Webstone

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Webstone

By SniperGEROwner

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Remote control your Redstone contraptions using WebSockets.

Mod Loaders
Minecraft
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About

Description

icon.png

Webstone

Available for-Forge--1.20.1-green webstone?style=flat&color=900c3f 1082358?logo=CurseForge&label=&suffix= &color=242629&labelColor=f16436&logoColor=e9e9e9 webstone?logo=modrinth&label=&suffix= &color=242629&labelColor=5ca424&logoColor=1c1c1c

Remote control your Redstone contraptions using WebSockets.

Background

This mod is inspired by a YouTube video by Fundy, in which he briefly shows a custom Redstone block that can be controlled via a browser. This part of the video never got released as a standalone mod, so this is where Webstone comes in.

Usage

The mod opens up a WebSocket server on port 4321, which then lets you connect with any WebSocket client (like this one - or the hosted client at http://webstone.festival.tf) to toggle registered blocks or change their output signal strength.
You can find the Webstone Remote Block under the "Redstone Blocks" tab in Creative Mode (no Survival recipe yet). To register it, right-click it with an empty hand (if successful, you'll see a message above your hotbar). To toggle it locally, right-click the block while sneaking.

Crafting Recipe

Starting with Webstone 1.0.1, the Webstone Remote Block can be crafted outside of Creative:

crafting-webstone-remote-block

See the full description at https://github.com/festivaldev/webstone

icon.png

Webstone

Available%20for-Forge--1.20.1-green webstone?style=flat&color=900c3f 1082358?logo=CurseForge&label=&suffix=%20&color=242629&labelColor=f16436&logoColor=e9e9e9 webstone?logo=modrinth&label=&suffix=%20&color=242629&labelColor=5ca424&logoColor=1c1c1c

Remote control your Redstone contraptions using WebSockets.

Background

This mod is inspired by a YouTube video by Fundy, in which he briefly shows a custom Redstone block that can be controlled via a browser. This part of the video never got released as a standalone mod, so this is where Webstone comes in.

Usage

The mod opens up a WebSocket server on port 4321, which then lets you connect with any WebSocket client (like this one - or the hosted client at http://webstone.festival.tf) to toggle registered blocks or change their output signal strength.
You can find the Webstone Remote Block under the "Redstone Blocks" tab in Creative Mode (no Survival recipe yet). To register it, right-click it with an empty hand (if successful, you'll see a message above your hotbar). To toggle it locally, right-click the block while sneaking.

Crafting Recipe

Starting with Webstone 1.0.1, the Webstone Remote Block can be crafted outside of Creative:

crafting-webstone-remote-block

Configuration Options

Webstone has its own configuration file, located at .minecraft/config/webstone-config.toml. You can set the following options:

Key Default value Description
Passphrase "" Passphrase to allow only authorized users.
WebSocketPort 4321 Port used by the Webstone WebSocket Server.
SecureWebSocket false Specifies if the WebSocket should use a secure connection.
CertificateFilename cert.pem Filename of the certificate public key inside .minecraft/data.
CertificateKeyFilename key.pem Filename of the certificate private key inside .minecraft/data.
CertificateKeyPass "" Passphrase used for the private key.

API Reference

Server → Client

If the WebSocket server needs a passphrase to connect to, clients need to supply it encoded as a hex string in the Sec-WebSocket-Protocol header. Using JavaScript, you can add it to an array as a second parameter when creating a WebSocket instance, following the connection URL:

const socket = new WebSocket('ws://<IP address or FQDN>:4321', ['<your passphrase>']);

When connecting to the WebSocket server, the connecting client receives a list of currently registered blocks (including their display name, the current powered state, the output signal strength and the assigned group's id, if any), as well as block groups.

{
    "type": "block_list",
    "data": [
        {
            "blockId": "00000000-0000-0000-0000-000000000000",
            "name": "Example",
            "power": 15,
            "powered": false,
            "groupId": "00000000-0000-0000-0000-000000000000"
        },
        // ...
    ]
}

{
    "type": "block_groups",
    "data": [
        {
            "groupId": "00000000-0000-0000-0000-000000000000",
            "name": "Example Group",
            "blockIds": [
                //...
            ]
        },
        // ...
    ]
}

If any block or group is updated, their data will broadcast to every connected client.

