commit b0be7a6ee82420c5f4b17e6b246a1a7cb1662aea · dunkirk.sh/irc-slack-bridge

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.env.example

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       # Slack Configuration

     

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       SLACK_BOT_TOKEN=xoxb-your-bot-token-here

     

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       SLACK_SIGNING_SECRET=your-signing-secret-here

     

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       SLACK_CHANNEL=C1234567890

     

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       # IRC Configuration

     

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       IRC_NICK=slackbridge

     

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       IRC_CHANNEL=#general

     

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       # Admin users (comma-separated Slack user IDs)

     

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       ADMINS=U1234567890

     

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       # Server Configuration (optional)

     

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       PORT=3000

     

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       # Note: Channel and user mappings are now stored in the SQLite database (bridge.db)

     

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       # Use the API or database tools to manage mappings

.gitignore

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       # Finder (MacOS) folder config

     

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       .DS_Store

     

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       # database

     

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       *.db

     

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       *.db-shm

     

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       *.db-wal

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README.md

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       # Slack Configuration

     

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       SLACK_BOT_TOKEN=xoxb-your-bot-token-here

     

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       SLACK_SIGNING_SECRET=your-signing-secret-here

     

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       SLACK_CHANNEL=C1234567890  # Optional: for bidirectional bridging

     

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       # IRC Configuration

     

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       IRC_NICK=slackbridge

     

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       IRC_CHANNEL=#general

     

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       # Admin users (comma-separated Slack user IDs)

     

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       ADMINS=U1234567890

     
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       See `.env.example` for a template.

     

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       ### Managing Channel and User Mappings

     

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       Channel and user mappings are stored in a SQLite database (`bridge.db`). You can manage them through:

     

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       **Using Bun REPL:**

     

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       ```bash

     

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       bun repl

     

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       > import { channelMappings, userMappings } from "./src/db"

     

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       > channelMappings.create("C1234567890", "#general")

     

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       > userMappings.create("U1234567890", "myircnick")

     

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       > channelMappings.getAll()

     

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       ```

     

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       **Using SQLite directly:**

     

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       ```bash

     

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       bun:sqlite bridge.db

     

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       sqlite> SELECT * FROM channel_mappings;

     

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       sqlite> INSERT INTO channel_mappings (slack_channel_id, irc_channel) VALUES ('C1234567890', '#general');

     

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       ```

     

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       ### How it works

     

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       The bridge connects to `irc.hackclub.com:6667` (no TLS) and forwards messages bidirectionally:

     

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       The bridge connects to `irc.hackclub.com:6667` (no TLS) and forwards messages bidirectionally based on channel mappings:

     

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       - **IRC → Slack**: Messages from IRC appear in the configured Slack channel

     

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       - **Slack → IRC**: Messages from Slack are sent to the IRC channel (if SLACK_CHANNEL is configured)

     

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       - **IRC → Slack**: Messages from mapped IRC channels appear in their corresponding Slack channels

     

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       - **Slack → IRC**: Messages from mapped Slack channels are sent to their corresponding IRC channels

     

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       - User mappings allow custom IRC nicknames for specific Slack users

     

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       The bridge ignores its own messages and bot messages to prevent loops.

     

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bun.lock

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           "": {

     

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             "name": "irc-slack-bridge",

     

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             "dependencies": {

     

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               "irc-framework": "^4.14.0",

     

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               "irc": "^0.5.2",

     

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               "slack-edge": "^1.3.12",

     

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             },

     

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             "devDependencies": {

     

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               "@types/bun": "latest",

     

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               "@types/irc": "^0.5.4",

     

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             },

     

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             "peerDependencies": {

     

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               "typescript": "^5",

     
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           "is-regex": ["is-regex@1.2.1", "", { "dependencies": { "call-bound": "^1.0.2", "gopd": "^1.2.0", "has-tostringtag": "^1.0.2", "hasown": "^2.0.2" } }, "sha512-MjYsKHO5O7mCsmRGxWcLWheFqN9DJ/2TmngvjKXihe6efViPqc274+Fx/4fYj/r03+ESvBdTXK0V6tA3rgez1g=="],

     

       93
       93
       -
       

     

       94
       94
       -
           "is-typed-array": ["is-typed-array@1.1.15", "", { "dependencies": { "which-typed-array": "^1.1.16" } }, "sha512-p3EcsicXjit7SaskXHs1hA91QxgTw46Fv6EFKKGS5DRFLD8yKnohjF3hxoju94b/OcMZoQukzpPpBE9uLVKzgQ=="],

     

       95
       95
       -
       

     

       96
       96
       -
           "isomorphic-textencoder": ["isomorphic-textencoder@1.0.1", "", { "dependencies": { "fast-text-encoding": "^1.0.0" } }, "sha512-676hESgHullDdHDsj469hr+7t3i/neBKU9J7q1T4RHaWwLAsaQnywC0D1dIUId0YZ+JtVrShzuBk1soo0+GVcQ=="],

     

       97
       97
       -
       

     

