org.apache.james.imap.decode.parser.AuthenticateCommandParser Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of protocols-imap Show documentation
There is a newer version: 3.8.1
/****************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
 *                                                              *
 *   http://www.apache.org/licenses/LICENSE-2.0                 *
 *                                                              *
 * Unless required by applicable law or agreed to in writing,   *
 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
 * specific language governing permissions and limitations      *
 * under the License.                                           *
 ****************************************************************/
package org.apache.james.imap.decode.parser;

import org.apache.james.imap.api.ImapCommand;
import org.apache.james.imap.api.ImapConstants;
import org.apache.james.imap.api.ImapMessage;
import org.apache.james.imap.api.process.ImapSession;
import org.apache.james.imap.decode.ImapRequestLineReader;
import org.apache.james.imap.decode.base.AbstractImapCommandParser;
import org.apache.james.imap.message.request.AuthenticateRequest;
import org.apache.james.imap.message.request.IRAuthenticateRequest;
import org.apache.james.protocols.imap.DecodingException;

/**
 * Parses AUTHENTICATE commands and also support SASL-IR (RFC4959)
 */
public class AuthenticateCommandParser extends AbstractImapCommandParser {

    public AuthenticateCommandParser() {
        super(ImapCommand.nonAuthenticatedStateCommand(ImapConstants.AUTHENTICATE_COMMAND_NAME));
    }

    /**
     * @see
     * org.apache.james.imap.decode.base.AbstractImapCommandParser#decode(org.apache.james.imap.api.ImapCommand,
     * org.apache.james.imap.decode.ImapRequestLineReader, java.lang.String,
     * org.apache.james.imap.api.process.ImapSession)
     */
    protected ImapMessage decode(ImapCommand command, ImapRequestLineReader request, String tag, ImapSession session) throws DecodingException {
        ImapMessage result;
        String authType = request.astring();
        try {
            result = new AuthenticateRequest(command, authType, tag);

            request.eol();
        } catch (DecodingException e) {
            // Ok this means we have some SASL-IR request to parse
            String initialClientResponse = request.astring();
            result = new IRAuthenticateRequest(command, authType, tag, initialClientResponse);

            request.eol();
        }
        return result;
    }

}