lib.rs
| 1 | //! The HTTP wire contract of filebrowser-ng in one place. |
| 2 | //! |
| 3 | //! Both the server (axum) and the web frontend (wasm `fetch`) import these |
| 4 | //! endpoint paths, query params and serde types, so the two sides cannot |
| 5 | //! drift apart. Serde only — no axum, no wasm dependencies. |
| 6 | |
| 7 | use serde::{Deserialize, Serialize}; |
| 8 | |
| 9 | // --------------------------------------------------------------------------- |
| 10 | // Endpoint paths (single source of truth for the route table and the client) |
| 11 | // --------------------------------------------------------------------------- |
| 12 | |
| 13 | pub const AUTH_LOGIN: &str = "/api/auth/login"; |
| 14 | pub const AUTH_LOGOUT: &str = "/api/auth/logout"; |
| 15 | pub const AUTH_ME: &str = "/api/auth/me"; |
| 16 | pub const AUTH_SETUP: &str = "/api/auth/setup"; |
| 17 | /// File operations: `{FILES}/{root_id}` and `{FILES}/{root_id}/{path...}`. |
| 18 | pub const FILES: &str = "/api/files"; |
| 19 | /// Share management (authenticated): `{SHARES}` and `{SHARES}/{id}`. |
| 20 | pub const SHARES: &str = "/api/shares"; |
| 21 | /// Public share resolve (no login): `{SHARE}/{token}`. |
| 22 | pub const SHARE: &str = "/api/share"; |
| 23 | /// Suffix on `{SHARE}/{token}`: submit the password of a protected share. |
| 24 | pub const SHARE_UNLOCK_SUFFIX: &str = "/unlock"; |
| 25 | /// `GET /api/search` — name and/or content search, streamed as SSE. |
| 26 | pub const SEARCH: &str = "/api/search"; |
| 27 | |
| 28 | /// WebDAV mount of the signed-in user's roots: `{DAV}` and `{DAV}/{path...}`. |
| 29 | pub const DAV: &str = "/dav"; |
| 30 | /// WebDAV mount of one public share: `{DAV_SHARE}/{token}/{path...}`. |
| 31 | /// |
| 32 | /// A separate top-level path, not a segment under [`DAV`]: there, the first |
| 33 | /// segment is a root's display name, which a reserved word could collide with. |
| 34 | pub const DAV_SHARE: &str = "/dav-share"; |
| 35 | |
| 36 | /// Admin user management: `{ADMIN_USERS}` and `{ADMIN_USERS}/{id}`. |
| 37 | pub const ADMIN_USERS: &str = "/api/admin/users"; |
| 38 | pub const ADMIN_SETTINGS: &str = "/api/admin/settings"; |
| 39 | /// Pseudo root id every signed-in admin has on the files API: the whole |
| 40 | /// server root, read-only (the admin folder picker browses it). Real root |
| 41 | /// ids are positive database ids. Not listed in `/me`. |
| 42 | pub const ADMIN_ROOT: i64 = -1; |
| 43 | |
| 44 | // --------------------------------------------------------------------------- |
| 45 | // Query params |
| 46 | // --------------------------------------------------------------------------- |
| 47 | |
| 48 | /// `?action=...` on file URLs; without it the route lists the directory. |
| 49 | pub const P_ACTION: &str = "action"; |
| 50 | pub const ACTION_DOWNLOAD: &str = "download"; |
| 51 | pub const ACTION_PREVIEW: &str = "preview"; |
| 52 | pub const ACTION_CONTENT: &str = "content"; |
| 53 | pub const ACTION_THUMB: &str = "thumb"; |
| 54 | /// `POST {FILES}/...?action=mkdir` — create a folder. Explicit, because the |
| 55 | /// POST route also carries uploads and mutations. |
| 56 | pub const ACTION_MKDIR: &str = "mkdir"; |
| 57 | /// `POST {FILES}/...?action=create-file` — create an empty file. Explicit |
