Commit Graph
137 Commits
Author SHA1 Message Date
games647 456342c686 Migrate to ProtocolLib field extractors for better compatibility
diff --git a/bukkit/pom.xml b/bukkit/pom.xml
index c4caae8..9b3c5c5 100644
--- a/bukkit/pom.xml
+++ b/bukkit/pom.xml
@@ -183,7 +183,7 @@
         <dependency>
             <groupId>com.comphenix.protocol</groupId>
             <artifactId>ProtocolLib</artifactId>
-            <version>5.0.0-20220603.031413-2</version>
+            <version>5.0.0-SNAPSHOT</version>
             <scope>provided</scope>
             <exclusions>
                 <exclusion>
diff --git a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java
index c9e72fc..3c66e7b 100644
--- a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java
+++ b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java
@@ -27,12 +27,12 @@ package com.github.games647.fastlogin.bukkit.listener.protocollib;

 import com.comphenix.protocol.PacketType;
 import com.comphenix.protocol.ProtocolLibrary;
-import com.comphenix.protocol.events.InternalStructure;
 import com.comphenix.protocol.events.PacketAdapter;
 import com.comphenix.protocol.events.PacketContainer;
 import com.comphenix.protocol.events.PacketEvent;
-import com.comphenix.protocol.reflect.FuzzyReflection;
 import com.comphenix.protocol.wrappers.WrappedGameProfile;
+import com.comphenix.protocol.wrappers.WrappedProfilePublicKey;
+import com.comphenix.protocol.wrappers.WrappedProfilePublicKey.WrappedProfileKeyData;
 import com.github.games647.fastlogin.bukkit.BukkitLoginSession;
 import com.github.games647.fastlogin.bukkit.FastLoginBukkit;
 import com.github.games647.fastlogin.bukkit.listener.protocollib.packet.ClientPublicKey;
@@ -47,7 +47,6 @@ import java.security.PublicKey;
 import java.security.SecureRandom;
 import java.security.SignatureException;
 import java.time.Instant;
-import java.util.Optional;

 import org.bukkit.entity.Player;

@@ -171,15 +170,15 @@ public class ProtocolLibListener extends PacketAdapter {
     }

     private boolean verifyPublicKey(PacketContainer packet) {
-        Optional<InternalStructure> internalStructure = packet.getOptionalStructures().readSafely(0);
-        if (internalStructure == null) {
+        WrappedProfileKeyData profileKey = packet.getProfilePublicKeys().optionRead(0)
+            .map(WrappedProfilePublicKey::getKeyData).orElse(null);
+        if (profileKey == null) {
             return true;
         }

-        Object instance = internalStructure.get().getHandle();
-        Instant expires = FuzzyReflection.getFieldValue(instance, Instant.class, true);
-        PublicKey key = FuzzyReflection.getFieldValue(instance, PublicKey.class, true);
-        byte[] signature = FuzzyReflection.getFieldValue(instance, byte[].class, true);
+        Instant expires = profileKey.getExpireTime();
+        PublicKey key = profileKey.getKey();
+        byte[] signature = profileKey.getSignature();
         ClientPublicKey clientKey = new ClientPublicKey(expires, key.getEncoded(), signature);
         try {
             return EncryptionUtil.verifyClientKey(clientKey, Instant.now());
2022-06-28 18:34:22 +02:00
games647 d353ac66ab Verify public keys from players
diff --git a/bukkit/pom.xml b/bukkit/pom.xml
index 2e1ccc4..c4caae8 100644
--- a/bukkit/pom.xml
+++ b/bukkit/pom.xml
@@ -119,9 +119,6 @@
         <repository>
             <id>dmulloy2-repo</id>
             <url>https://repo.dmulloy2.net/repository/public/</url>
-            <snapshots>
-                <enabled>false</enabled>
-            </snapshots>
         </repository>

         <!-- AuthMe Reloaded, xAuth and LoginSecurity -->
@@ -186,7 +183,7 @@
         <dependency>
             <groupId>com.comphenix.protocol</groupId>
             <artifactId>ProtocolLib</artifactId>
-            <version>5.0.0-SNAPSHOT</version>
+            <version>5.0.0-20220603.031413-2</version>
             <scope>provided</scope>
             <exclusions>
                 <exclusion>
@@ -351,5 +348,12 @@
             <scope>system</scope>
             <systemPath>${project.basedir}/lib/UltraAuth v2.1.2.jar</systemPath>
         </dependency>
+
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcpkix-jdk18on</artifactId>
+            <version>1.71</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 </project>
diff --git a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtil.java b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtil.java
index 1197514..143dda9 100644
--- a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtil.java
+++ b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtil.java
@@ -25,15 +25,28 @@
  */
 package com.github.games647.fastlogin.bukkit.listener.protocollib;

