UNPKG

urllib

Version:

Help in opening URLs (mostly HTTP) in a complex world — basic and digest authentication, redirections, timeout and more. Base undici API.

283 lines 22.6 kB
"use strict"; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.parseJSON = parseJSON; exports.digestAuthHeader = digestAuthHeader; exports.globalId = globalId; exports.performanceTime = performanceTime; exports.isReadable = isReadable; exports.updateSocketInfo = updateSocketInfo; exports.convertHeader = convertHeader; exports.patchForNode16 = patchForNode16; const node_buffer_1 = require("node:buffer"); const node_crypto_1 = require("node:crypto"); const node_perf_hooks_1 = require("node:perf_hooks"); const node_stream_1 = require("node:stream"); const web_1 = require("node:stream/web"); const node_util_1 = require("node:util"); const symbols_js_1 = __importDefault(require("./symbols.js")); const JSONCtlCharsMap = { '"': '\\"', // \u0022 '\\': '\\\\', // \u005c '\b': '\\b', // \u0008 '\f': '\\f', // \u000c '\n': '\\n', // \u000a '\r': '\\r', // \u000d '\t': '\\t', // \u0009 }; /* eslint no-control-regex: "off"*/ const JSONCtlCharsRE = /[\u0000-\u001F\u005C]/g; function replaceOneChar(c) { return JSONCtlCharsMap[c] || '\\u' + (c.charCodeAt(0) + 0x10000).toString(16).substring(1); } function replaceJSONCtlChars(value) { return value.replace(JSONCtlCharsRE, replaceOneChar); } function parseJSON(data, fixJSONCtlChars) { if (typeof fixJSONCtlChars === 'function') { data = fixJSONCtlChars(data); } else if (fixJSONCtlChars) { // https://github.com/node-modules/urllib/pull/77 // remote the control characters (U+0000 through U+001F) data = replaceJSONCtlChars(data); } try { data = JSON.parse(data); } catch (err) { if (err.name === 'SyntaxError') { err.name = 'JSONResponseFormatError'; } if (data.length > 1024) { // show 0~512 ... -512~end data err.message += ' (data json format: ' + JSON.stringify(data.slice(0, 512)) + ' ...skip... ' + JSON.stringify(data.slice(data.length - 512)) + ')'; } else { err.message += ' (data json format: ' + JSON.stringify(data) + ')'; } throw err; } return data; } function md5(s) { const sum = (0, node_crypto_1.createHash)('md5'); sum.update(s, 'utf8'); return sum.digest('hex'); } const AUTH_KEY_VALUE_RE = /(\w{1,100})=["']?([^'"]+)["']?/; let NC = 0; const NC_PAD = '00000000'; function digestAuthHeader(method, uri, wwwAuthenticate, userpass) { // WWW-Authenticate: Digest realm="testrealm@host.com", // qop="auth,auth-int", // nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", // opaque="5ccc069c403ebaf9f0171e9517f40e41" // Authorization: Digest username="Mufasa", // realm="testrealm@host.com", // nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093", // uri="/dir/index.html", // qop=auth, // nc=00000001, // cnonce="0a4f113b", // response="6629fae49393a05397450978507c4ef1", // opaque="5ccc069c403ebaf9f0171e9517f40e41" // HA1 = MD5( "Mufasa:testrealm@host.com:Circle Of Life" ) // = 939e7578ed9e3c518a452acee763bce9 // // HA2 = MD5( "GET:/dir/index.html" ) // = 39aff3a2bab6126f332b942af96d3366 // // Response = MD5( "939e7578ed9e3c518a452acee763bce9:\ // dcd98b7102dd2f0e8b11d0f600bfb0c093:\ // 00000001:0a4f113b:auth:\ // 39aff3a2bab6126f332b942af96d3366" ) // = 6629fae49393a05397450978507c4ef1 const parts = wwwAuthenticate.split(','); const opts = {}; for (const part of parts) { const m = part.match(AUTH_KEY_VALUE_RE); if (m) { opts[m[1]] = m[2].replace(/["']/g, ''); } } if (!opts.realm || !opts.nonce) { return ''; } let qop = opts.qop || ''; const index = userpass.indexOf(':'); const user = userpass.substring(0, index); const pass = userpass.substring(index + 1); let nc = String(++NC); nc = `${NC_PAD.substring(nc.length)}${nc}`; const cnonce = (0, node_crypto_1.randomBytes)(8).toString('hex'); const ha1 = md5(`${user}:${opts.realm}:${pass}`); const ha2 = md5(`${method.toUpperCase()}:${uri}`); let s = `${ha1}:${opts.nonce}`; if (qop) { qop = qop.split(',')[0]; s += `:${nc}:${cnonce}:${qop}`; } s += `:${ha2}`; const response = md5(s); let authstring = `Digest username="${user}", realm="${opts.realm}", nonce="${opts.nonce}", uri="${uri}", response="${response}"`; if (opts.opaque) { authstring += `, opaque="${opts.opaque}"`; } if (qop) { authstring += `, qop=${qop}, nc=${nc}, cnonce="${cnonce}"`; } return authstring; } const MAX_ID_VALUE = Math.pow(2, 31) - 10; const globalIds = {}; function globalId(category) { if (!globalIds[category] || globalIds[category] >= MAX_ID_VALUE) { globalIds[category] = 0; } return ++globalIds[category]; } function performanceTime(startTime, now) { return Math.floor(((now ?? node_perf_hooks_1.performance.now()) - startTime) * 1000) / 1000; } function isReadable(stream) { if (typeof node_stream_1.Readable.isReadable === 'function') return node_stream_1.Readable.isReadable(stream); // patch from node // https://github.com/nodejs/node/blob/1287530385137dda1d44975063217ccf90759475/lib/internal/streams/utils.js#L119 // simple way https://github.com/sindresorhus/is-stream/blob/main/index.js return (stream !