From 02bfcf6c3f5ddd806dd9a92823926eced139842f Mon Sep 17 00:00:00 2001 From: Matthew Wong Date: Tue, 28 Jul 2015 03:11:02 -0400 Subject: Create app autofill service: a dialog pops up for all password fields & has a button to paste/set a password found in the store with name matching app's --- .../java/com/zeapo/pwdstore/AutofillActivity.java | 33 ++++ .../java/com/zeapo/pwdstore/AutofillService.java | 200 +++++++++++++++++++++ 2 files changed, 233 insertions(+) create mode 100644 app/src/main/java/com/zeapo/pwdstore/AutofillActivity.java create mode 100644 app/src/main/java/com/zeapo/pwdstore/AutofillService.java (limited to 'app/src/main/java') diff --git a/app/src/main/java/com/zeapo/pwdstore/AutofillActivity.java b/app/src/main/java/com/zeapo/pwdstore/AutofillActivity.java new file mode 100644 index 00000000..d7561029 --- /dev/null +++ b/app/src/main/java/com/zeapo/pwdstore/AutofillActivity.java @@ -0,0 +1,33 @@ +package com.zeapo.pwdstore; + +import android.app.PendingIntent; +import android.content.Intent; +import android.content.IntentSender; +import android.os.Bundle; +import android.support.v7.app.AppCompatActivity; +import android.util.Log; + + +public class AutofillActivity extends AppCompatActivity { + public static final int REQUEST_CODE_DECRYPT_AND_VERIFY = 9913; + private boolean bound = false; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + Intent intent = getIntent(); + PendingIntent pi = intent.getExtras().getParcelable("pending_intent"); + try { + startIntentSenderForResult(pi.getIntentSender() + , REQUEST_CODE_DECRYPT_AND_VERIFY, null, 0, 0, 0); + } catch (IntentSender.SendIntentException e) { + Log.e(AutofillService.Constants.TAG, "SendIntentException", e); + } + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + finish(); + AutofillService.getService().decryptAndVerify(); + } +} diff --git a/app/src/main/java/com/zeapo/pwdstore/AutofillService.java b/app/src/main/java/com/zeapo/pwdstore/AutofillService.java new file mode 100644 index 00000000..ca738c67 --- /dev/null +++ b/app/src/main/java/com/zeapo/pwdstore/AutofillService.java @@ -0,0 +1,200 @@ +package com.zeapo.pwdstore; + +import android.accessibilityservice.AccessibilityService; +import android.app.PendingIntent; +import android.content.ClipData; +import android.content.ClipboardManager; +import android.content.Context; +import android.content.Intent; +import android.content.SharedPreferences; +import android.content.pm.ApplicationInfo; +import android.content.pm.PackageManager; +import android.os.Build; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.support.v7.app.AlertDialog; +import android.util.Log; +import android.view.View; +import android.view.WindowManager; +import android.view.accessibility.AccessibilityEvent; +import android.view.accessibility.AccessibilityNodeInfo; +import android.widget.Button; +import android.widget.Toast; + +import com.zeapo.pwdstore.utils.PasswordItem; +import com.zeapo.pwdstore.utils.PasswordRepository; + +import org.apache.commons.io.FileUtils; +import org.openintents.openpgp.OpenPgpError; +import org.openintents.openpgp.util.OpenPgpApi; +import org.openintents.openpgp.util.OpenPgpServiceConnection; + +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.io.UnsupportedEncodingException; +import java.util.ArrayList; + +public class AutofillService extends AccessibilityService { + private OpenPgpServiceConnection serviceConnection; + private SharedPreferences settings; + private AccessibilityNodeInfo info; // the original source of the event (the edittext field) + private ArrayList items; + private static AutofillService service; + + public final class Constants { + public static final String TAG = "Keychain"; + } + + @Override + protected void onServiceConnected() { + super.onServiceConnected(); + serviceConnection = new OpenPgpServiceConnection(AutofillService.this, "org.sufficientlysecure.keychain"); + serviceConnection.bindToService(); + settings = PreferenceManager.getDefaultSharedPreferences(this); + service = this; + } + + public static AutofillService getService() { + return service; + } + + @Override + public void onAccessibilityEvent(AccessibilityEvent event) { + if (!event.isPassword() || Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) { + return; + } + info = event.getSource(); + PackageManager packageManager = getPackageManager(); + ApplicationInfo applicationInfo; + try { + applicationInfo = packageManager.getApplicationInfo(event.getPackageName().toString(), 