+import com.github.games647.fastlogin.bukkit.listener.protocollib.packet.ClientPublicKey;
+import com.google.common.io.Resources;
+
+import java.io.IOException;
 import java.math.BigInteger;
 import java.nio.charset.StandardCharsets;
 import java.security.GeneralSecurityException;
+import java.security.InvalidKeyException;
+import java.security.KeyFactory;
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.security.PrivateKey;
 import java.security.PublicKey;
+import java.security.Signature;
+import java.security.SignatureException;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.X509EncodedKeySpec;
+import java.time.Instant;
+import java.util.Base64;
+import java.util.Base64.Encoder;
 import java.util.Random;

 import javax.crypto.Cipher;
@@ -46,11 +59,25 @@ import javax.crypto.spec.SecretKeySpec;
  *
  * @see net.minecraft.server.MinecraftEncryption
  */
-public class EncryptionUtil {
+class EncryptionUtil {

     public static final int VERIFY_TOKEN_LENGTH = 4;
     public static final String KEY_PAIR_ALGORITHM = "RSA";

+    private static final int RSA_LENGTH = 1_024;
+
+    private static final PublicKey mojangSessionKey;
+    private static final int LINE_LENGTH = 76;
+    private static final Encoder KEY_ENCODER = Base64.getMimeEncoder(LINE_LENGTH, "\n".getBytes(StandardCharsets.UTF_8));
+
+    static {
+        try {
+            mojangSessionKey = loadMojangSessionKey();
+        } catch (IOException | NoSuchAlgorithmException | InvalidKeySpecException ex) {
+            throw new RuntimeException("Failed to load Mojang session key", ex);
+        }
+    }
+
     private EncryptionUtil() {
         // utility
     }
@@ -65,7 +92,7 @@ public class EncryptionUtil {
         try {
             KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KEY_PAIR_ALGORITHM);

-            keyPairGenerator.initialize(1_024);
+            keyPairGenerator.initialize(RSA_LENGTH);
             return keyPairGenerator.generateKeyPair();
         } catch (NoSuchAlgorithmException nosuchalgorithmexception) {
             // Should be existing in every vm
@@ -120,6 +147,33 @@ public class EncryptionUtil {
         return new SecretKeySpec(decrypt(privateKey, sharedKey), "AES");
     }

+    public static boolean verifyClientKey(ClientPublicKey clientKey, Instant verifyTimstamp)
+        throws SignatureException, NoSuchAlgorithmException, InvalidKeyException {
+        if (!verifyTimstamp.isBefore(clientKey.getExpiry())) {
+            return false;
+        }
+
+        Signature signature = Signature.getInstance("SHA1withRSA");
+        signature.initVerify(mojangSessionKey);
+        signature.update(toSignable(clientKey).getBytes(StandardCharsets.US_ASCII));
+        return signature.verify(clientKey.getSignature());
+    }
+
+    private static PublicKey loadMojangSessionKey()
+        throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
+        var keyUrl = Resources.getResource("yggdrasil_session_pubkey.der");
+        var keyData = Resources.toByteArray(keyUrl);
+        var keySpec = new X509EncodedKeySpec(keyData);
+
+        return KeyFactory.getInstance("RSA").generatePublic(keySpec);
+    }
+
+    private static String toSignable(ClientPublicKey clientPublicKey) {
+        long expiry = clientPublicKey.getExpiry().toEpochMilli();
+        String encoded = KEY_ENCODER.encodeToString(clientPublicKey.getKey());
+        return expiry + "-----BEGIN RSA PUBLIC KEY-----\n" + encoded + "\n-----END RSA PUBLIC KEY-----\n";
+    }
+
     public static byte[] decrypt(PrivateKey key, byte[] data) throws GeneralSecurityException {
         // b(Key var0, byte[] var1)
         Cipher cipher = Cipher.getInstance(key.getAlgorithm());
diff --git a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java
index f8b8de2..c9e72fc 100644
--- a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java
+++ b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java
@@ -27,18 +27,27 @@ package com.github.games647.fastlogin.bukkit.listener.protocollib;

 import com.comphenix.protocol.PacketType;
 import com.comphenix.protocol.ProtocolLibrary;
+import com.comphenix.protocol.events.InternalStructure;
 import com.comphenix.protocol.events.PacketAdapter;
 import com.comphenix.protocol.events.PacketContainer;
 import com.comphenix.protocol.events.PacketEvent;
-import com.github.games647.fastlogin.bukkit.BukkitLoginSession;
+import com.comphenix.protocol.reflect.FuzzyReflection;
 import com.comphenix.protocol.wrappers.WrappedGameProfile;
+import com.github.games647.fastlogin.bukkit.BukkitLoginSession;
 import com.github.games647.fastlogin.bukkit.FastLoginBukkit;
+import com.github.games647.fastlogin.bukkit.listener.protocollib.packet.ClientPublicKey;
 import com.github.games647.fastlogin.core.antibot.AntiBotService;
 import com.github.games647.fastlogin.core.antibot.AntiBotService.Action;

