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-rw-r--r--aero-proto/src/dav/mod.rs822
1 files changed, 822 insertions, 0 deletions
diff --git a/aero-proto/src/dav/mod.rs b/aero-proto/src/dav/mod.rs
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+++ b/aero-proto/src/dav/mod.rs
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+mod middleware;
+mod codec;
+
+use std::net::SocketAddr;
+use std::sync::Arc;
+
+use anyhow::{anyhow, bail, Result};
+use hyper::service::service_fn;
+use hyper::{Request, Response, body::Bytes};
+use hyper::server::conn::http1 as http;
+use hyper::rt::{Read, Write};
+use hyper::body::Incoming;
+use hyper_util::rt::TokioIo;
+use futures::stream::{FuturesUnordered, StreamExt};
+use tokio::net::TcpListener;
+use tokio::sync::watch;
+use tokio_rustls::TlsAcceptor;
+use tokio::net::TcpStream;
+use tokio::io::{AsyncRead, AsyncWrite};
+use rustls_pemfile::{certs, private_key};
+
+use aero_user::config::{DavConfig, DavUnsecureConfig};
+use aero_user::login::ArcLoginProvider;
+use aero_collections::{user::User, calendar::Calendar, davdag::BlobId};
+use aero_dav::types as dav;
+use aero_dav::caltypes as cal;
+use aero_dav::acltypes as acl;
+use aero_dav::realization::{All, self as all};
+
+use crate::dav::codec::{serialize, deserialize, depth, text_body};
+
+type ArcUser = std::sync::Arc<User>;
+
+pub struct Server {
+ bind_addr: SocketAddr,
+ login_provider: ArcLoginProvider,
+ tls: Option<TlsAcceptor>,
+}
+
+pub fn new_unsecure(config: DavUnsecureConfig, login: ArcLoginProvider) -> Server {
+ Server {
+ bind_addr: config.bind_addr,
+ login_provider: login,
+ tls: None,
+ }
+}
+
+pub fn new(config: DavConfig, login: ArcLoginProvider) -> Result<Server> {
+ let loaded_certs = certs(&mut std::io::BufReader::new(std::fs::File::open(
+ config.certs,
+ )?))
+ .collect::<Result<Vec<_>, _>>()?;
+ let loaded_key = private_key(&mut std::io::BufReader::new(std::fs::File::open(
+ config.key,
+ )?))?
+ .unwrap();
+
+ let tls_config = rustls::ServerConfig::builder()
+ .with_no_client_auth()
+ .with_single_cert(loaded_certs, loaded_key)?;
+ let acceptor = TlsAcceptor::from(Arc::new(tls_config));
+
+ Ok(Server {
+ bind_addr: config.bind_addr,
+ login_provider: login,
+ tls: Some(acceptor),
+ })
+}
+
+trait Stream: Read + Write + Send + Unpin {}
+impl<T: Unpin + AsyncRead + AsyncWrite + Send> Stream for TokioIo<T> {}
+
+impl Server {
+ pub async fn run(self: Self, mut must_exit: watch::Receiver<bool>) -> Result<()> {
+ let tcp = TcpListener::bind(self.bind_addr).await?;
+ tracing::info!("DAV server listening on {:#}", self.bind_addr);
+
+ let mut connections = FuturesUnordered::new();
+ while !*must_exit.borrow() {
+ let wait_conn_finished = async {
+ if connections.is_empty() {
+ futures::future::pending().await
+ } else {
+ connections.next().await
+ }
+ };
+ let (socket, remote_addr) = tokio::select! {
+ a = tcp.accept() => a?,
+ _ = wait_conn_finished => continue,
+ _ = must_exit.changed() => continue,
+ };
+ tracing::info!("Accepted connection from {}", remote_addr);
+ let stream = match self.build_stream(socket).await {
+ Ok(v) => v,
+ Err(e) => {
+ tracing::error!(err=?e, "TLS acceptor failed");
+ continue
+ }
+ };
+
+ let login = self.login_provider.clone();
