refactor: read local file with fs plugin for Tauri App, closes #553 and closes #489 (#785)

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/android/src/main/java/NativeBridgePlugin.kt

@@ -1,18 +1,26 @@
 package com.readest.native_bridge
 
 import android.app.Activity
+import android.net.Uri
 import app.tauri.annotation.Command
 import app.tauri.annotation.InvokeArg
 import app.tauri.annotation.TauriPlugin
 import app.tauri.plugin.JSObject
 import app.tauri.plugin.Plugin
 import app.tauri.plugin.Invoke
+import java.io.*
 
 @InvokeArg
 class SafariAuthRequestArgs {
   var authUrl: String? = null
 }
 
+@InvokeArg
+class CopyURIRequestArgs {
+  var uri: String? = null
+  var dst: String? = null
+}
+
 @TauriPlugin
 class NativeBridgePlugin(private val activity: Activity): Plugin(activity) {
     private val implementation = NativeBridge()
@@ -25,4 +33,31 @@ class NativeBridgePlugin(private val activity: Activity): Plugin(activity) {
         ret.put("redirectUrl", implementation.auth_with_safari(args.authUrl ?: ""))
         invoke.resolve(ret)
     }
+
+    @Command
+    fun copy_uri_to_path(invoke: Invoke) {
+        val args = invoke.parseArgs(CopyURIRequestArgs::class.java)
+        val ret = JSObject()
+        try {
+            val uri = Uri.parse(args.uri ?: "")
+            val dst = File(args.dst ?: "")
+            val inputStream = activity.contentResolver.openInputStream(uri)
+
+            if (inputStream != null) {
+                dst.outputStream().use { output ->
+                    inputStream.use { input ->
+                        input.copyTo(output)
+                    }
+                }
+                ret.put("success", true)
+            } else {
+                ret.put("success", false)
+                ret.put("error", "Failed to open input stream from URI")
+            }
+        } catch (e: Exception) {
+            ret.put("success", false)
+            ret.put("error", e.message)
+        }
+        invoke.resolve(ret)
+    }
 }

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/build.rs

@@ -1,8 +1,8 @@
-const COMMANDS: &[&str] = &["auth_with_safari"];
+const COMMANDS: &[&str] = &["auth_with_safari", "copy_uri_to_path"];
 
 fn main() {
-  tauri_plugin::Builder::new(COMMANDS)
-    .android_path("android")
-    .ios_path("ios")
-    .build();
+    tauri_plugin::Builder::new(COMMANDS)
+        .android_path("android")
+        .ios_path("ios")
+        .build();
 }

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/autogenerated/commands/copy_uri_to_path.toml

@@ -0,0 +1,13 @@
+# Automatically generated - DO NOT EDIT!
+
+"$schema" = "../../schemas/schema.json"
+
+[[permission]]
+identifier = "allow-copy-uri-to-path"
+description = "Enables the copy_uri_to_path command without any pre-configured scope."
+commands.allow = ["copy_uri_to_path"]
+
+[[permission]]
+identifier = "deny-copy-uri-to-path"
+description = "Denies the copy_uri_to_path command without any pre-configured scope."
+commands.deny = ["copy_uri_to_path"]

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/autogenerated/reference.md

@@ -3,6 +3,7 @@
 Default permissions for the plugin
 
 - `allow-auth-with-safari`
+- `allow-copy-uri-to-path`
 
 ## Permission Table
 
@@ -36,6 +37,32 @@ Enables the auth_with_safari command without any pre-configured scope.
 
 Denies the auth_with_safari command without any pre-configured scope.
 
+</td>
+</tr>
+
+<tr>
+<td>
+
+`native-bridge:allow-copy-uri-to-path`
+
+</td>
+<td>
+
+Enables the copy_uri_to_path command without any pre-configured scope.
+
+</td>
+</tr>
+
+<tr>
+<td>
+
+`native-bridge:deny-copy-uri-to-path`
+
+</td>
+<td>
+
+Denies the copy_uri_to_path command without any pre-configured scope.
+
 </td>
 </tr>
 </table>

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/default.toml

@@ -1,3 +1,3 @@
 [default]
 description = "Default permissions for the plugin"
-permissions = ["allow-auth-with-safari"]
+permissions = ["allow-auth-with-safari", "allow-copy-uri-to-path"]

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/permissions/schemas/schema.json

@@ -304,6 +304,16 @@
           "type": "string",
           "const": "deny-auth-with-safari"
         },
+        {
+          "description": "Enables the copy_uri_to_path command without any pre-configured scope.",
+          "type": "string",
+          "const": "allow-copy-uri-to-path"
+        },
+        {
+          "description": "Denies the copy_uri_to_path command without any pre-configured scope.",
+          "type": "string",
+          "const": "deny-copy-uri-to-path"
+        },
         {
           "description": "Default permissions for the plugin",
           "type": "string",

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/commands.rs

@@ -11,3 +11,11 @@ pub(crate) async fn auth_with_safari<R: Runtime>(
 ) -> Result<SafariAuthResponse> {
     app.native_bridge().auth_with_safari(payload)
 }
+
+#[command]
+pub(crate) async fn copy_uri_to_path<R: Runtime>(
+    app: AppHandle<R>,
+    payload: CopyURIRequest,
+) -> Result<CopyURIResponse> {
+    app.native_bridge().copy_uri_to_path(payload)
+}

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/desktop.rs

@@ -20,4 +20,8 @@ impl<R: Runtime> NativeBridge<R> {
     ) -> crate::Result<SafariAuthResponse> {
         Err(crate::Error::UnsupportedPlatformError)
     }
+
+    pub fn copy_uri_to_path(&self, _payload: CopyURIRequest) -> crate::Result<CopyURIResponse> {
+        Err(crate::Error::UnsupportedPlatformError)
+    }
 }

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/lib.rs

@@ -36,7 +36,10 @@ impl<R: Runtime, T: Manager<R>> crate::NativeBridgeExt<R> for T {
 /// Initializes the plugin.
 pub fn init<R: Runtime>() -> TauriPlugin<R> {
     Builder::new("native-bridge")
-        .invoke_handler(tauri::generate_handler![commands::auth_with_safari])
+        .invoke_handler(tauri::generate_handler![
+            commands::auth_with_safari,
+            commands::copy_uri_to_path,
+        ])
         .setup(|app, api| {
             #[cfg(mobile)]
             let native_bridge = mobile::init(app, api)?;

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/mobile.rs

@@ -34,3 +34,11 @@ impl<R: Runtime> NativeBridge<R> {
             .map_err(Into::into)
     }
 }
+
+impl<R: Runtime> NativeBridge<R> {
+    pub fn copy_uri_to_path(&self, payload: CopyURIRequest) -> crate::Result<CopyURIResponse> {
+        self.0
+            .run_mobile_plugin("copy_uri_to_path", payload)
+            .map_err(Into::into)
+    }
+}

apps/readest-app/src-tauri/plugins/tauri-plugin-native-bridge/src/models.rs

@@ -11,3 +11,17 @@ pub struct SafariAuthRequest {
 pub struct SafariAuthResponse {
     pub redirect_url: String,
 }
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CopyURIRequest {
+    pub uri: String,
+    pub dst: String,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CopyURIResponse {
+    pub success: bool,
+    pub error: Option<String>,
+}