 import java.net.InetSocketAddress;
+import java.security.InvalidKeyException;
 import java.security.KeyPair;
+import java.security.NoSuchAlgorithmException;
+import java.security.PublicKey;
 import java.security.SecureRandom;
+import java.security.SignatureException;
+import java.time.Instant;
+import java.util.Optional;

 import org.bukkit.entity.Player;

@@ -149,6 +158,11 @@ public class ProtocolLibListener extends PacketAdapter {
             username = (String) packetEvent.getPacket().getMeta("original_name").get();
         }

+        if (!verifyPublicKey(packet)) {
+            plugin.getLog().warn("Invalid public key from player {}", username);
+            return;
+        }
+
         plugin.getLog().trace("GameProfile {} with {} connecting", sessionKey, username);

         packetEvent.getAsyncMarker().incrementProcessingDelay();
@@ -156,6 +170,24 @@ public class ProtocolLibListener extends PacketAdapter {
         plugin.getScheduler().runAsync(nameCheckTask);
     }

+    private boolean verifyPublicKey(PacketContainer packet) {
+        Optional<InternalStructure> internalStructure = packet.getOptionalStructures().readSafely(0);
+        if (internalStructure == null) {
+            return true;
+        }
+
+        Object instance = internalStructure.get().getHandle();
+        Instant expires = FuzzyReflection.getFieldValue(instance, Instant.class, true);
+        PublicKey key = FuzzyReflection.getFieldValue(instance, PublicKey.class, true);
+        byte[] signature = FuzzyReflection.getFieldValue(instance, byte[].class, true);
+        ClientPublicKey clientKey = new ClientPublicKey(expires, key.getEncoded(), signature);
+        try {
+            return EncryptionUtil.verifyClientKey(clientKey, Instant.now());
+        } catch (SignatureException | InvalidKeyException | NoSuchAlgorithmException ex) {
+            return false;
+        }
+    }
+
     private String getUsername(PacketContainer packet) {
         WrappedGameProfile profile = packet.getGameProfiles().readSafely(0);
         if (profile == null) {
diff --git a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/packet/ClientPublicKey.java b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/packet/ClientPublicKey.java
new file mode 100644
index 0000000..495adb1
--- /dev/null
+++ b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/packet/ClientPublicKey.java
@@ -0,0 +1,53 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015-2022 games647 and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.github.games647.fastlogin.bukkit.listener.protocollib.packet;
+
+import java.time.Instant;
+
+public class ClientPublicKey {
+
+    private final Instant expiry;
+    private final byte[] key;
+    private final byte[] signature;
+
+    public ClientPublicKey(Instant expiry, byte[] key, byte[] signature) {
+        this.expiry = expiry;
+        this.key = key;
+        this.signature = signature;
+    }
+
+    public Instant getExpiry() {
+        return expiry;
+    }
+
+    public byte[] getKey() {
+        return key;
+    }
+
+    public byte[] getSignature() {
+        return signature;
+    }
+}
diff --git a/bukkit/src/test/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtilTest.java b/bukkit/src/test/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtilTest.java
index 7a097f1..11a52f7 100644
--- a/bukkit/src/test/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtilTest.java
+++ b/bukkit/src/test/java/com/github/games647/fastlogin/bukkit/listener/protocollib/EncryptionUtilTest.java
@@ -25,8 +25,27 @@
  */
 package com.github.games647.fastlogin.bukkit.listener.protocollib;

+import com.github.games647.fastlogin.bukkit.listener.protocollib.packet.ClientPublicKey;
+import com.google.common.io.Resources;
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+import java.nio.charset.StandardCharsets;
+import java.security.KeyFactory;
+import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
+import java.security.interfaces.RSAPublicKey;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.X509EncodedKeySpec;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.Base64;

