From ebeed8dceed4a5e7cc4e35a453054067480fefb1 Mon Sep 17 00:00:00 2001
From: George Kaklamanos <gkaklas@gkaklas.gr>
Date: Sat, 27 Nov 2021 23:24:09 +0200
Subject: [PATCH] labadoor-matrix: Initial commit

---
 Cargo.toml                  |  4 ++++
 labadoor-matrix/Cargo.toml  | 12 ++++++++++
 labadoor-matrix/src/main.rs | 47 +++++++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 Cargo.toml
 create mode 100644 labadoor-matrix/Cargo.toml
 create mode 100644 labadoor-matrix/src/main.rs

diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ff3b98a
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,4 @@
+[workspace]
+members = [
+    "labadoor-matrix",
+]
diff --git a/labadoor-matrix/Cargo.toml b/labadoor-matrix/Cargo.toml
new file mode 100644
index 0000000..6925db4
--- /dev/null
+++ b/labadoor-matrix/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "labadoor-matrix"
+version = "0.1.0"
+edition = "2021"
+license = "AGPL-3.0-or-later"
+
+[dependencies]
+matrix-sdk = { version = "0.4.1", features = ["encryption"] }
+tokio = { version = "1.12.0", features = ["rt-multi-thread", "macros"] }
+
+[target.armv7-unknown-linux-musleabihf.dependencies]
+openssl-sys = { version = "0.9.67", features = ["vendored"] }
diff --git a/labadoor-matrix/src/main.rs b/labadoor-matrix/src/main.rs
new file mode 100644
index 0000000..2e47f8f
--- /dev/null
+++ b/labadoor-matrix/src/main.rs
@@ -0,0 +1,47 @@
+use std::convert::TryFrom;
+use matrix_sdk::{
+    Client, SyncSettings, Result,
+    ruma::{UserId, events::{SyncMessageEvent, room::message::{MessageEventContent, MessageType,  TextMessageEventContent,}}},
+    room::Room,
+};
+
+fn open(param: String) {
+    use std::process::Command;
+    use std::io::{self, Write};
+    let mut cmd = Command::new("/usr/local/bin/doorlock");
+    cmd.arg("matrix").arg(param);
+    let out = cmd.output().expect("Could not run command");
+    io::stdout().write_all(&out.stdout).unwrap();
+}
+
+async fn on_room_message(event: SyncMessageEvent<MessageEventContent>, room: Room) {
+    if let Room::Joined(room) = room {
+        let msg_body = match event.content.msgtype {
+            MessageType::Text(TextMessageEventContent { body, .. }) => body,
+            _ => return,
+        };
+
+        if msg_body == "1" {
+            open(event.sender.to_string());
+            let content = MessageEventContent::text_plain("Open sesame!");
+            room.send(content, None).await.unwrap();
+        }
+    }
+}
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    let username = std::env::var("LABADOOR_MATRIX_USERNAME").expect("LABADOOR_MATRIX_USERNAME not set");
+    let password = std::env::var("LABADOOR_MATRIX_PASSWORD").expect("LABADOOR_MATRIX_PASSWORD not set");
+
+    let user = UserId::try_from(username)?;
+    let client = Client::new_from_user_id(user.clone()).await?;
+
+    client.login(user.localpart(), &password, None, None).await?;
+    client.sync_once(SyncSettings::default()).await.unwrap();
+    client.register_event_handler(on_room_message).await;
+    let settings = SyncSettings::default().token(client.sync_token().await.unwrap());
+    client.sync(settings).await;
+
+    Ok(())
+}