1 of 8

The state of registerProtocolHandler

Gyuyoung Kim �<gyuyoung.kim@lge.com>

2 of 8

The state of registerProtocolHandler

Gyuyoung Kim �<gyuyoung.kim@lge.com>

3 of 8

What’s navigator.registerProtocolHandler?

  • The feature is to give the power to add your customized scheme(a.k.a protocol) to your website or web application
  • If you register your own custom scheme, it can help you to avoid collisions with other DNS, or help other people use it correctly

4 of 8

How is the support in Chromium?

<html>

​

<head>

<script>

navigator.registerProtocolHandler(

"web+github",

"https://gyuyoung.github.io/CustomSchemeExample/url=%s",

"github handler");

</script>

</head>

​

<body>

<p>If you click this link, it runs <code>web+github:</code> protocol:� <a href="web+github:gyuyoung">this</a></p>

</body>

​

</html>

5 of 8

How many users have used it?

  • Fortunately, this feature�usage ratio exceeds 0.01%

6 of 8

What problems were fixed recently?

  • This feature is still being maintained
    • [registerProtocolHandler] Only substitute the first "%s" placeholder
    • [Custom Scheme] Remove 'title' parameter in the tests of unregisterProtocolHandler
    • [registerProtocolHandler] Add a unit test for percent-encoding
    • And so on...

7 of 8

What’s the next?

  • Continue following the latest w3c specification�
  • How to handle security issues?
    • Hijacking, registration spamming, misleading titles, and so on.�
  • Is “isProtocolHandlerRegistered” needed?�
  • New schemes support?

8 of 8

Thank you!

Work sponsored by