aerogramme/tests/imap_features.rs

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use anyhow::{bail, Context, Result};
use std::io::{Read, Write};
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use std::net::{Shutdown, TcpStream};
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use std::process::Command;
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use std::{thread, time};
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static SMALL_DELAY: time::Duration = time::Duration::from_millis(200);
static EMAIL: &[u8] = b"Date: Sat, 8 Jul 2023 07:14:29 +0200\r
From: Bob Robert <bob@example.tld>\r
To: Alice Malice <alice@example.tld>\r
CC: =?ISO-8859-1?Q?Andr=E9?= Pirard <PIRARD@vm1.ulg.ac.be>\r
Subject: =?ISO-8859-1?B?SWYgeW91IGNhbiByZWFkIHRoaXMgeW8=?=\r
=?ISO-8859-2?B?dSB1bmRlcnN0YW5kIHRoZSBleGFtcGxlLg==?=\r
X-Unknown: something something\r
Bad entry\r
on multiple lines\r
Message-ID: <NTAxNzA2AC47634Y366BAMTY4ODc5MzQyODY0ODY5@www.grrrndzero.org>\r
MIME-Version: 1.0\r
Content-Type: multipart/alternative;\r
boundary=\"b1_e376dc71bafc953c0b0fdeb9983a9956\"\r
Content-Transfer-Encoding: 7bit\r
\r
This is a multi-part message in MIME format.\r
\r
--b1_e376dc71bafc953c0b0fdeb9983a9956\r
Content-Type: text/plain; charset=utf-8\r
Content-Transfer-Encoding: quoted-printable\r
\r
GZ\r
OoOoO\r
oOoOoOoOo\r
oOoOoOoOoOoOoOoOo\r
oOoOoOoOoOoOoOoOoOoOoOo\r
oOoOoOoOoOoOoOoOoOoOoOoOoOoOo\r
OoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoO\r
\r
--b1_e376dc71bafc953c0b0fdeb9983a9956\r
Content-Type: text/html; charset=us-ascii\r
\r
<div style=\"text-align: center;\"><strong>GZ</strong><br />\r
OoOoO<br />\r
oOoOoOoOo<br />\r
oOoOoOoOoOoOoOoOo<br />\r
oOoOoOoOoOoOoOoOoOoOoOo<br />\r
oOoOoOoOoOoOoOoOoOoOoOoOoOoOo<br />\r
OoOoOoOoOoOoOoOoOoOoOoOoOoOoOoOoO<br />\r
</div>\r
\r
--b1_e376dc71bafc953c0b0fdeb9983a9956--\r
";
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fn main() {
let mut daemon = Command::new(env!("CARGO_BIN_EXE_aerogramme"))
.arg("--dev")
.arg("provider")
.arg("daemon")
.spawn()
.expect("daemon should be started");
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let mut max_retry = 20;
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let mut imap_socket = loop {
max_retry -= 1;
match (TcpStream::connect("[::1]:1143"), max_retry) {
(Err(e), 0) => panic!("no more retry, last error is: {}", e),
(Err(e), _) => {
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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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");
println!("-- ready to test imap features --");
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let result = generic_test(&mut imap_socket, &mut lmtp_socket);
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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");
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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result.expect("all tests passed");
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}
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fn generic_test(imap_socket: &mut TcpStream, lmtp_socket: &mut TcpStream) -> Result<()> {
connect(imap_socket).context("server says hello")?;
capability(imap_socket).context("check server capabilities")?;
login(imap_socket).context("login test")?;
create_mailbox(imap_socket).context("created mailbox archive")?;
// UNSUBSCRIBE IS NOT IMPLEMENTED YET
//unsubscribe_mailbox(imap_socket).context("unsubscribe from archive")?;
select_inbox(imap_socket).context("select inbox")?;
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// CHECK IS NOT IMPLEMENTED YET
//check(...)
