Initial Commit - matrix-google-calendar - Bot to manage meetings, pushrules, matrix status as well as showing daily agenda and allowing to shedule stuff.

commit 3891b5958f5d283bd606f2a4fbd257946b7c08b4
Author: MTRNord <mtrnord1@gmail.com>
Date:   Thu,  9 Sep 2021 19:48:13 +0200

Initial Commit

Diffstat:
A .gitignore  | 6 ++++++
A Cargo.lock  | 3255 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A Cargo.toml  | 36 ++++++++++++++++++++++++++++++++++++
A TODOs.md  | 17 +++++++++++++++++
A config-example.yml  | 6 ++++++
A src/commands/calendars.rs  | 37 +++++++++++++++++++++++++++++++++++++
A src/commands/events.rs  | 23 +++++++++++++++++++++++
A src/commands/mod.rs  | 23 +++++++++++++++++++++++
A src/config.rs  | 12 ++++++++++++
A src/errors.rs  | 14 ++++++++++++++
A src/google_calendar/mod.rs  | 316 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A src/main.rs  | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A src/matrix/mod.rs  | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A src/matrix/sync.rs  | 48 ++++++++++++++++++++++++++++++++++++++++++++++++

14 files changed, 3933 insertions(+), 0 deletions(-)
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+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.76",
+ "synstructure",
+]
diff --git a/Cargo.toml b/Cargo.toml
@@ -0,0 +1,35 @@
+cargo-features = ["edition2021"]
+[package]
+name = "matrix-google-calendar"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies.matrix-sdk]
+version = "0.3"
+
+[dependencies]
+once_cell = "1.3.1"
+url = "2.2.2"
+
+# Matrix
+#mrsbfh = {git = "https://github.com/MTRNord/mrsbfh"}
+mrsbfh = {path = "../mrsbfh/mrsbfh"}
+serde = "1.0"
+tracing = "0.1"
+tracing-subscriber = "0.2"
+tracing-futures = "0.2.4"
+tokio = { version = "1", features = ["full"] }
+clap = "=3.0.0-beta.4"
+clap_derive = "=3.0.0-beta.4"
+async-trait = "0.1.41"
+thiserror = "1.0"
+regex = "1.4.3"
+
+# Google calendar
+oauth2 = "4.1.0"
+chrono = "0.4.19"
+axum = "0.2.3"
+reqwest = {version="0.11.4", features=["json"]}
+serde_json = "1.0.67"
+\ No newline at end of file
diff --git a/TODOs.md b/TODOs.md
@@ -0,0 +1,16 @@
+# TODOs
+
+- [ ] Get secrets from json
+- [ ] Remove auth link after success
+- [ ] Use DMs
+- [ ] Auto retry Command after login
+- [ ] Refresh Tokens if required
+- [ ] Safe tokens to disk
+- [ ] Cleanup auth in progress
+- [ ] Prevent multiple auth in progress unless forced
+
+## Commands
+
+- [ ] List todays events
+- [ ] Remind before meeting
+- [ ] Add Meeting
+\ No newline at end of file
diff --git a/config-example.yml b/config-example.yml
@@ -0,0 +1,5 @@
+homeserver_url: ""
+mxid: ""
+password: ""
+store_path: ./store
+session_path: ./store/session
+\ No newline at end of file
diff --git a/src/commands/calendars.rs b/src/commands/calendars.rs
@@ -0,0 +1,37 @@
+use crate::config::Config;
+use crate::errors::Error;
+use crate::google_calendar::list_calendars;
+use matrix_sdk::events::room::message::MessageEventContent;
+use matrix_sdk::events::AnyMessageEventContent;
+use matrix_sdk::identifiers::RoomId;
+use matrix_sdk::Client;
+use mrsbfh::commands::command;
+use tracing::info;
+
+#[command(help = "`!calendars` - Displays all calendars you have.")]
