From c1d2beb55986138a21a40cc6ba6d64684e1798dc Mon Sep 17 00:00:00 2001
From: Adithya Abraham Philip <adithyaphilip@gmail.com>
Date: Sat, 11 Jul 2015 16:31:29 +0530
Subject: made PassphraseDialogActivity compatible with null CryptoInputParcel

---
 .../keychain/ui/NfcOperationActivity.java            | 20 ++++++++++++++++----
 .../keychain/ui/PassphraseDialogActivity.java        |  5 +++++
 .../keychain/ui/base/CryptoOperationHelper.java      |  4 ++--
 3 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java
index 8802cd621..e9066b76c 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/NfcOperationActivity.java
@@ -43,11 +43,12 @@ import java.util.Arrays;
 public class NfcOperationActivity extends BaseNfcActivity {
 
     public static final String EXTRA_REQUIRED_INPUT = "required_input";
+    public static final String EXTRA_CRYPTO_INPUT = "crypto_input";
 
     // passthrough for OpenPgpService
     public static final String EXTRA_SERVICE_INTENT = "data";
 
-    public static final String RESULT_DATA = "result_data";
+    public static final String RESULT_CRYPTO_INPUT = "result_data";
 
     public ViewAnimator vAnimator;
     public TextView vErrorText;
@@ -67,6 +68,14 @@ public class NfcOperationActivity extends BaseNfcActivity {
 
         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 
+        mInputParcel = getIntent().getParcelableExtra(EXTRA_CRYPTO_INPUT);
+
+        if (mInputParcel == null) {
+            // for compatibility when used from OpenPgpService
+            // (or any place other than CryptoOperationHelper)
+            mInputParcel = new CryptoInputParcel(mRequiredInput.mSignatureTime);
+        }
+
         setTitle(R.string.nfc_text);
 
         vAnimator = (ViewAnimator) findViewById(R.id.view_animator);
@@ -112,8 +121,6 @@ public class NfcOperationActivity extends BaseNfcActivity {
     @Override
     protected void doNfcInBackground() throws IOException {
 
-        mInputParcel = new CryptoInputParcel(mRequiredInput.mSignatureTime);
-
         switch (mRequiredInput.mType) {
             case NFC_DECRYPT: {
                 for (int i = 0; i < mRequiredInput.mInputData.length; i++) {
@@ -218,11 +225,16 @@ public class NfcOperationActivity extends BaseNfcActivity {
     @Override
     protected void onNfcPostExecute() throws IOException {
         if (mServiceIntent != null) {
+            // if we're triggered by OpenPgpService
             CryptoInputParcelCacheService.addCryptoInputParcel(this, mServiceIntent, mInputParcel);
+            mServiceIntent.putExtra(EXTRA_CRYPTO_INPUT,
+                    getIntent().getParcelableExtra(EXTRA_CRYPTO_INPUT));
             setResult(RESULT_OK, mServiceIntent);
         } else {
             Intent result = new Intent();
-            result.putExtra(NfcOperationActivity.RESULT_DATA, mInputParcel);
+            result.putExtra(RESULT_CRYPTO_INPUT, mInputParcel);
+            // send back the CryptoInputParcel we receive, to conform with the pattern in
+            // CryptoOperationHelper
             setResult(RESULT_OK, result);
         }
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java
index c9f6423d6..d68b39fc1 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/PassphraseDialogActivity.java
@@ -95,6 +95,11 @@ public class PassphraseDialogActivity extends FragmentActivity {
 
         mCryptoInputParcel = getIntent().getParcelableExtra(EXTRA_CRYPTO_INPUT);
 
+        if (mCryptoInputParcel == null) {
+            // not all usages of PassphraseActivity are from CryptoInputOperation
+            mCryptoInputParcel = new CryptoInputParcel();
+        }
+
         // this activity itself has no content view (see manifest)
 
         if (getIntent().hasExtra(EXTRA_SUBKEY_ID)) {
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java
index 932b6c007..b33128978 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/CryptoOperationHelper.java
@@ -120,13 +120,13 @@ public class CryptoOperationHelper<T extends Parcelable, S extends OperationResu
         Activity activity = mUseFragment ? mFragment.getActivity() : mActivity;
 
         switch (requiredInput.mType) {
-            // TODO: make NfcOperationActivity add to cryptoInputParcel
             // always use CryptoOperationHelper.startActivityForResult!
             case NFC_MOVE_KEY_TO_CARD:
             case NFC_DECRYPT:
             case NFC_SIGN: {
                 Intent intent = new Intent(activity, NfcOperationActivity.class);
                 intent.putExtra(NfcOperationActivity.EXTRA_REQUIRED_INPUT, requiredInput);
+                intent.putExtra(NfcOperationActivity.EXTRA_CRYPTO_INPUT, cryptoInputParcel);
                 startActivityForResult(intent, REQUEST_CODE_NFC);
                 return;
             }
@@ -202,7 +202,7 @@ public class CryptoOperationHelper<T extends Parcelable, S extends OperationResu
             case REQUEST_CODE_NFC: {
                 if (resultCode == Activity.RESULT_OK && data != null) {
                     CryptoInputParcel cryptoInput =
-                            data.getParcelableExtra(NfcOperationActivity.RESULT_DATA);
+                            data.getParcelableExtra(NfcOperationActivity.RESULT_CRYPTO_INPUT);
                     cryptoOperation(cryptoInput);
                 }
                 break;
-- 
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