backend/src/email.rs

   1 use derive_more::Display;
   2 use lettre::{transport::smtp::authentication::Credentials, Message, SmtpTransport, Transport};
   3 use std::time::Duration;
   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(
  33     site_url: &str,
  34     email: &str,
  35     token: &str,
  36     smtp_login: &str,
  37     smtp_password: &str,
  38 ) -> Result<(), Error> {
  39     let email = Message::builder()
  40         .message_id(None)
  41         .from("recipes@gburri.org".parse()?)
  42         .to(email.parse()?)
  43         .subject("Recipes.gburri.org account validation")
  44         .body(format!(
  45             "Follow this link to confirm your inscription: {}/validation?token={}",
  46             site_url, token
  47         ))?;
  48
  49     let credentials = Credentials::new(smtp_login.to_string(), smtp_password.to_string());
  50
  51     let mailer = SmtpTransport::relay("mail.gandi.net")?
  52         .credentials(credentials)
  53         .timeout(Some(consts::SEND_EMAIL_TIMEOUT))
  54         .build();
  55
  56     if let Err(error) = mailer.send(&email) {
  57         eprintln!("Error when sending E-mail:\n{:?}", &error);
  58     }
  59
  60     Ok(())
  61 }