Merge the matrix-java-sdk due to it no longer maintained. Remove thirdparty repositories.

src/main/java/io/kamax/matrix/crypto/KeyFileStore.java

@@ -0,0 +1,80 @@
+/*
+ * matrix-java-sdk - Matrix Client SDK for Java
+ * Copyright (C) 2017 Kamax Sarl
+ *
+ * https://www.kamax.io/
+ *
+ * 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 io.kamax.matrix.crypto;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.StringUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+
+public class KeyFileStore implements _KeyStore {
+
+    private final Charset charset = StandardCharsets.UTF_8;
+
+    private File file;
+
+    public KeyFileStore(String path) {
+        File file = new File(path);
+        if (!file.exists()) {
+            throw new IllegalArgumentException("Signing key file storage " + path + " does not exist");
+        }
+
+        if (file.isDirectory()) {
+            throw new IllegalArgumentException("Signing key file storage " + path + " is a directory");
+        }
+
+        if (!file.isFile()) {
+            throw new IllegalArgumentException("Signing key file storage " + path + " is not a regular file");
+        }
+
+        if (!file.canRead()) {
+            throw new IllegalArgumentException("Signing key file storage " + path + " is not readable");
+        }
+
+        this.file = file;
+    }
+
+    @Override
+    public Optional<String> load() {
+        try {
+            List<String> keys = FileUtils.readLines(file, charset);
+            return keys.stream().filter(StringUtils::isNotBlank).findFirst();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public void store(String key) {
+        try {
+            FileUtils.writeLines(file, charset.name(), Collections.singletonList(key), false);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}

src/main/java/io/kamax/matrix/crypto/KeyManager.java

@@ -0,0 +1,100 @@
+/*
+ * matrix-java-sdk - Matrix Client SDK for Java
+ * Copyright (C) 2017 Kamax Sarl
+ *
+ * https://www.kamax.io/
+ *
+ * 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 io.kamax.matrix.crypto;
+
+import io.kamax.matrix.codec.MxBase64;
+
+import java.security.KeyPair;
+import java.util.ArrayList;
+import java.util.Base64;
+import java.util.List;
+
+
+import net.i2p.crypto.eddsa.EdDSAPrivateKey;
+import net.i2p.crypto.eddsa.EdDSAPublicKey;
+import net.i2p.crypto.eddsa.KeyPairGenerator;
+import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
+import net.i2p.crypto.eddsa.spec.EdDSAParameterSpec;
+import net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpec;
+import net.i2p.crypto.eddsa.spec.EdDSAPublicKeySpec;
+
+public class KeyManager {
+
+    public static KeyManager fromFile(String path) {
+        return new KeyManager(new KeyFileStore(path));
+    }
+
+    public static KeyManager fromMemory() {
+        return new KeyManager(new KeyMemoryStore());
+    }
+
+    private EdDSAParameterSpec keySpecs;
+    private List<KeyPair> keys;
+
+    public KeyManager(_KeyStore store) {
+        keySpecs = EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.ED_25519);
+        keys = new ArrayList<>();
+
+        String seedBase64 = store.load().orElseGet(() -> {
+            KeyPair pair = (new KeyPairGenerator()).generateKeyPair();
+            String keyEncoded = getPrivateKeyBase64((EdDSAPrivateKey) pair.getPrivate());
+            store.store(keyEncoded);
+            return keyEncoded;
+        });
+        byte[] seed = Base64.getDecoder().decode(seedBase64);
+        EdDSAPrivateKeySpec privKeySpec = new EdDSAPrivateKeySpec(seed, keySpecs);
+        EdDSAPublicKeySpec pubKeySpec = new EdDSAPublicKeySpec(privKeySpec.getA(), keySpecs);
+        keys.add(new KeyPair(new EdDSAPublicKey(pubKeySpec), new EdDSAPrivateKey(privKeySpec)));
+    }
+
+    public int getCurrentIndex() {
+        return 0;
+    }
+
+    public KeyPair getKeys(int index) {
+        return keys.get(index);
+    }
+
+    public EdDSAPrivateKey getPrivateKey(int index) {
+        return (EdDSAPrivateKey) getKeys(index).getPrivate();
+    }
+
+    protected String getPrivateKeyBase64(EdDSAPrivateKey key) {
+        return MxBase64.encode(key.getSeed());
+    }
+
+    public String getPrivateKeyBase64(int index) {
+        return getPrivateKeyBase64(getPrivateKey(index));
+    }
+
+    public EdDSAPublicKey getPublicKey(int index) {
+        return (EdDSAPublicKey) getKeys(index).getPublic();
+    }
+
+    public EdDSAParameterSpec getSpecs() {
+        return keySpecs;
+    }
+
+    public String getPublicKeyBase64(int index) {
+        return MxBase64.encode(getPublicKey(index).getAbyte());
+    }
+
+}