| 58 | /// like `mkdir`, for the same reason. |
| 59 | pub const ACTION_CREATE_FILE: &str = "create-file"; |
| 60 | /// `?format=...` for folder downloads (values: see `server::archive::ArchiveFormat`). |
| 61 | pub const P_FORMAT: &str = "format"; |
| 62 | /// `?share=<token>` — authenticate file calls with a public share token. |
| 63 | pub const P_SHARE: &str = "share"; |
| 64 | /// Search query text (`GET {SEARCH}`). |
| 65 | pub const P_Q: &str = "q"; |
| 66 | /// Which index to search: `name`, `content` or `both`. |
| 67 | pub const P_SCOPE: &str = "scope"; |
| 68 | /// Root id to search; omitted = the caller's first root. |
| 69 | pub const P_ROOT: &str = "root"; |
| 70 | /// Folder inside the root to start a search in (relative to the root); |
| 71 | /// omitted or empty = the whole root. |
| 72 | pub const P_PATH: &str = "path"; |
| 73 | /// `?overwrite=true|1` on mutations and uploads. |
| 74 | pub const P_OVERWRITE: &str = "overwrite"; |
| 75 | |
| 76 | // --------------------------------------------------------------------------- |
| 77 | // Wire enums |
| 78 | // --------------------------------------------------------------------------- |
| 79 | |
| 80 | /// Access mode of a root or a share. |
| 81 | /// |
| 82 | /// The serde names are also the values stored in the SQLite `mode` columns, |
| 83 | /// so renaming a variant would break existing databases. The round-trip test |
| 84 | /// below pins them. |
| 85 | #[derive(Serialize, Deserialize, Clone, Copy, Debug, PartialEq, Eq)] |
| 86 | #[serde(rename_all = "lowercase")] |
| 87 | pub enum Mode { |
| 88 | Rw, |
| 89 | Ro, |
| 90 | } |
| 91 | |
| 92 | impl Mode { |
| 93 | /// The only question callers ask: may this root be written to? |
| 94 | pub fn is_writable(self) -> bool { |
| 95 | matches!(self, Mode::Rw) |
| 96 | } |
| 97 | |
| 98 | /// The wire/database spelling, for `<select>` values and SQL params. |
| 99 | pub fn as_str(self) -> &'static str { |
| 100 | match self { |
| 101 | Mode::Rw => "rw", |
| 102 | Mode::Ro => "ro", |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | /// Parse the wire spelling. `None` for anything else. |
| 107 | pub fn from_wire(s: &str) -> Option<Self> { |
| 108 | match s { |
| 109 | "rw" => Some(Mode::Rw), |
| 110 | "ro" => Some(Mode::Ro), |
| 111 | _ => None, |
| 112 | } |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | /// Which mutation [`Mutation`] asks for. |
| 117 | #[derive(Serialize, Deserialize, Clone, Copy, Debug, PartialEq, Eq)] |
| 118 | #[serde(rename_all = "lowercase")] |
| 119 | pub enum Op { |
| 120 | Rename, |
| 121 | Move, |
| 122 | Copy, |
| 123 | } |
| 124 | |
| 125 | // --------------------------------------------------------------------------- |
| 126 | // Request bodies (client → server) |
| 127 | // --------------------------------------------------------------------------- |
| 128 | |
| 129 | #[derive(Serialize, Deserialize)] |
| 130 | pub struct Credentials { |
| 131 | pub name: String, |
| 132 | pub password: String, |
| 133 | } |
| 134 | |
| 135 | /// Rename / move / copy (one body for all file mutations). |
| 136 | #[derive(Serialize, Deserialize)] |
| 137 | pub struct Mutation { |
| 138 | pub op: Op, |
| 139 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 140 | pub new_name: Option<String>, |