+pub async fn calendars<'a>(
+    _client: Client,
+    tx: mrsbfh::Sender,
+    _config: Config<'a>,
+    sender: String,
+    _room_id: RoomId,
+    mut _args: Vec<&str>,
+) -> Result<(), Error>
+where
+    Config<'a>: mrsbfh::config::Loader + Clone,
+{
+    // Required in case there are new things to request permissions for
+    super::do_login(sender.clone().into(), tx.clone()).await?;
+
+    let calendars = list_calendars(sender.clone()).await?;
+    info!("{:#?}", calendars);
+    for calendar in calendars.items {
+        let content =
+            AnyMessageEventContent::RoomMessage(MessageEventContent::notice_plain(format!(
+                "ID: {}, Summary: {}, Description: {:?}",
+                calendar.id, calendar.summary, calendar.description
+            )));
+        tx.send(content).await?;
+    }
+    Ok(())
+}
diff --git a/src/commands/events.rs b/src/commands/events.rs
@@ -0,0 +1,23 @@
+use crate::config::Config;
+use crate::errors::Error;
+use matrix_sdk::identifiers::RoomId;
+use matrix_sdk::Client;
+use mrsbfh::commands::command;
+
+#[command(help = "`!events` - Displays all events you have.")]
+pub async fn events<'a>(
+    _client: Client,
+    tx: mrsbfh::Sender,
+    _config: Config<'a>,
+    sender: String,
+    _room_id: RoomId,
+    mut _args: Vec<&str>,
+) -> Result<(), Error>
+where
+    Config<'a>: mrsbfh::config::Loader + Clone,
+{
+    // Required in case there are new things to request permissions for
+    super::do_login(sender.clone().into(), tx).await?;
+
+    Ok(())
+}
diff --git a/src/commands/mod.rs b/src/commands/mod.rs
@@ -0,0 +1,23 @@
+use std::borrow::Cow;
+
+use crate::config::Config;
+use crate::errors::Error;
+use crate::google_calendar::login;
+use mrsbfh::commands::command_generate;
+
+pub mod calendars;
+pub mod events;
+
+#[command_generate(
+    bot_name = "Calendar",
+    description = "This bot helps connecting you to the calendar"
+)]
+enum Commands {
+    Calendars,
+    Events,
+}
+
+async fn do_login(sender: Cow<'_, str>, tx: mrsbfh::Sender) -> Result<(), Error> {
+    login(sender.to_string(), tx).await?;
+    Ok(())
+}
diff --git a/src/config.rs b/src/config.rs
@@ -0,0 +1,12 @@
+use mrsbfh::config::ConfigDerive;
+use serde::{Deserialize, Serialize};
+use std::borrow::Cow;
+
+#[derive(Debug, PartialEq, Serialize, Deserialize, Clone, ConfigDerive)]
+pub struct Config<'a> {
+    pub homeserver_url: Cow<'a, str>,
+    pub mxid: Cow<'a, str>,
+    pub password: Cow<'a, str>,
+    pub store_path: Cow<'a, str>,
+    pub session_path: Cow<'a, str>,
+}
diff --git a/src/errors.rs b/src/errors.rs
@@ -0,0 +1,14 @@
+use thiserror::Error as ThisError;
+
+#[allow(clippy::enum_variant_names)]
+#[derive(ThisError, Debug)]
+pub enum Error {
+    #[error(transparent)]
+    UrlParseError(#[from] url::ParseError),
+    #[error(transparent)]
+    ReqwestError(#[from] reqwest::Error),
+    #[error(transparent)]
+    TokioMPSCSendError(
+        #[from] tokio::sync::mpsc::error::SendError<matrix_sdk::events::AnyMessageEventContent>,
+    ),
+}
diff --git a/src/google_calendar/mod.rs b/src/google_calendar/mod.rs
@@ -0,0 +1,316 @@
+use std::{
+    fs::{self, OpenOptions},
+    net::SocketAddr,
+    path::{Path, PathBuf},
+};
+
+use crate::errors::Error;
+use axum::{extract, handler::get, http::StatusCode, Router};
+use matrix_sdk::events::{room::message::MessageEventContent, AnyMessageEventContent};
+use oauth2::{
+    basic::{BasicClient, BasicTokenResponse},
+    reqwest::async_http_client,
+    AuthUrl, AuthorizationCode, ClientId, ClientSecret, CsrfToken, PkceCodeChallenge, RedirectUrl,
+    RevocationUrl, Scope, TokenResponse, TokenUrl,
+};
+use reqwest::{header, ClientBuilder};
+use serde::Deserialize;
+use tracing::info;
+
+#[derive(Debug, Clone, Deserialize)]
+struct ClientSecrets {
+    web: ClientSecretsInner,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+struct ClientSecretsInner {
+    client_id: String,
+    project_id: String,
+    auth_uri: String,
+    token_uri: String,
+    auth_provider_x509_cert_url: String,
+    client_secret: String,
+    redirect_uris: Vec<String>,
+}
+
+impl ClientSecrets {
+    fn load_clientsecrets() -> Option<Self> {
+        let path: PathBuf = "clientsecret.json".into();
+        let file = std::fs::File::open(path);
+        match file {
+            Ok(file) => {
