feat: saveToken plugin for app groups on iOS

This will allow the share extension to access the Bearer token to send
images to the backend.

tauri-plugin-ios-shared-token/src/commands.rs

@@ -0,0 +1,13 @@
+use tauri::{AppHandle, command, Runtime};
+
+use crate::models::*;
+use crate::Result;
+use crate::IosSharedTokenExt;
+
+#[command]
+pub(crate) async fn ping<R: Runtime>(
+    app: AppHandle<R>,
+    payload: PingRequest,
+) -> Result<PingResponse> {
+    app.ios_shared_token().ping(payload)
+}

tauri-plugin-ios-shared-token/src/desktop.rs

@@ -0,0 +1,22 @@
+use serde::de::DeserializeOwned;
+use tauri::{plugin::PluginApi, AppHandle, Runtime};
+
+use crate::models::*;
+
+pub fn init<R: Runtime, C: DeserializeOwned>(
+  app: &AppHandle<R>,
+  _api: PluginApi<R, C>,
+) -> crate::Result<IosSharedToken<R>> {
+  Ok(IosSharedToken(app.clone()))
+}
+
+/// Access to the ios-shared-token APIs.
+pub struct IosSharedToken<R: Runtime>(AppHandle<R>);
+
+impl<R: Runtime> IosSharedToken<R> {
+  pub fn ping(&self, payload: PingRequest) -> crate::Result<PingResponse> {
+    Ok(PingResponse {
+      value: payload.value,
+    })
+  }
+}

tauri-plugin-ios-shared-token/src/error.rs

@@ -0,0 +1,21 @@
+use serde::{ser::Serializer, Serialize};
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+  #[error(transparent)]
+  Io(#[from] std::io::Error),
+  #[cfg(mobile)]
+  #[error(transparent)]
+  PluginInvoke(#[from] tauri::plugin::mobile::PluginInvokeError),
+}
+
+impl Serialize for Error {
+  fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+  where
+    S: Serializer,
+  {
+    serializer.serialize_str(self.to_string().as_ref())
+  }
+}

tauri-plugin-ios-shared-token/src/lib.rs

@@ -0,0 +1,48 @@
+use tauri::{
+  plugin::{Builder, TauriPlugin},
+  Manager, Runtime,
+};
+
+pub use models::*;
+
+#[cfg(desktop)]
+mod desktop;
+#[cfg(mobile)]
+mod mobile;
+
+mod commands;
+mod error;
+mod models;
+
+pub use error::{Error, Result};
+
+#[cfg(desktop)]
+use desktop::IosSharedToken;
+#[cfg(mobile)]
+use mobile::IosSharedToken;
+
+/// Extensions to [`tauri::App`], [`tauri::AppHandle`] and [`tauri::Window`] to access the ios-shared-token APIs.
+pub trait IosSharedTokenExt<R: Runtime> {
+  fn ios_shared_token(&self) -> &IosSharedToken<R>;
+}
+
+impl<R: Runtime, T: Manager<R>> crate::IosSharedTokenExt<R> for T {
+  fn ios_shared_token(&self) -> &IosSharedToken<R> {
+    self.state::<IosSharedToken<R>>().inner()
+  }
+}
+
+/// Initializes the plugin.
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+  Builder::new("ios-shared-token")
+    .invoke_handler(tauri::generate_handler![commands::ping])
+    .setup(|app, api| {
+      #[cfg(mobile)]
+      let ios_shared_token = mobile::init(app, api)?;
+      #[cfg(desktop)]
+      let ios_shared_token = desktop::init(app, api)?;
+      app.manage(ios_shared_token);
+      Ok(())
+    })
+    .build()
+}

tauri-plugin-ios-shared-token/src/mobile.rs

@@ -0,0 +1,34 @@
+use serde::de::DeserializeOwned;
+use tauri::{
+  plugin::{PluginApi, PluginHandle},
+  AppHandle, Runtime,
+};
+
+use crate::models::*;
+
+#[cfg(target_os = "ios")]
+tauri::ios_plugin_binding!(init_plugin_ios_shared_token);
+
+// initializes the Kotlin or Swift plugin classes
+pub fn init<R: Runtime, C: DeserializeOwned>(
+  _app: &AppHandle<R>,
+  api: PluginApi<R, C>,
+) -> crate::Result<IosSharedToken<R>> {
+  #[cfg(target_os = "android")]
+  let handle = api.register_android_plugin("", "ExamplePlugin")?;
+  #[cfg(target_os = "ios")]
+  let handle = api.register_ios_plugin(init_plugin_ios_shared_token)?;
+  Ok(IosSharedToken(handle))
+}
+
+/// Access to the ios-shared-token APIs.
+pub struct IosSharedToken<R: Runtime>(PluginHandle<R>);
+
+impl<R: Runtime> IosSharedToken<R> {
+  pub fn ping(&self, payload: PingRequest) -> crate::Result<PingResponse> {
+    self
+      .0
+      .run_mobile_plugin("ping", payload)
+      .map_err(Into::into)
+  }
+}

tauri-plugin-ios-shared-token/src/models.rs

@@ -0,0 +1,13 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PingRequest {
+  pub value: Option<String>,
+}
+
+#[derive(Debug, Clone, Default, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PingResponse {
+  pub value: Option<String>,
+}