Add velocity platform support

bootstrap/pom.xml

@@ -29,12 +29,16 @@
             <id>bungeecord-repo</id>
             <url>https://oss.sonatype.org/content/repositories/snapshots</url>
         </repository>
+        <repository>
+            <id>velocity-repo</id>
+            <url>https://repo.velocitypowered.com/snapshots/</url>
+        </repository>
     </repositories>
     <modules>
         <module>bukkit</module>
         <module>bungeecord</module>
         <module>sponge</module>
         <module>standalone</module>
-        <!-- <module>velocity</module> -->
+        <module>velocity</module>
     </modules>
 </project>

bootstrap/velocity/pom.xml

@@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.geysermc</groupId>
+        <artifactId>bootstrap-parent</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+    <artifactId>bootstrap-velocity</artifactId>
+    <dependencies>
+        <dependency>
+            <groupId>org.geysermc</groupId>
+            <artifactId>connector</artifactId>
+            <version>1.0-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.velocitypowered</groupId>
+            <artifactId>velocity-api</artifactId>
+            <version>1.0.0-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+    <build>
+        <finalName>${outputName}-Velocity</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources/</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.1</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <minimizeJar>true</minimizeJar>
+                        </configuration>
+                    </execution>
+                </executions>
+                <configuration>
+                    <filters>
+                        <filter>
+                            <artifact>*:*</artifact>
+                            <excludes>
+                                <exclude>META-INF/*</exclude>
+                            </excludes>
+                        </filter>
+                    </filters>
+                    <artifactSet>
+                        <excludes>
+                            <exclude>com.google.code.gson:*</exclude>
+                            <exclude>io.netty:*</exclude>
+                            <exclude>org.slf4j:*</exclude>
+                            <exclude>org.ow2.asm:*</exclude>
+                        </excludes>
+                    </artifactSet>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

bootstrap/velocity/src/main/java/org/geysermc/platform/velocity/GeyserVelocityConfiguration.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * 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.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.platform.velocity;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.Getter;
+
+import org.geysermc.common.IGeyserConfiguration;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Map;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+@Getter
+public class GeyserVelocityConfiguration implements IGeyserConfiguration {
+
+    private BedrockConfiguration bedrock;
+    private RemoteConfiguration remote;
+
+    @JsonProperty("floodgate-key-file")
+    private String floodgateKeyFile;
+
+    private Map<String, UserAuthenticationInfo> userAuths;
+
+    @JsonProperty("ping-passthrough")
+    private boolean pingPassthrough;
+
+    @JsonProperty("max-players")
+    private int maxPlayers;
+
+    @JsonProperty("debug-mode")
+    private boolean debugMode;
+
+    @JsonProperty("general-thread-pool")
+    private int generalThreadPool;
+
+    @JsonProperty("allow-third-party-capes")
+    private boolean allowThirdPartyCapes;
+
+    private MetricsInfo metrics;
+
+    @Override
+    public Path getFloodgateKeyFile() {
+        return Paths.get(floodgateKeyFile);
+    }
+
+    @Getter
+    public static class BedrockConfiguration implements IBedrockConfiguration {
+
+        private String address;
+        private int port;
+
+        private String motd1;
+        private String motd2;
+    }
+
+    @Getter
+    public static class RemoteConfiguration implements IRemoteConfiguration {
+
+        private String address;
+        private int port;
+
+        private String motd1;
+        private String motd2;
+
+        @JsonProperty("auth-type")
+        private String authType;
+    }
+
+    @Getter
+    public static class UserAuthenticationInfo implements IUserAuthenticationInfo {
+        private String email;
+        private String password;
+    }
+
+    @Getter
+    public static class MetricsInfo implements IMetricsInfo {
+
+        private boolean enabled;
+
+        @JsonProperty("uuid")
+        private String uniqueId;
+    }
+}

