api_files.rs
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1//! File API: listing, download/preview/content, editor save, mutations,
2//! upload, access control and path-safety.
3
4mod common;
5
6use axum::http::StatusCode;
7use common::*;
8use serde_json::json;
9
10/// Root id for the whole-root (".") user root is 1 (first row inserted).
11const ROOT: i64 = 1;
12
13fn root_path(rel: &str) -> String {
14 // No trailing slash for the bare root: axum's routes are
15 // `/api/files/{root_id}` and `/api/files/{root_id}/{*path}`.
16 if rel.is_empty() {
17 format!("/api/files/{ROOT}")
18 } else {
19 format!("/api/files/{ROOT}/{rel}")
20 }
21}
22
23#[tokio::test]
24async fn list_root_sorted_folders_first() {
25 let env = Env::new().await;
26 let admin = env.admin().await;
27 let r = admin.get(&root_path("")).await;
28 assert_eq!(r.status, StatusCode::OK);
29 let j = r.json();
30 let entries = j["entries"].as_array().unwrap();
31 let names: Vec<&str> = entries
32 .iter()
33 .map(|e| e["name"].as_str().unwrap())
34 .collect();
35 assert_eq!(
36 names,
37 vec![
38 "docs",
39 "src",
40 "blob.bin",
41 "config.json",
42 "editme.txt",
43 "notes.md"
44 ]
45 );
46 // Entry fields.
47 let docs = &entries[0];
48 assert_eq!(docs["is_dir"], true);
49 let editme = entries.iter().find(|e| e["name"] == "editme.txt").unwrap();
50 assert_eq!(editme["is_dir"], false);
51 assert_eq!(editme["size"], 2);
52 assert!(editme["mtime"].as_str().unwrap().ends_with('Z'));
53}
54
55#[tokio::test]
56async fn list_subdir_and_errors() {
57 let env = Env::new().await;
58 let admin = env.admin().await;
59
60 let r = admin.get(&root_path("docs")).await;
61 let j = r.json();
62 let names: Vec<&str> = j
63 .get("entries")
64 .unwrap()
65 .as_array()
66 .unwrap()
67 .iter()
68 .map(|e| e["name"].as_str().unwrap())
69 .collect();
70 assert_eq!(names, vec!["inner", "a.txt"]);
71
72 // Missing path → 404.
73 assert_eq!(
74 admin.get(&root_path("nope")).await.status,
75 StatusCode::NOT_FOUND
76 );
77 // Listing a file → 400.
78 assert_eq!(
79 admin.get(&root_path("editme.txt")).await.status,
80 StatusCode::BAD_REQUEST
81 );
82 // Unknown root id → 403.
83 assert_eq!(
84 admin.get("/api/files/999").await.status,
85 StatusCode::FORBIDDEN
86 );
87 // No session → 401.
88 let anon = Client::new(env.app.clone());
89 assert_eq!(
90 anon.get(&root_path("")).await.status,
91 StatusCode::UNAUTHORIZED
92 );
93}
94
95#[tokio::test]
96async fn path_traversal_is_blocked() {
97 let env = Env::new().await;
98 let admin = env.admin().await;
99
100 // Encoded `..` segments reach the handler and are rejected.
101 let r = admin.get("/api/files/1/%2e%2e%2f%2e%2e%2fetc").await;
102 assert!(
103 r.status == StatusCode::FORBIDDEN || r.status == StatusCode::NOT_FOUND,
104 "traversal returned {:?}",
105 r.status
106 );
107 // Literal `..` segments: must never succeed.
108 let r = admin.get("/api/files/1/../../etc").await;
109 assert_ne!(
110 r.status,
111 StatusCode::OK,
112 "literal traversal must not be served"
113 );
114 // Traversal inside a deeper path.
