matrix-rust-sdk/matrix_sdk/examples/emoji_verification.rs

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Rust
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use std::{
env, io,
process::exit,
sync::{
atomic::{AtomicBool, Ordering},
Arc,
},
};
use url::Url;
use matrix_sdk::{
self,
events::{
room::message::MessageEventContent, AnySyncMessageEvent, AnySyncRoomEvent, AnyToDeviceEvent,
},
identifiers::UserId,
Client, LoopCtrl, Sas, SyncSettings,
};
async fn wait_for_confirmation(client: Client, sas: Sas) {
println!("Does the emoji match: {:?}", sas.emoji());
let mut input = String::new();
io::stdin()
.read_line(&mut input)
.expect("error: unable to read user input");
match input.trim().to_lowercase().as_ref() {
"yes" | "true" | "ok" => {
sas.confirm().await.unwrap();
if sas.is_done() {
print_result(&sas);
print_devices(sas.other_device().user_id(), &client).await;
}
}
_ => sas.cancel().await.unwrap(),
}
}
fn print_result(sas: &Sas) {
let device = sas.other_device();
println!(
"Successfully verified device {} {} {:?}",
device.user_id(),
device.device_id(),
device.local_trust_state()
);
}
async fn print_devices(user_id: &UserId, client: &Client) {
println!("Devices of user {}", user_id);
for device in client.get_user_devices(user_id).await.unwrap().devices() {
println!(
" {:<10} {:<30} {:<}",
device.device_id(),
device.display_name().as_deref().unwrap_or_default(),
device.is_trusted()
);
}
}
async fn login(
homeserver_url: String,
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username: &str,
password: &str,
) -> Result<(), matrix_sdk::Error> {
let homeserver_url = Url::parse(&homeserver_url).expect("Couldn't parse the homeserver URL");
let client = Client::new(homeserver_url).unwrap();
client
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.login(username, password, None, Some("rust-sdk"))
.await?;
let client_ref = &client;
let initial_sync = Arc::new(AtomicBool::from(true));
let initial_ref = &initial_sync;
client
.sync_with_callback(SyncSettings::new(), |response| async move {
let client = &client_ref;
let initial = &initial_ref;
for event in &response.to_device.events {
match event {
AnyToDeviceEvent::KeyVerificationStart(e) => {
let sas = client
.get_verification(&e.content.transaction_id)
.await
.expect("Sas object wasn't created");
println!(
"Starting verification with {} {}",
&sas.other_device().user_id(),
&sas.other_device().device_id()
);
print_devices(&e.sender, &client).await;
sas.accept().await.unwrap();
}
AnyToDeviceEvent::KeyVerificationKey(e) => {
let sas = client
.get_verification(&e.content.transaction_id)
.await
.expect("Sas object wasn't created");
tokio::spawn(wait_for_confirmation((*client).clone(), sas));
}
AnyToDeviceEvent::KeyVerificationMac(e) => {
let sas = client
.get_verification(&e.content.transaction_id)
.await
.expect("Sas object wasn't created");
if sas.is_done() {
print_result(&sas);
print_devices(&e.sender, &client).await;
}
}
_ => (),
}
}
if !initial.load(Ordering::SeqCst) {
for (_room_id, room_info) in response.rooms.join {
for event in room_info.timeline.events {
if let AnySyncRoomEvent::Message(event) = event {
match event {
AnySyncMessageEvent::RoomMessage(m) => {
if let MessageEventContent::VerificationRequest(_) = &m.content
{
let request = client
.get_verification_request(&m.event_id)
.await
.expect("Request object wasn't created");
request
.accept()
.await
.expect("Can't accept verification request");
}
}
AnySyncMessageEvent::KeyVerificationKey(e) => {
let sas = client
.get_verification(&e.content.relation.event_id.as_str())
.await
.expect("Sas object wasn't created");
tokio::spawn(wait_for_confirmation((*client).clone(), sas));
}
AnySyncMessageEvent::KeyVerificationMac(e) => {
let sas = client
.get_verification(&e.content.relation.event_id.as_str())
.await
.expect("Sas object wasn't created");
if sas.is_done() {
print_result(&sas);
print_devices(&e.sender, &client).await;
}
}
_ => (),
}
}
}
}
}
initial.store(false, Ordering::SeqCst);
LoopCtrl::Continue
})
.await;
Ok(())
}
#[tokio::main]
async fn main() -> Result<(), matrix_sdk::Error> {
tracing_subscriber::fmt::init();
let (homeserver_url, username, password) =
match (env::args().nth(1), env::args().nth(2), env::args().nth(3)) {
(Some(a), Some(b), Some(c)) => (a, b, c),
_ => {
eprintln!(
"Usage: {} <homeserver_url> <username> <password>",
env::args().next().unwrap()
);
exit(1)
}
};
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login(homeserver_url, &username, &password).await
}