OXYGENHUB
# dc59d1b56c3d oxygenhub / crates / hub / src / web / mod.rs
34.8 KiB · Rust · last changed Approval gates: a job waits for a person with the role 20 days ago source blame history raw
1 
//! Pages (hub spec §6): the router, the shell every template extends, the
2 
//! error page, viewer-aware lookups and askama filters. Handlers are thin:
3 
//! they resolve names, call the view layer under the repository lock, and
4 
//! render.
5
6 
mod admin;
7 
pub(crate) mod assistants;
8 
mod avatar;
9 
mod backups;
10 
pub mod chain;
11 
pub mod coverage;
12 
mod device;
13 
mod diffusion;
14 
pub mod edit;
15 
pub mod filters;
16 
pub mod flow;
17 
mod forks;
18 
pub mod help;
19 
pub mod history;
20 
pub mod home;
21 
pub mod icons;
22
23 
/// A state as people read it (oxygenhub#170): `02a6c9d4746a+… (14 heads)`
24 
/// for heads joined by `+`, which can run to hundreds of characters; a
25 
/// single head, or text that is not heads, unchanged.
26 
pub fn state_label(text: &str) -> String {
27 
    let parts: Vec<&str> = text.split('+').collect();
28 
    let heads = parts.len() > 1 && parts.iter().all(|p| p.len() >= 7 && p.chars().all(|c| c.is_ascii_hexdigit()));
29 
    if !heads {
30 
        return text.to_string();
31 
    }
32 
    format!("{}+… ({} heads)", &parts[0][..12.min(parts[0].len())], parts.len())
33 
}
34 
mod inbox;
35 
pub mod issues;
36 
mod orgs;
37 
pub mod projects;
38 
pub mod proposals;
39 
mod recovery;
40 
mod refs;
41 
pub mod release_trust;
42 
pub mod releases;
43 
mod repo;
44 
mod repo_settings;
45 
pub mod reports;
46 
mod resolve;
47 
pub mod runners;
48 
mod secrets;
49 
mod session;
50 
pub(crate) mod settings;
51 
mod signin;
52 
mod statics;
53 
pub mod test_reports;
54 
mod variables;
55 
mod webhooks;
56 
mod wiki;
57
58 
use crate::auth::{self, Access, Role, Viewer};
59 
use crate::repos::RepoError;
60 
use crate::{db, Shared};
61 
use askama::Template;
62 
use axum::extract::DefaultBodyLimit;
63 
use axum::http::{header, StatusCode};
64 
use axum::response::{Html, IntoResponse, Redirect, Response};
65 
use axum::routing::{any, get, post};
66 
use axum::Router;
67 
use tower_http::compression::CompressionLayer;
68 
use tower_http::trace::TraceLayer;
69
70 
pub fn router(app: Shared) -> Router {
71 
    let push_limit = app.config.limits.push_body_limit.0 as usize;
72 
    Router::new()
73 
        .route("/", get(home::index))
74 
        .route("/explore", get(home::explore))
75 
        .route("/avatar/agent/{name}", get(avatar::agent))
76 
        .route("/avatar/{name}", get(avatar::avatar))
77 
        .route("/health", get(home::health))
78 
        .route("/about", get(home::about))
79 
        .route("/.well-known/oxyhub-key", get(home::hub_key))
80 
        .route("/.well-known/oxyhub-ca.pem", get(home::hub_ca))
81 
        .route("/.well-known/openid-configuration", get(crate::oidc::discovery))
82 
        .route("/.well-known/jwks.json", get(crate::oidc::jwks))
83 
        .route("/style.css", get(statics::style))
84 
        .route("/favicon.svg", get(statics::favicon))
85 
        .route("/favicon.ico", get(statics::favicon))
86 
        .route("/static/{*path}", get(statics::asset))
87 
        .route("/login", get(session::login_form).post(session::login))
88 
        .route("/device", get(device::form).post(device::answer))
89 
        .route("/logout", post(session::logout))
90 
        .route("/register", get(session::register_form).post(session::register))
91 
        .route("/settings", get(settings::profile).post(settings::update_profile))
92 
        .route("/settings/password", post(settings::change_password))
