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Code Issues Releases Wiki Activity

fix fromStream method, properly recognize multiple concatenated streams

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This commit is contained in:
Vincent Breitmoser 2014-07-31 19:27:01 +02:00
parent b40081c364
commit acb5a70e44
1 changed files with 21 additions and 18 deletions
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39
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
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@ -27,9 +27,11 @@ import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
@ -133,26 +135,27 @@ public class UncachedKeyRing {
}
try {
if (mObjectFactory == null) {
if (stream.available() == 0) {
// end of stream. that's fine
while(stream.available() > 0) {
// if there are no objects left from the last factory, create a new one
if (mObjectFactory == null) {
mObjectFactory = new PGPObjectFactory(PGPUtil.getDecoderStream(stream));
}
// go through all objects in this block
Object obj;
while ((obj = mObjectFactory.nextObject()) != null) {
Log.d(Constants.TAG, "Found class: " + obj.getClass());
if (!(obj instanceof PGPKeyRing)) {
Log.i(Constants.TAG,
"Skipping object of bad type " + obj.getClass().getName() + " in stream");
// skip object
continue;
}
mNext = new UncachedKeyRing((PGPKeyRing) obj);
return;
}
mObjectFactory = new PGPObjectFactory(PGPUtil.getDecoderStream(stream));
}
// go through all objects in this block
Object obj;
while ((obj = mObjectFactory.nextObject()) != null) {
Log.d(Constants.TAG, "Found class: " + obj.getClass());
if (!(obj instanceof PGPKeyRing)) {
Log.i(Constants.TAG,
"Skipping object of bad type " + obj.getClass().getName() + " in stream");
// skip object
continue;
}
mNext = new UncachedKeyRing((PGPKeyRing) obj);
return;
// if we are past the while loop, that means the objectFactory had no next
mObjectFactory = null;
}
} catch (IOException e) {
Log.e(Constants.TAG, "IOException while processing stream", e);