feat(tauri-build): add option to specify Windows manifest, closes #5584 (#5730)

Co-authored-by: Lucas Nogueira <lucas@tauri.studio>

.changes/tauri-build-windows-manifest.md

@@ -0,0 +1,5 @@
+---
+"tauri-build": "minor"
+---
+
+Add `WindowsAttributes::app_manifest` to specify the application manifest on Windows.

core/tauri-build/src/lib.rs

@@ -110,6 +110,15 @@ pub struct WindowsAttributes {
   ///
   /// If it is left unset, it will look up a path in the registry, i.e. HKLM\SOFTWARE\Microsoft\Windows Kits\Installed Roots
   sdk_dir: Option<PathBuf>,
+  /// A string containing an [application manifest] to be included with the application on Windows.
+  ///
+  /// Defaults to:
+  /// ```ignore
+  #[doc = include_str!("window-app-manifest.xml")]
+  /// ```
+  ///
+  /// [application manifest]: https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests
+  app_manifest: Option<String>,
 }
 
 impl WindowsAttributes {
@@ -135,6 +144,45 @@ impl WindowsAttributes {
     self.sdk_dir = Some(sdk_dir.as_ref().into());
     self
   }
+
+  /// Sets the Windows app [manifest].
+  ///
+  /// # Example
+  ///
+  /// The following manifest will brand the exe as requesting administrator privileges.
+  /// Thus, everytime it is executed, a Windows UAC dialog will appear.
+  ///
+  /// Note that you can move the manifest contents to a separate file and use `include_str!("manifest.xml")`
+  /// instead of the inline string.
+  ///
+  /// ```rust,no_run
+  /// let mut windows = tauri_build::WindowsAttributes::new();
+  /// windows = windows.app_manifest(r#"
+  /// <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  /// <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+  ///     <security>
+  ///         <requestedPrivileges>
+  ///             <requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
+  ///         </requestedPrivileges>
+  ///     </security>
+  /// </trustInfo>
+  /// </assembly>
+  /// "#);
+  /// tauri_build::try_build(
+  ///   tauri_build::Attributes::new().windows_attributes(windows)
+  /// ).expect("failed to run build script");
+  /// ```
+  ///
+  /// Defaults to:
+  /// ```ignore
+  #[doc = include_str!("window-app-manifest.xml")]
+  /// [manifest]: https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests
+  /// ```
+  #[must_use]
+  pub fn app_manifest<S: AsRef<str>>(mut self, manifest: S) -> Self {
+    self.app_manifest = Some(manifest.as_ref().to_string());
+    self
+  }
 }
 
 /// The attributes used on the build.
@@ -336,24 +384,11 @@ pub fn try_build(attributes: Attributes) -> Result<()> {
     if window_icon_path.exists() {
       let mut res = WindowsResource::new();
 
-      res.set_manifest(
-        r#"
-        <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
-          <dependency>
-              <dependentAssembly>
-                  <assemblyIdentity
-                      type="win32"
-                      name="Microsoft.Windows.Common-Controls"
-                      version="6.0.0.0"
-                      processorArchitecture="*"
-                      publicKeyToken="6595b64144ccf1df"
-                      language="*"
-                  />
-              </dependentAssembly>
-          </dependency>
-        </assembly>
-        "#,
-      );
+      if let Some(manifest) = attributes.windows_attributes.app_manifest {
+        res.set_manifest(&manifest);
+      } else {
+        res.set_manifest(include_str!("window-app-manifest.xml"));
+      }
 
       if let Some(sdk_dir) = &attributes.windows_attributes.sdk_dir {
         if let Some(sdk_dir_str) = sdk_dir.to_str() {

core/tauri-build/src/window-app-manifest.xml

@@ -0,0 +1,14 @@
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity
+        type="win32"
+        name="Microsoft.Windows.Common-Controls"
+        version="6.0.0.0"
+        processorArchitecture="*"
+        publicKeyToken="6595b64144ccf1df"
+        language="*"
+      />
+    </dependentAssembly>
+  </dependency>
+</assembly>