93 
        .route("/settings/appearance", post(settings::appearance))
94 
        .route("/settings/security", get(settings::security))
95 
        .route("/settings/security/totp/begin", post(settings::totp_begin))
96 
        .route("/settings/security/totp/enable", post(settings::totp_enable))
97 
        .route("/settings/security/totp/disable", post(settings::totp_disable))
98 
        .route("/settings/security/sessions", post(settings::sessions_reset))
99 
        .route("/settings/keys", get(settings::keys))
100 
        .route("/settings/keys/upload", post(settings::keys_upload))
101 
        .route("/settings/keys/verify", post(settings::keys_verify))
102 
        .route("/settings/keys/unlink", post(settings::keys_unlink))
103 
        .route("/settings/tokens", get(settings::tokens).post(settings::tokens_create))
104 
        .route("/settings/backups", get(backups::user).post(backups::user_save))
105 
        .route("/settings/backups/run", post(backups::user_run))
106 
        .route("/settings/backups/test", post(backups::user_test))
107 
        .route("/orgs/{name}/settings/backups", get(backups::org).post(backups::org_save))
108 
        .route("/orgs/{name}/settings/backups/run", post(backups::org_run))
109 
        .route("/orgs/{name}/settings/backups/test", post(backups::org_test))
110 
        .route("/settings/tokens/{id}/delete", post(settings::tokens_delete))
111 
        .route("/new", get(repo_settings::new_form).post(repo_settings::create))
112 
        .route("/orgs/new", get(orgs::new_form).post(orgs::create))
113 
        .route("/orgs/{name}/settings", get(orgs::settings).post(orgs::update))
114 
        .route("/orgs/{name}/settings/members", post(orgs::member))
115 
        .route("/orgs/{name}/settings/teams", post(orgs::team))
116 
        .route("/orgs/{name}/settings/hooks", post(orgs::hooks))
117 
        .route("/orgs/{name}/settings/assistants", post(orgs::assistants))
118 
        .route("/orgs/{name}/settings/assistants/models", post(orgs::assistant_models))
119 
        .route("/orgs/{name}/settings/variables", post(orgs::variables))
120 
        .route("/orgs/{name}/settings/secrets", post(orgs::secrets))
121 
        .route("/orgs/{name}/settings/storage", post(orgs::storage))
122 
        .route("/orgs/{name}/settings/runners/token", post(orgs::runner_token))
123 
        .route("/orgs/{name}/settings/runners/{id}/remove", post(orgs::runner_remove))
124 
        .route("/orgs/{name}/settings/hooks/{id}/deliveries", get(orgs::deliveries))
125 
        .route("/orgs/{name}/settings/hooks/{id}/redeliver/{delivery}", post(orgs::redeliver))
126 
        .route("/orgs/{name}/settings/avatar", post(orgs::avatar).layer(DefaultBodyLimit::max(avatar::MAX_BYTES + (64 << 10))))
127 
        .route("/settings/avatar", post(settings::avatar).layer(DefaultBodyLimit::max(avatar::MAX_BYTES + (64 << 10))))
128 
        .route("/notifications", get(inbox::inbox))
129 
        .route("/notifications/read", post(inbox::mark_read))
130 
        .route("/settings/notifications", get(inbox::unsubscribe).post(inbox::prefs))
131 
        .route("/search", get(inbox::search))
132 
        .route("/admin", get(admin::index))
133 
        .route("/admin/registration", post(admin::set_mode))
134 
        .route("/admin/invite", post(admin::invite))
135 
        .route("/admin/account", post(admin::account))
136 
        .route("/admin/storage", get(admin::storage).post(admin::maintain))
137 
        .route("/admin/runners", get(runners::list))
138 
        .route("/admin/runners/settings", get(runners::settings).post(runners::save_settings))
139 
