initial cummit

2023-07-01 20:07:51 +07:00 · 2023-07-01 20:07:51 +07:00 · 6a23c5848a
commit 6a23c5848a
5 changed files with 649 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,131 @@
+# ---> Node
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
--- a/colors.js
+++ b/colors.js
@ -0,0 +1,22 @@
+const styles = {
+    bigint: '\xa76',
+    boolean: '\xa76',
+    date: '\xa75',
+    module: '\xa7n',
+    name: undefined,
+    null: '\xa7l',
+    number: '\xa76',
+    regexp: '\xa74',
+    special: '\xa73',
+    string: '\xa72',
+    symbol: '\xa72',
+    undefined: '\xa78'
+}
+
+function stylize (str, styleType) {
+    const style = styles[styleType]
+    if (style !== undefined) return `${style}${str}\xa7r`
+    return str
+}
+
+module.exports = { stylize, styles }
--- a/index.js
+++ b/index.js
@ -0,0 +1,45 @@
+const { VM } = require('vm2')
+const { Server } = require('socket.io')
+const util = require('util')
+const { stylize } = require('./colors')
+
+const BRIDGE_PREFIX = 'function:'
+
+const io = new Server(3069)
+
+function checkString (string) {
+    if (typeof(string) !== 'string') throw new Error('Must be a string')
+}
+
+io.on('connection', (socket) => {
+    let vm
+    function resetVM () {
+        vm = new VM({
+            timeout: 3000,
+            sandbox: {
+                chat: (message) => {
+                    checkString(message)
+                    socket.emit(BRIDGE_PREFIX + 'chat', message)
+                },
+                core: (command) => {
+                    checkString(command)
+                    socket.emit(BRIDGE_PREFIX + 'core', command)
+                }
+            }
+        })
+    }
+
+    resetVM()
+
+    socket.on('runCode', (transactionId, code) => {
+        try {
+            const output = vm.run(code)
+
+            socket.emit('codeOutput', transactionId, false, util.inspect(output, { stylize }))
+        } catch (e) {
+            socket.emit('codeOutput', transactionId, true, e.toString())
+        }
+    })
+
+    socket.on('reset', resetVM)
+})
--- a/package-lock.json
+++ b/package-lock.json
@ -0,0 +1,435 @@
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+}
--- a/package.json
+++ b/package.json
@ -0,0 +1,16 @@
+{
+  "name": "eval",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "socket.io": "^4.7.1",
+    "vm2": "^3.9.19"
+  }
+}