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Commit | Line | Data |
---|---|---|
91e45873 | 1 | use std::collections::HashMap; |
db0cb9ce | 2 | use std::future::Future; |
62ee2eb4 | 3 | use std::hash::BuildHasher; |
826bb982 | 4 | use std::path::{Path, PathBuf}; |
91e45873 | 5 | use std::pin::Pin; |
8e7e2223 | 6 | use std::sync::{Arc, Mutex}; |
91e45873 | 7 | use std::task::{Context, Poll}; |
9bc17e8d | 8 | |
f7d4e4b5 | 9 | use anyhow::{bail, format_err, Error}; |
ad51d02a | 10 | use futures::future::{self, FutureExt, TryFutureExt}; |
91e45873 | 11 | use futures::stream::TryStreamExt; |
8e7e2223 | 12 | use hyper::body::HttpBody; |
d43c407a | 13 | use hyper::header::{self, HeaderMap}; |
91e45873 | 14 | use hyper::http::request::Parts; |
91e45873 | 15 | use hyper::{Body, Request, Response, StatusCode}; |
29633e2f | 16 | use lazy_static::lazy_static; |
d43c407a | 17 | use regex::Regex; |
7fa9a37c | 18 | use serde_json::Value; |
9bc17e8d | 19 | use tokio::fs::File; |
db0cb9ce | 20 | use tokio::time::Instant; |
91e45873 | 21 | use url::form_urlencoded; |
9bc17e8d | 22 | |
4e6dc587 | 23 | use proxmox::api::schema::{ |
d43c407a | 24 | parse_parameter_strings, parse_simple_value, verify_json_object, ObjectSchemaType, |
29a59b38 | 25 | ParameterSchema, |
4e6dc587 | 26 | }; |
d43c407a TL |
27 | use proxmox::api::{ |
28 | check_api_permission, ApiHandler, ApiMethod, HttpError, Permission, RpcEnvironment, | |
98b7d58b | 29 | RpcEnvironmentType, UserInformation, |
d43c407a TL |
30 | }; |
31 | use proxmox::http_err; | |
a2479cfa | 32 | |
2b7f8dd5 | 33 | use pbs_tools::compression::{DeflateEncoder, Level}; |
fc5870be | 34 | use pbs_tools::stream::AsyncReaderStream; |
6fbf0acc DM |
35 | |
36 | use crate::{ | |
36b7085e | 37 | ApiConfig, FileLogger, AuthError, RestEnvironment, CompressionMethod, |
6fbf0acc | 38 | extract_cookie, normalize_uri_path, formatter::*, |
605fe2e7 | 39 | }; |
e57e1cd8 | 40 | |
d43c407a TL |
41 | extern "C" { |
42 | fn tzset(); | |
43 | } | |
4b2cdeb9 | 44 | |
1b1a5537 DM |
45 | struct AuthStringExtension(String); |
46 | ||
98b7d58b DM |
47 | struct EmptyUserInformation {} |
48 | ||
49 | impl UserInformation for EmptyUserInformation { | |
50 | fn is_superuser(&self, _userid: &str) -> bool { false } | |
51 | fn is_group_member(&self, _userid: &str, _group: &str) -> bool { false } | |
52 | fn lookup_privs(&self, _userid: &str, _path: &[&str]) -> u64 { 0 } | |
53 | } | |
54 | ||
f0b10921 DM |
55 | pub struct RestServer { |
56 | pub api_config: Arc<ApiConfig>, | |
57 | } | |
58 | ||
4703ba81 | 59 | const MAX_URI_QUERY_LENGTH: usize = 3072; |
59477ad2 | 60 | const CHUNK_SIZE_LIMIT: u64 = 32 * 1024; |
4703ba81 | 61 | |
f0b10921 | 62 | impl RestServer { |
f0b10921 | 63 | pub fn new(api_config: ApiConfig) -> Self { |
d43c407a TL |
64 | Self { |
65 | api_config: Arc::new(api_config), | |
66 | } | |
f0b10921 DM |
67 | } |
68 | } | |
69 | ||
d43c407a TL |
70 | impl tower_service::Service<&Pin<Box<tokio_openssl::SslStream<tokio::net::TcpStream>>>> |
71 | for RestServer | |
72 | { | |
91e45873 | 73 | type Response = ApiService; |
7fb4f564 | 74 | type Error = Error; |
91e45873 WB |
75 | type Future = Pin<Box<dyn Future<Output = Result<ApiService, Error>> + Send>>; |
76 | ||
77 | fn poll_ready(&mut self, _cx: &mut Context) -> Poll<Result<(), Self::Error>> { | |
78 | Poll::Ready(Ok(())) | |
79 | } | |
80 | ||
d43c407a TL |
81 | fn call( |
82 | &mut self, | |
83 | ctx: &Pin<Box<tokio_openssl::SslStream<tokio::net::TcpStream>>>, | |
84 | ) -> Self::Future { | |
91e45873 | 85 | match ctx.get_ref().peer_addr() { |
d43c407a TL |
86 | Err(err) => future::err(format_err!("unable to get peer address - {}", err)).boxed(), |
87 | Ok(peer) => future::ok(ApiService { | |
88 | peer, | |
89 | api_config: self.api_config.clone(), | |
