197 lines
6 KiB
Rust
197 lines
6 KiB
Rust
use std::process::Command;
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use std::net::{Shutdown, TcpStream};
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use std::{thread, time};
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use anyhow::{bail, Result};
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use std::io::{Write, Read};
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static SMALL_DELAY: time::Duration = time::Duration::from_millis(200);
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static EMAIL: &[u8] = b"Date: Sat, 8 Jul 2023 07:14:29 +0200\r
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From: Bob Robert <bob@example.tld>\r
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To: Alice Malice <alice@example.tld>\r
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CC: =?ISO-8859-1?Q?Andr=E9?= Pirard <PIRARD@vm1.ulg.ac.be>\r
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Subject: =?ISO-8859-1?B?SWYgeW91IGNhbiByZWFkIHRoaXMgeW8=?=\r
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=?ISO-8859-2?B?dSB1bmRlcnN0YW5kIHRoZSBleGFtcGxlLg==?=\r
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X-Unknown: something something\r
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Bad entry\r
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on multiple lines\r
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Message-ID: <NTAxNzA2AC47634Y366BAMTY4ODc5MzQyODY0ODY5@www.grrrndzero.org>\r
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MIME-Version: 1.0\r
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Content-Type: multipart/alternative;\r
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boundary=\"b1_e376dc71bafc953c0b0fdeb9983a9956\"\r
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Content-Transfer-Encoding: 7bit\r
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\r
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This is a multi-part message in MIME format.\r
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\r
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--b1_e376dc71bafc953c0b0fdeb9983a9956\r
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Content-Type: text/plain; charset=utf-8\r
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Content-Transfer-Encoding: quoted-printable\r
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\r
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GZ\r
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OoOoO\r
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oOoOoOoOo\r
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oOoOoOoOoOoOoOoOo\r
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oOoOoOoOoOoOoOoOoOoOoOo\r
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oOoOoOoOoOoOoOoOoOoOoOoOoOoOo\r
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OoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoO\r
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\r
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--b1_e376dc71bafc953c0b0fdeb9983a9956\r
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Content-Type: text/html; charset=us-ascii\r
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\r
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<div style=\"text-align: center;\"><strong>GZ</strong><br />\r
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OoOoO<br />\r
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oOoOoOoOo<br />\r
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oOoOoOoOoOoOoOoOo<br />\r
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oOoOoOoOoOoOoOoOoOoOoOo<br />\r
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oOoOoOoOoOoOoOoOoOoOoOoOoOoOo<br />\r
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OoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoO<br />\r
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</div>\r
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\r
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--b1_e376dc71bafc953c0b0fdeb9983a9956--\r
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";
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fn main() {
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let mut daemon = Command::new(env!("CARGO_BIN_EXE_aerogramme"))
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.arg("--dev")
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.arg("provider")
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.arg("daemon")
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.spawn()
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.expect("daemon should be started");
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let mut max_retry = 20;
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let mut imap_socket = loop {
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max_retry -= 1;
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match (TcpStream::connect("[::1]:1143"), max_retry) {
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(Err(e), 0) => panic!("no more retry, last error is: {}", e),
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(Err(e), _) => {
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println!("unable to connect: {} ; will retry in 1 sec", e);
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},
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(Ok(v), _) => break v,
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}
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thread::sleep(SMALL_DELAY);
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};
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let mut lmtp_socket = TcpStream::connect("[::1]:1025").expect("lmtp socket must be connected");
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println!("-- ready to test imap features --");
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login(&mut imap_socket).expect("login test");
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select_inbox(&mut imap_socket).expect("select inbox");
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lmtp_handshake(&mut lmtp_socket).expect("handshake lmtp done");
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lmtp_deliver_email(&mut lmtp_socket, EMAIL).expect("mail delivered successfully");
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noop_exists(&mut imap_socket).expect("noop loop must detect a new email");
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fetch_rfc822(&mut imap_socket, EMAIL).expect("fecth rfc822 message");
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println!("-- test teardown --");
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imap_socket.shutdown(Shutdown::Both).expect("closing imap socket at the end of the test");
