Files
Stalwart/crates/dav/src/request.rs
2025-05-16 16:20:04 +02:00

467 lines
18 KiB
Rust

/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use std::sync::Arc;
use common::{Server, auth::AccessToken};
use dav_proto::{
RequestHeaders,
parser::{DavParser, tokenizer::Tokenizer},
schema::{
Namespace,
property::WebDavProperty,
request::{Acl, LockInfo, MkCol, PropFind, PropertyUpdate, Report},
response::{
BaseCondition, ErrorResponse, PrincipalSearchProperty, PrincipalSearchPropertySet,
},
},
};
use directory::Permission;
use http_proto::{HttpRequest, HttpResponse, HttpSessionData, request::fetch_body};
use hyper::{StatusCode, header};
use jmap_proto::types::collection::Collection;
use crate::{
DavError, DavMethod, DavResource,
card::{
copy_move::CardCopyMoveRequestHandler, delete::CardDeleteRequestHandler,
get::CardGetRequestHandler, mkcol::CardMkColRequestHandler,
proppatch::CardPropPatchRequestHandler, query::CardQueryRequestHandler,
update::CardUpdateRequestHandler,
},
common::{
DavQuery,
acl::DavAclHandler,
lock::{LockRequest, LockRequestHandler},
propfind::PropFindRequestHandler,
uri::DavUriResource,
},
file::{
copy_move::FileCopyMoveRequestHandler, delete::FileDeleteRequestHandler,
get::FileGetRequestHandler, mkcol::FileMkColRequestHandler,
proppatch::FilePropPatchRequestHandler, update::FileUpdateRequestHandler,
},
principal::{matching::PrincipalMatching, propsearch::PrincipalPropSearch},
};
pub trait DavRequestHandler: Sync + Send {
fn handle_dav_request(
&self,
request: HttpRequest,
access_token: Arc<AccessToken>,
session: &HttpSessionData,
resource: DavResource,
method: DavMethod,
) -> impl Future<Output = HttpResponse> + Send;
}
pub(crate) trait DavRequestDispatcher: Sync + Send {
fn dispatch_dav_request(
&self,
request: &HttpRequest,
access_token: Arc<AccessToken>,
resource: DavResource,
method: DavMethod,
body: Vec<u8>,
) -> impl Future<Output = crate::Result<HttpResponse>> + Send;
}
impl DavRequestDispatcher for Server {
async fn dispatch_dav_request(
&self,
request: &HttpRequest,
access_token: Arc<AccessToken>,
resource: DavResource,
method: DavMethod,
body: Vec<u8>,
) -> crate::Result<HttpResponse> {
// Parse headers
let mut headers = RequestHeaders::new(request.uri().path());
for (key, value) in request.headers() {
headers.parse(key.as_str(), value.to_str().unwrap_or_default());
}
// Dispatch
match method {
DavMethod::PROPFIND => {
self.handle_propfind_request(
&access_token,
headers,
PropFind::parse(&mut Tokenizer::new(&body))?,
)
.await
}
DavMethod::PROPPATCH => {
let request = PropertyUpdate::parse(&mut Tokenizer::new(&body))?;
match resource {
DavResource::Card => {
self.handle_card_proppatch_request(&access_token, headers, request)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_proppatch_request(&access_token, headers, request)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
}
}
DavMethod::MKCOL => {
let request = if !body.is_empty() {
Some(MkCol::parse(&mut Tokenizer::new(&body))?)
