Make sure custom protocol is handled as secure context on macOS

[lemarier]

What kind of change does this PR introduce? (check at least one)

• Bugfix
• Feature
• New Binding Issue #___
• Code style update
• Refactor
• Build-related changes
• Other, please describe:

Does this PR introduce a breaking change? (check one)

• Yes. Issue #___
• No

The PR fulfills these requirements:

• When resolving a specific issue, it's referenced in the PR's title (e.g. fix: #xxx[,#xxx], where "xxx" is the issue number)
• A change file is added if any packages will require a version bump due to this PR per the instructions in the readme.

Other information:

Do not seem to affect other platforms need to test on Windows and Linux to be sure it didn’t break anything.

Fix #1550
Related to tauri-apps/wry#85

Without the fix:

---

With the fix

[nothingismagick]

If there were a flair possible for this kind of PR, then I would grant it legendary status that is literally a game changer. Thanks man. I owe you a caipi. On the Seychelles

[lucasfernog]

I'm checking how local storage behaves with this solution. I think the webview caches it based on the url :/

[lemarier]

I'm checking how local storage behaves with this solution. I think the webview caches it based on the url :/

maybe we could make sure local storage use app and not tauri-shared directory for storage.

[lucasfernog]

I'm checking how local storage behaves with this solution. I think the webview caches it based on the url :/

maybe we could make sure local storage use app and not tauri-shared directory for storage.

That would be great

[lemarier]

That would be great

macOS

It's stored inside ~/Library/WebKit and uses the package.id

Windows

We already use with_user_data_folder so not a problem

Linux

Need to check this out

[lucasfernog]

Linux might need this: https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebsiteDataManager.html#WebKitWebsiteDataManager--local-storage-directory

[lucasfernog]

webkit stores localstorage under $HOME/.local/share/webkitgtk/localstorage, so we do need to change it. I'll PR wry.

[lucasfernog]

Unfortunately navigator.mediaDevices is still undefined on Linux :( we probably need to tweak something on the wry end.

[lemarier]

Unfortunately navigator.mediaDevices is still undefined on Linux :( we probably need to tweak something on the wry end.

ok I'll try to make some tests to see what we can do

[lucasfernog]

Since this is a macOS PR i'll merge it.

[wusyong]

I think we haven't enabled it yet but the method/signal should be here:
https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#WebKitWebView-permission-request