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Finalize refactor

This commit is contained in:
Quentin 2024-04-18 16:08:10 +02:00
parent 2bda8ef081
commit e2bf412337
Signed by: quentin
GPG Key ID: E9602264D639FF68
4 changed files with 660 additions and 647 deletions
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227
aero-proto/src/dav/controller.rs Normal file
View File

@ -0,0 +1,227 @@
use anyhow::Result;
use http_body_util::combinators::BoxBody;
use hyper::body::Incoming;
use hyper::{Request, Response, body::Bytes};
use aero_collections::user::User;
use aero_dav::types as dav;
use aero_dav::realization::All;
use aero_dav::caltypes as cal;
use crate::dav::codec::{serialize, deserialize, depth, text_body};
use crate::dav::node::DavNode;
use crate::dav::resource::RootNode;
use crate::dav::codec;
type ArcUser = std::sync::Arc<User>;
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,
];
pub(crate) struct Controller {
node: Box<dyn DavNode>,
user: std::sync::Arc<User>,
req: Request<Incoming>,
}
impl Controller {
pub(crate) async fn route(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 ctrl = Self { node, user, req };
match method.as_str() {
"OPTIONS" => 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");
Ok(Response::builder()
.status(404)
.body(codec::text_body(""))?)
},
"PUT" => {
todo!();
},
"DELETE" => {
todo!();
},
"PROPFIND" => ctrl.propfind().await,
"REPORT" => ctrl.report().await,
_ => Ok(Response::builder()
.status(501)
.body(codec::text_body("HTTP Method not implemented"))?),
}
}
// --- 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,
}
}
}
/// 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))
}
}

655
aero-proto/src/dav/mod.rs
View File

@ -1,35 +1,31 @@
mod middleware;
mod controller;
mod codec;
mod node;
mod resource;
use std::net::SocketAddr;
use std::sync::Arc;
use anyhow::{anyhow, bail, Result};
use anyhow::Result;
use hyper::service::service_fn;
use hyper::{Request, Response, body::Bytes};
use hyper::{Request, Response};
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 futures::future::FutureExt;
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>;
use crate::dav::controller::Controller;
pub struct Server {
bind_addr: SocketAddr,
@ -108,7 +104,7 @@ impl Server {
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 {
match middleware::auth(login, req, |user, request| async { Controller::route(user, request).await }.boxed()).await {
Ok(v) => Ok(v),
Err(e) => {
tracing::error!(err=?e, "internal error");
@ -144,641 +140,6 @@ impl Server {
}
}
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/>

85
aero-proto/src/dav/node.rs Normal file
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use anyhow::Result;
use futures::future::BoxFuture;
use aero_dav::types as dav;
use aero_dav::realization::All;
use aero_collections::user::User;
type ArcUser = std::sync::Arc<User>;
/// A DAV node should implement the following methods
/// @FIXME not satisfied by BoxFutures but I have no better idea currently
pub(crate) 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
}
}
}

340
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use std::sync::Arc;
type ArcUser = std::sync::Arc<User>;
use anyhow::{anyhow, Result};
use futures::stream::StreamExt;
use futures::{future::BoxFuture, future::FutureExt};
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::node::DavNode;
#[derive(Clone)]
pub(crate) 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)]
pub(crate) 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)]
pub(crate) 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)]
pub(crate) 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)]
pub(crate) 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()
}
}