        .route("/admin/runners/images", get(runners::images))
140 
        .route("/admin/diffusion", get(diffusion::admin))
141 
        .route("/{owner}/{name}/diffusion", get(diffusion::page))
142 
        .route("/admin/runners/token", post(runners::new_token))
143 
        .route("/admin/runners/{id}", get(runners::show))
144 
        .route("/admin/runners/{id}/state", post(runners::set_state))
145 
        .route("/admin/runners/{id}/scope", post(runners::set_scope))
146 
        .route("/admin/runners/{id}/limits", post(runners::set_limits))
147 
        .route("/admin/mail", post(admin::set_mail))
148 
        .route("/admin/mail/test", post(admin::test_mail))
149 
        .route("/admin/assistants", post(admin::assistants))
150 
        .route("/admin/assistants/models", post(admin::assistant_models))
151 
        .route("/admin/signin", post(admin::signin))
152 
        .route("/login/{provider}", get(signin::start))
153 
        .route("/login/{provider}/callback", get(signin::callback))
154 
        .route("/settings/security/connect/{provider}", get(signin::connect))
155 
        .route("/settings/security/disconnect/{provider}", post(signin::disconnect))
156 
        .route("/admin/variables", post(admin::variables))
157 
        .route("/admin/secrets", post(admin::secrets))
158 
        .route("/admin/runners/{id}/remove", post(runners::remove))
159 
        .nest("/api/v1", crate::api::router(app.config.limits.asset_limit.0 as usize))
160 
        .route("/{owner}", get(home::owner))
161 
        .route("/{owner}/{name}", get(repo::overview))
162 
        .route("/{owner}/{name}/tree/{r}", get(repo::tree_root))
163 
        .route("/{owner}/{name}/tree/{r}/{*path}", get(repo::tree))
164 
        .route("/{owner}/{name}/file/{r}/{*path}", get(repo::file))
165 
        .route("/{owner}/{name}/function/{r}/{*path}", get(history::function))
166 
        .route("/{owner}/{name}/lanes/{r}", get(history::lanes))
167 
        .route("/{owner}/{name}/lanes/{r}/plan", post(history::plan))
168 
        .route("/{owner}/{name}/raw/{r}/{*path}", get(repo::raw_file))
169 
        .route("/{owner}/{name}/last/{r}", get(repo::last_changes))
170 
        .route("/{owner}/{name}/changes/{r}", get(history::history))
171 
        .route("/{owner}/{name}/change/{hash}", get(history::change))
172 
        .route("/apt", get(crate::apt::home))
173 
        .route("/apt/{file}", get(crate::apt::key))
174 
        .route("/apt/dists/{suite}/{*rest}", get(crate::apt::dists))
175 
        .route("/apt/pool/{*path}", get(crate::apt::pool))
176 
        .route("/help", get(help::help))
177 
        .route("/projects/{owner}", get(projects::list).post(projects::create))
178 
        .route("/projects/{owner}/{number}", get(projects::show).post(projects::act))
179 
        .route("/notifications/thread", post(inbox::thread))
180 
        .route("/notifications/open/{id}", get(inbox::open))
181 
        .route("/login/reset", get(recovery::request_form).post(recovery::request))
182 
        .route("/login/reset/{secret}", get(recovery::new_password_form).post(recovery::set_new_password))
183 
        .route("/verify/{secret}", get(recovery::verify))
184 
        .route("/settings/email/verify", post(settings::resend_verification))
185 
        .route("/{owner}/{name}/compare", get(history::compare_index))
186 
        .route("/{owner}/{name}/compare/{spec}", get(history::compare))
187 
        .route("/{owner}/{name}/bookmarks", get(refs::bookmarks))
188 
        .route("/{owner}/{name}/bookmarks/delete", post(refs::delete_bookmark))
189 
        .route("/{owner}/{name}/tags", get(refs::tags))
