1 files changed, 102 insertions, 0 deletions
diff --git a/OpenPGP-Keychain-API-Lib/src/org/sufficientlysecure/keychain/integration/KeychainServiceHelper.java b/OpenPGP-Keychain-API-Lib/src/org/sufficientlysecure/keychain/integration/KeychainServiceHelper.java
new file mode 100644
index 000000000..54e1f517a
--- /dev/null
+++ b/OpenPGP-Keychain-API-Lib/src/org/sufficientlysecure/keychain/integration/KeychainServiceHelper.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.sufficientlysecure.keychain.integration;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.net.Uri;
+import android.util.Log;
+
+public class KeychainServiceHelper {
+
+    private final static String BLOB_URI = "content://org.sufficientlysecure.keychain.provider.apgserviceblobprovider";
+
+    private Context context;
+
+    public KeychainServiceHelper(Context context) {
+        this.context = context;
+    }
+
+    /**
+     * Set up binary data to en/decrypt
+     * 
+     * @param is
+     *            InputStream to get the data from
+     */
+    public void setBlob(InputStream is) {
+        Log.d(Constants.TAG, "setBlob() called");
+        // 1. get the new contentUri
+        ContentResolver cr = context.getContentResolver();
+        Uri contentUri = cr.insert(Uri.parse(BLOB_URI), new ContentValues());
+
+        // 2. insert binary data
+        OutputStream os = null;
+        try {
+            os = cr.openOutputStream(contentUri, "w");
+        } catch (Exception e) {
+            Log.e(Constants.TAG, "... exception on setBlob", e);
+        }
+
+        byte[] buffer = new byte[8];
+        int len = 0;
+        try {
+            while ((len = is.read(buffer)) != -1) {
+                os.write(buffer, 0, len);
+            }
+            Log.d(Constants.TAG, "... write finished, now closing");
+            os.close();
+        } catch (Exception e) {
+            Log.e(Constants.TAG, "... error on writing buffer", e);
+        }
+
+        // mArgs.putString("BLOB", contentUri.toString());
+    }
+
+    /**
+     * Get the binary result
+     * 
+     * <p>
+     * This gets your binary result. It only works if you called {@link #setBlob(InputStream)}
+     * before.
+     * 
+     * If you did not call encrypt nor decrypt, this will be the same data as you inputed.
+     * </p>
+     * 
+     * @return InputStream of the binary data which was en/decrypted
+     * 
+     * @see #setBlob(InputStream)
+     * @see #getResult()
+     */
+    public InputStream getBlobResult() {
+        // if (mArgs.containsKey("BLOB")) {
+        ContentResolver cr = context.getContentResolver();
+        InputStream in = null;
+        try {
+            // in = cr.openInputStream(Uri.parse(mArgs.getString("BLOB")));
+        } catch (Exception e) {
+            Log.e(Constants.TAG, "Could not return blob in result", e);
+        }
+        return in;
+        // } else {
+        // return null;
+        // }
+    }
+}