+                let clientsecrets: Result<Self, serde_json::Error> = serde_json::from_reader(&file);
+                match clientsecrets {
+                    Ok(clientsecrets) => Some(clientsecrets),
+                    Err(_) => None,
+                }
+            }
+            Err(_) => None,
+        }
+    }
+}
+
+trait LoadTokenResponse {
+    fn get_from_file(mxid: String) -> Option<BasicTokenResponse>;
+    fn save_to_file(&self, mxid: String);
+}
+
+impl LoadTokenResponse for BasicTokenResponse {
+    fn get_from_file(mxid: String) -> Option<BasicTokenResponse> {
+        let path: PathBuf = format!("./tokens/{}.json", mxid).into();
+        let file = std::fs::File::open(path);
+        match file {
+            Ok(file) => {
+                let clientsecrets: Result<Self, serde_json::Error> = serde_json::from_reader(&file);
+                match clientsecrets {
+                    Ok(clientsecrets) => Some(clientsecrets),
+                    Err(_) => None,
+                }
+            }
+            Err(_) => None,
+        }
+    }
+
+    fn save_to_file(&self, mxid: String) {
+        use std::io::Write;
+
+        let mut path = Path::new("./tokens/").to_path_buf();
+        if !path.exists() {
+            fs::create_dir_all(&path).unwrap();
+        }
+        path.push(format!("{}.json", mxid));
+        let mut file = OpenOptions::new()
+            .write(true)
+            .create(true)
+            .open(path)
+            .unwrap();
+        let j = serde_json::to_string(self).unwrap();
+        file.write_all(j.as_bytes()).unwrap();
+    }
+}
+
+pub async fn login(mxid: String, tx: mrsbfh::Sender) -> Result<(), Error> {
+    let loaded = BasicTokenResponse::get_from_file(mxid.clone());
+    if let Some(token) = loaded {
+        crate::GOOGLE_SESSIONS
+            .write()
+            .await
+            .insert(mxid.clone(), token);
+    };
+
+    let reader = crate::GOOGLE_SESSIONS.read().await;
+    if let Some(token) = reader.get(&mxid) {
+        if let Some(expiry) = token.expires_in() {
+            if expiry.as_secs() != 0 {
+                return Ok(());
+            } else {
+                // TODO do refresh flow
+                let _lalalala = "";
+                return Ok(());
+            }
+        }
+    }
+
+    // Create an OAuth2 client by specifying the client ID, client secret, authorization URL and
+    // token URL.
+    if let Some(secrets) = ClientSecrets::load_clientsecrets() {
+        let redirect_uri = if let Some(uri) = secrets.web.redirect_uris.first() {
+            uri.clone()
+        } else {
+            String::from("http://localhost")
+        };
+        let client = BasicClient::new(
+            ClientId::new(secrets.web.client_id.clone()),
+            Some(ClientSecret::new(secrets.web.client_secret.clone())),
+            AuthUrl::new(secrets.web.auth_uri.clone())?,
+            Some(TokenUrl::new(secrets.web.token_uri.clone())?),
+        )
+        // Google supports OAuth 2.0 Token Revocation (RFC-7009)
+        .set_revocation_uri(
+            RevocationUrl::new("https://oauth2.googleapis.com/revoke".to_string())
+                .expect("Invalid revocation endpoint URL"),
+        )
+        // Set the URL the user will be redirected to after the authorization process.
+        .set_redirect_uri(RedirectUrl::new(redirect_uri)?);
+
+        // Generate a PKCE challenge.
+        let (pkce_challenge, pkce_verifier) = PkceCodeChallenge::new_random_sha256();
+
+        // Generate the full authorization URL.
+        let (auth_url, csrf_token) = client
+            .authorize_url(CsrfToken::new_random)
+            // Set the desired scopes.
+            .add_scope(Scope::new(
+                "https://www.googleapis.com/auth/calendar.readonly".to_string(),
+            ))
+            .add_scope(Scope::new(
+                "https://www.googleapis.com/auth/calendar".to_string(),
+            ))
+            .add_scope(Scope::new(
+                "https://www.googleapis.com/auth/calendar.events".to_string(),
+            ))
+            .add_scope(Scope::new(
+                "https://www.googleapis.com/auth/calendar.events.readonly".to_string(),
+            ))
+            .add_scope(Scope::new(
+                "https://www.googleapis.com/auth/calendar.settings.readonly".to_string(),
+            ))
+            // Set the PKCE code challenge.
