separate handlers

This commit is contained in:
yggverse 2025-02-22 07:41:25 +02:00
parent 69b0186d01
commit 71d75bc22f

View file

@ -3,7 +3,7 @@ mod storage;
use anyhow::Result; use anyhow::Result;
use argument::Argument; use argument::Argument;
use clap::Parser;
use native_tls::{Identity, TlsAcceptor, TlsStream}; use native_tls::{Identity, TlsAcceptor, TlsStream};
use std::{ use std::{
fs::File, fs::File,
@ -15,6 +15,8 @@ use std::{
}; };
fn main() -> Result<()> { fn main() -> Result<()> {
use clap::Parser;
let argument = Arc::new(Argument::parse()); let argument = Arc::new(Argument::parse());
// https://geminiprotocol.net/docs/protocol-specification.gmi#the-use-of-tls // https://geminiprotocol.net/docs/protocol-specification.gmi#the-use-of-tls
@ -42,7 +44,7 @@ fn main() -> Result<()> {
move || handle(argument, peer, &mut stream) move || handle(argument, peer, &mut stream)
}); });
} }
Err(e) => println!("[{}] [error] Failed to accept connection: {e}", now()), Err(e) => println!("[{}] [error] {e}", now()),
} }
} }
Ok(()) Ok(())
@ -51,19 +53,48 @@ fn main() -> Result<()> {
fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpStream>) { fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpStream>) {
use titanite::*; use titanite::*;
println!("[{}] [info] [{peer}] New connection", now()); println!("[{}] [info] [{peer}] New connection", now());
// validate totals let mut input = vec![0; titanite::HEADER_MAX_LEN];
let mut total = 0;
// read header bytes
let mut input = vec![0; 1024];
match stream.read(&mut input) { match stream.read(&mut input) {
Ok(0) => println!("[{}] [warning] [{peer}] Connection closed by peer", now()), Ok(0) => println!("[{}] [warning] [{peer}] Connection closed by peer", now()),
Ok(l) => { Ok(s) => match Request::from_bytes(&input[..s]) {
match Request::from_bytes(&input[..l]) { Ok(request) => match request {
Ok(request) => { Request::Gemini(this) => handle_gemini(this, argument, peer, stream),
match request { Request::Titan(this) => handle_titan(this, argument, peer, stream),
Request::Gemini(gemini) => { },
match storage::Item::from_url(&gemini.url.as_str(), &argument.directory) Err(e) => send(
{ &response::failure::temporary::General {
message: Some("Internal server error".to_string()),
}
.into_bytes(),
stream,
|result| match result {
Ok(()) => println!("[{}] [warning] [{peer}] {e}", now()),
Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
},
),
},
Err(e) => send(
&response::failure::temporary::General {
message: Some("Internal server error".to_string()),
}
.into_bytes(),
stream,
|result| match result {
Ok(()) => println!("[{}] [warning] [{peer}] {e}", now()),
Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
},
),
}
}
fn handle_gemini(
gemini: titanite::request::Gemini,
argument: Arc<Argument>,
peer: SocketAddr,
stream: &mut TlsStream<TcpStream>,
) {
use titanite::*;
match storage::Item::from_url(&gemini.url.as_str(), &argument.directory) {
Ok(item) => send( Ok(item) => send(
&response::success::Default { &response::success::Default {
mime: "text/gemini".to_string(), mime: "text/gemini".to_string(),
@ -72,11 +103,7 @@ fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpS
.into_bytes(), .into_bytes(),
stream, stream,
|result| match result { |result| match result {
Ok(()) => println!( Ok(()) => println!("[{}] [info] [{peer}] Request: {}", now(), gemini.url),
"[{}] [info] [{peer}] Request: {}",
now(),
gemini.url
),
Err(e) => println!("[{}] [error] [{peer}] {e}", now()), Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
}, },
), ),
@ -93,24 +120,54 @@ fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpS
), ),
} }
} }
Request::Titan(titan) => match storage::Item::create(&argument.directory) {
fn handle_titan(
titan: titanite::request::Titan,
argument: Arc<Argument>,
peer: SocketAddr,
stream: &mut TlsStream<TcpStream>,
) {
use titanite::*;
let mut total = 0;
match storage::Item::create(&argument.directory) {
Ok(mut tmp) => loop { Ok(mut tmp) => loop {
let mut input = vec![0; argument.chunk]; let mut input = vec![0; argument.chunk];
match stream.read(&mut input) { match stream.read(&mut input) {
Ok(0) => println!( Ok(0) => {
"[{}] [warning] [{peer}] Connection closed by peer", println!("[{}] [warning] [{peer}] Connection closed by peer", now());
now() if let Err(e) = tmp.delete() {
), println!("[{}] [error] [{peer}] {e}", now());
}
break;
}
Ok(l) => match tmp.file.write(&input[..l]) { Ok(l) => match tmp.file.write(&input[..l]) {
Ok(s) => { Ok(s) => {
total += s; total += s;
if s != l { if s != l {
todo!() if let Err(e) = tmp.delete() {
println!("[{}] [error] [{peer}] {e}", now());
}