190 
        .route("/{owner}/{name}/conflicts", get(refs::conflicts))
191 
        .route("/{owner}/{name}/trust", get(refs::trust))
192 
        .route("/{owner}/{name}/pushes", get(refs::pushes))
193 
        .route("/{owner}/{name}/fork", get(forks::form).post(forks::create))
194 
        .route("/{owner}/{name}/forks", get(forks::list))
195 
        .route("/{owner}/{name}/settings", get(repo_settings::settings).post(repo_settings::update))
196 
        .route("/{owner}/{name}/settings/collaborators", post(repo_settings::collaborator))
197 
        .route("/{owner}/{name}/settings/delete", post(repo_settings::delete))
198 
        .route("/{owner}/{name}/settings/transfer", post(repo_settings::transfer))
199 
        .route("/{owner}/{name}/settings/archive", post(repo_settings::archive))
200 
        .route("/{owner}/{name}/settings/wiki/delete", post(repo_settings::wiki_delete))
201 
        .route("/{owner}/{name}/wiki", get(wiki::home))
202 
        .route("/{owner}/{name}/wiki/_pages", get(wiki::pages))
203 
        .route("/{owner}/{name}/wiki/_new", get(wiki::new_form))
204 
        .route("/{owner}/{name}/wiki/_raw/{*path}", get(wiki::raw))
205 
        .route("/{owner}/{name}/wiki/{slug}", get(wiki::show))
206 
        .route("/{owner}/{name}/wiki/{slug}/edit", get(wiki::edit_form).post(wiki::save))
207 
        .route("/{owner}/{name}/wiki/{slug}/history", get(wiki::history))
208 
        .route("/{owner}/{name}/wiki/{slug}/delete", post(wiki::delete))
209 
        .route("/{owner}/{name}/settings/requirements", post(repo_settings::requirements))
210 
        .route("/{owner}/{name}/proposals", get(proposals::list))
211 
        .route("/{owner}/{name}/proposals/new", get(proposals::new_form).post(proposals::create))
212 
        .route("/{owner}/{name}/proposals/new/draft", post(proposals::new_draft))
213 
        .route("/{owner}/{name}/proposal/{number}", get(proposals::show))
214 
        .route("/{owner}/{name}/proposal/{number}/comment", post(proposals::comment))
215 
        .route("/{owner}/{name}/proposal/{number}/comment/{id}/resolve", post(proposals::resolve_comment))
216 
        .route("/{owner}/{name}/proposal/{number}/review", post(proposals::review))
217 
        .route("/{owner}/{name}/proposal/{number}/reviewers", post(proposals::reviewers))
218 
        .route("/{owner}/{name}/proposal/{number}/assistant", post(proposals::assistant))
219 
        .route("/{owner}/{name}/proposal/{number}/draft", post(proposals::draft))
220 
        .route("/{owner}/{name}/proposal/{number}/edit", post(proposals::edit))
221 
        .route("/{owner}/{name}/proposal/{number}/state", post(proposals::state))
222 
        .route("/{owner}/{name}/proposal/{number}/land", post(proposals::land))
223 
        .route("/{owner}/{name}/proposal/{number}/labels", post(proposals::set_labels))
224 
        .route("/{owner}/{name}/proposal/{number}/project", post(projects::place_proposal))
225 
        .route("/{owner}/{name}/issue/{number}/project", post(projects::place_issue))
226 
        .route("/{owner}/{name}/proposal/{number}/events", get(proposals::events))
227 
        .route("/{owner}/{name}/settings/hooks", post(repo_settings::hooks))
228 
        .route("/{owner}/{name}/settings/assistants", post(repo_settings::assistants))
229 
        .route("/{owner}/{name}/settings/assistants/models", post(repo_settings::assistant_models))
230 
        .route("/{owner}/{name}/settings/variables", post(repo_settings::variables))
231 
        .route("/{owner}/{name}/settings/secrets", post(repo_settings::secrets))
232 
        .route("/{owner}/{name}/settings/hooks/{id}/deliveries", get(repo_settings::deliveries))