115 let r = admin.get("/api/files/1/docs/..%2f..%2fsrc").await;
116 assert!(
117 r.status == StatusCode::FORBIDDEN || r.status == StatusCode::NOT_FOUND,
118 "deep traversal returned {:?}",
119 r.status
120 );
121}
122
123#[tokio::test]
124async fn download_single_file() {
125 let env = Env::new().await;
126 let admin = env.admin().await;
127 let r = admin
128 .get(&format!("{}?action=download", root_path("editme.txt")))
129 .await;
130 assert_eq!(r.status, StatusCode::OK);
131 assert_eq!(
132 r.header("content-disposition").as_deref(),
133 Some("attachment; filename=\"editme.txt\"")
134 );
135 assert_eq!(r.header("content-type").as_deref(), Some("text/plain"));
136 assert_eq!(r.body, b"v1");
137 // Binary content survives.
138 let r = admin
139 .get(&format!("{}?action=download", root_path("blob.bin")))
140 .await;
141 assert_eq!(r.body, (0..64u8).collect::<Vec<_>>());
142}
143
144#[tokio::test]
145async fn download_folder_as_all_archive_formats() {
146 let env = Env::new().await;
147 let admin = env.admin().await;
148 let path = format!("{}?action=download", root_path("docs"));
149
150 let r = admin.get(&format!("{path}&format=zip")).await;
151 assert_eq!(r.status, StatusCode::OK);
152 assert_eq!(r.header("content-type").as_deref(), Some("application/zip"));
153 assert_eq!(
154 r.header("content-disposition").as_deref(),
155 Some("attachment; filename=\"docs.zip\"")
156 );
157 let map = zip_map(&r.body);
158 assert_eq!(map.get("docs/a.txt").unwrap(), b"file a");
159 assert_eq!(map.get("docs/inner/hello.txt").unwrap(), b"hello world");
160
161 let r = admin.get(&format!("{path}&format=tar")).await;
162 assert_eq!(
163 r.header("content-type").as_deref(),
164 Some("application/x-tar")
165 );
166 assert_eq!(
167 r.header("content-disposition").as_deref(),
168 Some("attachment; filename=\"docs.tar\"")
169 );
170 let map = tar_map(&r.body, Compress::None);
171 assert_eq!(map.get("docs/a.txt").unwrap(), b"file a");
172 assert_eq!(map.get("docs/inner/hello.txt").unwrap(), b"hello world");
173
174 let r = admin.get(&format!("{path}&format=tar.gz")).await;
175 assert_eq!(
176 r.header("content-type").as_deref(),
177 Some("application/gzip")
178 );
179 assert_eq!(
180 r.header("content-disposition").as_deref(),
181 Some("attachment; filename=\"docs.tar.gz\"")
182 );
183 let map = tar_map(&r.body, Compress::Gz);
184 assert_eq!(map.get("docs/inner/hello.txt").unwrap(), b"hello world");
185
186 let r = admin.get(&format!("{path}&format=tar.zst")).await;
187 assert_eq!(
188 r.header("content-type").as_deref(),
189 Some("application/zstd")
190 );
191 assert_eq!(
192 r.header("content-disposition").as_deref(),
193 Some("attachment; filename=\"docs.tar.zst\"")
194 );
195 let map = tar_map(&r.body, Compress::Zst);
196 assert_eq!(map.get("docs/a.txt").unwrap(), b"file a");
197}
198
199#[tokio::test]
200async fn download_folder_requires_valid_format() {
201 let env = Env::new().await;
202 let admin = env.admin().await;
203 let path = format!("{}?action=download", root_path("docs"));
204 // No format → 400.
205 assert_eq!(admin.get(&path).await.status, StatusCode::BAD_REQUEST);
206 // Unknown format → 400.
207 assert_eq!(
208 admin.get(&format!("{path}&format=rar")).await.status,
209 StatusCode::BAD_REQUEST
210 );
211 // Downloading a file with a format is fine (format ignored).
