From c22e2baa793d30f2af27a2a10ab7817bdbf347ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= <dominik@dominikschuermann.de>
Date: Tue, 9 Feb 2016 21:14:07 +0100
Subject: Fix SecurityException on Android 6 due to remove contacts on disabled
 sync

---
 .../sufficientlysecure/keychain/KeychainApplication.java    |  2 +-
 .../keychain/service/ContactSyncAdapterService.java         | 13 ++++++++++---
 .../sufficientlysecure/keychain/ui/base/BaseActivity.java   |  2 +-
 3 files changed, 12 insertions(+), 5 deletions(-)

(limited to 'OpenKeychain')

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainApplication.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainApplication.java
index 32d993e2a..976278581 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainApplication.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/KeychainApplication.java
@@ -129,7 +129,7 @@ public class KeychainApplication extends Application {
             Account account = new Account(Constants.ACCOUNT_NAME, Constants.ACCOUNT_TYPE);
             if (accounts.length == 0) {
                 if (!manager.addAccountExplicitly(account, null, null)) {
-                    Log.d(Constants.TAG, "account already exists, the account is null, or another error occured");
+                    Log.d(Constants.TAG, "error when adding account via addAccountExplicitly");
                     return null;
                 } else {
                     return account;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/ContactSyncAdapterService.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/ContactSyncAdapterService.java
index 4107e3167..cdfe2f1ce 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/ContactSyncAdapterService.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/ContactSyncAdapterService.java
@@ -17,6 +17,7 @@
 
 package org.sufficientlysecure.keychain.service;
 
+import android.Manifest;
 import android.accounts.Account;
 import android.app.PendingIntent;
 import android.app.Service;
@@ -26,12 +27,14 @@ import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SyncResult;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.preference.PreferenceActivity;
 import android.provider.ContactsContract;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.app.NotificationManagerCompat;
+import android.support.v4.content.ContextCompat;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.KeychainApplication;
@@ -152,9 +155,7 @@ public class ContactSyncAdapterService extends Service {
 
     public static void enableContactsSync(Context context) {
         Account account = KeychainApplication.createAccountIfNecessary(context);
-
         if (account == null) {
-            // nothing we can do
             return;
         }
 
@@ -163,12 +164,18 @@ public class ContactSyncAdapterService extends Service {
     }
 
     public static void deleteIfSyncDisabled(Context context) {
+        if (!(ContextCompat.checkSelfPermission(context, Manifest.permission.READ_CONTACTS)
+                == PackageManager.PERMISSION_GRANTED)) {
+            return;
+        }
+
         Account account = KeychainApplication.createAccountIfNecessary(context);
         if (account == null) {
             return;
         }
+
         // if user has disabled automatic sync, delete linked OpenKeychain contacts
-        if(!ContentResolver.getSyncAutomatically(account, ContactsContract.AUTHORITY)) {
+        if (!ContentResolver.getSyncAutomatically(account, ContactsContract.AUTHORITY)) {
             new ContactHelper(context).deleteAllContacts();
         }
     }
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseActivity.java
index c9aaa9da5..107c63e0b 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/base/BaseActivity.java
@@ -67,7 +67,7 @@ public abstract class BaseActivity extends AppCompatActivity {
 
     public static void onResumeChecks(Context context) {
         KeyserverSyncAdapterService.cancelUpdates(context);
-        // in case user has disabled sync from settings
+        // in case user has disabled sync from Android account settings
         ContactSyncAdapterService.deleteIfSyncDisabled(context);
     }
 
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