aerogramme/aero-proto/src/dav/resource.rs

778 lines
25 KiB
Rust

use std::sync::Arc;
type ArcUser = std::sync::Arc<User>;
use anyhow::{anyhow, Result};
use futures::io::AsyncReadExt;
use futures::stream::{StreamExt, TryStreamExt};
use futures::{future::BoxFuture, future::FutureExt};
use aero_collections::{
calendar::Calendar,
davdag::{BlobId, Etag},
user::User,
};
use aero_dav::acltypes as acl;
use aero_dav::caltypes as cal;
use aero_dav::realization::{self as all, All};
use aero_dav::types as dav;
use super::node::PropertyStream;
use crate::dav::node::{Content, DavNode, PutPolicy};
#[derive(Clone)]
pub(crate) struct RootNode {}
impl DavNode for RootNode {
fn fetch<'a>(
&self,
user: &'a ArcUser,
path: &'a [&str],
create: bool,
) -> 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..], create);
}
//@NOTE: We can't create a node at this level
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>) -> PropertyStream<'static> {
let user = user.clone();
futures::stream::iter(prop.0)
.map(move |n| {
let prop = match n {
dav::PropertyRequest::DisplayName => {
dav::Property::DisplayName("DAV Root".to_string())
}
dav::PropertyRequest::ResourceType => {
dav::Property::ResourceType(vec![dav::ResourceType::Collection])
}
dav::PropertyRequest::GetContentType => {
dav::Property::GetContentType("httpd/unix-directory".into())
}
dav::PropertyRequest::Extension(all::PropertyRequest::Acl(
acl::PropertyRequest::CurrentUserPrincipal,
)) => dav::Property::Extension(all::Property::Acl(
acl::Property::CurrentUserPrincipal(acl::User::Authenticated(dav::Href(
HomeNode {}.path(&user),
))),
)),
v => return Err(v),
};
Ok(prop)
})
.boxed()
}
fn put<'a>(
&'a self,
_policy: PutPolicy,
stream: Content<'a>,
) -> BoxFuture<'a, std::result::Result<Etag, std::io::Error>> {
futures::future::err(std::io::Error::from(std::io::ErrorKind::Unsupported)).boxed()
}
fn content<'a>(&self) -> Content<'a> {
futures::stream::once(futures::future::err(std::io::Error::from(
std::io::ErrorKind::Unsupported,
)))
.boxed()
}
fn content_type(&self) -> &str {
"text/plain"
}
fn etag(&self) -> BoxFuture<Option<Etag>> {
async { None }.boxed()
}
fn delete(&self) -> BoxFuture<std::result::Result<(), std::io::Error>> {
async { Err(std::io::Error::from(std::io::ErrorKind::PermissionDenied)) }.boxed()
}
}
#[derive(Clone)]
pub(crate) struct HomeNode {}
impl DavNode for HomeNode {
fn fetch<'a>(
&self,
user: &'a ArcUser,
path: &'a [&str],
create: bool,
) -> 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 move {
let child = Box::new(CalendarListNode::new(user).await?);
child.fetch(user, &path[1..], create).await
}
.boxed();
}
//@NOTE: we can't create a node at this level
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>) -> PropertyStream<'static> {
let user = user.clone();
futures::stream::iter(prop.0)
.map(move |n| {
let prop = match n {
dav::PropertyRequest::DisplayName => {
dav::Property::DisplayName(format!("{} home", user.username))
}
dav::PropertyRequest::ResourceType => dav::Property::ResourceType(vec![
dav::ResourceType::Collection,
dav::ResourceType::Extension(all::ResourceType::Acl(
acl::ResourceType::Principal,
)),
]),
dav::PropertyRequest::GetContentType => {
dav::Property::GetContentType("httpd/unix-directory".into())
}
dav::PropertyRequest::Extension(all::PropertyRequest::Cal(
cal::PropertyRequest::CalendarHomeSet,
)) => dav::Property::Extension(all::Property::Cal(
cal::Property::CalendarHomeSet(dav::Href(
//@FIXME we are hardcoding the calendar path, instead we would want to use
//objects
format!("/{}/calendar/", user.username),
)),
)),
v => return Err(v),
};
Ok(prop)
})
.boxed()
}
fn put<'a>(
&'a self,
_policy: PutPolicy,
stream: Content<'a>,
) -> BoxFuture<'a, std::result::Result<Etag, std::io::Error>> {
futures::future::err(std::io::Error::from(std::io::ErrorKind::Unsupported)).boxed()
}
fn content<'a>(&self) -> Content<'a> {
futures::stream::once(futures::future::err(std::io::Error::from(
std::io::ErrorKind::Unsupported,
)))
.boxed()
}
fn content_type(&self) -> &str {
"text/plain"
}
fn etag(&self) -> BoxFuture<Option<Etag>> {
async { None }.boxed()
}
fn delete(&self) -> BoxFuture<std::result::Result<(), std::io::Error>> {
async { Err(std::io::Error::from(std::io::ErrorKind::PermissionDenied)) }.boxed()
}
}
#[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],
create: bool,
) -> 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 move {
//@FIXME: we should create a node if the open returns a "not found".
