feat: add Webview::cookies and Webview::cookies_for_url()

.changes/cookies-for-url.md

@@ -0,0 +1,5 @@
+---
+"tauri": minor:feat
+---
+
+Added `Webview::cookies()`, `Webview::cookies_for_url()`, `WebviewWindow::cookies()` and `Webview::cookies_for_url()`.

.changes/webview-cookies-runtime.md

@@ -0,0 +1,6 @@
+---
+"tauri-runtime": minor:feat
+"tauri-runtime-wry": minor:feat
+---
+
+Added `WebviewDispatch::cookies()` and `WebviewDispatch::cookies_for_url()`.

crates/tauri-runtime-wry/src/lib.rs

@@ -23,9 +23,9 @@ use tauri_runtime::{
     CursorIcon, DetachedWindow, DetachedWindowWebview, DragDropEvent, PendingWindow, RawWindow,
     WebviewEvent, WindowBuilder, WindowBuilderBase, WindowEvent, WindowId, WindowSizeConstraints,
   },
-  DeviceEventFilter, Error, EventLoopProxy, ExitRequestedEventAction, Icon, ProgressBarState,
-  ProgressBarStatus, Result, RunEvent, Runtime, RuntimeHandle, RuntimeInitArgs, UserAttentionType,
-  UserEvent, WebviewDispatch, WebviewEventId, WindowDispatch, WindowEventId,
+  Cookie, DeviceEventFilter, Error, EventLoopProxy, ExitRequestedEventAction, Icon,
+  ProgressBarState, ProgressBarStatus, Result, RunEvent, Runtime, RuntimeHandle, RuntimeInitArgs,
+  UserAttentionType, UserEvent, WebviewDispatch, WebviewEventId, WindowDispatch, WindowEventId,
 };
 
 #[cfg(any(target_os = "macos", target_os = "ios"))]
@@ -1299,6 +1299,8 @@ pub enum WebviewMessage {
   EvaluateScript(String),
   #[cfg(all(feature = "tracing", not(target_os = "android")))]
   EvaluateScript(String, Sender<()>, tracing::Span),
+  CookiesForUrl(Url, Sender<Result<Vec<tauri_runtime::Cookie<'static>>>>),
+  Cookies(Sender<Result<Vec<tauri_runtime::Cookie<'static>>>>),
   WebviewEvent(WebviewEvent),
   SynthesizedWindowEvent(SynthesizedWindowEvent),
   Navigate(Url),
@@ -1549,6 +1551,25 @@ impl<T: UserEvent> WebviewDispatch<T> for WryWebviewDispatcher<T> {
     Ok(())
   }
 
+  fn cookies_for_url(&self, url: Url) -> Result<Vec<Cookie<'static>>> {
+    let current_window_id = self.window_id.lock().unwrap();
+    let (tx, rx) = channel();
+    send_user_message(
+      &self.context,
+      Message::Webview(
+        *current_window_id,
+        self.webview_id,
+        WebviewMessage::CookiesForUrl(url, tx),
+      ),
+    )?;
+
+    rx.recv().unwrap()
+  }
+
+  fn cookies(&self) -> Result<Vec<Cookie<'static>>> {
+    webview_getter!(self, WebviewMessage::Cookies)?
+  }
+
   fn set_auto_resize(&self, auto_resize: bool) -> Result<()> {
     send_user_message(
       &self.context,
@@ -3407,6 +3428,19 @@ fn handle_user_message<T: UserEvent>(
             )
             .unwrap();
           }
+
+          WebviewMessage::Cookies(tx) => {
+            tx.send(webview.cookies().map_err(|_| Error::FailedToSendMessage))
+              .unwrap();
+          }
+
+          WebviewMessage::CookiesForUrl(url, tx) => {
+            let webview_cookies = webview
+              .cookies_for_url(url.as_str())
+              .map_err(|_| Error::FailedToSendMessage);
+            tx.send(webview_cookies).unwrap();
+          }
+
           WebviewMessage::Bounds(tx) => {
             tx.send(
               webview

crates/tauri-runtime/Cargo.toml

@@ -34,6 +34,8 @@ http = "1"
 raw-window-handle = "0.6"
 url = { version = "2" }
 dpi = { version = "0.1", features = ["serde"] }
+# WARNING: cookie::Cookie is re-exported so bumping this is a breaking change
+cookie = "0.18"
 
