feat(iOS): support open file with Readest in Files App, closes #2334 (#2705)

apps/readest-app/src/services/nativeAppService.ts

@@ -194,7 +194,7 @@ export const nativeFileSystem: FileSystem = {
     let fname = name || getFilename(fp);
     if (isValidURL(path)) {
       return await new RemoteFile(path, fname).open();
-    } else if (isContentURI(path)) {
+    } else if (isContentURI(path) || (isFileURI(path) && OS_TYPE === 'ios')) {
       fname = await basename(path);
       if (path.includes('com.android.externalstorage')) {
         // If the URI is from shared internal storage (like /storage/emulated/0),
@@ -202,6 +202,7 @@ export const nativeFileSystem: FileSystem = {
         return await new NativeFile(fp, fname, baseDir ? baseDir : null).open();
       } else {
         // Otherwise, for content:// URIs (e.g. from MediaStore, Drive, or third-party apps),
+        // or file:// URIs is security scoped resource in iOS (e.g. from Files app),
         // we cannot access the file directly — so we copy it to a temporary cache location.
         const prefix = await this.getPrefix('Cache');
         const dst = await join(prefix, fname);