attemptExchange(apdu, timeoutMillis, scrambleKey, unwrap) {
|
|
const keyHandle = wrapApdu(apdu, scrambleKey);
|
|
const challenge = Buffer.from("0000000000000000000000000000000000000000000000000000000000000000", "hex");
|
|
const signRequest = {
|
|
version: "U2F_V2",
|
|
keyHandle: webSafe64(keyHandle.toString("base64")),
|
|
challenge: webSafe64(challenge.toString("base64")),
|
|
appId: location.origin
|
|
};
|
|
log("apdu", "=> " + apdu.toString("hex"));
|
|
return u2fApi_2(signRequest, timeoutMillis / 1000).then(response => {
|
|
const {
|
|
signatureData
|
|
} = response;
|
|
|
|
if (typeof signatureData === "string") {
|
|
const data = Buffer.from(normal64(signatureData), "base64");
|
|
let result;
|
|
|
|
if (!unwrap) {
|
|
result = data;
|
|
} else {
|
|
result = data.slice(5);
|
|
}
|
|
|
|
log("apdu", "<= " + result.toString("hex"));
|
|
return result;
|
|
} else {
|
|
throw response;
|
|
}
|
|
});
|
|
}
|
|
|
|
let transportInstances = [];
|
|
|
|
function emitDisconnect() {
|
|
transportInstances.forEach(t => t.emit("disconnect"));
|
|
transportInstances = [];
|
|
}
|
|
|
|
function isTimeoutU2FError(u2fError) {
|
|
return u2fError.metaData.code === 5;
|
|
}
|
|
/**
|
|
* U2F web Transport implementation
|
|
* @example
|
|
* import TransportU2F from "@ledgerhq/hw-transport-u2f";
|
|
* ...
|
|
* TransportU2F.create().then(transport => ...)
|
|
*/
|
|
|
|
|
|
class TransportU2F extends Transport {
|
|
/*
|
|
*/
|
|
|
|
/*
|
|
*/
|
|
|
|
/**
|
|
* static function to create a new Transport from a connected Ledger device discoverable via U2F (browser support)
|
|
*/
|
|
static async open(_, _openTimeout = 5000) {
|
|
return new TransportU2F();
|
|
}
|
|
|
|
constructor() {
|
|
super();
|
|
this.scrambleKey = void 0;
|
|
this.unwrap = true;
|
|
transportInstances.push(this);
|
|
}
|
|
/**
|
|
* Exchange with the device using APDU protocol.
|
|
* @param apdu
|
|
* @returns a promise of apdu response
|
|
*/
|
|
|
|
|
|
async exchange(apdu) {
|
|
try {
|
|
return await attemptExchange(apdu, this.exchangeTimeout, this.scrambleKey, this.unwrap);
|
|
} catch (e) {
|
|
const isU2FError = typeof e.metaData === "object";
|
|
|
|
if (isU2FError) {
|
|
if (isTimeoutU2FError(e)) {
|
|
emitDisconnect();
|
|
} // the wrapping make error more usable and "printable" to the end user.
|
|
|
|
|
|
throw wrapU2FTransportError(e, "Failed to sign with Ledger device: U2F " + e.metaData.type, "U2F_" + e.metaData.code);
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
*/
|
|
|
|
|
|
setScrambleKey(scrambleKey) {
|
|
this.scrambleKey = Buffer.from(scrambleKey, "ascii");
|
|
}
|
|
/**
|
|
*/
|
|
|
|
|
|
setUnwrap(unwrap) {
|
|
this.unwrap = unwrap;
|
|
}
|
|
|
|
close() {
|
|
// u2f have no way to clean things up
|
|
return Promise.resolve();
|
|
}
|
|
|
|
}
|
|
TransportU2F.isSupported = u2fApi_1;
|
|
|
|
TransportU2F.list = () => // this transport is not discoverable but we are going to guess if it is here with isSupported()
|
|
u2fApi_1().then(supported => supported ? [null] : []);
|
|
|
|
TransportU2F.listen = observer => {
|
|
let unsubscribed = false;
|
|
u2fApi_1().then(supported => {
|
|
if (unsubscribed) return;
|
|
|
|
if (supported) {
|
|
observer.next({
|
|
type: "add",
|
|
descriptor: null
|
|
});
|
|
observer.complete();
|
|
} else {
|
|
