esm: fix imports from non-file module

Fixes: #42860 PR-URL: #42881 Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com> Reviewed-By: Jacob Smith <jacob@frende.me> Reviewed-By: Guy Bedford <guybedford@gmail.com>
nodejs · May 31, 2022 · c6f4a6f · c6f4a6f
1 parent a6bceae
commit c6f4a6f
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Showing 3 changed files with 11 additions and 8 deletions.
diff --git a/lib/internal/modules/esm/resolve.js b/lib/internal/modules/esm/resolve.js
@@ -1050,8 +1050,6 @@ function resolveAsCommonJS(specifier, parentURL) {
 // TODO(@JakobJingleheimer): de-dupe `specifier` & `parsed`
 function checkIfDisallowedImport(specifier, parsed, parsedParentURL) {
   if (parsedParentURL) {
-    const parentURL = fileURLToPath(parsedParentURL?.href);
-
     if (
       parsedParentURL.protocol === 'http:' ||
       parsedParentURL.protocol === 'https:'
@@ -1065,7 +1063,7 @@ function checkIfDisallowedImport(specifier, parsed, parsedParentURL) {
         ) {
           throw new ERR_NETWORK_IMPORT_DISALLOWED(
             specifier,
-            parentURL,
+            parsedParentURL,
             'remote imports cannot import from a local location.'
           );
         }
@@ -1075,14 +1073,14 @@ function checkIfDisallowedImport(specifier, parsed, parsedParentURL) {
       if (NativeModule.canBeRequiredByUsers(specifier)) {
         throw new ERR_NETWORK_IMPORT_DISALLOWED(
           specifier,
-          parentURL,
+          parsedParentURL,
           'remote imports cannot import from a local location.'
         );
       }
 
       throw new ERR_NETWORK_IMPORT_DISALLOWED(
         specifier,
-        parentURL,
+        parsedParentURL,
         'only relative and absolute specifiers are supported.'
       );
     }

diff --git a/test/es-module/test-esm-data-urls.js b/test/es-module/test-esm-data-urls.js
@@ -1,5 +1,6 @@
 'use strict';
 const common = require('../common');
+const fixtures = require('../common/fixtures');
 const assert = require('assert');
 function createURL(mime, body) {
   return `data:${mime},${body}`;
@@ -107,4 +108,8 @@ function createBase64URL(mime, body) {
     const module = await import(plainESMURL);
     assert.strictEqual(module.default, 2);
   }
+  {
+    const plainESMURL = `data:text/javascript,${encodeURIComponent(`import ${JSON.stringify(fixtures.fileURL('es-module-url', 'empty.js'))}`)}`;
+    await import(plainESMURL);
+  }
 })().then(common.mustCall());
diff --git a/test/es-module/test-http-imports.mjs b/test/es-module/test-http-imports.mjs
@@ -162,7 +162,7 @@ for (const { protocol, createServer } of [
       export default 1;`);
     await assert.rejects(
       import(fileDep.href),
-      { code: 'ERR_INVALID_URL_SCHEME' }
+      { code: 'ERR_NETWORK_IMPORT_DISALLOWED' }
     );
 
     const builtinDep = new URL(url.href);
@@ -172,7 +172,7 @@ for (const { protocol, createServer } of [
     `);
     await assert.rejects(
       import(builtinDep.href),
-      { code: 'ERR_INVALID_URL_SCHEME' }
+      { code: 'ERR_NETWORK_IMPORT_DISALLOWED' }
     );
 
     const unprefixedBuiltinDep = new URL(url.href);
@@ -182,7 +182,7 @@ for (const { protocol, createServer } of [
     `);
     await assert.rejects(
       import(unprefixedBuiltinDep.href),
-      { code: 'ERR_INVALID_URL_SCHEME' }
+      { code: 'ERR_NETWORK_IMPORT_DISALLOWED' }
     );
 
     const unsupportedMIME = new URL(url.href);