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F0RLE · 2026-01-09T11:14:12Z

Description

This PR introduces an expanded and unified Permission Handler API across all supported WebView backends (WebView2, WKWebView, WebKitGTK, and Android).

The goal is to provide developers with granular control over how hardware and web API permissions are requested by the webview, replacing auto-granting behaviors with secure defaults and providing the ability to intercept these requests dynamically.

Key Changes

Expanded PermissionKind Enum: Now explicitly covers 15 permission types, adding DisplayCapture, Midi, Sensors, MediaKeySystemAccess, LocalFonts, WindowManagement, PointerLock, AutomaticDownloads, FileSystemAccess, and Autoplay.
Unified PermissionResponse: Applications can now respond to permission requests with Allow, Deny, Default (let the system handle it natively), or Prompt (explicitly trigger a system dialog).
WebViewBuilder::with_permission_handler: Added a new builder method taking a closure Fn(PermissionKind) -> PermissionResponse to handle incoming permission requests.

Platform-Specific Implementations

🍏 macOS / iOS (WKWebView)
- Fully mapped WKMediaCaptureType to PermissionKind.
- Added specific handling for combined CameraAndMicrophone requests: properly determines the final WKPermissionDecision based on the individual responses for Camera and Microphone.
- Defaults to secure Prompt instead of automatically granting access.
🪟 Windows (WebView2)
- Exhaustively mapped all 12 COREWEBVIEW2_PERMISSION_KIND variations to the new PermissionKind API, ensuring complete coverage over Windows permissions.
- Properly maps response states to COREWEBVIEW2_PERMISSION_STATE_ALLOW and COREWEBVIEW2_PERMISSION_STATE_DENY.
🐧 Linux (WebKitGTK)
- Intercepts the permission-request signal.
- Added robust detection for DisplayCapture screen sharing on older WebKitGTK versions (< 2.42), bypassing the lack of is_for_display_device().
🤖 Android
- JNI bridge support to intercept onPermissionRequest in RustWebChromeClient.kt.
- Routes Android WebKit resource types (e.g. AUDIO_CAPTURE, VIDEO_CAPTURE, PROTECTED_MEDIA_ID) to Rust and applies the user's PermissionResponse.

Examples

Added a permission_handler example using permission.site to easily test permission dialogs and intercepts across platforms. Run with:

cargo run --example permission_handler

github-actions · 2026-01-09T11:42:45Z

Package Changes Through `09814aa`

There are 1 changes which include wry with minor

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
wry	0.54.2	0.55.0

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pewsheen

I currently only have a MacBook, so I'll share some thoughts about the macOS implementation here. For WebView2, maybe @Legend-Master can give some advice?

Personally, I tend not to loosen permission controls, to avoid them being used for malicious purposes.

src/wkwebview/class/wry_web_view_ui_delegate.rs

src/lib.rs

Legend-Master

Looks good for the webview2 implementation at least at a glance, awesome work!

Could you also add a change file?

https://github.com/tauri-apps/wry/blob/dev/.changes/readme.md

src/lib.rs

Legend-Master

The webview2 code looks good to me and works well when tested on my computer, just a few small nitpicks, you might need to wait for other members to give some feedbacks on other platforms though

Also, you'll need to sign your commits before we can merge them

src/lib.rs

src/webview2/mod.rs

pewsheen

macOS implementation looks good to me. Only a nit that I think we can improve.

src/wkwebview/class/wry_web_view_ui_delegate.rs

Legend-Master

And you'll need to sign your commits

https://docs.github.com/en/authentication/managing-commit-signature-verification/signing-commits

examples/permission_handler.rs

src/lib.rs

F0RLE · 2026-02-23T16:29:16Z

The webview2 code looks good to me and works well when tested on my computer, just a few small nitpicks, you might need to wait for other members to give some feedbacks on other platforms though

Also, you'll need to sign your commits before we can merge

Done. The commit is now digitally signed with an SSH key.

src/lib.rs

pewsheen

wkwebview looks good to me 👍 . Let's see if there's something that needs to be discussed in other platform.

…n handler API, fix combined camera and microphone logic on macOS, update documentation to clarify NFC and Bluetooth support, and simplify permission_handler example using permission.site

Legend-Master

Looking good for the webview2 part and general APIs, I'll take a look at the webkitgtk implementation later when I got time. The Android implementation will need someone who's more familiar with the mobile part to review though

Thanks for the patience and awesome work!

Also please don't force push to a single commit on every change, it makes it hard to follow what's changed between each reviews, we will squash merge at the end

src/lib.rs

…gnature

Legend-Master

I have gone ahead and did some adjustments, hope you don't mind

The Windows and Linux implementations are looking good to me, waiting for a reviewer who's more familiar with the mobile implementations to take a final look before merging

F0RLE · 2026-02-24T17:34:34Z

Thanks for the review and for the adjustments as well! They look good. Let me know if there's anything else for the Android or webkitgtk implementation.

F0RLE requested a review from a team as a code owner January 9, 2026 11:14

F0RLE force-pushed the feat/permission-handler branch from 56cc0d1 to 755877e Compare January 9, 2026 12:20

Legend-Master linked an issue Jan 11, 2026 that may be closed by this pull request

Support for web APIs that require permissions #81

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F0RLE closed this Jan 20, 2026

F0RLE reopened this Jan 31, 2026

This was referenced Jan 31, 2026

feat: expose wry permission handler API in tauri tauri-apps/tauri#14865

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feat: expose wry permission handler API tauri-apps/tauri#14753

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pewsheen reviewed Feb 1, 2026

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F0RLE dismissed Legend-Master’s stale review via 112bbeb February 20, 2026 17:18

F0RLE force-pushed the feat/permission-handler branch 2 times, most recently from 6a52c11 to 7aae5c4 Compare February 20, 2026 19:42

F0RLE requested a review from Legend-Master February 20, 2026 21:03

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F0RLE force-pushed the feat/permission-handler branch 2 times, most recently from 28c368b to bad81dd Compare February 23, 2026 16:20

F0RLE requested review from Legend-Master and pewsheen February 23, 2026 16:33

F0RLE force-pushed the feat/permission-handler branch from bad81dd to 2f0df9e Compare February 23, 2026 20:47

Legend-Master reviewed Feb 24, 2026

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feat: add permission handler API - implement cross-platform permissio…

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…n handler API, fix combined camera and microphone logic on macOS, update documentation to clarify NFC and Bluetooth support, and simplify permission_handler example using permission.site

F0RLE dismissed pewsheen’s stale review via f884930 February 24, 2026 11:14

F0RLE force-pushed the feat/permission-handler branch from 8ccc02e to f884930 Compare February 24, 2026 11:14

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F0RLE and others added 6 commits February 24, 2026 15:30

fix(wkwebview): remove leftover PermissionObserver from UIDelegate si…

33e6332

…gnature

Fix permission_handler example on linux

2013b25

Use type instead of string check

2c44f16

Add more platform specific notes

f213859

Move permissions to a file

a0133a8

Add notice about prompt not supported on linux

09814aa

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Legend-Master requested a review from lucasfernog February 24, 2026 16:58

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