feat(http): add plugin (#325)

plugins/http/src/lib.rs

@@ -0,0 +1,52 @@
+pub use reqwest as client;
+use tauri::{
+    plugin::{Builder, TauriPlugin},
+    AppHandle, Manager, Runtime,
+};
+
+use std::{collections::HashMap, sync::Mutex};
+
+mod commands;
+mod error;
+mod scope;
+
+pub use error::Error;
+type Result<T> = std::result::Result<T, Error>;
+type ClientId = u32;
+
+pub struct Http<R: Runtime> {
+    #[allow(dead_code)]
+    app: AppHandle<R>,
+    pub(crate) clients: Mutex<HashMap<ClientId, commands::Client>>,
+    pub(crate) scope: scope::Scope,
+}
+
+impl<R: Runtime> Http<R> {}
+
+pub trait HttpExt<R: Runtime> {
+    fn http(&self) -> &Http<R>;
+}
+
+impl<R: Runtime, T: Manager<R>> HttpExt<R> for T {
+    fn http(&self) -> &Http<R> {
+        self.state::<Http<R>>().inner()
+    }
+}
+
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+    Builder::new("http")
+        .invoke_handler(tauri::generate_handler![
+            commands::create_client,
+            commands::drop_client,
+            commands::request
+        ])
+        .setup(|app, _api| {
+            app.manage(Http {
+                app: app.clone(),
+                clients: Default::default(),
+                scope: scope::Scope::new(&app.config().tauri.allowlist.http.scope),
+            });
+            Ok(())
+        })
+        .build()
+}