+ let conn = tokio::spawn(async move {
+ //@FIXME should create a generic "public web" server on which "routers" could be
+ //abitrarily bound
+ //@FIXME replace with a handler supporting http2 and TLS
+
+ match http::Builder::new().serve_connection(stream, service_fn(|req: Request<hyper::body::Incoming>| {
+ let login = login.clone();
+ tracing::info!("{:?} {:?}", req.method(), req.uri());
+ async {
+ match middleware::auth(login, req, |user, request| async { router(user, request).await }.boxed()).await {
+ Ok(v) => Ok(v),
+ Err(e) => {
+ tracing::error!(err=?e, "internal error");
+ Response::builder()
+ .status(500)
+ .body(codec::text_body("Internal error"))
+ },
+ }
+ }
+ })).await {
+ Err(e) => tracing::warn!(err=?e, "connection failed"),
+ Ok(()) => tracing::trace!("connection terminated with success"),
+ }
+ });
+ connections.push(conn);
+ }
+ drop(tcp);
+
+ tracing::info!("Server shutting down, draining remaining connections...");
+ while connections.next().await.is_some() {}
+
+ Ok(())
+ }
+
+ async fn build_stream(&self, socket: TcpStream) -> Result<Box<dyn Stream>> {
+ match self.tls.clone() {
+ Some(acceptor) => {
+ let stream = acceptor.accept(socket).await?;
+ Ok(Box::new(TokioIo::new(stream)))
+ }
+ None => Ok(Box::new(TokioIo::new(socket))),
+ }
+ }
+}
+
+use http_body_util::BodyExt;
+
+//@FIXME We should not support only BasicAuth
+
+
+/// Path is a voluntarily feature limited
+/// compared to the expressiveness of a UNIX path
+/// For example getting parent with ../ is not supported, scheme is not supported, etc.
+/// More complex support could be added later if needed by clients
+enum Path<'a> {
+ Abs(Vec<&'a str>),
+ Rel(Vec<&'a str>),
+}
+impl<'a> Path<'a> {
+ fn new(path: &'a str) -> Result<Self> {
+ // This check is naive, it does not aim at detecting all fully qualified
+ // URL or protect from any attack, its only goal is to help debugging.
+ if path.starts_with("http://") || path.starts_with("https://") {
+ anyhow::bail!("Full URL are not supported")
+ }
+
+ let path_segments: Vec<_> = path.split("/").filter(|s| *s != "" && *s != ".").collect();
+ if path.starts_with("/") {
+ return Ok(Path::Abs(path_segments))
+ }
+ Ok(Path::Rel(path_segments))
+ }
+}
+
+async fn router(user: std::sync::Arc<User>, req: Request<Incoming>) -> Result<Response<BoxBody<Bytes, std::io::Error>>> {
+ let path = req.uri().path().to_string();
+ let path_segments: Vec<_> = path.split("/").filter(|s| *s != "").collect();
+ let method = req.method().as_str().to_uppercase();
+
+ let node = match (RootNode {}).fetch(&user, &path_segments).await {
+ Ok(v) => v,
+ Err(e) => {
+ tracing::warn!(err=?e, "dav node fetch failed");
+ return Ok(Response::builder()
+ .status(404)
+ .body(codec::text_body("Resource not found"))?)
+ }
+ };
+ let response = DavResponse { node, user, req };
+
+ match method.as_str() {
+ "OPTIONS" => return Ok(Response::builder()
+ .status(200)
+ .header("DAV", "1")
+ .header("Allow", "HEAD,GET,PUT,OPTIONS,DELETE,PROPFIND,PROPPATCH,MKCOL,COPY,MOVE,LOCK,UNLOCK,MKCALENDAR,REPORT")
+ .body(codec::text_body(""))?),
+ "HEAD" | "GET" => {
+ tracing::warn!("HEAD+GET not correctly implemented");
+ return Ok(Response::builder()
+ .status(404)
+ .body(codec::text_body(""))?)
