From c544dc28c549821fadc345eacf8d711f435a1282 Mon Sep 17 00:00:00 2001
From: michelkaporin <michel.kaporin@snyk.io>
Date: Thu, 23 Dec 2021 17:14:34 +0100
Subject: [PATCH] fix: getIpFamily not detecting IPv6 support

---
 src/constants.ts | 1 +
 src/http.ts      | 7 +++++--
 src/needle.ts    | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/constants.ts b/src/constants.ts
index f572b60b..d350dc6b 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -48,6 +48,7 @@ export const NETWORK_ERRORS = {
   ECONNRESET: ErrorCodes.connectionRefused,
   ENETUNREACH: ErrorCodes.connectionRefused,
   ENOTFOUND: ErrorCodes.dnsNotFound,
+  EADDRNOTAVAIL: ErrorCodes.dnsNotFound, // happens when DNS cannot resolve the IPv6
 };
 
 export const DEFAULT_ERROR_MESSAGES: { [P in ErrorCodes]: string } = {
diff --git a/src/http.ts b/src/http.ts
index 8d96fcd8..c6bf57d0 100644
--- a/src/http.ts
+++ b/src/http.ts
@@ -5,7 +5,7 @@ import { ErrorCodes, GenericErrorTypes, DEFAULT_ERROR_MESSAGES, MAX_RETRY_ATTEMP
 
 import { BundleFiles, SupportedFiles } from './interfaces/files.interface';
 import { AnalysisResult } from './interfaces/analysis-result.interface';
-import { makeRequest, Payload } from './needle';
+import { FailedResponse, makeRequest, Payload } from './needle';
 import { AnalysisOptions, AnalysisContext } from './interfaces/analysis-options.interface';
 
 type ResultSuccess<T> = { type: 'success'; value: T };
@@ -99,7 +99,10 @@ export async function getIpFamily(authHost: string): Promise<IpFamily> {
     },
     0,
   );
-  return res.success ? family : undefined;
+
+  const ipv6Incompatible = (<FailedResponse>res).errorCode == ErrorCodes.dnsNotFound;
+
+  return ipv6Incompatible ? undefined : family;
 }
 
 type CheckSessionErrorCodes = GenericErrorTypes | ErrorCodes.unauthorizedUser | ErrorCodes.loginInProgress;
diff --git a/src/needle.ts b/src/needle.ts
index 54876f6f..05dc3ef4 100644
--- a/src/needle.ts
+++ b/src/needle.ts
@@ -44,7 +44,7 @@ interface SuccessResponse<T> {
   success: true;
   body: T;
 }
-type FailedResponse = {
+export type FailedResponse = {
   success: false;
   errorCode: number;
 };