Adds support for WebOTP API calls from cross-origin iframes if enabled by a permission policy.

Motivation

The WebOTP API gives developers the ability to programmatically read one time codes from specially-formatted SMSes addressed to their origin to reduce user friction. Many sites embed iframes that handle authentication for them. We propose to support the API in cross-origin iframes to address feature requests from the web developer community (e.g. Shopify, iCloud) and improve interoperability.

Demo

• https://output.jsbin.com/gilusuq/quiet

Documentation

• https://docs.google.com/document/d/1dR-5-1O3SqAbQCRj_cBaQ7nQD5YlWzExcusmPcO2Xqs/edit?usp=sharing

Specification

Editor's draft

Status in Chromium

Blink components: Blink

Enabled by default (tracking bug) in:

• Chrome for Android release 91

Consensus & Standardization

• Firefox: Negative
• Edge: No signal
• Safari: Neutral
• Web Developers: Positive

Owners

• yigu@chromium.org
• goto@chromium.org

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Last updated on 2021-04-14