Added Basic Functionality

src/main/java/me/jonasjones/consolemc/ConsoleMC.java

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+package me.jonasjones.consolemc;
+
+import me.jonasjones.consolemc.command.RunCommand;
+import net.fabricmc.api.ModInitializer;
+import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ConsoleMC implements ModInitializer {
+	// This logger is used to write text to the console and the log file.
+	// It is considered best practice to use your mod id as the logger's name.
+	// That way, it's clear which mod wrote info, warnings, and errors.
+	public static final Logger LOGGER = LoggerFactory.getLogger("consolemc");
+
+	private static void registerCommands() {
+		CommandRegistrationCallback.EVENT.register(RunCommand::register);
+	}
+
+	@Override
+	public void onInitialize() {
+		registerCommands();
+	}
+}

src/main/java/me/jonasjones/consolemc/command/RunCommand.java

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+package me.jonasjones.consolemc.command;
+
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import me.jonasjones.consolemc.ConsoleMC;
+import net.minecraft.command.CommandRegistryAccess;
+import net.minecraft.command.argument.MessageArgumentType;
+import net.minecraft.server.command.CommandManager;
+import net.minecraft.server.command.ServerCommandSource;
+import net.minecraft.text.Text;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class RunCommand {
+    public static void register(CommandDispatcher<ServerCommandSource> serverCommandSourceCommandDispatcher, CommandRegistryAccess commandRegistryAccess, CommandManager.RegistrationEnvironment registrationEnvironment) {
+        serverCommandSourceCommandDispatcher.register(CommandManager.literal("cmd")
+                .requires(source -> source.hasPermissionLevel(4)) //requires OP
+                .then(CommandManager.argument("Console Command", MessageArgumentType.message())
+                        .executes((ctx -> {
+
+                            Text broadcastText = Text.of("Ran Console Command \"" + MessageArgumentType.getMessage(ctx, "Console Command").getString() + "\"");
+                            ctx.getSource().sendFeedback(broadcastText, true);
+
+                            if (MessageArgumentType.getMessage(ctx, "Console Command").getString() != "") {
+
+                                run(MessageArgumentType.getMessage(ctx, "Console Command").getString(), ctx);
+                                return 1;
+                            } else {
+                                return -1;
+                            }
+                }))));
+    }
+    public static void run(String command, CommandContext<ServerCommandSource> ctx) throws CommandSyntaxException {
+        runCommand(command, ctx);
+    }
+    public static void runCommand(String cmd, CommandContext<ServerCommandSource> ctx) {
+        Process process = null;
+        try {
+            process = Runtime.getRuntime().exec(cmd);
+
+            BufferedReader stdInput = new BufferedReader(new InputStreamReader(process.getInputStream()));
+            String s = null;
+            while ((s = stdInput.readLine()) != null) {returnCommandOutput(cmd, s, ctx);
+            }
+            BufferedReader stdError = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+            while ((s = stdError.readLine()) != null) {returnCommandOutput(cmd, s, ctx);
+            }
+        } catch (IOException e) {
+            //e.printStackTrace();
+            String errorLog = "Error: \"" + cmd + "\", No such file or directory!";
+            ConsoleMC.LOGGER.info(errorLog);
+            ctx.getSource().sendFeedback(Text.of(errorLog), false);
+        }
+    }
+    public static void returnCommandOutput(String cmd, String commandFeedback, CommandContext<ServerCommandSource> ctx) {
+        String consoleLog = "  [" + cmd + "]: " + commandFeedback;
+        ctx.getSource().sendFeedback(Text.of(consoleLog), false);
+        ConsoleMC.LOGGER.info(consoleLog);
+    }
+}

src/main/java/me/jonasjones/consolemc/mixin/ExampleMixin.java

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+package me.jonasjones.consolemc.mixin;
+
+import me.jonasjones.consolemc.ConsoleMC;
+import net.minecraft.client.gui.screen.TitleScreen;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(TitleScreen.class)
+public class ExampleMixin {
+	@Inject(at = @At("HEAD"), method = "init()V")
+	private void init(CallbackInfo info) {
+
+	}
+}

src/main/resources/consolemc.mixins.json

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+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "me.jonasjones.consolemc.mixin",
+  "compatibilityLevel": "JAVA_17",
+  "mixins": [
+  ],
+  "client": [
+    "ExampleMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}

src/main/resources/fabric.mod.json

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+{
+  "schemaVersion": 1,
+  "id": "consolemc",
+  "version": "v0.0.1-alpha1",
+
+  "name": "ConsoleMC",
+  "description": "A mod that allows you to run console commands on the server from the minecraft chat.",
+  "authors": [
+    "Jonas_Jones"
+  ],
+  "contact": {
+    "homepage": "http://jonasjones.me/consolemc",
+    "sources": "https://github.com/J-onasJones/ConsoleMC"
+  },
+
+  "license": "CC0-1.0",
+  "icon": "assets/consolemc/icon.png",
+
+  "environment": "server",
+  "entrypoints": {
+    "main": [
+      "me.jonasjones.consolemc.ConsoleMC"
+    ]
+  },
+  "mixins": [
+    "consolemc.mixins.json"
+  ],
+
+  "depends": {
+    "fabricloader": ">=0.14.6",
+    "fabric": "*",
+    "minecraft": "~1.19",
+    "java": ">=17"
+  },
+  "suggests": {
+    "another-mod": "*"
+  }
+}