212 let r = admin
213 .get(&format!(
214 "{}?action=download&format=zip",
215 root_path("editme.txt")
216 ))
217 .await;
218 assert_eq!(r.status, StatusCode::OK);
219 assert_eq!(r.body, b"v1");
220}
221
222#[tokio::test]
223async fn preview_serves_inline_and_rejects_dirs() {
224 let env = Env::new().await;
225 let admin = env.admin().await;
226 let r = admin
227 .get(&format!("{}?action=preview", root_path("config.json")))
228 .await;
229 assert_eq!(r.status, StatusCode::OK);
230 assert!(
231 r.header("content-disposition")
232 .unwrap()
233 .starts_with("inline;")
234 );
235 assert_eq!(r.body, b"{\"k\": 1}");
236 assert_eq!(
237 admin
238 .get(&format!("{}?action=preview", root_path("docs")))
239 .await
240 .status,
241 StatusCode::BAD_REQUEST
242 );
243}
244
245#[tokio::test]
246async fn content_action_serves_raw_bytes_with_mtime() {
247 let env = Env::new().await;
248 let admin = env.admin().await;
249 let r = admin
250 .get(&format!("{}?action=content", root_path("notes.md")))
251 .await;
252 assert_eq!(r.status, StatusCode::OK);
253 assert_eq!(
254 r.header("content-type").as_deref(),
255 Some("text/plain; charset=utf-8")
256 );
257 let mtime = r.header("x-file-mtime").unwrap();
258 assert!(mtime.parse::<i64>().is_ok());
259 assert_eq!(r.body, b"# notes");
260 assert_eq!(
261 admin
262 .get(&format!("{}?action=content", root_path("docs")))
263 .await
264 .status,
265 StatusCode::BAD_REQUEST
266 );
267}
268
269#[tokio::test]
270async fn content_is_capped_at_two_mibibytes() {
271 let env = Env::new().await;
272 let admin = env.admin().await;
273 let big = vec![b'x'; 2 * 1024 * 1024 + 1];
274 std::fs::write(env.file("big.bin"), &big).unwrap();
275 let r = admin
276 .get(&format!("{}?action=content", root_path("big.bin")))
277 .await;
278 assert_eq!(r.status, StatusCode::PAYLOAD_TOO_LARGE);
279 // The file itself still downloads fine.
280 let r = admin
281 .get(&format!("{}?action=download", root_path("big.bin")))
282 .await;
283 assert_eq!(r.status, StatusCode::OK);
284 assert_eq!(r.body.len(), big.len());
285}
286
287#[tokio::test]
288async fn editor_save_round_trip_and_conflict() {
289 let env = Env::new().await;
290 let admin = env.admin().await;
291 let path = format!("{}?action=content", root_path("editme.txt"));
292
293 // Read current mtime via the content endpoint.
294 let r = admin.get(&path).await;
295 assert_eq!(r.status, StatusCode::OK);
296 let mtime: i64 = r.header("x-file-mtime").unwrap().parse().unwrap();
297
298 // Save with a matching expected mtime.
299 let r = admin.put_content(&path, b"v2", Some(mtime)).await;
300 assert_eq!(r.status, StatusCode::OK);
301 let new_mtime = r.json()["mtime"].as_i64().unwrap();
302 assert!(new_mtime >= mtime);
303 assert_eq!(std::fs::read(env.file("editme.txt")).unwrap(), b"v2");
304
305 // A stale/wrong expected mtime conflicts (409). Use a value far from the
306 // current mtime so this is deterministic regardless of the filesystem's
307 // timestamp granularity (the mtime may not have advanced after the save).
308 let r = admin.put_content(&path, b"v3", Some(mtime + 999_999)).await;
309 assert_eq!(r.status, StatusCode::CONFLICT);
310 // A conflict must not modify the file.
311 assert_eq!(std::fs::read(env.file("editme.txt")).unwrap(), b"v2");
312
313 // No expected mtime → force save.
314 let r = admin.put_content(&path, b"v4", None).await;
315 assert_eq!(r.status, StatusCode::OK);
316 assert_eq!(std::fs::read(env.file("editme.txt")).unwrap(), b"v4");
317
318 // Saving a missing file → 404; a directory → 400.