+ },
+ "PUT" => {
+ todo!();
+ },
+ "DELETE" => {
+ todo!();
+ },
+ "PROPFIND" => response.propfind().await,
+ "REPORT" => response.report().await,
+ _ => return Ok(Response::builder()
+ .status(501)
+ .body(codec::text_body("HTTP Method not implemented"))?),
+ }
+}
+
+const ALLPROP: [dav::PropertyRequest<All>; 10] = [
+ dav::PropertyRequest::CreationDate,
+ dav::PropertyRequest::DisplayName,
+ dav::PropertyRequest::GetContentLanguage,
+ dav::PropertyRequest::GetContentLength,
+ dav::PropertyRequest::GetContentType,
+ dav::PropertyRequest::GetEtag,
+ dav::PropertyRequest::GetLastModified,
+ dav::PropertyRequest::LockDiscovery,
+ dav::PropertyRequest::ResourceType,
+ dav::PropertyRequest::SupportedLock,
+];
+
+// ---------- Building objects
+
+// ---- HTTP DAV Binding
+use futures::stream::TryStreamExt;
+use http_body_util::BodyStream;
+use http_body_util::StreamBody;
+use http_body_util::combinators::BoxBody;
+use hyper::body::Frame;
+use tokio_util::sync::PollSender;
+use std::io::{Error, ErrorKind};
+use futures::sink::SinkExt;
+use tokio_util::io::{SinkWriter, CopyToBytes};
+
+
+
+//---
+use futures::{future, future::BoxFuture, future::FutureExt};
+
+/// A DAV node should implement the following methods
+/// @FIXME not satisfied by BoxFutures but I have no better idea currently
+trait DavNode: Send {
+ // recurence, filesystem hierarchy
+ /// This node direct children
+ fn children<'a>(&self, user: &'a ArcUser) -> BoxFuture<'a, Vec<Box<dyn DavNode>>>;
+ /// Recursively fetch a child (progress inside the filesystem hierarchy)
+ fn fetch<'a>(&self, user: &'a ArcUser, path: &'a [&str]) -> BoxFuture<'a, Result<Box<dyn DavNode>>>;
+
+ // node properties
+ /// Get the path
+ fn path(&self, user: &ArcUser) -> String;
+ /// Get the supported WebDAV properties
+ fn supported_properties(&self, user: &ArcUser) -> dav::PropName<All>;
+ /// Get the values for the given properties
+ fn properties(&self, user: &ArcUser, prop: dav::PropName<All>) -> Vec<dav::AnyProperty<All>>;
+
+ //@FIXME maybe add etag, maybe add a way to set content
+
+ /// Utility function to get a propname response from a node
+ fn response_propname(&self, user: &ArcUser) -> dav::Response<All> {
+ dav::Response {
+ status_or_propstat: dav::StatusOrPropstat::PropStat(
+ dav::Href(self.path(user)),
+ vec![
+ dav::PropStat {
+ status: dav::Status(hyper::StatusCode::OK),
+ prop: dav::AnyProp(self.supported_properties(user).0.into_iter().map(dav::AnyProperty::Request).collect()),
+ error: None,
+ responsedescription: None,
+ }
+ ],
+ ),
+ error: None,
+ location: None,
+ responsedescription: None
+ }
+ }
+
+ /// Utility function to get a prop response from a node & a list of propname
+ fn response_props(&self, user: &ArcUser, props: dav::PropName<All>) -> dav::Response<All> {
+ let mut prop_desc = vec![];
+ let (found, not_found): (Vec<_>, Vec<_>) = self.properties(user, props).into_iter().partition(|v| matches!(v, dav::AnyProperty::Value(_)));
+
+ // If at least one property has been found on this object, adding a HTTP 200 propstat to
+ // the response
+ if !found.is_empty() {
+ prop_desc.push(dav::PropStat {
+ status: dav::Status(hyper::StatusCode::OK),
+ prop: dav::AnyProp(found),
+ error: None,
+ responsedescription: None,
+ });
+ }
+
+ // If at least one property can't be found on this object, adding a HTTP 404 propstat to
+ // the response
+ if !not_found.is_empty() {
+ prop_desc.push(dav::PropStat {
+ status: dav::Status(hyper::StatusCode::NOT_FOUND),
+ prop: dav::AnyProp(not_found),
+ error: None,
+ responsedescription: None,
+ })
+ }
+
+ // Build the finale response
+ dav::Response {
+ status_or_propstat: dav::StatusOrPropstat::PropStat(dav::Href(self.path(user)), prop_desc),
+ error: None,
+ location: None,
+ responsedescription: None
+ }
+ }
+}
+
+struct DavResponse {
+ node: Box<dyn DavNode>,
+ user: std::sync::Arc<User>,
+ req: Request<Incoming>,
+}
+impl DavResponse {
+ // --- Public API ---
+
+ /// REPORT has been first described in the "Versioning Extension" of WebDAV
+ /// It allows more complex queries compared to PROPFIND
+ ///
+ /// Note: current implementation is not generic at all, it is heavily tied to CalDAV.