+            .set_pkce_challenge(pkce_challenge)
+            .url();
+
+        {
+            crate::STATE_TO_MXID
+                .write()
+                .await
+                .insert(csrf_token.secret().clone(), mxid.clone());
+            crate::LOGIN_SESSIONS_VERIFIER
+                .write()
+                .await
+                .insert(mxid, (client, pkce_verifier, csrf_token));
+        };
+
+        let content =
+            AnyMessageEventContent::RoomMessage(MessageEventContent::notice_plain(format!(
+                "Please login using this URL: {}\n\nAfterwards rerun the command!",
+                auth_url
+            )));
+        tx.send(content).await?;
+    }
+
+    Ok(())
+}
+
+pub async fn start_webserver() {
+    let app = Router::new().route("/", get(root));
+    let addr = SocketAddr::from(([127, 0, 0, 1], 55555));
+    tracing::debug!("listening on {}", addr);
+    axum::Server::bind(&addr)
+        .serve(app.into_make_service())
+        .await
+        .unwrap();
+}
+
+async fn root(query_params: extract::Query<GoogleResponse>) -> (StatusCode, &'static str) {
+    let mut writer = crate::LOGIN_SESSIONS_VERIFIER.write().await;
+    let reader = crate::STATE_TO_MXID.read().await;
+    let mxid = reader.get(&query_params.state.clone()).unwrap();
+    if let Some((client, pkce_verifier, crsftoken)) = writer.remove(mxid) {
+        let request_state = CsrfToken::new(query_params.state.clone());
+        let auth_code = AuthorizationCode::new(query_params.code.clone());
+
+        if request_state.secret() == crsftoken.secret() {
+            let token_result = client
+                .exchange_code(auth_code)
+                // Set the PKCE code verifier.
+                .set_pkce_verifier(pkce_verifier)
+                .request_async(async_http_client)
+                .await;
+            if let Ok(token) = token_result {
+                info!("{}", token.access_token().secret());
+                let token: BasicTokenResponse = token;
+                token.save_to_file(mxid.clone());
+                crate::GOOGLE_SESSIONS
+                    .write()
+                    .await
+                    .insert(mxid.clone(), token);
+                return (StatusCode::OK, "Success");
+            }
+        }
+    }
+
+    (StatusCode::INTERNAL_SERVER_ERROR, "Unable to authenticate")
+}
+
+#[derive(Deserialize)]
+struct GoogleResponse {
+    code: String,
+    state: String,
+}
+
+pub async fn list_calendars(mxid: String) -> Result<Calendars, crate::errors::Error> {
+    let reader = crate::GOOGLE_SESSIONS.read().await;
+    let auth_token = reader.get(&mxid).unwrap();
+    let access_token = auth_token.access_token();
+
+    info!("Got token");
+
+    let mut headers = header::HeaderMap::new();
+    let auth_token_val =
+        header::HeaderValue::from_str(&format!("Bearer {}", access_token.secret())).unwrap();
+    headers.insert("Authorization", auth_token_val);
+    let client = ClientBuilder::new()
+        .default_headers(headers)
+        .build()
+        .unwrap();
+
+    info!("Got client");
+
+    let res = client
+        .get("https://www.googleapis.com/calendar/v3/users/me/calendarList")
+        .send()
+        .await?