} else {
None
};
match resource {
DavResource::Card => {
self.handle_card_mkcol_request(&access_token, headers, request)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_mkcol_request(&access_token, headers, request)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
}
}
DavMethod::GET => match resource {
DavResource::Card => {
self.handle_card_get_request(&access_token, headers, false)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_get_request(&access_token, headers, false)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
},
DavMethod::HEAD => match resource {
DavResource::Card => {
self.handle_card_get_request(&access_token, headers, true)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
#[cfg(debug_assertions)]
{
// Deal with Litmus bug
self.handle_file_get_request(
&access_token,
headers,
!request.headers().contains_key("x-litmus"),
)
.await
}
#[cfg(not(debug_assertions))]
{
self.handle_file_get_request(&access_token, headers, true)
.await
}
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
},
DavMethod::DELETE => {
// Include any fragments in the URI
if let Some(p) = request.uri().path_and_query() {
// TODO: Access to the fragment part is pending, see https://github.com/hyperium/http/issues/127
headers.uri = p.as_str();
}
match resource {
DavResource::Card => {
self.handle_card_delete_request(&access_token, headers)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_delete_request(&access_token, headers)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
}
}
DavMethod::PUT | DavMethod::POST => match resource {
DavResource::Card => {
self.handle_card_update_request(&access_token, headers, body, false)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_update_request(&access_token, headers, body, false)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
},
DavMethod::PATCH => match resource {
DavResource::Card => {
self.handle_card_update_request(&access_token, headers, body, true)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_update_request(&access_token, headers, body, true)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
},
DavMethod::COPY => match resource {
DavResource::Card => {
self.handle_card_copy_move_request(&access_token, headers, false)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_copy_move_request(&access_token, headers, false)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
},
DavMethod::MOVE => match resource {
DavResource::Card => {
self.handle_card_copy_move_request(&access_token, headers, false)
.await
}
DavResource::Cal => todo!(),
DavResource::File => {
self.handle_file_copy_move_request(&access_token, headers, true)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
},
DavMethod::LOCK => match resource {
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
_ => {
self.handle_lock_request(
&access_token,
headers,
if !body.is_empty() {
LockRequest::Lock(LockInfo::parse(&mut Tokenizer::new(&body))?)
} else {
LockRequest::Refresh
},
)
.await
}
},
DavMethod::UNLOCK => {
self.handle_lock_request(&access_token, headers, LockRequest::Unlock)
.await
}
DavMethod::ACL => {
let request = Acl::parse(&mut Tokenizer::new(&body))?;
match resource {
DavResource::Card | DavResource::Cal | DavResource::File => {
self.handle_acl_request(&access_token, headers, request)
.await
}
DavResource::Principal => Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED)),
}
}
DavMethod::REPORT => match Report::parse(&mut Tokenizer::new(&body))? {
Report::SyncCollection(sync_collection) => {
let uri = self
.validate_uri(&access_token, headers.uri)
.await
.and_then(|d| d.into_owned_uri())?;
match resource {
DavResource::Card | DavResource::Cal | DavResource::File => {
self.handle_dav_query(
&access_token,
DavQuery::changes(uri, sync_collection, headers),
)
.await
}
DavResource::Principal => {
Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED))
}
}
}
Report::AclPrincipalPropSet(report) => {
self.handle_acl_prop_set(&access_token, headers, report)
.await
}
Report::PrincipalMatch(report) => {
