Add C++ code runner

Signed-off-by: Prince Mendiratta <prince.mendi@gmail.com>

lib/db.js

@@ -76,6 +76,14 @@ const data = {
       TAG_PERSON: "```Reply to the person that should be included in group```",
       GROUP_CREATED: "```Group has been created successfully.```"
   },
+  cpp: {
+      DESCRIPTION: "Execute C++ code and directly get output to WhatsApp.",
+      EXTENDED_DESCRIPTION: "```Use this module to execute C++ code and get the output directly on WhatsApp.```",
+      NO_INPUT: "```Give some C++ code to execute. Use the``` *.help cpp* ```command to get more info on this module.```",
+      BOILERPLATE: "#include <iostream>\nusing namespace std;\n\nint main(){\n    {code}\n}",
+      OUTPUT_TEMPLATE: "⭐ *Output:*```\n{stdout}```\n\n⚠️ *Error:*```\n{stderr}```\n\n👨🏻‍💻 *Command:*```\n{code}```",
+      PROCESSING: "```Executing, please wait...```"
+  },
   demote: {
       DESCRIPTION: "Demote a person from admin",
       EXTENDED_DESCRIPTION:

modules/cpp.js

@@ -0,0 +1,74 @@
+const { MessageType, Mimetype } = require("@adiwajshing/baileys");
+const Strings = require("../lib/db");
+const format = require("python-format-js");
+const inputSanitization = require("../sidekick/input-sanitization");
+const CPP = Strings.cpp;
+const fs = require("fs");
+const { promisify } = require('util');
+const exec = promisify(require("child_process").exec);
+const config = require('../config')
+
+module.exports = {
+    name: "cpp",
+    description: CPP.DESCRIPTION,
+    extendedDescription: CPP.EXTENDED_DESCRIPTION,
+    demo: { isEnabled: true, text: ['.cpp printf("namaste");', '.cpp #include <bits/stdc++.h>\n#include <bits/stdc++.h>\n#include <queue>\nusing namespace std;\n\nint main() {\n  cout << "Gucci gang bole to best!" << endl;\n}'] },
+    async handle(client, chat, BotsApp, args) {
+        try {
+            if(args[0] == null){
+                await client.sendMessage(
+                    BotsApp.chatId,
+                    CPP.NO_INPUT,
+                    MessageType.text
+                ).catch(err => inputSanitization.handleError(err, client, BotsApp));
+                return;
+            }
+            var processing = await client.sendMessage(
+                BotsApp.chatId,
+                CPP.PROCESSING,
+                MessageType.text
+            )
+            var input = BotsApp.body.replace(
+                BotsApp.body[0] + BotsApp.commandName + " ",
+                ""
+            );
+            var code = ""
+            if(!(/main\(/g.test(input))){
+                code = CPP.BOILERPLATE.replace("{code}", input);
+            }else{
+                code = input;
+            }
+            fs.writeFileSync('./tmp/cpp-botsapp.cpp', code);
+            var out = {}
+            var compile = "g++ ./tmp/cpp-botsapp.cpp -o ./tmp/cppBotsApp.out"
+            var execute = "env -i ./tmp/cppBotsApp.out"
+            try{
+                await exec(compile)
+                var eval = await exec(execute)
+                out.stderr = "N/A"
+                out.stdout = eval.stdout
+            }catch(err){
+                out.stderr = err.stderr
+                out.stdout = "N/A"
+            }
+            out.code = code
+            await client.sendMessage(
+                BotsApp.chatId,
+                CPP.OUTPUT_TEMPLATE.format(out),
+                MessageType.text
+            )
+            await client.deleteMessage(BotsApp.chatId, {
+                id: processing.key.id,
+                remoteJid: BotsApp.chatId,
+                fromMe: true,
+            })
+            inputSanitization.deleteFiles(
+                "./tmp/cppBotsApp.out",
+                "./tmp/cpp-botsapp.cpp"
+            );
+        } catch (err) {
+            console.log(err);
+            await inputSanitization.handleError(err, client, BotsApp);
+        }
+    }
+};