feat: add use_https_scheme for Windows and Android

.changes/use_https_windows-and-android-config.md

@@ -0,0 +1,6 @@
+---
+"tauri": "minor:feat"
+"tauri-utils": "minor:feat"
+---
+
+Add `app > windows > useHttpsScheme` config option to choose whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android

.changes/use_https_windows-and-android.md

@@ -0,0 +1,7 @@
+---
+"tauri": "minor:feat"
+"tauri-runtime": "minor:feat"
+"tauri-runtime-wry": "minor:feat"
+---
+
+Add `WebviewWindowBuilder/WebviewBuilder::use_https_scheme` to choose whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android

crates/tauri-cli/config.schema.json

@@ -486,6 +486,11 @@
           "description": "Whether browser extensions can be installed for the webview process\n\n ## Platform-specific:\n\n - **Windows**: Enables the WebView2 environment's [`AreBrowserExtensionsEnabled`](https://learn.microsoft.com/en-us/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2environmentoptions?view=webview2-winrt-1.0.2739.15#arebrowserextensionsenabled)\n - **MacOS / Linux / iOS / Android** - Unsupported.",
           "default": false,
           "type": "boolean"
+        },
+        "useHttpsScheme": {
+          "description": "Sets whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android. Defaults to `false`.\n\n ## Note\n\n Using a `https` scheme will NOT allow mixed content when trying to fetch `http` endpoints and therefore will not match the behavior of the `<scheme>://localhost` protocols used on macOS and Linux.\n\n ## Warning\n\n Changing this value between releases will change the IndexedDB, cookies and localstorage location and your app will not be able to access the old data.",
+          "default": false,
+          "type": "boolean"
         }
       },
       "additionalProperties": false

crates/tauri-cli/src/migrate/migrations/v1/config.rs

@@ -87,6 +87,28 @@ fn migrate_config(config: &mut Value) -> Result<MigratedConfig> {
         migrated.permissions = permissions;
       }
 
+      // dangerousUseHttpScheme/useHttpsScheme
+      let dangerouse_use_http = tauri_config
+        .get("security")
+        .and_then(|w| w.as_object())
+        .and_then(|w| {
+          w.get("dangerousUseHttpScheme")
+            .or_else(|| w.get("dangerous-use-http-scheme"))
+        })
+        .and_then(|v| v.as_bool())
+        .unwrap_or_default();
+
+      if let Some(windows) = tauri_config
+        .get_mut("windows")
+        .and_then(|w| w.as_array_mut())
+      {
+        for window in windows {
+          if let Some(window) = window.as_object_mut() {
+            window.insert("useHttpsScheme".to_string(), (!dangerouse_use_http).into());
+          }
+        }
+      }
+
       // security
       if let Some(security) = tauri_config
         .get_mut("security")
@@ -802,7 +824,8 @@ mod test {
         "pattern": { "use": "brownfield" },
         "security": {
           "csp": "default-src 'self' tauri:"
-        }
+        },
+        "windows": [{}]
       }
     });
 
@@ -907,6 +930,8 @@ mod test {
       migrated["app"]["withGlobalTauri"],
       original["build"]["withGlobalTauri"]
     );
+
+    assert_eq!(migrated["app"]["windows"][0]["useHttpsScheme"], true);
   }
 
   #[test]
@@ -941,6 +966,28 @@ mod test {
     );
   }
 
+  #[test]
+  fn migrate_dangerous_use_http_scheme() {
+    let original = serde_json::json!({
+      "tauri": {
+        "windows": [{}],
+        "security": {
+          "dangerousUseHttpScheme": true,
+        }
+      }
+    });
+
+    let migrated = migrate(&original);
+    assert_eq!(
+      !migrated["app"]["windows"][0]["useHttpsScheme"]
+        .as_bool()
+        .unwrap(),
+      original["tauri"]["security"]["dangerousUseHttpScheme"]
+        .as_bool()
+        .unwrap()
+    );
+  }
+
   #[test]
   fn can_migrate_default_config() {
     let original = serde_json::to_value(tauri_utils_v1::config::Config::default()).unwrap();

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

@@ -22,8 +22,8 @@ use tauri_runtime::{
   monitor::Monitor,
   webview::{DetachedWebview, DownloadEvent, PendingWebview, WebviewIpcHandler},
   window::{
-    CursorIcon, DetachedWindow, DragDropEvent, PendingWindow, RawWindow, WebviewEvent,
-    WindowBuilder, WindowBuilderBase, WindowEvent, WindowId, WindowSizeConstraints,
+    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,
@@ -276,7 +276,16 @@ impl<T: UserEvent> Context<T> {
     let label = pending.label.clone();
     let context = self.clone();
     let window_id = self.next_window_id();
-    let webview_id = pending.webview.as_ref().map(|_| context.next_webview_id());
+    let (webview_id, use_https_scheme) = pending
+      .webview
+      .as_ref()
+      .map(|w| {
+        (
+          Some(context.next_webview_id()),
+          w.webview_attributes.use_https_scheme,
+        )
+      })
+      .unwrap_or((None, false));
 
     send_user_message(
       self,
@@ -300,13 +309,19 @@ impl<T: UserEvent> Context<T> {
       context: self.clone(),
     };
 
