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{"version":3,"file":"base.js","sources":["../../../src/proxy/base.ts"],"sourcesContent":["/**\n * This code was originally forked from https://github.com/TooTallNate/proxy-agents/tree/b133295fd16f6475578b6b15bd9b4e33ecb0d0b7\n * With the following licence:\n *\n * (The MIT License)\n *\n * Copyright (c) 2013 Nathan Rajlich <nathan@tootallnate.net>*\n *\n * Permission is hereby granted, free of charge, to any person obtaining\n * a copy of this software and associated documentation files (the\n * 'Software'), to deal in the Software without restriction, including\n * without limitation the rights to use, copy, modify, merge, publish,\n * distribute, sublicense, and/or sell copies of the Software, and to\n * permit persons to whom the Software is furnished to do so, subject to\n * the following conditions:*\n *\n * The above copyright notice and this permission notice shall be\n * included in all copies or substantial portions of the Software.*\n *\n * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,\n * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\n * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\n * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\n * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\n * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n */\n\n/* eslint-disable @typescript-eslint/explicit-member-accessibility */\n/* eslint-disable @typescript-eslint/member-ordering */\n/* eslint-disable jsdoc/require-jsdoc */\nimport * as http from 'http';\nimport type * as net from 'net';\nimport type { Duplex } from 'stream';\nimport type * as tls from 'tls';\n\nexport * from './helpers';\n\ninterface HttpConnectOpts extends net.TcpNetConnectOpts {\n secureEndpoint: false;\n protocol?: string;\n}\n\ninterface HttpsConnectOpts extends tls.ConnectionOptions {\n secureEndpoint: true;\n protocol?: string;\n port: number;\n}\n\nexport type AgentConnectOpts = HttpConnectOpts | HttpsConnectOpts;\n\nconst INTERNAL = Symbol('AgentBaseInternalState');\n\ninterface InternalState {\n defaultPort?: number;\n protocol?: string;\n currentSocket?: Duplex;\n}\n\nexport abstract class Agent extends http.Agent {\n private [INTERNAL]: InternalState;\n\n // Set by `http.Agent` - missing from `@types/node`\n options!: Partial<net.TcpNetConnectOpts & tls.ConnectionOptions>;\n keepAlive!: boolean;\n\n constructor(opts?: http.AgentOptions) {\n super(opts);\n this[INTERNAL] = {};\n }\n\n abstract connect(\n req: http.ClientRequest,\n options: AgentConnectOpts,\n ): Promise<Duplex | http.Agent> | Duplex | http.Agent;\n\n /**\n * Determine whether this is an `http` or `https` request.\n */\n isSecureEndpoint(options?: AgentConnectOpts): boolean {\n if (options) {\n // First check the `secureEndpoint` property explicitly, since this\n // means that a parent `Agent` is \"passing through\" to this instance.\n // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access\n if (typeof (options as any).secureEndpoint === 'boolean') {\n return options.secureEndpoint;\n }\n\n // If no explicit `secure` endpoint, check if `protocol` property is\n // set. This will usually be the case since using a full string URL\n // or `URL` instance should be the most common usage.\n if (typeof options.protocol === 'string') {\n return options.protocol === 'https:';\n }\n }\n\n // Finally, if no `protocol` property was set, then fall back to\n // checking the stack trace of the current call stack, and try to\n // detect the \"https\" module.\n const { stack } = new Error();\n if (typeof stack !== 'string') return false;\n return stack.split('\\n').some(l => l.indexOf('(https.js:') !== -1 || l.indexOf('node:https:') !== -1);\n }\n\n createSocket(req: http.ClientRequest, options: AgentConnectOpts, cb: (err: Error | null, s?: Duple
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