extern crate imap;
extern crate openssl;
extern crate base64;
use openssl::ssl::{SslConnectorBuilder, SslMethod};
use base64::encode;
use imap::client::Client;
use imap::authenticator::Authenticator;
struct GmailOAuth2 {
user: String,
access_token: String,
}
impl Authenticator for GmailOAuth2 {
#[allow(unused_variables)]
fn process(&self, data: String) -> String {
encode(
format!(
"user={}\x01auth=Bearer {}\x01\x01",
self.user,
self.access_token
).as_bytes(),
)
}
}
fn main() {
let gmail_auth = GmailOAuth2 {
user: String::from("sombody@gmail.com"),
access_token: String::from("<access_token>"),
};
let domain = "imap.gmail.com";
let port = 993;
let socket_addr = (domain, port);
let ssl_connector = SslConnectorBuilder::new(SslMethod::tls()).unwrap().build();
let mut imap_socket = Client::secure_connect(socket_addr, domain, ssl_connector).unwrap();
imap_socket.authenticate("XOAUTH2", gmail_auth).unwrap();
match imap_socket.select("INBOX") {
Ok(mailbox) => println!("{}", mailbox),
Err(e) => println!("Error selecting INBOX: {}", e),
};
match imap_socket.fetch("2", "body[text]") {
Ok(lines) => {
for line in lines.iter() {
print!("{}", line);
}
}
Err(e) => println!("Error Fetching email 2: {}", e),
};
imap_socket.logout().unwrap();
}