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remove nesting level, use protocol 3.1 version format for numeric errors

This commit is contained in:
G1ng3r 2024-01-30 22:17:39 +03:00
parent 75ac0a3369
commit 7f220c620f
3 changed files with 71 additions and 48 deletions
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106
crates/projection-irc/src/lib.rs
View File

@ -181,19 +181,15 @@ async fn handle_registration<'a>(
}
CapabilitySubcommand::End => {
let Some((ref username, ref realname)) = future_username else {
sasl_fail_message(config.server_name.clone()).write_async(writer).await?;
writer.flush().await?;
continue;
break Err(anyhow::Error::msg("Protocol violated"));
};
let Some(nickname) = future_nickname.clone() else {
sasl_fail_message(config.server_name.clone()).write_async(writer).await?;
writer.flush().await?;
continue;
break Err(anyhow::Error::msg("Protocol violated"));
};
let username = username.clone();
let realname = realname.clone();
let candidate_user = RegisteredUser {
nickname,
nickname: nickname.clone(),
username,
realname
};
@ -203,7 +199,11 @@ async fn handle_registration<'a>(
break Ok(candidate_user);
} else {
let Some(candidate_password) = pass else {
sasl_fail_message(config.server_name.clone()).write_async(writer).await?;
sasl_fail_message(
config.server_name.clone(),
nickname.clone(),
"User credentials was not provided".into()
).write_async(writer).await?;
writer.flush().await?;
continue;
};
@ -217,12 +217,16 @@ async fn handle_registration<'a>(
future_nickname = Some(nickname);
} else if let Some((username, realname)) = future_username.clone() {
let candidate_user = RegisteredUser {
nickname,
nickname: nickname.clone(),
username,
realname,
};
let Some(candidate_password) = pass else {
sasl_fail_message(config.server_name.clone()).write_async(writer).await?;
sasl_fail_message(
config.server_name.clone(),
nickname.clone(),
"User credentials was not provided".into()
).write_async(writer).await?;
writer.flush().await?;
continue;
};
@ -237,12 +241,16 @@ async fn handle_registration<'a>(
future_username = Some((username, realname));
} else if let Some(nickname) = future_nickname.clone() {
let candidate_user = RegisteredUser {
nickname,
nickname: nickname.clone(),
username,
realname,
};
let Some(candidate_password) = pass else {
sasl_fail_message(config.server_name.clone()).write_async(writer).await?;
sasl_fail_message(
config.server_name.clone(),
nickname.clone(),
"User credentials was not provided".into()
).write_async(writer).await?;
writer.flush().await?;
continue;
};
@ -267,46 +275,52 @@ async fn handle_registration<'a>(
.await?;
writer.flush().await?;
} else {
sasl_fail_message(config.server_name.clone()).write_async(writer).await?;
writer.flush().await?;
if let Some(nickname) = future_nickname.clone() {
sasl_fail_message(config.server_name.clone(), nickname.clone(), "Unsupported mechanism".into()).write_async(writer).await?;
writer.flush().await?;
} else {
break Err(anyhow::Error::msg("Wrong authentication sequence"));
}
}
} else {
let body = AuthBody::from_str(body.as_bytes())?;
match auth_user(storage, &body.login, &body.password).await {
Err(e) => {
tracing::warn!("Authentication failed: {:?}", e);
sasl_fail_message(config.server_name.clone()).write_async(writer).await?;
if let Err(e) = auth_user(storage, &body.login, &body.password).await {
tracing::warn!("Authentication failed: {:?}", e);
if let Some(nickname) = future_nickname.clone() {
sasl_fail_message(config.server_name.clone(), nickname.clone(), "Bad credentials".into()).write_async(writer).await?;
writer.flush().await?;
} else {
}
Ok(_) => {
let login: Str = body.login.into();
validated_user = Some(login.clone());
ServerMessage {
tags: vec![],
sender: Some(config.server_name.clone().into()),
body: ServerMessageBody::N900LoggedIn {
nick: login.clone(),
address: login.clone(),
account: login.clone(),
message: format!("You are now logged in as {}", login).into(),
},
}
.write_async(writer)
.await?;
ServerMessage {
tags: vec![],
sender: Some(config.server_name.clone().into()),
body: ServerMessageBody::N903SaslSuccess {
nick: login.clone(),
message: "SASL authentication successful".into(),
},
}
.write_async(writer)
.await?;
writer.flush().await?;
} else {
let login: Str = body.login.into();
validated_user = Some(login.clone());
ServerMessage {
tags: vec![],
sender: Some(config.server_name.clone().into()),
body: ServerMessageBody::N900LoggedIn {
nick: login.clone(),
address: login.clone(),
account: login.clone(),
message: format!("You are now logged in as {}", login).into(),
},
}
.write_async(writer)
.await?;
ServerMessage {
tags: vec![],
sender: Some(config.server_name.clone().into()),
body: ServerMessageBody::N903SaslSuccess {
nick: login.clone(),
message: "SASL authentication successful".into(),
},
}
.write_async(writer)
.await?;
writer.flush().await?;
}
}
// TODO handle abortion of authentication
}
_ => {}
@ -317,11 +331,11 @@ async fn handle_registration<'a>(
Ok(user)
}
fn sasl_fail_message(sender: Str) -> ServerMessage {
fn sasl_fail_message(sender: Str, nick: Str, text: Str) -> ServerMessage {
ServerMessage {
tags: vec![],
sender: Some(sender),
body: ServerMessageBody::N904SaslFail
body: ServerMessageBody::N904SaslFail { nick, text }
}
}

2
crates/projection-irc/tests/lib.rs
View File

@ -241,6 +241,8 @@ async fn scenario_cap_sasl_fail() -> Result<()> {
s.expect(":testserver 904").await?;
s.send("AUTHENTICATE PLAIN").await?;
s.expect(":testserver AUTHENTICATE +").await?;
s.send("AUTHENTICATE wrong_password").await?;
s.expect(":testserver 904").await?;
s.send("AUTHENTICATE dGVzdGVyAHRlc3RlcgBwYXNzd29yZA==").await?; // base64-encoded 'tester\x00tester\x00password'
s.expect(":testserver 900 tester tester tester :You are now logged in as tester").await?;
s.expect(":testserver 903 tester :SASL authentication successful").await?;

11
crates/proto-irc/src/server.rs
View File

@ -161,7 +161,10 @@ pub enum ServerMessageBody {
nick: Str,
message: Str,
},
N904SaslFail
N904SaslFail {
nick: Str,
text: Str,
}
}
impl ServerMessageBody {
@ -393,8 +396,12 @@ impl ServerMessageBody {
writer.write_all(b" :").await?;
writer.write_all(message.as_bytes()).await?;
}
ServerMessageBody::N904SaslFail => {
ServerMessageBody::N904SaslFail { nick, text } => {
writer.write_all(b"904").await?;
writer.write_all(b" ").await?;
writer.write_all(nick.as_bytes()).await?;
writer.write_all(b" :").await?;
writer.write_all(text.as_bytes()).await?;
}
}
Ok(())