87876a3e36
* Fix env proxy bootstrap for model traffic * Address proxy dispatcher review followups * Fix proxy env precedence for empty lowercase vars
56 lines
1.7 KiB
TypeScript
56 lines
1.7 KiB
TypeScript
export const PROXY_ENV_KEYS = [
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"HTTP_PROXY",
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"HTTPS_PROXY",
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"ALL_PROXY",
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"http_proxy",
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"https_proxy",
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"all_proxy",
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] as const;
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export function hasProxyEnvConfigured(env: NodeJS.ProcessEnv = process.env): boolean {
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for (const key of PROXY_ENV_KEYS) {
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const value = env[key];
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if (typeof value === "string" && value.trim().length > 0) {
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return true;
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}
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}
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return false;
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}
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function normalizeProxyEnvValue(value: string | undefined): string | null | undefined {
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if (typeof value !== "string") {
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return undefined;
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}
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const trimmed = value.trim();
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return trimmed.length > 0 ? trimmed : null;
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}
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/**
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* Match undici EnvHttpProxyAgent semantics for env-based HTTP/S proxy selection:
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* - lower-case vars take precedence over upper-case
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* - HTTPS requests prefer https_proxy/HTTPS_PROXY, then fall back to http_proxy/HTTP_PROXY
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* - ALL_PROXY is ignored by EnvHttpProxyAgent
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*/
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export function resolveEnvHttpProxyUrl(
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protocol: "http" | "https",
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env: NodeJS.ProcessEnv = process.env,
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): string | undefined {
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const lowerHttpProxy = normalizeProxyEnvValue(env.http_proxy);
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const lowerHttpsProxy = normalizeProxyEnvValue(env.https_proxy);
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const httpProxy =
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lowerHttpProxy !== undefined ? lowerHttpProxy : normalizeProxyEnvValue(env.HTTP_PROXY);
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const httpsProxy =
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lowerHttpsProxy !== undefined ? lowerHttpsProxy : normalizeProxyEnvValue(env.HTTPS_PROXY);
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if (protocol === "https") {
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return httpsProxy ?? httpProxy ?? undefined;
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}
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return httpProxy ?? undefined;
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}
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export function hasEnvHttpProxyConfigured(
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protocol: "http" | "https" = "https",
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env: NodeJS.ProcessEnv = process.env,
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): boolean {
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return resolveEnvHttpProxyUrl(protocol, env) !== undefined;
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}
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