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package com.juick.server;
import com.juick.xmpp.extensions.Handshake;
import org.apache.commons.codec.digest.DigestUtils;
import org.xmlpull.v1.XmlPullParserException;
import rocks.xmpp.addr.Jid;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.UUID;
import static com.juick.server.StreamNamespaces.NS_COMPONENT_ACCEPT;
import static com.juick.server.StreamNamespaces.NS_STREAM;
/**
* Created by vitalyster on 30.01.2017.
*/
public class StreamComponentServer extends Stream {
private String streamId, secret;
public String getStreamId() {
return streamId;
}
public StreamComponentServer(InputStream is, OutputStream os, String password) throws XmlPullParserException {
super(null, null, is, os);
secret = password;
streamId = UUID.randomUUID().toString();
}
@Override
public void handshake() throws XmlPullParserException, IOException {
parser.next();
if (!parser.getName().equals("stream")
|| !parser.getNamespace(null).equals(NS_COMPONENT_ACCEPT)
|| !parser.getNamespace("stream").equals(NS_STREAM)) {
throw new IOException("invalid stream");
}
Jid domain = Jid.of(parser.getAttributeValue(null, "to"));
if (streamHandler.filter(null, domain)) {
send(new XMPPError(XMPPError.Type.cancel, "forbidden").toString());
throw new IOException("invalid domain");
}
from = domain;
to = domain;
send(String.format("<stream:stream xmlns:stream='%s' " +
"xmlns='%s' from='%s' id='%s'>", NS_STREAM, NS_COMPONENT_ACCEPT, from.asBareJid().toEscapedString(), streamId));
Handshake handshake = Handshake.parse(parser);
boolean authenticated = handshake.getValue().equals(DigestUtils.sha1Hex(streamId + secret));
setLoggedIn(authenticated);
if (!authenticated) {
send(new XMPPError(XMPPError.Type.cancel, "not-authorized").toString());
streamHandler.fail(new IOException("stream:stream, failed authentication"));
return;
}
send(new Handshake().toString());
streamHandler.ready();
}
}
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