aspnetcore/clients/ts/signalr/src/NodeHttpClient.ts

80 lines
3.1 KiB
TypeScript

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
import * as Request from "request";
import { AbortError, HttpError, TimeoutError } from "./Errors";
import { HttpClient, HttpRequest, HttpResponse } from "./HttpClient";
import { ILogger, LogLevel } from "./ILogger";
import { isArrayBuffer } from "./Utils";
export class NodeHttpClient extends HttpClient {
private readonly logger: ILogger;
private readonly request: Request.RequestAPI<Request.Request, Request.CoreOptions, Request.RequiredUriUrl>;
private readonly cookieJar: Request.CookieJar;
public constructor(logger: ILogger) {
super();
this.logger = logger;
this.cookieJar = Request.jar();
this.request = Request.defaults({ jar: this.cookieJar });
}
public send(httpRequest: HttpRequest): Promise<HttpResponse> {
return new Promise<HttpResponse>((resolve, reject) => {
let requestBody: Buffer | string;
if (isArrayBuffer(httpRequest.content)) {
requestBody = Buffer.from(httpRequest.content);
} else {
requestBody = httpRequest.content || "";
}
const currentRequest = this.request(httpRequest.url!, {
body: requestBody,
// If binary is expected 'null' should be used, otherwise for text 'utf8'
encoding: httpRequest.responseType === "arraybuffer" ? null : "utf8",
headers: {
// Tell auth middleware to 401 instead of redirecting
"X-Requested-With": "XMLHttpRequest",
...httpRequest.headers,
},
method: httpRequest.method,
timeout: httpRequest.timeout,
},
(error, response, body) => {
if (httpRequest.abortSignal) {
httpRequest.abortSignal.onabort = null;
}
if (error) {
if (error.code === "ETIMEDOUT") {
this.logger.log(LogLevel.Warning, `Timeout from HTTP request.`);
reject(new TimeoutError());
}
this.logger.log(LogLevel.Warning, `Error from HTTP request. ${error}`);
reject(error);
return;
}
if (response.statusCode >= 200 && response.statusCode < 300) {
resolve(new HttpResponse(response.statusCode, response.statusMessage || "", body));
} else {
reject(new HttpError(response.statusMessage || "", response.statusCode || 0));
}
});
if (httpRequest.abortSignal) {
httpRequest.abortSignal.onabort = () => {
currentRequest.abort();
reject(new AbortError());
};
}
});
}
public getCookieString(url: string): string {
return this.cookieJar.getCookieString(url);
}
}