aladinnetwork-blockstack
Version:
The Aladin Javascript library for authentication, identity, and storage.
295 lines • 9.91 kB
JavaScript
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const url_1 = __importDefault(require("url"));
const bitcoinjs_lib_1 = require("bitcoinjs-lib");
const config_1 = require("./config");
const logger_1 = require("./logger");
/**
* @ignore
*/
exports.ALADIN_HANDLER = 'aladin';
/**
* Time
* @private
* @ignore
*/
function nextYear() {
return new Date(new Date().setFullYear(new Date().getFullYear() + 1));
}
exports.nextYear = nextYear;
/**
* Time
* @private
* @ignore
*/
function nextMonth() {
return new Date(new Date().setMonth(new Date().getMonth() + 1));
}
exports.nextMonth = nextMonth;
/**
* Time
* @private
* @ignore
*/
function nextHour() {
return new Date(new Date().setHours(new Date().getHours() + 1));
}
exports.nextHour = nextHour;
/**
* Query Strings
* @private
* @ignore
*/
function updateQueryStringParameter(uri, key, value) {
const re = new RegExp(`([?&])${key}=.*?(&|$)`, 'i');
const separator = uri.indexOf('?') !== -1 ? '&' : '?';
if (uri.match(re)) {
return uri.replace(re, `$1${key}=${value}$2`);
}
else {
return `${uri}${separator}${key}=${value}`;
}
}
exports.updateQueryStringParameter = updateQueryStringParameter;
/**
* Versioning
* @param {string} v1 - the left half of the version inequality
* @param {string} v2 - right half of the version inequality
* @returns {bool} iff v1 >= v2
* @private
* @ignore
*/
function isLaterVersion(v1, v2) {
if (v1 === undefined) {
v1 = '0.0.0';
}
if (v2 === undefined) {
v2 = '0.0.0';
}
const v1tuple = v1.split('.').map(x => parseInt(x, 10));
const v2tuple = v2.split('.').map(x => parseInt(x, 10));
for (let index = 0; index < v2.length; index++) {
if (index >= v1.length) {
v2tuple.push(0);
}
if (v1tuple[index] < v2tuple[index]) {
return false;
}
}
return true;
}
exports.isLaterVersion = isLaterVersion;
/**
* Time
* @private
* @ignore
*/
function hexStringToECPair(skHex) {
const ecPairOptions = {
network: config_1.config.network.layer1,
compressed: true
};
if (skHex.length === 66) {
if (skHex.slice(64) !== '01') {
throw new Error('Improperly formatted private-key hex string. 66-length hex usually '
+ 'indicates compressed key, but last byte must be == 1');
}
return bitcoinjs_lib_1.ECPair.fromPrivateKey(Buffer.from(skHex.slice(0, 64), 'hex'), ecPairOptions);
}
else if (skHex.length === 64) {
ecPairOptions.compressed = false;
return bitcoinjs_lib_1.ECPair.fromPrivateKey(Buffer.from(skHex, 'hex'), ecPairOptions);
}
else {
throw new Error('Improperly formatted private-key hex string: length should be 64 or 66.');
}
}
exports.hexStringToECPair = hexStringToECPair;
/**
*
* @ignore
*/
function ecPairToHexString(secretKey) {
const ecPointHex = secretKey.privateKey.toString('hex');
if (secretKey.compressed) {
return `${ecPointHex}01`;
}
else {
return ecPointHex;
}
}
exports.ecPairToHexString = ecPairToHexString;
/**
* Time
* @private
* @ignore
*/
function ecPairToAddress(keyPair) {
return bitcoinjs_lib_1.address.toBase58Check(bitcoinjs_lib_1.crypto.hash160(keyPair.publicKey), keyPair.network.pubKeyHash);
}
exports.ecPairToAddress = ecPairToAddress;
/**
* UUIDs
* @private
* @ignore
*/
function makeUUID4() {
let d = new Date().getTime();
if (typeof performance !== 'undefined' && typeof performance.now === 'function') {
d += performance.now(); // use high-precision timer if available
}
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
const r = (d + Math.random() * 16) % 16 | 0;
d = Math.floor(d / 16);
return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
});
}
exports.makeUUID4 = makeUUID4;
/**
* Checks if both urls pass the same origin check & are absolute
* @param {[type]} uri1 first uri to check
* @param {[type]} uri2 second uri to check
* @return {Boolean} true if they pass the same origin check
* @private
* @ignore
*/
function isSameOriginAbsoluteUrl(uri1, uri2) {
const parsedUri1 = url_1.default.parse(uri1);
const parsedUri2 = url_1.default.parse(uri2);
const port1 = parseInt(parsedUri1.port || '0', 10) | 0 || (parsedUri1.protocol === 'https:' ? 443 : 80);
const port2 = parseInt(parsedUri2.port || '0', 10) | 0 || (parsedUri2.protocol === 'https:' ? 443 : 80);
const match = {
scheme: parsedUri1.protocol === parsedUri2.protocol,
hostname: parsedUri1.hostname === parsedUri2.hostname,
port: port1 === port2,
absolute: (uri1.includes('http://') || uri1.includes('https://'))
&& (uri2.includes('http://') || uri2.includes('https://'))
};
return match.scheme && match.hostname && match.port && match.absolute;
}
exports.isSameOriginAbsoluteUrl = isSameOriginAbsoluteUrl;
/**
* Returns the global scope `Window`, `WorkerGlobalScope`, or `NodeJS.Global` if available in the
* currently executing environment.
