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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
import * as http from "http";
import * as https from "https";
import node_fetch from "node-fetch";
import {
CommonRequestInfo,
CommonRequestInit,
CommonResponse,
FetchHttpClient,
} from "./fetchHttpClient";
import { HttpOperationResponse } from "./httpOperationResponse";
import { WebResourceLike } from "./webResource";
import { createProxyAgent, ProxyAgent } from "./proxyAgent";
export class NodeFetchHttpClient extends FetchHttpClient {
async fetch(input: CommonRequestInfo, init?: CommonRequestInit): Promise<CommonResponse> {
return (node_fetch(input, init) as unknown) as Promise<CommonResponse>;
}
async prepareRequest(httpRequest: WebResourceLike): Promise<Partial<RequestInit>> {
const requestInit: Partial<RequestInit & { agent?: any }> = {};
if (httpRequest.agentSettings) {
const { http: httpAgent, https: httpsAgent } = httpRequest.agentSettings;
if (httpsAgent && httpRequest.url.startsWith("https")) {
requestInit.agent = httpsAgent;
} else if (httpAgent) {
requestInit.agent = httpAgent;
}
} else if (httpRequest.proxySettings) {
const tunnel: ProxyAgent = createProxyAgent(
httpRequest.url,
httpRequest.proxySettings,
httpRequest.headers
);
requestInit.agent = tunnel.agent;
}
if (httpRequest.keepAlive === true) {
if (requestInit.agent) {
requestInit.agent.keepAlive = true;
} else {
const options: http.AgentOptions | https.AgentOptions = { keepAlive: true };
const agent = httpRequest.url.startsWith("https")
? new https.Agent(options)
: new http.Agent(options);
requestInit.agent = agent;
}
}
return requestInit;
}
async processRequest(_operationResponse: HttpOperationResponse): Promise<void> {
/* no_op */
return;
}
}