+ /// A rewrite would be required to make it more generic (with the extension system that has
+ /// been introduced in aero-dav)
+ async fn report(self) -> Result<Response<BoxBody<Bytes, std::io::Error>>> {
+ let status = hyper::StatusCode::from_u16(207)?;
+
+ let report = match deserialize::<cal::Report<All>>(self.req).await {
+ Ok(v) => v,
+ Err(e) => {
+ tracing::error!(err=?e, "unable to decode REPORT body");
+ return Ok(Response::builder()
+ .status(400)
+ .body(text_body("Bad request"))?)
+ }
+ };
+
+ // Multiget is really like a propfind where Depth: 0|1|Infinity is replaced by an arbitrary
+ // list of URLs
+ let multiget = match report {
+ cal::Report::Multiget(m) => m,
+ _ => return Ok(Response::builder()
+ .status(501)
+ .body(text_body("Not implemented"))?),
+ };
+
+ // Getting the list of nodes
+ let (mut ok_node, mut not_found) = (Vec::new(), Vec::new());
+ for h in multiget.href.into_iter() {
+ let maybe_collected_node = match Path::new(h.0.as_str()) {
+ Ok(Path::Abs(p)) => RootNode{}.fetch(&self.user, p.as_slice()).await.or(Err(h)),
+ Ok(Path::Rel(p)) => self.node.fetch(&self.user, p.as_slice()).await.or(Err(h)),
+ Err(_) => Err(h),
+ };
+
+ match maybe_collected_node {
+ Ok(v) => ok_node.push(v),
+ Err(h) => not_found.push(h),
+ };
+ }
+
+ // Getting props
+ let props = match multiget.selector {
+ None | Some(cal::CalendarSelector::AllProp) => Some(dav::PropName(ALLPROP.to_vec())),
+ Some(cal::CalendarSelector::PropName) => None,
+ Some(cal::CalendarSelector::Prop(inner)) => Some(inner),
+ };
+
+ serialize(status, Self::multistatus(&self.user, ok_node, not_found, props))
+ }
+
+ /// PROPFIND is the standard way to fetch WebDAV properties
+ async fn propfind(self) -> Result<Response<BoxBody<Bytes, std::io::Error>>> {
+ let depth = depth(&self.req);
+ if matches!(depth, dav::Depth::Infinity) {
+ return Ok(Response::builder()
+ .status(501)
+ .body(text_body("Depth: Infinity not implemented"))?)
+ }
+
+ let status = hyper::StatusCode::from_u16(207)?;
+
+ // A client may choose not to submit a request body. An empty PROPFIND
+ // request body MUST be treated as if it were an 'allprop' request.
+ // @FIXME here we handle any invalid data as an allprop, an empty request is thus correctly
+ // handled, but corrupted requests are also silently handled as allprop.
+ let propfind = deserialize::<dav::PropFind<All>>(self.req).await.unwrap_or_else(|_| dav::PropFind::<All>::AllProp(None));
+ tracing::debug!(recv=?propfind, "inferred propfind request");
+
+ // Collect nodes as PROPFIND is not limited to the targeted node
+ let mut nodes = vec![];
+ if matches!(depth, dav::Depth::One | dav::Depth::Infinity) {
+ nodes.extend(self.node.children(&self.user).await);
+ }
+ nodes.push(self.node);
+
+ // Expand properties request
+ let propname = match propfind {
+ dav::PropFind::PropName => None,
+ dav::PropFind::AllProp(None) => Some(dav::PropName(ALLPROP.to_vec())),
+ dav::PropFind::AllProp(Some(dav::Include(mut include))) => {
+ include.extend_from_slice(&ALLPROP);
+ Some(dav::PropName(include))
+ },
+ dav::PropFind::Prop(inner) => Some(inner),
+ };
+
+ // Not Found is currently impossible considering the way we designed this function
+ let not_found = vec![];
+ serialize(status, Self::multistatus(&self.user, nodes, not_found, propname))
+ }
+
+ // --- Internal functions ---
+ /// Utility function to build a multistatus response from
+ /// a list of DavNodes