       98
       98
       -
           "lodash": ["lodash@4.17.21", "", {}, "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="],

     

       99
       99
       -
       

     

       100
       100
       -
           "math-intrinsics": ["math-intrinsics@1.1.0", "", {}, "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g=="],

     

       101
       101
       -
       

     

       102
       102
       -
           "middleware-handler": ["middleware-handler@0.2.0", "", {}, "sha512-Qz4B0yWndSokapr3Kl7fpMRysS0DaBlOuATrExFuZbr+oXZ3rsAPufdLe8mUJXiG5A4aJGW6GfKS4PDfQwu7Mg=="],

     

       103
       103
       -
       

     

       104
       104
       -
           "possible-typed-array-names": ["possible-typed-array-names@1.1.0", "", {}, "sha512-/+5VFTchJDoVj3bhoqi6UeymcD00DAwb1nJwamzPvHEszJ4FpF6SNNbUbOS8yI56qHzdV8eK0qEfOSiodkTdxg=="],

     

       105
       105
       -
       

     

       106
       106
       -
           "readable-stream": ["readable-stream@3.6.2", "", { "dependencies": { "inherits": "^2.0.3", "string_decoder": "^1.1.1", "util-deprecate": "^1.0.1" } }, "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA=="],

     

       107
       107
       -
       

     

       108
       108
       -
           "regenerator-runtime": ["regenerator-runtime@0.14.1", "", {}, "sha512-dYnhHh0nJoMfnkZs6GmmhFknAGRrLznOu5nc9ML+EJxGvrx6H7teuevqVqCuPcPK//3eDrrjQhehXVx9cnkGdw=="],

     

       109
       109
       -
       

     

       110
       110
       -
           "safe-buffer": ["safe-buffer@5.2.1", "", {}, "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="],

     

       111
       111
       -
       

     

       112
       112
       -
           "safe-regex-test": ["safe-regex-test@1.1.0", "", { "dependencies": { "call-bound": "^1.0.2", "es-errors": "^1.3.0", "is-regex": "^1.2.1" } }, "sha512-x/+Cz4YrimQxQccJf5mKEbIa1NzeCRNI5Ecl/ekmlYaampdNLPalVyIcCZNNH3MvmqBugV5TMYZXv0ljslUlaw=="],

     

       113
       113
       -
       

     

       114
       114
       -
           "safer-buffer": ["safer-buffer@2.1.2", "", {}, "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="],

     

       115
       115
       -
       

     

       116
       116
       -
           "set-function-length": ["set-function-length@1.2.2", "", { "dependencies": { "define-data-property": "^1.1.4", "es-errors": "^1.3.0", "function-bind": "^1.1.2", "get-intrinsic": "^1.2.4", "gopd": "^1.0.1", "has-property-descriptors": "^1.0.2" } }, "sha512-pgRc4hJ4/sNjWCSS9AmnS40x3bNMDTknHgL5UaMBTMyJnU90EgWh1Rz+MC9eFu4BuN/UwZjKQuY/1v3rM7HMfg=="],

     

       37
       37
       +
           "node-icu-charset-detector": ["node-icu-charset-detector@0.2.0", "", { "dependencies": { "nan": "^2.3.3" } }, "sha512-DYOFJ3NfKdxEi9hPbmoCss6WydGhJsxpSleUlZfAWEbZt3AU7JuxailgA9tnqQdsHiujfUY9VtDfWD9m0+ThtQ=="],

     

       117
       38
        
       

     

       118
       39
        
           "slack-edge": ["slack-edge@1.3.12", "", { "dependencies": { "slack-web-api-client": "^1.1.7" } }, "sha512-9+He610rMeEeZawJY2UB4MGqQ4YwqOJXa+g5z0j26JCguFPv3MkByLiYsIf9fJMsCega4863RqzLCQ61AvCPAA=="],

     

       119
       40
        
       

     

       120
       41
        
           "slack-web-api-client": ["slack-web-api-client@1.1.7", "", {}, "sha512-R36tRp8JcBTHXHMs60sNJTHbUrfj/+5X3ezSNbdoNXTdcRGPM8NZ6ANG3MeZEROxYEOm665Ya7QNfp/xmskQbw=="],

     

       121
       42
        
       

     

       122
       122
       -
           "smart-buffer": ["smart-buffer@4.2.0", "", {}, "sha512-94hK0Hh8rPqQl2xXc3HsaBoOXKV20MToPkcXvwbISWLEs+64sBq5kFgn2kJDHb1Pry9yrP0dxrCI9RRci7RXKg=="],

     

       123
       123
       -
       

     

       124
       124
       -
           "socks": ["socks@2.8.7", "", { "dependencies": { "ip-address": "^10.0.1", "smart-buffer": "^4.2.0" } }, "sha512-HLpt+uLy/pxB+bum/9DzAgiKS8CX1EvbWxI4zlmgGCExImLdiad2iCwXT5Z4c9c3Eq8rP2318mPW2c+QbtjK8A=="],

     