bootstrap/velocity/src/main/java/org/geysermc/platform/velocity/GeyserVelocityLogger.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * 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.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.platform.velocity;
+
+import lombok.AllArgsConstructor;
+
+import org.geysermc.common.logger.IGeyserLogger;
+import org.slf4j.Logger;
+
+@AllArgsConstructor
+public class GeyserVelocityLogger implements IGeyserLogger {
+
+    private Logger logger;
+    private boolean debugMode;
+
+    @Override
+    public void severe(String message) {
+        logger.error(message);
+    }
+
+    @Override
+    public void severe(String message, Throwable error) {
+        logger.error(message, error);
+    }
+
+    @Override
+    public void error(String message) {
+        logger.error(message);
+    }
+
+    @Override
+    public void error(String message, Throwable error) {
+        logger.error(message, error);
+    }
+
+    @Override
+    public void warning(String message) {
+        logger.warn(message);
+    }
+
+    @Override
+    public void info(String message) {
+        logger.info(message);
+    }
+
+    @Override
+    public void debug(String message) {
+        if (debugMode)
+            info(message);
+    }
+
+    @Override
+    public void setDebug(boolean debugMode) {
+        this.debugMode = debugMode;
+    }
+}

bootstrap/velocity/src/main/java/org/geysermc/platform/velocity/GeyserVelocityPlugin.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * 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.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.platform.velocity;
+
+import com.google.inject.Inject;
+
+import com.velocitypowered.api.event.Subscribe;
+import com.velocitypowered.api.event.proxy.ProxyInitializeEvent;
+import com.velocitypowered.api.event.proxy.ProxyShutdownEvent;
+import com.velocitypowered.api.plugin.Plugin;
+
+import org.geysermc.common.PlatformType;
+import org.geysermc.common.bootstrap.IGeyserBootstrap;
+import org.geysermc.connector.GeyserConnector;
+import org.geysermc.connector.utils.FileUtils;
+import org.slf4j.Logger;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.UUID;
+
+@Plugin(id = "geyser", name = GeyserConnector.NAME + "-Velocity", version = GeyserConnector.VERSION, url = "https://geysermc.org", authors = "GeyserMC")
+public class GeyserVelocityPlugin implements IGeyserBootstrap {
+
+    @Inject
+    private Logger logger;
+
+    private GeyserVelocityConfiguration geyserConfig;
+    private GeyserVelocityLogger geyserLogger;
+
+
+    @Override
+    public void onEnable() {
+        try {
+            File configDir = new File("plugins/" + GeyserConnector.NAME + "-Velocity/");
+            if (!configDir.exists())
+                configDir.mkdir();
+            File configFile = FileUtils.fileOrCopiedFromResource(new File(configDir, "config.yml"), "config.yml", (x) -> x.replaceAll("generateduuid", UUID.randomUUID().toString()));
+            geyserConfig = FileUtils.loadConfig(configFile, GeyserVelocityConfiguration.class);
+        } catch (IOException ex) {
+            logger.warn("Failed to read/create config.yml! Make sure it's up to date and/or readable+writable!", ex);
+            ex.printStackTrace();
+        }
+
+        this.geyserLogger = new GeyserVelocityLogger(logger, geyserConfig.isDebugMode());
+        GeyserConnector.start(PlatformType.VELOCITY, this);
+    }
+
+    @Override
+    public void onDisable() {
+        GeyserConnector.stop();
+    }
+
+    @Override
+    public GeyserVelocityConfiguration getGeyserConfig() {
+        return geyserConfig;
+    }
+
+    @Override
+    public GeyserVelocityLogger getGeyserLogger() {
+        return geyserLogger;
+    }
+
+    @Subscribe
+    public void onInit(ProxyInitializeEvent event) {
+        onEnable();
+    }
+
+    @Subscribe
+    public void onShutdown(ProxyShutdownEvent event) {
+        onDisable();
+    }
+}

connector/src/main/java/org/geysermc/connector/utils/FileUtils.java

@@ -46,6 +46,7 @@ public class FileUtils {
 
     public static File fileOrCopiedFromResource(File file, String name, Function<String, String> s) throws IOException {
         if (!file.exists()) {
+            file.createNewFile();
             FileOutputStream fos = new FileOutputStream(file);
             InputStream input = GeyserConnector.class.getResourceAsStream("/" + name); // resources need leading "/" prefix