Generate reset password URL

geneit_backend/src/services/mail_service.rs

@@ -0,0 +1,33 @@
+use crate::app_config::AppConfig;
+use lettre::message::header::ContentType;
+use lettre::transport::smtp::authentication::Credentials;
+use lettre::{Message, SmtpTransport, Transport};
+use std::fmt::Display;
+
+pub async fn send_mail<D: Display>(to: &str, subject: &str, body: D) -> anyhow::Result<()> {
+    let conf = AppConfig::get();
+
+    let email = Message::builder()
+        .from(conf.mail_sender.parse()?)
+        .to(to.parse()?)
+        .subject(subject)
+        .header(ContentType::TEXT_PLAIN)
+        .body(body.to_string())?;
+
+    let mut mailer = match conf.smtp_tls {
+        true => SmtpTransport::relay(&conf.smtp_relay)?,
+        false => SmtpTransport::builder_dangerous(&conf.smtp_relay),
+    }
+    .port(conf.smtp_port);
+
+    if let (Some(username), Some(password)) = (&conf.smtp_username, &conf.smtp_password) {
+        mailer = mailer.credentials(Credentials::new(username.to_string(), password.to_string()))
+    }
+
+    let mailer = mailer.build();
+
+    mailer.send(&email)?;
+    log::debug!("A mail was sent to {} (subject = {})", to, subject);
+
+    Ok(())
+}