       125
       125
       -
       

     

       126
       126
       -
           "stream-browserify": ["stream-browserify@3.0.0", "", { "dependencies": { "inherits": "~2.0.4", "readable-stream": "^3.5.0" } }, "sha512-H73RAHsVBapbim0tU2JwwOiXUj+fikfiaoYAKHF3VJfA0pe2BCzkhAHBlLG6REzE+2WNZcxOXjK7lkso+9euLA=="],

     

       127
       127
       -
       

     

       128
       128
       -
           "string_decoder": ["string_decoder@1.3.0", "", { "dependencies": { "safe-buffer": "~5.2.0" } }, "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA=="],

     

       129
       129
       -
       

     

       130
       43
        
           "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],

     

       131
       44
        
       

     

       132
       45
        
           "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],

     

       133
       133
       -
       

     

       134
       134
       -
           "util": ["util@0.12.5", "", { "dependencies": { "inherits": "^2.0.3", "is-arguments": "^1.0.4", "is-generator-function": "^1.0.7", "is-typed-array": "^1.1.3", "which-typed-array": "^1.1.2" } }, "sha512-kZf/K6hEIrWHI6XqOFUiiMa+79wE/D8Q+NCNAWclkyg3b4d2k7s0QGepNjiABc+aR3N1PAyHL7p6UcLY6LmrnA=="],

     

       135
       135
       -
       

     

       136
       136
       -
           "util-deprecate": ["util-deprecate@1.0.2", "", {}, "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="],

     

       137
       137
       -
       

     

       138
       138
       -
           "which-typed-array": ["which-typed-array@1.1.19", "", { "dependencies": { "available-typed-arrays": "^1.0.7", "call-bind": "^1.0.8", "call-bound": "^1.0.4", "for-each": "^0.3.5", "get-proto": "^1.0.1", "gopd": "^1.2.0", "has-tostringtag": "^1.0.2" } }, "sha512-rEvr90Bck4WZt9HHFC4DJMsjvu7x+r6bImz0/BrbWb7A2djJ8hnZMrWnHo9F8ssv0OMErasDhftrfROTyqSDrw=="],

     

       139
       46
        
         }

     

       140
       47
        
       }

-133

index.ts

···

       1
       1
       -
       import { SlackApp } from "slack-edge";

     

       2
       2
       -
       import { version } from "./package.json";

     

       3
       3
       -
       import * as irc from "irc-framework";

     

       4
       4
       -
       

     

       5
       5
       -
       const missingEnvVars = [];

     

       6
       6
       -
       if (!process.env.SLACK_BOT_TOKEN) missingEnvVars.push("SLACK_BOT_TOKEN");

     

       7
       7
       -
       if (!process.env.SLACK_SIGNING_SECRET) missingEnvVars.push("SLACK_SIGNING_SECRET");

     

       8
       8
       -
       if (!process.env.ADMINS) missingEnvVars.push("ADMINS");

     

       9
       9
       -
       if (!process.env.IRC_NICK) missingEnvVars.push("IRC_NICK");

     

       10
       10
       -
       if (!process.env.IRC_CHANNEL) missingEnvVars.push("IRC_CHANNEL");

     

       11
       11
       -
       

     

       12
       12
       -
       if (missingEnvVars.length > 0) {

     

       13
       13
       -
       	throw new Error(

     

       14
       14
       -
       		`Missing required environment variables: ${missingEnvVars.join(", ")}`,

     

       15
       15
       -
       	);

     

       16
       16
       -
       }

     

       17
       17
       -
       

     

       18
       18
       -
       const slackApp = new SlackApp({

     

       19
       19
       -
       	env: {

     

       20
       20
       -
       		SLACK_BOT_TOKEN: process.env.SLACK_BOT_TOKEN,

     

       21
       21
       -
       		SLACK_SIGNING_SECRET: process.env.SLACK_SIGNING_SECRET,

     

       22
       22
       -
       		SLACK_LOGGING_LEVEL: "INFO",

     

       23
       23
       -
       	},

     

       24
       24
       -
       	startLazyListenerAfterAck: true,

     

       25
       25
       -
       });

     

       26
       26
       -
       const slackClient = slackApp.client;

     

       27
       27
       -
       

     

       28
       28
       -
       // IRC client setup

     

       29
       29
       -
       const ircClient = new irc.Client();

     

       30
       30
       -
       ircClient.connect({

     

       31
       31
       -
       	host: "irc.hackclub.com",

     

       32
       32
       -
       	port: 6667,

     

       33
       33
       -
       	tls: false,

     

       34
       34
       -
       	nick: process.env.IRC_NICK,

     

       35
       35
       -
       	username: process.env.IRC_NICK,

     

       36
       36
       -
       	gecos: "Slack IRC Bridge",

     

       37
       37
       -
       	auto_reconnect: true,

     

       38
       38
       -
       	auto_reconnect_wait: 4000,

     

       39
       39
       -
       	auto_reconnect_max_retries: 0,

     

       40
       40
       -
       });

     