self.handle_principal_match(&access_token, headers, report)
.await
}
Report::PrincipalPropertySearch(report) => {
if resource == DavResource::Principal {
self.handle_principal_property_search(&access_token, report)
.await
} else {
Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED))
}
}
Report::PrincipalSearchPropertySet => {
if resource == DavResource::Principal {
Ok(HttpResponse::new(StatusCode::OK).with_xml_body(
PrincipalSearchPropertySet::new(vec![PrincipalSearchProperty::new(
WebDavProperty::DisplayName,
"Account or Group name",
)])
.to_string(),
))
} else {
Err(DavError::Code(StatusCode::METHOD_NOT_ALLOWED))
}
}
Report::AddressbookQuery(report) => {
self.handle_card_query_request(&access_token, headers, report)
.await
}
Report::AddressbookMultiGet(report) => {
self.handle_dav_query(
&access_token,
DavQuery::multiget(report, Collection::AddressBook, headers),
)
.await
}
Report::CalendarQuery(report) => todo!(),
Report::CalendarMultiGet(report) => todo!(),
Report::FreeBusyQuery(report) => todo!(),
Report::ExpandProperty(report) => todo!(),
},
DavMethod::OPTIONS => unreachable!(),
}
}
}
impl DavRequestHandler for Server {
async fn handle_dav_request(
&self,
mut request: HttpRequest,
access_token: Arc<AccessToken>,
session: &HttpSessionData,
resource: DavResource,
method: DavMethod,
) -> HttpResponse {
let body = if method.has_body()
|| request
.headers()
.get(header::CONTENT_LENGTH)
.and_then(|v| v.to_str().ok())
.and_then(|v| v.parse::<u64>().ok())
.is_some_and(|len| len > 0)
{
if let Some(body) = fetch_body(
&mut request,
if !access_token.has_permission(Permission::UnlimitedUploads) {
self.core.dav.max_request_size
} else {
0
},
session.session_id,
)
.await
{
body
} else {
trc::event!(
Limit(trc::LimitEvent::SizeRequest),
SpanId = session.session_id,
Contents = "Request body too large",
);
return HttpResponse::new(StatusCode::PAYLOAD_TOO_LARGE);
}
} else {
Vec::new()
};
let std_body = std::str::from_utf8(&body).unwrap_or("[binary]").to_string();
let result = match self
.dispatch_dav_request(&request, access_token, resource, method, body)
.await
{
Ok(response) => response,
Err(DavError::Internal(err)) => {
let err_type = err.event_type();
trc::error!(err.span_id(session.session_id));
match err_type {
trc::EventType::Limit(
trc::LimitEvent::Quota | trc::LimitEvent::TenantQuota,
) => HttpResponse::new(StatusCode::PRECONDITION_FAILED)
.with_xml_body(
ErrorResponse::new(BaseCondition::QuotaNotExceeded)
.with_namespace(resource)
.to_string(),
)
.with_no_cache(),
trc::EventType::Store(trc::StoreEvent::AssertValueFailed) => {
HttpResponse::new(StatusCode::CONFLICT)
}
_ => HttpResponse::new(StatusCode::INTERNAL_SERVER_ERROR),
}
}
Err(DavError::Parse(err)) => {
if request
.headers()
.get(header::CONTENT_TYPE)
.is_some_and(|h| h.to_str().unwrap_or_default().contains("/xml"))
{
HttpResponse::new(StatusCode::BAD_REQUEST)
} else {
HttpResponse::new(StatusCode::UNSUPPORTED_MEDIA_TYPE)
}
}
Err(DavError::Condition(condition)) => HttpResponse::new(condition.code)
.with_xml_body(
ErrorResponse::new(condition.condition)
.with_namespace(resource)
.to_string(),
)
.with_no_cache(),
Err(DavError::Code(code)) => HttpResponse::new(code),
};
let c = println!(
"------------------------------------------\n{:?} {} -> {:?}\nHeaders: {:?}\nBody: {}\nResponse headers: {:?}\nResponse: {}",
method,
request.uri().path(),
result.status(),
request.headers(),
std_body,
result.headers().unwrap(),
match &result.body() {
http_proto::HttpResponseBody::Text(t) => t,
http_proto::HttpResponseBody::Empty => "[empty]",
_ => "[binary]",
}
);
result
}
}
impl From<dav_proto::parser::Error> for DavError {
fn from(err: dav_proto::parser::Error) -> Self {
DavError::Parse(err)
}
}
impl From<trc::Error> for DavError {
fn from(err: trc::Error) -> Self {
DavError::Internal(err)
}
}
impl From<DavResource> for Namespace {
fn from(value: DavResource) -> Self {
match value {
DavResource::Card => Namespace::CardDav,
DavResource::Cal => Namespace::CalDav,
DavResource::File | DavResource::Principal => Namespace::Dav,
}
}
}