90 | }) | |
91 | .boxed(), | |
80af0467 | 92 | } |
f0b10921 DM |
93 | } |
94 | } | |
95 | ||
91e45873 WB |
96 | impl tower_service::Service<&tokio::net::TcpStream> for RestServer { |
97 | type Response = ApiService; | |
7fb4f564 | 98 | type Error = Error; |
91e45873 WB |
99 | type Future = Pin<Box<dyn Future<Output = Result<ApiService, Error>> + Send>>; |
100 | ||
101 | fn poll_ready(&mut self, _cx: &mut Context) -> Poll<Result<(), Self::Error>> { | |
102 | Poll::Ready(Ok(())) | |
103 | } | |
104 | ||
105 | fn call(&mut self, ctx: &tokio::net::TcpStream) -> Self::Future { | |
80af0467 | 106 | match ctx.peer_addr() { |
d43c407a TL |
107 | Err(err) => future::err(format_err!("unable to get peer address - {}", err)).boxed(), |
108 | Ok(peer) => future::ok(ApiService { | |
109 | peer, | |
110 | api_config: self.api_config.clone(), | |
111 | }) | |
112 | .boxed(), | |
80af0467 | 113 | } |
7fb4f564 DM |
114 | } |
115 | } | |
116 | ||
b57c0dbe SR |
117 | impl tower_service::Service<&tokio::net::UnixStream> for RestServer { |
118 | type Response = ApiService; | |
119 | type Error = Error; | |
120 | type Future = Pin<Box<dyn Future<Output = Result<ApiService, Error>> + Send>>; | |
121 | ||
122 | fn poll_ready(&mut self, _cx: &mut Context) -> Poll<Result<(), Self::Error>> { | |
123 | Poll::Ready(Ok(())) | |
124 | } | |
125 | ||
126 | fn call(&mut self, _ctx: &tokio::net::UnixStream) -> Self::Future { | |
127 | // TODO: Find a way to actually represent the vsock peer in the ApiService struct - for now | |
128 | // it doesn't really matter, so just use a fake IP address | |
129 | let fake_peer = "0.0.0.0:807".parse().unwrap(); | |
130 | future::ok(ApiService { | |
131 | peer: fake_peer, | |
d43c407a TL |
132 | api_config: self.api_config.clone(), |
133 | }) | |
134 | .boxed() | |
b57c0dbe SR |
135 | } |
136 | } | |
137 | ||
f0b10921 | 138 | pub struct ApiService { |
7fb4f564 | 139 | pub peer: std::net::SocketAddr, |
f0b10921 DM |
140 | pub api_config: Arc<ApiConfig>, |
141 | } | |
142 | ||
7fb4f564 | 143 | fn log_response( |
fe4cc5b1 | 144 | logfile: Option<&Arc<Mutex<FileLogger>>>, |
7fb4f564 DM |
145 | peer: &std::net::SocketAddr, |
146 | method: hyper::Method, | |
400c568f | 147 | path_query: &str, |
7fb4f564 | 148 | resp: &Response<Body>, |
86f3c236 | 149 | user_agent: Option<String>, |
7fb4f564 | 150 | ) { |
d43c407a TL |
151 | if resp.extensions().get::<NoLogExtension>().is_some() { |
152 | return; | |
153 | }; | |
7e03988c | 154 | |
4703ba81 TL |
155 | // we also log URL-to-long requests, so avoid message bigger than PIPE_BUF (4k on Linux) |
156 | // to profit from atomicty guarantees for O_APPEND opened logfiles | |
400c568f | 157 | let path = &path_query[..MAX_URI_QUERY_LENGTH.min(path_query.len())]; |
4703ba81 | 158 | |
d4736445 | 159 | let status = resp.status(); |
1133fe9a | 160 | if !(status.is_success() || status.is_informational()) { |
d4736445 | 161 | let reason = status.canonical_reason().unwrap_or("unknown reason"); |
44c00c0d | 162 | |
6b5013ed TL |
163 | let message = match resp.extensions().get::<ErrorMessageExtension>() { |
164 | Some(data) => &data.0, | |
165 | None => "request failed", | |
166 | }; | |
d4736445 | 167 | |
d43c407a TL |
168 | log::error!( |
169 | "{} {}: {} {}: [client {}] {}", | |
170 | method.as_str(), | |
171 | path, | |
172 | status.as_str(), | |
173 | reason, | |
174 | peer, | |
175 | message | |
176 | ); | |
78a1fa67 | 177 | } |
8e7e2223 | 178 | if let Some(logfile) = logfile { |
1b1a5537 DM |
179 | let auth_id = match resp.extensions().get::<AuthStringExtension>() { |
180 | Some(AuthStringExtension(auth_id)) => auth_id.clone(), | |
e6dc35ac | 181 | None => "-".to_string(), |
8e7e2223 TL |
182 | }; |
183 | let now = proxmox::tools::time::epoch_i64(); | |