       41
       41
       -
       

     

       42
       42
       -
       const ircChannel = process.env.IRC_CHANNEL;

     

       43
       43
       -
       const slackChannel = process.env.SLACK_CHANNEL;

     

       44
       44
       -
       

     

       45
       45
       -
       // IRC event handlers

     

       46
       46
       -
       ircClient.on("registered", () => {

     

       47
       47
       -
       	console.log("Connected to IRC server");

     

       48
       48
       -
       	ircClient.join(ircChannel);

     

       49
       49
       -
       });

     

       50
       50
       -
       

     

       51
       51
       -
       ircClient.on("join", (event) => {

     

       52
       52
       -
       	if (event.nick === ircClient.user.nick) {

     

       53
       53
       -
       		console.log(`Joined IRC channel: ${event.channel}`);

     

       54
       54
       -
       	}

     

       55
       55
       -
       });

     

       56
       56
       -
       

     

       57
       57
       -
       ircClient.on("message", async (event) => {

     

       58
       58
       -
       	if (event.nick === ircClient.user.nick) return;

     

       59
       59
       -
       	if (event.nick === "****") return;

     

       60
       60
       -
       	

     

       61
       61
       -
       	if (slackChannel) {

     

       62
       62
       -
       		try {

     

       63
       63
       -
       			await slackClient.chat.postMessage({

     

       64
       64
       -
       				token: process.env.SLACK_BOT_TOKEN,

     

       65
       65
       -
       				channel: slackChannel,

     

       66
       66
       -
       				text: event.message,

     

       67
       67
       -
       				username: event.nick,

     

       68
       68
       -
       				unfurl_links: false,

     

       69
       69
       -
       				unfurl_media: false,

     

       70
       70
       -
       			});

     

       71
       71
       -
       		} catch (error) {

     

       72
       72
       -
       			console.error("Error posting to Slack:", error);

     

       73
       73
       -
       		}

     

       74
       74
       -
       	}

     

       75
       75
       -
       });

     

       76
       76
       -
       

     

       77
       77
       -
       ircClient.on("close", () => {

     

       78
       78
       -
       	console.log("Disconnected from IRC server");

     

       79
       79
       -
       });

     

       80
       80
       -
       

     

       81
       81
       -
       ircClient.on("error", (error) => {

     

       82
       82
       -
       	console.error("IRC error:", error);

     

       83
       83
       -
       });

     

       84
       84
       -
       

     

       85
       85
       -
       // Slack event handlers

     

       86
       86
       -
       slackApp.event("message", async ({ payload }) => {

     

       87
       87
       -
       	if (payload.subtype) return;

     

       88
       88
       -
       	if (payload.bot_id) return;

     

       89
       89
       -
       	if (!slackChannel || payload.channel !== slackChannel) return;

     

       90
       90
       -
       

     

       91
       91
       -
       	try {

     

       92
       92
       -
       		const userInfo = await slackClient.users.info({

     

       93
       93
       -
       			token: process.env.SLACK_BOT_TOKEN,

     

       94
       94
       -
       			user: payload.user,

     

       95
       95
       -
       		});

     

       96
       96
       -
       		

     

       97
       97
       -
       		const username = userInfo.user?.real_name || userInfo.user?.name || "Unknown";

     

       98
       98
       -
       		const message = `<${username}> ${payload.text}`;

     

       99
       99
       -
       		

     

       100
       100
       -
       		ircClient.say(ircChannel, message);

     

       101
       101
       -
       	} catch (error) {

     

       102
       102
       -
       		console.error("Error handling Slack message:", error);

     

       103
       103
       -
       	}

     

       104
       104
       -
       });

     

       105
       105
       -
       

     

       106
       106
       -
       export default {

     

       107
       107
       -
       	port: process.env.PORT || 3000,

     

       108
       108
       -
       	async fetch(request: Request) {

     

       109
       109
       -
       		const url = new URL(request.url);

     

       110
       110
       -
       		const path = url.pathname;

     

       111
       111
       -
       

     

       112
       112
       -
       		switch (path) {

     

       113
       113
       -
       			case "/":

     

       114
       114
       -
       				return new Response(`Hello World from irc-slack-bridge@${version}`);

     

       115
       115
       -
       			case "/health":

     

       116
       116
       -
       				return new Response("OK");

     

       117
       117
       -
       			case "/slack":

     

       118
       118
       -
       				return slackApp.run(request);

     

       119
       119
       -
       			default:

     

       120
       120
       -
       				return new Response("404 Not Found", { status: 404 });

     

       121
       121
       -
       		}

     

       122
       122
       -
       	},

     

       123
       123
       -
       };

     

       124
       124
       -
       

     

       125
       125
       -
       console.log(

     

       126
       126
       -
       	`🚀 Server Started in ${Bun.nanoseconds() / 1000000} milliseconds on version: ${version}!\n\n----------------------------------\n`,

     

       127
       127
       -
       );

     

       128
       128
       -
       console.log(`Connecting to IRC: irc.hackclub.com:6667 as ${process.env.IRC_NICK}`);

