feat(main): init
This commit is contained in:
commit
444156138b
6 changed files with 462 additions and 0 deletions
176
.gitignore
vendored
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176
.gitignore
vendored
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# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
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# Logs
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logs
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_.log
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npm-debug.log_
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yarn-debug.log*
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yarn-error.log*
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lerna-debug.log*
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.pnpm-debug.log*
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# Caches
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.cache
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# Diagnostic reports (https://nodejs.org/api/report.html)
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report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
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# Runtime data
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pids
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_.pid
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_.seed
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*.pid.lock
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# Directory for instrumented libs generated by jscoverage/JSCover
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lib-cov
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# Coverage directory used by tools like istanbul
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coverage
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*.lcov
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# nyc test coverage
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.nyc_output
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# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
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.grunt
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# Bower dependency directory (https://bower.io/)
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bower_components
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# node-waf configuration
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.lock-wscript
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# Compiled binary addons (https://nodejs.org/api/addons.html)
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build/Release
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# Dependency directories
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node_modules/
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jspm_packages/
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# Snowpack dependency directory (https://snowpack.dev/)
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web_modules/
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# TypeScript cache
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*.tsbuildinfo
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# Optional npm cache directory
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.npm
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# Optional eslint cache
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.eslintcache
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# Optional stylelint cache
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.stylelintcache
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# Microbundle cache
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.rpt2_cache/
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.rts2_cache_cjs/
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.rts2_cache_es/
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.rts2_cache_umd/
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# Optional REPL history
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.node_repl_history
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# Output of 'npm pack'
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*.tgz
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# Yarn Integrity file
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.yarn-integrity
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# dotenv environment variable files
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.env
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.env.development.local
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.env.test.local
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.env.production.local
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.env.local
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# parcel-bundler cache (https://parceljs.org/)
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.parcel-cache
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# Next.js build output
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.next
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out
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# Nuxt.js build / generate output
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.nuxt
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dist
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# Gatsby files
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# Comment in the public line in if your project uses Gatsby and not Next.js
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# https://nextjs.org/blog/next-9-1#public-directory-support
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# public
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# vuepress build output
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.vuepress/dist
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# vuepress v2.x temp and cache directory
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.temp
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# Docusaurus cache and generated files
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.docusaurus
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# Serverless directories
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.serverless/
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# FuseBox cache
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.fusebox/
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# DynamoDB Local files
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.dynamodb/
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# TernJS port file
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.tern-port
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# Stores VSCode versions used for testing VSCode extensions
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.vscode-test
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# yarn v2
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.yarn/cache
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.yarn/unplugged
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.yarn/build-state.yml
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.yarn/install-state.gz
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.pnp.*
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# IntelliJ based IDEs
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.idea
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# Finder (MacOS) folder config
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.DS_Store
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*.asc
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15
README.md
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15
README.md
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# nest-pgp-chat
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To install dependencies:
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```bash
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bun install
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```
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To run:
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```bash
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bun run src/index.ts
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```
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This project was created using `bun init` in bun v1.1.9. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.
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BIN
bun.lockb
Executable file
BIN
bun.lockb
Executable file
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15
package.json
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15
package.json
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{
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"name": "nest-pgp-chat",
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"module": "src/index.ts",
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"type": "module",
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"devDependencies": {
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"@types/bun": "latest"
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},
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"peerDependencies": {
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"typescript": "^5.0.0"
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},
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"dependencies": {
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"dotenv": "^16.4.5",
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"openpgp": "^5.11.2"
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}
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}
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229
src/index.ts
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229
src/index.ts
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import "dotenv/config"
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import net from "net";
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import { format } from "util";
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import openpgp from 'openpgp'
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// create this sessions PGP key
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const { privateKey, publicKey } = await openpgp.generateKey({
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type: 'rsa', // Type of the key
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rsaBits: 2048, // RSA key size (defaults to 4096 bits)
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userIDs: [{ name: 'Jon Smith', email: 'jon@example.com' }], // you can pass multiple user IDs
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format: 'object',
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passphrase: 'super long and hard to guess secret' // protects the private key
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});
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// console.log(publicKey, privateKey)
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console.log(`Generate my key! ${publicKey.getFingerprint()}`)
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const Commands = {
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IAC: 0xff,
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SE: 0xf0,
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NOP: 0xf1,
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DataMark: 0xf2,
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BRK: 0xf3,
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IP: 0xf4,
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AO: 0xf5,
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AYT: 0xf6,
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EC: 0xf7,
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EL: 0xf8,
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GA: 0xf9,
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SB: 0xfa,
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WILL: 0xfb,
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WONT: 0xfc,
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DO: 0xfd,
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DONT: 0xfe
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};
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const Options = {
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ECH: 0x1,
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SGA: 0x3,
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STS: 0x5,
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TimingMark: 0x6,
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TerminalType: 0x18,
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WindowSize: 0x1f,
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TerminalSpeed: 0x20,
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RFC: 0x21,
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LineMode: 0x22,
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EnvVars: 0x24
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}
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const isCommand = buffer => buffer[0] === Commands.IAC;
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const isInterrput = buffer => isCommand(buffer) && buffer[1] === Commands.IP;
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const sendCommand = (socket, command, option) =>
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socket.write(
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Uint8Array.from(
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[Commands.IAC, command, option].filter(b => b !== undefined)
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)
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);
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//@ts-ignore
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const sendEraseLine = socket => sendCommand(socket, Commands.EL);
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const telnet = {
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isInterrput,
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Commands,
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sendCommand,
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sendEraseLine,
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Options
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};
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const Config = {
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"server": {
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// nests ram COULD not handle more then 20 sadly
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"maxConnections": 20,
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"host": "127.0.0.1",
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"port": process.env.PORT
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},
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"chat": {
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"messageLength": 150,
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"messages": {
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"welcome": "Welcome to chat server. Press CTRL+C to leave.\n(note: pgp key name will be used in server. extra metadata such as [email, pgp key id] can be found via whois cmd)",
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"nickname": "Enter your public PGP key (in base64, in one line): ",
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"logout": "%s has left the chat",
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"login": "%s has joined the chat",
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"not_allowed": "You may only connect from the nest server. This is not a public server."