184 | // time format which apache/nginx use (by default), copied from pve-http-server | |
185 | let datetime = proxmox::tools::time::strftime_local("%d/%m/%Y:%H:%M:%S %z", now) | |
e062ebbc | 186 | .unwrap_or_else(|_| "-".to_string()); |
8e7e2223 | 187 | |
d43c407a TL |
188 | logfile.lock().unwrap().log(format!( |
189 | "{} - {} [{}] \"{} {}\" {} {} {}", | |
190 | peer.ip(), | |
191 | auth_id, | |
192 | datetime, | |
193 | method.as_str(), | |
194 | path, | |
195 | status.as_str(), | |
196 | resp.body().size_hint().lower(), | |
197 | user_agent.unwrap_or_else(|| "-".to_string()), | |
198 | )); | |
8e7e2223 | 199 | } |
78a1fa67 | 200 | } |
1b1a5537 | 201 | |
29633e2f TL |
202 | fn get_proxied_peer(headers: &HeaderMap) -> Option<std::net::SocketAddr> { |
203 | lazy_static! { | |
204 | static ref RE: Regex = Regex::new(r#"for="([^"]+)""#).unwrap(); | |
205 | } | |
206 | let forwarded = headers.get(header::FORWARDED)?.to_str().ok()?; | |
207 | let capture = RE.captures(&forwarded)?; | |
208 | let rhost = capture.get(1)?.as_str(); | |
209 | ||
210 | rhost.parse().ok() | |
211 | } | |
212 | ||
86f3c236 TL |
213 | fn get_user_agent(headers: &HeaderMap) -> Option<String> { |
214 | let agent = headers.get(header::USER_AGENT)?.to_str(); | |
d43c407a TL |
215 | agent |
216 | .map(|s| { | |
217 | let mut s = s.to_owned(); | |
218 | s.truncate(128); | |
219 | s | |
220 | }) | |
221 | .ok() | |
86f3c236 TL |
222 | } |
223 | ||
91e45873 WB |
224 | impl tower_service::Service<Request<Body>> for ApiService { |
225 | type Response = Response<Body>; | |
7fb4f564 | 226 | type Error = Error; |
12e874ce FG |
227 | #[allow(clippy::type_complexity)] |
228 | type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send>>; | |
91e45873 WB |
229 | |
230 | fn poll_ready(&mut self, _cx: &mut Context) -> Poll<Result<(), Self::Error>> { | |
231 | Poll::Ready(Ok(())) | |
232 | } | |
f0b10921 | 233 | |
91e45873 | 234 | fn call(&mut self, req: Request<Body>) -> Self::Future { |
400c568f | 235 | let path = req.uri().path_and_query().unwrap().as_str().to_owned(); |
d4736445 | 236 | let method = req.method().clone(); |
86f3c236 | 237 | let user_agent = get_user_agent(req.headers()); |
d4736445 | 238 | |
07995a3c | 239 | let config = Arc::clone(&self.api_config); |
29633e2f TL |
240 | let peer = match get_proxied_peer(req.headers()) { |
241 | Some(proxied_peer) => proxied_peer, | |
242 | None => self.peer, | |
243 | }; | |
07995a3c | 244 | async move { |
8e7e2223 | 245 | let response = match handle_request(Arc::clone(&config), req, &peer).await { |
b947b1e7 | 246 | Ok(response) => response, |
f0b10921 | 247 | Err(err) => { |
b947b1e7 TL |
248 | let (err, code) = match err.downcast_ref::<HttpError>() { |
249 | Some(apierr) => (apierr.message.clone(), apierr.code), | |
250 | _ => (err.to_string(), StatusCode::BAD_REQUEST), | |
251 | }; | |
f4d371d2 TL |
252 | Response::builder() |
253 | .status(code) | |
254 | .extension(ErrorMessageExtension(err.to_string())) | |
255 | .body(err.into())? | |
f0b10921 | 256 | } |
b947b1e7 | 257 | }; |
36b7085e | 258 | let logger = config.get_access_log(); |
86f3c236 | 259 | log_response(logger, &peer, method, &path, &response, user_agent); |
b947b1e7 | 260 | Ok(response) |
07995a3c TL |
261 | } |
262 | .boxed() | |
f0b10921 DM |
263 | } |
264 | } | |
265 | ||
70fbac84 | 266 | fn parse_query_parameters<S: 'static + BuildHasher + Send>( |
b2362a12 | 267 | param_schema: ParameterSchema, |
70fbac84 DM |
268 | form: &str, // x-www-form-urlencoded body data |
269 | parts: &Parts, | |
270 | uri_param: &HashMap<String, String, S>, | |
271 | ) -> Result<Value, Error> { | |
70fbac84 DM |
272 | let mut param_list: Vec<(String, String)> = vec![]; |
273 | ||
274 | if !form.is_empty() { | |
275 | for (k, v) in form_urlencoded::parse(form.as_bytes()).into_owned() { | |