     

       129
       129
       -
       console.log(`IRC Channel: ${ircChannel}`);

     

       130
       130
       -
       console.log(`Slack Channel: ${slackChannel || "Not configured (IRC->Slack only)"}`);

     

       131
       131
       -
       

     

       132
       132
       -
       export { slackApp, slackClient, ircClient, version };

     

       133
       133
       -

+6 -5

package.json

···

       1
       1
        
       {

     

       2
       2
        
         "name": "irc-slack-bridge",

     

       3
       3
        
         "version": "0.0.1",

     

       4
       4
       -
         "module": "index.ts",

     

       4
       4
       +
         "module": "src/index.ts",

     

       5
       5
        
         "type": "module",

     

       6
       6
        
         "private": true,

     

       7
       7
        
         "scripts": {

     

       8
       8
       -
           "dev": "bun --hot index.ts",

     

       9
       9
       -
           "start": "bun index.ts",

     

       8
       8
       +
           "dev": "bun --hot src/index.ts",

     

       9
       9
       +
           "start": "bun src/index.ts",

     

       10
       10
        
           "ngrok": "ngrok http 3000 --domain casual-renewing-reptile.ngrok-free.app"

     

       11
       11
        
         },

     

       12
       12
        
         "devDependencies": {

     

       13
       13
       -
           "@types/bun": "latest"

     

       13
       13
       +
           "@types/bun": "latest",

     

       14
       14
       +
           "@types/irc": "^0.5.4"

     

       14
       15
        
         },

     

       15
       16
        
         "peerDependencies": {

     

       16
       17
        
           "typescript": "^5"

     

       17
       18
        
         },

     

       18
       19
        
         "dependencies": {

     

       19
       19
       -
           "irc-framework": "^4.14.0",

     

       20
       20
       +
           "irc": "^0.5.2",

     

       20
       21
        
           "slack-edge": "^1.3.12"

     

       21
       22
        
         }

     

       22
       23
        
       }

slack-manifest.yaml

···

       11
       11
        
           bot:

     

       12
       12
        
             - channels:history

     

       13
       13
        
             - channels:read

     

       14
       14
       +
             - channels:write

     

       15
       15
       +
             - channels:manage

     

       14
       16
        
             - chat:write

     

       15
       17
        
             - chat:write.customize

     

       18
       18
       +
             - groups:read

     

       19
       19
       +
             - groups:write

     

       20
       20
       +
             - mpim:write

     

       21
       21
       +
             - im:write

     

       16
       22
        
             - users:read

     

       17
       23
        
       settings:

     

       18
       24
        
         event_subscriptions:

+87

src/db.ts

···

       1
       1
       +
       import { Database } from "bun:sqlite";

     

       2
       2
       +
       

     

       3
       3
       +
       const db = new Database("bridge.db");

     

       4
       4
       +
       

     

       5
       5
       +
       db.run(`

     

       6
       6
       +
         CREATE TABLE IF NOT EXISTS channel_mappings (

     

       7
       7
       +
           id INTEGER PRIMARY KEY AUTOINCREMENT,

     

       8
       8
       +
           slack_channel_id TEXT NOT NULL UNIQUE,

     

       9
       9
       +
           irc_channel TEXT NOT NULL,

     

       10
       10
       +
           created_at INTEGER DEFAULT (strftime('%s', 'now'))

     

       11
       11
       +
         )

     

       12
       12
       +
       `);

     

       13
       13
       +
       

     

       14
       14
       +
       db.run(`

     

       15
       15
       +
         CREATE TABLE IF NOT EXISTS user_mappings (

     

       16
       16
       +
           id INTEGER PRIMARY KEY AUTOINCREMENT,

     

       17
       17
       +
           slack_user_id TEXT NOT NULL UNIQUE,

     

       18
       18
       +
           irc_nick TEXT NOT NULL,

     

       19
       19
       +
           created_at INTEGER DEFAULT (strftime('%s', 'now'))

     

       20
       20
       +
         )

     

       21
       21
       +
       `);

     

       22
       22
       +
       

     

       23
       23
       +
       export interface ChannelMapping {

     

       24
       24
       +
       	id?: number;

     

       25
       25
       +
       	slack_channel_id: string;

     

       26
       26
       +
       	irc_channel: string;

     

       27
       27
       +
       	created_at?: number;

     

       28
       28
       +
       }

     

       29
       29
       +
       

     

       30
       30
       +
       export interface UserMapping {

     

       31
       31
       +
       	id?: number;

     

       32
       32
       +
       	slack_user_id: string;

     

       33
       33
       +
       	irc_nick: string;

     

       34
       34
       +
       	created_at?: number;

     

       35
       35
       +
       }

     

       36
       36
       +
       

     

       37
       37
       +
       export const channelMappings = {

     

       38
       38
       +
       	getAll(): ChannelMapping[] {

     

       39
       39
       +
       		return db.query("SELECT * FROM channel_mappings").all() as ChannelMapping[];

