KeyRingReader.java
/*
* Copyright 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.pgpainless.key.parsing;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
import org.bouncycastle.openpgp.PGPUtil;
import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
import org.pgpainless.key.collection.PGPKeyRing;
public class KeyRingReader {
public static final Charset UTF8 = Charset.forName("UTF-8");
public @Nonnull PGPPublicKeyRing publicKeyRing(@Nonnull InputStream inputStream) throws IOException {
return readPublicKeyRing(inputStream);
}
public PGPPublicKeyRing publicKeyRing(@Nonnull byte[] bytes) throws IOException {
return publicKeyRing(new ByteArrayInputStream(bytes));
}
public PGPPublicKeyRing publicKeyRing(@Nonnull String asciiArmored) throws IOException {
return publicKeyRing(asciiArmored.getBytes(UTF8));
}
public PGPPublicKeyRingCollection publicKeyRingCollection(@Nonnull InputStream inputStream)
throws IOException, PGPException {
return readPublicKeyRingCollection(inputStream);
}
public PGPPublicKeyRingCollection publicKeyRingCollection(@Nonnull byte[] bytes) throws IOException, PGPException {
return publicKeyRingCollection(new ByteArrayInputStream(bytes));
}
public PGPPublicKeyRingCollection publicKeyRingCollection(@Nonnull String asciiArmored) throws IOException, PGPException {
return publicKeyRingCollection(asciiArmored.getBytes(UTF8));
}
public PGPSecretKeyRing secretKeyRing(@Nonnull InputStream inputStream) throws IOException, PGPException {
return readSecretKeyRing(inputStream);
}
public PGPSecretKeyRing secretKeyRing(@Nonnull byte[] bytes) throws IOException, PGPException {
return secretKeyRing(new ByteArrayInputStream(bytes));
}
public PGPSecretKeyRing secretKeyRing(@Nonnull String asciiArmored) throws IOException, PGPException {
return secretKeyRing(asciiArmored.getBytes(UTF8));
}
public PGPSecretKeyRingCollection secretKeyRingCollection(@Nonnull InputStream inputStream)
throws IOException, PGPException {
return readSecretKeyRingCollection(inputStream);
}
public PGPSecretKeyRingCollection secretKeyRingCollection(@Nonnull byte[] bytes) throws IOException, PGPException {
return secretKeyRingCollection(new ByteArrayInputStream(bytes));
}
public PGPSecretKeyRingCollection secretKeyRingCollection(@Nonnull String asciiArmored) throws IOException, PGPException {
return secretKeyRingCollection(asciiArmored.getBytes(UTF8));
}
public PGPKeyRing keyRing(@Nullable InputStream publicIn, @Nullable InputStream secretIn) throws IOException, PGPException {
return readKeyRing(publicIn, secretIn);
}
public PGPKeyRing keyRing(@Nullable byte[] publicBytes, @Nullable byte[] secretBytes) throws IOException, PGPException {
return keyRing(
publicBytes != null ? new ByteArrayInputStream(publicBytes) : null,
secretBytes != null ? new ByteArrayInputStream(secretBytes) : null
);
}
public PGPKeyRing keyRing(@Nullable String asciiPublic, @Nullable String asciiSecret) throws IOException, PGPException {
return keyRing(
asciiPublic != null ? asciiPublic.getBytes(UTF8) : null,
asciiSecret != null ? asciiSecret.getBytes(UTF8) : null
);
}
/*
STATIC METHODS
*/
public static PGPPublicKeyRing readPublicKeyRing(@Nonnull InputStream inputStream) throws IOException {
return new PGPPublicKeyRing(
PGPUtil.getDecoderStream(inputStream),
new BcKeyFingerprintCalculator());
}
public static PGPPublicKeyRingCollection readPublicKeyRingCollection(@Nonnull InputStream inputStream)
throws IOException, PGPException {
return new PGPPublicKeyRingCollection(
PGPUtil.getDecoderStream(inputStream),
new BcKeyFingerprintCalculator());
}
public static PGPSecretKeyRing readSecretKeyRing(@Nonnull InputStream inputStream) throws IOException, PGPException {
return new PGPSecretKeyRing(
PGPUtil.getDecoderStream(inputStream),
new BcKeyFingerprintCalculator());
}
public static PGPSecretKeyRingCollection readSecretKeyRingCollection(@Nonnull InputStream inputStream)
throws IOException, PGPException {
return new PGPSecretKeyRingCollection(
PGPUtil.getDecoderStream(inputStream),
new BcKeyFingerprintCalculator());
}
public static PGPKeyRing readKeyRing(@Nullable InputStream publicIn, @Nullable InputStream secretIn) throws IOException, PGPException {
if (publicIn == null && secretIn == null) {
throw new NullPointerException("publicIn and secretIn cannot be BOTH null.");
}
PGPPublicKeyRing publicKeys = null;
if (publicIn != null) {
publicKeys = readPublicKeyRing(publicIn);
}
PGPSecretKeyRing secretKeys = null;
if (secretIn != null) {
secretKeys = readSecretKeyRing(secretIn);
}
if (secretKeys == null) {
return new PGPKeyRing(publicKeys);
}
if (publicKeys == null) {
return new PGPKeyRing(secretKeys);
}
return new PGPKeyRing(publicKeys, secretKeys);
}
}