407 lines
12 KiB
Rust
407 lines
12 KiB
Rust
use anyhow::{bail, Result};
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use std::io::Write;
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use std::net::TcpStream;
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use std::thread;
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use crate::common::constants::*;
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use crate::common::*;
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/// These fragments are not a generic IMAP client
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/// but specialized to our specific tests. They can't take
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/// arbitrary values, only enum for which the code is known
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/// to be correct. The idea is that the generated message is more
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/// or less hardcoded by the developer, so its clear what's expected,
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/// and not generated by a library. Also don't use vector of enum,
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/// as it again introduce some kind of genericity we try so hard to avoid:
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/// instead add a dedicated enum, for example "All" or anything relaevent that would
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/// describe your list and then hardcode it in your fragment.
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/// DON'T. TRY. TO. BE. GENERIC. HERE.
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pub 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)?;
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assert_eq!(&read[..4], &b"* OK"[..]);
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Ok(())
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}
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pub enum Account {
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Alice,
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}
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pub enum Extension {
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None,
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Unselect,
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Move,
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CondStore,
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LiteralPlus,
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}
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pub enum Enable {
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Utf8Accept,
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CondStore,
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All,
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}
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pub enum Mailbox {
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Inbox,
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Archive,
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Drafts,
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}
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pub enum Flag {
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Deleted,
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Important
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}
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pub enum Email {
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Basic,
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Multipart,
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}
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pub enum Selection {
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FirstId,
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SecondId,
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}
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pub fn capability(imap: &mut TcpStream, ext: Extension) -> Result<()> {
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imap.write(&b"5 capability\r\n"[..])?;
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let maybe_ext = match ext {
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Extension::None => None,
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Extension::Unselect => Some("UNSELECT"),
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Extension::Move => Some("MOVE"),
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Extension::CondStore => Some("CONDSTORE"),
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Extension::LiteralPlus => Some("LITERAL+"),
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};
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let mut buffer: [u8; 6000] = [0; 6000];
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let read = read_lines(imap, &mut buffer, Some(&b"5 OK"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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assert!(srv_msg.contains("IMAP4REV1"));
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if let Some(ext) = maybe_ext {
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assert!(srv_msg.contains(ext));
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}
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Ok(())
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}
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pub fn login(imap: &mut TcpStream, account: Account) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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assert!(matches!(account, Account::Alice));
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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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pub fn login_with_literal(imap: &mut TcpStream, account: Account) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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assert!(matches!(account, Account::Alice));
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imap.write(&b"10 login {5+}\r\nalice {7+}\r\nhunter2\r\n"[..])?;
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let _read = read_lines(imap, &mut buffer, Some(&b"10 OK"[..]))?;
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Ok(())
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}
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pub fn create_mailbox(imap: &mut TcpStream, mbx: Mailbox) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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let mbx_str = match mbx {
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Mailbox::Inbox => "INBOX",
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Mailbox::Archive => "Archive",
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Mailbox::Drafts => "Drafts",
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};
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let cmd = format!("15 create {}\r\n", mbx_str);
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imap.write(cmd.as_bytes())?;
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let read = read_lines(imap, &mut buffer, None)?;
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assert_eq!(&read[..12], &b"15 OK CREATE"[..]);
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Ok(())
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}
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pub fn select(imap: &mut TcpStream, mbx: Mailbox, maybe_exists: Option<u64>) -> Result<()> {
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let mut buffer: [u8; 6000] = [0; 6000];
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let mbx_str = match mbx {
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Mailbox::Inbox => "INBOX",
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Mailbox::Archive => "Archive",
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Mailbox::Drafts => "Drafts",
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};
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imap.write(format!("20 select {}\r\n", mbx_str).as_bytes())?;
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let read = read_lines(imap, &mut buffer, Some(&b"20 OK"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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if let Some(exists) = maybe_exists {
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let expected = format!("* {} EXISTS", exists);
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assert!(srv_msg.contains(&expected));
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}
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Ok(())
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}
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pub fn unselect(imap: &mut TcpStream) -> Result<()> {
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imap.write(&b"70 unselect\r\n"[..])?;
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let mut buffer: [u8; 1500] = [0; 1500];
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let _read = read_lines(imap, &mut buffer, Some(&b"70 OK"[..]))?;
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Ok(())
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}
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pub fn check(imap: &mut TcpStream) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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imap.write(&b"21 check\r\n"[..])?;
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let _read = read_lines(imap, &mut buffer, Some(&b"21 OK"[..]))?;
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Ok(())
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}
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pub fn status_mailbox(imap: &mut TcpStream, mbx: Mailbox) -> Result<()> {
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assert!(matches!(mbx, Mailbox::Archive));
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imap.write(&b"25 STATUS Archive (UIDNEXT MESSAGES)\r\n"[..])?;
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let mut buffer: [u8; 6000] = [0; 6000];
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let _read = read_lines(imap, &mut buffer, Some(&b"25 OK"[..]))?;
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Ok(())
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}
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pub 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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pub fn lmtp_deliver_email(lmtp: &mut TcpStream, email_type: Email) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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let email = match email_type {
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Email::Basic => EMAIL2,
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Email::Multipart => EMAIL1,
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};
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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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pub 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"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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match (max_retry, srv_msg.lines().count()) {