276 | param_list.push((k, v)); | |
277 | } | |
278 | } | |
279 | ||
280 | if let Some(query_str) = parts.uri.query() { | |
281 | for (k, v) in form_urlencoded::parse(query_str.as_bytes()).into_owned() { | |
d43c407a TL |
282 | if k == "_dc" { |
283 | continue; | |
284 | } // skip extjs "disable cache" parameter | |
70fbac84 DM |
285 | param_list.push((k, v)); |
286 | } | |
287 | } | |
288 | ||
289 | for (k, v) in uri_param { | |
290 | param_list.push((k.clone(), v.clone())); | |
291 | } | |
292 | ||
293 | let params = parse_parameter_strings(¶m_list, param_schema, true)?; | |
294 | ||
295 | Ok(params) | |
296 | } | |
297 | ||
2bbd835b | 298 | async fn get_request_parameters<S: 'static + BuildHasher + Send>( |
b2362a12 | 299 | param_schema: ParameterSchema, |
9bc17e8d DM |
300 | parts: Parts, |
301 | req_body: Body, | |
62ee2eb4 | 302 | uri_param: HashMap<String, String, S>, |
ad51d02a | 303 | ) -> Result<Value, Error> { |
0ffbccce DM |
304 | let mut is_json = false; |
305 | ||
306 | if let Some(value) = parts.headers.get(header::CONTENT_TYPE) { | |
8346f0d5 DM |
307 | match value.to_str().map(|v| v.split(';').next()) { |
308 | Ok(Some("application/x-www-form-urlencoded")) => { | |
309 | is_json = false; | |
310 | } | |
311 | Ok(Some("application/json")) => { | |
312 | is_json = true; | |
313 | } | |
ad51d02a | 314 | _ => bail!("unsupported content type {:?}", value.to_str()), |
0ffbccce DM |
315 | } |
316 | } | |
317 | ||
eeff085d TL |
318 | let body = TryStreamExt::map_err(req_body, |err| { |
319 | http_err!(BAD_REQUEST, "Problems reading request body: {}", err) | |
320 | }) | |
321 | .try_fold(Vec::new(), |mut acc, chunk| async move { | |
322 | // FIXME: max request body size? | |
323 | if acc.len() + chunk.len() < 64 * 1024 { | |
324 | acc.extend_from_slice(&*chunk); | |
325 | Ok(acc) | |
326 | } else { | |
327 | Err(http_err!(BAD_REQUEST, "Request body too large")) | |
328 | } | |
329 | }) | |
330 | .await?; | |
9bc17e8d | 331 | |
d43c407a TL |
332 | let utf8_data = |
333 | std::str::from_utf8(&body).map_err(|err| format_err!("Request body not uft8: {}", err))?; | |
0ffbccce | 334 | |
ad51d02a | 335 | if is_json { |
70fbac84 | 336 | let mut params: Value = serde_json::from_str(utf8_data)?; |
ad51d02a | 337 | for (k, v) in uri_param { |
75a5a689 | 338 | if let Some((_optional, prop_schema)) = param_schema.lookup(&k) { |
ad51d02a | 339 | params[&k] = parse_simple_value(&v, prop_schema)?; |
9bc17e8d | 340 | } |
ad51d02a | 341 | } |
b2362a12 | 342 | verify_json_object(¶ms, ¶m_schema)?; |
ad51d02a | 343 | return Ok(params); |
70fbac84 DM |
344 | } else { |
345 | parse_query_parameters(param_schema, utf8_data, &parts, &uri_param) | |
ad51d02a | 346 | } |
9bc17e8d DM |
347 | } |
348 | ||
7171b3e0 DM |
349 | struct NoLogExtension(); |
350 | ||
ad51d02a | 351 | async fn proxy_protected_request( |
4b2cdeb9 | 352 | info: &'static ApiMethod, |
a3da38dd | 353 | mut parts: Parts, |
f1204833 | 354 | req_body: Body, |
29633e2f | 355 | peer: &std::net::SocketAddr, |
ad51d02a | 356 | ) -> Result<Response<Body>, Error> { |
a3da38dd DM |
357 | let mut uri_parts = parts.uri.clone().into_parts(); |
358 | ||
359 | uri_parts.scheme = Some(http::uri::Scheme::HTTP); | |
360 | uri_parts.authority = Some(http::uri::Authority::from_static("127.0.0.1:82")); | |
361 | let new_uri = http::Uri::from_parts(uri_parts).unwrap(); | |
362 | ||
363 | parts.uri = new_uri; | |
364 | ||
29633e2f | 365 | let mut request = Request::from_parts(parts, req_body); |
d43c407a TL |
366 | request.headers_mut().insert( |
367 | header::FORWARDED, | |
368 | format!("for=\"{}\";", peer).parse().unwrap(), | |
369 | ); | |
a3da38dd | 370 | |
ad51d02a DM |
371 | let reload_timezone = info.reload_timezone; |
372 | ||
a3da38dd DM |
373 | let resp = hyper::client::Client::new() |