| 141 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 142 | pub dst_root_id: Option<i64>, |
| 143 | /// Destination directory, relative to `dst_root_id`. |
| 144 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 145 | pub dst: Option<String>, |
| 146 | #[serde(default)] |
| 147 | pub overwrite: bool, |
| 148 | } |
| 149 | |
| 150 | /// A user folder: path relative to the server root + access mode. |
| 151 | #[derive(Serialize, Deserialize)] |
| 152 | pub struct Root { |
| 153 | /// Path relative to the server root; "." means the whole root. |
| 154 | pub path: String, |
| 155 | #[serde(default = "default_rw")] |
| 156 | pub mode: Mode, |
| 157 | } |
| 158 | |
| 159 | fn default_rw() -> Mode { |
| 160 | Mode::Rw |
| 161 | } |
| 162 | |
| 163 | #[derive(Serialize, Deserialize)] |
| 164 | pub struct CreateUser { |
| 165 | pub name: String, |
| 166 | pub password: String, |
| 167 | #[serde(default)] |
| 168 | pub is_admin: bool, |
| 169 | #[serde(default)] |
| 170 | pub roots: Vec<Root>, |
| 171 | } |
| 172 | |
| 173 | #[derive(Serialize, Deserialize)] |
| 174 | pub struct UpdateUser { |
| 175 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 176 | pub password: Option<String>, |
| 177 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 178 | pub is_admin: Option<bool>, |
| 179 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 180 | pub active: Option<bool>, |
| 181 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 182 | pub roots: Option<Vec<Root>>, |
| 183 | } |
| 184 | |
| 185 | /// Server settings (GET/PUT `{ADMIN_SETTINGS}`). |
| 186 | #[derive(Serialize, Deserialize, Clone)] |
| 187 | pub struct Settings { |
| 188 | pub allow_writable_shares: bool, |
| 189 | /// Folders left out of every search, as paths relative to the server |
| 190 | /// root. A path covers everything beneath it. |
| 191 | #[serde(default)] |
| 192 | pub search_excludes: Vec<String>, |
| 193 | } |
| 194 | |
| 195 | #[derive(Serialize, Deserialize)] |
| 196 | pub struct CreateShare { |
| 197 | pub root_id: i64, |
| 198 | /// Item path relative to the root ("" or "." for the root itself). |
| 199 | pub path: String, |
| 200 | #[serde(default)] |
| 201 | pub writable: bool, |
| 202 | /// Absolute expiry as RFC 3339; absent = never. |
| 203 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 204 | pub expires_at: Option<String>, |
| 205 | /// Password the visitor must enter before the share opens; absent = none. |
| 206 | #[serde(default, skip_serializing_if = "Option::is_none")] |
| 207 | pub password: Option<String>, |
| 208 | } |
| 209 | |
| 210 | /// POST `{SHARE}/{token}/unlock` — the password for a protected share. |
| 211 | #[derive(Serialize, Deserialize)] |
| 212 | pub struct UnlockShare { |
| 213 | pub password: String, |
| 214 | } |
| 215 | |
| 216 | // --------------------------------------------------------------------------- |
| 217 | // Responses (server → client) |
| 218 | // --------------------------------------------------------------------------- |
| 219 | |
| 220 | /// What a listing entry actually is, decided by the server from the file's |
| 221 | /// leading bytes (magic numbers via `infer`, plus a text/binary heuristic) — |
| 222 | /// not from its name. Drives the icon and the preview the client offers. |
| 223 | /// |