+ fn multistatus(user: &ArcUser, nodes: Vec<Box<dyn DavNode>>, not_found: Vec<dav::Href>, props: Option<dav::PropName<All>>) -> dav::Multistatus<All> {
+ // Collect properties on existing objects
+ let mut responses: Vec<dav::Response<All>> = match props {
+ Some(props) => nodes.into_iter().map(|n| n.response_props(user, props.clone())).collect(),
+ None => nodes.into_iter().map(|n| n.response_propname(user)).collect(),
+ };
+
+ // Register not found objects only if relevant
+ if !not_found.is_empty() {
+ responses.push(dav::Response {
+ status_or_propstat: dav::StatusOrPropstat::Status(not_found, dav::Status(hyper::StatusCode::NOT_FOUND)),
+ error: None,
+ location: None,
+ responsedescription: None,
+ });
+ }
+
+ // Build response
+ dav::Multistatus::<All> {
+ responses,
+ responsedescription: None,
+ }
+ }
+}
+
+#[derive(Clone)]
+struct RootNode {}
+impl DavNode for RootNode {
+ fn fetch<'a>(&self, user: &'a ArcUser, path: &'a [&str]) -> BoxFuture<'a, Result<Box<dyn DavNode>>> {
+ if path.len() == 0 {
+ let this = self.clone();
+ return async { Ok(Box::new(this) as Box<dyn DavNode>) }.boxed();
+ }
+
+ if path[0] == user.username {
+ let child = Box::new(HomeNode {});
+ return child.fetch(user, &path[1..]);
+ }
+
+ async { Err(anyhow!("Not found")) }.boxed()
+ }
+
+ fn children<'a>(&self, user: &'a ArcUser) -> BoxFuture<'a, Vec<Box<dyn DavNode>>> {
+ async { vec![Box::new(HomeNode { }) as Box<dyn DavNode>] }.boxed()
+ }
+
+ fn path(&self, user: &ArcUser) -> String {
+ "/".into()
+ }
+
+ fn supported_properties(&self, user: &ArcUser) -> dav::PropName<All> {
+ dav::PropName(vec![
+ dav::PropertyRequest::DisplayName,
+ dav::PropertyRequest::ResourceType,
+ dav::PropertyRequest::GetContentType,
+ dav::PropertyRequest::Extension(all::PropertyRequest::Acl(acl::PropertyRequest::CurrentUserPrincipal)),
+ ])
+ }
+ fn properties(&self, user: &ArcUser, prop: dav::PropName<All>) -> Vec<dav::AnyProperty<All>> {
+ prop.0.into_iter().map(|n| match n {
+ dav::PropertyRequest::DisplayName => dav::AnyProperty::Value(dav::Property::DisplayName("DAV Root".to_string())),
+ dav::PropertyRequest::ResourceType => dav::AnyProperty::Value(dav::Property::ResourceType(vec![
+ dav::ResourceType::Collection,
+ ])),
+ dav::PropertyRequest::GetContentType => dav::AnyProperty::Value(dav::Property::GetContentType("httpd/unix-directory".into())),
+ dav::PropertyRequest::Extension(all::PropertyRequest::Acl(acl::PropertyRequest::CurrentUserPrincipal)) =>
+ dav::AnyProperty::Value(dav::Property::Extension(all::Property::Acl(acl::Property::CurrentUserPrincipal(acl::User::Authenticated(dav::Href(HomeNode{}.path(user))))))),
+ v => dav::AnyProperty::Request(v),
+ }).collect()
+ }
+}
+
+#[derive(Clone)]
+struct HomeNode {}
+impl DavNode for HomeNode {
+ fn fetch<'a>(&self, user: &'a ArcUser, path: &'a [&str]) -> BoxFuture<'a, Result<Box<dyn DavNode>>> {
+ if path.len() == 0 {
+ let node = Box::new(self.clone()) as Box<dyn DavNode>;
+ return async { Ok(node) }.boxed()
+ }
+
+ if path[0] == "calendar" {
+ return async {
+ let child = Box::new(CalendarListNode::new(user).await?);
+ child.fetch(user, &path[1..]).await
+ }.boxed();
+ }
+
+ async { Err(anyhow!("Not found")) }.boxed()
+ }
+
+ fn children<'a>(&self, user: &'a ArcUser) -> BoxFuture<'a, Vec<Box<dyn DavNode>>> {
+ async {
+ CalendarListNode::new(user).await
+ .map(|c| vec![Box::new(c) as Box<dyn DavNode>])
+ .unwrap_or(vec![])
+ }.boxed()
+ }
+
