1657337 - Unable to login with Facebook on etsy.com with ETP - Strict enabled

Status: RESOLVED FIXED

(Web Compatibility :: Interventions, defect, P3)

Description

[Oana Arbuzov [:oanaarbuzov]]

Attachment: SignInNotPerformed.png

Environment:
Browser / Version: Firefox Nightly 81.0a1 (2020-08-04)
Operating System: Windows 10 Pro

Prerequisites:

1. Create a fresh Firefox profile.
2. Facebook account is available.
3. Make sure extensions.webcompat.enable_shims is set to true in about:config.
4. Enable ETP - Strict.

Steps to reproduce:

1. Navigate to https://www.etsy.com
2. Click "Sign in" button.
3. Click "Continue with Facebook" button.
4. After Facebook popup is displayed type in valid credentials and click "Log In".
5. Observe behavior after Facebook popup is dismissed.

Expected result:
Login with Facebook is performed and "Sign in" popup is dismissed.

Actual result:
Login with Facebook is not performed and "Sign in" popup remains displayed.

**Note: **

1. With ETP - Standard the login works.

Comment 1

[Oana Arbuzov [:oanaarbuzov]]

The issue is reproduce on mobile layout also.

Tested with:
Browser / Version: Firefox Nightly 200901 (🦎 82.0a1-20200829091226)
Operating System: Huawei P20 Lite (Android 8.0.0) - 1080 x 2280 pixels, 19:9 ratio (~432 ppi density)

Comment 2

[Thomas Wisniewski [:twisniewski]]

Fixed by our Facebook login shim (riding the release trains on desktop Firefox as of bug 1703829).