add debug backup/restore options to main menu

Closes #543

1 files changed, 44 insertions, 1 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainDatabase.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainDatabase.java
index b3165d347..80fa914b2 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainDatabase.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainDatabase.java
@@ -36,6 +36,9 @@ import org.sufficientlysecure.keychain.provider.KeychainContract.UserIdsColumns;
 import org.sufficientlysecure.keychain.provider.KeychainContract.CertsColumns;
 import org.sufficientlysecure.keychain.util.Log;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
 
 public class KeychainDatabase extends SQLiteOpenHelper {
@@ -210,7 +213,7 @@ public class KeychainDatabase extends SQLiteOpenHelper {
             }
         }
 
-        if(!hasApgDb)
+        if(!hasApgDb || true)
             return;
 
         Log.d(Constants.TAG, "apg.db exists! Importing...");
@@ -300,4 +303,44 @@ public class KeychainDatabase extends SQLiteOpenHelper {
         Log.d(Constants.TAG, "All done, (not) deleting apg.db");
 
     }
+
+    private static void copy(File in, File out) throws IOException {
+        FileInputStream ss = new FileInputStream(in);
+        FileOutputStream ds = new FileOutputStream(out);
+        byte[] buf = new byte[512];
+        while(ss.available() > 0) {
+            int count = ss.read(buf, 0, 512);
+            ds.write(buf, 0, count);
+        }
+    }
+
+    public static void debugRead(Context context) throws IOException {
+        if(!Constants.DEBUG) {
+            return;
+        }
+        File in = context.getDatabasePath("debug.db");
+        File out = context.getDatabasePath("openkeychain.db");
+        if(!in.canRead()) {
+            throw new IOException("Cannot read " +  in.getName());
+        }
+        if(!out.canRead()) {
+            throw new IOException("Cannot write " + out.getName());
+        }
+        copy(in, out);
+    }
+
+    public static void debugWrite(Context context) throws IOException {
+        if(!Constants.DEBUG) {
+            return;
+        }
+        File in = context.getDatabasePath("openkeychain.db");
+        File out = context.getDatabasePath("debug.db");
+        if(!in.canRead()) {
+            throw new IOException("Cannot read " +  in.getName());
+        }
+        if(!out.canRead()) {
+            throw new IOException("Cannot write " + out.getName());
+        }
+        copy(in, out);
+    }
 }