319 // (PUT without action=content → 400.)
320 let r = admin
321 .raw(
322 axum::http::Method::PUT,
323 &root_path("editme.txt"),
324 &[("content-type", "text/plain")],
325 b"x".to_vec(),
326 )
327 .await;
328 assert_eq!(r.status, StatusCode::BAD_REQUEST);
329
330 let r = admin
331 .put_content(
332 &format!("{}?action=content", root_path("ghost.txt")),
333 b"x",
334 None,
335 )
336 .await;
337 assert_eq!(r.status, StatusCode::NOT_FOUND);
338 let r = admin
339 .put_content(&format!("{}?action=content", root_path("docs")), b"x", None)
340 .await;
341 assert_eq!(r.status, StatusCode::BAD_REQUEST);
342
343 // Oversized body → 413.
344 let r = admin
345 .put_content(&path, &vec![b'a'; 2 * 1024 * 1024 + 1], None)
346 .await;
347 assert_eq!(r.status, StatusCode::PAYLOAD_TOO_LARGE);
348}
349
350#[tokio::test]
351async fn mkdir_and_rename() {
352 let env = Env::new().await;
353 let admin = env.admin().await;
354
355 // mkdir (no content-type → mkdir dispatch).
356 let r = admin
357 .raw(
358 axum::http::Method::POST,
359 &root_path("newdir"),
360 &[],
361 Vec::new(),
362 )
363 .await;
364 assert_eq!(r.status, StatusCode::OK);
365 assert!(env.file("newdir").is_dir());
366 // Duplicate → 409.
367 let r = admin
368 .raw(
369 axum::http::Method::POST,
370 &root_path("newdir"),
371 &[],
372 Vec::new(),
373 )
374 .await;
375 assert_eq!(r.status, StatusCode::CONFLICT);
376 // Empty name → 400 (bare root POST with JSON op is rejected too).
377 let r = admin
378 .raw(axum::http::Method::POST, &root_path(""), &[], Vec::new())
379 .await;
380 assert_eq!(r.status, StatusCode::BAD_REQUEST);
381
382 // Rename.
383 let r = admin
384 .post_json(
385 &root_path("editme.txt"),
386 &json!({ "op": "rename", "new_name": "renamed.txt" }),
387 )
388 .await;
389 assert_eq!(r.status, StatusCode::OK);
390 assert!(env.file("renamed.txt").exists());
391 // Conflict.
392 let r = admin
393 .post_json(
394 &root_path("renamed.txt"),
395 &json!({ "op": "rename", "new_name": "config.json" }),
396 )
397 .await;
398 assert_eq!(r.status, StatusCode::CONFLICT);
399 // With overwrite.
400 let r = admin
401 .post_json(
402 &root_path("renamed.txt"),
403 &json!({ "op": "rename", "new_name": "config.json", "overwrite": true }),
404 )
405 .await;
406 assert_eq!(r.status, StatusCode::OK);
407 assert_eq!(std::fs::read(env.file("config.json")).unwrap(), b"v1");
408 // Invalid name.
409 let r = admin
410 .post_json(
411 &root_path("notes.md"),
412 &json!({ "op": "rename", "new_name": "a/b" }),
413 )
414 .await;
415 assert_eq!(r.status, StatusCode::BAD_REQUEST);
416 // Missing source.
417 let r = admin
418 .post_json(
419 &root_path("ghost"),
420 &json!({ "op": "rename", "new_name": "x" }),
421 )
422 .await;
423 assert_eq!(r.status, StatusCode::NOT_FOUND);
424 // Unknown op: `api_types::Op` has no such variant, so the body fails to
425 // deserialize. `dispatch_inner` parses it itself, so this stays a 400.
