bitwarden_rs/src/mail.rs

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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};
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use crate::MailConfig;
use crate::api::EmptyResult;
use crate::error::Error;
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()
}
pub fn send_password_hint(address: &str, hint: Option<String>, config: &MailConfig) -> EmptyResult {
let (subject, body) = if let Some(hint) = hint {
(
"Your master password hint",
format!(
"You (or someone) recently requested your master password hint.\n\n\
Your hint is: \"{}\"\n\n\
If you did not request your master password hint you can safely ignore this email.\n",
hint
),
)
} else {
(
"Sorry, you have no password hint...",
"Sorry, you have not specified any password hint...\n".into(),
)
};
let email = EmailBuilder::new()
.to(address)
.from((config.smtp_from.clone(), "Bitwarden-rs"))
.subject(subject)
.body(body)
.build()
.map_err(|e| Error::new("Error building hint email", e.to_string()))?;
mailer(config)
.send(email.into())
.map_err(|e| Error::new("Error sending hint email", e.to_string()))
.and(Ok(()))
}
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pub fn send_email(address: &str, subject: &str, body: &str, config: &MailConfig) -> EmptyResult {
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let email = EmailBuilder::new()
.to(address)
.from((config.smtp_from.clone(), "Bitwarden-rs"))
.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(()))
}