opencode/packages/opencode/src/util/proxy-env.ts at dev · argszero/opencode · GitHub

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* Adapted from proxy-from-env: https://github.com/Rob--W/proxy-from-env

* The MIT License

* Permission is hereby granted, free of charge, to any person obtaining a copy of

* this software and associated documentation files (the "Software"), to deal in

* the Software without restriction, including without limitation the rights to

* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies

* of the Software, and to permit persons to whom the Software is furnished to do

* so, subject to the following conditions:

* The above copyright notice and this permission notice shall be included in all

* copies or substantial portions of the Software.

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

* SOFTWARE.

const DEFAULT_PORTS: Record<string, number> = {

ftp: 21,

gopher: 70,

http: 80,

https: 443,

ws: 80,

wss: 443,

}

export function getProxyForUrl(input: string | URL) {

const url = typeof input === "string" ? (URL.canParse(input) ? new URL(input) : undefined) : input

if (!url) return

const protocol = url.protocol.split(":", 1)[0]

const hostname = url.host.replace(/:\d*$/, "")

const port = Number.parseInt(url.port) || DEFAULT_PORTS[protocol] || 0

if (!shouldProxy(hostname, port)) return

const proxy = env(`${protocol}_proxy`) || env("all_proxy")

if (!proxy) return

return proxy.includes("://") ? proxy : `${protocol}://${proxy}`

}

function shouldProxy(hostname: string, port: number) {

const noProxy = env("no_proxy").toLowerCase()

if (!noProxy) return true

if (noProxy === "*") return false

return noProxy.split(/[,\s]/).every((proxy) => {

if (!proxy) return true

const parsed = proxy.match(/^(.+):(\d+)$/)

const proxyHostname = parsed ? parsed[1] : proxy

const proxyPort = parsed ? Number.parseInt(parsed[2]) : 0

if (proxyPort && proxyPort !== port) return true

if (!/^[.*]/.test(proxyHostname)) return hostname !== proxyHostname

return !hostname.endsWith(proxyHostname.startsWith("*") ? proxyHostname.slice(1) : proxyHostname)

})

}

function env(key: string) {

return process.env[key.toLowerCase()] || process.env[key.toUpperCase()] || ""

}

export * as ProxyEnv from "./proxy-env"

opencode/packages/opencode/src/util/proxy-env.ts at dev · argszero/opencode · GitHub

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