+ fn path(&self, user: &ArcUser) -> String {
+ format!("/{}/", user.username)
+ }
+
+ fn supported_properties(&self, user: &ArcUser) -> dav::PropName<All> {
+ dav::PropName(vec![
+ dav::PropertyRequest::DisplayName,
+ dav::PropertyRequest::ResourceType,
+ dav::PropertyRequest::GetContentType,
+ dav::PropertyRequest::Extension(all::PropertyRequest::Cal(cal::PropertyRequest::CalendarHomeSet)),
+ ])
+ }
+ fn properties(&self, user: &ArcUser, prop: dav::PropName<All>) -> Vec<dav::AnyProperty<All>> {
+ prop.0.into_iter().map(|n| match n {
+ dav::PropertyRequest::DisplayName => dav::AnyProperty::Value(dav::Property::DisplayName(format!("{} home", user.username))),
+ dav::PropertyRequest::ResourceType => dav::AnyProperty::Value(dav::Property::ResourceType(vec![
+ dav::ResourceType::Collection,
+ dav::ResourceType::Extension(all::ResourceType::Acl(acl::ResourceType::Principal)),
+ ])),
+ dav::PropertyRequest::GetContentType => dav::AnyProperty::Value(dav::Property::GetContentType("httpd/unix-directory".into())),
+ dav::PropertyRequest::Extension(all::PropertyRequest::Cal(cal::PropertyRequest::CalendarHomeSet)) =>
+ dav::AnyProperty::Value(dav::Property::Extension(all::Property::Cal(cal::Property::CalendarHomeSet(dav::Href(/*CalendarListNode{}.path(user)*/ todo!()))))),
+ v => dav::AnyProperty::Request(v),
+ }).collect()
+ }
+}
+
+#[derive(Clone)]
+struct CalendarListNode {
+ list: Vec<String>,
+}
+impl CalendarListNode {
+ async fn new(user: &ArcUser) -> Result<Self> {
+ let list = user.calendars.list(user).await?;
+ Ok(Self { list })
+ }
+}
+impl DavNode for CalendarListNode {
+ fn fetch<'a>(&self, user: &'a ArcUser, path: &'a [&str]) -> BoxFuture<'a, Result<Box<dyn DavNode>>> {
+ if path.len() == 0 {
+ let node = Box::new(self.clone()) as Box<dyn DavNode>;
+ return async { Ok(node) }.boxed();
+ }
+
+ async {
+ let cal = user.calendars.open(user, path[0]).await?.ok_or(anyhow!("Not found"))?;
+ let child = Box::new(CalendarNode {
+ col: cal,
+ calname: path[0].to_string()
+ });
+ child.fetch(user, &path[1..]).await
+ }.boxed()
+ }
+
+ fn children<'a>(&self, user: &'a ArcUser) -> BoxFuture<'a, Vec<Box<dyn DavNode>>> {
+ let list = self.list.clone();
+ async move {
+ //@FIXME maybe we want to be lazy here?!
+ futures::stream::iter(list.iter())
+ .filter_map(|name| async move {
+ user.calendars.open(user, name).await
+ .ok()
+ .flatten()
+ .map(|v| (name, v))
+ })
+ .map(|(name, cal)| Box::new(CalendarNode {
+ col: cal,
+ calname: name.to_string(),
+ }) as Box<dyn DavNode>)
+ .collect::<Vec<Box<dyn DavNode>>>()
+ .await
+ }.boxed()
+ }
+
+ fn path(&self, user: &ArcUser) -> String {
+ format!("/{}/calendar/", user.username)
+ }
+
+ fn supported_properties(&self, user: &ArcUser) -> dav::PropName<All> {
+ dav::PropName(vec![
+ dav::PropertyRequest::DisplayName,
+ dav::PropertyRequest::ResourceType,
+ dav::PropertyRequest::GetContentType,
+ ])
+ }
+ fn properties(&self, user: &ArcUser, prop: dav::PropName<All>) -> Vec<dav::AnyProperty<All>> {
+ prop.0.into_iter().map(|n| match n {
+ dav::PropertyRequest::DisplayName => dav::AnyProperty::Value(dav::Property::DisplayName(format!("{} calendars", user.username))),
+ dav::PropertyRequest::ResourceType => dav::AnyProperty::Value(dav::Property::ResourceType(vec![dav::ResourceType::Collection])),
+ dav::PropertyRequest::GetContentType => dav::AnyProperty::Value(dav::Property::GetContentType("httpd/unix-directory".into())),
+ v => dav::AnyProperty::Request(v),
