mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-09-27 10:09:32 +02:00
a7b3303f3e
This also resulted in a refactoring of the Providers and parsing Exceptions. NumberFormatException and ParseException can now be thrown directly, the wrapping in a SmackParsingException is down at a higher layer, i.e. in AbstractProvider.
173 lines
7.2 KiB
Java
173 lines
7.2 KiB
Java
/**
|
|
*
|
|
* Copyright 2017-2021 Florian Schmaus, 2018 Paul Schaub.
|
|
*
|
|
* Licensed 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.jivesoftware.smackx.ox.provider;
|
|
|
|
import java.io.IOException;
|
|
import java.text.ParseException;
|
|
import java.util.Date;
|
|
import java.util.HashSet;
|
|
import java.util.LinkedList;
|
|
import java.util.List;
|
|
import java.util.Set;
|
|
import java.util.logging.Level;
|
|
import java.util.logging.Logger;
|
|
|
|
import org.jivesoftware.smack.packet.ExtensionElement;
|
|
import org.jivesoftware.smack.packet.XmlEnvironment;
|
|
import org.jivesoftware.smack.parsing.SmackParsingException;
|
|
import org.jivesoftware.smack.provider.ExtensionElementProvider;
|
|
import org.jivesoftware.smack.provider.ProviderManager;
|
|
import org.jivesoftware.smack.util.PacketParserUtils;
|
|
import org.jivesoftware.smack.util.ParserUtils;
|
|
import org.jivesoftware.smack.xml.XmlPullParser;
|
|
import org.jivesoftware.smack.xml.XmlPullParserException;
|
|
|
|
import org.jivesoftware.smackx.ox.element.CryptElement;
|
|
import org.jivesoftware.smackx.ox.element.EncryptedOpenPgpContentElement;
|
|
import org.jivesoftware.smackx.ox.element.OpenPgpContentElement;
|
|
import org.jivesoftware.smackx.ox.element.SignElement;
|
|
import org.jivesoftware.smackx.ox.element.SigncryptElement;
|
|
|
|
import org.jxmpp.jid.Jid;
|
|
import org.jxmpp.jid.impl.JidCreate;
|
|
|
|
/**
|
|
* Abstract {@link ExtensionElementProvider} implementation for the also abstract {@link OpenPgpContentElement}.
|
|
*
|
|
* @param <O> Specialized subclass of {@link OpenPgpContentElement}.
|
|
*/
|
|
public abstract class OpenPgpContentElementProvider<O extends OpenPgpContentElement> extends ExtensionElementProvider<O> {
|
|
|
|
private static final Logger LOGGER = Logger.getLogger(OpenPgpContentElementProvider.class.getName());
|
|
|
|
public static OpenPgpContentElement parseOpenPgpContentElement(String element)
|
|
throws XmlPullParserException, IOException {
|
|
XmlPullParser parser = PacketParserUtils.getParserFor(element);
|
|
return parseOpenPgpContentElement(parser);
|
|
}
|
|
|
|
public static OpenPgpContentElement parseOpenPgpContentElement(XmlPullParser parser)
|
|
throws XmlPullParserException {
|
|
try {
|
|
switch (parser.getName()) {
|
|
case SigncryptElement.ELEMENT:
|
|
return SigncryptElementProvider.INSTANCE.parse(parser);
|
|
case SignElement.ELEMENT:
|
|
return SignElementProvider.INSTANCE.parse(parser);
|
|
case CryptElement.ELEMENT:
|
|
return CryptElementProvider.INSTANCE.parse(parser);
|
|
default: throw new XmlPullParserException("Expected <crypt/>, <sign/> or <signcrypt/> element, " +
|
|
"but got neither of them.");
|
|
}
|
|
} catch (Exception e) {
|
|
throw new XmlPullParserException(e.getMessage());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public abstract O parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
|
|
throws XmlPullParserException, IOException, SmackParsingException, ParseException;
|
|
|
|
protected static OpenPgpContentElementData parseOpenPgpContentElementData(XmlPullParser parser, int initialDepth)
|
|
throws XmlPullParserException, IOException, SmackParsingException, ParseException {
|
|
Set<Jid> to = new HashSet<>();
|
|
Date timestamp = null;
|
|
String rpad = null;
|
|
List<ExtensionElement> payload = new LinkedList<>();
|
|
|
|
outerloop: while (true) {
|
|
XmlPullParser.Event tag = parser.next();
|
|
String name = parser.getName();
|
|
switch (tag) {
|
|
case START_ELEMENT:
|
|
switch (name) {
|
|
|
|
case OpenPgpContentElement.ELEM_TIME:
|
|
String stamp = parser.getAttributeValue("", OpenPgpContentElement.ATTR_STAMP);
|
|
timestamp = ParserUtils.getDateFromXep82String(stamp);
|
|
break;
|
|
|
|
case OpenPgpContentElement.ELEM_TO:
|
|
String jid = parser.getAttributeValue("", OpenPgpContentElement.ATTR_JID);
|
|
to.add(JidCreate.bareFrom(jid));
|
|
break;
|
|
|
|
case EncryptedOpenPgpContentElement.ELEM_RPAD:
|
|
rpad = parser.nextText();
|
|
break;
|
|
|
|
case OpenPgpContentElement.ELEM_PAYLOAD:
|
|
innerloop: while (true) {
|
|
XmlPullParser.Event ptag = parser.next();
|
|
String pname = parser.getName();
|
|
String pns = parser.getNamespace();
|
|
switch (ptag) {
|
|
case START_ELEMENT:
|
|
ExtensionElementProvider<ExtensionElement> provider =
|
|
ProviderManager.getExtensionProvider(pname, pns);
|
|
if (provider == null) {
|
|
LOGGER.log(Level.INFO, "No provider found for " + pname + " " + pns);
|
|
continue innerloop;
|
|
}
|
|
payload.add(provider.parse(parser));
|
|
break;
|
|
|
|
case END_ELEMENT:
|
|
break innerloop;
|
|
|
|
default:
|
|
// Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case END_ELEMENT:
|
|
switch (name) {
|
|
case CryptElement.ELEMENT:
|
|
case SigncryptElement.ELEMENT:
|
|
case SignElement.ELEMENT:
|
|
break outerloop;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
|
|
break;
|
|
}
|
|
}
|
|
|
|
return new OpenPgpContentElementData(to, timestamp, rpad, payload);
|
|
}
|
|
|
|
protected static final class OpenPgpContentElementData {
|
|
final Set<Jid> to;
|
|
final Date timestamp;
|
|
final String rpad;
|
|
final List<ExtensionElement> payload;
|
|
|
|
private OpenPgpContentElementData(Set<Jid> to, Date timestamp, String rpad, List<ExtensionElement> payload) {
|
|
this.to = to;
|
|
this.timestamp = timestamp;
|
|
this.rpad = rpad;
|
|
this.payload = payload;
|
|
}
|
|
}
|
|
}
|