     

       40
       40
       +
       	},

     

       41
       41
       +
       

     

       42
       42
       +
       	getBySlackChannel(slackChannelId: string): ChannelMapping | null {

     

       43
       43
       +
       		return db.query("SELECT * FROM channel_mappings WHERE slack_channel_id = ?").get(slackChannelId) as ChannelMapping | null;

     

       44
       44
       +
       	},

     

       45
       45
       +
       

     

       46
       46
       +
       	getByIrcChannel(ircChannel: string): ChannelMapping | null {

     

       47
       47
       +
       		return db.query("SELECT * FROM channel_mappings WHERE irc_channel = ?").get(ircChannel) as ChannelMapping | null;

     

       48
       48
       +
       	},

     

       49
       49
       +
       

     

       50
       50
       +
       	create(slackChannelId: string, ircChannel: string): void {

     

       51
       51
       +
       		db.run(

     

       52
       52
       +
       			"INSERT OR REPLACE INTO channel_mappings (slack_channel_id, irc_channel) VALUES (?, ?)",

     

       53
       53
       +
       			[slackChannelId, ircChannel]

     

       54
       54
       +
       		);

     

       55
       55
       +
       	},

     

       56
       56
       +
       

     

       57
       57
       +
       	delete(slackChannelId: string): void {

     

       58
       58
       +
       		db.run("DELETE FROM channel_mappings WHERE slack_channel_id = ?", [slackChannelId]);

     

       59
       59
       +
       	},

     

       60
       60
       +
       };

     

       61
       61
       +
       

     

       62
       62
       +
       export const userMappings = {

     

       63
       63
       +
       	getAll(): UserMapping[] {

     

       64
       64
       +
       		return db.query("SELECT * FROM user_mappings").all() as UserMapping[];

     

       65
       65
       +
       	},

     

       66
       66
       +
       

     

       67
       67
       +
       	getBySlackUser(slackUserId: string): UserMapping | null {

     

       68
       68
       +
       		return db.query("SELECT * FROM user_mappings WHERE slack_user_id = ?").get(slackUserId) as UserMapping | null;

     

       69
       69
       +
       	},

     

       70
       70
       +
       

     

       71
       71
       +
       	getByIrcNick(ircNick: string): UserMapping | null {

     

       72
       72
       +
       		return db.query("SELECT * FROM user_mappings WHERE irc_nick = ?").get(ircNick) as UserMapping | null;

     

       73
       73
       +
       	},

     

       74
       74
       +
       

     

       75
       75
       +
       	create(slackUserId: string, ircNick: string): void {

     

       76
       76
       +
       		db.run(

     

       77
       77
       +
       			"INSERT OR REPLACE INTO user_mappings (slack_user_id, irc_nick) VALUES (?, ?)",

     

       78
       78
       +
       			[slackUserId, ircNick]

     

       79
       79
       +
       		);

     

       80
       80
       +
       	},

     

       81
       81
       +
       

     

       82
       82
       +
       	delete(slackUserId: string): void {

     

       83
       83
       +
       		db.run("DELETE FROM user_mappings WHERE slack_user_id = ?", [slackUserId]);

     

       84
       84
       +
       	},

     

       85
       85
       +
       };

     

       86
       86
       +
       

     

       87
       87
       +
       export default db;

+197

src/index.ts

···

       1
       1
       +
       import * as irc from "irc";

     

       2
       2
       +
       import { SlackAPIClient, SlackApp } from "slack-edge";

     

       3
       3
       +
       import { version } from "../package.json";

     

       4
       4
       +
       import { channelMappings, userMappings } from "./db";

     

       5
       5
       +
       

     

       6
       6
       +
       const missingEnvVars = [];

     

       7
       7
       +
       if (!process.env.SLACK_BOT_TOKEN) missingEnvVars.push("SLACK_BOT_TOKEN");

     

       8
       8
       +
       if (!process.env.SLACK_SIGNING_SECRET)

     

       9
       9
       +
         missingEnvVars.push("SLACK_SIGNING_SECRET");

     

       10
       10
       +
       if (!process.env.ADMINS) missingEnvVars.push("ADMINS");

     

       11
       11
       +
       if (!process.env.IRC_NICK) missingEnvVars.push("IRC_NICK");

     

       12
       12
       +
       

     

       13
       13
       +
       if (missingEnvVars.length > 0) {

     

       14
       14
       +
         throw new Error(

     

       15
       15
       +
           `Missing required environment variables: ${missingEnvVars.join(", ")}`,

     

       16
       16
       +
         );

     

       17
       17
       +
       }

     

       18
       18
       +
       

     

       19
       19
       +
       const slackApp = new SlackApp({

     

       20
       20
       +
         env: {

     

       21
       21
       +
           SLACK_BOT_TOKEN: process.env.SLACK_BOT_TOKEN as string,

     

       22
       22
       +
           SLACK_SIGNING_SECRET: process.env.SLACK_SIGNING_SECRET as string,

     