| 224 | /// Deliberately coarse: this answers "which viewer opens this", not "what |
| 225 | /// exact format is it". Syntax highlighting still keys off the extension, |
| 226 | /// because `.h` is C or C++ and no amount of sniffing decides that. |
| 227 | #[derive(Serialize, Deserialize, Clone, Copy, Debug, PartialEq, Eq)] |
| 228 | #[serde(rename_all = "lowercase")] |
| 229 | pub enum FileKind { |
| 230 | Dir, |
| 231 | Image, |
| 232 | Video, |
| 233 | Audio, |
| 234 | Pdf, |
| 235 | Archive, |
| 236 | /// Anything that decodes as text: source code, markup, config, plain text. |
| 237 | Text, |
| 238 | /// Recognized-but-not-viewable, or undecodable bytes. |
| 239 | Binary, |
| 240 | } |
| 241 | |
| 242 | #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)] |
| 243 | pub struct Entry { |
| 244 | pub name: String, |
| 245 | pub is_dir: bool, |
| 246 | pub size: u64, |
| 247 | /// RFC 3339 UTC modification time. |
| 248 | pub mtime: String, |
| 249 | /// Content-sniffed kind (see [`FileKind`]). |
| 250 | pub kind: FileKind, |
| 251 | } |
| 252 | |
| 253 | #[derive(Serialize, Deserialize)] |
| 254 | pub struct FilesResp { |
| 255 | pub entries: Vec<Entry>, |
| 256 | /// True when the folder had more entries than `MAX_LIST_ENTRIES`. |
| 257 | /// `entries` then holds only the first `MAX_LIST_ENTRIES` after sorting. |
| 258 | #[serde(default)] |
| 259 | pub truncated: bool, |
| 260 | } |
| 261 | |
| 262 | /// Cap on entries in one directory listing. |
| 263 | pub const MAX_LIST_ENTRIES: usize = 10_000; |
| 264 | |
| 265 | /// One streamed search result. Each is sent as one SSE event |
| 266 | /// (`data: <json>`), in the order found; the `done` event always ends the |
| 267 | /// stream. |
| 268 | #[derive(Serialize, Deserialize, Clone)] |
| 269 | #[serde(tag = "type", rename_all = "snake_case")] |
| 270 | pub enum SearchEvent { |
| 271 | /// A file or folder whose name matched (scope `name`/`both`). |
| 272 | File { |
| 273 | root_id: i64, |
| 274 | /// Path relative to the root, `/`-separated. |
| 275 | path: String, |
| 276 | size: u64, |
| 277 | is_dir: bool, |
| 278 | /// Sniffed the same way as a directory listing's, so the client can |
| 279 | /// pick an icon and a viewer without a second guess at the name. |
| 280 | kind: FileKind, |
| 281 | }, |
| 282 | /// One matching line (scope `content`/`both`). `path` is relative to the |
| 283 | /// root; `text` is the matched line, truncated to a fixed length. |
| 284 | Match { |
| 285 | root_id: i64, |
| 286 | path: String, |
| 287 | line: u64, |
| 288 | text: String, |
| 289 | }, |
| 290 | /// Stream finished. `stopped` is true when the client aborted before the |
| 291 | /// search completed. |
| 292 | Done { |
| 293 | stopped: bool, |
| 294 | files: usize, |
| 295 | matches: usize, |
| 296 | /// Files examined (walked) before the stream ended. |
| 297 | scanned: usize, |
| 298 | /// Files skipped for content search (over the size cap). |
| 299 | skipped: usize, |
| 300 | elapsed_ms: u64, |
| 301 | }, |
| 302 | } |
| 303 | |
| 304 | #[derive(Serialize, Deserialize, Clone)] |
| 305 | pub struct UserInfo { |
| 306 | pub id: i64, |
| 307 | pub name: String, |
| 308 | pub is_admin: bool, |
| 309 | /// Profile setting: single click opens entries (off = click selects, |
| 310 | /// double click opens). |
