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change edit key for empty private master keys

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This commit is contained in:
Ash Hughes
2013-03-21 14:18:38 +00:00
parent 650b22d5e9
commit cf34a1720e
10 changed files with 143 additions and 9 deletions
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44
OpenPGP-Keychain/src/org/sufficientlysecure/keychain/provider/ProviderHelper.java
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@@ -34,6 +34,7 @@ import org.sufficientlysecure.keychain.helper.PgpMain;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
import org.sufficientlysecure.keychain.util.IterableIterator;
import org.sufficientlysecure.keychain.util.Log;
@@ -494,6 +495,49 @@ public class ProviderHelper {
return getMasterKeyId(context, queryUri, keyRingRowId);
}
/**
* Get empty status of master key of keyring by its row id
*
* @param context
* @param keyRingRowId
* @return
*/
public static boolean getSecretMasterKeyCanSign(Context context, long keyRingRowId) {
Uri queryUri = KeyRings.buildSecretKeyRingsUri(String.valueOf(keyRingRowId));
return getMasterKeyCanSign(context, queryUri, keyRingRowId);
}
/**
* Private helper method to get master key private empty status of keyring by its row id
*
* @param context
* @param queryUri
* @param keyRingRowId
* @return
*/
private static boolean getMasterKeyCanSign(Context context, Uri queryUri, long keyRingRowId) {
String[] projection = new String[] { KeyRings.MASTER_KEY_ID, "(SELECT COUNT(sign_keys." +
Keys._ID + ") FROM " + Tables.KEYS + " AS sign_keys WHERE sign_keys." + Keys.KEY_RING_ROW_ID + " = "
+ KeychainDatabase.Tables.KEY_RINGS + "." + KeyRings._ID + " AND sign_keys."
+ Keys.CAN_SIGN + " = '1' AND " + Keys.IS_MASTER_KEY + " = 1) AS sign", };
ContentResolver cr = context.getContentResolver();
Cursor cursor = cr.query(queryUri, projection, null, null, null);
long masterKeyId = -1;
if (cursor != null && cursor.moveToFirst()) {
int masterKeyIdCol = cursor.getColumnIndex("sign");
masterKeyId = cursor.getLong(masterKeyIdCol);
}
if (cursor != null) {
cursor.close();
}
return (masterKeyId > 0);
}
/**
* Get master key id of keyring by its row id
*