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},
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"serverNickname": "PGP chat"
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}
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}
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const Messages = Config.chat.messages;
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const clients = [];
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const messageListener = fn => data => {
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console.log('Received data', data, data.toString());
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data = data
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.toString()
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.trim()
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.replace(/[^\w\d \t]/g, '')
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.substring(0, Config.chat.messageLength);
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data && fn(data);
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};
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const exitHandler = socket => {
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return data => telnet.isInterrput(data) && socket.end('Bye bye.');
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};
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const broadcastHandler = (socket, nickname) => {
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return messageListener(message => {
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fetch(process.env.SLACK_CHAT_WORKFLOW_URL, {
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method: 'POST',
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headers: {'Content-Type': 'application/json', 'User-Agent': 'insomnia/9.3.2'},
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body: JSON.stringify({ message, name: nickname })
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})
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.then(response => response.json())
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.catch(err => console.error(err));
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return sendBroadcast(socket, nickname, message)
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});
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}
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const endHandler = (socket, nickname) => () => {
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clients.splice(clients.indexOf(socket), 1);
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sendBroadcast(null, null, format(Messages.logout, nickname));
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console.log(`${socket.remoteAddress} disconnected`);
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};
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function sendMessageLn(socket, from, message) {
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sendMessage(socket, from, message + '\r\n');
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}
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function sendMessage(socket, from, message) {
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if (from) message = `<${from}> ${message}`;
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socket.write(message);
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}
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function sendBroadcast(socket, from, message) {
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if (!message) return;
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clients.forEach(client => {
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telnet.sendEraseLine(client);
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if (client !== socket) sendMessageLn(client, from, message);
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});
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}
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function askNickname(socket) {
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return new Promise((resolve, reject) => {
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let str = "";
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const ask = () => {
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socket.on('data', onData);
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if(!str.length) sendMessage(socket, null, Messages.nickname);
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};
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const onData = messageListener(data => {
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str += data.toString()
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if (!data.length) return ask();
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if(!data.toString().includes('END PGP PUBLIC KEY')) return ask()
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socket.off('data', onData)
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resolve(str);
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});
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ask();
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});
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}
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function createServer() {
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const server = net.createServer(async socket => {
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try {
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console.log(socket.remoteAddress)
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if(![`::1`].includes(socket.remoteAddress.trim())) {
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sendMessageLn(socket, null, Messages.not_allowed);
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socket.end(`Bye`)
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return;
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}
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console.log(`Connection from ${socket.remoteAddress}`);
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sendMessageLn(socket, null, Messages.welcome);
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socket.on('data', exitHandler(socket));
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const raw_pgp_data = await askNickname(socket);
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console.debug(`$afternic`)
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let pgp_key=null, nickname= null;
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try {
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console.log(raw_pgp_data)
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// console.log(Buffer.from(raw_pgp_data as string, 'base64').toString())
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pgp_key = await openpgp.readKey({
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armoredKey: raw_pgp_data as string,
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})
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// .then(d=>d.users[0])
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console.log(pgp_key.users[0])
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nickname = pgp_key
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console.log(`debug`)
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debugger;
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} catch (e) {
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console.error(e.message)
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socket.end(`Invalid Key.`)
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return;
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}
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clients.push(socket);
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socket.on('data', broadcastHandler(socket, nickname));
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// telnet.sendCommand(socket, telnet.Commands.NOP);
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// telnet.sendCommand(socket, telnet.Commands.WILL, telnet.Options.ECH);
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// telnet.sendCommand(socket, telnet.Commands.WILL, telnet.Options.SGA);
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sendBroadcast(null, null, format(Messages.login, nickname));
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console.log(
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`${socket.remoteAddress} joined the chat as ${nickname}`
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);
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} catch (e) {
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console.log('error', e);
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socket.end();
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}
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});
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server.maxConnections = Config.server.maxConnections;
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server.on('close', () => {
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console.log(`Server closed.`);
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});
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return server;
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}
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const listner = createServer().listen(parseInt(Config.server.port), () => {
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//@ts-ignore
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console.log(`Server listening on port ${listner.address().port ? listner.address().port : listner.address()}`);
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});
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27
tsconfig.json
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27
tsconfig.json
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{
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"compilerOptions": {
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// Enable latest features
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||||
"lib": ["ESNext", "DOM"],
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"target": "ESNext",
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"module": "ESNext",
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||||
"moduleDetection": "force",
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||||
"jsx": "react-jsx",
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"allowJs": true,
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// Bundler mode
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"moduleResolution": "bundler",
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"allowImportingTsExtensions": true,
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"verbatimModuleSyntax": true,
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"noEmit": true,
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// Best practices
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"strict": false,
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"skipLibCheck": true,
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"noFallthroughCasesInSwitch": true,
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// Some stricter flags (disabled by default)
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"noUnusedLocals": false,
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"noUnusedParameters": false,
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"noPropertyAccessFromIndexSignature": false
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||||
}
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||||
}
|
Loading…
Reference in a new issue