[webkit-changes] [WebKit/WebKit] 7109e7: Sanitize lookalike characters in shared link URLs

[Wenson Hsieh]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7109e73eb98d0232e8bc2fa1f0d6d863142e89ea
      https://github.com/WebKit/WebKit/commit/7109e73eb98d0232e8bc2fa1f0d6d863142e89ea
  Author: Wenson Hsieh <wenson_hsieh at apple.com>
  Date:   2022-10-19 (Wed, 19 Oct 2022)

  Changed paths:
    M Source/WebCore/rendering/HitTestResult.cpp
    M Source/WebKit/WebProcess/WebPage/ios/WebPageIOS.mm

  Log Message:
  -----------
  Sanitize lookalike characters in shared link URLs
https://bugs.webkit.org/show_bug.cgi?id=246761

Reviewed by Tim Horton.

Add more call sites to `sanitizeForCopyOrShare()` before surfacing hit-tested link URLs to embedding
clients, to replace lookalike characters with punycode-converted URLs.

* Source/WebCore/rendering/HitTestResult.cpp:
(WebCore::HitTestResult::absoluteImageURL const):
(WebCore::HitTestResult::absoluteMediaURL const):
(WebCore::HitTestResult::absoluteLinkURL const):
* Source/WebKit/WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::imagePositionInformation):
(WebKit::elementPositionInformation):

Canonical link: https://commits.webkit.org/255770@main