set up imap connection

src/config.rs

@@ -7,18 +7,36 @@ use toml;
 
 #[derive(Debug, Deserialize)]
 pub struct ServerInfo {
-    host: String,
-    port: usize,
-    login: String,
-    password: String,
+    pub host: String,
+    pub port: u16,
+    pub login: String,
+    pub password: String,
+}
+
+impl ServerInfo {
+    pub fn get_host(&self) -> &str {
+        &self.host[..]
+    }
+
+    pub fn get_addr(&self) -> (&str, u16) {
+        (&self.host[..], self.port)
+    }
+
+    pub fn get_login(&self) -> &str {
+        &self.login[..]
+    }
+
+    pub fn get_password(&self) -> &str {
+        &self.password[..]
+    }
 }
 
 #[derive(Debug, Deserialize)]
 pub struct Config {
-    name: String,
-    email: String,
-    imap: ServerInfo,
-    smtp: ServerInfo,
+    pub name: String,
+    pub email: String,
+    pub imap: ServerInfo,
+    pub smtp: ServerInfo,
 }
 
 pub fn from_xdg() -> Option<PathBuf> {

src/imap.rs

@@ -0,0 +1,45 @@
+use imap;
+use native_tls::{TlsConnector, TlsStream};
+use std::net::TcpStream;
+
+use crate::config::{Config, ServerInfo};
+
+type ImapClient = imap::Client<TlsStream<TcpStream>>;
+type ImapSession = imap::Session<TlsStream<TcpStream>>;
+
+pub fn create_tls_connector() -> TlsConnector {
+    match native_tls::TlsConnector::new() {
+        Ok(connector) => connector,
+        Err(err) => {
+            println!("The TLS connector could not be created.");
+            panic!(err);
+        }
+    }
+}
+
+pub fn create_imap_client(server: &ServerInfo, tls: &TlsConnector) -> ImapClient {
+    match imap::connect(server.get_addr(), server.get_host(), &tls) {
+        Ok(client) => client,
+        Err(err) => {
+            println!("The IMAP socket could not be opened.");
+            panic!(err);
+        }
+    }
+}
+
+pub fn create_imap_sess(client: ImapClient, server: &ServerInfo) -> ImapSession {
+    match client.login(server.get_login(), server.get_password()) {
+        Ok(sess) => sess,
+        Err((err, _)) => {
+            println!("The IMAP connection could not be established.");
+            panic!(err);
+        }
+    }
+}
+
+pub fn login(config: &Config) -> ImapSession {
+    let tls = create_tls_connector();
+    let client = create_imap_client(&config.imap, &tls);
+    let sess = create_imap_sess(client, &config.imap);
+    sess
+}

src/main.rs

@@ -1,5 +1,8 @@
 mod config;
+mod imap;
 
 fn main() {
-    println!("{:?}", config::read_file());
+    let config = config::read_file();
+    let sess = imap::login(&config);
+    println!("{:?}", sess);
 }