+import org.bouncycastle.util.io.pem.PemObject;
+import org.bouncycastle.util.io.pem.PemReader;
 import org.junit.Test;

 import static org.hamcrest.CoreMatchers.is;
@@ -43,4 +62,77 @@ public class EncryptionUtilTest {
         assertThat(token, notNullValue());
         assertThat(token.length, is(4));
     }
+
+    @Test
+    public void testExpiredClientKey() throws Exception {
+        var clientKey = loadClientKey("client_keys/valid.json");
+
+        // Client expires at the exact second mentioned, so use it for verification
+        var expiredTimestamp = clientKey.getExpiry();
+        assertThat(EncryptionUtil.verifyClientKey(clientKey, expiredTimestamp), is(false));
+    }
+
+    // @Test(expected = Exception.class)
+    @Test
+    public void testInvalidChangedExpiration() throws Exception {
+        // expiration date changed should make the signature invalid
+        // expiration should still be valid
+        var clientKey = loadClientKey("client_keys/invalid_wrong_expiration.json");
+        assertThat(EncryptionUtil.verifyClientKey(clientKey, clientKey.getExpiry().minus(5, ChronoUnit.HOURS)), is(false));
+    }
+
+    // @Test(expected = Exception.class)
+    @Test
+    public void testInvalidChangedKey() throws Exception {
+        // changed public key no longer corresponding to the signature
+        var clientKey = loadClientKey("client_keys/invalid_wrong_key.json");
+        assertThat(EncryptionUtil.verifyClientKey(clientKey, clientKey.getExpiry().minus(5, ChronoUnit.HOURS)), is(false));
+    }
+
+    @Test
+    public void testInvalidChangedSignature() throws Exception {
+        // signature modified no longer corresponding to key and expiration date
+        var clientKey = loadClientKey("client_keys/invalid_wrong_signature.json");
+        assertThat(EncryptionUtil.verifyClientKey(clientKey, clientKey.getExpiry().minus(5, ChronoUnit.HOURS)), is(false));
+    }
+
+    @Test
+    public void testValidClientKey() throws Exception {
+        var clientKey = loadClientKey("client_keys/valid.json");
+
+        var verificationTimestamp = clientKey.getExpiry().minus(5, ChronoUnit.HOURS);
+        assertThat(EncryptionUtil.verifyClientKey(clientKey, verificationTimestamp), is(true));
+    }
+
+    private ClientPublicKey loadClientKey(String path)
+        throws NoSuchAlgorithmException, IOException, InvalidKeySpecException {
+        var keyUrl = Resources.getResource(path);
+        var gson = new Gson();
+
+        var lines = Resources.toString(keyUrl, StandardCharsets.US_ASCII);
+        var object = gson.fromJson(lines, JsonObject.class);
+
+        Instant expires = Instant.parse(object.getAsJsonPrimitive("expires_at").getAsString());
+        String key = object.getAsJsonPrimitive("key").getAsString();
+        RSAPublicKey publicKey = parsePublicKey(key);
+
+        byte[] signature = Base64.getDecoder().decode(object.getAsJsonPrimitive("signature").getAsString());
+        return new ClientPublicKey(expires, publicKey.getEncoded(), signature);
+    }
+
+    private RSAPublicKey parsePublicKey(String lines)
+        throws IOException, InvalidKeySpecException, NoSuchAlgorithmException {
+        try (
+            Reader reader = new StringReader(lines);
+            PemReader pemReader = new PemReader(reader)
+        ) {
+
+            PemObject pemObject = pemReader.readPemObject();
+            byte[] content = pemObject.getContent();
+            var pubKeySpec = new X509EncodedKeySpec(content);
+
+            var factory = KeyFactory.getInstance("RSA");
+            return (RSAPublicKey) factory.generatePublic(pubKeySpec);
+        }
+    }
 }
diff --git a/bukkit/src/test/resources/client_keys/invalid_wrong_expiration.json b/bukkit/src/test/resources/client_keys/invalid_wrong_expiration.json
new file mode 100644
index 0000000..7ecc12e
--- /dev/null
+++ b/bukkit/src/test/resources/client_keys/invalid_wrong_expiration.json
@@ -0,0 +1,5 @@
+{
+    "expires_at": "2022-06-12T09:46:26.421156927Z",
+    "key": "-----BEGIN RSA PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoOv23jt2QPyab6bPRBwH2ggmzQU4I+xm\nDpi3X5ZB5Em/4uzyZqNVLJc0gShpk0XsdoB28Nq1bPxczOTBxuXi3rg5ax5gL+iymDSU27DLM8s/\n33lOofzGPJUEQGKlFm0QelDKZ/q5Y/9inHE3hEJKf7h0tnmGahXFmZSF/nRz9GHnfSYpjtDr9bsZ\nOzQuLhHXT5E4ksNRTFW41h0MlZ1qOhO+NiiVgk7LmgVYiV7RRbgO8U6RaCEqg5n28Ewo6QtzB+DF\n4NTDeu3E9BLH5G0npdUrVNhdRUWCFDmH6n9hqSIz2J7o6GvWqEvp0h9e/3qtLsoS60hnQXunrcWc\nPaEIYQIDAQAB\n-----END RSA PUBLIC KEY-----\n",
+    "signature": "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"
+}