233 
        .route("/{owner}/{name}/settings/hooks/{id}/redeliver/{delivery}", post(repo_settings::redeliver))
234 
        .route("/{owner}/{name}/settings/checks", post(repo_settings::required_checks))
235 
        .route("/{owner}/{name}/watch", post(issues::watch))
236 
        .route("/{owner}/{name}/star", post(issues::star))
237 
        .route("/{owner}/{name}/edit/{r}", post(edit::save))
238 
        .route("/{owner}/{name}/edit/{r}/{*path}", get(edit::edit_form))
239 
        .route("/{owner}/{name}/resolve/{bookmark}/{*path}", get(resolve::form).post(resolve::save))
240 
        .route("/{owner}/{name}/resolve-live/{bookmark}/{*path}", get(resolve::live_events).post(resolve::live_choose))
241 
        .route("/{owner}/{name}/newfile/{r}", get(edit::new_form))
242 
        .route("/{owner}/{name}/flow", get(flow::runs))
243 
        .route("/{owner}/{name}/flow/badge.svg", get(flow::badge))
244 
        .route("/{owner}/{name}/tests", get(test_reports::overview))
245 
        .route("/{owner}/{name}/tests/case", get(test_reports::case))
246 
        .route("/{owner}/{name}/reports", get(reports::overview))
247 
        .route("/{owner}/{name}/reports/files/{id}/{mac}/{*path}", get(reports::file))
248 
        .route("/{owner}/{name}/reports/{report}", get(reports::show))
249 
        .route("/{owner}/{name}/coverage", get(coverage::overview))
250 
        .route("/{owner}/{name}/coverage/badge.svg", get(coverage::badge))
251 
        .route("/{owner}/{name}/coverage/{id}/file/{*path}", get(coverage::file))
252 
        .route("/{owner}/{name}/flow/{id}", get(flow::run))
253 
        .route("/{owner}/{name}/flow/{id}/live", get(flow::live))
254 
        .route("/{owner}/{name}/flow/start", post(flow::start))
255 
        .route("/{owner}/{name}/flow/{id}/rerun", post(flow::rerun))
256 
        .route("/{owner}/{name}/flow/{id}/jobs/{job}/rerun", post(flow::rerun_job))
257 
        .route("/{owner}/{name}/flow/{id}/jobs/{job}/decide", post(flow::decide))
258 
        .route("/{owner}/{name}/flow/{id}/cancel", post(flow::cancel))
259 
        .route("/{owner}/{name}/flow/stamp/{r}", get(flow::stamp))
260 
        .route("/{owner}/{name}/flow/at/{r}", get(flow::at))
261 
        .route("/{owner}/{name}/receipts/{attest}", get(flow::receipt_file))
262 
        .route("/{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}", get(flow::artifact_file))
263 
        .route("/{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}/attach", post(flow::attach))
264 
        .route("/{owner}/{name}/releases", get(releases::list))
265 
        .route("/{owner}/{name}/releases/new", get(releases::new_form).post(releases::create))
266 
        .route("/{owner}/{name}/releases/tag/{*tag}", get(releases::show))
267 
        .route("/{owner}/{name}/releases/trust/{*tag}", get(release_trust::page))
268 
        .route("/{owner}/{name}/releases/edit/{id}", post(releases::edit))
269 
        .route(
270 
            "/{owner}/{name}/releases/upload/{id}",
271 
            post(releases::upload).layer(DefaultBodyLimit::max(app.config.limits.asset_limit.0 as usize + (1 << 20))),
272 
        )
273 
        .route("/{owner}/{name}/asset/{id}/{file}", get(releases::download))
274 
        .route("/{owner}/{name}/archive", get(releases::source_archive))
275 
        .route("/{owner}/{name}/search", get(repo::code_search))
276 
        .route("/{owner}/{name}/info/{*rest}", any(git_info))
277 
        .route("/{owner}/{name}/HEAD", get(git_head))
278 
        .route("/{owner}/{name}/objects/{*rest}", get(git_objects))
279 