426 let r = admin
427 .post_json(&root_path("notes.md"), &json!({ "op": "explode" }))
428 .await;
429 assert_eq!(r.status, StatusCode::BAD_REQUEST);
430}
431
432#[tokio::test]
433async fn move_and_copy_across_dirs() {
434 let env = Env::new().await;
435 let admin = env.admin().await;
436
437 // Move notes.md into docs/.
438 let r = admin
439 .post_json(
440 &root_path("notes.md"),
441 &json!({ "op": "move", "dst_root_id": ROOT, "dst": "docs" }),
442 )
443 .await;
444 assert_eq!(r.status, StatusCode::OK);
445 assert!(!env.file("notes.md").exists());
446 assert_eq!(
447 std::fs::read(env.file("docs/notes.md")).unwrap(),
448 b"# notes"
449 );
450
451 // Copy docs/inner back out — as a folder.
452 let r = admin
453 .post_json(
454 &root_path("docs/inner"),
455 &json!({ "op": "copy", "dst_root_id": ROOT, "dst": "src" }),
456 )
457 .await;
458 assert_eq!(r.status, StatusCode::OK);
459 assert_eq!(
460 std::fs::read(env.file("src/inner/hello.txt")).unwrap(),
461 b"hello world"
462 );
463 assert!(env.file("docs/inner/hello.txt").exists());
464
465 // Conflict without overwrite, ok with: copy into a folder that already
466 // holds a file with the same name.
467 let r = admin
468 .post_json(
469 &root_path("docs/a.txt"),
470 &json!({ "op": "copy", "dst_root_id": ROOT, "dst": "src" }),
471 )
472 .await;
473 assert_eq!(r.status, StatusCode::OK);
474 assert_eq!(std::fs::read(env.file("src/a.txt")).unwrap(), b"file a");
475 std::fs::write(env.file("docs/a.txt"), "file a2").unwrap();
476 let r = admin
477 .post_json(
478 &root_path("docs/a.txt"),
479 &json!({ "op": "copy", "dst_root_id": ROOT, "dst": "src" }),
480 )
481 .await;
482 assert_eq!(r.status, StatusCode::CONFLICT);
483 let r = admin
484 .post_json(
485 &root_path("docs/a.txt"),
486 &json!({ "op": "copy", "dst_root_id": ROOT, "dst": "src", "overwrite": true }),
487 )
488 .await;
489 assert_eq!(r.status, StatusCode::OK);
490 assert_eq!(std::fs::read(env.file("src/a.txt")).unwrap(), b"file a2");
491
492 // Copying an item into its own folder (same path) is a no-op success.
493 let r = admin
494 .post_json(
495 &root_path("docs/a.txt"),
496 &json!({ "op": "copy", "dst_root_id": ROOT, "dst": "docs" }),
497 )
498 .await;
499 assert_eq!(r.status, StatusCode::OK);
500
501 // Moving a folder into itself → 400.
502 let r = admin
503 .post_json(
504 &root_path("docs"),
505 &json!({ "op": "move", "dst_root_id": ROOT, "dst": "docs" }),
506 )
507 .await;
508 assert_eq!(r.status, StatusCode::BAD_REQUEST);
509
510 // Missing dst_root_id / dst dir.
511 let r = admin
512 .post_json(&root_path("docs/a.txt"), &json!({ "op": "move" }))
513 .await;
514 assert_eq!(r.status, StatusCode::BAD_REQUEST);
515 let r = admin
516 .post_json(
517 &root_path("docs/a.txt"),
518 &json!({ "op": "move", "dst_root_id": ROOT, "dst": "no-such-dir" }),
519 )
520 .await;
521 assert_eq!(r.status, StatusCode::NOT_FOUND);
522}
523
524#[tokio::test]
525async fn delete_file_and_folder() {
526 let env = Env::new().await;
527 let admin = env.admin().await;
528
529 let r = admin.delete(&root_path("editme.txt")).await;
530 assert_eq!(r.status, StatusCode::OK);
531 assert_eq!(r.json()["is_dir"], false);
532 assert!(!env.file("editme.txt").exists());
533
534 let r = admin.delete(&root_path("docs")).await;
535 assert_eq!(r.json()["is_dir"], true);
536 assert!(!env.file("docs").exists());
537
538 // Missing → 404. A DELETE on the bare root matches no route's method →
539 // 405 (the path only has GET/POST routes).