+ }).collect()
+ }
+}
+
+#[derive(Clone)]
+struct CalendarNode {
+ col: Arc<Calendar>,
+ calname: String,
+}
+impl DavNode for CalendarNode {
+ fn fetch<'a>(&self, user: &'a ArcUser, path: &'a [&str]) -> BoxFuture<'a, Result<Box<dyn DavNode>>> {
+ if path.len() == 0 {
+ let node = Box::new(self.clone()) as Box<dyn DavNode>;
+ return async { Ok(node) }.boxed()
+ }
+
+ let col = self.col.clone();
+ let calname = self.calname.clone();
+ async move {
+ if let Some(blob_id) = col.dag().await.idx_by_filename.get(path[0]) {
+ let child = Box::new(EventNode {
+ col: col.clone(),
+ calname,
+ filename: path[0].to_string(),
+ blob_id: *blob_id,
+ });
+ return child.fetch(user, &path[1..]).await
+ }
+
+ Err(anyhow!("Not found"))
+ }.boxed()
+ }
+
+ fn children<'a>(&self, user: &'a ArcUser) -> BoxFuture<'a, Vec<Box<dyn DavNode>>> {
+ let col = self.col.clone();
+ let calname = self.calname.clone();
+
+ async move {
+ col.dag().await.idx_by_filename.iter().map(|(filename, blob_id)| {
+ Box::new(EventNode {
+ col: col.clone(),
+ calname: calname.clone(),
+ filename: filename.to_string(),
+ blob_id: *blob_id,
+ }) as Box<dyn DavNode>
+ }).collect()
+ }.boxed()
+ }
+
+ fn path(&self, user: &ArcUser) -> String {
+ format!("/{}/calendar/{}/", user.username, self.calname)
+ }
+
+ fn supported_properties(&self, user: &ArcUser) -> dav::PropName<All> {
+ dav::PropName(vec![
+ dav::PropertyRequest::DisplayName,
+ dav::PropertyRequest::ResourceType,
+ dav::PropertyRequest::GetContentType,
+ dav::PropertyRequest::Extension(all::PropertyRequest::Cal(cal::PropertyRequest::SupportedCalendarComponentSet)),
+ ])
+ }
+ fn properties(&self, _user: &ArcUser, prop: dav::PropName<All>) -> Vec<dav::AnyProperty<All>> {
+ prop.0.into_iter().map(|n| match n {
+ dav::PropertyRequest::DisplayName => dav::AnyProperty::Value(dav::Property::DisplayName(format!("{} calendar", self.calname))),
+ dav::PropertyRequest::ResourceType => dav::AnyProperty::Value(dav::Property::ResourceType(vec![
+ dav::ResourceType::Collection,
+ dav::ResourceType::Extension(all::ResourceType::Cal(cal::ResourceType::Calendar)),
+ ])),
+ //dav::PropertyRequest::GetContentType => dav::AnyProperty::Value(dav::Property::GetContentType("httpd/unix-directory".into())),
+ //@FIXME seems wrong but seems to be what Thunderbird expects...
+ dav::PropertyRequest::GetContentType => dav::AnyProperty::Value(dav::Property::GetContentType("text/calendar".into())),
+ dav::PropertyRequest::Extension(all::PropertyRequest::Cal(cal::PropertyRequest::SupportedCalendarComponentSet))
+ => dav::AnyProperty::Value(dav::Property::Extension(all::Property::Cal(cal::Property::SupportedCalendarComponentSet(vec![
+ cal::CompSupport(cal::Component::VEvent),
+ ])))),
+ v => dav::AnyProperty::Request(v),
+ }).collect()
+ }
+}
+
+const FAKE_ICS: &str = r#"BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Example Corp.//CalDAV Client//EN
+BEGIN:VTIMEZONE
+LAST-MODIFIED:20040110T032845Z
+TZID:US/Eastern
+BEGIN:DAYLIGHT
+DTSTART:20000404T020000
+RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=4
+TZNAME:EDT
+TZOFFSETFROM:-0500
+TZOFFSETTO:-0400
+END:DAYLIGHT
+BEGIN:STANDARD
+DTSTART:20001026T020000
+RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
+TZNAME:EST
+TZOFFSETFROM:-0400
+TZOFFSETTO:-0500
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20240406T001102Z
+DTSTART;TZID=US/Eastern:20240406T100000
+DURATION:PT1H
+SUMMARY:Event #1
+Description:Go Steelers!
