[DEV-1234] Updated lambda checks to prevent .woff2 font requests from…

… being modified (#559)

.changeset/eighty-toys-care.md

@@ -0,0 +1,5 @@
+---
+"cloudfront-functions": patch
+---
+
+Handle woff2 font request

apps/cloudfront-functions/src/__tests__/viewer-request-handler.test.ts

@@ -32,6 +32,7 @@ describe('handler', () => {
     expect(handler(makeEvent('/page')).uri).toBe('/page.html');
     expect(handler(makeEvent('/page/')).uri).toBe('/page/');
     expect(handler(makeEvent('/image.jpg')).uri).toBe('/image.jpg');
+    expect(handler(makeEvent('/font.woff2')).uri).toBe('/font.woff2');
     const example0 = '/i-s/g/mo/v1.0/i-p/p-i/v-d';
     expect(handler(makeEvent(example0)).uri).toBe(`${example0}.html`);
     const example1 = '/i-s/g/mo/v1.0';

apps/cloudfront-functions/src/viewer-request-handler.ts

@@ -15,9 +15,15 @@ const handler = (
 
     // Check if the uri refers to a gitbook assets
     const isGitbookAssets = uri.startsWith('/gitbook/docs');
+    const isWoff2 = uri.endsWith('.woff2'); // woff2 is a font format
 
     // Add the .html extension if missing
-    if (!uri.endsWith('/') && !isGitbookAssets && !/\.[a-zA-Z]+$/.test(uri)) {
+    if (
+      !uri.endsWith('/') &&
+      !isGitbookAssets &&
+      !isWoff2 &&
+      !/\.[a-zA-Z]+$/.test(uri)
+    ) {
       request.uri += '.html';
     }