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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 | 1x 1x 1x 1x 1x 1x 8x 1x 8x 1x 5x 1x 1x 1x 78x 78x 26x 2x 24x 1x 45x 1x 1x 15x 15x 1x 88x 1x 21x 21x 651x 651x 651x 1x 32x 32x 32x 32x 32x 1x 22x 1x 23x 23x 1x 22x 1x | import * as url from 'url' import { ECPair, address, crypto } from 'bitcoinjs-lib' import { config } from './config' import { Logger } from './logger' /** * @ignore */ export const BLOCKSTACK_HANDLER = 'blockstack' /** * Time * @private * @ignore */ export function nextYear() { return new Date( new Date().setFullYear( new Date().getFullYear() + 1 ) ) } /** * Time * @private * @ignore */ export function nextMonth() { return new Date( new Date().setMonth( new Date().getMonth() + 1 ) ) } /** * Time * @private * @ignore */ export function nextHour() { return new Date( new Date().setHours( new Date().getHours() + 1 ) ) } /** * Query Strings * @private * @ignore */ export function updateQueryStringParameter(uri: string, key: string, value: string) { 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}=${value}` } } /** * Versioning * @param {string} v1 - the left half of the version inequality * @param {string} v2 - right half of the version inequality * @returns {bool} iff v1 >= v2 * @private * @ignore */ export function isLaterVersion(v1: string, v2: string) { if (v1 === undefined) { v1 = '0.0.0' } if (v2 === undefined) { v2 = '0.0.0' } const v1tuple = v1.split('.').map(x => parseInt(x, 10)) const v2tuple = v2.split('.').map(x => parseInt(x, 10)) for (let index = 0; index < v2.length; index++) { if (index >= v1.length) { v2tuple.push(0) } if (v1tuple[index] < v2tuple[index]) { return false } } return true } /** * Time * @private * @ignore */ export function hexStringToECPair(skHex: string): ECPair.ECPairInterface { const ecPairOptions = { network: config.network.layer1, compressed: true } if (skHex.length === 66) { if (skHex.slice(64) !== '01') { throw new Error('Improperly formatted private-key hex string. 66-length hex usually ' + 'indicates compressed key, but last byte must be == 1') } return ECPair.fromPrivateKey(Buffer.from(skHex.slice(0, 64), 'hex'), ecPairOptions) } else if (skHex.length === 64) { ecPairOptions.compressed = false return ECPair.fromPrivateKey(Buffer.from(skHex, 'hex'), ecPairOptions) } else { throw new Error('Improperly formatted private-key hex string: length should be 64 or 66.') } } /** * * @ignore */ export function ecPairToHexString(secretKey: ECPair.ECPairInterface) { const ecPointHex = secretKey.privateKey.toString('hex') if (secretKey.compressed) { return `${ecPointHex}01` } else { return ecPointHex } } /** * Time * @private * @ignore */ export function ecPairToAddress(keyPair: ECPair.ECPairInterface) { return address.toBase58Check(crypto.hash160(keyPair.publicKey), keyPair.network.pubKeyHash) } /** * UUIDs * @private * @ignore */ export 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) }) } /** * 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 */ export function isSameOriginAbsoluteUrl(uri1: string, uri2: string) { const parsedUri1 = url.parse(uri1) const parsedUri2 = url.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 } /** * 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(): Window { 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 as unknown) as Window } throw new Error('Unexpected runtime environment - no supported global scope (`window`, `self`, `global`) available') } function getAPIUsageErrorMessage( scopeObject: unknown, apiName: string, usageDesc?: string ): string { 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 '${scopeObject}' object within the currently executing environment.` } } interface GetGlobalObjectOptions { /** * Throw an error if the object is not found. * @default false */ throwIfUnavailable?: boolean; /** * Additional information to include in an error if thrown. */ usageDesc?: string; /** * If the object is not found, return an new empty object instead of undefined. * Requires [[throwIfUnavailable]] to be falsey. * @default false */ returnEmptyObject?: boolean; } /** * Returns an object from the global scope (`Window` or `WorkerGlobalScope`) if it * is available within the currently executing environment. * When executing within the Node.js runtime these APIs are unavailable and will be * `undefined` unless the API is provided via polyfill. * @see https://developer.mozilla.org/en-US/docs/Web/API/Window/self * @ignore */ export function getGlobalObject<K extends keyof Window>( name: K, { throwIfUnavailable, usageDesc, returnEmptyObject }: GetGlobalObjectOptions = { } ): Window[K] { let globalScope: Window try { globalScope = getGlobalScope() if (globalScope) { const obj = globalScope[name] if (obj) { return obj } } } catch (error) { Logger.error(`Error getting object '${name}' from global scope '${globalScope}': ${error}`) } if (throwIfUnavailable) { const errMsg = getAPIUsageErrorMessage(globalScope, name.toString(), usageDesc) Logger.error(errMsg) throw new Error(errMsg) } if (returnEmptyObject) { return {} } return undefined } /** * 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 */ export function getGlobalObjects<K extends keyof Window>( names: K[], { throwIfUnavailable, usageDesc, returnEmptyObject }: GetGlobalObjectOptions = {} ): Pick<Window, K> { let globalScope: Window try { globalScope = getGlobalScope() } catch (error) { Logger.error(`Error getting global scope: ${error}`) if (throwIfUnavailable) { const errMsg = getAPIUsageErrorMessage(globalScope, names[0].toString(), usageDesc) Logger.error(errMsg) throw errMsg } else if (returnEmptyObject) { globalScope = {} as any } } const result: Pick<Window, K> = {} as any 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.toString(), usageDesc) Logger.error(errMsg) throw new Error(errMsg) } else if (returnEmptyObject) { result[name] = {} } } } catch (error) { if (throwIfUnavailable) { const errMsg = getAPIUsageErrorMessage(globalScope, name.toString(), usageDesc) Logger.error(errMsg) throw new Error(errMsg) } } } return result } |