1 files changed, 130 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java
new file mode 100644
index 000000000..259e14319
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java
@@ -0,0 +1,130 @@
+/*
+ * 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.ui.adapter;
+
+import android.content.Context;
+import android.support.v4.content.AsyncTaskLoader;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.util.HkpKeyServer;
+import org.sufficientlysecure.keychain.util.KeyServer;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.util.ArrayList;
+
+public class ImportKeysListServerLoader
+        extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
+    Context mContext;
+
+    String mServerQuery;
+    String mKeyServer;
+
+    private ArrayList<ImportKeysListEntry> mEntryList = new ArrayList<ImportKeysListEntry>();
+    private AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> mEntryListWrapper;
+
+    public ImportKeysListServerLoader(Context context, String serverQuery, String keyServer) {
+        super(context);
+        mContext = context;
+        mServerQuery = serverQuery;
+        mKeyServer = keyServer;
+    }
+
+    @Override
+    public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() {
+
+        mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
+
+        if (mServerQuery == null) {
+            Log.e(Constants.TAG, "mServerQuery is null!");
+            return mEntryListWrapper;
+        }
+
+        if (mServerQuery.startsWith("0x") && mServerQuery.length() == 42) {
+            Log.d(Constants.TAG, "This search is based on a unique fingerprint. Enforce a fingerprint check!");
+            queryServer(mServerQuery, mKeyServer, true);
+        } else {
+            queryServer(mServerQuery, mKeyServer, false);
+        }
+
+        return mEntryListWrapper;
+    }
+
+    @Override
+    protected void onReset() {
+        super.onReset();
+
+        // Ensure the loader is stopped
+        onStopLoading();
+    }
+
+    @Override
+    protected void onStartLoading() {
+        forceLoad();
+    }
+
+    @Override
+    protected void onStopLoading() {
+        cancelLoad();
+    }
+
+    @Override
+    public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
+        super.deliverResult(data);
+    }
+
+    /**
+     * Query keyserver
+     */
+    private void queryServer(String query, String keyServer, boolean enforceFingerprint) {
+        HkpKeyServer server = new HkpKeyServer(keyServer);
+        try {
+            ArrayList<ImportKeysListEntry> searchResult = server.search(query);
+
+            mEntryList.clear();
+            // add result to data
+            if (enforceFingerprint) {
+                String fingerprint = query.substring(2);
+                Log.d(Constants.TAG, "fingerprint: " + fingerprint);
+                // query must return only one result!
+                if (searchResult.size() > 0) {
+                    ImportKeysListEntry uniqueEntry = searchResult.get(0);
+                    /*
+                     * set fingerprint explicitly after query
+                     * to enforce a check when the key is imported by KeychainIntentService
+                     */
+                    uniqueEntry.setFingerPrintHex(fingerprint);
+                    uniqueEntry.setSelected(true);
+                    mEntryList.add(uniqueEntry);
+                }
+            } else {
+                mEntryList.addAll(searchResult);
+            }
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, null);
+        } catch (KeyServer.InsufficientQuery e) {
+            Log.e(Constants.TAG, "InsufficientQuery", e);
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
+        } catch (KeyServer.QueryException e) {
+            Log.e(Constants.TAG, "QueryException", e);
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
+        } catch (KeyServer.TooManyResponses e) {
+            Log.e(Constants.TAG, "TooManyResponses", e);
+            mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mEntryList, e);
+        }
+    }
+
+}