1657828 - Unable to login with Facebook on datpiff.com with ETP - Strict enabled

Status: RESOLVED FIXED

(Web Compatibility :: Interventions, defect, P3)

Description

[Oana Arbuzov [:oanaarbuzov]]

Attachment: StrictVsStandard.png

Environment:
Browser / Version: Firefox Nightly 81.0a1 (2020-08-06)
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.datpiff.com/
2. Click "Connect with Facebook" button.
3. After Facebook popup is displayed type in valid credentials and click "Log In".
4. Proceed with the authorization process and wait until the popup is dismissed.
5. After returning to the site click "Finish Registration" button.
6. Observe behavior.

Expected result:
Redirect to email verification process is performed.

Actual result:
Login with Facebook is not performed and an error message is displayed.

**Note: **

1. With ETP - Standard the login works.

Comment 1

[Thomas Wisniewski [:twisniewski]]

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