vaultwarden/src/mail.rs

140 lines
4.2 KiB
Rust
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use lettre::smtp::authentication::Credentials;
use lettre::smtp::ConnectionReuseParameters;
use lettre::{ClientSecurity, ClientTlsParameters, SmtpClient, SmtpTransport, Transport};
use lettre_email::EmailBuilder;
use native_tls::{Protocol, TlsConnector};
use crate::api::EmptyResult;
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use crate::auth::{encode_jwt, generate_invite_claims};
use crate::error::Error;
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use crate::MailConfig;
use crate::CONFIG;
fn mailer(config: &MailConfig) -> SmtpTransport {
let client_security = if config.smtp_ssl {
let tls = TlsConnector::builder()
.min_protocol_version(Some(Protocol::Tlsv11))
.build()
.unwrap();
ClientSecurity::Required(ClientTlsParameters::new(config.smtp_host.clone(), tls))
} else {
ClientSecurity::None
};
let smtp_client = SmtpClient::new((config.smtp_host.as_str(), config.smtp_port), client_security).unwrap();
let smtp_client = match (&config.smtp_username, &config.smtp_password) {
(Some(user), Some(pass)) => smtp_client.credentials(Credentials::new(user.clone(), pass.clone())),
_ => smtp_client,
};
smtp_client
.smtp_utf8(true)
.connection_reuse(ConnectionReuseParameters::NoReuse)
.transport()
}
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fn get_text(template_name: &'static str, data: serde_json::Value) -> Result<(String, String), Error> {
let text = CONFIG.render_template(template_name, &data)?;
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let mut text_split = text.split("<!---------------->");
let subject = match text_split.next() {
Some(s) => s.trim().to_string(),
None => err!("Template doesn't contain subject"),
};
let body = match text_split.next() {
Some(s) => s.trim().to_string(),
None => err!("Template doesn't contain body"),
};
Ok((subject, body))
}
pub fn send_password_hint(address: &str, hint: Option<String>, config: &MailConfig) -> EmptyResult {
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let template_name = if hint.is_some() {
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"email/pw_hint_some"
} else {
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"email/pw_hint_none"
};
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let (subject, body) = get_text(template_name, json!({ "hint": hint }))?;
send_email(&address, &subject, &body, &config)
}
pub fn send_invite(
address: &str,
uuid: &str,
org_id: Option<String>,
org_user_id: Option<String>,
org_name: &str,
invited_by_email: Option<String>,
config: &MailConfig,
) -> EmptyResult {
let claims = generate_invite_claims(
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uuid.to_string(),
String::from(address),
org_id.clone(),
org_user_id.clone(),
invited_by_email.clone(),
);
let invite_token = encode_jwt(&claims);
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let (subject, body) = get_text(
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"email/send_org_invite",
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json!({
"url": CONFIG.domain,
"org_id": org_id.unwrap_or("_".to_string()),
"org_user_id": org_user_id.unwrap_or("_".to_string()),
"email": address,
"org_name": org_name,
"token": invite_token,
}),
)?;
send_email(&address, &subject, &body, &config)
}
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pub fn send_invite_accepted(new_user_email: &str, address: &str, org_name: &str, config: &MailConfig) -> EmptyResult {
let (subject, body) = get_text(
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"email/invite_accepted",
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json!({
"url": CONFIG.domain,
"email": new_user_email,
"org_name": org_name,
}),
)?;
send_email(&address, &subject, &body, &config)
}
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pub fn send_invite_confirmed(address: &str, org_name: &str, config: &MailConfig) -> EmptyResult {
let (subject, body) = get_text(
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"email/invite_confirmed",
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json!({
"url": CONFIG.domain,
"org_name": org_name,
}),
)?;
send_email(&address, &subject, &body, &config)
}
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fn send_email(address: &str, subject: &str, body: &str, config: &MailConfig) -> EmptyResult {
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let email = EmailBuilder::new()
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.to(address)
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.from((config.smtp_from.clone(), config.smtp_from_name.clone()))
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.subject(subject)
.header(("Content-Type", "text/html"))
.body(body)
.build()
.map_err(|e| Error::new("Error building email", e.to_string()))?;
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mailer(config)
.send(email.into())
.map_err(|e| Error::new("Error sending email", e.to_string()))
.and(Ok(()))
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}