diff --git a/bukkit/src/test/resources/client_keys/invalid_wrong_key.json b/bukkit/src/test/resources/client_keys/invalid_wrong_key.json
new file mode 100644
index 0000000..37bb3ad
--- /dev/null
+++ b/bukkit/src/test/resources/client_keys/invalid_wrong_key.json
@@ -0,0 +1,5 @@
+{
+    "expires_at": "2022-06-12T10:46:26.421156927Z",
+    "key": "-----BEGIN RSA PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoOv23jt2QPyab6bPRBwH2ggmzQU3I+xmDpi3X5ZB5Em/4uzyZqNVLJc0gShpk0XsdoB28Nq1bPxczOTBxuXi3rg5ax5gL+iymDSU27DLM8s/33lOofzGPJUEQGKlFm0QelDKZ/q5Y/9inHE3hEJKf7h0tnmGahXFmZSF/nRz9GHnfSYpjtDr9bsZOzQuLhHXT5E4ksNRTFW41h0MlZ1qOhO+NiiVgk7LmgVYiV7RRbgO8U6RaCEqg5n28Ewo6QtzB+DF4NTDeu3E9BLH5G0npdUrVNhdRUWCFDmH6n9hqSIz2J7o6GvWqEvp0h9e/3qtLsoS60hnQXunrcWcPaEIYQIDAQAB\n-----END RSA PUBLIC KEY-----\n",
+    "signature": "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"
+}
diff --git a/bukkit/src/test/resources/client_keys/invalid_wrong_signature.json b/bukkit/src/test/resources/client_keys/invalid_wrong_signature.json
new file mode 100644
index 0000000..cbca4b1
--- /dev/null
+++ b/bukkit/src/test/resources/client_keys/invalid_wrong_signature.json
@@ -0,0 +1,5 @@
+{
+    "expires_at": "2022-06-12T10:46:26.421156927Z",
+    "key": "-----BEGIN RSA PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoOv23jt2QPyab6bPRBwH2ggmzQU4I+xm\nDpi3X5ZB5Em/4uzyZqNVLJc0gShpk0XsdoB28Nq1bPxczOTBxuXi3rg5ax5gL+iymDSU27DLM8s/\n33lOofzGPJUEQGKlFm0QelDKZ/q5Y/9inHE3hEJKf7h0tnmGahXFmZSF/nRz9GHnfSYpjtDr9bsZ\nOzQuLhHXT5E4ksNRTFW41h0MlZ1qOhO+NiiVgk7LmgVYiV7RRbgO8U6RaCEqg5n28Ewo6QtzB+DF\n4NTDeu3E9BLH5G0npdUrVNhdRUWCFDmH6n9hqSIz2J7o6GvWqEvp0h9e/3qtLsoS60hnQXunrcWc\nPaEIYQIDAQAB\n-----END RSA PUBLIC KEY-----\n",
+    "signature": "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"
+}
diff --git a/bukkit/src/test/resources/client_keys/valid.json b/bukkit/src/test/resources/client_keys/valid.json
new file mode 100644
index 0000000..a2d6a41
--- /dev/null
+++ b/bukkit/src/test/resources/client_keys/valid.json
@@ -0,0 +1,5 @@
+{
+    "expires_at": "2022-06-12T10:46:26.421156927Z",
+    "key": "-----BEGIN RSA PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoOv23jt2QPyab6bPRBwH2ggmzQU4I+xmDpi3X5ZB5Em/4uzyZqNVLJc0gShpk0XsdoB28Nq1bPxczOTBxuXi3rg5ax5gL+iymDSU27DLM8s/33lOofzGPJUEQGKlFm0QelDKZ/q5Y/9inHE3hEJKf7h0tnmGahXFmZSF/nRz9GHnfSYpjtDr9bsZOzQuLhHXT5E4ksNRTFW41h0MlZ1qOhO+NiiVgk7LmgVYiV7RRbgO8U6RaCEqg5n28Ewo6QtzB+DF4NTDeu3E9BLH5G0npdUrVNhdRUWCFDmH6n9hqSIz2J7o6GvWqEvp0h9e/3qtLsoS60hnQXunrcWcPaEIYQIDAQAB\n-----END RSA PUBLIC KEY-----\n",
+    "signature": "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"
+}
2022-06-28 18:34:21 +02:00
games647 d8a6e2a6fa Update ProtocolLib to 5.0
diff --git a/bukkit/pom.xml b/bukkit/pom.xml
index 13e466e..2494a2b 100644
--- a/bukkit/pom.xml
+++ b/bukkit/pom.xml
@@ -186,7 +186,7 @@
         <dependency>
             <groupId>com.comphenix.protocol</groupId>
             <artifactId>ProtocolLib</artifactId>
-            <version>4.8.0</version>
+            <version>5.0.0-SNAPSHOT</version>
             <scope>provided</scope>
             <exclusions>
                 <exclusion>
diff --git a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/VerifyResponseTask.java b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/VerifyResponseTask.java
index 5a2794d..2e60cd1 100644
--- a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/VerifyResponseTask.java
+++ b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/VerifyResponseTask.java
@@ -28,7 +28,7 @@ package com.github.games647.fastlogin.bukkit.listener.protocollib;
 import com.comphenix.protocol.ProtocolLibrary;
 import com.comphenix.protocol.events.PacketContainer;
 import com.comphenix.protocol.events.PacketEvent;
-import com.comphenix.protocol.injector.server.TemporaryPlayerFactory;
+import com.comphenix.protocol.injector.temporary.TemporaryPlayerFactory;
 import com.comphenix.protocol.reflect.FieldUtils;
 import com.comphenix.protocol.reflect.FuzzyReflection;
 import com.comphenix.protocol.utility.MinecraftReflection;
@@ -37,18 +37,14 @@ import com.comphenix.protocol.wrappers.WrappedChatComponent;
 import com.comphenix.protocol.wrappers.WrappedGameProfile;
 import com.github.games647.craftapi.model.auth.Verification;
 import com.github.games647.craftapi.model.skin.SkinProperty;
-import com.github.games647.craftapi.resolver.AbstractResolver;
 import com.github.games647.craftapi.resolver.MojangResolver;
 import com.github.games647.fastlogin.bukkit.BukkitLoginSession;
 import com.github.games647.fastlogin.bukkit.FastLoginBukkit;