       23
       23
       +
           SLACK_LOGGING_LEVEL: "INFO",

     

       24
       24
       +
         },

     

       25
       25
       +
         startLazyListenerAfterAck: true,

     

       26
       26
       +
       });

     

       27
       27
       +
       const slackClient = slackApp.client;

     

       28
       28
       +
       

     

       29
       29
       +
       // Get bot user ID

     

       30
       30
       +
       let botUserId: string | undefined;

     

       31
       31
       +
       slackClient.auth.test({

     

       32
       32
       +
         token: process.env.SLACK_BOT_TOKEN,

     

       33
       33
       +
       }).then((result) => {

     

       34
       34
       +
         botUserId = result.user_id;

     

       35
       35
       +
         console.log(`Bot user ID: ${botUserId}`);

     

       36
       36
       +
       });

     

       37
       37
       +
       

     

       38
       38
       +
       // IRC client setup

     

       39
       39
       +
       const ircClient = new irc.Client(

     

       40
       40
       +
         "irc.hackclub.com",

     

       41
       41
       +
         process.env.IRC_NICK || "slackbridge",

     

       42
       42
       +
         {

     

       43
       43
       +
           port: 6667,

     

       44
       44
       +
           autoRejoin: true,

     

       45
       45
       +
           autoConnect: true,

     

       46
       46
       +
           channels: [],

     

       47
       47
       +
           secure: false,

     

       48
       48
       +
           userName: process.env.IRC_NICK,

     

       49
       49
       +
           realName: "Slack IRC Bridge",

     

       50
       50
       +
         },

     

       51
       51
       +
       );

     

       52
       52
       +
       

     

       53
       53
       +
       // Join all mapped IRC channels on connect

     

       54
       54
       +
       ircClient.addListener("registered", async () => {

     

       55
       55
       +
         console.log("Connected to IRC server");

     

       56
       56
       +
         const mappings = channelMappings.getAll();

     

       57
       57
       +
         for (const mapping of mappings) {

     

       58
       58
       +
           ircClient.join(mapping.irc_channel);

     

       59
       59
       +
         }

     

       60
       60
       +
       });

     

       61
       61
       +
       

     

       62
       62
       +
       ircClient.addListener("join", (channel: string, nick: string) => {

     

       63
       63
       +
         if (nick === process.env.IRC_NICK) {

     

       64
       64
       +
           console.log(`Joined IRC channel: ${channel}`);

     

       65
       65
       +
         }

     

       66
       66
       +
       });

     

       67
       67
       +
       

     

       68
       68
       +
       ircClient.addListener(

     

       69
       69
       +
         "message",

     

       70
       70
       +
         async (nick: string, to: string, text: string) => {

     

       71
       71
       +
           if (nick === process.env.IRC_NICK) return;

     

       72
       72
       +
           if (nick === "****") return;

     

       73
       73
       +
       

     

       74
       74
       +
           // Find Slack channel mapping for this IRC channel

     

       75
       75
       +
           const mapping = channelMappings.getByIrcChannel(to);

     

       76
       76
       +
           if (!mapping) return;

     

       77
       77
       +
       

     

       78
       78
       +
           // Check if this IRC nick is mapped to a Slack user

     

       79
       79
       +
           const userMapping = userMappings.getByIrcNick(nick);

     

       80
       80
       +
       

     

       81
       81
       +
           const displayName = `${nick} <irc>`;

     

       82
       82
       +
           let iconUrl: string | undefined;

     

       83
       83
       +
       

     

       84
       84
       +
           if (userMapping) {

     

       85
       85
       +
             try {

     

       86
       86
       +
               iconUrl = `https://cachet.dunkirk.sh/users/${userMapping.slack_user_id}/r`;

     

       87
       87
       +
             } catch (error) {

     

       88
       88
       +
               console.error("Error fetching user info:", error);

     

       89
       89
       +
             }

     

       90
       90
       +
           }

     

       91
       91
       +
       

     

       92
       92
       +
           try {

     

       93
       93
       +
             await slackClient.chat.postMessage({

     

       94
       94
       +
               token: process.env.SLACK_BOT_TOKEN,

     

       95
       95
       +
               channel: mapping.slack_channel_id,

     

       96
       96
       +
               text: text,

     

       97
       97
       +
               username: displayName,

     

       98
       98
       +
               icon_url: iconUrl,

     

       99
       99
       +
               unfurl_links: false,

     

       100
       100
       +
               unfurl_media: false,

     

       101
       101
       +
             });

     

       102
       102
       +
           } catch (error) {

     

       103
       103
       +
             console.error("Error posting to Slack:", error);

     

       104
       104
       +
           }

     

       105
       105
       +
         },

     

       106
       106
       +
       );

     

       107
       107
       +
       

     

       108
       108
       +
       ircClient.addListener("error", (error: string) => {

     

       109
       109
       +
         console.error("IRC error:", error);

     

       110
       110
       +
       });

     

       111
       111
       +
       

     

       112
       112
       +
       // Slack event handlers

     

