346 lines
No EOL
12 KiB
Rust
346 lines
No EOL
12 KiB
Rust
use std::{env, process::exit};
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use schmfy::schmfy;
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use rand::Rng;
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use matrix_sdk::{
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config::SyncSettings,
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room::Room,
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ruma::events::{room::{
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member::StrippedRoomMemberEvent,
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message::{MessageType, OriginalSyncRoomMessageEvent, RoomMessageEventContent, ForwardThread},
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}, relation::Annotation, reaction::ReactionEventContent},
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Client,
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};
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use tokio::time::{sleep, Duration};
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#[tokio::main]
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async fn main() -> anyhow::Result<()> {
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tracing_subscriber::fmt::init();
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// parse the command line for homeserver, username and password
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let (homeserver_url, username, password) =
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match (env::args().nth(1), env::args().nth(2), env::args().nth(3)) {
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(Some(a), Some(b), Some(c)) => (a, b, c),
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_ => {
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eprintln!(
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"Usage: {} <homeserver_url> <username> <password>",
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env::args().next().unwrap()
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);
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// exist if missing
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exit(1)
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}
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};
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// our actual runner
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login_and_sync(homeserver_url, &username, &password).await?;
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Ok(())
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}
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// The core sync loop we have running.
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async fn login_and_sync(
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homeserver_url: String,
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username: &str,
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password: &str,
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) -> anyhow::Result<()> {
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// First, we set up the client.
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// Note that when encryption is enabled, you should use a persistent store to be
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// able to restore the session with a working encryption setup.
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// See the `persist_session` example.
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let client = Client::builder()
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// We use the convenient client builder to set our custom homeserver URL on it.
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.homeserver_url(homeserver_url)
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.build()
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.await?;
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// Then let's log that client in
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client
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.matrix_auth()
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.login_username(username, password)
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.initial_device_display_name("getting started bot")
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.await?;
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// It worked!
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println!("logged in as {username}");
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// Now, we want our client to react to invites. Invites sent us stripped member
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// state events so we want to react to them. We add the event handler before
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// the sync, so this happens also for older messages. All rooms we've
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// already entered won't have stripped states anymore and thus won't fire
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client.add_event_handler(on_stripped_state_member);
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// An initial sync to set up state and so our bot doesn't respond to old
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// messages. If the `StateStore` finds saved state in the location given the
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// initial sync will be skipped in favor of loading state from the store
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let sync_token = client.sync_once(SyncSettings::default()).await.unwrap().next_batch;
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// now that we've synced, let's attach a handler for incoming room messages, so
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// we can react on it
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client.add_event_handler(on_room_message);
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// since we called `sync_once` before we entered our sync loop we must pass
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// that sync token to `sync`
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let settings = SyncSettings::default().token(sync_token);
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// this keeps state from the server streaming in to the bot via the
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// EventHandler trait
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client.sync(settings).await?; // this essentially loops until we kill the bot
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Ok(())
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}
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// Whenever we see a new stripped room member event, we've asked our client to
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// call this function. So what exactly are we doing then?
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async fn on_stripped_state_member(
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room_member: StrippedRoomMemberEvent,
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client: Client,
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room: Room,
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) {
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if room_member.state_key != client.user_id().unwrap() {
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// the invite we've seen isn't for us, but for someone else. ignore
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return;
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}
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// looks like the room is an invited room, let's attempt to join then
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if let Room::Invited(room) = room {
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// The event handlers are called before the next sync begins, but
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// methods that change the state of a room (joining, leaving a room)
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// wait for the sync to return the new room state so we need to spawn
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// a new task for them.
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tokio::spawn(async move {
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println!("Autojoining room {}", room.room_id());
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let mut delay = 2;
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while let Err(err) = room.accept_invitation().await {
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// retry autojoin due to synapse sending invites, before the
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// invited user can join for more information see
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// https://github.com/matrix-org/synapse/issues/4345
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eprintln!("Failed to join room {} ({err:?}), retrying in {delay}s", room.room_id());
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sleep(Duration::from_secs(delay)).await;
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delay *= 2;
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if delay > 3600 {
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eprintln!("Can't join room {} ({err:?})", room.room_id());
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break;
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}
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}
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println!("Successfully joined room {}", room.room_id());
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});
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}
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}
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fn schmfy_strip_reply(txt: &str) -> String {
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txt.split("\n")
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.filter(|line| line.starts_with("> "))
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.map(|line| {
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let shortened = line.split(">")
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.enumerate()
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.filter(|(i,_)| *i > 1)
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.map(|(_,txt)| txt)
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.collect::<Vec<&str>>()
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.join(">");
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schmfy(shortened.as_str())
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})
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.collect::<Vec<String>>()
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.join("\n")
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}
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// This fn is called whenever we see a new room message event. You notice that
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// the difference between this and the other function that we've given to the
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// handler lies only in their input parameters. However, that is enough for the
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// rust-sdk to figure out which one to call one and only do so, when
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// the parameters are available.