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lmtp_socket.shutdown(Shutdown::Both).expect("closing lmtp socket at the end of the test");
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daemon.kill().expect("daemon should be killed");
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}
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fn login(imap: &mut TcpStream) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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let read = read_lines(imap, &mut buffer, None)?;
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assert_eq!(&read[..4], &b"* OK"[..]);
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imap.write(&b"10 login alice hunter2\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, None)?;
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assert_eq!(&read[..5], &b"10 OK"[..]);
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Ok(())
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}
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fn select_inbox(imap: &mut TcpStream) -> Result<()> {
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let mut buffer: [u8; 6000] = [0; 6000];
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imap.write(&b"20 select inbox\r\n"[..])?;
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let _read = read_lines(imap, &mut buffer, Some(&b"20 OK"[..]))?;
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Ok(())
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}
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fn lmtp_handshake(lmtp: &mut TcpStream) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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let _read = read_lines(lmtp, &mut buffer, None)?;
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assert_eq!(&buffer[..4], &b"220 "[..]);
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lmtp.write(&b"LHLO example.tld\r\n"[..])?;
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let _read = read_lines(lmtp, &mut buffer, Some(&b"250 "[..]))?;
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Ok(())
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}
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fn lmtp_deliver_email(lmtp: &mut TcpStream, email: &[u8]) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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lmtp.write(&b"MAIL FROM:<bob@example.tld>\r\n"[..])?;
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let _read = read_lines(lmtp, &mut buffer, Some(&b"250 2.0.0"[..]))?;
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lmtp.write(&b"RCPT TO:<alice@example.tld>\r\n"[..])?;
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let _read = read_lines(lmtp, &mut buffer, Some(&b"250 2.1.5"[..]))?;
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lmtp.write(&b"DATA\r\n"[..])?;
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let _read = read_lines(lmtp, &mut buffer, Some(&b"354 "[..]))?;
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lmtp.write(email)?;
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lmtp.write(&b"\r\n.\r\n"[..])?;
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let _read = read_lines(lmtp, &mut buffer, Some(&b"250 2.0.0"[..]))?;
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Ok(())
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}
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fn noop_exists(imap: &mut TcpStream) -> Result<()> {
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let mut buffer: [u8; 6000] = [0; 6000];
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let mut max_retry = 20;
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loop {
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max_retry -= 1;
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imap.write(&b"30 NOOP\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, Some(&b"30 OK NOOP"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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match (max_retry, srv_msg.contains("* 1 EXISTS")) {
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(_, true) => break,
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(0, _) => bail!("no more retry"),
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_ => (),
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}
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thread::sleep(SMALL_DELAY);
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};
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Ok(())
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}
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fn fetch_rfc822(imap: &mut TcpStream, ref_mail: &[u8]) -> Result<()> {
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let mut buffer: [u8; 65535] = [0; 65535];
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imap.write(&b"40 fetch 1 rfc822\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, Some(&b"40 OK FETCH"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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let orig_email = std::str::from_utf8(ref_mail)?;
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assert!(srv_msg.contains(orig_email));
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Ok(())
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}
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fn read_lines<'a, F: Read>(reader: &mut F, buffer: &'a mut [u8], stop_marker: Option<&[u8]>) -> Result<&'a [u8]> {
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let mut nbytes = 0;
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loop {
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nbytes += reader.read(&mut buffer[nbytes..])?;
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let pre_condition = match stop_marker {
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None => true,
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Some(mark) => buffer[..nbytes]
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.windows(mark.len())
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.any(|w| w == mark)
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};
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if pre_condition && &buffer[nbytes-2..nbytes] == &b"\r\n"[..] {
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break
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}
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}
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println!("read: {}", std::str::from_utf8(&buffer[..nbytes])?);
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Ok(&buffer[..nbytes])
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}
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