374 | .request(request) | |
fc7f0352 | 375 | .map_err(Error::from) |
91e45873 | 376 | .map_ok(|mut resp| { |
1cb99c23 | 377 | resp.extensions_mut().insert(NoLogExtension()); |
7e03988c | 378 | resp |
ad51d02a DM |
379 | }) |
380 | .await?; | |
a3da38dd | 381 | |
d43c407a TL |
382 | if reload_timezone { |
383 | unsafe { | |
384 | tzset(); | |
385 | } | |
386 | } | |
1cb99c23 | 387 | |
ad51d02a | 388 | Ok(resp) |
f1204833 DM |
389 | } |
390 | ||
f7348a23 | 391 | pub(crate) async fn handle_api_request<Env: RpcEnvironment, S: 'static + BuildHasher + Send>( |
f757b30e | 392 | mut rpcenv: Env, |
279ecfdf | 393 | info: &'static ApiMethod, |
53daae8e | 394 | formatter: &'static dyn OutputFormatter, |
9bc17e8d DM |
395 | parts: Parts, |
396 | req_body: Body, | |
62ee2eb4 | 397 | uri_param: HashMap<String, String, S>, |
ad51d02a | 398 | ) -> Result<Response<Body>, Error> { |
a154a8e8 | 399 | let delay_unauth_time = std::time::Instant::now() + std::time::Duration::from_millis(3000); |
2f29f1c7 | 400 | let compression = extract_compression_method(&parts.headers); |
a154a8e8 | 401 | |
70fbac84 | 402 | let result = match info.handler { |
329d40b5 | 403 | ApiHandler::AsyncHttp(handler) => { |
70fbac84 DM |
404 | let params = parse_query_parameters(info.parameters, "", &parts, &uri_param)?; |
405 | (handler)(parts, req_body, params, info, Box::new(rpcenv)).await | |
406 | } | |
407 | ApiHandler::Sync(handler) => { | |
d43c407a TL |
408 | let params = |
409 | get_request_parameters(info.parameters, parts, req_body, uri_param).await?; | |
53daae8e | 410 | (handler)(params, info, &mut rpcenv).map(|data| formatter.format_data(data, &rpcenv)) |
70fbac84 | 411 | } |
bb084b9c | 412 | ApiHandler::Async(handler) => { |
d43c407a TL |
413 | let params = |
414 | get_request_parameters(info.parameters, parts, req_body, uri_param).await?; | |
bb084b9c DM |
415 | (handler)(params, info, &mut rpcenv) |
416 | .await | |
53daae8e | 417 | .map(|data| formatter.format_data(data, &rpcenv)) |
bb084b9c | 418 | } |
70fbac84 | 419 | }; |
a154a8e8 | 420 | |
2f29f1c7 | 421 | let mut resp = match result { |
70fbac84 | 422 | Ok(resp) => resp, |
ad51d02a DM |
423 | Err(err) => { |
424 | if let Some(httperr) = err.downcast_ref::<HttpError>() { | |
425 | if httperr.code == StatusCode::UNAUTHORIZED { | |
0a8d773a | 426 | tokio::time::sleep_until(Instant::from_std(delay_unauth_time)).await; |
ad51d02a | 427 | } |
4b2cdeb9 | 428 | } |
53daae8e | 429 | formatter.format_error(err) |
ad51d02a DM |
430 | } |
431 | }; | |
4b2cdeb9 | 432 | |
2f29f1c7 DC |
433 | let resp = match compression { |
434 | Some(CompressionMethod::Deflate) => { | |
435 | resp.headers_mut().insert( | |
436 | header::CONTENT_ENCODING, | |
437 | CompressionMethod::Deflate.content_encoding(), | |
438 | ); | |
439 | resp.map(|body| { | |
440 | Body::wrap_stream(DeflateEncoder::with_quality( | |
f2f43e19 | 441 | TryStreamExt::map_err(body, |err| { |
2f29f1c7 DC |
442 | proxmox::io_format_err!("error during compression: {}", err) |
443 | }), | |
b84e8aae | 444 | Level::Default, |
2f29f1c7 DC |
445 | )) |
446 | }) | |
447 | } | |
448 | None => resp, | |
449 | }; | |
450 | ||
d43c407a TL |
451 | if info.reload_timezone { |
452 | unsafe { | |
453 | tzset(); | |
454 | } | |
455 | } | |
ad51d02a | 456 | |
ad51d02a | 457 | Ok(resp) |
7e21da6e DM |
458 | } |
459 | ||
f4c514c1 | 460 | |
826bb982 | 461 | fn extension_to_content_type(filename: &Path) -> (&'static str, bool) { |
826bb982 DM |
462 | if let Some(ext) = filename.extension().and_then(|osstr| osstr.to_str()) { |
463 | return match ext { | |
464 | "css" => ("text/css", false), | |
465 | "html" => ("text/html", false), | |
466 | "js" => ("application/javascript", false), | |
467 | "json" => ("application/json", false), | |
468 | "map" => ("application/json", false), | |