540 assert_eq!(
541 admin.delete(&root_path("ghost")).await.status,
542 StatusCode::NOT_FOUND
543 );
544 assert_eq!(
545 admin.delete("/api/files/1").await.status,
546 StatusCode::METHOD_NOT_ALLOWED
547 );
548 // DELETE with a trailing-slash root matches no route at all → 404 via
549 // the SPA fallback's API guard.
550 let r = admin.delete("/api/files/1/").await;
551 assert_eq!(r.status, StatusCode::NOT_FOUND);
552 assert_eq!(r.text(), "unknown endpoint");
553}
554
555#[tokio::test]
556async fn upload_creates_files_and_folders() {
557 let env = Env::new().await;
558 let admin = env.admin().await;
559
560 // Single file into the root, nested part name creates the folder.
561 let r = admin
562 .post_multipart(
563 &root_path(""),
564 &[("docs/uploaded.txt", b"up1"), ("new/nested.txt", b"up2")],
565 "",
566 )
567 .await;
568 assert_eq!(r.status, StatusCode::OK);
569 assert_eq!(r.json()["uploaded"], 2);
570 assert_eq!(
571 std::fs::read(env.file("docs/uploaded.txt")).unwrap(),
572 b"up1"
573 );
574 assert_eq!(std::fs::read(env.file("new/nested.txt")).unwrap(), b"up2");
575
576 // Conflict: existing file, no overwrite → 409 with the skipped list.
577 let r = admin
578 .post_multipart(&root_path(""), &[("docs/uploaded.txt", b"again")], "")
579 .await;
580 assert_eq!(r.status, StatusCode::CONFLICT);
581 assert_eq!(r.json()["skipped"], json!(["docs/uploaded.txt"]));
582 assert_eq!(
583 std::fs::read(env.file("docs/uploaded.txt")).unwrap(),
584 b"up1"
585 );
586
587 // Mixed: one conflict + one new file → 409, the new one is uploaded.
588 let r = admin
589 .post_multipart(
590 &root_path(""),
591 &[("docs/uploaded.txt", b"again"), ("fresh.txt", b"new")],
592 "",
593 )
594 .await;
595 assert_eq!(r.status, StatusCode::CONFLICT);
596 assert_eq!(r.json()["skipped"], json!(["docs/uploaded.txt"]));
597 assert_eq!(r.json()["uploaded"], 1);
598 assert_eq!(std::fs::read(env.file("fresh.txt")).unwrap(), b"new");
599
600 // overwrite=true replaces.
601 let r = admin
602 .post_multipart(
603 &root_path(""),
604 &[("docs/uploaded.txt", b"v3")],
605 "overwrite=true",
606 )
607 .await;
608 assert_eq!(r.status, StatusCode::OK);
609 assert_eq!(std::fs::read(env.file("docs/uploaded.txt")).unwrap(), b"v3");
610
611 // A part name that is an existing directory → 409.
612 let r = admin
613 .post_multipart(&root_path(""), &[("new", b"dir?")], "")
614 .await;
615 assert_eq!(r.status, StatusCode::CONFLICT);
616
617 // Path traversal in a part name → 400.
618 let r = admin
619 .post_multipart(&root_path(""), &[("../evil.txt", b"x")], "")
620 .await;
621 assert!(matches!(
622 r.status,
623 StatusCode::BAD_REQUEST | StatusCode::FORBIDDEN
624 ));
625 assert!(!env.file("../evil.txt").exists());
626 assert!(!env.root.path().parent().unwrap().join("evil.txt").exists());
627
628 // No parts at all → 400.
