1package eu.siacs.conversations.crypto.sasl;
 2
 3import android.util.Base64;
 4
 5import java.nio.charset.Charset;
 6
 7import eu.siacs.conversations.entities.Account;
 8import eu.siacs.conversations.xml.TagWriter;
 9
10public class Plain extends SaslMechanism {
11
12    public static final String MECHANISM = "PLAIN";
13
14    public Plain(final TagWriter tagWriter, final Account account) {
15        super(tagWriter, account, null);
16    }
17
18    @Override
19    public int getPriority() {
20        return 10;
21    }
22
23    @Override
24    public String getMechanism() {
25        return MECHANISM;
26    }
27
28    @Override
29    public String getClientFirstMessage() {
30        return getMessage(account.getUsername(), account.getPassword());
31    }
32
33    public static String getMessage(String username, String password) {
34        final String message = '\u0000' + username + '\u0000' + password;
35        return Base64.encodeToString(message.getBytes(Charset.defaultCharset()), Base64.NO_WRAP);
36    }
37}