const MESSAGE: &str = "File sizes mismatch";
return send(
&response::failure::temporary::General {
message: Some(MESSAGE.to_string()),
}
.into_bytes(),
stream,
|result| match result {
Ok(()) => println!("[{}] [error] [{peer}] {MESSAGE}", now()),
Err(e) => {
println!("[{}] [error] [{peer}] {e}", now())
}
},
);
} }
// validate server-side limits // validate server-side limits
if argument.size.is_some_and(|limit| total > limit) { if argument.size.is_some_and(|limit| total > limit) {
const MESSAGE: &str = if let Err(e) = tmp.delete() {
"Allowed max length limit reached"; println!("[{}] [error] [{peer}] {e}", now());
}
const MESSAGE: &str = "Allowed max length limit reached";
return send( return send(
&response::failure::permanent::BadRequest { &response::failure::permanent::BadRequest {
message: Some(MESSAGE.to_string()), message: Some(MESSAGE.to_string()),
@ -118,15 +175,9 @@ fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpS
.into_bytes(), .into_bytes(),
stream, stream,
|result| match result { |result| match result {
Ok(()) => println!( Ok(()) => println!("[{}] [warning] [{peer}] {MESSAGE}", now()),
"[{}] [warning] [{peer}] {MESSAGE}",
now()
),
Err(e) => { Err(e) => {
println!( println!("[{}] [error] [{peer}] {e}", now())
"[{}] [error] [{peer}] {e}",
now()
)
} }
}, },
); );
@ -135,8 +186,10 @@ fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpS
if titan.size >= total { if titan.size >= total {
// validate client-side limits // validate client-side limits
if titan.size > total { if titan.size > total {
const MESSAGE: &str = if let Err(e) = tmp.delete() {
"Data size mismatch header declaration"; println!("[{}] [error] [{peer}] {e}", now());
}
const MESSAGE: &str = "Data size mismatch header declaration";
return send( return send(
&response::failure::permanent::BadRequest { &response::failure::permanent::BadRequest {
message: Some(MESSAGE.to_string()), message: Some(MESSAGE.to_string()),
@ -145,15 +198,9 @@ fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpS
stream, stream,
|result| match result { |result| match result {
Ok(()) => { Ok(()) => {
println!( println!("[{}] [warning] [{peer}] {MESSAGE}", now())
"[{}] [warning] [{peer}] {MESSAGE}",
now()
)
} }
Err(e) => println!( Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
"[{}] [error] [{peer}] {e}",
now()
),
}, },
); );
} }
@ -177,44 +224,30 @@ fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpS
} }
.into_bytes(), .into_bytes(),
stream, stream,
|result| { |result| match result {
match result {
Ok(()) => println!( Ok(()) => println!(
"[{}] [info] [{peer}] Data saved to {}", "[{}] [info] [{peer}] Data saved to {}",
now(), now(),
pmt.path.to_string_lossy() pmt.path.to_string_lossy()
), ),
Err(e) => println!( Err(e) => println!("[{}] [warning] [{peer}] {e}", now()),
"[{}] [warning] [{peer}] {e}",
now()
),
}
}, },
), ),
Err((tmp, e)) => send( Err((tmp, e)) => send(
&response::failure::temporary::General { &response::failure::temporary::General {
message: Some( message: Some("Internal server error".to_string()),
"Internal server error".to_string(),
),
} }
.into_bytes(), .into_bytes(),
stream, stream,
|result| { |result| {
match result { match result {
Ok(()) => println!( Ok(()) => {
"[{}] [error] [{peer}] {e}", println!("[{}] [warning] [{peer}] {e}", now())
now() }
), Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
Err(e) => println!(
"[{}] [error] [{peer}] {e}",
now()
),
}; };
if let Err(e) = tmp.delete() { if let Err(e) = tmp.delete() {
println!( println!("[{}] [error] [{peer}] {e}", now());
"[{}] [error] [{peer}] {e}",
now()
);
} }
}, },
), ),
@ -231,45 +264,13 @@ fn handle(argument: Arc<Argument>, peer: SocketAddr, stream: &mut TlsStream<TcpS
.into_bytes(), .into_bytes(),
stream, stream,
|result| match result { |result| match result {
Ok(()) => { Ok(()) => println!("[{}] [warning] [{peer}] {e}", now()),
println!("[{}] [error] [{peer}] {e}", now()) Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
}
Err(e) => {
println!("[{}] [error] [{peer}] {e}", now())
}
}, },
), ),
} }
}, },
Err(e) => todo!(), Err(e) => todo!(),
},
}
}
Err(e) => send(
&response::failure::temporary::General {
message: Some("Internal server error".to_string()),
}
.into_bytes(),
stream,
|result| match result {
Ok(()) => println!("[{}] [error] [{peer}] {e}", now()),
Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
},
),
}
}
Err(e) => send(
&response::failure::temporary::General {
message: Some("Internal server error".to_string()),
}
.into_bytes(),
stream,
|result| match result {
Ok(()) => println!("[{}] [error] [{peer}] {e}", now()),
Err(e) => println!("[{}] [error] [{peer}] {e}", now()),
},
),
} }
} }