-    let detached_webview = webview_id.map(|id| DetachedWebview {
-      label: label.clone(),
-      dispatcher: WryWebviewDispatcher {
-        window_id: Arc::new(Mutex::new(window_id)),
-        webview_id: id,
-        context: self.clone(),
-      },
+    let detached_webview = webview_id.map(|id| {
+      let webview = DetachedWebview {
+        label: label.clone(),
+        dispatcher: WryWebviewDispatcher {
+          window_id: Arc::new(Mutex::new(window_id)),
+          webview_id: id,
+          context: self.clone(),
+        },
+      };
+      DetachedWindowWebview {
+        webview,
+        use_https_scheme,
+      }
     });
 
     Ok(DetachedWindow {
@@ -746,6 +761,8 @@ impl WindowBuilder for WindowBuilderWrapper {
       builder = builder.title_bar_style(TitleBarStyle::Visible);
     }
 
+    builder = builder.title("Tauri App");
+
     builder
   }
 
@@ -2497,10 +2514,16 @@ impl<T: UserEvent> Runtime<T> for Wry<T> {
   ) -> Result<DetachedWindow<T, Self>> {
     let label = pending.label.clone();
     let window_id = self.context.next_window_id();
-    let webview_id = pending
+    let (webview_id, use_https_scheme) = pending
       .webview
       .as_ref()
-      .map(|_| self.context.next_webview_id());
+      .map(|w| {
+        (
+          Some(self.context.next_webview_id()),
+          w.webview_attributes.use_https_scheme,
+        )
+      })
+      .unwrap_or((None, false));
 
     let window = create_window(
       window_id,
@@ -2524,13 +2547,19 @@ impl<T: UserEvent> Runtime<T> for Wry<T> {
       .borrow_mut()
       .insert(window_id, window);
 
-    let detached_webview = webview_id.map(|id| DetachedWebview {
-      label: label.clone(),
-      dispatcher: WryWebviewDispatcher {
-        window_id: Arc::new(Mutex::new(window_id)),
-        webview_id: id,
-        context: self.context.clone(),
-      },
+    let detached_webview = webview_id.map(|id| {
+      let webview = DetachedWebview {
+        label: label.clone(),
+        dispatcher: WryWebviewDispatcher {
+          window_id: Arc::new(Mutex::new(window_id)),
+          webview_id: id,
+          context: self.context.clone(),
+        },
+      };
+      DetachedWindowWebview {
+        webview,
+        use_https_scheme,
+      }
     });
 
     Ok(DetachedWindow {
@@ -4026,6 +4055,11 @@ fn create_webview<T: UserEvent>(
     .with_clipboard(webview_attributes.clipboard)
     .with_hotkeys_zoom(webview_attributes.zoom_hotkeys_enabled);
 
+  #[cfg(any(target_os = "windows", target_os = "android"))]
+  {
+    webview_builder = webview_builder.with_https_scheme(webview_attributes.use_https_scheme);
+  }
+
   if webview_attributes.drag_drop_handler_enabled {
     let proxy = context.proxy.clone();
     let window_id_ = window_id.clone();
@@ -4168,11 +4202,6 @@ fn create_webview<T: UserEvent>(
     });
   }
 
-  #[cfg(windows)]
-  {
-    webview_builder = webview_builder.with_https_scheme(false);
-  }
-
   #[cfg(windows)]
   {
     webview_builder = webview_builder
@@ -4282,7 +4311,7 @@ fn create_webview<T: UserEvent>(
       builder
     }
   }
-  .map_err(|e| Error::CreateWebview(Box::new(dbg!(e))))?;
+  .map_err(|e| Error::CreateWebview(Box::new(e)))?;
 
   if kind == WebviewKind::WindowContent {
     #[cfg(any(

crates/tauri-runtime/src/webview.rs

@@ -210,6 +210,7 @@ pub struct WebviewAttributes {
   pub proxy_url: Option<Url>,
   pub zoom_hotkeys_enabled: bool,
   pub browser_extensions_enabled: bool,
+  pub use_https_scheme: bool,
 }
 
 impl From<&WindowConfig> for WebviewAttributes {
@@ -218,6 +219,7 @@ impl From<&WindowConfig> for WebviewAttributes {
       .incognito(config.incognito)
       .focused(config.focus)
       .zoom_hotkeys_enabled(config.zoom_hotkeys_enabled)
+      .use_https_scheme(config.use_https_scheme)
       .browser_extensions_enabled(config.browser_extensions_enabled);
     #[cfg(any(not(target_os = "macos"), feature = "macos-private-api"))]
     {
@@ -264,6 +266,7 @@ impl WebviewAttributes {
       proxy_url: None,
       zoom_hotkeys_enabled: false,
       browser_extensions_enabled: false,
+      use_https_scheme: false,
     }
   }
 