+        .json::<Calendars>()
+        .await?;
+
+    info!("Got response");
+    Ok(res)
+}
+
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct Calendars {
+    pub kind: String,
+    pub etag: String,
+    pub next_page_token: Option<String>,
+    pub next_sync_token: Option<String>,
+    pub items: Vec<CalendarListEntry>,
+}
+
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct CalendarListEntry {
+    pub kind: String,
+    pub etag: String,
+    pub id: String,
+    pub summary: String,
+    pub description: Option<String>,
+    pub location: Option<String>,
+    pub time_zone: Option<String>,
+    pub summary_override: Option<String>,
+    pub color_id: Option<String>,
+    pub background_color: Option<String>,
+    pub foreground_color: Option<String>,
+    pub hidden: Option<bool>,
+    pub selected: Option<bool>,
+    pub access_role: String,
+    pub primary: Option<bool>,
+    pub deleted: Option<bool>,
+    pub default_reminders: Vec<CalendarDefaultReminders>,
+    pub notification_settings: Option<CalendarNotificationSettings>,
+    pub conference_properties: Option<CalendarConferenceParties>,
+}
+
+#[derive(Deserialize, Debug, Clone)]
+pub struct CalendarDefaultReminders {
+    pub method: String,
+    pub minutes: i64,
+}
+
+#[derive(Deserialize, Debug, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct CalendarConferenceParties {
+    pub allowed_conference_solution_types: Vec<String>,
+}
+
+#[derive(Deserialize, Debug, Clone)]
+pub struct CalendarNotificationSettings {
+    pub notifications: Vec<CalendarNotifications>,
+}
+
+#[derive(Deserialize, Debug, Clone)]
+pub struct CalendarNotifications {
+    #[serde(rename = "type")]
+    pub notifications_type: String,
+    pub method: String,
+}
diff --git a/src/main.rs b/src/main.rs
@@ -0,0 +1,58 @@
+use crate::{config::Config, google_calendar::start_webserver};
+use clap::Clap;
+use matrix_sdk::Client;
+use mrsbfh::config::Loader;
+use oauth2::{
+    basic::{BasicClient, BasicTokenResponse},
+    CsrfToken, PkceCodeVerifier,
+};
+use once_cell::sync::{Lazy, OnceCell};
+use std::{collections::BTreeMap, error::Error};
+use tracing::*;
+
+pub mod commands;
+mod config;
+mod errors;
+mod google_calendar;
+mod matrix;
+
+#[derive(Clap)]
+#[clap(version = "0.1.0", author = "MTRNord")]
+struct Opts {
+    #[clap(short, long, default_value = "config.yml")]
+    config: String,
+}
+
+pub static MATRIX_CLIENT: OnceCell<Client> = OnceCell::new();
+pub static LOGIN_SESSIONS_VERIFIER: Lazy<
+    tokio::sync::RwLock<BTreeMap<String, (BasicClient, PkceCodeVerifier, CsrfToken)>>,
+> = Lazy::new(|| tokio::sync::RwLock::new(BTreeMap::new()));
+pub static GOOGLE_SESSIONS: Lazy<tokio::sync::RwLock<BTreeMap<String, BasicTokenResponse>>> =
+    Lazy::new(|| tokio::sync::RwLock::new(BTreeMap::new()));
+pub static STATE_TO_MXID: Lazy<tokio::sync::RwLock<BTreeMap<String, String>>> =
+    Lazy::new(|| tokio::sync::RwLock::new(BTreeMap::new()));
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn Error>> {
+    tracing_subscriber::fmt()
+        .pretty()
+        .with_thread_names(true)
+        .with_max_level(tracing::Level::INFO)
+        .init();
+
+    info!("Starting...");
+    let opts: Opts = Opts::parse();
+
+    info!("Loading Configs...");
+    let config = Config::load(opts.config)?;
+    info!("Setting up Client...");
+    let client = matrix::setup(config.clone()).await?;
+
+    tokio::spawn(async move {
+        start_webserver().await;
+    });
+    info!("Starting Sync...");
+    matrix::start_sync(client, config).await?;
+
+    Ok(())
+}
diff --git a/src/matrix/mod.rs b/src/matrix/mod.rs
@@ -0,0 +1,82 @@
+use crate::config::Config;
+use matrix_sdk::{Client, ClientConfig, Session as SDKSession, SyncSettings};
+use mrsbfh::url::Url;
+use mrsbfh::utils::Session;
+use std::convert::TryFrom;
+use std::error::Error;
+use std::fs;
+use std::path::Path;
+use tracing::*;
+
+mod sync;
+
+pub async fn setup(config: Config<'_>) -> Result<Client, Box<dyn Error>> {
+    info!("Beginning Matrix Setup");
+    let store_path_string = config.store_path.to_string();
+    let store_path = Path::new(&store_path_string);
+    if !store_path.exists() {
+        fs::create_dir_all(store_path)?;
+    }
+    let client_config = ClientConfig::new().store_path(fs::canonicalize(&store_path)?);
+
+    let homeserver_url =
