Tip of the day: What is shown in WHOIS can be configured in detail via set::whois-details.
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Message tags
Message tags communicate additional details in an IRC protocol message, such as the services account a user is using. End-users typically do NOT see the actual raw message tags in their client, but their IRC client can use them to display additional useful information (eg: registered account status, history playback, etc) or make better decisions (eg: if the user is trusted, should be auto-banned, etc).
Technical information
A JOIN looks like this in regular IRC protocol:
:nick!~user@localhost JOIN #test
If a client has enabled message tags and other capabilities it may look like this instead:
@time=2019-12-31T18:30:50.123Z;msgid=tjtArKOTqfcdY0FmaUGaHI;account=SomeAccount :nick!~user@localhost JOIN #test
Clients need to indicate support for receiving message tags, either by a specific CAP (such as CAP REQ account-tag) or by indicating support in general for message tags (CAP REQ message-tags).
The general rules on message tags parsing are described in https://ircv3.net/specs/extensions/message-tags.html
Supported message tags
UnrealIRCd supports the following message tags:
| Tag name (specification) | Module (source) | Requirements | Description and example |
|---|---|---|---|
| account | account-tag | CAP REQ account-tag
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Shows the account name of users who identified to Services.
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| batch | batch | CAP REQ batch
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Allows grouping of multiple protocol messages into a batch. Used by labeled-response, history playback, etc. |
| bot | bot-tag | CAP REQ message-tags
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The bot tag is attached to messages/events from users that have user mode +B (users that are identified as bots). |
| label | labeled-response | CAP REQ label
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Allows IRC clients to easily correlate requests and responses
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| unrealircd.org/json-log | json-log | CAP REQ unrealircd.org/json-log+IRCOp privileges |
In server notices you see the underlying JSON data. See JSON logging. |
| msgid | message-ids | CAP REQ message-tags
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Attaches an unique (network-wide) message id to messages.
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| time | server-time | CAP REQ server-time
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Attaches a label with the server date and time on which the message was sent.
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| unrealircd.org/userhost | userhost-tag | CAP REQ message-tags+IRCOp privileges |
The real uncloaked user@host - shown to IRC Operators only.
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| unrealircd.org/userip | userip-tag | CAP REQ message-tags+IRCOp privileges |
The real user@ip - shown to IRC Operators only.
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| unrealircd.org/geoip | geoip-tag | CAP REQ message-tags+IRCOp privileges |
The country code - shown to IRC Operators only.
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| +typing | typing-indicator | CAP REQ message-tags
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Client tag to show that the user is typing a message. Supported by f.e. IRCCloud and KiwiIRC nextclient.
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| +draft/reply | reply-tag | CAP REQ message-tags
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This tag shows to which message a user is replying to. Often used by bots to refer to the !trigger.
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Changelog
Changes between UnrealIRCd versions (in chronological order):
- label: In UnrealIRCd 5.0.0, 5.0.1 and 5.0.2 the tag was
draft/label, and the capability wasdraft/labeled-response. This because the specification was still in draft at that time. Starting with UnrealIRCd 5.0.3 the draft/ prefix was dropped. - unrealircd.org/userhost: added in UnrealIRCd 5.0.3
- unrealircd.org/userip: added in UnrealIRCd 5.0.3
- +typing: added in UnrealIRCd 5.0.5
- draft/bot: added in UnrealIRCd 5.2.0
- +draft/reply: added in UnrealIRCd 5.2.0
- unrealircd.org/json-log: added in UnrealIRCd 6.0.0
- unrealircd.org/geoip: added in UnrealIRCd 6.0.4
- bot: added in UnrealIRCd 6.0.4.2 (in addition to existing draft/bot, which will be removed at a later point)
Support for other message tags
In UnrealIRCd every message tag, including client message tags, need to have a message tag handler, usually added via a module. See FAQ: How can I allow other message tags?.