/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.glyptodon.guacamole.net.basic.xml.user_mapping;
import org.glyptodon.guacamole.net.basic.auth.Authorization;
import org.glyptodon.guacamole.net.basic.auth.UserMapping;
import org.glyptodon.guacamole.net.basic.xml.TagHandler;
import org.glyptodon.guacamole.protocol.GuacamoleConfiguration;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* TagHandler for the "authorize" element.
*
* @author Mike Jumper
*/
public class AuthorizeTagHandler implements TagHandler {
/**
* The Authorization corresponding to the "authorize" tag being handled
* by this tag handler. The data of this Authorization will be populated
* as the tag is parsed.
*/
private Authorization authorization = new Authorization();
/**
* The default GuacamoleConfiguration to use if "param" or "protocol"
* tags occur outside a "connection" tag.
*/
private GuacamoleConfiguration default_config = null;
/**
* The UserMapping this authorization belongs to.
*/
private UserMapping parent;
/**
* Creates a new AuthorizeTagHandler that parses an Authorization owned
* by the given UserMapping.
*
* @param parent The UserMapping that owns the Authorization this handler
* will parse.
*/
public AuthorizeTagHandler(UserMapping parent) {
this.parent = parent;
}
@Override
public void init(Attributes attributes) throws SAXException {
// Init username and password
authorization.setUsername(attributes.getValue("username"));
authorization.setPassword(attributes.getValue("password"));
// Get encoding
String encoding = attributes.getValue("encoding");
if (encoding != null) {
// If "md5", use MD5 encoding
if (encoding.equals("md5"))
authorization.setEncoding(Authorization.Encoding.MD5);
// If "plain", use plain text
else if (encoding.equals("plain"))
authorization.setEncoding(Authorization.Encoding.PLAIN_TEXT);
// Otherwise, bad encoding
else
throw new SAXException(
"Invalid encoding: '" + encoding + "'");
}
parent.addAuthorization(this.asAuthorization());
}
@Override
public TagHandler childElement(String localName) throws SAXException {
// "connection" tag
if (localName.equals("connection"))
return new ConnectionTagHandler(authorization);
// "param" tag
if (localName.equals("param")) {
// Create default config if it doesn't exist
if (default_config == null) {
default_config = new GuacamoleConfiguration();
authorization.addConfiguration("DEFAULT", default_config);
}
return new ParamTagHandler(default_config);
}
// "protocol" tag
if (localName.equals("protocol")) {
// Create default config if it doesn't exist
if (default_config == null) {
default_config = new GuacamoleConfiguration();
authorization.addConfiguration("DEFAULT", default_config);
}
return new ProtocolTagHandler(default_config);
}
return null;
}
@Override
public void complete(String textContent) throws SAXException {
// Do nothing
}
/**
* Returns an Authorization backed by the data of this authorize tag
* handler. This Authorization is guaranteed to at least have the username,
* password, and encoding available. Any associated configurations will be
* added dynamically as the authorize tag is parsed.
*
* @return An Authorization backed by the data of this authorize tag
* handler.
*/
public Authorization asAuthorization() {
return authorization;
}
}