469 | "png" => ("image/png", true), | |
470 | "ico" => ("image/x-icon", true), | |
471 | "gif" => ("image/gif", true), | |
472 | "svg" => ("image/svg+xml", false), | |
473 | "jar" => ("application/java-archive", true), | |
474 | "woff" => ("application/font-woff", true), | |
475 | "woff2" => ("application/font-woff2", true), | |
476 | "ttf" => ("application/font-snft", true), | |
477 | "pdf" => ("application/pdf", true), | |
478 | "epub" => ("application/epub+zip", true), | |
479 | "mp3" => ("audio/mpeg", true), | |
480 | "oga" => ("audio/ogg", true), | |
481 | "tgz" => ("application/x-compressed-tar", true), | |
482 | _ => ("application/octet-stream", false), | |
483 | }; | |
484 | } | |
485 | ||
486 | ("application/octet-stream", false) | |
487 | } | |
488 | ||
59477ad2 DC |
489 | async fn simple_static_file_download( |
490 | filename: PathBuf, | |
491 | content_type: &'static str, | |
492 | compression: Option<CompressionMethod>, | |
493 | ) -> Result<Response<Body>, Error> { | |
91e45873 | 494 | use tokio::io::AsyncReadExt; |
9bc17e8d | 495 | |
91e45873 WB |
496 | let mut file = File::open(filename) |
497 | .await | |
8aa67ee7 | 498 | .map_err(|err| http_err!(BAD_REQUEST, "File open failed: {}", err))?; |
9bc17e8d | 499 | |
91e45873 | 500 | let mut data: Vec<u8> = Vec::new(); |
91e45873 | 501 | |
59477ad2 DC |
502 | let mut response = match compression { |
503 | Some(CompressionMethod::Deflate) => { | |
b84e8aae | 504 | let mut enc = DeflateEncoder::with_quality(data, Level::Default); |
2d485333 TL |
505 | enc.compress_vec(&mut file, CHUNK_SIZE_LIMIT as usize) |
506 | .await?; | |
59477ad2 DC |
507 | let mut response = Response::new(enc.into_inner().into()); |
508 | response.headers_mut().insert( | |
509 | header::CONTENT_ENCODING, | |
510 | CompressionMethod::Deflate.content_encoding(), | |
511 | ); | |
512 | response | |
513 | } | |
514 | None => { | |
515 | file.read_to_end(&mut data) | |
516 | .await | |
517 | .map_err(|err| http_err!(BAD_REQUEST, "File read failed: {}", err))?; | |
518 | Response::new(data.into()) | |
519 | } | |
520 | }; | |
521 | ||
91e45873 WB |
522 | response.headers_mut().insert( |
523 | header::CONTENT_TYPE, | |
d43c407a TL |
524 | header::HeaderValue::from_static(content_type), |
525 | ); | |
59477ad2 | 526 | |
91e45873 WB |
527 | Ok(response) |
528 | } | |
529 | ||
59477ad2 DC |
530 | async fn chuncked_static_file_download( |
531 | filename: PathBuf, | |
532 | content_type: &'static str, | |
533 | compression: Option<CompressionMethod>, | |
534 | ) -> Result<Response<Body>, Error> { | |
535 | let mut resp = Response::builder() | |
536 | .status(StatusCode::OK) | |
537 | .header(header::CONTENT_TYPE, content_type); | |
826bb982 | 538 | |
91e45873 WB |
539 | let file = File::open(filename) |
540 | .await | |
8aa67ee7 | 541 | .map_err(|err| http_err!(BAD_REQUEST, "File open failed: {}", err))?; |
91e45873 | 542 | |
59477ad2 DC |
543 | let body = match compression { |
544 | Some(CompressionMethod::Deflate) => { | |
545 | resp = resp.header( | |
546 | header::CONTENT_ENCODING, | |
547 | CompressionMethod::Deflate.content_encoding(), | |
548 | ); | |
549 | Body::wrap_stream(DeflateEncoder::with_quality( | |
550 | AsyncReaderStream::new(file), | |
b84e8aae | 551 | Level::Default, |
59477ad2 DC |
552 | )) |
553 | } | |
554 | None => Body::wrap_stream(AsyncReaderStream::new(file)), | |
555 | }; | |
91e45873 | 556 | |
59477ad2 | 557 | Ok(resp.body(body).unwrap()) |
9bc17e8d DM |
558 | } |
559 | ||
59477ad2 DC |
560 | async fn handle_static_file_download( |
561 | filename: PathBuf, | |
562 | compression: Option<CompressionMethod>, | |
563 | ) -> Result<Response<Body>, Error> { | |
9c18e935 | 564 | let metadata = tokio::fs::metadata(filename.clone()) |
8aa67ee7 | 565 | .map_err(|err| http_err!(BAD_REQUEST, "File access problems: {}", err)) |
