feat: read/write stream and RN0.80 upgrade

Author: ian-wd

android/src/main/java/com/margelo/nitro/fs2/Fs2Stream.kt

@@ -16,6 +16,7 @@ import java.io.RandomAccessFile
 import java.security.MessageDigest
 import androidx.core.net.toUri
 import com.facebook.react.bridge.ReactApplicationContext
+import com.margelo.nitro.fs2.utils.Fs2Util
 
 class RNFSManager(private val context: ReactApplicationContext) {
     companion object {

android/src/main/java/com/margelo/nitro/fs2/RNFSManager.kt

@@ -0,0 +1,43 @@
+package com.margelo.nitro.fs2.utils
+
+import android.content.Context
+import android.net.Uri
+import android.provider.MediaStore
+import androidx.core.net.toUri
+import java.io.File
+import com.margelo.nitro.fs2.IORejectionException
+
+object Fs2Util {
+    fun getFileUri(filepath: String, isDirectoryAllowed: Boolean = false): Uri {
+        val uri = filepath.toUri()
+        if (uri.scheme == null) {
+            val file = File(filepath)
+            if (!isDirectoryAllowed && file.isDirectory) {
+                throw IORejectionException(
+                    "EISDIR",
+                    "EISDIR: illegal operation on a directory, read '$filepath'"
+                )
+            }
+            return "file://$filepath".toUri()
+        }
+        return uri
+    }
+
+    fun getOriginalFilepath(context: Context, filepath: String, isDirectoryAllowed: Boolean = false): String {
+        val uri = getFileUri(filepath, isDirectoryAllowed)
+        var originalFilepath = filepath
+        if ("content" == uri.scheme) {
+            try {
+                context.contentResolver.query(uri, null, null, null, null)?.use { cursor ->
+                    if (cursor.moveToFirst()) {
+                        val columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA)
+                        originalFilepath = cursor.getString(columnIndex)
+                    }
+                }
+            } catch (e: IllegalArgumentException) {
+                // Ignored in original code
+            }
+        }
+        return originalFilepath
+    }
+}