backend/src/email.rs

   1 use std::time::Duration;
   2 use derive_more::Display;
   3 use lettre::{transport::smtp::authentication::Credentials, Message, SmtpTransport, Transport};
   4
   5 use crate::consts;
   6
   7 #[derive(Debug, Display)]
   8 pub enum Error {
   9     ParseError(lettre::address::AddressError),
  10     SmtpError(lettre::transport::smtp::Error),
  11     Email(lettre::error::Error),
  12 }
  13
  14 impl From<lettre::address::AddressError> for Error {
  15     fn from(error: lettre::address::AddressError) -> Self {
  16         Error::ParseError(error)
  17     }
  18 }
  19
  20 impl From<lettre::transport::smtp::Error> for Error {
  21     fn from(error: lettre::transport::smtp::Error) -> Self {
  22         Error::SmtpError(error)
  23     }
  24 }
  25
  26 impl From<lettre::error::Error> for Error {
  27     fn from(error: lettre::error::Error) -> Self {
  28         Error::Email(error)
  29     }
  30 }
  31
  32 pub fn send_validation(site_url: &str, email: &str, token: &str, smtp_login: &str, smtp_password: &str) -> Result<(), Error> {
  33     let email = Message::builder()
  34         .message_id(None)
  35         .from("recipes@gburri.org".parse()?)
  36         .to(email.parse()?)
  37         .subject("Recipes.gburri.org account validation")
  38         .body(format!("Follow this link to confirm your inscription: {}/validation?token={}", site_url, token))?;
  39
  40     let credentials = Credentials::new(smtp_login.to_string(), smtp_password.to_string());
  41
  42     let mailer = SmtpTransport::relay("mail.gandi.net")?.credentials(credentials).timeout(Some(consts::SEND_EMAIL_TIMEOUT)).build();
  43
  44     if let Err(error) = mailer.send(&email) {
  45         eprintln!("Error when sending E-mail:\n{:?}", &error);
  46     }
  47
  48     Ok(())
  49 }