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Improve OX's PubkeyElement

there is no reason why we want to store the bytes of the base64
encoded string. Simply store the string itself.

Also add a convenience method to get the decoded bytes of the PubKey.
This commit is contained in:
Florian Schmaus 2019-09-07 23:27:36 +02:00
parent 34f1c2b79e
commit a6a1142255
4 changed files with 40 additions and 29 deletions

View file

@ -636,7 +636,8 @@ public final class OpenPgpManager extends Manager {
* @return {@link PubkeyElement} containing the key
*/
private static PubkeyElement createPubkeyElement(byte[] bytes, Date date) {
return new PubkeyElement(new PubkeyElement.PubkeyDataElement(Base64.encode(bytes)), date);
String base64EncodedOpenPgpPubKey = Base64.encodeToString(bytes);
return new PubkeyElement(new PubkeyElement.PubkeyDataElement(base64EncodedOpenPgpPubKey), date);
}
/**

View file

@ -16,12 +16,12 @@
*/
package org.jivesoftware.smackx.ox.element;
import java.nio.charset.Charset;
import java.util.Date;
import org.jivesoftware.smack.packet.ExtensionElement;
import org.jivesoftware.smack.util.Objects;
import org.jivesoftware.smack.util.XmlStringBuilder;
import org.jivesoftware.smack.util.stringencoder.Base64;
/**
* Class representing a pubkey element which is used to transport OpenPGP public keys.
@ -88,21 +88,30 @@ public class PubkeyElement implements ExtensionElement {
public static final String ELEMENT = "data";
private final byte[] b64Data;
private final String b64Data;
public PubkeyDataElement(byte[] b64Data) {
public PubkeyDataElement(String b64Data) {
this.b64Data = Objects.requireNonNull(b64Data);
}
/**
* Base64 encoded public key.
*
* @return public key bytes.
* @return the base64 encoded version of the public key.
*/
public byte[] getB64Data() {
public String getB64Data() {
return b64Data;
}
private transient byte[] pubKeyBytesCache;
public byte[] getPubKeyBytes() {
if (pubKeyBytesCache == null) {
pubKeyBytesCache = Base64.decode(b64Data);
}
return pubKeyBytesCache.clone();
}
@Override
public String getElementName() {
return ELEMENT;
@ -117,7 +126,7 @@ public class PubkeyElement implements ExtensionElement {
public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
XmlStringBuilder xml = new XmlStringBuilder(this, enclosingNamespace)
.rightAngleBracket()
.append(new String(b64Data, Charset.forName("UTF-8")))
.append(b64Data)
.closeElement(this);
return xml;
}

View file

@ -17,7 +17,6 @@
package org.jivesoftware.smackx.ox.provider;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.Date;
import org.jivesoftware.smack.packet.XmlEnvironment;
@ -34,7 +33,7 @@ import org.jivesoftware.smackx.ox.element.PubkeyElement;
*/
public class PubkeyElementProvider extends ExtensionElementProvider<PubkeyElement> {
public static final PubkeyElementProvider TEST_INSTANCE = new PubkeyElementProvider();
public static final PubkeyElementProvider INSTANCE = new PubkeyElementProvider();
@Override
public PubkeyElement parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException, SmackTextParseException {
@ -46,11 +45,9 @@ public class PubkeyElementProvider extends ExtensionElementProvider<PubkeyElemen
if (tag == XmlPullParser.Event.START_ELEMENT) {
switch (name) {
case PubkeyElement.PubkeyDataElement.ELEMENT:
String data = parser.nextText();
if (data != null) {
byte[] bytes = data.getBytes(Charset.forName("UTF-8"));
return new PubkeyElement(new PubkeyElement.PubkeyDataElement(bytes), date);
}
String base64EncodedOpenPgpPubKey = parser.nextText();
PubkeyElement.PubkeyDataElement pubkeyDataElement = new PubkeyElement.PubkeyDataElement(base64EncodedOpenPgpPubKey);
return new PubkeyElement(pubkeyDataElement, date);
}
}
}