 import java.io.IOException;
-import java.io.InputStream;
-import java.io.Reader;
-import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.net.*;
-import java.nio.charset.StandardCharsets;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
 import java.security.GeneralSecurityException;
 import java.security.Key;
 import java.security.KeyPair;
@@ -263,15 +259,11 @@ public class VerifyResponseTask implements Runnable {
     private void kickPlayer(String reason) {
         PacketContainer kickPacket = new PacketContainer(DISCONNECT);
         kickPacket.getChatComponents().write(0, WrappedChatComponent.fromText(reason));
-        try {
-            //send kick packet at login state
-            //the normal event.getPlayer.kickPlayer(String) method does only work at play state
-            ProtocolLibrary.getProtocolManager().sendServerPacket(player, kickPacket);
-            //tell the server that we want to close the connection
-            player.kickPlayer("Disconnect");
-        } catch (InvocationTargetException ex) {
-            plugin.getLog().error("Error sending kick packet for: {}", player, ex);
-        }
+        //send kick packet at login state
+        //the normal event.getPlayer.kickPlayer(String) method does only work at play state
+        ProtocolLibrary.getProtocolManager().sendServerPacket(player, kickPacket);
+        //tell the server that we want to close the connection
+        player.kickPlayer("Disconnect");
     }

     //fake a new login packet in order to let the server handle all the other stuff
@@ -287,14 +279,8 @@ public class VerifyResponseTask implements Runnable {
             startPacket.getGameProfiles().write(0, fakeProfile);
         }

-        try {
-            //we don't want to handle our own packets so ignore filters
-            startPacket.setMeta(ProtocolLibListener.SOURCE_META_KEY, plugin.getName());
-            ProtocolLibrary.getProtocolManager().recieveClientPacket(player, startPacket, true);
-        } catch (InvocationTargetException | IllegalAccessException ex) {
-            plugin.getLog().warn("Failed to fake a new start packet for: {}", username, ex);
-            //cancel the event in order to prevent the server receiving an invalid packet
-            kickPlayer(plugin.getCore().getMessage("error-kick"));
-        }
+        //we don't want to handle our own packets so ignore filters
+        startPacket.setMeta(ProtocolLibListener.SOURCE_META_KEY, plugin.getName());
+        ProtocolLibrary.getProtocolManager().receiveClientPacket(player, startPacket, true);
     }
 }
2022-06-28 18:34:21 +02:00
games647 219ebb1248 Bump version 2022-06-28 18:34:21 +02:00
dependabot[bot] c92f94d2e8 Bump api from 2.0-SNAPSHOT to 2.2.0-SNAPSHOT
Bumps api from 2.0-SNAPSHOT to 2.2.0-SNAPSHOT.

