168 lines
9.2 KiB
JavaScript
168 lines
9.2 KiB
JavaScript
"use strict";
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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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var __assign = (this && this.__assign) || Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var ILogger_1 = require("./ILogger");
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var ITransport_1 = require("./ITransport");
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var Utils_1 = require("./Utils");
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/** @private */
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var ServerSentEventsTransport = /** @class */ (function () {
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function ServerSentEventsTransport(httpClient, accessTokenFactory, logger, logMessageContent, eventSourceConstructor, withCredentials, headers) {
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this.httpClient = httpClient;
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this.accessTokenFactory = accessTokenFactory;
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this.logger = logger;
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this.logMessageContent = logMessageContent;
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this.withCredentials = withCredentials;
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this.eventSourceConstructor = eventSourceConstructor;
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this.headers = headers;
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this.onreceive = null;
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this.onclose = null;
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}
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ServerSentEventsTransport.prototype.connect = function (url, transferFormat) {
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return __awaiter(this, void 0, void 0, function () {
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var token;
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var _this = this;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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Utils_1.Arg.isRequired(url, "url");
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Utils_1.Arg.isRequired(transferFormat, "transferFormat");
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Utils_1.Arg.isIn(transferFormat, ITransport_1.TransferFormat, "transferFormat");
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this.logger.log(ILogger_1.LogLevel.Trace, "(SSE transport) Connecting.");
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// set url before accessTokenFactory because this.url is only for send and we set the auth header instead of the query string for send
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this.url = url;
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if (!this.accessTokenFactory) return [3 /*break*/, 2];
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return [4 /*yield*/, this.accessTokenFactory()];
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case 1:
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token = _a.sent();
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if (token) {
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url += (url.indexOf("?") < 0 ? "?" : "&") + ("access_token=" + encodeURIComponent(token));
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}
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_a.label = 2;
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case 2: return [2 /*return*/, new Promise(function (resolve, reject) {
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var opened = false;
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if (transferFormat !== ITransport_1.TransferFormat.Text) {
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reject(new Error("The Server-Sent Events transport only supports the 'Text' transfer format"));
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return;
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}
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var eventSource;
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if (Utils_1.Platform.isBrowser || Utils_1.Platform.isWebWorker) {
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eventSource = new _this.eventSourceConstructor(url, { withCredentials: _this.withCredentials });
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}
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else {
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// Non-browser passes cookies via the dictionary
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var cookies = _this.httpClient.getCookieString(url);
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var headers = {};
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headers.Cookie = cookies;
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var _a = Utils_1.getUserAgentHeader(), name_1 = _a[0], value = _a[1];
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headers[name_1] = value;
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eventSource = new _this.eventSourceConstructor(url, { withCredentials: _this.withCredentials, headers: __assign({}, headers, _this.headers) });
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}
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try {
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eventSource.onmessage = function (e) {
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if (_this.onreceive) {
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try {
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_this.logger.log(ILogger_1.LogLevel.Trace, "(SSE transport) data received. " + Utils_1.getDataDetail(e.data, _this.logMessageContent) + ".");
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_this.onreceive(e.data);
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}
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catch (error) {
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_this.close(error);
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return;
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}
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}
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};
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eventSource.onerror = function (e) {
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var error = new Error(e.data || "Error occurred");
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if (opened) {
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_this.close(error);
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}
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else {
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reject(error);
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}
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};
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eventSource.onopen = function () {
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_this.logger.log(ILogger_1.LogLevel.Information, "SSE connected to " + _this.url);
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_this.eventSource = eventSource;
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opened = true;
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resolve();
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};
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}
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catch (e) {
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reject(e);
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return;
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}
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})];
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}
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});
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});
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};
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ServerSentEventsTransport.prototype.send = function (data) {
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return __awaiter(this, void 0, void 0, function () {
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return __generator(this, function (_a) {
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if (!this.eventSource) {
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return [2 /*return*/, Promise.reject(new Error("Cannot send until the transport is connected"))];
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}
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return [2 /*return*/, Utils_1.sendMessage(this.logger, "SSE", this.httpClient, this.url, this.accessTokenFactory, data, this.logMessageContent, this.withCredentials, this.headers)];
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});
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});
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};
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ServerSentEventsTransport.prototype.stop = function () {
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this.close();
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return Promise.resolve();
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};
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ServerSentEventsTransport.prototype.close = function (e) {
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if (this.eventSource) {
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this.eventSource.close();
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this.eventSource = undefined;
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if (this.onclose) {
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this.onclose(e);
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}
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}
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};
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return ServerSentEventsTransport;
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}());
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exports.ServerSentEventsTransport = ServerSentEventsTransport;
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//# sourceMappingURL=ServerSentEventsTransport.js.map
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