* @see https://developer.mozilla.org/en-US/docs/Web/API/Window/self
* @see https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/self
* @see https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope
*
* This could be switched to `globalThis` once it is standardized and widely available.
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis
*/
function getGlobalScope() {
if (typeof self !== 'undefined') {
return self;
}
if (typeof window !== 'undefined') {
return window;
}
// This function is meant to be called when accessing APIs that are typically only available in
// web-browser/DOM environments, but we also want to support situations where running in Node.js
// environment, and a polyfill was added to the Node.js `global` object scope without adding the
// `window` global object as well.
if (typeof global !== 'undefined') {
return global;
}
throw new Error('Unexpected runtime environment - no supported global scope (`window`, `self`, `global`) available');
}
function getAPIUsageErrorMessage(scopeObject, apiName, usageDesc) {
if (usageDesc) {
return `Use of '${usageDesc}' requires \`${apiName}\` which is unavailable on the '${scopeObject}' object within the currently executing environment.`;
}
else {
return `\`${apiName}\` is unavailable on the '${scopeObject}' object within the currently executing environment.`;
}
}
/**
* Returns an object from the global scope (`Window` or `WorkerGlobalScope`) if it
* is available within the currently executing environment.
* When executing within the Node.js runtime these APIs are unavailable and will be
* `undefined` unless the API is provided via polyfill.
* @see https://developer.mozilla.org/en-US/docs/Web/API/Window/self
* @ignore
*/
function getGlobalObject(name, { throwIfUnavailable, usageDesc, returnEmptyObject } = {}) {
let globalScope;
try {
globalScope = getGlobalScope();
if (globalScope) {
const obj = globalScope[name];
if (obj) {
return obj;
}
}
}
catch (error) {
logger_1.Logger.error(`Error getting object '${name}' from global scope '${globalScope}': ${error}`);
}
if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, name, usageDesc);
logger_1.Logger.error(errMsg);
throw new Error(errMsg);
}
if (returnEmptyObject) {
return {};
}
return undefined;
}
exports.getGlobalObject = getGlobalObject;
/**
* Returns a specified subset of objects from the global scope (`Window` or `WorkerGlobalScope`)
* if they are available within the currently executing environment.
* When executing within the Node.js runtime these APIs are unavailable will be `undefined`
* unless the API is provided via polyfill.
* @see https://developer.mozilla.org/en-US/docs/Web/API/Window/self
* @ignore
*/
function getGlobalObjects(names, { throwIfUnavailable, usageDesc, returnEmptyObject } = {}) {
let globalScope;
try {
globalScope = getGlobalScope();
}
catch (error) {
logger_1.Logger.error(`Error getting global scope: ${error}`);
if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, names[0], usageDesc);
logger_1.Logger.error(errMsg);
throw errMsg;
}
else if (returnEmptyObject) {
globalScope = {};
}
}
const result = {};
for (let i = 0; i < names.length; i++) {
const name = names[i];
try {
if (globalScope) {
const obj = globalScope[name];
if (obj) {
result[name] = obj;
}
else if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, name, usageDesc);
logger_1.Logger.error(errMsg);
throw new Error(errMsg);
}
else if (returnEmptyObject) {
result[name] = {};
}
}
}
catch (error) {
if (throwIfUnavailable) {
const errMsg = getAPIUsageErrorMessage(globalScope, name, usageDesc);
logger_1.Logger.error(errMsg);
throw new Error(errMsg);
}
}
}
return result;
}
exports.getGlobalObjects = getGlobalObjects;
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