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codeql-action/node_modules/@azure/ms-rest-js/lib/proxyAgent.ts
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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 * as tunnel from "tunnel"; | |
import { ProxySettings } from "./serviceClient"; | |
import { URLBuilder } from "./url"; | |
import { HttpHeadersLike } from "./httpHeaders"; | |
export type ProxyAgent = { isHttps: boolean; agent: http.Agent | https.Agent }; | |
export function createProxyAgent( | |
requestUrl: string, | |
proxySettings: ProxySettings, | |
headers?: HttpHeadersLike | |
): ProxyAgent { | |
const tunnelOptions: tunnel.HttpsOverHttpsOptions = { | |
proxy: { | |
host: URLBuilder.parse(proxySettings.host).getHost() as string, | |
port: proxySettings.port, | |
headers: (headers && headers.rawHeaders()) || {}, | |
}, | |
}; | |
if (proxySettings.username && proxySettings.password) { | |
tunnelOptions.proxy!.proxyAuth = `${proxySettings.username}:${proxySettings.password}`; | |
} else if (proxySettings.username) { | |
tunnelOptions.proxy!.proxyAuth = `${proxySettings.username}`; | |
} | |
const requestScheme = URLBuilder.parse(requestUrl).getScheme() || ""; | |
const isRequestHttps = requestScheme.toLowerCase() === "https"; | |
const proxyScheme = URLBuilder.parse(proxySettings.host).getScheme() || ""; | |
const isProxyHttps = proxyScheme.toLowerCase() === "https"; | |
const proxyAgent = { | |
isHttps: isRequestHttps, | |
agent: createTunnel(isRequestHttps, isProxyHttps, tunnelOptions), | |
}; | |
return proxyAgent; | |
} | |
// Duplicate tunnel.HttpsOverHttpsOptions to avoid exporting createTunnel() with dependency on @types/tunnel | |
// createIunnel() is only imported by tests. | |
export interface HttpsProxyOptions { | |
host: string; | |
port: number; | |
localAddress?: string; | |
proxyAuth?: string; | |
headers?: { [key: string]: any }; | |
ca?: Buffer[]; | |
servername?: string; | |
key?: Buffer; | |
cert?: Buffer; | |
} | |
interface HttpsOverHttpsOptions { | |
maxSockets?: number; | |
ca?: Buffer[]; | |
key?: Buffer; | |
cert?: Buffer; | |
proxy?: HttpsProxyOptions; | |
} | |
export function createTunnel( | |
isRequestHttps: boolean, | |
isProxyHttps: boolean, | |
tunnelOptions: HttpsOverHttpsOptions | |
): http.Agent | https.Agent { | |
if (isRequestHttps && isProxyHttps) { | |
return tunnel.httpsOverHttps(tunnelOptions); | |
} else if (isRequestHttps && !isProxyHttps) { | |
return tunnel.httpsOverHttp(tunnelOptions); | |
} else if (!isRequestHttps && isProxyHttps) { | |
return tunnel.httpOverHttps(tunnelOptions); | |
} else { | |
return tunnel.httpOverHttp(tunnelOptions); | |
} | |
} |