0); + } catch (PackageManager.NameNotFoundException e) { + applicationInfo = null; + } + String appName = (applicationInfo != null ? packageManager.getApplicationLabel(applicationInfo) : "").toString(); + if (appName.equals("OpenKeychain")) { + return; + } + items = recursiveFilter(appName, null); + if (items.isEmpty()) { + return; + } + ArrayList itemNames = new ArrayList<>(); + for (PasswordItem item : items) { + itemNames.add(item.toString()); + } + + AlertDialog.Builder builder = new AlertDialog.Builder(this, R.style.Theme_AppCompat_Light_Dialog_Alert); + builder.setNegativeButton("Cancel", null); + builder.setView(R.layout.autofill_layout); + final AlertDialog dialog = builder.create(); + + dialog.setTitle("Fill with Password Store"); + dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); + dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE); + dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND); + dialog.show(); + ((Button) dialog.findViewById(R.id.button)).setText(itemNames.get(0).toString()); + dialog.findViewById(R.id.button).setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + decryptAndVerify(); + dialog.dismiss(); + } + }); + } + + private ArrayList recursiveFilter(String filter, File dir) { + ArrayList items = new ArrayList<>(); + if (!PasswordRepository.isInitialized()) { + return items; + } + ArrayList passwordItems = dir == null ? + PasswordRepository.getPasswords() : + PasswordRepository.getPasswords(dir); + for (PasswordItem item : passwordItems) { + if (item.getType() == PasswordItem.TYPE_CATEGORY) { + recursiveFilter(filter, item.getFile()); + } + if (item.toString().toLowerCase().contains(filter.toLowerCase())) { + items.add(item); + } + } + return items; + } + + @Override + public void onInterrupt() { + + } + + public void decryptAndVerify() { + Intent data = new Intent(); + data.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY); + InputStream is = null; + try { + is = FileUtils.openInputStream(items.get(0).getFile()); + } catch (IOException e) { + e.printStackTrace(); + } + ByteArrayOutputStream os = new ByteArrayOutputStream(); + + OpenPgpApi api = new OpenPgpApi(AutofillService.this, serviceConnection.getService()); + Intent result = api.executeApi(data, is, os); + switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR)) { + case OpenPgpApi.RESULT_CODE_SUCCESS: { + try { + String[] passContent = os.toString("UTF-8").split("\n"); + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { + // if the user focused on something else, take focus back + // but this will open another dialog... + info.performAction(AccessibilityNodeInfo.ACTION_FOCUS); + Bundle args = new Bundle(); + args.putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE, + passContent[0]); + info.performAction(AccessibilityNodeInfo.ACTION_SET_TEXT, args); + } else { + info.performAction(AccessibilityNodeInfo.ACTION_FOCUS); + ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE); + ClipData clip = ClipData.newPlainText("autofill_pm", passContent[0]); + clipboard.setPrimaryClip(clip); + info.performAction(AccessibilityNodeInfo.ACTION_PASTE); + clip = ClipData.newPlainText("autofill_pm", "MyPasswordIsDaBest!"); + clipboard.setPrimaryClip(clip); + if (settings.getBoolean("clear_clipboard_20x", false)) { + for (int i = 0; i < 19; i++) { + clip = ClipData.newPlainText(String.valueOf(i), String.valueOf(i)); + clipboard.setPrimaryClip(clip); + } + } + } + } catch (UnsupportedEncodingException e) { + Log.e(Constants.TAG, "UnsupportedEncodingException", e); + } + break; + } + case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: { + Log.i("PgpHandler", "RESULT_CODE_USER_INTERACTION_REQUIRED"); + PendingIntent pi = result.getParcelableExtra(OpenPgpApi.RESULT_INTENT); + // need to start a blank activity to call startIntentSenderForResult + Intent intent = new Intent(AutofillService.this, AutofillActivity.class); + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK + | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); + intent.putExtra("pending_intent", pi); + startActivity(intent); + break; + } + case OpenPgpApi.RESULT_CODE_ERROR: { + OpenPgpError error = result.getParcelableExtra(OpenPgpApi.RESULT_ERROR); + Toast.makeText(AutofillService.this, + "Error from OpenKeyChain : " + error.getMessage(), + Toast.LENGTH_LONG).show(); + Log.e(Constants.TAG, "onError getErrorId:" + error.getErrorId()); + Log.e(Constants.TAG, "onError getMessage:" + error.getMessage()); + break; + } + } + } +} -- cgit v1.2.3