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status_mailbox(imap_socket).context("status of archive from inbox")?;
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lmtp_handshake(lmtp_socket).context("handshake lmtp done")?;
lmtp_deliver_email(lmtp_socket, EMAIL).context("mail delivered successfully")?;
noop_exists(imap_socket).context("noop loop must detect a new email")?;
fetch_rfc822(imap_socket, EMAIL).context("fetch rfc822 message")?;
copy_email(imap_socket).context("copy message to the archive mailbox")?;
// SEARCH IS NOT IMPLEMENTED YET
//search(imap_socket).expect("search should return something");
add_flags_email(imap_socket).context("should add delete and important flags to the email")?;
expunge(imap_socket).context("expunge emails")?;
rename_mailbox(imap_socket).context("archive mailbox is renamed my-archives")?;
delete_mailbox(imap_socket).context("my-archives mailbox is deleted")?;
Ok(())
}
fn connect(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)?;
assert_eq!(&read[..4], &b"* OK"[..]);
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Ok(())
}
fn capability(imap: &mut TcpStream) -> Result<()> {
imap.write(&b"5 capability\r\n"[..])?;
let mut buffer: [u8; 1500] = [0; 1500];
let read = read_lines(imap, &mut buffer, Some(&b"5 OK"[..]))?;
let srv_msg = std::str::from_utf8(read)?;
assert!(srv_msg.contains("IMAP4REV1"));
assert!(srv_msg.contains("IDLE"));
Ok(())
}
fn login(imap: &mut TcpStream) -> Result<()> {
let mut buffer: [u8; 1500] = [0; 1500];
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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)?;
assert_eq!(&read[..5], &b"10 OK"[..]);
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Ok(())
}
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fn create_mailbox(imap: &mut TcpStream) -> Result<()> {
let mut buffer: [u8; 1500] = [0; 1500];
imap.write(&b"15 create archive\r\n"[..])?;
let read = read_lines(imap, &mut buffer, None)?;
assert_eq!(&read[..12], &b"15 OK CREATE"[..]);
Ok(())
}
#[allow(dead_code)]
fn unsubscribe_mailbox(imap: &mut TcpStream) -> Result<()> {
let mut buffer: [u8; 6000] = [0; 6000];
imap.write(&b"16 lsub \"\" *\r\n"[..])?;
let read = read_lines(imap, &mut buffer, Some(&b"16 OK LSUB"[..]))?;
let srv_msg = std::str::from_utf8(read)?;
assert!(srv_msg.contains(" INBOX\r\n"));
assert!(srv_msg.contains(" archive\r\n"));
imap.write(&b"17 unsubscribe archive\r\n"[..])?;
let read = read_lines(imap, &mut buffer, None)?;
assert_eq!(&read[..5], &b"17 OK"[..]);
imap.write(&b"18 lsub \"\" *\r\n"[..])?;
let read = read_lines(imap, &mut buffer, Some(&b"18 OK LSUB"[..]))?;
let srv_msg = std::str::from_utf8(read)?;
assert!(srv_msg.contains(" INBOX\r\n"));
assert!(!srv_msg.contains(" archive\r\n"));
Ok(())
}
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fn select_inbox(imap: &mut TcpStream) -> Result<()> {
let mut buffer: [u8; 6000] = [0; 6000];
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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fn status_mailbox(imap: &mut TcpStream) -> Result<()> {
imap.write(&b"25 STATUS archive (UIDNEXT MESSAGES)\r\n"[..])?;
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let mut buffer: [u8; 6000] = [0; 6000];
let _read = read_lines(imap, &mut buffer, Some(&b"25 OK"[..]))?;
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Ok(())
}
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fn lmtp_handshake(lmtp: &mut TcpStream) -> Result<()> {
let mut buffer: [u8; 1500] = [0; 1500];
let _read = read_lines(lmtp, &mut buffer, None)?;
assert_eq!(&buffer[..4], &b"220 "[..]);
lmtp.write(&b"LHLO example.tld\r\n"[..])?;
let _read = read_lines(lmtp, &mut buffer, Some(&b"250 "[..]))?;
Ok(())
}
fn lmtp_deliver_email(lmtp: &mut TcpStream, email: &[u8]) -> Result<()> {
let mut buffer: [u8; 1500] = [0; 1500];
lmtp.write(&b"MAIL FROM:<bob@example.tld>\r\n"[..])?;
let _read = read_lines(lmtp, &mut buffer, Some(&b"250 2.0.0"[..]))?;
lmtp.write(&b"RCPT TO:<alice@example.tld>\r\n"[..])?;