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(_, cnt) if cnt > 1 => 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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pub fn fetch_rfc822(imap: &mut TcpStream, selection: Selection, r#ref: Email) -> Result<()> {
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let mut buffer: [u8; 65535] = [0; 65535];
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assert!(matches!(selection, Selection::FirstId));
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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 ref_mail = match r#ref {
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Email::Basic => EMAIL2,
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Email::Multipart => EMAIL1,
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};
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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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pub fn copy(imap: &mut TcpStream, selection: Selection, to: Mailbox) -> Result<()> {
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let mut buffer: [u8; 65535] = [0; 65535];
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assert!(matches!(selection, Selection::FirstId));
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assert!(matches!(to, Mailbox::Archive));
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imap.write(&b"45 copy 1 Archive\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, None)?;
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assert_eq!(&read[..5], &b"45 OK"[..]);
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Ok(())
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}
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pub fn append_email(imap: &mut TcpStream, content: Email) -> Result<()> {
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let mut buffer: [u8; 6000] = [0; 6000];
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let ref_mail = match content {
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Email::Multipart => EMAIL1,
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Email::Basic => EMAIL2,
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};
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let append_cmd = format!("47 append inbox (\\Seen) {{{}}}\r\n", ref_mail.len());
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println!("append cmd: {}", append_cmd);
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imap.write(append_cmd.as_bytes())?;
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// wait for continuation
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let read = read_lines(imap, &mut buffer, None)?;
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assert_eq!(read[0], b'+');
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// write our stuff
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imap.write(ref_mail)?;
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imap.write(&b"\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, None)?;
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assert_eq!(&read[..5], &b"47 OK"[..]);
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// we check that noop detects the change
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noop_exists(imap)?;
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Ok(())
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}
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pub fn add_flags_email(imap: &mut TcpStream, selection: Selection, flag: Flag) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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assert!(matches!(selection, Selection::FirstId));
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assert!(matches!(flag, Flag::Deleted));
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imap.write(&b"50 store 1 +FLAGS (\\Deleted)\r\n"[..])?;
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let _read = read_lines(imap, &mut buffer, Some(&b"50 OK STORE"[..]))?;
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Ok(())
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}
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#[allow(dead_code)]
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/// Not yet implemented
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pub fn search(imap: &mut TcpStream) -> Result<()> {
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imap.write(&b"55 search text \"OoOoO\"\r\n"[..])?;
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let mut buffer: [u8; 1500] = [0; 1500];
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let _read = read_lines(imap, &mut buffer, Some(&b"55 OK SEARCH"[..]))?;
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Ok(())
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}
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pub fn expunge(imap: &mut TcpStream) -> Result<()> {
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imap.write(&b"60 expunge\r\n"[..])?;
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let mut buffer: [u8; 1500] = [0; 1500];
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let _read = read_lines(imap, &mut buffer, Some(&b"60 OK EXPUNGE"[..]))?;
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Ok(())
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}
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pub fn rename_mailbox(imap: &mut TcpStream, from: Mailbox, to: Mailbox) -> Result<()> {
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assert!(matches!(from, Mailbox::Archive));
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assert!(matches!(to, Mailbox::Drafts));
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imap.write(&b"70 rename Archive Drafts\r\n"[..])?;
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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[..5], &b"70 OK"[..]);
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imap.write(&b"71 list \"\" *\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, Some(&b"71 OK LIST"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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assert!(!srv_msg.contains(" Archive\r\n"));
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assert!(srv_msg.contains(" INBOX\r\n"));
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assert!(srv_msg.contains(" Drafts\r\n"));
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Ok(())
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}
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pub fn delete_mailbox(imap: &mut TcpStream, mbx: Mailbox) -> Result<()> {
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let mbx_str = match mbx {
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Mailbox::Inbox => "INBOX",
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Mailbox::Archive => "Archive",
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Mailbox::Drafts => "Drafts",
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};
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let cmd = format!("80 delete {}\r\n", mbx_str);
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imap.write(cmd.as_bytes())?;
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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[..5], &b"80 OK"[..]);
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imap.write(&b"81 list \"\" *\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, Some(&b"81 OK"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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assert!(srv_msg.contains(" INBOX\r\n"));
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assert!(!srv_msg.contains(format!(" {}\r\n", mbx_str).as_str()));
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Ok(())
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}
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pub fn close(imap: &mut TcpStream) -> Result<()> {
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imap.write(&b"60 close\r\n"[..])?;
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let mut buffer: [u8; 1500] = [0; 1500];
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let _read = read_lines(imap, &mut buffer, Some(&b"60 OK"[..]))?;
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Ok(())
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}
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pub fn r#move(imap: &mut TcpStream, selection: Selection, to: Mailbox) -> Result<()> {
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let mut buffer: [u8; 1500] = [0; 1500];
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assert!(matches!(to, Mailbox::Archive));
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assert!(matches!(selection, Selection::FirstId));
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imap.write(&b"35 move 1 Archive\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, Some(&b"35 OK"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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assert!(srv_msg.contains("* 1 EXPUNGE"));
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Ok(())
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}
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pub fn enable(imap: &mut TcpStream, ask: Enable, done: Option<Enable>) -> Result<()> {
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let mut buffer: [u8; 6000] = [0; 6000];
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assert!(matches!(ask, Enable::Utf8Accept));
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imap.write(&b"36 enable UTF8=ACCEPT\r\n"[..])?;
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let read = read_lines(imap, &mut buffer, Some(&b"36 OK"[..]))?;
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let srv_msg = std::str::from_utf8(read)?;
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match done {
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None => assert_eq!(srv_msg.lines().count(), 1),
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Some(Enable::Utf8Accept) => {
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assert_eq!(srv_msg.lines().count(), 2);
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assert!(srv_msg.contains("* ENABLED UTF8=ACCEPT"));
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},
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_ => unimplemented!(),
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}
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Ok(())
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}
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pub fn logout(imap: &mut TcpStream) -> Result<()> {
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imap.write(&b"99 logout\r\n"[..])?;
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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[..5], &b"* BYE"[..]);
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Ok(())
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}
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