server: Send an email for password resets

server/src/infra/mail.rs

@@ -6,7 +6,7 @@ use lettre::{
 };
 use log::debug;
 
-pub fn send_test_email(to: Mailbox, options: &MailOptions) -> Result<()> {
+fn send_email(to: Mailbox, subject: &str, body: String, options: &MailOptions) -> Result<()> {
     let from = options
         .from
         .clone()
@@ -20,8 +20,8 @@ pub fn send_test_email(to: Mailbox, options: &MailOptions) -> Result<()> {
         .from(from)
         .reply_to(reply_to)
         .to(to)
-        .subject("LLDAP test email")
-        .body("The test is successful! You can send emails from LLDAP".to_string())?;
+        .subject(subject)
+        .body(body)?;
     let creds = Credentials::new(
         options.user.clone(),
         options.password.unsecure().to_string(),
@@ -32,3 +32,34 @@ pub fn send_test_email(to: Mailbox, options: &MailOptions) -> Result<()> {
     mailer.send(&email)?;
     Ok(())
 }
+
+pub fn send_password_reset_email(
+    username: &str,
+    to: &str,
+    token: &str,
+    domain: &str,
+    options: &MailOptions,
+) -> Result<()> {
+    let to = to.parse()?;
+    let body = format!(
+        "Hello {},
+This email has been sent to you in order to validate your identity.
+If you did not initiate the process your credentials might have been
+compromised. You should reset your password and contact an administrator.
+
+To reset your password please visit the following URL: {}/reset-password/step2/{}
+
+Please contact an administrator if you did not initiate the process.",
+        username, domain, token
+    );
+    send_email(to, "[LLDAP] Password reset requested", body, options)
+}
+
+pub fn send_test_email(to: Mailbox, options: &MailOptions) -> Result<()> {
+    send_email(
+        to,
+        "LLDAP test email",
+        "The test is successful! You can send emails from LLDAP".to_string(),
+        options,
+    )
+}