---
updated-dependencies:
- dependency-name: org.geysermc.floodgate:api
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
2022-06-13 07:03:18 +00:00
games647 8d50a14371 Drop SodionAuth plugin, because it's no longer reachable in Maven 2022-06-07 18:26:24 +02:00
games647 fc50c997ba Dump craftapi for updated GSON version and allow . in legit usernames 2022-05-21 14:02:37 +02:00
dependabot[bot] 07dea4ac0f Bump maven-shade-plugin from 3.2.4 to 3.3.0
Bumps [maven-shade-plugin](https://github.com/apache/maven-shade-plugin) from 3.2.4 to 3.3.0.
- [Release notes](https://github.com/apache/maven-shade-plugin/releases)
- [Commits](https://github.com/apache/maven-shade-plugin/compare/maven-shade-plugin-3.2.4...maven-shade-plugin-3.3.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-shade-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2022-03-30 14:04:11 +00:00
games647 d11cd4f9a1 Ignore META-Info in shading 2022-03-30 16:02:52 +02:00
games647 1d3fcb9929 Use custom repository settings for faster fetching
Order of repository seems to indicate maven priority fetching
2022-03-30 16:02:51 +02:00
games647 35b044651c Update dependencies
diff --git a/bukkit/pom.xml b/bukkit/pom.xml
index e57b9d2..939697a 100644
--- a/bukkit/pom.xml
+++ b/bukkit/pom.xml
@@ -272,7 +272,7 @@
         <dependency>
             <groupId>com.lenis0012.bukkit</groupId>
             <artifactId>loginsecurity</artifactId>
-            <version>3.0.2</version>
+            <version>3.1</version>
             <scope>provided</scope>
             <optional>true</optional>
             <exclusions>
diff --git a/core/pom.xml b/core/pom.xml
index 15a1eb7..3738e9d 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -179,7 +179,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.9</version>
+            <version>2.9.0</version>
         </dependency>
     </dependencies>
 </project>
2022-03-30 16:02:51 +02:00
Smart123s a856356c49 Update license headers to 02db104
Done using `mvn license:format`
2022-03-13 10:08:57 +01:00
games647 8a01ddc231 Do not shade the MultiMap class
This class is used by ProtocolLib. Calling it, means we use its signature. With relocating this would also update the method
call signature to `.WrappedGameProfile.getProperties()Lfastlogin/guava/collect/Multimap;`, which obviously not present.
2022-01-20 11:50:32 +01:00
games647 a5c7e7371d Try out to minimize unnecessary classes from big dependencies 2022-01-14 12:14:22 +01:00
games647 35b493a708 Typo fixes 2022-01-14 12:12:47 +01:00
dependabot[bot] 1d7c2aed61 Bump placeholderapi from 2.10.10 to 2.11.0
Bumps placeholderapi from 2.10.10 to 2.11.0.

---
updated-dependencies:
- dependency-name: me.clip:placeholderapi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-12-20 07:01:45 +00:00
Smart123s 8c33813e45 Update to Geyser 2.0 API 2021-12-06 19:22:54 +01:00
games647 6c47abc76d Update dependencies 2021-12-03 09:46:26 +01:00
games647 9c2068032f Remove duplicate dependency 2021-12-03 09:46:26 +01:00
games647 2110e93bd6 Override slf4j transitive dependency from paper
Fixes #670
2021-12-03 09:46:25 +01:00
games647 7439a95e16 Reduce the amount of necessary dependencies by dropping transitive ones 2021-12-02 14:40:29 +01:00
games647 e1c1da199e Search SL4J JDK provider in our own classpath
Using the previous behavior it would look for the service file and provider
in the server jar. First it requires relocating the service file to our JDK
provider and let the service only be queryable from our plugin jar.

Fixes #668

Search SL4J JDK provider in our own classpath

Using the previous behavior it would look for the service file and provider
in the server jar. First it requires relocating the service file to our JDK
provider and let the service only be queryable from our plugin jar.

Fixes #668
2021-12-02 14:40:26 +01:00
games647 1dd27ff529 Restore 1.8 compatibility by shading guava in Spigot versions 2021-12-01 16:29:37 +01:00
dependabot[bot] f5a60ca0b3 Bump paperlib from 1.0.6 to 1.0.7
Bumps [paperlib](https://github.com/PaperMC/PaperLib) from 1.0.6 to 1.0.7.
- [Release notes](https://github.com/PaperMC/PaperLib/releases)
- [Changelog](https://github.com/PaperMC/PaperLib/blob/master/CHANGELOG.md)
- [Commits](https://github.com/PaperMC/PaperLib/compare/1.0.6...v1.0.7)

