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certs: change migration routine so certifications work

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This commit is contained in:
Vincent Breitmoser 2014-04-06 05:29:46 +02:00
parent bd8dc05b1c
commit 8b6c31ba46
1 changed files with 27 additions and 3 deletions
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30
OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainDatabase.java
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@ -194,8 +194,8 @@ public class KeychainDatabase extends SQLiteOpenHelper {
/** This method tries to import data from a provided database.
*
* The sole assumptions made on this db are that there is a key_rings table
* with a key_ring_data and a type column, the latter of which should be bigger
* for secret keys.
* with a key_ring_data, a master_key_id and a type column, the latter of
* which should be 1 for secret keys and 0 for public keys.
*/
public void checkAndImportApg(Context context) {
@ -240,8 +240,32 @@ public class KeychainDatabase extends SQLiteOpenHelper {
Log.d(Constants.TAG, "Ok.");
}
Cursor c = db.rawQuery("SELECT key_ring_data FROM key_rings ORDER BY type ASC", null);
Cursor c = null;
try {
// we insert in two steps: first, all public keys that have secret keys
c = db.rawQuery("SELECT key_ring_data FROM key_rings WHERE type = 1 OR EXISTS ("
+ " SELECT 1 FROM key_rings d2 WHERE key_rings.master_key_id = d2.master_key_id"
+ " AND d2.type = 1) ORDER BY type ASC", null);
Log.d(Constants.TAG, "Importing " + c.getCount() + " secret keyrings from apg.db...");
for(int i = 0; i < c.getCount(); i++) {
c.moveToPosition(i);
byte[] data = c.getBlob(0);
PGPKeyRing ring = PgpConversionHelper.BytesToPGPKeyRing(data);
if(ring instanceof PGPPublicKeyRing)
ProviderHelper.saveKeyRing(context, (PGPPublicKeyRing) ring);
else if(ring instanceof PGPSecretKeyRing)
ProviderHelper.saveKeyRing(context, (PGPSecretKeyRing) ring);
else {
Log.e(Constants.TAG, "Unknown blob data type!");
}
}
// afterwards, insert all keys, starting with public keys that have secret keys, then
// secret keys, then all others. this order is necessary to ensure all certifications
// are recognized properly.
c = db.rawQuery("SELECT key_ring_data FROM key_rings ORDER BY (type = 0 AND EXISTS ("
+ " SELECT 1 FROM key_rings d2 WHERE key_rings.master_key_id = d2.master_key_id AND"
+ " d2.type = 1)) DESC, type DESC", null);
// import from old database
Log.d(Constants.TAG, "Importing " + c.getCount() + " keyrings from apg.db...");
for(int i = 0; i < c.getCount(); i++) {