629 let (ct, body) = multipart_body(&[], "b");
630 let r = admin
631 .raw(
632 axum::http::Method::POST,
633 &root_path(""),
634 &[("content-type", &ct)],
635 body,
636 )
637 .await;
638 assert_eq!(r.status, StatusCode::BAD_REQUEST);
639}
640
641#[tokio::test]
642async fn read_only_root_blocks_writes_but_allows_reads() {
643 let env = Env::new().await;
644 let admin = env.admin().await;
645 create_user(&admin, "carol", "carolpass1", &[("docs", "ro")]).await;
646 let carol = login(&env, "carol", "carolpass1").await;
647 let carol_root_id = carol.get("/api/auth/me").await.json()["roots"][0]["id"]
648 .as_i64()
649 .unwrap();
650
651 // Reads work.
652 let r = carol.get(&format!("/api/files/{carol_root_id}")).await;
653 assert_eq!(r.status, StatusCode::OK);
654 assert!(!r.json()["entries"].as_array().unwrap().is_empty());
655 let r = carol
656 .get(&format!("/api/files/{carol_root_id}/a.txt?action=download"))
657 .await;
658 assert_eq!(r.body, b"file a");
659
660 // Writes are blocked.
661 let base = format!("/api/files/{carol_root_id}/x");
662 assert_eq!(
663 carol
664 .raw(axum::http::Method::POST, &base, &[], Vec::new())
665 .await
666 .status,
667 StatusCode::FORBIDDEN
668 );
669 assert_eq!(
670 carol
671 .delete(&format!("/api/files/{carol_root_id}/a.txt"))
672 .await
673 .status,
674 StatusCode::FORBIDDEN
675 );
676 assert_eq!(
677 carol
678 .post_json(
679 &format!("/api/files/{carol_root_id}/a.txt"),
680 &json!({ "op": "rename", "new_name": "b.txt" })
681 )
682 .await
683 .status,
684 StatusCode::FORBIDDEN
685 );
686}
687
688#[tokio::test]
689async fn user_cannot_touch_foreign_root() {
690 let env = Env::new().await;
691 let admin = env.admin().await;
692 create_user(&admin, "dave", "davepass12", &[("src", "rw")]).await;
693 let dave = login(&env, "dave", "davepass12").await;
694 let dave_root_id = dave.get("/api/auth/me").await.json()["roots"][0]["id"]
695 .as_i64()
696 .unwrap();
697
698 // His own root works.
699 assert_eq!(
700 dave.get(&format!("/api/files/{dave_root_id}")).await.status,
701 StatusCode::OK
702 );
703 // The admin's root id (1) is not his → 403.
704 assert_eq!(dave.get("/api/files/1").await.status, StatusCode::FORBIDDEN);
705 // Writing into a root he doesn't have → 403.
706 assert_eq!(
707 dave.raw(
708 axum::http::Method::POST,
709 "/api/files/1/evil",
710 &[],
711 Vec::new()
712 )
713 .await
714 .status,
715 StatusCode::FORBIDDEN
716 );
717}
718
719/// Listings report a content-sniffed `kind`, not an extension guess.
720#[tokio::test]
721async fn listing_reports_sniffed_kinds() {
722 let env = Env::new().await;
723 let admin = env.admin().await;
724 // A PNG named .txt and a text file named .png: the bytes must win.
725 std::fs::write(
726 env.file("lies.txt"),
727 [0x89, b'P', b'N', b'G', 0x0D, 0x0A, 0x1A, 0x0A],
728 )
729 .unwrap();
730 std::fs::write(env.file("lies.png"), "just words\n").unwrap();
731 std::fs::write(env.file("report.html"), "<!doctype html><p>hi").unwrap();
732 std::fs::write(env.file("noext"), "plain text, no extension\n").unwrap();
733
734 let r = admin.get(&root_path("")).await;
735 assert_eq!(r.status, StatusCode::OK);
736 let j = r.json();
737 let kind = |name: &str| -> String {
738 j["entries"]
739 .as_array()
740 .unwrap()
741 .iter()
742 .find(|e| e["name"] == name)
743 .unwrap_or_else(|| panic!("{name} missing from listing"))["kind"]
744 .as_str()
745 .unwrap()
746 .to_string()
747 };
748 assert_eq!(kind("lies.txt"), "image");
749 assert_eq!(kind("lies.png"), "text");
750 assert_eq!(kind("report.html"), "text");
751 assert_eq!(kind("noext"), "text");
752 assert_eq!(kind("blob.bin"), "binary");
753 assert_eq!(kind("docs"), "dir");
754 assert_eq!(kind("config.json"), "text");
755}
756
757/// A file the browser would parse as a document is served sandboxed, so it can
758/// render as a page without being able to act as the app. Everything else
759/// keeps the app policy.