@@ -388,6 +391,21 @@ impl WebviewAttributes {
     self.browser_extensions_enabled = enabled;
     self
   }
+
+  /// Sets whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android. Defaults to `false`.
+  ///
+  /// ## Note
+  ///
+  /// Using a `https` scheme will NOT allow mixed content when trying to fetch `http` endpoints and therefore will not match the behavior of the `<scheme>://localhost` protocols used on macOS and Linux.
+  ///
+  /// ## Warning
+  ///
+  /// Changing this value between releases will change the IndexedDB, cookies and localstorage location and your app will not be able to access the old data.
+  #[must_use]
+  pub fn use_https_scheme(mut self, enabled: bool) -> Self {
+    self.use_https_scheme = enabled;
+    self
+  }
 }
 
 /// IPC handler.

crates/tauri-runtime/src/window.rs

@@ -512,7 +512,23 @@ pub struct DetachedWindow<T: UserEvent, R: Runtime<T>> {
   pub dispatcher: R::WindowDispatcher,
 
   /// The webview dispatcher in case this window has an attached webview.
-  pub webview: Option<DetachedWebview<T, R>>,
+  pub webview: Option<DetachedWindowWebview<T, R>>,
+}
+
+/// A detached webview associated with a window.
+#[derive(Debug)]
+pub struct DetachedWindowWebview<T: UserEvent, R: Runtime<T>> {
+  pub webview: DetachedWebview<T, R>,
+  pub use_https_scheme: bool,
+}
+
+impl<T: UserEvent, R: Runtime<T>> Clone for DetachedWindowWebview<T, R> {
+  fn clone(&self) -> Self {
+    Self {
+      webview: self.webview.clone(),
+      use_https_scheme: self.use_https_scheme,
+    }
+  }
 }
 
 impl<T: UserEvent, R: Runtime<T>> Clone for DetachedWindow<T, R> {

crates/tauri-schema-generator/schemas/config.schema.json

@@ -486,6 +486,11 @@
           "description": "Whether browser extensions can be installed for the webview process\n\n ## Platform-specific:\n\n - **Windows**: Enables the WebView2 environment's [`AreBrowserExtensionsEnabled`](https://learn.microsoft.com/en-us/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2environmentoptions?view=webview2-winrt-1.0.2739.15#arebrowserextensionsenabled)\n - **MacOS / Linux / iOS / Android** - Unsupported.",
           "default": false,
           "type": "boolean"
+        },
+        "useHttpsScheme": {
+          "description": "Sets whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android. Defaults to `false`.\n\n ## Note\n\n Using a `https` scheme will NOT allow mixed content when trying to fetch `http` endpoints and therefore will not match the behavior of the `<scheme>://localhost` protocols used on macOS and Linux.\n\n ## Warning\n\n Changing this value between releases will change the IndexedDB, cookies and localstorage location and your app will not be able to access the old data.",
+          "default": false,
+          "type": "boolean"
         }
       },
       "additionalProperties": false

crates/tauri-utils/src/config.rs

@@ -1486,6 +1486,18 @@ pub struct WindowConfig {
   /// - **MacOS / Linux / iOS / Android** - Unsupported.
   #[serde(default)]
   pub browser_extensions_enabled: bool,
+
+  /// Sets whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android. Defaults to `false`.
+  ///
+  /// ## Note
+  ///
+  /// Using a `https` scheme will NOT allow mixed content when trying to fetch `http` endpoints and therefore will not match the behavior of the `<scheme>://localhost` protocols used on macOS and Linux.
+  ///
+  /// ## Warning
+  ///
+  /// Changing this value between releases will change the IndexedDB, cookies and localstorage location and your app will not be able to access the old data.
+  #[serde(default, alias = "use-https-scheme")]
+  pub use_https_scheme: bool,
 }
 
 impl Default for WindowConfig {
@@ -1534,6 +1546,7 @@ impl Default for WindowConfig {
       proxy_url: None,
       zoom_hotkeys_enabled: false,
       browser_extensions_enabled: false,
+      use_https_scheme: false,
     }
   }
 }
@@ -2505,6 +2518,7 @@ mod build {
       let parent = opt_str_lit(self.parent.as_ref());
       let zoom_hotkeys_enabled = self.zoom_hotkeys_enabled;
       let browser_extensions_enabled = self.browser_extensions_enabled;
+      let use_https_scheme = self.use_https_scheme;
 
       literal_struct!(
         tokens,
@@ -2551,7 +2565,8 @@ mod build {
         incognito,
         parent,
         zoom_hotkeys_enabled,
-        browser_extensions_enabled
+        browser_extensions_enabled,
+        use_https_scheme
       );
     }
   }

crates/tauri/scripts/core.js

@@ -8,12 +8,13 @@
   }
 
   const osName = __TEMPLATE_os_name__
+  const protocolScheme = __TEMPLATE_protocol_scheme__
 
   Object.defineProperty(window.__TAURI_INTERNALS__, 'convertFileSrc', {
     value: function (filePath, protocol = 'asset') {
       const path = encodeURIComponent(filePath)
       return osName === 'windows' || osName === 'android'
-        ? `http://${protocol}.localhost/${path}`
+        ? `${protocolScheme}://${protocol}.localhost/${path}`
         : `${protocol}://localhost/${path}`
     }
   })