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Merge pull request #1137 from BlackDex/smtp-multi-auth-mechanism

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Allow multiple SMTP Auth meganisms.
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Daniel García 2020-09-13 15:09:58 +02:00 • committed by GitHub
commit 3c377d97dc
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3 changed files with 24 additions and 11 deletions
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4
src/config.rs
View file

@ -400,7 +400,7 @@ make_config! {
smtp_username: String, true, option;
/// Password
smtp_password: Pass, true, option;
/// Json form auth mechanism |> Defaults for ssl is "Plain" and "Login" and nothing for non-ssl connections. Possible values: ["Plain", "Login", "Xoauth2"]
/// Json form auth mechanism |> Defaults for ssl is "Plain" and "Login" and nothing for non-ssl connections. Possible values: ["Plain", "Login", "Xoauth2"]. Multiple options need to be separated by a comma.
smtp_auth_mechanism: String, true, option;
/// SMTP connection timeout |> Number of seconds when to stop trying to connect to the SMTP server
smtp_timeout: u64, true, def, 15;
@ -428,7 +428,7 @@ fn validate_config(cfg: &ConfigItems) -> Result<(), Error> {
let dom = cfg.domain.to_lowercase();
if !dom.starts_with("http://") && !dom.starts_with("https://") {
err!("DOMAIN variable needs to contain the protocol (http, https). Use 'http[s]://bw.example.com' instead of 'bw.example.com'");
err!("DOMAIN variable needs to contain the protocol (http, https). Use 'http[s]://bw.example.com' instead of 'bw.example.com'");
}
let whitelist = &cfg.signups_domains_whitelist;

20
src/mail.rs
View file

@ -49,12 +49,22 @@ fn mailer() -> SmtpTransport {
let smtp_client = match CONFIG.smtp_auth_mechanism() {
Some(mechanism) => {
let correct_mechanism = format!("\"{}\"", crate::util::upcase_first(mechanism.trim_matches('"')));
let allowed_mechanisms = vec![SmtpAuthMechanism::Plain, SmtpAuthMechanism::Login, SmtpAuthMechanism::Xoauth2];
let mut selected_mechanisms = vec![];
for wanted_mechanism in mechanism.split(',') {
for m in &allowed_mechanisms {
if m.to_string().to_lowercase() == wanted_mechanism.trim_matches(|c| c == '"' || c == '\'' || c == ' ').to_lowercase() {
selected_mechanisms.push(m.clone());
}
}
};
// TODO: Allow more than one mechanism
match serde_json::from_str::<SmtpAuthMechanism>(&correct_mechanism) {
Ok(auth_mechanism) => smtp_client.authentication(vec![auth_mechanism]),
_ => panic!("Failure to parse mechanism. Is it proper Json? Eg. `\"Plain\"` not `Plain`"),
if !selected_mechanisms.is_empty() {
smtp_client.authentication(selected_mechanisms)
} else {
// Only show a warning, and return without setting an actual authentication mechanism
warn!("No valid SMTP Auth mechanism found for '{}', using default values", mechanism);
smtp_client
}
}
_ => smtp_client,