let _read = read_lines(lmtp, &mut buffer, Some(&b"250 2.1.5"[..]))?;
lmtp.write(&b"DATA\r\n"[..])?;
let _read = read_lines(lmtp, &mut buffer, Some(&b"354 "[..]))?;
lmtp.write(email)?;
lmtp.write(&b"\r\n.\r\n"[..])?;
let _read = read_lines(lmtp, &mut buffer, Some(&b"250 2.0.0"[..]))?;
Ok(())
}
fn noop_exists(imap: &mut TcpStream) -> Result<()> {
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;
imap.write(&b"30 NOOP\r\n"[..])?;
let read = read_lines(imap, &mut buffer, Some(&b"30 OK NOOP"[..]))?;
let srv_msg = std::str::from_utf8(read)?;
match (max_retry, srv_msg.contains("* 1 EXISTS")) {
(_, true) => break,
(0, _) => bail!("no more retry"),
_ => (),
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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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fn fetch_rfc822(imap: &mut TcpStream, ref_mail: &[u8]) -> Result<()> {
let mut buffer: [u8; 65535] = [0; 65535];
imap.write(&b"40 fetch 1 rfc822\r\n"[..])?;
let read = read_lines(imap, &mut buffer, Some(&b"40 OK FETCH"[..]))?;
let srv_msg = std::str::from_utf8(read)?;
let orig_email = std::str::from_utf8(ref_mail)?;
assert!(srv_msg.contains(orig_email));
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Ok(())
}
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fn copy_email(imap: &mut TcpStream) -> Result<()> {
let mut buffer: [u8; 65535] = [0; 65535];
imap.write(&b"45 copy 1 archive\r\n"[..])?;
let read = read_lines(imap, &mut buffer, None)?;
assert_eq!(&read[..5], &b"45 OK"[..]);
Ok(())
}
fn add_flags_email(imap: &mut TcpStream) -> Result<()> {
imap.write(&b"50 store 1 +FLAGS (\\Deleted \\Important)\r\n"[..])?;
let mut buffer: [u8; 1500] = [0; 1500];
let _read = read_lines(imap, &mut buffer, Some(&b"50 OK STORE"[..]))?;
Ok(())
}
#[allow(dead_code)]
/// Not yet implemented
fn search(imap: &mut TcpStream) -> Result<()> {
imap.write(&b"55 search text \"OoOoO\"\r\n"[..])?;
let mut buffer: [u8; 1500] = [0; 1500];
let _read = read_lines(imap, &mut buffer, Some(&b"55 OK SEARCH"[..]))?;
Ok(())
}
fn expunge(imap: &mut TcpStream) -> Result<()> {
imap.write(&b"60 expunge\r\n"[..])?;
let mut buffer: [u8; 1500] = [0; 1500];
let _read = read_lines(imap, &mut buffer, Some(&b"60 OK EXPUNGE"[..]))?;
Ok(())
}
fn rename_mailbox(imap: &mut TcpStream) -> Result<()> {
imap.write(&b"70 rename archive my-archives\r\n"[..])?;
let mut buffer: [u8; 1500] = [0; 1500];
let read = read_lines(imap, &mut buffer, None)?;
assert_eq!(&read[..5], &b"70 OK"[..]);
imap.write(&b"71 list \"\" *\r\n"[..])?;
let read = read_lines(imap, &mut buffer, Some(&b"71 OK LIST"[..]))?;
let srv_msg = std::str::from_utf8(read)?;
assert!(!srv_msg.contains(" archive\r\n"));
assert!(srv_msg.contains(" INBOX\r\n"));
assert!(srv_msg.contains(" my-archives\r\n"));
Ok(())
}
fn delete_mailbox(imap: &mut TcpStream) -> Result<()> {
imap.write(&b"80 delete my-archives\r\n"[..])?;
let mut buffer: [u8; 1500] = [0; 1500];
let read = read_lines(imap, &mut buffer, None)?;
assert_eq!(&read[..5], &b"80 OK"[..]);
imap.write(&b"81 list \"\" *\r\n"[..])?;
let read = read_lines(imap, &mut buffer, Some(&b"81 OK LIST"[..]))?;
let srv_msg = std::str::from_utf8(read)?;
assert!(!srv_msg.contains(" archive\r\n"));
assert!(!srv_msg.contains(" my-archives\r\n"));
assert!(srv_msg.contains(" INBOX\r\n"));
Ok(())
}
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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;
loop {
nbytes += reader.read(&mut buffer[nbytes..])?;
let pre_condition = match stop_marker {
None => true,
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Some(mark) => buffer[..nbytes].windows(mark.len()).any(|w| w == mark),
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};
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if pre_condition && &buffer[nbytes - 2..nbytes] == &b"\r\n"[..] {
break;
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}
}
println!("read: {}", std::str::from_utf8(&buffer[..nbytes])?);
Ok(&buffer[..nbytes])
}