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/*
* Copyright (C) 2021, Thomas Wolf <thomas.wolf@paranor.ch> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.util;
import java.text.MessageFormat;
import java.util.Locale;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.lib.GpgSignatureVerifier.SignatureVerification;
import org.eclipse.jgit.lib.GpgSignatureVerifier.TrustLevel;
import org.eclipse.jgit.lib.PersonIdent;
/**
* Utilities for signature verification.
*
* @since 5.11
*/
public final class SignatureUtils {
private SignatureUtils() {
// No instantiation
}
/**
* Writes information about a signature verification to a string.
*
* @param verification
* to show
* @param creator
* of the object verified; used for time zone information
* @param formatter
* to use for dates
* @return a textual representation of the {@link SignatureVerification},
* using LF as line separator
*/
public static String toString(SignatureVerification verification,
PersonIdent creator, GitDateFormatter formatter) {
StringBuilder result = new StringBuilder();
// Use the creator's timezone for the signature date
PersonIdent dateId = new PersonIdent(creator,
verification.getCreationDate());
result.append(MessageFormat.format(JGitText.get().verifySignatureMade,
formatter.formatDate(dateId)));
result.append('\n');
result.append(MessageFormat.format(
JGitText.get().verifySignatureKey,
verification.getKeyFingerprint().toUpperCase(Locale.ROOT)));
result.append('\n');
if (!StringUtils.isEmptyOrNull(verification.getSigner())) {
result.append(
MessageFormat.format(JGitText.get().verifySignatureIssuer,
verification.getSigner()));
result.append('\n');
}
String msg;
if (verification.getVerified()) {
if (verification.isExpired()) {
msg = JGitText.get().verifySignatureExpired;
} else {
msg = JGitText.get().verifySignatureGood;
}
} else {
msg = JGitText.get().verifySignatureBad;
}
result.append(MessageFormat.format(msg, verification.getKeyUser()));
if (!TrustLevel.UNKNOWN.equals(verification.getTrustLevel())) {
result.append(' ' + MessageFormat
.format(JGitText.get().verifySignatureTrust, verification
.getTrustLevel().name().toLowerCase(Locale.ROOT)));
}
result.append('\n');
msg = verification.getMessage();
if (!StringUtils.isEmptyOrNull(msg)) {
result.append(msg);
result.append('\n');
}
return result.toString();
}
}
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