| 311 | pub single_click_open: bool, |
| 312 | /// Profile setting: show image and video thumbnails in the grid. |
| 313 | pub thumbnails: bool, |
| 314 | /// Preferred UI language tag ("en", "de", "fr"); None = follow the |
| 315 | /// browser. |
| 316 | pub language: Option<String>, |
| 317 | } |
| 318 | |
| 319 | #[derive(Serialize, Deserialize, Clone)] |
| 320 | pub struct RootInfo { |
| 321 | pub id: i64, |
| 322 | pub name: String, |
| 323 | pub path: String, |
| 324 | pub mode: Mode, |
| 325 | } |
| 326 | |
| 327 | /// GET `{AUTH_ME}`. |
| 328 | #[derive(Serialize, Deserialize, Clone)] |
| 329 | pub struct Me { |
| 330 | /// True while no users exist yet (first-boot setup). |
| 331 | pub first_boot: bool, |
| 332 | /// None on first boot. |
| 333 | pub user: Option<UserInfo>, |
| 334 | pub roots: Vec<RootInfo>, |
| 335 | pub allow_writable_shares: bool, |
| 336 | /// Whether the server can make thumbnails at all (`--cache` is set). |
| 337 | /// The profile setting is only offered when this is true. |
| 338 | pub thumbnails_available: bool, |
| 339 | } |
| 340 | |
| 341 | /// GET/POST `{SHARES}`, GET `{SHARE}/{token}`. |
| 342 | #[derive(Serialize, Deserialize, Clone)] |
| 343 | pub struct ShareInfo { |
| 344 | pub id: i64, |
| 345 | pub token: String, |
| 346 | /// Display name (file/folder name, or the root's name for "."). |
| 347 | pub name: String, |
| 348 | pub is_file: bool, |
| 349 | pub writable: bool, |
| 350 | /// Path relative to the server root. |
| 351 | pub target: String, |
| 352 | /// RFC 3339 UTC creation time. |
| 353 | pub created_at: String, |
| 354 | /// RFC 3339 UTC expiry; None = never. |
| 355 | pub expires_at: Option<String>, |
| 356 | /// Synthetic root id to use in file API calls. |
| 357 | pub root_id: i64, |
| 358 | /// The file's kind for file shares (None for folder shares, and when |
| 359 | /// not sniffed — the public resolve endpoint fills it in). |
| 360 | pub kind: Option<FileKind>, |
| 361 | /// Whether the share asks for a password. Never the password itself. |
| 362 | #[serde(default)] |
| 363 | pub has_password: bool, |
| 364 | } |
| 365 | |
| 366 | /// GET/POST `{ADMIN_USERS}`, PUT `{ADMIN_USERS}/{id}`. |
| 367 | #[derive(Serialize, Deserialize, Clone)] |
| 368 | pub struct AdminUser { |
| 369 | pub id: i64, |
| 370 | pub name: String, |
| 371 | pub is_admin: bool, |
| 372 | pub active: bool, |
| 373 | pub roots: Vec<RootInfo>, |
| 374 | } |
| 375 | |
| 376 | /// Acknowledges a successful mutation. Carries nothing: the 2xx status is |
| 377 | /// the acknowledgement, so the body is the empty object. |
| 378 | #[derive(Serialize, Deserialize)] |
| 379 | pub struct OkResp {} |
| 380 | |
| 381 | /// DELETE `{FILES}/...`: whether the removed item was a folder (the client |
| 382 | /// reports "folder deleted" vs "file deleted"). |
| 383 | #[derive(Serialize, Deserialize)] |
| 384 | pub struct DeleteResp { |
| 385 | pub is_dir: bool, |
| 386 | } |
| 387 | |
| 388 | /// Upload success: how many files were written. |
| 389 | #[derive(Serialize, Deserialize)] |
| 390 | pub struct UploadResp { |
| 391 | pub uploaded: usize, |
| 392 | } |
| 393 | |
| 394 | /// PUT `?action=content` (editor save): the file's new mtime (unix seconds). |
| 395 | #[derive(Serialize, Deserialize)] |
| 396 | pub struct SaveResp { |
