aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/com/juick/KeystoreManager.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/com/juick/KeystoreManager.java')
-rw-r--r--src/main/java/com/juick/KeystoreManager.java92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/main/java/com/juick/KeystoreManager.java b/src/main/java/com/juick/KeystoreManager.java
new file mode 100644
index 00000000..50576255
--- /dev/null
+++ b/src/main/java/com/juick/KeystoreManager.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2008-2020, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick;
+
+import com.juick.www.api.activity.model.objects.Person;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.core.io.Resource;
+import org.springframework.util.Base64Utils;
+
+import javax.net.ssl.KeyManagerFactory;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.*;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import java.security.spec.X509EncodedKeySpec;
+import java.util.Arrays;
+
+public class KeystoreManager {
+ private static final Logger logger = LoggerFactory.getLogger("ActivityPub");
+
+ private String keystorePassword;
+
+ private KeyStore ks;
+
+ public KeystoreManager(Resource keystore, String keystorePassword) {
+ this.keystorePassword = keystorePassword;
+ try (InputStream ksIs = keystore.getInputStream()) {
+ ks = KeyStore.getInstance("PKCS12");
+ ks.load(ksIs, keystorePassword.toCharArray());
+ KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory
+ .getDefaultAlgorithm());
+ kmf.init(ks, keystorePassword.toCharArray());
+ } catch (IOException | KeyStoreException | NoSuchAlgorithmException | UnrecoverableKeyException | CertificateException e) {
+ logger.error("Keystore error", e);
+ }
+ }
+
+ private KeyPair getKeyPair() {
+ Key privateKey;
+ try {
+ privateKey = ks.getKey("1", keystorePassword.toCharArray());
+ Certificate certificate = ks.getCertificate("1");
+ return new KeyPair(certificate.getPublicKey(), (PrivateKey) privateKey);
+ } catch (KeyStoreException | NoSuchAlgorithmException | UnrecoverableKeyException e) {
+ e.printStackTrace();
+ }
+ return null;
+ }
+ public PrivateKey getPrivateKey() {
+ return getKeyPair().getPrivate();
+ }
+ public PublicKey getPublicKey() {
+ return getKeyPair().getPublic();
+ }
+ public String getPublicKeyPem() {
+ String[] key = Base64Utils.encodeToString(getKeyPair().getPublic().getEncoded()).split("(?<=\\G.{64})");
+ return String.format("-----BEGIN PUBLIC KEY-----\n%s\n-----END PUBLIC KEY-----\n",
+ String.join("\n", key));
+ }
+ public static PublicKey publicKeyOf(Person person) {
+ String pubkeyPem = person.getPublicKey().getPublicKeyPem();
+ String[] rawKey = pubkeyPem.split("\\n");
+ String pubkeyData = String.join("", Arrays.asList(rawKey).subList(1, rawKey.length - 1));
+ try{
+ byte[] byteKey = Base64Utils.decodeFromString(pubkeyData);
+ X509EncodedKeySpec X509publicKey = new X509EncodedKeySpec(byteKey);
+ KeyFactory kf = KeyFactory.getInstance("RSA");
+ return kf.generatePublic(X509publicKey);
+ }
+ catch(Exception e){
+ e.printStackTrace();
+ }
+ return null;
+ }
+}