1 files changed, 141 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoInputParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoInputParcel.java
new file mode 100644
index 000000000..3d1ccaca1
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoInputParcel.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2015 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.input;
+
+import java.nio.ByteBuffer;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import org.sufficientlysecure.keychain.util.Passphrase;
+
+/**
+ * This is a base class for the input of crypto operations.
+ */
+public class CryptoInputParcel implements Parcelable {
+
+    final Date mSignatureTime;
+    final Passphrase mPassphrase;
+
+    // this map contains both decrypted session keys and signed hashes to be
+    // used in the crypto operation described by this parcel.
+    private HashMap<ByteBuffer, byte[]> mCryptoData = new HashMap<>();
+
+    public CryptoInputParcel() {
+        mSignatureTime = new Date();
+        mPassphrase = null;
+    }
+
+    public CryptoInputParcel(Date signatureTime, Passphrase passphrase) {
+        mSignatureTime = signatureTime == null ? new Date() : signatureTime;
+        mPassphrase = passphrase;
+    }
+
+    public CryptoInputParcel(Passphrase passphrase) {
+        mSignatureTime = new Date();
+        mPassphrase = passphrase;
+    }
+
+    public CryptoInputParcel(Date signatureTime) {
+        mSignatureTime = signatureTime == null ? new Date() : signatureTime;
+        mPassphrase = null;
+    }
+
+    protected CryptoInputParcel(Parcel source) {
+        mSignatureTime = new Date(source.readLong());
+        mPassphrase = source.readParcelable(getClass().getClassLoader());
+
+        {
+            int count = source.readInt();
+            mCryptoData = new HashMap<>(count);
+            for (int i = 0; i < count; i++) {
+                byte[] key = source.createByteArray();
+                byte[] value = source.createByteArray();
+                mCryptoData.put(ByteBuffer.wrap(key), value);
+            }
+        }
+
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeLong(mSignatureTime.getTime());
+        dest.writeParcelable(mPassphrase, 0);
+
+        dest.writeInt(mCryptoData.size());
+        for (HashMap.Entry<ByteBuffer, byte[]> entry : mCryptoData.entrySet()) {
+            dest.writeByteArray(entry.getKey().array());
+            dest.writeByteArray(entry.getValue());
+        }
+    }
+
+    public void addCryptoData(byte[] hash, byte[] signedHash) {
+        mCryptoData.put(ByteBuffer.wrap(hash), signedHash);
+    }
+
+    public Map<ByteBuffer, byte[]> getCryptoData() {
+        return Collections.unmodifiableMap(mCryptoData);
+    }
+
+    public Date getSignatureTime() {
+        return mSignatureTime;
+    }
+
+    public boolean hasPassphrase() {
+        return mPassphrase != null;
+    }
+
+    public Passphrase getPassphrase() {
+        return mPassphrase;
+    }
+
+    public static final Creator<CryptoInputParcel> CREATOR = new Creator<CryptoInputParcel>() {
+        public CryptoInputParcel createFromParcel(final Parcel source) {
+            return new CryptoInputParcel(source);
+        }
+
+        public CryptoInputParcel[] newArray(final int size) {
+            return new CryptoInputParcel[size];
+        }
+    };
+
+    @Override
+    public String toString() {
+        StringBuilder b = new StringBuilder();
+        b.append("CryptoInput: { ");
+        b.append(mSignatureTime).append(" ");
+        if (mPassphrase != null) {
+            b.append("passphrase");
+        }
+        if (mCryptoData != null) {
+            b.append(mCryptoData.size());
+            b.append(" hashes ");
+        }
+        b.append("}");
+        return b.toString();
+    }
+}