feat: add option for disabling file downloads

src/node/cli.ts

@@ -542,6 +542,10 @@ export async function setDefaults(cliArgs: UserProvidedArgs, configArgs?: Config
     args.password = process.env.PASSWORD
   }
 
+  if (process.env.CS_DISABLE_FILE_DOWNLOADS) {
+    args["disable-file-downloads"] = true
+  }
+
   const usingEnvHashedPassword = !!process.env.HASHED_PASSWORD
   if (process.env.HASHED_PASSWORD) {
     args["hashed-password"] = process.env.HASHED_PASSWORD
@@ -556,6 +560,7 @@ export async function setDefaults(cliArgs: UserProvidedArgs, configArgs?: Config
   delete process.env.PASSWORD
   delete process.env.HASHED_PASSWORD
   delete process.env.GITHUB_TOKEN
+  delete process.env.CS_DISABLE_FILE_DOWNLOADS
 
   // Filter duplicate proxy domains and remove any leading `*.`.
   const proxyDomains = new Set((args["proxy-domain"] || []).map((d) => d.replace(/^\*\./, "")))

test/unit/node/cli.test.ts

@@ -349,6 +349,18 @@ describe("parser", () => {
     expect(process.env.GITHUB_TOKEN).toBe(undefined)
   })
 
+  it("should use env var CS_DISABLE_FILE_DOWNLOADS", async () => {
+    process.env.CS_DISABLE_FILE_DOWNLOADS = "0"
+    const args = parse([])
+    expect(args).toEqual({})
+
+    const defaultArgs = await setDefaults(args)
+    expect(defaultArgs).toEqual({
+      ...defaults,
+      "disable-file-downloads": true,
+    })
+  })
+
   it("should error if password passed in", () => {
     expect(() => parse(["--password", "supersecret123"])).toThrowError(
       "--password can only be set in the config file or passed in via $PASSWORD",