fix: add no_proxy for localhost traffic

cliv2/internal/cliv2/cliv2.go

@@ -249,6 +249,7 @@ func PrepareV1EnvironmentVariables(input []string, integrationName string, integ
 		inputAsMap[constants.SNYK_HTTPS_PROXY_ENV] = proxyAddress
 		inputAsMap[constants.SNYK_HTTP_PROXY_ENV] = proxyAddress
 		inputAsMap[constants.SNYK_CA_CERTIFICATE_LOCATION_ENV] = caCertificateLocation
+		inputAsMap[constants.SNYK_HTTP_NO_PROXY_ENV] = constants.SNYK_INTERNAL_NO_PROXY
 
 		result = utils.ToSlice(inputAsMap, "=")
 	}

cliv2/internal/cliv2/cliv2_test.go

@@ -21,7 +21,7 @@ func Test_PrepareV1EnvironmentVariables_Fill_and_Filter(t *testing.T) {
 		"something=1",
 		"in=2",
 		"here=3=2",
-		"no_proxy=noProxy",
+		"NO_PROXY=noProxy",
 		"HTTPS_PROXY=httpsProxy",
 		"HTTP_PROXY=httpProxy",
 		"NPM_CONFIG_PROXY=something",
@@ -41,6 +41,7 @@ func Test_PrepareV1EnvironmentVariables_Fill_and_Filter(t *testing.T) {
 		"SNYK_SYSTEM_NO_PROXY=noProxy",
 		"SNYK_SYSTEM_HTTP_PROXY=httpProxy",
 		"SNYK_SYSTEM_HTTPS_PROXY=httpsProxy",
+		"NO_PROXY=" + constants.SNYK_INTERNAL_NO_PROXY,
 	}
 
 	actual, err := cliv2.PrepareV1EnvironmentVariables(input, "foo", "bar", "proxy", "cacertlocation")
@@ -66,6 +67,7 @@ func Test_PrepareV1EnvironmentVariables_DontOverrideExistingIntegration(t *testi
 		"SNYK_SYSTEM_NO_PROXY=",
 		"SNYK_SYSTEM_HTTP_PROXY=",
 		"SNYK_SYSTEM_HTTPS_PROXY=",
+		"NO_PROXY=" + constants.SNYK_INTERNAL_NO_PROXY,
 	}
 
 	actual, err := cliv2.PrepareV1EnvironmentVariables(input, "foo", "bar", "proxy", "cacertlocation")
@@ -91,6 +93,7 @@ func Test_PrepareV1EnvironmentVariables_OverrideProxyAndCerts(t *testing.T) {
 		"SNYK_SYSTEM_NO_PROXY=312123",
 		"SNYK_SYSTEM_HTTP_PROXY=exists",
 		"SNYK_SYSTEM_HTTPS_PROXY=already",
+		"NO_PROXY=" + constants.SNYK_INTERNAL_NO_PROXY,
 	}
 
 	actual, err := cliv2.PrepareV1EnvironmentVariables(input, "foo", "bar", "proxy", "cacertlocation")

cliv2/internal/constants/constants.go

@@ -15,6 +15,7 @@ const SNYK_NPM_NO_PROXY_ENV = "NPM_CONFIG_NO_PROXY"
 const SNYK_NPM_ALL_PROXY = "ALL_PROXY"
 const SNYK_CA_CERTIFICATE_LOCATION_ENV = "NODE_EXTRA_CA_CERTS"
 const SNYK_DEFAULT_API_URL = "https://api.snyk.io"
+const SNYK_INTERNAL_NO_PROXY = "localhost,127.0.0.1,::1"
 
 const SNYK_HTTPS_PROXY_ENV_SYSTEM = "SNYK_SYSTEM_HTTPS_PROXY"
 const SNYK_HTTP_PROXY_ENV_SYSTEM = "SNYK_SYSTEM_HTTP_PROXY"

test/jest/acceptance/https.spec.ts

@@ -4,20 +4,41 @@ import { createProjectFromWorkspace } from '../util/createProject';
 import { getFixturePath } from '../util/getFixturePath';
 import { runSnykCLI } from '../util/runSnykCLI';
 import { isCLIV2 } from '../util/isCLIV2';
+import * as os from 'os';
 
 jest.setTimeout(1000 * 30);
 
+function getFirstIPv4Address(): string {
+  let ipaddress = '';
+
+  const interfaces = os.networkInterfaces();
+  for (const [, group] of Object.entries(interfaces)) {
+    if (group) {
+      for (const inter of group) {
+        if (inter && inter.family == 'IPv4' && inter.address != '127.0.0.1') {
+          ipaddress = inter.address;
+          break;
+        }
+      }
+    }
+  }
+  return ipaddress;
+}
+
 describe('https', () => {
   let server: FakeServer;
   let env: Record<string, string>;
 
   beforeAll(async () => {
+    const ipaddress = getFirstIPv4Address();
+    console.log('Using ip: ' + ipaddress);
+
     const port = process.env.PORT || process.env.SNYK_PORT || '12345';
     const baseApi = '/api/v1';
     env = {
       ...process.env,
-      SNYK_API: 'https://localhost:' + port + baseApi,
-      SNYK_HOST: 'https://localhost:' + port,
+      SNYK_API: 'https://' + ipaddress + ':' + port + baseApi,
+      SNYK_HOST: 'https://' + ipaddress + ':' + port,
       SNYK_TOKEN: '123456789',
     };
     server = fakeServer(baseApi, env.SNYK_TOKEN);