{
    "type": "block_updated",
    "data": {
        "blockId": "00000000-0000-0000-0000-000000000000",
        "name": "Example",
        "power": 15,
        "powered": false,
        "groupId": "00000000-0000-0000-0000-000000000000"
    }
}

{
    "type": "group_updated",
    "data": 
        "groupId": "00000000-0000-0000-0000-000000000000",
        "name": "Example Group",
        "blockIds": [
            //...
        ]
    }
}
Client → Server

Block Management

Set a block's powered state:

{
    "type": "block_state",
    "data": {
        "blockId": "00000000-0000-0000-0000-000000000000",
        "powered": false // Can be either true or false
    }
}

Set a block's output signal strength:

{
    "type": "block_power",
    "data": {
        "blockId": "00000000-0000-0000-0000-000000000000",
        "power": 7 // Can be anything between 0 and 15
    }
}

Set the display name of a block:

{
    "type": "rename_block",
    "data": {
        "blockId": "00000000-0000-0000-0000-000000000000",
        "name": "My Example Block"
    }
}

Delete a block from the Web UI:

{
    "type": "unregister_block",
    "data": {
        "blockId": "00000000-0000-0000-0000-000000000000"
    }
}

Add or remove a block to/from a group:

{
    "type": "change_group",
    "data": {
        "blockId": "00000000-0000-0000-0000-000000000000",
        "groupId": "00000000-0000-0000-0000-000000000000"
    }
}

Move a block to a different position in a group:

This only affects a block if it has been assigned to a group.

{
    "type": "move_block",
    "data": {
        "blockId": "00000000-0000-0000-0000-000000000000",
        "newIndex": "2"
    }
}

Group Management

Create a new group:

{
    "type": "create_group",
    "data": {
        "name": "My awesome group"
    }
}

Rename a group:

{
    "type": "create_group",
    "data": {
        "groupId": "00000000-0000-0000-0000-000000000000",
        "name": "My awesome (renamed) group"
    }
}

Delete a group:

{
    "type": "delete_group",
    "data": {
        "groupId": "00000000-0000-0000-0000-000000000000"
    }
}

Move a group to a new position in the list of all groups:

{
    "type": "move_group",
    "data": {
        "groupId": "00000000-0000-0000-0000-000000000000",
        "newIndex": 2
    }
}

Security

In Webstone 1.0.2, two security options have been added: an optional passphrase required to connect to the WebSocket server, as well as support for Secure WebSockets using SSL certificates.

Passphrase

In order to protect your server from unauthorized access, you can add an optional passphrase that clients need to submit before connecting to the WebSocket Server. This passphrase needs to be hashed using Bcrypt, so you don't have to store your passphrase in plain text.

To generate a Bcrypt hash, you can use mkpasswd on Debian-based systems (available in the whois package):

$ mkpasswd -m bcrypt <your password>
$2b$05$aHZ8W4AL3o.GnXN5ocSWXumD0Qlu0fU5jLGseYdLzbDW5N1d21Poa

The result then needs to be added to the configuration using the Passphrase key.

As described in the API Reference, connecting to the WebSocket server then needs the Sec-WebSocket-Protocol header to be set client-side to the hex-encoded passphrase in order for the connection to not be rejected.

Secure WebSocket using TLS

By default, the traffic between the WebSocket server and clients is unencrypted. To encrypt the traffic, you'll need a domain name and a SSL certificate for that domain specifically, including the private and the public key. Both keys need to be stored in .minecraft/data as cert.pem (public key) and key.pem (private key) respectively. If the private key requires its own passphrase, you can set the CertificateKeyPass key in the config.

To enable or disable Secure WebSocket, set the SecureWebSocket key to either true or false.

Support

Currently, only Forge is supported. Feel free to port this over to any other mod loader you like, as long as you clearly state this project as the original one.

The mod has been tested on Minecraft 1.20.1, but should also work on newer versions. It also may or may not work on older versions of Minecraft.

Credits

Fundy - Original idea, textures (probably)
Kaupenjoe - Creating a tutorial series that made this mod possible in the first place