 [target."cfg(windows)".dependencies.windows]
 version = "0.58"

crates/tauri-runtime/src/lib.rs

@@ -43,6 +43,9 @@ use http::{
 /// UI scaling utilities.
 pub use dpi;
 
+/// Cookie extraction
+pub use cookie::Cookie;
+
 pub type WindowEventId = u32;
 pub type WebviewEventId = u32;
 
@@ -516,6 +519,12 @@ pub trait WebviewDispatch<T: UserEvent>: Debug + Clone + Send + Sync + Sized + '
   /// Moves the webview to the given window.
   fn reparent(&self, window_id: WindowId) -> Result<()>;
 
+  /// Get cookies for a particular url.
+  fn cookies_for_url(&self, url: Url) -> Result<Vec<Cookie<'static>>>;
+
+  /// Return all cookies in the cookie store.
+  fn cookies(&self) -> Result<Vec<Cookie<'static>>>;
+
   /// Sets whether the webview should automatically grow and shrink its size and position when the parent window resizes.
   fn set_auto_resize(&self, auto_resize: bool) -> Result<()>;
 

crates/tauri/src/test/mock_runtime.rs

@@ -586,6 +586,14 @@ impl<T: UserEvent> WebviewDispatch<T> for MockWebviewDispatcher {
     Ok(())
   }
 
+  fn cookies(&self) -> Result<Vec<tauri_runtime::Cookie<'static>>> {
+    Ok(Vec::new())
+  }
+
+  fn cookies_for_url(&self, url: Url) -> Result<Vec<tauri_runtime::Cookie<'static>>> {
+    Ok(Vec::new())
+  }
+
   fn set_auto_resize(&self, auto_resize: bool) -> Result<()> {
     Ok(())
   }

crates/tauri/src/webview/mod.rs

@@ -13,6 +13,7 @@ use http::HeaderMap;
 use serde::Serialize;
 use tauri_macros::default_runtime;
 pub use tauri_runtime::webview::PageLoadEvent;
+pub use tauri_runtime::Cookie;
 #[cfg(desktop)]
 use tauri_runtime::{
   dpi::{PhysicalPosition, PhysicalSize, Position, Size},
@@ -246,8 +247,8 @@ impl<R: Runtime> WebviewBuilder<R> {
   ///
   /// # Known issues
   ///
-  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
-  /// You should use `async` commands when creating windows.
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when creating webviews.
   ///
   /// # Examples
   ///
@@ -322,8 +323,8 @@ async fn create_window(app: tauri::AppHandle) {
   ///
   /// # Known issues
   ///
-  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
-  /// You should use `async` commands when creating webviews.
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when creating webviews.
   ///
   /// # Examples
   ///
@@ -1703,6 +1704,46 @@ tauri::Builder::default()
       .clear_all_browsing_data()
       .map_err(Into::into)
   }
+
+  /// Returns all cookies in the runtime's cookie store including HTTP-only and secure cookies.
+  ///
+  /// Note that cookies will only be returned for URLs with an http or https scheme.
+  /// Cookies set through javascript for local files
+  /// (such as those served from the tauri://) protocol are not currently supported.
+  ///
+  /// # Known issues
+  ///
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when reading cookies.
+  ///
+  /// [the Webview2 issue]: https://github.com/tauri-apps/wry/issues/583
+  pub fn cookies_for_url(&self, url: Url) -> crate::Result<Vec<Cookie<'static>>> {
+    self
+      .webview
+      .dispatcher
+      .cookies_for_url(url)
+      .map_err(Into::into)
+  }
+
+  /// Returns all cookies in the runtime's cookie store for all URLs including HTTP-only and secure cookies.
+  ///
+  /// Note that cookies will only be returned for URLs with an http or https scheme.
+  /// Cookies set through javascript for local files
+  /// (such as those served from the tauri://) protocol are not currently supported.
+  ///
+  /// # Known issues
+  ///
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when reading cookies.
+  ///
+  /// ## Platform-specific
+  ///
+  /// - **Android**: Unsupported, always returns an empty [`Vec`].
+  ///
+  /// [the Webview2 issue]: https://github.com/tauri-apps/wry/issues/583
+  pub fn cookies(&self) -> crate::Result<Vec<Cookie<'static>>> {
+    self.webview.dispatcher.cookies().map_err(Into::into)
+  }
 }
 
