Configure HTTPS agent for proxies (#775)

- Some workflows require you to route openAI API traffic through a proxy
- See
https://github.com/openai/openai-node/tree/v4?tab=readme-ov-file#configuring-an-https-agent-eg-for-proxies
for more details

---------

Co-authored-by: Thibault Sottiaux <tibo@openai.com>
Co-authored-by: Fouad Matin <fouad@openai.com>

codex-cli/package.json

@@ -34,6 +34,7 @@
     "fast-npm-meta": "^0.4.2",
     "figures": "^6.1.0",
     "file-type": "^20.1.0",
+    "https-proxy-agent": "^7.0.6",
     "ink": "^5.2.0",
     "js-yaml": "^4.1.0",
     "marked": "^15.0.7",

codex-cli/src/utils/agent/agent-loop.ts

@@ -29,6 +29,7 @@ import {
   setSessionId,
 } from "../session.js";
 import { handleExecCommand } from "./handle-exec-command.js";
+import { HttpsProxyAgent } from "https-proxy-agent";
 import { randomUUID } from "node:crypto";
 import OpenAI, { APIConnectionTimeoutError } from "openai";
 
@@ -38,6 +39,9 @@ const RATE_LIMIT_RETRY_WAIT_MS = parseInt(
   10,
 );
 
+// See https://github.com/openai/openai-node/tree/v4?tab=readme-ov-file#configuring-an-https-agent-eg-for-proxies
+const PROXY_URL = process.env["HTTPS_PROXY"];
+
 export type CommandConfirmation = {
   review: ReviewDecision;
   applyPatch?: ApplyPatchCommand | undefined;
@@ -314,6 +318,7 @@ export class AgentLoop {
           : {}),
         ...(OPENAI_PROJECT ? { "OpenAI-Project": OPENAI_PROJECT } : {}),
       },
+      httpAgent: PROXY_URL ? new HttpsProxyAgent(PROXY_URL) : undefined,
       ...(timeoutMs !== undefined ? { timeout: timeoutMs } : {}),
     });
 

pnpm-lock.yaml

@@ -52,6 +52,9 @@ importers:
       file-type:
         specifier: ^20.1.0
         version: 20.4.1
+      https-proxy-agent:
+        specifier: ^7.0.6
+        version: 7.0.6
       ink:
         specifier: ^5.2.0
         version: 5.2.0(@types/react@18.3.20)(react@18.3.1)
@@ -680,6 +683,10 @@ packages:
     engines: {node: '>=0.4.0'}
     hasBin: true
 
+  agent-base@7.1.3:
+    resolution: {integrity: sha512-jRR5wdylq8CkOe6hei19GGZnxM6rBGwFl3Bg0YItGDimvjGtAvdZk4Pu6Cl4u4Igsws4a1fd1Vq3ezrhn4KmFw==}
+    engines: {node: '>= 14'}
+
   agentkeepalive@4.6.0:
     resolution: {integrity: sha512-kja8j7PjmncONqaTsB8fQ+wE2mSU2DJ9D4XKoJ5PFWIdRMa6SLSN1ff4mOr4jCbfRSsxR4keIiySJU0N9T5hIQ==}
     engines: {node: '>= 8.0.0'}
@@ -1383,6 +1390,10 @@ packages:
   highlight.js@10.7.3:
     resolution: {integrity: sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==}
 
+  https-proxy-agent@7.0.6:
+    resolution: {integrity: sha512-vK9P5/iUfdl95AI+JVyUuIcVtd4ofvtrOr3HNtM2yxC9bnMbEdp3x01OhQNnjb8IJYi38VlTE3mBXwcfvywuSw==}
+    engines: {node: '>= 14'}
+
   human-signals@5.0.0:
     resolution: {integrity: sha512-AXcZb6vzzrFAUE61HnN4mpLqd/cSIwNQjtNWR0euPm6y0iqx3G4gOXaIDdtdDwZmhwe82LA6+zinmW4UBWVePQ==}
     engines: {node: '>=16.17.0'}
@@ -2920,6 +2931,8 @@ snapshots:
 
   acorn@8.14.1: {}
 
+  agent-base@7.1.3: {}
+
   agentkeepalive@4.6.0:
     dependencies:
       humanize-ms: 1.2.1
@@ -3784,6 +3797,13 @@ snapshots:
 
   highlight.js@10.7.3: {}
 
+  https-proxy-agent@7.0.6:
+    dependencies:
+      agent-base: 7.1.3
+      debug: 4.4.0
+    transitivePeerDependencies:
+      - supports-color
+
   human-signals@5.0.0: {}
 
   humanize-ms@1.2.1: