Jean
ba3803e01c
Adds the remaining moderation and listing commands. Auto-kick masks are stored in the event log and enforced on join: a matching user is banned and kicked. Topic and invite are sourced from the ChanServ pseudoclient.
84 lines
4.4 KiB
Rust
84 lines
4.4 KiB
Rust
// Protocol abstraction. The engine only ever sees NetEvent / NetAction; raw
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// server-to-server lines live entirely behind a Protocol impl. Adding another
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// ircd later means one new module, engine untouched.
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pub mod inspircd;
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// Normalized inbound facts, translated from the uplink's raw lines.
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#[derive(Debug, Clone)]
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pub enum NetEvent {
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Registered,
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EndBurst,
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Ping { token: String, from: Option<String> },
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Privmsg { from: String, to: String, text: String },
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UserConnect { uid: String, nick: String, host: String },
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NickChange { uid: String, nick: String },
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// A channel was created or bursted (InspIRCd FJOIN). Subsequent single joins
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// arrive as IJOIN and are not surfaced.
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ChannelCreate { channel: String },
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// A user joined a channel (an FJOIN member or an IJOIN), for auto-op.
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Join { uid: String, channel: String },
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// A channel's modes changed (FMODE), for enforcing mode locks. Our own
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// changes are filtered out by the protocol layer.
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ChannelModeChange { channel: String, modes: String },
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Quit { uid: String },
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// An ircd relaying an IRCv3 account-registration request to us as the authority.
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AccountRequest { reqid: String, origin: String, kind: String, account: String, p2: String, p3: String },
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// An ircd relaying a SASL exchange step to us (the SASL agent). mode = H/S/C/D.
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Sasl { client: String, agent: String, mode: String, data: Vec<String> },
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Unknown { line: String },
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}
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// Normalized outbound intents the engine wants performed on the network.
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#[derive(Debug, Clone)]
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pub enum NetAction {
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Burst,
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EndBurst,
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Pong { token: String, from: Option<String> },
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IntroduceUser { uid: String, nick: String, ident: String, host: String, gecos: String },
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Privmsg { from: String, to: String, text: String },
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Notice { from: String, to: String, text: String },
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AccountResponse { reqid: String, kind: String, account: String, status: String, code: String, message: String },
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// A SASL exchange step back to the ircd, sourced from our SASL agent. mode = C/D.
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Sasl { agent: String, client: String, mode: String, data: Vec<String> },
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// Publish network state to the uplink: target "*" is server-global (e.g. the
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// advertised SASL mechanism list), otherwise a user uid (e.g. their account).
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Metadata { target: String, key: String, value: String },
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// Force a user's nick (SVSNICK), e.g. renaming to a guest nick on logout.
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// The protocol stamps the new nick's timestamp.
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ForceNick { uid: String, nick: String },
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// Set channel modes from services, e.g. +r on a registered channel. `from` is
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// the pseudoclient uid to source it from (empty = the services server). The
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// protocol stamps a timestamp the ircd will accept.
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ChannelMode { from: String, channel: String, modes: String },
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// Kick a user from a channel, sourced from pseudoclient `from`.
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Kick { from: String, channel: String, uid: String, reason: String },
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// Set a channel's topic, sourced from pseudoclient `from`.
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Topic { from: String, channel: String, topic: String },
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// Invite a user to a channel, sourced from pseudoclient `from`.
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Invite { from: String, uid: String, channel: String },
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Raw(String),
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// Internal only, never serialized to the wire: a registration whose password
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// still needs its (expensive) key derivation. The link layer runs the
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// derivation off-thread, then calls Engine::complete_register.
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DeferRegister { account: String, password: String, email: Option<String>, reply: RegReply },
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}
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// How to answer a registration once its credentials have been derived.
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#[derive(Debug, Clone)]
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pub enum RegReply {
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// IRCv3 account-registration relay: answer the requesting ircd.
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Relay { reqid: String, kind: String },
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// NickServ REGISTER: NOTICE the requesting user, logging them in on success.
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NickServ { agent: String, uid: String, nick: String },
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}
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pub trait Protocol: Send {
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/// Lines to send immediately on connect (auth / capability negotiation).
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fn handshake(&mut self) -> Vec<String>;
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/// One raw inbound line -> zero or more normalized events.
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fn parse(&mut self, line: &str) -> Vec<NetEvent>;
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/// One normalized action -> the raw line(s) that realise it.
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fn serialize(&mut self, action: &NetAction) -> Vec<String>;
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/// Our own server id, used as the source prefix for server-sourced lines.
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fn sid(&self) -> &str;
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}
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