9c18e935 TL |
566 | .await?; |
567 | ||
59477ad2 DC |
568 | let (content_type, nocomp) = extension_to_content_type(&filename); |
569 | let compression = if nocomp { None } else { compression }; | |
570 | ||
571 | if metadata.len() < CHUNK_SIZE_LIMIT { | |
572 | simple_static_file_download(filename, content_type, compression).await | |
9c18e935 | 573 | } else { |
59477ad2 | 574 | chuncked_static_file_download(filename, content_type, compression).await |
9c18e935 | 575 | } |
9bc17e8d DM |
576 | } |
577 | ||
c30816c1 | 578 | fn extract_lang_header(headers: &http::HeaderMap) -> Option<String> { |
c47609fe | 579 | if let Some(Ok(cookie)) = headers.get("COOKIE").map(|v| v.to_str()) { |
778c7d95 | 580 | return extract_cookie(cookie, "PBSLangCookie"); |
c30816c1 | 581 | } |
c30816c1 FG |
582 | None |
583 | } | |
584 | ||
4d84e869 DC |
585 | // FIXME: support handling multiple compression methods |
586 | fn extract_compression_method(headers: &http::HeaderMap) -> Option<CompressionMethod> { | |
c47609fe TL |
587 | if let Some(Ok(encodings)) = headers.get(header::ACCEPT_ENCODING).map(|v| v.to_str()) { |
588 | for encoding in encodings.split(&[',', ' '][..]) { | |
589 | if let Ok(method) = encoding.parse() { | |
590 | return Some(method); | |
4d84e869 DC |
591 | } |
592 | } | |
593 | } | |
4d84e869 DC |
594 | None |
595 | } | |
596 | ||
29633e2f TL |
597 | async fn handle_request( |
598 | api: Arc<ApiConfig>, | |
599 | req: Request<Body>, | |
600 | peer: &std::net::SocketAddr, | |
601 | ) -> Result<Response<Body>, Error> { | |
141de837 | 602 | let (parts, body) = req.into_parts(); |
141de837 | 603 | let method = parts.method.clone(); |
778c7d95 | 604 | let (path, components) = normalize_uri_path(parts.uri.path())?; |
141de837 | 605 | |
9bc17e8d DM |
606 | let comp_len = components.len(); |
607 | ||
4703ba81 TL |
608 | let query = parts.uri.query().unwrap_or_default(); |
609 | if path.len() + query.len() > MAX_URI_QUERY_LENGTH { | |
610 | return Ok(Response::builder() | |
611 | .status(StatusCode::URI_TOO_LONG) | |
612 | .body("".into()) | |
613 | .unwrap()); | |
614 | } | |
615 | ||
f1204833 | 616 | let env_type = api.env_type(); |
36b7085e | 617 | let mut rpcenv = RestEnvironment::new(env_type, Arc::clone(&api)); |
e82dad97 | 618 | |
29633e2f TL |
619 | rpcenv.set_client_ip(Some(*peer)); |
620 | ||
26858dba | 621 | let auth = &api.api_auth; |
4b40148c | 622 | |
b9903d63 | 623 | let delay_unauth_time = std::time::Instant::now() + std::time::Duration::from_millis(3000); |
9989d2c4 | 624 | let access_forbidden_time = std::time::Instant::now() + std::time::Duration::from_millis(500); |
b9903d63 | 625 | |
576e3bf2 | 626 | if comp_len >= 1 && components[0] == "api2" { |
9bc17e8d DM |
627 | if comp_len >= 2 { |
628 | let format = components[1]; | |
ad51d02a | 629 | |
53daae8e DM |
630 | let formatter: &dyn OutputFormatter = match format { |
631 | "json" => JSON_FORMATTER, | |
632 | "extjs" => EXTJS_FORMATTER, | |
d43c407a | 633 | _ => bail!("Unsupported output format '{}'.", format), |
1571873d | 634 | }; |
9bc17e8d | 635 | |
e7ea17de | 636 | let mut uri_param = HashMap::new(); |
0ac61247 | 637 | let api_method = api.find_method(&components[2..], method.clone(), &mut uri_param); |
e7ea17de | 638 | |
0ac61247 TL |
639 | let mut auth_required = true; |
640 | if let Some(api_method) = api_method { | |
641 | if let Permission::World = *api_method.access.permission { | |
642 | auth_required = false; // no auth for endpoints with World permission | |
643 | } | |
644 | } | |
645 | ||
98b7d58b DM |
646 | let mut user_info: Box<dyn UserInformation + Send + Sync> = Box::new(EmptyUserInformation {}); |
647 | ||
0ac61247 | 648 | if auth_required { |
fd6d2438 | 649 | match auth.check_auth(&parts.headers, &method) { |
