134 lines
4.2 KiB
Rust
134 lines
4.2 KiB
Rust
use anyhow::{bail, Result};
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use std::sync::Arc;
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use rusoto_signature::Region;
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use crate::config::*;
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use crate::login::{ldap_provider::*, static_provider::*, *};
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use crate::mailbox::Mailbox;
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use boitalettres::proto::{Request, Response};
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use boitalettres::server::accept::addr::{AddrIncoming, AddrStream};
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use boitalettres::server::Server as ImapServer;
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use std::pin::Pin;
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use std::task::{Context, Poll};
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use tower::Service;
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use futures::future::BoxFuture;
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pub struct Connection {
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pub login_provider: Arc<Box<dyn LoginProvider + Send + Sync>>,
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}
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impl Service<Request> for Connection {
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type Response = Response;
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type Error = anyhow::Error;
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type Future = BoxFuture<'static, Result<Self::Response>>;
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fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
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Poll::Ready(Ok(()))
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}
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fn call(&mut self, req: Request) -> Self::Future {
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tracing::debug!("Got request: {:#?}", req);
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Box::pin(async move {
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use imap_codec::types::{
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command::CommandBody,
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response::{Capability, Data},
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};
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let r = match req.body {
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CommandBody::Capability => {
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let capabilities = vec![Capability::Imap4Rev1, Capability::Idle];
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let body = vec![Data::Capability(capabilities)];
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Response::ok(
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"Pre-login capabilities listed, post-login capabilities have more.",
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)?
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.with_body(body)
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}
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CommandBody::Login {
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username: _,
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password: _,
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} => Response::ok("Logged in")?,
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_ => Response::bad("Error in IMAP command received by server.")?,
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};
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Ok(r)
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})
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}
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}
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impl Connection {
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pub fn new(login_provider: Arc<Box<dyn LoginProvider + Send + Sync>>) -> Self {
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Self { login_provider: login_provider }
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}
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}
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pub struct Instance {
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pub login_provider: Arc<Box<dyn LoginProvider + Send + Sync>>,
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}
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impl<'a> Service<&'a AddrStream> for Instance {
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type Response = Connection;
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type Error = anyhow::Error;
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type Future = BoxFuture<'static, Result<Self::Response>>;
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fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
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Poll::Ready(Ok(()))
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}
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fn call(&mut self, addr: &'a AddrStream) -> Self::Future {
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tracing::info!(remote_addr = %addr.remote_addr, local_addr = %addr.local_addr, "accept");
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let lp = self.login_provider.clone();
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Box::pin(async move {
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Ok(Connection::new(lp))
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})
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}
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}
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impl Instance {
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pub fn new(config: Config) -> Result<Self> {
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let s3_region = Region::Custom {
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name: config.aws_region.clone(),
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endpoint: config.s3_endpoint,
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};
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let k2v_region = Region::Custom {
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name: config.aws_region,
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endpoint: config.k2v_endpoint,
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};
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let login_provider: Arc<Box<dyn LoginProvider + Send + Sync>> = match (config.login_static, config.login_ldap)
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{
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(Some(st), None) => Arc::new(Box::new(StaticLoginProvider::new(st, k2v_region, s3_region)?)),
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(None, Some(ld)) => Arc::new(Box::new(LdapLoginProvider::new(ld, k2v_region, s3_region)?)),
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(Some(_), Some(_)) => bail!("A single login provider must be set up in config file"),
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(None, None) => bail!("No login provider is set up in config file"),
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};
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Ok(Self { login_provider })
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}
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}
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pub struct Server {
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pub incoming: AddrIncoming,
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pub instance: Instance,
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}
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impl Server {
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pub async fn new(config: Config) -> Result<Self> {
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Ok(Self {
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incoming: AddrIncoming::new("127.0.0.1:4567").await?,
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instance: Instance::new(config)?,
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})
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}
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pub async fn run(self: Self) -> Result<()> {
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let server = ImapServer::new(self.incoming).serve(self.instance);
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let _ = server.await?;
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/*let creds = self.login_provider.login("quentin", "poupou").await?;
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let mut mailbox = Mailbox::new(&creds, "TestMailbox".to_string()).await?;
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mailbox.test().await?;*/
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Ok(())
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}
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}
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