1 files changed, 77 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/NfcKeyToCardOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/NfcKeyToCardOperation.java
new file mode 100644
index 000000000..95937a233
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/NfcKeyToCardOperation.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2015 Joey Castillo <joey@joeycastillo.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 android.content.Context;
+
+import org.sufficientlysecure.keychain.operations.results.NfcKeyToCardResult;
+import org.sufficientlysecure.keychain.operations.results.OperationResult;
+import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKey;
+import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKeyRing;
+import org.sufficientlysecure.keychain.pgp.Progressable;
+import org.sufficientlysecure.keychain.provider.ProviderHelper;
+import org.sufficientlysecure.keychain.service.input.RequiredInputParcel;
+
+public class NfcKeyToCardOperation extends BaseOperation {
+    public NfcKeyToCardOperation(Context context, ProviderHelper providerHelper, Progressable progressable) {
+        super(context, providerHelper, progressable);
+    }
+
+    public NfcKeyToCardResult execute(long subKeyId) {
+        OperationResult.OperationLog log = new OperationResult.OperationLog();
+        int indent = 0;
+        long masterKeyId;
+
+        try {
+            // fetch the indicated master key id
+            masterKeyId = mProviderHelper.getMasterKeyId(subKeyId);
+            CanonicalizedSecretKeyRing keyRing =
+                    mProviderHelper.getCanonicalizedSecretKeyRing(masterKeyId);
+
+            log.add(OperationResult.LogType.MSG_KC_SECRET, indent);
+
+            // fetch the specific subkey
+            CanonicalizedSecretKey subKey = keyRing.getSecretKey(subKeyId);
+
+            switch (subKey.getSecretKeyType()) {
+                case DIVERT_TO_CARD:
+                case GNU_DUMMY: {
+                    throw new AssertionError(
+                            "Cannot export GNU_DUMMY/DIVERT_TO_CARD key to a smart card!"
+                                    + " This is a programming error!");
+                }
+
+                case PIN:
+                case PATTERN:
+                case PASSPHRASE: {
+                    log.add(OperationResult.LogType.MSG_PSE_PENDING_NFC, indent);
+                    return new NfcKeyToCardResult(log, RequiredInputParcel
+                            .createNfcKeyToCardOperation(masterKeyId, subKeyId));
+                }
+
+                default: {
+                    throw new AssertionError("Unhandled SecretKeyType! (should not happen)");
+                }
+
+            }
+        } catch (ProviderHelper.NotFoundException e) {
+            log.add(OperationResult.LogType.MSG_PSE_ERROR_UNLOCK, indent);
+            return new NfcKeyToCardResult(NfcKeyToCardResult.RESULT_ERROR, log);
+        }
+    }
+}