| 397 | pub mtime: i64, |
| 398 | } |
| 399 | |
| 400 | #[cfg(test)] |
| 401 | mod tests { |
| 402 | use super::*; |
| 403 | |
| 404 | /// The serde spellings are the database values too, so they are pinned. |
| 405 | #[test] |
| 406 | fn mode_wire_format_is_rw_ro() { |
| 407 | assert_eq!(serde_json::to_string(&Mode::Rw).unwrap(), "\"rw\""); |
| 408 | assert_eq!(serde_json::to_string(&Mode::Ro).unwrap(), "\"ro\""); |
| 409 | for m in [Mode::Rw, Mode::Ro] { |
| 410 | let s = serde_json::to_string(&m).unwrap(); |
| 411 | assert_eq!(serde_json::from_str::<Mode>(&s).unwrap(), m); |
| 412 | // `as_str`/`from_wire` must agree with serde. |
| 413 | assert_eq!(s, format!("\"{}\"", m.as_str())); |
| 414 | assert_eq!(Mode::from_wire(m.as_str()), Some(m)); |
| 415 | } |
| 416 | assert_eq!(Mode::from_wire("both"), None); |
| 417 | assert!(serde_json::from_str::<Mode>("\"both\"").is_err()); |
| 418 | assert!(Mode::Rw.is_writable()); |
| 419 | assert!(!Mode::Ro.is_writable()); |
| 420 | } |
| 421 | |
| 422 | #[test] |
| 423 | fn op_wire_format() { |
| 424 | assert_eq!(serde_json::to_string(&Op::Rename).unwrap(), "\"rename\""); |
| 425 | assert_eq!(serde_json::to_string(&Op::Move).unwrap(), "\"move\""); |
| 426 | assert_eq!(serde_json::to_string(&Op::Copy).unwrap(), "\"copy\""); |
| 427 | for op in [Op::Rename, Op::Move, Op::Copy] { |
| 428 | let s = serde_json::to_string(&op).unwrap(); |
| 429 | assert_eq!(serde_json::from_str::<Op>(&s).unwrap(), op); |
| 430 | } |
| 431 | assert!(serde_json::from_str::<Op>("\"explode\"").is_err()); |
| 432 | } |
| 433 | |
| 434 | #[test] |
| 435 | fn mutation_round_trip_skips_absent_fields() { |
| 436 | let m = Mutation { |
| 437 | op: Op::Move, |
| 438 | new_name: None, |
| 439 | dst_root_id: Some(3), |
| 440 | dst: Some("docs".into()), |
| 441 | overwrite: true, |
| 442 | }; |
| 443 | let s = serde_json::to_string(&m).unwrap(); |
| 444 | assert!(!s.contains("new_name")); |
| 445 | let back: Mutation = serde_json::from_str(&s).unwrap(); |
| 446 | assert_eq!(back.dst_root_id, Some(3)); |
| 447 | assert_eq!(back.op, Op::Move); |
| 448 | } |
| 449 | |
| 450 | #[test] |
| 451 | fn mutation_defaults_missing_fields() { |
| 452 | let m: Mutation = serde_json::from_str(r#"{"op":"rename","new_name":"a.txt"}"#).unwrap(); |
| 453 | assert!(!m.overwrite); |
| 454 | assert_eq!(m.dst, None); |
| 455 | } |
| 456 | |
| 457 | #[test] |
| 458 | fn root_defaults_mode_to_rw() { |
| 459 | let r: Root = serde_json::from_str(r#"{"path":"docs"}"#).unwrap(); |
| 460 | assert_eq!(r.mode, Mode::Rw); |
| 461 | } |
| 462 | |
| 463 | #[test] |
| 464 | fn me_round_trip() { |
| 465 | let me = Me { |
| 466 | first_boot: false, |
| 467 | user: Some(UserInfo { |
| 468 | id: 1, |
| 469 | name: "admin".into(), |
| 470 | is_admin: true, |
| 471 | single_click_open: false, |
| 472 | thumbnails: true, |
| 473 | language: None, |
| 474 | }), |
| 475 | roots: vec![RootInfo { |
| 476 | id: 1, |
| 477 | name: "root".into(), |
| 478 | path: ".".into(), |
| 479 | mode: Mode::Rw, |
| 480 | }], |
| 481 | allow_writable_shares: false, |
| 482 | thumbnails_available: true, |
| 483 | }; |
| 484 | let s = serde_json::to_string(&me).unwrap(); |
| 485 | let back: Me = serde_json::from_str(&s).unwrap(); |
| 486 | assert_eq!(back.roots.len(), 1); |
| 487 | } |
| 488 | } |
| 489 |