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async fn on_room_message(event: OriginalSyncRoomMessageEvent, room: Room) {
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// First, we need to unpack the message: We only want messages from rooms we are
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// still in and that are regular text messages - ignoring everything else.
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let Room::Joined(room) = room else { return };
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let MessageType::Text(text_content) = event.clone().content.msgtype else { return };
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// full event for e.g. replies
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let full_event = event.clone().into_full_event(room.room_id().to_owned());
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// here comes the actual "logic": when the bot see's a `!party` in the message,
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// it responds
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if text_content.body.contains("!party") {
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let content = RoomMessageEventContent::text_plain("🎉🎊🥳 let's PARTY!! 🥳🎊🎉");
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println!("sending");
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room.send(content, None).await.unwrap();
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println!("message sent");
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}
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if text_content.body.contains("!schmfy") && is_allowed_user(event.sender.as_str()) {
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match event.content.relates_to {
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Some(_) => {
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let plain = schmfy_strip_reply(text_content.body.as_str());
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let formatted = match text_content.formatted {
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Some(formatted) => {
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schmfy_strip_reply(formatted.body.as_str())
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},
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None => {
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String::from("")
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}
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};
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let content = RoomMessageEventContent::text_html(plain, formatted)
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.make_reply_to(&full_event, ForwardThread::Yes);
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room.send(content, None).await.unwrap();
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},
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None => {
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// react on invalid message
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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"WRONG".to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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}
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}
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if is_allowed_room(room.name()) {
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if text_content.body.to_lowercase().contains("timo") {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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"TIMO".to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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if text_content.body.to_lowercase().contains("jan") {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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"JAN".to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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if text_content.body.to_lowercase().contains("fabian") {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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"FABIAN".to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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if text_content.body.to_lowercase().contains("second") || text_content.body.to_lowercase().contains("dennis") {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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"SECOND".to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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if event.sender.as_str().contains("conduit.rs") {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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"⚡️".to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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if text_content.body.contains("\\") {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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text_content.body.replace("\\", "λ").replace("!lambda ","").to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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if text_content.body.contains("!lambda") {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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"FuPro".to_owned()
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)
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);
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room.send(reaction, None).await.unwrap();
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}
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}
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if is_allowed_room(room.name()) && is_allowed_user(event.sender.as_str()){
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if text_content.body.split_whitespace().count() < 2 {
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let reaction = ReactionEventContent::new(
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Annotation::new(
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event.event_id.to_owned(),
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schmfy(text_content.body.to_lowercase().as_str())
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)
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);
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room.send(reaction, None).await.unwrap();
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} else { /*
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let msg = text_content.body
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.split_terminator("\n")
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.map(|line| {
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line
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.split_whitespace()
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.map(|x| {
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if {let mut rng = rand::thread_rng(); rng.gen_range(0..200)} <= x.len()^2 {
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schmfy(x.to_lowercase().as_str())
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} else {
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x.to_lowercase()
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}
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})
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.collect::<Vec<String>>()
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.join(" ")
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})
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.collect::<Vec<String>>()
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.join("\n");
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let content = RoomMessageEventContent::text_plain(msg)
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.make_reply_to(&full_event, ForwardThread::Yes);
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room.send(content, None).await.unwrap(); */
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}
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}
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}
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fn is_allowed_user(user: &str) -> bool {
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return !(
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user.contains("bot_")
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)
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}
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fn is_allowed_room(name: Option<String>) -> bool {
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let room_name = match name {
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Some(name) => {
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name
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},
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_ => {
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String::from("")
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}
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};
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if room_name.to_lowercase().contains("spam")
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|| room_name.to_lowercase().contains("bot") {
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return true
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}
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false
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} |