mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-11-22 14:45:10 +00:00
92 lines
2.6 KiB
Rust
92 lines
2.6 KiB
Rust
use crate::{
|
|
error::{LemmyErrorExt, LemmyErrorType, LemmyResult},
|
|
settings::structs::Settings,
|
|
};
|
|
use html2text;
|
|
use lettre::{
|
|
message::{Mailbox, MultiPart},
|
|
transport::smtp::{authentication::Credentials, extension::ClientId},
|
|
Address,
|
|
AsyncTransport,
|
|
Message,
|
|
};
|
|
use std::str::FromStr;
|
|
use uuid::Uuid;
|
|
|
|
pub mod translations {
|
|
rosetta_i18n::include_translations!();
|
|
}
|
|
|
|
type AsyncSmtpTransport = lettre::AsyncSmtpTransport<lettre::Tokio1Executor>;
|
|
|
|
pub async fn send_email(
|
|
subject: &str,
|
|
to_email: &str,
|
|
to_username: &str,
|
|
html: &str,
|
|
settings: &Settings,
|
|
) -> LemmyResult<()> {
|
|
let email_config = settings.email.clone().ok_or(LemmyErrorType::NoEmailSetup)?;
|
|
let domain = settings.hostname.clone();
|
|
|
|
let (smtp_server, smtp_port) = {
|
|
let email_and_port = email_config.smtp_server.split(':').collect::<Vec<&str>>();
|
|
let email = *email_and_port
|
|
.first()
|
|
.ok_or(LemmyErrorType::MissingAnEmail)?;
|
|
let port = email_and_port
|
|
.get(1)
|
|
.ok_or(LemmyErrorType::EmailSmtpServerNeedsAPort)?
|
|
.parse::<u16>()?;
|
|
|
|
(email, port)
|
|
};
|
|
|
|
// use usize::MAX as the line wrap length, since lettre handles the wrapping for us
|
|
let plain_text = html2text::from_read(html.as_bytes(), usize::MAX);
|
|
|
|
let email = Message::builder()
|
|
.from(
|
|
email_config
|
|
.smtp_from_address
|
|
.parse()
|
|
.expect("email from address isn't valid"),
|
|
)
|
|
.to(Mailbox::new(
|
|
Some(to_username.to_string()),
|
|
Address::from_str(to_email).expect("email to address isn't valid"),
|
|
))
|
|
.message_id(Some(format!("<{}@{}>", Uuid::new_v4(), settings.hostname)))
|
|
.subject(subject)
|
|
.multipart(MultiPart::alternative_plain_html(
|
|
plain_text,
|
|
html.to_string(),
|
|
))
|
|
.expect("email built incorrectly");
|
|
|
|
// don't worry about 'dangeous'. it's just that leaving it at the default configuration
|
|
// is bad.
|
|
|
|
// Set the TLS
|
|
let mut builder = match email_config.tls_type.as_str() {
|
|
"starttls" => AsyncSmtpTransport::starttls_relay(smtp_server)?.port(smtp_port),
|
|
"tls" => AsyncSmtpTransport::relay(smtp_server)?.port(smtp_port),
|
|
_ => AsyncSmtpTransport::builder_dangerous(smtp_server).port(smtp_port),
|
|
};
|
|
|
|
// Set the creds if they exist
|
|
let smtp_password = email_config.smtp_password();
|
|
if let (Some(username), Some(password)) = (email_config.smtp_login, smtp_password) {
|
|
builder = builder.credentials(Credentials::new(username, password));
|
|
}
|
|
|
|
let mailer = builder.hello_name(ClientId::Domain(domain)).build();
|
|
|
|
mailer
|
|
.send(email)
|
|
.await
|
|
.with_lemmy_type(LemmyErrorType::EmailSendFailed)?;
|
|
|
|
Ok(())
|
|
}
|