Loading a URL that would trigger a calendar invite doesn't work on NTP/other websites

[kylehickinson]

Description

The iOS app supports opening a Safari web view to handle adding iCal files to the users calendar but this is currently not working when you attempt to load that URL from the NTP or any website that isn't the origin of the

Steps to reproduce

1. Paste https://developer.apple.com/wwdc24/WWDC2024_KEYNOTE.ics into the URL bar and load it from the NTP or any tab that doesn't have developer.apple.com loaded in it

Actual result

Doesn't prompt to add to calendar

Expected result

Should prompt to add to calendar

Reproduces how often

Easily reproduced

Brave version

This issue affects 1.62+

Device/iOS version

All

Affected browser versions

• latest AppStore
• latest TestFlight
• previous TestFlight

Reproducibility

• with Brave Shields disabled
• in the latest version of mobile Safari

Miscellaneous information

No response

[kjozwiak]

The above requires 1.66.120 or above for 1.66.x verification 👍

[hffvld]

Verified on iPhone 14 using version(s):

Device/OS: iPhone 14 / iOS 17.5
Brave build: 1.66.1 (120)
BraveCore: 1.66.120 (125.0.6422.165)

Filed follow-up issue #38838

STEPS:

1. Follow the steps from Loading a URL that would trigger a calendar invite doesn't work on NTP/other websites #38548 (comment)
2. Verify

ACTUAL RESULTS:

• Verified that the prompt to add calendar event is shown on the NTP when passing a link for iCal

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2024-06-05_12-15-05.mp4