Update proxy.test.ts

This reverts commit 8d92c9c903.

packages/cache/RELEASES.md

@@ -114,4 +114,7 @@
 - Fix issue with symlink restoration on windows.
 
 ### 3.1.3
-- Fix to prevent from setting MYSYS environement variable globally [#1329](https://github.com/actions/toolkit/pull/1329).
+- Fix to prevent from setting MYSYS environement variable globally [#1329](https://github.com/actions/toolkit/pull/1329).
+
+### 3.1.4
+- Fix zstd not being used due to `zstd --version` output change in zstd 1.5.4 release. See [#1353](https://github.com/actions/toolkit/pull/1353).

packages/cache/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@actions/cache",
-  "version": "3.1.3",
+  "version": "3.1.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@actions/cache",
-      "version": "3.1.3",
+      "version": "3.1.4",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.10.0",

packages/cache/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actions/cache",
-  "version": "3.1.3",
+  "version": "3.1.4",
   "preview": true,
   "description": "Actions cache lib",
   "keywords": [

packages/cache/src/internal/cacheUtils.ts

@@ -71,11 +71,15 @@ export async function unlinkFile(filePath: fs.PathLike): Promise<void> {
   return util.promisify(fs.unlink)(filePath)
 }
 
-async function getVersion(app: string): Promise<string> {
-  core.debug(`Checking ${app} --version`)
+async function getVersion(
+  app: string,
+  additionalArgs: string[] = []
+): Promise<string> {
   let versionOutput = ''
+  additionalArgs.push('--version')
+  core.debug(`Checking ${app} ${additionalArgs.join(' ')}`)
   try {
-    await exec.exec(`${app} --version`, [], {
+    await exec.exec(`${app}`, additionalArgs, {
       ignoreReturnCode: true,
       silent: true,
       listeners: {
@@ -94,18 +98,14 @@ async function getVersion(app: string): Promise<string> {
 
 // Use zstandard if possible to maximize cache performance
 export async function getCompressionMethod(): Promise<CompressionMethod> {
-  const versionOutput = await getVersion('zstd')
+  const versionOutput = await getVersion('zstd', ['--quiet'])
   const version = semver.clean(versionOutput)
+  core.debug(`zstd version: ${version}`)
 
-  if (!versionOutput.toLowerCase().includes('zstd command line interface')) {
-    // zstd is not installed
+  if (versionOutput === '') {
     return CompressionMethod.Gzip
-  } else if (!version || semver.lt(version, 'v1.3.2')) {
-    // zstd is installed but using a version earlier than v1.3.2
-    // v1.3.2 is required to use the `--long` options in zstd
-    return CompressionMethod.ZstdWithoutLong
   } else {
-    return CompressionMethod.Zstd
+    return CompressionMethod.ZstdWithoutLong
   }
 }
 

packages/http-client/__tests__/proxy.test.ts

@@ -237,6 +237,31 @@ describe('proxy', () => {
     expect(_proxyConnects).toHaveLength(0)
   })
 
+  it('HttpClient bypasses proxy for loopback addresses (localhost, ::1, 127.*)', async () => {
+    // setup a server listening on localhost:8091
+    const server = http.createServer((request, response) => {
+      response.writeHead(200)
+      request.pipe(response)
+    })
+    server.listen(8091)
+    try {
+      process.env['http_proxy'] = _proxyUrl
+      const httpClient = new httpm.HttpClient()
+      let res = await httpClient.get('http://localhost:8091')
+      expect(res.message.statusCode).toBe(200)
+      res = await httpClient.get('http://127.0.0.1:8091')
+      expect(res.message.statusCode).toBe(200)
+
+      // no support for ipv6 for now
+      expect(httpClient.get('http://[::1]:8091')).rejects.toThrow()
+
+      // proxy at _proxyUrl was ignored
+      expect(_proxyConnects).toEqual([])
+    } finally {
+      server.close()
+    }
+  })
+
   it('proxyAuth not set in tunnel agent when authentication is not provided', async () => {
     process.env['https_proxy'] = 'http://127.0.0.1:8080'
     const httpClient = new httpm.HttpClient()

packages/http-client/src/proxy.ts

@@ -25,6 +25,11 @@ export function checkBypass(reqUrl: URL): boolean {
     return false
   }
 
+  const reqHost = reqUrl.hostname
+  if (isLoopbackAddress(reqHost)) {
+    return true
+  }
+
   const noProxy = process.env['no_proxy'] || process.env['NO_PROXY'] || ''
   if (!noProxy) {
     return false
@@ -66,3 +71,13 @@ export function checkBypass(reqUrl: URL): boolean {
 
   return false
 }
+
+function isLoopbackAddress(host: string): boolean {
+  const hostLower = host.toLowerCase()
+  return (
+    hostLower === 'localhost' ||
+    hostLower.startsWith('127.') ||
+    hostLower.startsWith('[::1]') ||
+    hostLower.startsWith('[0:0:0:0:0:0:0:1]')
+  )
+}