fix: bookmarklet malformed uri error

j4k0xb · Apr 18, 2024 · d042684 · d042684
1 parent 33c5761
commit d042684
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/packages/webcrack/src/index.ts b/packages/webcrack/src/index.ts
@@ -124,7 +124,11 @@ export async function webcrack(
 
   const isBookmarklet = /^javascript:./.test(code);
   if (isBookmarklet) {
-    code = decodeURIComponent(code.replace(/^javascript:/, ''));
+    code = code
+      .replace(/^javascript:/, '')
+      .split(/%(?![a-f\d]{2})/i)
+      .map(decodeURIComponent)
+      .join('%');
   }
 
   let ast: ParseResult<t.File> = null!;

diff --git a/packages/webcrack/test/transforms.test.ts b/packages/webcrack/test/transforms.test.ts
@@ -10,3 +10,13 @@ test('decode bookmarklet', async () => {
     })();"
   `);
 });
+
+test('decode malformed bookmarklet', async () => {
+  const code = `javascript:(function()%7Breturn%20v%F%3B%7D)()`;
+  const result = await webcrack(code);
+  expect(result.code).toMatchInlineSnapshot(`
+    "(function () {
+      return v % F;
+    })();"
+  `);
+});