From 9fc348abd3968c2a4ee8857ddfaba2eb52c34d9b Mon Sep 17 00:00:00 2001
From: jcesarmobile <jcesarmobile@gmail.com>
Date: Tue, 24 Sep 2019 15:27:35 +0200
Subject: [PATCH] fix(android): handle input file when accept have file
 extensions (#1990)

---
 .../getcapacitor/BridgeWebChromeClient.java   | 23 +++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/android/capacitor/src/main/java/com/getcapacitor/BridgeWebChromeClient.java b/android/capacitor/src/main/java/com/getcapacitor/BridgeWebChromeClient.java
index d5834ddd1..e01968e1b 100644
--- a/android/capacitor/src/main/java/com/getcapacitor/BridgeWebChromeClient.java
+++ b/android/capacitor/src/main/java/com/getcapacitor/BridgeWebChromeClient.java
@@ -12,6 +12,7 @@
 import android.webkit.GeolocationPermissions;
 import android.webkit.JsPromptResult;
 import android.webkit.JsResult;
+import android.webkit.MimeTypeMap;
 import android.webkit.PermissionRequest;
 import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient;
@@ -303,8 +304,8 @@ private void showFilePicker(final ValueCallback<Uri[]> filePathCallback, FileCho
       intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
     }
     if (fileChooserParams.getAcceptTypes().length > 1) {
-      intent.setType("*/*");
-      intent.putExtra(Intent.EXTRA_MIME_TYPES, fileChooserParams.getAcceptTypes());
+      String[] validTypes = getValidTypes(fileChooserParams.getAcceptTypes());
+      intent.putExtra(Intent.EXTRA_MIME_TYPES, validTypes);
     }
     try {
       bridge.cordovaInterface.startActivityForResult(new CordovaPlugin() {
@@ -329,6 +330,24 @@ public void onActivityResult(int requestCode, int resultCode, Intent intent) {
     }
   }
 
+  private String[] getValidTypes(String[] currentTypes) {
+    List<String> validTypes = new ArrayList<>();
+    MimeTypeMap mtm = MimeTypeMap.getSingleton();
+    for (String mime : currentTypes) {
+      if (mime.startsWith(".")) {
+        String extension = mime.substring(1);
+        String extensionMime = mtm.getMimeTypeFromExtension(extension);
+        if (extensionMime != null && !validTypes.contains(extensionMime)) {
+          validTypes.add(extensionMime);
+        }
+      } else if (!validTypes.contains(mime)) {
+        validTypes.add(mime);
+      }
+    }
+    Object[] validObj = validTypes.toArray();
+    return Arrays.copyOf(validObj, validObj.length, String[].class);
+  }
+
   @Override
   public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
     String tag = "Capacitor/Console";