760#[tokio::test]
761async fn scriptable_files_are_served_sandboxed() {
762 let env = Env::new().await;
763 let admin = env.admin().await;
764 std::fs::write(env.file("page.html"), "<!doctype html><p>hi").unwrap();
765 std::fs::write(
766 env.file("logo.svg"),
767 "<svg xmlns=\"http://www.w3.org/2000/svg\"/>",
768 )
769 .unwrap();
770
771 for name in ["page.html", "logo.svg"] {
772 let r = admin
773 .get(&format!("{}?action=preview", root_path(name)))
774 .await;
775 assert_eq!(r.status, StatusCode::OK);
776 let csp = r.header("content-security-policy").unwrap();
777 assert!(csp.contains("sandbox "), "{name} not sandboxed: {csp}");
778 assert!(csp.contains("allow-scripts"), "{name}: {csp}");
779 // The whole security property: an opaque origin.
780 assert!(
781 !csp.contains("allow-same-origin"),
782 "{name} must never get allow-same-origin: {csp}"
783 );
784 assert!(
785 !csp.contains("allow-top-navigation ") && !csp.contains("allow-popups-to-escape"),
786 "{name}: {csp}"
787 );
788 // Still rendered as a document, not downloaded.
789 assert!(
790 r.header("content-disposition")
791 .unwrap()
792 .starts_with("inline")
793 );
794 }
795
796 // A non-scriptable file keeps the app policy (no sandbox at all).
797 let r = admin
798 .get(&format!("{}?action=preview", root_path("blob.bin")))
799 .await;
800 let csp = r.header("content-security-policy").unwrap();
801 assert!(!csp.contains("sandbox"), "{csp}");
802 assert!(
803 csp.contains("wasm-unsafe-eval"),
804 "expected app policy: {csp}"
805 );
806
807 // And the app's own pages are untouched by the `if_not_present` switch.
808 let r = admin.get("/").await;
809 let csp = r.header("content-security-policy").unwrap();
810 assert!(
811 csp.contains("wasm-unsafe-eval") && !csp.contains("sandbox"),
812 "{csp}"
813 );
814}
815
816#[tokio::test]
817async fn archive_does_not_follow_symlinks_out_of_the_root() {
818 let env = Env::new().await;
819 let admin = env.admin().await;
820
821 // A directory outside the served root, linked to from inside it.
822 let outside = tempfile::tempdir().unwrap();
823 std::fs::write(outside.path().join("secret.txt"), "leaked").unwrap();
824 std::os::unix::fs::symlink(outside.path(), env.file("docs/link")).unwrap();
825
826 let r = admin
827 .get(&format!("{}?action=download&format=tar", root_path("docs")))
828 .await;
829 assert_eq!(r.status, StatusCode::OK);
830 let map = tar_map(&r.body, Compress::None);
831 assert!(
832 !map.keys().any(|k| k.contains("secret.txt")),
833 "archive escaped the root: {:?}",
834 map.keys().collect::<Vec<_>>()
835 );
836 // The legitimate entries are still there.
837 assert_eq!(map.get("docs/a.txt").unwrap(), b"file a");
838 assert_eq!(map.get("docs/inner/hello.txt").unwrap(), b"hello world");
839}
840