From d315ead7a7f6d531eb57cfa4350bb08949c60997 Mon Sep 17 00:00:00 2001
From: Neel Dani <neeldani@github.com>
Date: Tue, 2 Aug 2022 21:27:02 +0530
Subject: [PATCH] fix: gracefully exit login and publish commands on Ctrl+C
 (SIGINT) in the new webAuthn flow  (#5243)

---
 lib/utils/open-url-prompt.js      |  9 +++++++++
 test/lib/utils/open-url-prompt.js | 29 +++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/lib/utils/open-url-prompt.js b/lib/utils/open-url-prompt.js
index 3eb3ac288c035..290040e5d14aa 100644
--- a/lib/utils/open-url-prompt.js
+++ b/lib/utils/open-url-prompt.js
@@ -34,6 +34,11 @@ const promptOpen = async (npm, url, title, prompt, emitter) => {
   })
 
   const tryOpen = await new Promise(resolve => {
+    rl.on('SIGINT', () => {
+      rl.close()
+      resolve('SIGINT')
+    })
+
     rl.question(prompt, () => {
       resolve(true)
     })
@@ -50,6 +55,10 @@ const promptOpen = async (npm, url, title, prompt, emitter) => {
     }
   })
 
+  if (tryOpen === 'SIGINT') {
+    throw new Error('canceled')
+  }
+
   if (!tryOpen) {
     return
   }
diff --git a/test/lib/utils/open-url-prompt.js b/test/lib/utils/open-url-prompt.js
index 6908e36b7c81e..03f6b596d7643 100644
--- a/test/lib/utils/open-url-prompt.js
+++ b/test/lib/utils/open-url-prompt.js
@@ -28,6 +28,8 @@ const opener = (url, opts, cb) => {
 }
 
 let questionShouldResolve = true
+let openUrlPromptInterrupted = false
+
 const readline = {
   createInterface: () => ({
     question: (_q, cb) => {
@@ -36,6 +38,11 @@ const readline = {
       }
     },
     close: () => {},
+    on: (_signal, cb) => {
+      if (openUrlPromptInterrupted && _signal === 'SIGINT') {
+        cb()
+      }
+    },
   }),
 }
 
@@ -148,3 +155,25 @@ t.test('returns error when opener errors', async t => {
   )
   t.equal(openerUrl, 'https://www.npmjs.com', 'did not open')
 })
+
+t.test('throws "canceled" error on SIGINT', async t => {
+  t.teardown(() => {
+    openerUrl = null
+    openerOpts = null
+    OUTPUT.length = 0
+    questionShouldResolve = true
+    openUrlPromptInterrupted = false
+  })
+
+  questionShouldResolve = false
+  openUrlPromptInterrupted = true
+  const emitter = new EventEmitter()
+
+  const open = openUrlPrompt(npm, 'https://www.npmjs.com', 'npm home', 'prompt', emitter)
+
+  try {
+    await open
+  } catch (err) {
+    t.equal(err.message, 'canceled')
+  }
+})