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https://github.com/LemmyNet/lemmy.git
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462c4a2954
* A first attempt at using deser-hjson. Fixes #1270 * Trying to fix tests, try 1 * Trying to fix tests, try 2 * A few fixes to deser_hjson - Removing unwrap_or_defaults, using impl functions. - Reorganized settings * Make clippy happy * hjson list strings must be quoted. * Adding support for env vars. * Moving to structs and defaults file. * Moving settings default and struct.
97 lines
2.6 KiB
Rust
97 lines
2.6 KiB
Rust
use crate::settings::structs::Settings;
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use lettre::{
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message::{header, Mailbox, MultiPart, SinglePart},
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transport::smtp::{
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authentication::Credentials,
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client::{Tls, TlsParameters},
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extension::ClientId,
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},
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Address,
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Message,
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SmtpTransport,
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Transport,
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};
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use std::str::FromStr;
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pub fn send_email(
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subject: &str,
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to_email: &str,
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to_username: &str,
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html: &str,
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) -> Result<(), String> {
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let email_config = Settings::get().email().ok_or("no_email_setup")?;
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let domain = Settings::get().hostname();
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let (smtp_server, smtp_port) = {
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let email_and_port = email_config.smtp_server.split(':').collect::<Vec<&str>>();
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(
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email_and_port[0],
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email_and_port[1]
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.parse::<u16>()
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.expect("email needs a port"),
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)
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};
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let email = Message::builder()
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.from(
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email_config
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.smtp_from_address
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.parse()
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.expect("email from address isn't valid"),
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)
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.to(Mailbox::new(
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Some(to_username.to_string()),
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Address::from_str(to_email).expect("email to address isn't valid"),
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))
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.subject(subject)
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.multipart(
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MultiPart::mixed().multipart(
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MultiPart::alternative()
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.singlepart(
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SinglePart::builder()
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.header(header::ContentType(
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"text/plain; charset=utf8"
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.parse()
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.expect("email could not parse header"),
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))
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.body(html.to_string()),
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)
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.multipart(
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MultiPart::related().singlepart(
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SinglePart::builder()
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.header(header::ContentType(
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"text/html; charset=utf8"
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.parse()
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.expect("email could not parse header"),
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))
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.body(html.to_string()),
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),
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),
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),
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)
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.expect("email built incorrectly");
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// don't worry about 'dangeous'. it's just that leaving it at the default configuration
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// is bad.
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let mut builder = SmtpTransport::builder_dangerous(smtp_server).port(smtp_port);
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// Set the TLS
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if email_config.use_tls {
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let tls_config = TlsParameters::new(smtp_server.to_string()).expect("the TLS backend is happy");
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builder = builder.tls(Tls::Wrapper(tls_config));
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}
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// Set the creds if they exist
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if let (Some(username), Some(password)) = (email_config.smtp_login, email_config.smtp_password) {
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builder = builder.credentials(Credentials::new(username, password));
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}
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let mailer = builder.hello_name(ClientId::Domain(domain)).build();
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let result = mailer.send(&email);
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match result {
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Ok(_) => Ok(()),
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Err(e) => Err(e.to_string()),
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}
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}
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