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https://github.com/vanitasvitae/Smack.git
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4133eb175c
Introducing Smack's own XmlPullParser interface which tries to stay as compatible as possible to XPP3. The interface is used to either wrap StAX's XMLStreamReader if Smack is used on Java SE, and XPP3's XmlPullParser if Smack is used on on Android. Fixes SMACK-591. Also introduce JUnit 5 and non-strict javadoc projects.
84 lines
2.8 KiB
Java
84 lines
2.8 KiB
Java
/**
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*
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* Copyright 2017 Florian Schmaus, 2018 Paul Schaub.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.ox.element;
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import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.jivesoftware.smackx.ox.util.Util;
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/**
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* Class that represents an OpenPGP message.
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* The content of this elements text is an base64 encoded , OpenPGP encrypted/signed content element ({@link SignElement},
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* {@link SigncryptElement}, {@link CryptElement}).
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*
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* @see <a href="https://xmpp.org/extensions/xep-0373.html#exchange">
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* XEP-0373: §3.1 Exchanging OpenPGP Encrypted and Signed Data</a>
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*/
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public class OpenPgpElement implements ExtensionElement {
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public static final String ELEMENT = "openpgp";
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public static final String NAMESPACE = "urn:xmpp:openpgp:0";
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// Represents the OpenPGP message, but encoded using base64.
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private final String base64EncodedOpenPgpMessage;
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public OpenPgpElement(String base64EncodedOpenPgpMessage) {
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this.base64EncodedOpenPgpMessage = StringUtils.requireNotNullNorEmpty(base64EncodedOpenPgpMessage,
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"base64 encoded message MUST NOT be null nor empty.");
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}
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public InputStream toInputStream() {
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return new ByteArrayInputStream(base64EncodedOpenPgpMessage.getBytes(Util.UTF8));
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}
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/**
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* Return the OpenPGP encrypted payload.
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*
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* @return OpenPGP encrypted payload.
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*/
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public String getEncryptedBase64MessageContent() {
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return base64EncodedOpenPgpMessage;
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}
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@Override
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public String getElementName() {
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return ELEMENT;
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}
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@Override
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public String getNamespace() {
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return NAMESPACE;
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}
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@Override
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public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
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XmlStringBuilder xml = new XmlStringBuilder(this);
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xml.rightAngleBracket().append(base64EncodedOpenPgpMessage).closeElement(this);
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return xml;
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}
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public static OpenPgpElement fromStanza(Stanza stanza) {
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return stanza.getExtension(ELEMENT, NAMESPACE);
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}
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}
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