---
updated-dependencies:
- dependency-name: io.papermc:paperlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2021-11-28 12:46:15 +00:00
Smart123s 3ee6cb2ada Create stub GeyserService
The FloodgateService and GeyserService classes are not merged,
because Geyser can work without Floodgate.
Added Geyser as 'softdepends' in plugin.yml and bungee.yml
to make it load before FastLogin.
Also made Floodgate a soft dependency in bungee.yml.
2021-11-28 13:44:56 +01:00
Smart123s f39c3a1ea6 Update Floodgate repository 2021-08-20 11:49:54 +02:00
games647 58cee1e26e Exclude more transitive dependencies
This could reduce the number of required
downloads as well as to prevent download
from legacy HTTP non secure (not HTTPS)
sources.
2021-06-21 17:08:20 +02:00
Smart123s 08b864220d Merge branch 'main' of https://github.com/games647/FastLogin 2021-05-09 09:06:59 +02:00
Smart123s d01c368cdb Fix identation in bukkit/pom.xml 2021-05-08 14:46:00 +02:00
InkerBot 8837a1b70e Bump SodionAuth version and fix errors. 2021-04-06 21:27:25 +08:00
InkerBot 0c45c30d2f Bump SodionAuth version 2021-04-06 00:30:18 +08:00
games647 d6a02aa538 Apply license headers to every file
(Related #494)
2021-04-05 11:04:42 +02:00
Smart123s 870d1ee281 Migrate to Floodgate v2.0
This removes support for Floodgate 1.x
2021-03-29 14:49:33 +02:00
Smart123s 3e9e433736 Move dependencies 2021-03-21 11:07:18 +01:00
Smart123s 57e797f1be Implement auto login for Floodgate players
This is buggy in most cases.
2021-03-20 12:22:41 +01:00
Smart123s e03e67b8fa Detect if a player is connecting through Floodgate
The Floodgate API requires UUID which is inaccessible at the level
FastLogion operates on.
A workaround for this is to check if the currently connecting player is
also a part of the Geyser server's online players list.
*TODO: Check for Java and Bedrock name conflicts with multiple
configurations.*
2021-03-19 08:58:29 +01:00
dependabot-preview[bot] 09ab7288da Bump ProtocolLib from 4.5.1 to 4.6.0
Bumps [ProtocolLib](https://github.com/dmulloy2/ProtocolLib) from 4.5.1 to 4.6.0.
- [Release notes](https://github.com/dmulloy2/ProtocolLib/releases)
- [Commits](https://github.com/dmulloy2/ProtocolLib/compare/4.5.1...4.6.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
2021-02-22 16:15:32 +00:00
games647 ff2e5c0435 Drop package goal for the core module 2021-02-18 18:25:37 +01:00
Kamilkime 1ab346d067 Correct name check on PaperSpigot, fixes #423, fixes #437, fixes #457 2021-02-09 00:28:05 +01:00
games647 fe1499f1fb Add support for 1.16.4
Fixes #412
Fixes #411
2020-11-04 11:05:34 +01:00
games647 7e43b99f91 [CI-SKIP] Dump placeholderapi to prevent deprecates on register 2020-08-03 21:06:22 +02:00
games647 496a036fb4 Merge pull request #385 from ishlandbukkit/master
Add SodionAuthHook
2020-08-02 17:17:58 +02:00
games647 fa1f85698a Fix NoSuchMethodError for PlaceholderAPI after breaking change
Fixes #386
2020-07-31 17:02:51 +02:00
ishland a36ac7f9e3 Remove unneeded SodionAuth-Libs 2020-07-29 16:11:41 +08:00
ishland 2e38550db0 I figured it out FINALLY 2020-07-29 16:07:24 +08:00
ishland 4e2b6c7810 Use JitPack and update API reference 2020-07-29 10:58:04 +08:00
ishlandandlogos 4acbcbfd19 Squash previous commits
* Add SodionAuth

* Add Comment

* add SodionAuth

Co-authored-by: logos <1102280066@qq.com>
2020-07-29 09:22:17 +08:00
dependabot-preview[bot] b5ccc1df2e Bump placeholderapi from 2.10.5 to 2.10.6
Bumps placeholderapi from 2.10.5 to 2.10.6.

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
2020-05-04 16:26:59 +00:00
dependabot-preview[bot] e0a7f207c5 Bump loginsecurity from 3.0.1 to 3.0.2
Bumps loginsecurity from 3.0.1 to 3.0.2.

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
2020-04-27 16:21:02 +00:00
dependabot-preview[bot] 68d35c75c2 Bump maven-shade-plugin from 3.2.2 to 3.2.3
Bumps [maven-shade-plugin](https://github.com/apache/maven-shade-plugin) from 3.2.2 to 3.2.3.
- [Release notes](https://github.com/apache/maven-shade-plugin/releases)
- [Commits](https://github.com/apache/maven-shade-plugin/compare/maven-shade-plugin-3.2.2...maven-shade-plugin-3.2.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
2020-04-26 11:49:33 +02:00