 impl<R: Runtime> Listener<R> for Webview<R> {

crates/tauri/src/webview/webview_window.rs

@@ -37,8 +37,7 @@ use crate::{
   ipc::{CommandArg, CommandItem, InvokeError, OwnedInvokeResponder},
   manager::AppManager,
   sealed::{ManagerBase, RuntimeOrDispatch},
-  webview::PageLoadPayload,
-  webview::WebviewBuilder,
+  webview::{Cookie, PageLoadPayload, WebviewBuilder},
   window::WindowBuilder,
   AppHandle, Event, EventId, Manager, Runtime, Webview, WindowEvent,
 };
@@ -61,8 +60,8 @@ impl<'a, R: Runtime, M: Manager<R>> WebviewWindowBuilder<'a, R, M> {
   ///
   /// # Known issues
   ///
-  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
-  /// You should use `async` commands when creating windows.
+  /// On Windows, this function deadlocks when used in a synchronous command and event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when creating windows.
   ///
   /// # Examples
   ///
@@ -118,8 +117,8 @@ impl<'a, R: Runtime, M: Manager<R>> WebviewWindowBuilder<'a, R, M> {
   ///
   /// # Known issues
   ///
-  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
-  /// You should use `async` commands when creating windows.
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when creating windows.
   ///
   /// # Examples
   ///
@@ -2005,6 +2004,42 @@ impl<R: Runtime> WebviewWindow<R> {
   pub fn clear_all_browsing_data(&self) -> crate::Result<()> {
     self.webview.clear_all_browsing_data()
   }
+
+  /// Returns all cookies in the runtime's cookie store including HTTP-only and secure cookies.
+  ///
+  /// Note that cookies will only be returned for URLs with an http or https scheme.
+  /// Cookies set through javascript for local files
+  /// (such as those served from the tauri://) protocol are not currently supported.
+  ///
+  /// # Known issues
+  ///
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when reading cookies.
+  ///
+  /// [the Webview2 issue]: https://github.com/tauri-apps/wry/issues/583
+  pub fn cookies_for_url(&self, url: Url) -> crate::Result<Vec<Cookie<'static>>> {
+    self.webview.cookies_for_url(url)
+  }
+
+  /// Returns all cookies in the runtime's cookie store for all URLs including HTTP-only and secure cookies.
+  ///
+  /// Note that cookies will only be returned for URLs with an http or https scheme.
+  /// Cookies set through javascript for local files
+  /// (such as those served from the tauri://) protocol are not currently supported.
+  ///
+  /// # Known issues
+  ///
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when reading cookies.
+  ///
+  /// ## Platform-specific
+  ///
+  /// - **Android**: Unsupported, always returns an empty [`Vec`].
+  ///
+  /// [the Webview2 issue]: https://github.com/tauri-apps/wry/issues/583
+  pub fn cookies(&self) -> crate::Result<Vec<Cookie<'static>>> {
+    self.webview.cookies()
+  }
 }
 
 impl<R: Runtime> Listener<R> for WebviewWindow<R> {

crates/tauri/src/window/mod.rs

@@ -140,8 +140,8 @@ impl<'a, R: Runtime, M: Manager<R>> WindowBuilder<'a, R, M> {
   ///
   /// # Known issues
   ///
-  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
-  /// You should use `async` commands when creating windows.
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when creating windows.
   ///
   /// # Examples
   ///
@@ -217,8 +217,8 @@ async fn create_window(app: tauri::AppHandle) {
   ///
   /// # Known issues
   ///
-  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
-  /// You should use `async` commands when creating windows.
+  /// On Windows, this function deadlocks when used in a synchronous command or event handlers, see [the Webview2 issue].
+  /// You should use `async` commands and separate threads when creating windows.
   ///
   /// # Examples
   ///

examples/helloworld/main.rs

@@ -5,13 +5,22 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
 #[tauri::command]
-fn greet(name: &str) -> String {
+fn greet(app: tauri::AppHandle, name: String) -> String {
+  use tauri::Manager;
+  println!("greet {name}");
+  let w = app.get_webview_window("main").unwrap();
+  println!("{:?}", w.get_webview_window("main").unwrap().cookies());
   format!("Hello {name}, You have been greeted from Rust!")
 }
 
 fn main() {
   tauri::Builder::default()
     .invoke_handler(tauri::generate_handler![greet])
+    .setup(|app| {
+      use tauri::Manager;
+      println!("{:?}", app.get_webview_window("main").unwrap().cookies());
+      Ok(())
+    })
     .run(tauri::generate_context!(
       "../../examples/helloworld/tauri.conf.json"
     ))