First version of automatic contact discovery.

TODO:
- Configuration (much of it)
- Enabled by default?
- Which keys to import? Current state: All non-revoked and non-expired with matching userid
- Search for keys if already known? Current state: yes, may cause traffic (configuration: only when wifi?)
- Update interval: Currently Android handles it, might be good (causes automatic refresh on new contact and stuff like that) or bad (too many of refreshes)

1 files changed, 70 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/ContactSyncAdapterService.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/ContactSyncAdapterService.java
new file mode 100644
index 000000000..4d0397196
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/ContactSyncAdapterService.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.service;
+
+import android.accounts.Account;
+import android.app.Service;
+import android.content.AbstractThreadedSyncAdapter;
+import android.content.ContentProviderClient;
+import android.content.Intent;
+import android.content.SyncResult;
+import android.os.*;
+import org.sufficientlysecure.keychain.helper.EmailKeyHelper;
+import org.sufficientlysecure.keychain.util.Log;
+
+public class ContactSyncAdapterService extends Service {
+
+    private class ContactSyncAdapter extends AbstractThreadedSyncAdapter {
+
+        public ContactSyncAdapter() {
+            super(ContactSyncAdapterService.this, true);
+        }
+
+        @Override
+        public void onPerformSync(Account account, Bundle extras, String authority, ContentProviderClient provider,
+                                  final SyncResult syncResult) {
+            EmailKeyHelper.importContacts(getContext(), new Messenger(new Handler(Looper.getMainLooper(),
+                    new Handler.Callback() {
+                        @Override
+                        public boolean handleMessage(Message msg) {
+                            Bundle data = msg.getData();
+                            switch (msg.arg1) {
+                                case KeychainIntentServiceHandler.MESSAGE_OKAY:
+                                    return true;
+                                case KeychainIntentServiceHandler.MESSAGE_UPDATE_PROGRESS:
+                                    if (data.containsKey(KeychainIntentServiceHandler.DATA_PROGRESS) &&
+                                            data.containsKey(KeychainIntentServiceHandler.DATA_PROGRESS_MAX)) {
+                                        Log.d("Keychain/ContactSync/DownloadKeys", "Progress: " +
+                                                data.getInt(KeychainIntentServiceHandler.DATA_PROGRESS) + "/" +
+                                                data.getInt(KeychainIntentServiceHandler.DATA_PROGRESS_MAX));
+                                        return false;
+                                    }
+                                default:
+                                    Log.d("Keychain/ContactSync/DownloadKeys", "Syncing... " + msg.toString());
+                                    return false;
+                            }
+                        }
+                    })));
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return new ContactSyncAdapter().getSyncAdapterBinder();
+    }
+}