src/main/java/io/kamax/matrix/crypto/KeyMemoryStore.java

@@ -0,0 +1,46 @@
+/*
+ * matrix-java-sdk - Matrix Client SDK for Java
+ * Copyright (C) 2017 Kamax Sarl
+ *
+ * https://www.kamax.io/
+ *
+ * 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 io.kamax.matrix.crypto;
+
+import java.util.Optional;
+
+public class KeyMemoryStore implements _KeyStore {
+
+    private String data;
+
+    public KeyMemoryStore() {
+    }
+
+    public KeyMemoryStore(String data) {
+        this.data = data;
+    }
+
+    @Override
+    public Optional<String> load() {
+        return Optional.ofNullable(data);
+    }
+
+    @Override
+    public void store(String key) {
+        data = key;
+    }
+
+}

src/main/java/io/kamax/matrix/crypto/SignatureManager.java

@@ -0,0 +1,80 @@
+/*
+ * matrix-java-sdk - Matrix Client SDK for Java
+ * Copyright (C) 2017 Kamax Sarl
+ *
+ * https://www.kamax.io/
+ *
+ * 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 io.kamax.matrix.crypto;
+
+import com.google.gson.JsonObject;
+
+import io.kamax.matrix.codec.MxBase64;
+import io.kamax.matrix.json.MatrixJson;
+
+import java.security.InvalidKeyException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.SignatureException;
+
+
+import net.i2p.crypto.eddsa.EdDSAEngine;
+
+public class SignatureManager {
+
+    private KeyManager keyMgr;
+    private String domain;
+
+    private EdDSAEngine signEngine;
+
+    public SignatureManager(KeyManager keyMgr, String domain) {
+        this.keyMgr = keyMgr;
+        this.domain = domain;
+
+        try {
+            signEngine = new EdDSAEngine(MessageDigest.getInstance(keyMgr.getSpecs().getHashAlgorithm()));
+            signEngine.initSign(keyMgr.getPrivateKey(keyMgr.getCurrentIndex()));
+        } catch (NoSuchAlgorithmException | InvalidKeyException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public String sign(JsonObject obj) {
+        return sign(MatrixJson.encodeCanonical(obj));
+    }
+
+    public String sign(String message) {
+        try {
+            byte[] signRaw = signEngine.signOneShot(message.getBytes());
+            return MxBase64.encode(signRaw);
+        } catch (SignatureException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public JsonObject signMessageGson(String message) {
+        String sign = sign(message);
+
+        JsonObject keySignature = new JsonObject();
+        // FIXME should create a signing key object what would give this ed and index values
+        keySignature.addProperty("ed25519:" + keyMgr.getCurrentIndex(), sign);
+        JsonObject signature = new JsonObject();
+        signature.add(domain, keySignature);
+
+        return signature;
+    }
+
+}

src/main/java/io/kamax/matrix/crypto/_KeyStore.java

@@ -0,0 +1,31 @@
+/*
+ * matrix-java-sdk - Matrix Client SDK for Java
+ * Copyright (C) 2017 Kamax Sarl
+ *
+ * https://www.kamax.io/
+ *
+ * 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 io.kamax.matrix.crypto;
+
+import java.util.Optional;
+
+public interface _KeyStore {
+
+    Optional<String> load();
+
+    void store(String key);
+
+}