export: externalize upload into its own operation

1 files changed, 141 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/UploadOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/UploadOperation.java
new file mode 100644
index 000000000..ae7503a2e
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/UploadOperation.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
+ * Copyright (C) 2015 Vincent Breitmoser <valodim@mugenguild.com>
+ *
+ * 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.operations;
+
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.net.Proxy;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+
+import org.spongycastle.bcpg.ArmoredOutputStream;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.keyimport.HkpKeyserver;
+import org.sufficientlysecure.keychain.keyimport.Keyserver.AddKeyException;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
+import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
+import org.sufficientlysecure.keychain.operations.results.UploadResult;
+import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing;
+import org.sufficientlysecure.keychain.pgp.Progressable;
+import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.service.UploadKeyringParcel;
+import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
+import org.sufficientlysecure.keychain.service.input.RequiredInputParcel;
+import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
+import org.sufficientlysecure.keychain.util.Log;
+import org.sufficientlysecure.keychain.util.Preferences;
+import org.sufficientlysecure.keychain.util.orbot.OrbotHelper;
+
+
+/**
+ * An operation class which implements high level export operations.
+ * This class receives a source and/or destination of keys as input and performs
+ * all steps for this export.
+ *
+ * @see org.sufficientlysecure.keychain.ui.adapter.ImportKeysAdapter#getSelectedEntries()
+ * For the export operation, the input consists of a set of key ids and
+ * either the name of a file or an output uri to write to.
+ */
+public class UploadOperation extends BaseOperation<UploadKeyringParcel> {
+
+    public UploadOperation(Context context, ProviderHelper providerHelper, Progressable
+            progressable) {
+        super(context, providerHelper, progressable);
+    }
+
+    public UploadOperation(Context context, ProviderHelper providerHelper,
+            Progressable progressable, AtomicBoolean cancelled) {
+        super(context, providerHelper, progressable, cancelled);
+    }
+
+    @NonNull
+    public UploadResult execute(UploadKeyringParcel exportInput, CryptoInputParcel cryptoInput) {
+        Proxy proxy;
+        if (cryptoInput.getParcelableProxy() == null) {
+            // explicit proxy not set
+            if (!OrbotHelper.isOrbotInRequiredState(mContext)) {
+                return new UploadResult(null, RequiredInputParcel.createOrbotRequiredOperation(), cryptoInput);
+            }
+            proxy = Preferences.getPreferences(mContext).getProxyPrefs().parcelableProxy.getProxy();
+        } else {
+            proxy = cryptoInput.getParcelableProxy().getProxy();
+        }
+
+        HkpKeyserver hkpKeyserver = new HkpKeyserver(exportInput.mKeyserver);
+        try {
+            CanonicalizedPublicKeyRing keyring = mProviderHelper.getCanonicalizedPublicKeyRing(
+                    exportInput.mCanonicalizedPublicKeyringUri);
+            return uploadKeyRingToServer(hkpKeyserver, keyring.getUncachedKeyRing(), proxy);
+        } catch (ProviderHelper.NotFoundException e) {
+            Log.e(Constants.TAG, "error uploading key", e);
+            return new UploadResult(UploadResult.RESULT_ERROR, new OperationLog());
+        }
+    }
+
+    public UploadResult uploadKeyRingToServer(HkpKeyserver server, UncachedKeyRing keyring, Proxy proxy) {
+
+        mProgressable.setProgress(R.string.progress_uploading, 0, 1);
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        ArmoredOutputStream aos = null;
+        OperationLog log = new OperationLog();
+        log.add(LogType.MSG_EXPORT_UPLOAD_PUBLIC, 0, KeyFormattingUtils.convertKeyIdToHex(
+                keyring.getPublicKey().getKeyId()
+        ));
+
+        try {
+            aos = new ArmoredOutputStream(bos);
+            keyring.encode(aos);
+            aos.close();
+
+            String armoredKey = bos.toString("UTF-8");
+            server.add(armoredKey, proxy);
+
+            log.add(LogType.MSG_EXPORT_UPLOAD_SUCCESS, 1);
+            return new UploadResult(UploadResult.RESULT_OK, log);
+        } catch (IOException e) {
+            Log.e(Constants.TAG, "IOException", e);
+
+            log.add(LogType.MSG_EXPORT_ERROR_KEY, 1);
+            return new UploadResult(UploadResult.RESULT_ERROR, log);
+        } catch (AddKeyException e) {
+            Log.e(Constants.TAG, "AddKeyException", e);
+
+            log.add(LogType.MSG_EXPORT_ERROR_UPLOAD, 1);
+            return new UploadResult(UploadResult.RESULT_ERROR, log);
+        } finally {
+            mProgressable.setProgress(R.string.progress_uploading, 1, 1);
+            try {
+                if (aos != null) {
+                    aos.close();
+                }
+                bos.close();
+            } catch (IOException e) {
+                // this is just a finally thing, no matter if it doesn't work out.
+            }
+        }
+    }
+
+}
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