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Improve mail system

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This commit is contained in:
Delta1925 2023-04-14 14:23:28 +02:00
parent 9c35f4adef
commit 1a85cb77fa
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GPG key ID: 1C21ACE44193CB25
3 changed files with 28 additions and 25 deletions
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27
src/confirmation.rs
View file

@ -3,12 +3,11 @@ use chrono::Utc;
use crate::errors::Error;
use crate::management::{delete_key, Action, Pending};
use crate::pending_path;
use crate::settings::{SMTPEncryption, SETTINGS};
use crate::settings::{MAILER, SETTINGS};
use crate::utils::{get_email_from_cert, parse_pem};
use crate::PENDING_FOLDER;
use lettre::transport::smtp::authentication::Credentials;
use lettre::{Message, SmtpTransport, Transport};
use lettre::{Message, Transport};
use std::fs;
use std::path::Path;
@ -59,7 +58,6 @@ pub fn confirm_action(token: &str) -> Result<(), Error> {
}
pub fn send_confirmation_email(email: &str, action: &Action, token: &str) -> Result<(), Error> {
println!("Sending mail, token: {}", &token);
let email = Message::builder()
.from(match SETTINGS.mail_settings.mail_from.parse() {
Ok(mailbox) => mailbox,
@ -71,28 +69,13 @@ pub fn send_confirmation_email(email: &str, action: &Action, token: &str) -> Res
})
.subject(&SETTINGS.mail_settings.mail_subject)
.body(format!("{action} - {token}"));
let message = match email {
Ok(message) => message,
Err(_) => return Err(Error::MailGeneration),
};
let creds = Credentials::new(
SETTINGS.mail_settings.smtp_username.to_owned(),
SETTINGS.mail_settings.smtp_password.to_owned(),
);
let builder = match &SETTINGS.mail_settings.smtp_tls {
SMTPEncryption::Tls => SmtpTransport::relay(&SETTINGS.mail_settings.smtp_host),
SMTPEncryption::Starttls => {
SmtpTransport::starttls_relay(&SETTINGS.mail_settings.smtp_host)
}
};
let mailer = match builder {
Ok(builder) => builder,
Err(_) => return Err(Error::SmtpBuilder),
}
.credentials(creds)
.port(SETTINGS.mail_settings.smtp_port)
.build();
match mailer.send(&message) {
match MAILER.send(&message) {
Ok(_) => Ok(()),
Err(_) => Err(Error::SendMail),
}

2
src/errors.rs
View file

@ -15,8 +15,6 @@ pub enum Error {
MissingMail,
#[error("EE1: Error while sending the E-Mail")]
SendMail,
#[error("EE2: Error while building the SMTP connection")]
SmtpBuilder,
#[error("ES1: rror while serializing data")]
SerializeData,
#[error("ES2: Error while deserializing data")]

24
src/settings.rs
View file

@ -1,3 +1,4 @@
use lettre::{transport::smtp::authentication::Credentials, SmtpTransport};
use once_cell::sync::Lazy;
use sequoia_net::wkd::Variant;
use serde::{Deserialize, Serialize};
@ -40,7 +41,7 @@ pub enum SMTPEncryption {
}
fn get_settings() -> Settings {
println!("Reaing settings...");
println!("Reading settings...");
let content = match fs::read_to_string("wkd.toml") {
Ok(content) => content,
Err(_) => panic!("Unable to access settings file!"),
@ -51,4 +52,25 @@ fn get_settings() -> Settings {
}
}
fn get_mailer() -> SmtpTransport {
let creds = Credentials::new(
SETTINGS.mail_settings.smtp_username.to_owned(),
SETTINGS.mail_settings.smtp_password.to_owned(),
);
let builder = match &SETTINGS.mail_settings.smtp_tls {
SMTPEncryption::Tls => SmtpTransport::relay(&SETTINGS.mail_settings.smtp_host),
SMTPEncryption::Starttls => {
SmtpTransport::starttls_relay(&SETTINGS.mail_settings.smtp_host)
}
};
match builder {
Ok(builder) => builder,
Err(_) => panic!("Unable to set up smtp"),
}
.credentials(creds)
.port(SETTINGS.mail_settings.smtp_port)
.build()
}
pub static SETTINGS: Lazy<Settings> = Lazy::new(get_settings);
pub static MAILER: Lazy<SmtpTransport> = Lazy::new(get_mailer);