observer.error(new TransportError("U2F browser support is needed for Ledger. " + "Please use Chrome, Opera or Firefox with a U2F extension. " + "Also make sure you're on an HTTPS connection", "U2FNotSupported"));
|
|
}
|
|
});
|
|
return {
|
|
unsubscribe: () => {
|
|
unsubscribed = true;
|
|
}
|
|
};
|
|
};
|
|
|
|
"use strict";
|
|
const transports = {
|
|
"u2f": TransportU2F,
|
|
"default": TransportU2F
|
|
};
|
|
|
|
"use strict";
|
|
var __awaiter = (window && window.__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());
|
|
});
|
|
};
|
|
const logger = new ethers.utils.Logger(version);
|
|
const defaultPath = "m/44'/60'/0'/0/0";
|
|
function waiter(duration) {
|
|
return new Promise((resolve) => {
|
|
setTimeout(resolve, duration);
|
|
});
|
|
}
|
|
class LedgerSigner extends ethers.Signer {
|
|
constructor(provider, type, path) {
|
|
super();
|
|
if (path == null) {
|
|
path = defaultPath;
|
|
}
|
|
if (type == null) {
|
|
type = "default";
|
|
}
|
|
ethers.utils.defineReadOnly(this, "path", path);
|
|
ethers.utils.defineReadOnly(this, "type", type);
|
|
ethers.utils.defineReadOnly(this, "provider", provider || null);
|
|
const transport = transports[type];
|
|
if (!transport) {
|
|
logger.throwArgumentError("unknown or unsupported type", "type", type);
|
|
}
|
|
ethers.utils.defineReadOnly(this, "_eth", transport.create().then((transport) => {
|
|
const eth = new Eth(transport);
|
|
return eth.getAppConfiguration().then((config) => {
|
|
return eth;
|
|
}, (error) => {
|
|
return Promise.reject(error);
|
|
});
|
|
}, (error) => {
|
|
return Promise.reject(error);
|
|
}));
|
|
}
|
|
_retry(callback, timeout) {
|
|
return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
|
|
if (timeout && timeout > 0) {
|
|
setTimeout(() => { reject(new Error("timeout")); }, timeout);
|
|
}
|
|
const eth = yield this._eth;
|
|
// Wait up to 5 seconds
|
|
for (let i = 0; i < 50; i++) {
|
|
try {
|
|
const result = yield callback(eth);
|
|
return resolve(result);
|
|
}
|
|
catch (error) {
|
|
if (error.id !== "TransportLocked") {
|
|
return reject(error);
|
|
}
|
|
}
|
|
yield waiter(100);
|
|
}
|
|
return reject(new Error("timeout"));
|
|
}));
|
|
}
|
|
getAddress() {
|
|
return __awaiter(this, void 0, void 0, function* () {
|
|
const account = yield this._retry((eth) => eth.getAddress(this.path));
|
|
return ethers.utils.getAddress(account.address);
|
|
});
|
|
}
|
|
signMessage(message) {
|
|
return __awaiter(this, void 0, void 0, function* () {
|
|
if (typeof (message) === 'string') {
|
|
message = ethers.utils.toUtf8Bytes(message);
|
|
}
|
|
const messageHex = ethers.utils.hexlify(message).substring(2);
|
|
const sig = yield this._retry((eth) => eth.signPersonalMessage(this.path, messageHex));
|
|
sig.r = '0x' + sig.r;
|
|
sig.s = '0x' + sig.s;
|
|
return ethers.utils.joinSignature(sig);
|
|
});
|
|
}
|
|
signTransaction(transaction) {
|
|
return __awaiter(this, void 0, void 0, function* () {
|
|
const tx = transaction = yield ethers.utils.resolveProperties(transaction);
|
|
const unsignedTx = ethers.utils.serializeTransaction(tx).substring(2);
|
|
const sig = yield this._retry((eth) => eth.signTransaction(this.path, unsignedTx));
|
|
return ethers.utils.serializeTransaction(tx, {
|
|
v: sig.v,
|
|
r: ("0x" + sig.r),
|
|
s: ("0x" + sig.s),
|
|
});
|
|
});
|
|
}
|
|
connect(provider) {
|
|
return new LedgerSigner(provider, this.type, this.path);
|
|
}
|
|
}
|
|
|
|
"use strict";
|
|
|
|
export { LedgerSigner };
|