98b7d58b DM |
650 | Ok((authid, info)) => { |
651 | rpcenv.set_auth_id(Some(authid)); | |
652 | user_info = info; | |
653 | } | |
26858dba SR |
654 | Err(auth_err) => { |
655 | let err = match auth_err { | |
656 | AuthError::Generic(err) => err, | |
657 | AuthError::NoData => { | |
658 | format_err!("no authentication credentials provided.") | |
659 | } | |
660 | }; | |
36b7085e DM |
661 | // fixme: log Username?? |
662 | rpcenv.log_failed_auth(None, &err.to_string()); | |
4fdf13f9 | 663 | |
5ddf8cb1 | 664 | // always delay unauthorized calls by 3 seconds (from start of request) |
8aa67ee7 | 665 | let err = http_err!(UNAUTHORIZED, "authentication failed - {}", err); |
0a8d773a | 666 | tokio::time::sleep_until(Instant::from_std(delay_unauth_time)).await; |
53daae8e | 667 | return Ok(formatter.format_error(err)); |
5ddf8cb1 | 668 | } |
b9903d63 DM |
669 | } |
670 | } | |
d7d23785 | 671 | |
0ac61247 | 672 | match api_method { |
255f378a | 673 | None => { |
8aa67ee7 | 674 | let err = http_err!(NOT_FOUND, "Path '{}' not found.", path); |
53daae8e | 675 | return Ok(formatter.format_error(err)); |
49d123ee | 676 | } |
255f378a | 677 | Some(api_method) => { |
e6dc35ac | 678 | let auth_id = rpcenv.get_auth_id(); |
98b7d58b | 679 | let user_info = user_info; |
fd6d2438 | 680 | |
d43c407a TL |
681 | if !check_api_permission( |
682 | api_method.access.permission, | |
683 | auth_id.as_deref(), | |
684 | &uri_param, | |
685 | user_info.as_ref(), | |
686 | ) { | |
8aa67ee7 | 687 | let err = http_err!(FORBIDDEN, "permission check failed"); |
0a8d773a | 688 | tokio::time::sleep_until(Instant::from_std(access_forbidden_time)).await; |
53daae8e | 689 | return Ok(formatter.format_error(err)); |
4b40148c DM |
690 | } |
691 | ||
4299ca72 | 692 | let result = if api_method.protected && env_type == RpcEnvironmentType::PUBLIC { |
29633e2f | 693 | proxy_protected_request(api_method, parts, body, peer).await |
f1204833 | 694 | } else { |
d43c407a TL |
695 | handle_api_request(rpcenv, api_method, formatter, parts, body, uri_param) |
696 | .await | |
4299ca72 DM |
697 | }; |
698 | ||
8e7e2223 TL |
699 | let mut response = match result { |
700 | Ok(resp) => resp, | |
53daae8e | 701 | Err(err) => formatter.format_error(err), |
8e7e2223 TL |
702 | }; |
703 | ||
e6dc35ac | 704 | if let Some(auth_id) = auth_id { |
1b1a5537 | 705 | response.extensions_mut().insert(AuthStringExtension(auth_id)); |
f1204833 | 706 | } |
8e7e2223 TL |
707 | |
708 | return Ok(response); | |
7e21da6e | 709 | } |
9bc17e8d DM |
710 | } |
711 | } | |
d43c407a | 712 | } else { |
7f168523 | 713 | // not Auth required for accessing files! |
9bc17e8d | 714 | |
7d4ef127 | 715 | if method != hyper::Method::GET { |
ad51d02a | 716 | bail!("Unsupported HTTP method {}", method); |
7d4ef127 DM |
717 | } |
718 | ||
f4c514c1 | 719 | if comp_len == 0 { |
c30816c1 | 720 | let language = extract_lang_header(&parts.headers); |
fd6d2438 | 721 | match auth.check_auth(&parts.headers, &method) { |
98b7d58b | 722 | Ok((auth_id, _user_info)) => { |
7fa9a37c | 723 | return Ok(api.get_index(Some(auth_id), language, parts)); |
7f168523 | 724 | } |
26858dba SR |
725 | Err(AuthError::Generic(_)) => { |
726 | tokio::time::sleep_until(Instant::from_std(delay_unauth_time)).await; | |
727 | } | |
728 | Err(AuthError::NoData) => {} | |
7f168523 | 729 | } |
7fa9a37c | 730 | return Ok(api.get_index(None, language, parts)); |
f4c514c1 DM |
731 | } else { |
732 | let filename = api.find_alias(&components); | |
59477ad2 DC |
733 | let compression = extract_compression_method(&parts.headers); |
734 | return handle_static_file_download(filename, compression).await; | |
f4c514c1 | 735 | } |
9bc17e8d DM |
736 | } |
737 | ||
8aa67ee7 | 738 | Err(http_err!(NOT_FOUND, "Path '{}' not found.", path)) |
9bc17e8d | 739 | } |