       113
       113
       +
       slackApp.event("message", async ({ payload }) => {

     

       114
       114
       +
         if (payload.subtype) return;

     

       115
       115
       +
         if (payload.bot_id) return;

     

       116
       116
       +
         if (payload.user === botUserId) return;

     

       117
       117
       +
       

     

       118
       118
       +
         // Find IRC channel mapping for this Slack channel

     

       119
       119
       +
         const mapping = channelMappings.getBySlackChannel(payload.channel);

     

       120
       120
       +
         if (!mapping) {

     

       121
       121
       +
           console.log(

     

       122
       122
       +
             `No IRC channel mapping found for Slack channel ${payload.channel}`,

     

       123
       123
       +
           );

     

       124
       124
       +
           slackClient.conversations.leave({

     

       125
       125
       +
             channel: payload.channel,

     

       126
       126
       +
           });

     

       127
       127
       +
           return;

     

       128
       128
       +
         }

     

       129
       129
       +
       

     

       130
       130
       +
         try {

     

       131
       131
       +
           const userInfo = await slackClient.users.info({

     

       132
       132
       +
             token: process.env.SLACK_BOT_TOKEN,

     

       133
       133
       +
             user: payload.user,

     

       134
       134
       +
           });

     

       135
       135
       +
       

     

       136
       136
       +
           // Check for user mapping, otherwise use Slack name

     

       137
       137
       +
           const userMapping = userMappings.getBySlackUser(payload.user);

     

       138
       138
       +
           const username =

     

       139
       139
       +
             userMapping?.irc_nick ||

     

       140
       140
       +
             userInfo.user?.real_name ||

     

       141
       141
       +
             userInfo.user?.name ||

     

       142
       142
       +
             "Unknown";

     

       143
       143
       +
           

     

       144
       144
       +
           // Parse Slack mentions and replace with display names

     

       145
       145
       +
           let messageText = payload.text;

     

       146
       146
       +
           const mentionRegex = /<@(U[A-Z0-9]+)>/g;

     

       147
       147
       +
           const mentions = Array.from(messageText.matchAll(mentionRegex));

     

       148
       148
       +
           

     

       149
       149
       +
           for (const match of mentions) {

     

       150
       150
       +
             const userId = match[1];

     

       151
       151
       +
             try {

     

       152
       152
       +
               const response = await fetch(`https://cachet.dunkirk.sh/users/${userId}`);

     

       153
       153
       +
               if (response.ok) {

     

       154
       154
       +
                 const data = await response.json();

     

       155
       155
       +
                 messageText = messageText.replace(match[0], `@${data.displayName}`);

     

       156
       156
       +
               }

     

       157
       157
       +
             } catch (error) {

     

       158
       158
       +
               console.error(`Error fetching user ${userId} from cachet:`, error);

     

       159
       159
       +
             }

     

       160
       160
       +
           }

     

       161
       161
       +
           

     

       162
       162
       +
           const message = `<${username}> ${messageText}`;

     

       163
       163
       +
       

     

       164
       164
       +
           console.log(`Sending to IRC ${mapping.irc_channel}: ${message}`);

     

       165
       165
       +
           ircClient.say(mapping.irc_channel, message);

     

       166
       166
       +
         } catch (error) {

     

       167
       167
       +
           console.error("Error handling Slack message:", error);

     

       168
       168
       +
         }

     

       169
       169
       +
       });

     

       170
       170
       +
       

     

       171
       171
       +
       export default {

     

       172
       172
       +
         port: process.env.PORT || 3000,

     

       173
       173
       +
         async fetch(request: Request) {

     

       174
       174
       +
           const url = new URL(request.url);

     

       175
       175
       +
           const path = url.pathname;

     

       176
       176
       +
       

     

       177
       177
       +
           switch (path) {

     

       178
       178
       +
             case "/":

     

       179
       179
       +
               return new Response(`Hello World from irc-slack-bridge@${version}`);

     

       180
       180
       +
             case "/health":

     

       181
       181
       +
               return new Response("OK");

     

       182
       182
       +
             case "/slack":

     

       183
       183
       +
               return slackApp.run(request);

     

       184
       184
       +
             default:

     

       185
       185
       +
               return new Response("404 Not Found", { status: 404 });

     

       186
       186
       +
           }

     

       187
       187
       +
         },

     

       188
       188
       +
       };

     

       189
       189
       +
       

     

       190
       190
       +
       console.log(

     

       191
       191
       +
         `🚀 Server Started in ${Bun.nanoseconds() / 1000000} milliseconds on version: ${version}!\n\n----------------------------------\n`,

     

       192
       192
       +
       );

     

       193
       193
       +
       console.log(

     

       194
       194
       +
         `Connecting to IRC: irc.hackclub.com:6667 as ${process.env.IRC_NICK}`,

     

       195
       195
       +
       );

     

       196
       196
       +
       console.log(`Channel mappings: ${channelMappings.getAll().length}`);

     

       197
       197
       +
       console.log(`User mappings: ${userMappings.getAll().length}`);