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..], create).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>) -> PropertyStream<'static> {
let user = user.clone();
futures::stream::iter(prop.0)
.map(move |n| {
let prop = match n {
dav::PropertyRequest::DisplayName => {
dav::Property::DisplayName(format!("{} calendars", user.username))
}
dav::PropertyRequest::ResourceType => {
dav::Property::ResourceType(vec![dav::ResourceType::Collection])
}
dav::PropertyRequest::GetContentType => {
dav::Property::GetContentType("httpd/unix-directory".into())
}
v => return Err(v),
};
Ok(prop)
})
.boxed()
}
fn put<'a>(
&'a self,
_policy: PutPolicy,
stream: Content<'a>,
) -> BoxFuture<'a, std::result::Result<Etag, std::io::Error>> {
futures::future::err(std::io::Error::from(std::io::ErrorKind::Unsupported)).boxed()
}
fn content<'a>(&self) -> Content<'a> {
futures::stream::once(futures::future::err(std::io::Error::from(
std::io::ErrorKind::Unsupported,
)))
.boxed()
}
fn content_type(&self) -> &str {
"text/plain"
}
fn etag(&self) -> BoxFuture<Option<Etag>> {
async { None }.boxed()
}
fn delete(&self) -> BoxFuture<std::result::Result<(), std::io::Error>> {
async { Err(std::io::Error::from(std::io::ErrorKind::PermissionDenied)) }.boxed()
}
}
#[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],
create: bool,
) -> 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 {
match (col.dag().await.idx_by_filename.get(path[0]), create) {
(Some(blob_id), _) => {
let child = Box::new(EventNode {
col: col.clone(),
calname,
filename: path[0].to_string(),
blob_id: *blob_id,
});
child.fetch(user, &path[1..], create).await
}
(None, true) => {
let child = Box::new(CreateEventNode {
col: col.clone(),
calname,
filename: path[0].to_string(),
});
child.fetch(user, &path[1..], create).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>) -> PropertyStream<'static> {
let calname = self.calname.to_string();
futures::stream::iter(prop.0)
.map(move |n| {
let prop = match n {
dav::PropertyRequest::DisplayName => {
dav::Property::DisplayName(format!("{} calendar", calname))
}
dav::PropertyRequest::ResourceType => 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::Property::GetContentType("text/calendar".into())
}
dav::PropertyRequest::Extension(all::PropertyRequest::Cal(
cal::PropertyRequest::SupportedCalendarComponentSet,
)) => dav::Property::Extension(all::Property::Cal(
cal::Property::SupportedCalendarComponentSet(vec![cal::CompSupport(
cal::Component::VEvent,
)]),
)),
v => return Err(v),
};
Ok(prop)
})
.boxed()
}
fn put<'a>(
&'a self,
_policy: PutPolicy,
_stream: Content<'a>,
) -> BoxFuture<'a, std::result::Result<Etag, std::io::Error>> {
futures::future::err(std::io::Error::from(std::io::ErrorKind::Unsupported)).boxed()
}
fn content<'a>(&self) -> Content<'a> {
futures::stream::once(futures::future::err(std::io::Error::from(
std::io::ErrorKind::Unsupported,
)))
.boxed()
}
fn content_type(&self) -> &str {
"text/plain"
}
fn etag(&self) -> BoxFuture<Option<Etag>> {
async { None }.boxed()
}
fn delete(&self) -> BoxFuture<std::result::Result<(), std::io::Error>> {
async { Err(std::io::Error::from(std::io::ErrorKind::PermissionDenied)) }.boxed()
}
}
#[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],
create: bool,
) -> 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 supported: can't create a child on an event node"
))
}
.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>) -> PropertyStream<'static> {
let this = self.clone();
futures::stream::iter(prop.0)
.then(move |n| {
let this = this.clone();
async move {
let prop = match &n {
dav::PropertyRequest::DisplayName => {
dav::Property::DisplayName(format!("{} event", this.filename))
}
dav::PropertyRequest::ResourceType => dav::Property::ResourceType(vec![]),
dav::PropertyRequest::GetContentType => {
dav::Property::GetContentType("text/calendar".into())
}
dav::PropertyRequest::GetEtag => {
let etag = this.etag().await.ok_or(n.clone())?;
dav::Property::GetEtag(etag)
}
dav::PropertyRequest::Extension(all::PropertyRequest::Cal(