+UID:74855313FA803DA593CD579A@example.com
+END:VEVENT
+END:VCALENDAR"#;
+
+#[derive(Clone)]
+struct EventNode {
+ col: Arc<Calendar>,
+ calname: String,
+ filename: String,
+ blob_id: BlobId,
+}
+impl DavNode for EventNode {
+ fn fetch<'a>(&self, user: &'a ArcUser, path: &'a [&str]) -> BoxFuture<'a, Result<Box<dyn DavNode>>> {
+ if path.len() == 0 {
+ let node = Box::new(self.clone()) as Box<dyn DavNode>;
+ return async { Ok(node) }.boxed()
+ }
+
+ async { Err(anyhow!("Not found")) }.boxed()
+ }
+
+ fn children<'a>(&self, user: &'a ArcUser) -> BoxFuture<'a, Vec<Box<dyn DavNode>>> {
+ async { vec![] }.boxed()
+ }
+
+ fn path(&self, user: &ArcUser) -> String {
+ format!("/{}/calendar/{}/{}", user.username, self.calname, self.filename)
+ }
+
+ fn supported_properties(&self, user: &ArcUser) -> dav::PropName<All> {
+ dav::PropName(vec![
+ dav::PropertyRequest::DisplayName,
+ dav::PropertyRequest::ResourceType,
+ dav::PropertyRequest::GetEtag,
+ dav::PropertyRequest::Extension(all::PropertyRequest::Cal(cal::PropertyRequest::CalendarData(cal::CalendarDataRequest::default()))),
+ ])
+ }
+ fn properties(&self, _user: &ArcUser, prop: dav::PropName<All>) -> Vec<dav::AnyProperty<All>> {
+ prop.0.into_iter().map(|n| match n {
+ dav::PropertyRequest::DisplayName => dav::AnyProperty::Value(dav::Property::DisplayName(format!("{} event", self.filename))),
+ dav::PropertyRequest::ResourceType => dav::AnyProperty::Value(dav::Property::ResourceType(vec![])),
+ dav::PropertyRequest::GetContentType => dav::AnyProperty::Value(dav::Property::GetContentType("text/calendar".into())),
+ dav::PropertyRequest::GetEtag => dav::AnyProperty::Value(dav::Property::GetEtag("\"abcdefg\"".into())),
+ dav::PropertyRequest::Extension(all::PropertyRequest::Cal(cal::PropertyRequest::CalendarData(req))) =>
+ dav::AnyProperty::Value(dav::Property::Extension(all::Property::Cal(cal::Property::CalendarData(cal::CalendarDataPayload {
+ mime: None,
+ payload: FAKE_ICS.into()
+ })))),
+ v => dav::AnyProperty::Request(v),
+ }).collect()
+ }
+}
+
+
+
+// <D:propfind xmlns:D='DAV:' xmlns:A='http://apple.com/ns/ical/'>
+// <D:prop>
+// <D:getcontenttype/>
+// <D:resourcetype/>
+// <D:displayname/>
+// <A:calendar-color/>
+// </D:prop>
+// </D:propfind>
+
+
+// <D:propfind xmlns:D='DAV:' xmlns:A='http://apple.com/ns/ical/' xmlns:C='urn:ietf:params:xml:ns:caldav'>
+// <D:prop>
+// <D:resourcetype/>
+// <D:owner/>
+// <D:displayname/>
+// <D:current-user-principal/>
+// <D:current-user-privilege-set/>
+// <A:calendar-color/>
+// <C:calendar-home-set/>
+// </D:prop>
+// </D:propfind>
+
+// <D:propfind xmlns:D='DAV:' xmlns:C='urn:ietf:params:xml:ns:caldav' xmlns:CS='http://calendarserver.org/ns/'>
+// <D:prop>
+// <D:resourcetype/>
+// <D:owner/>
+// <D:current-user-principal/>
+// <D:current-user-privilege-set/>
+// <D:supported-report-set/>
+// <C:supported-calendar-component-set/>
+// <CS:getctag/>
+// </D:prop>
+// </D:propfind>
+
+// <C:calendar-multiget xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav">
+// <D:prop>
+// <D:getetag/>
+// <C:calendar-data/>
+// </D:prop>
+// <D:href>/alice/calendar/personal/something.ics</D:href>
+// </C:calendar-multiget>