88 lines
3.0 KiB
TypeScript
88 lines
3.0 KiB
TypeScript
// 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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import { AbortError, HttpError, TimeoutError } from "./Errors";
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import { HttpClient, HttpRequest, HttpResponse } from "./HttpClient";
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import { ILogger, LogLevel } from "./ILogger";
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export class XhrHttpClient extends HttpClient {
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private readonly logger: ILogger;
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public constructor(logger: ILogger) {
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super();
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this.logger = logger;
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}
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/** @inheritDoc */
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public send(request: HttpRequest): Promise<HttpResponse> {
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// Check that abort was not signaled before calling send
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if (request.abortSignal && request.abortSignal.aborted) {
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return Promise.reject(new AbortError());
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}
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if (!request.method) {
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return Promise.reject(new Error("No method defined."));
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}
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if (!request.url) {
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return Promise.reject(new Error("No url defined."));
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}
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return new Promise<HttpResponse>((resolve, reject) => {
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const xhr = new XMLHttpRequest();
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xhr.open(request.method!, request.url!, true);
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xhr.withCredentials = true;
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xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
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// Explicitly setting the Content-Type header for React Native on Android platform.
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xhr.setRequestHeader("Content-Type", "text/plain;charset=UTF-8");
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const headers = request.headers;
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if (headers) {
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Object.keys(headers)
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.forEach((header) => {
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xhr.setRequestHeader(header, headers[header]);
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});
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}
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if (request.responseType) {
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xhr.responseType = request.responseType;
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}
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if (request.abortSignal) {
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request.abortSignal.onabort = () => {
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xhr.abort();
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reject(new AbortError());
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};
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}
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if (request.timeout) {
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xhr.timeout = request.timeout;
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}
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xhr.onload = () => {
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if (request.abortSignal) {
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request.abortSignal.onabort = null;
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}
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if (xhr.status >= 200 && xhr.status < 300) {
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resolve(new HttpResponse(xhr.status, xhr.statusText, xhr.response || xhr.responseText));
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} else {
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reject(new HttpError(xhr.statusText, xhr.status));
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}
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};
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xhr.onerror = () => {
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this.logger.log(LogLevel.Warning, `Error from HTTP request. ${xhr.status}: ${xhr.statusText}`);
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reject(new HttpError(xhr.statusText, xhr.status));
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};
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xhr.ontimeout = () => {
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this.logger.log(LogLevel.Warning, `Timeout from HTTP request.`);
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reject(new TimeoutError());
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};
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xhr.send(request.content || "");
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});
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}
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}
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