== null && typeof stream === 'object' && typeof stream.pipe === 'function' && stream.readable !== false && typeof stream._read === 'function' && typeof stream._readableState === 'object'); } function updateSocketInfo(socketInfo, internalOpaque, err) { const socket = internalOpaque[symbols_js_1.default.kRequestSocket] ?? err?.[symbols_js_1.default.kErrorSocket]; if (socket) { socketInfo.id = socket[symbols_js_1.default.kSocketId]; socketInfo.handledRequests = socket[symbols_js_1.default.kHandledRequests]; socketInfo.handledResponses = socket[symbols_js_1.default.kHandledResponses]; if (socket[symbols_js_1.default.kSocketLocalAddress]) { socketInfo.localAddress = socket[symbols_js_1.default.kSocketLocalAddress]; socketInfo.localPort = socket[symbols_js_1.default.kSocketLocalPort]; } if (socket.remoteAddress) { socketInfo.remoteAddress = socket.remoteAddress; socketInfo.remotePort = socket.remotePort; socketInfo.remoteFamily = socket.remoteFamily; } if (Array.isArray(socket.autoSelectFamilyAttemptedAddresses)) { socketInfo.attemptedRemoteAddresses = socket.autoSelectFamilyAttemptedAddresses; } socketInfo.bytesRead = socket.bytesRead; socketInfo.bytesWritten = socket.bytesWritten; if (socket[symbols_js_1.default.kSocketConnectErrorTime]) { socketInfo.connectErrorTime = socket[symbols_js_1.default.kSocketConnectErrorTime]; socketInfo.connectProtocol = socket[symbols_js_1.default.kSocketConnectProtocol]; socketInfo.connectHost = socket[symbols_js_1.default.kSocketConnectHost]; socketInfo.connectPort = socket[symbols_js_1.default.kSocketConnectPort]; } if (socket[symbols_js_1.default.kSocketConnectedTime]) { socketInfo.connectedTime = socket[symbols_js_1.default.kSocketConnectedTime]; } if (socket[symbols_js_1.default.kSocketRequestEndTime]) { socketInfo.lastRequestEndTime = socket[symbols_js_1.default.kSocketRequestEndTime]; } socket[symbols_js_1.default.kSocketRequestEndTime] = new Date(); } } function convertHeader(headers) { const res = {}; for (const [key, value] of headers.entries()) { if (res[key]) { if (!Array.isArray(res[key])) { res[key] = [res[key]]; } res[key].push(value); } else { res[key] = value; } } return res; } // support require from Node.js 16 function patchForNode16() { if (typeof global.ReadableStream === 'undefined') { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore global.ReadableStream = web_1.ReadableStream; } if (typeof global.TransformStream === 'undefined') { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore global.TransformStream = web_1.TransformStream; } if (typeof global.Blob === 'undefined') { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore global.Blob = node_buffer_1.Blob; } if (typeof global.DOMException === 'undefined') { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore global.DOMException = getDOMExceptionClass(); } // multi undici version in node version less than 20 https://github.com/nodejs/undici/issues/4374 if (typeof global.File === 'undefined') { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore global.File = node_buffer_1.File; } // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore if (String.prototype.toWellFormed === undefined) { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore Object.defineProperty(String.prototype, 'toWellFormed', { value: function () { return (0, node_util_1.toUSVString)(this); }, enumerable: false, configurable: true, writable: true, }); } // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore if (String.prototype.isWellFormed === undefined) { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore Object.defineProperty(String.prototype, 'isWellFormed', { value: function () { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore return (0, node_util_1.toUSVString)(this) === this; }, enumerable: false, configurable: true, writable: true, }); } } // https://github.com/jimmywarting/node-domexception/blob/main/index.js function getDOMExceptionClass() { try { // eslint-disable-next-line @typescript-eslint/ban-ts-comment // @ts-ignore atob(0); } catch (err) { return err.constructor; } } //# 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