cal::PropertyRequest::CalendarData(_req),
)) => {
let ics = String::from_utf8(
this.col.get(this.blob_id).await.or(Err(n.clone()))?,
)
.or(Err(n.clone()))?;
dav::Property::Extension(all::Property::Cal(
cal::Property::CalendarData(cal::CalendarDataPayload {
mime: None,
payload: ics,
}),
))
}
_ => return Err(n),
};
Ok(prop)
}
})
.boxed()
}
fn put<'a>(
&'a self,
policy: PutPolicy,
stream: Content<'a>,
) -> BoxFuture<'a, std::result::Result<Etag, std::io::Error>> {
async {
let existing_etag = self
.etag()
.await
.ok_or(std::io::Error::new(std::io::ErrorKind::Other, "Etag error"))?;
match policy {
PutPolicy::CreateOnly => {
return Err(std::io::Error::from(std::io::ErrorKind::AlreadyExists))
}
PutPolicy::ReplaceEtag(etag) if etag != existing_etag.as_str() => {
return Err(std::io::Error::from(std::io::ErrorKind::AlreadyExists))
}
_ => (),
};
//@FIXME for now, our storage interface does not allow streaming,
// so we load everything in memory
let mut evt = Vec::new();
let mut reader = stream.into_async_read();
reader
.read_to_end(&mut evt)
.await
.or(Err(std::io::Error::from(std::io::ErrorKind::BrokenPipe)))?;
let (_token, entry) = self
.col
.put(self.filename.as_str(), evt.as_ref())
.await
.or(Err(std::io::ErrorKind::Interrupted))?;
self.col
.opportunistic_sync()
.await
.or(Err(std::io::ErrorKind::ConnectionReset))?;
Ok(entry.2)
}
.boxed()
}
fn content<'a>(&self) -> Content<'a> {
//@FIXME for now, our storage interface does not allow streaming,
// so we load everything in memory
let calendar = self.col.clone();
let blob_id = self.blob_id.clone();
let r = async move {
let content = calendar
.get(blob_id)
.await
.or(Err(std::io::Error::from(std::io::ErrorKind::Interrupted)));
Ok(hyper::body::Bytes::from(content?))
};
futures::stream::once(Box::pin(r)).boxed()
}
fn content_type(&self) -> &str {
"text/calendar"
}
fn etag(&self) -> BoxFuture<Option<Etag>> {
let calendar = self.col.clone();
async move {
calendar
.dag()
.await
.table
.get(&self.blob_id)
.map(|(_, _, etag)| etag.to_string())
}
.boxed()
}
fn delete(&self) -> BoxFuture<std::result::Result<(), std::io::Error>> {
let calendar = self.col.clone();
let blob_id = self.blob_id.clone();
async move {
let _token = match calendar.delete(blob_id).await {
Ok(v) => v,
Err(e) => {
tracing::error!(err=?e, "delete event node");
return Err(std::io::Error::from(std::io::ErrorKind::Interrupted));
}
};
calendar
.opportunistic_sync()
.await
.or(Err(std::io::ErrorKind::ConnectionReset))?;
Ok(())
}
.boxed()
}
}
#[derive(Clone)]
pub(crate) struct CreateEventNode {
col: Arc<Calendar>,
calname: String,
filename: String,
}
impl DavNode for CreateEventNode {
fn fetch<'a>(
&self,
user: &'a ArcUser,
path: &'a [&str],
create: bool,
) -> 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 supported: can't create a child on an event node"
))
}
.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![])
}
fn properties(&self, _user: &ArcUser, prop: dav::PropName<All>) -> PropertyStream<'static> {
futures::stream::iter(vec![]).boxed()
}
fn put<'a>(
&'a self,
_policy: PutPolicy,
stream: Content<'a>,
) -> BoxFuture<'a, std::result::Result<Etag, std::io::Error>> {
//@NOTE: policy might not be needed here: whatever we put, there is no known entries here
async {
//@FIXME for now, our storage interface does not allow for streaming
let mut evt = Vec::new();
let mut reader = stream.into_async_read();
reader.read_to_end(&mut evt).await.unwrap();
let (_token, entry) = self
.col
.put(self.filename.as_str(), evt.as_ref())
.await
.or(Err(std::io::ErrorKind::Interrupted))?;
self.col
.opportunistic_sync()
.await
.or(Err(std::io::ErrorKind::ConnectionReset))?;
Ok(entry.2)
}
.boxed()
}
fn content<'a>(&self) -> Content<'a> {
futures::stream::once(futures::future::err(std::io::Error::from(
std::io::ErrorKind::Unsupported,
)))
.boxed()
}
fn content_type(&self) -> &str {
"text/plain"
}
fn etag(&self) -> BoxFuture<Option<Etag>> {
async { None }.boxed()
}
fn delete(&self) -> BoxFuture<std::result::Result<(), std::io::Error>> {
// Nothing to delete
async { Ok(()) }.boxed()
}
}