+        Url::parse(&config.homeserver_url).expect("Couldn't parse the homeserver URL");
+
+    let client = Client::new_with_config(homeserver_url, client_config).unwrap();
+
+    if let Some(session) = Session::load(config.session_path.parse().unwrap()) {
+        info!("Starting relogin");
+
+        let session = SDKSession {
+            access_token: session.access_token,
+            device_id: session.device_id.into(),
+            user_id: matrix_sdk::identifiers::UserId::try_from(session.user_id.as_str()).unwrap(),
+        };
+
+        if let Err(e) = client.restore_login(session).await {
+            error!("{}", e);
+        };
+        info!("Finished relogin");
+    } else {
+        info!("Starting login");
+        let login_response = client
+            .login(
+                &config.mxid,
+                &config.password,
+                None,
+                Some(&"matrix-calendar-bot".to_string()),
+            )
+            .await;
+        match login_response {
+            Ok(login_response) => {
+                info!("Session: {:#?}", login_response);
+                let session = Session {
+                    homeserver: client.homeserver().await.to_string(),
+                    user_id: login_response.user_id.to_string(),
+                    access_token: login_response.access_token,
+                    device_id: login_response.device_id.into(),
+                };
+                session.save(config.session_path.parse().unwrap())?;
+            }
+            Err(e) => error!("Error while login: {}", e),
+        }
+        info!("Finished login");
+    }
+
+    info!("logged in as {}", config.mxid);
+    if crate::MATRIX_CLIENT.set(client.clone()).is_err() {
+        error!("Failed to globally set matrix client");
+    };
+
+    Ok(client)
+}
+
+pub async fn start_sync(client: Client, config: Config<'static>) -> Result<(), Box<dyn Error>> {
+    client
+        .set_event_handler(Box::new(sync::Bot::new(client.clone(), config.clone())))
+        .await;
+
+    info!("Starting Sync...");
+    client.sync(SyncSettings::default()).await;
+    Ok(())
+}
diff --git a/src/matrix/sync.rs b/src/matrix/sync.rs
@@ -0,0 +1,48 @@
+use crate::commands::match_command;
+use crate::config::Config;
+use matrix_sdk::async_trait;
+use matrix_sdk::{
+    events::{
+        room::member::MemberEventContent, room::message::MessageEventContent, StrippedStateEvent,
+        SyncMessageEvent,
+    },
+    room::Room,
+    Client, EventHandler,
+};
+use tokio::sync::mpsc;
+use tracing::*;
+
+#[derive(Debug, Clone)]
+pub struct Bot {
+    client: Client,
+    config: Config<'static>,
+}
+
+impl Bot {
+    pub fn new(client: Client, config: Config<'static>) -> Self {
+        Self {
+            client,
+            config: config.clone(),
+        }
+    }
+}
+
+#[mrsbfh::commands::commands]
+#[mrsbfh::utils::autojoin]
+#[async_trait]
+impl EventHandler for Bot {
+    async fn on_room_message(&self, room: Room, event: &SyncMessageEvent<MessageEventContent>) {
+        if event.sender == self.client.user_id().await.unwrap() {
+            return;
+        }
+    }
+
+    async fn on_stripped_state_member(
+        &self,
+        room: Room,
+        room_member: &StrippedStateEvent<MemberEventContent>,
+        _: Option<MemberEventContent>,
+    ) {
+        // No-Op
+    }
+}

	matrix-google-calendar Bot to manage meetings, pushrules, matrix status as well as showing daily agenda and allowing to shedule stuff.
	git clone git://archive.git.mtrnord.blog/MTRNord/matrix-google-calendar.git
	Log \| Files \| Refs

A	.gitignore	\|	6	++++++
A	Cargo.lock	\|	3255	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A	Cargo.toml	\|	36	++++++++++++++++++++++++++++++++++++
A	TODOs.md	\|	17	+++++++++++++++++
A	config-example.yml	\|	6	++++++
A	src/commands/calendars.rs	\|	37	+++++++++++++++++++++++++++++++++++++
A	src/commands/events.rs	\|	23	+++++++++++++++++++++++
A	src/commands/mod.rs	\|	23	+++++++++++++++++++++++
A	src/config.rs	\|	12	++++++++++++
A	src/errors.rs	\|	14	++++++++++++++
A	src/google_calendar/mod.rs	\|	316	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A	src/main.rs	\|	58	++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A	src/matrix/mod.rs	\|	82	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A	src/matrix/sync.rs	\|	48	++++++++++++++++++++++++++++++++++++++++++++++++