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BareRTC/docs/Configuration.md

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Configuration

On first run it will create the default settings.toml file for you which you may then customize to your liking:

Version = 7
Title = "BareRTC"
Branding = "BareRTC"
WebsiteURL = "http://www.example.com"
CORSHosts = ["http://www.example.com"]
AdminAPIKey = "e635e463-7987-4788-94f3-671a5c2a589f"
PermitNSFW = true
UseXForwardedFor = false
WebSocketReadLimit = 40971520
MaxImageWidth = 1280
PreviewImageWidth = 360

[JWT]
  Enabled = true
  Strict = true
  SecretKey = "05c45344-1c52-430b-beb9-c3f64ff7ed12"
  LandingPageURL = "https://www.example.com/enter-chat"

[TURN]
  URLs = ["stun:stun.l.google.com:19302"]
  Username = ""
  Credential = ""

[[PublicChannels]]
  ID = "lobby"
  Name = "Lobby"
  Icon = "fa fa-gavel"
  WelcomeMessages = ["Welcome to the chat server!", "Please follow the basic rules:\n\n1. Have fun\n2. Be kind"]

[[PublicChannels]]
  ID = "offtopic"
  Name = "Off Topic"
  WelcomeMessages = ["Welcome to the Off Topic channel!"]

[VIP]
  Name = "VIP"
  Branding = "<em>VIP Members</em>"
  Icon = "fa fa-circle"
  MutuallySecret = false

[[MessageFilters]]
  Enabled = true
  PublicChannels = true
  PrivateChannels = true
  KeywordPhrases = [
    "\\bswear words\\b",
    "\\b(swearing|cursing)\\b",
    "suck my ([^\\s]+)"
  ]
  CensorMessage = true
  ForwardMessage = false
  ReportMessage = false
  ChatServerResponse = "Watch your language."

A description of the config directives includes:

Website Settings

  • Version number for the settings file itself. When new features are added, the Version will increment and your settings.toml will be written to disk with sensible defaults filled in for the new options.
  • Title goes in the title bar of the chat page.
  • Branding is the title shown in the corner of the page. HTML is permitted here! You may write an <img> tag to embed an image or use custom markup to color and prettify your logo.
  • WebsiteURL is the base URL of your actual website which is used in a couple of places:
    • The About page will link to your website.
    • If using JWT authentication, avatar and profile URLs may be relative (beginning with a "/") and will append to your website URL to safe space on the JWT token size!
  • CORSHosts names HTTP hosts for Cross Origin Resource Sharing. Usually, this will be the same as your WebsiteURL. This feature is used with the Web API if your front-end page needs to call e.g. the /api/statistics endpoint on BareRTC.
  • AdminAPIKey is a shared secret authentication key for the admin API endpoints.
  • PermitNSFW: for user webcam streams, expressly permit "NSFW" content if the user opts in to mark their feed as such. Setting this will enable pop-up modals regarding NSFW video and give broadcasters an opt-in button, which will warn other users before they click in to watch.
  • UseXForwardedFor: set it to true and (for logging) the user's remote IP will use the X-Real-IP header or the first address in X-Forwarded-For. Set this if you run the app behind a proxy like nginx if you want IPs not to be all localhost.
  • WebSocketReadLimit: sets a size limit for WebSocket messages - it essentially also caps the max upload size for shared images (add a buffer as images will be base64 encoded on upload).
  • MaxImageWidth: for pictures shared in chat the server will resize them down to no larger than this width for the full size view.
  • PreviewImageWidth: to not flood the chat, the image in chat is this wide and users can click it to see the MaxImageWidth in a lightbox modal.

JWT Authentication

Settings for JWT Authentication:

  • Enabled (bool): activate the JWT token authentication feature.
  • Strict (bool): if true, only valid signed JWT tokens may log in. If false, users with no/invalid token can enter their own username without authentication.
  • SecretKey (string): the JWT signing secret shared with your back-end app.

Public Channels

Settings for the default public text channels of your room.

  • ID (string): an arbitrary 'username' for the chat channel, like "lobby".
  • Name (string): the user friendly name for the channel, like "Off Topic"
  • Icon (string, optional): CSS class names for FontAwesome icon for the channel, like "fa fa-message"
  • WelcomeMessages ([]string, optional): messages that are delivered by ChatServer to the user when they connect to the server. Useful to give an introduction to each channel, list its rules, etc.

VIP Status

If using JWT authentication, your website can mark some users as VIPs when sending them over to the chat. The [VIP] section of settings.toml lets you customize the branding and behavior in BareRTC:

  • Name (string): what you call your VIP users, used in mouse-over tooltips.
  • Branding (string): HTML supported, this will appear in webcam sharing modals to "make my cam only visible to fellow VIP users"
  • Icon (string): icon CSS name from Font Awesome.
  • MutuallySecret (bool): if true, the VIP features are hidden and only visible to people who are, themselves, VIP. For example, the icon on the Who List will only show to VIP users but non-VIP will not see the icon.

Message Filters

BareRTC supports optional server-side filtering of messages. These can be applied to monitor public channels, Direct Messages, or both; and provide a variety of options how you want to handle filtered messages.

You can configure multiple sets of filters to treat different sets of keywords with different behaviors.

Options for the [[MessageFilters]] section include:

  • Enabled (bool): whether to enable this filter. The default settings.toml has a filter template example by default, but it's not enabled.
  • PublicChannels (bool): whether to apply the filter to public channel messages.
  • PrivateChannels (bool): whether to apply the filter to private (Direct Message) channels.
  • KeywordPhrases ([]string): a listing of regular expression compatible strings to search the user's message again.
    • Tip: use word-boundary \b metacharacters to detect whole words and reduce false positives from partial word matches.
  • CensorMessage (bool): if true, the matching keywords will be substituted with asterisks in the user's message when it appears in chat.
  • ForwardMessage (bool): whether to repeat the message to the other chatters. If false, the sender will see their own message echo (possibly censored) but other chatters will not get their message at all.
  • ReportMessage (bool): if true, report the message along with the recent context (previous 10 messages in that conversation) to your website's report webhook (if configured).
  • ChatServerResponse (str): optional - you can have ChatServer send a message to the sender (in the same channel) after the filter has been run. An empty string will not send a ChatServer message.