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Allow multiple SMTP Auth meganisms.

- Allow all SMTP Auth meganisms supported by Lettre.
- The config value order is leading and values can be separated by a
  comma ','
- Case doesn't matter, and invalid values are ignored.
- Warning is printed when no valid value is found at all.
Dieser Commit ist enthalten in:
BlackDex 2020-09-12 21:47:24 +02:00
Ursprung a0d92a167c
Commit c877583979
3 geänderte Dateien mit 24 neuen und 11 gelöschten Zeilen

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@ -210,6 +210,9 @@
# SMTP_EXPLICIT_TLS=true # N.B. This variable configures Implicit TLS. It's currently mislabelled (see bug #851) # SMTP_EXPLICIT_TLS=true # N.B. This variable configures Implicit TLS. It's currently mislabelled (see bug #851)
# SMTP_USERNAME=username # SMTP_USERNAME=username
# SMTP_PASSWORD=password # SMTP_PASSWORD=password
## 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="Plain" # SMTP_AUTH_MECHANISM="Plain"
# SMTP_TIMEOUT=15 # SMTP_TIMEOUT=15

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@ -400,7 +400,7 @@ make_config! {
smtp_username: String, true, option; smtp_username: String, true, option;
/// Password /// Password
smtp_password: Pass, true, option; 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_auth_mechanism: String, true, option;
/// SMTP connection timeout |> Number of seconds when to stop trying to connect to the SMTP server /// SMTP connection timeout |> Number of seconds when to stop trying to connect to the SMTP server
smtp_timeout: u64, true, def, 15; smtp_timeout: u64, true, def, 15;

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@ -55,12 +55,22 @@ fn mailer() -> SmtpTransport {
let smtp_client = match CONFIG.smtp_auth_mechanism() { let smtp_client = match CONFIG.smtp_auth_mechanism() {
Some(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 if !selected_mechanisms.is_empty() {
match serde_json::from_str::<SmtpAuthMechanism>(&correct_mechanism) { smtp_client.authentication(selected_mechanisms)
Ok(auth_mechanism) => smtp_client.authentication(vec![auth_mechanism]), } else {
_ => panic!("Failure to parse mechanism. Is it proper Json? Eg. `\"Plain\"` not `Plain`"), // 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, _ => smtp_client,