147 lines
4.6 KiB
Rust
147 lines
4.6 KiB
Rust
use std::io::Write;
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use std::path::PathBuf;
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use std::sync::Arc;
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use anyhow::Result;
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use futures::try_join;
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use log::*;
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use tokio::sync::watch;
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use crate::auth;
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use crate::config::*;
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use crate::dav;
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use crate::imap;
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use crate::lmtp::*;
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use crate::login::ArcLoginProvider;
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use crate::login::{demo_provider::*, ldap_provider::*, static_provider::*};
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pub struct Server {
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lmtp_server: Option<Arc<LmtpServer>>,
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imap_unsecure_server: Option<imap::Server>,
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imap_server: Option<imap::Server>,
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auth_server: Option<auth::AuthServer>,
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dav_unsecure_server: Option<dav::Server>,
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pid_file: Option<PathBuf>,
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}
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impl Server {
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pub async fn from_companion_config(config: CompanionConfig) -> Result<Self> {
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tracing::info!("Init as companion");
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let login = Arc::new(StaticLoginProvider::new(config.users).await?);
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let lmtp_server = None;
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let imap_unsecure_server = Some(imap::new_unsecure(config.imap, login.clone()));
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Ok(Self {
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lmtp_server,
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imap_unsecure_server,
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imap_server: None,
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auth_server: None,
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dav_unsecure_server: None,
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pid_file: config.pid,
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})
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}
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pub async fn from_provider_config(config: ProviderConfig) -> Result<Self> {
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tracing::info!("Init as provider");
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let login: ArcLoginProvider = match config.users {
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UserManagement::Demo => Arc::new(DemoLoginProvider::new()),
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UserManagement::Static(x) => Arc::new(StaticLoginProvider::new(x).await?),
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UserManagement::Ldap(x) => Arc::new(LdapLoginProvider::new(x)?),
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};
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let lmtp_server = config.lmtp.map(|lmtp| LmtpServer::new(lmtp, login.clone()));
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let imap_unsecure_server = config
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.imap_unsecure
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.map(|imap| imap::new_unsecure(imap, login.clone()));
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let imap_server = config
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.imap
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.map(|imap| imap::new(imap, login.clone()))
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.transpose()?;
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let auth_server = config
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.auth
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.map(|auth| auth::AuthServer::new(auth, login.clone()));
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let dav_unsecure_server = config
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.dav_unsecure
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.map(|dav_config| dav::new_unsecure(dav_config, login.clone()));
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Ok(Self {
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lmtp_server,
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imap_unsecure_server,
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imap_server,
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dav_unsecure_server,
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auth_server,
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pid_file: config.pid,
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})
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}
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pub async fn run(self) -> Result<()> {
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let pid = std::process::id();
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tracing::info!(pid = pid, "Starting main loops");
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// write the pid file
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if let Some(pid_file) = self.pid_file {
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let mut file = std::fs::OpenOptions::new()
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.write(true)
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.create(true)
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.truncate(true)
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.open(pid_file)?;
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file.write_all(pid.to_string().as_bytes())?;
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drop(file);
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}
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let (exit_signal, provoke_exit) = watch_ctrl_c();
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let _exit_on_err = move |err: anyhow::Error| {
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error!("Error: {}", err);
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let _ = provoke_exit.send(true);
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};
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try_join!(
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async {
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match self.lmtp_server.as_ref() {
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None => Ok(()),
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Some(s) => s.run(exit_signal.clone()).await,
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}
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},
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async {
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match self.imap_unsecure_server {
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None => Ok(()),
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Some(s) => s.run(exit_signal.clone()).await,
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}
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},
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async {
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match self.imap_server {
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None => Ok(()),
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Some(s) => s.run(exit_signal.clone()).await,
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}
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},
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async {
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match self.auth_server {
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None => Ok(()),
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Some(a) => a.run(exit_signal.clone()).await,
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}
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},
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async {
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match self.dav_unsecure_server {
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None => Ok(()),
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Some(s) => s.run(exit_signal.clone()).await,
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}
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}
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)?;
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Ok(())
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}
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}
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pub fn watch_ctrl_c() -> (watch::Receiver<bool>, Arc<watch::Sender<bool>>) {
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let (send_cancel, watch_cancel) = watch::channel(false);
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let send_cancel = Arc::new(send_cancel);
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let send_cancel_2 = send_cancel.clone();
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tokio::spawn(async move {
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tokio::signal::ctrl_c()
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.await
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.expect("failed to install CTRL+C signal handler");
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info!("Received CTRL+C, shutting down.");
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send_cancel.send(true).unwrap();
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});
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(watch_cancel, send_cancel_2)
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}
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