        .route("/{owner}/{name}/git-upload-pack", post(git_upload_pack))
280 
        .route("/{owner}/{name}/git-receive-pack", post(git_receive_pack))
281 
        .route("/{owner}/{name}/settings/mirror", post(repo_settings::mirror))
282 
        .route("/{owner}/{name}/settings/flow", post(repo_settings::flow))
283 
        .route("/{owner}/{name}/settings/diffusion", post(repo_settings::diffusion))
284 
        .route("/{owner}/{name}/settings/storage", post(repo_settings::storage))
285 
        .route("/{owner}/{name}/settings/coverage", post(repo_settings::coverage))
286 
        .route("/{owner}/{name}/settings/runners/token", post(repo_settings::runner_token))
287 
        .route("/{owner}/{name}/settings/runners/{id}/remove", post(repo_settings::runner_remove))
288 
        .route("/{owner}/{name}/issues", get(issues::list))
289 
        .route("/{owner}/{name}/issues/new", get(issues::new_form).post(issues::create))
290 
        .route("/{owner}/{name}/issue/{number}", get(issues::show))
291 
        .route("/{owner}/{name}/issue/{number}/comment", post(issues::comment))
292 
        .route("/{owner}/{name}/issue/{number}/comment/{id}/delete", post(issues::delete_comment))
293 
        .route("/{owner}/{name}/issue/{number}/edit", post(issues::edit))
294 
        .route("/{owner}/{name}/issue/{number}/state", post(issues::state))
295 
        .route("/{owner}/{name}/issue/{number}/labels", post(issues::set_labels))
296 
        .route("/{owner}/{name}/issue/{number}/assign", post(issues::assign))
297 
        .route("/{owner}/{name}/issue/{number}/milestone", post(issues::set_milestone))
298 
        .route("/{owner}/{name}/issue/{number}/subscribe", post(issues::subscribe))
299 
        .route("/{owner}/{name}/labels", get(issues::labels).post(issues::save_label))
300 
        .route("/{owner}/{name}/milestones", get(issues::milestones).post(issues::save_milestone))
301 
        .route("/{owner}/{name}/oxy/v1/{endpoint}", any(crate::protocol::dispatch).layer(DefaultBodyLimit::max(push_limit)))
302 
        .fallback(not_found)
303 
        .layer(axum::middleware::from_fn_with_state(app.clone(), same_origin))
304 
        .layer(CompressionLayer::new())
305 
        .layer(TraceLayer::new_for_http())
306 
        .with_state(app)
307 
}
308
309 
// Git's smart HTTP paths under `/{owner}/{name}.git/`, forwarded to the
310 
// mirror (hub spec §14).
311 
async fn git_info(
312 
    st: axum::extract::State<Shared>,
313 
    axum::extract::Path((o, n, rest)): axum::extract::Path<(String, String, String)>,
314 
    m: axum::http::Method,
315 
    q: axum::extract::RawQuery,
316 
    h: axum::http::HeaderMap,
317 
    b: axum::body::Bytes,
318 
) -> Response {
319 
    crate::mirror::serve(st, axum::extract::Path((o, n, format!("info/{rest}"))), m, q, h, b).await
320 
}
321
322 
async fn git_head(
323 
    st: axum::extract::State<Shared>,
324 
    axum::extract::Path((o, n)): axum::extract::Path<(String, String)>,
325 
    m: axum::http::Method,
326 
    q: axum::extract::RawQuery,
327 
    h: axum::http::HeaderMap,
328 
    b: axum::body::Bytes,
329 
) -> Response {
330 
    crate::mirror::serve(st, axum::extract::Path((o, n, "HEAD".into())), m, q, h, b).await
331 
}
332
333 
async fn git_objects(
334 
    st: axum::extract::State<Shared>,
335 
    axum::extract::Path((o, n, rest)): axum::extract::Path<(String, String, String)>,
336 
    m: axum::http::Method,
337 
    q: axum::extract::RawQuery,
338 
    h: axum::http::HeaderMap,
339 
    b: axum::body::Bytes,
340 
) -> Response {
341 
    crate::mirror::serve(st, axum::extract::Path((o, n, format!("objects/{rest}"))), m, q, h, b).await
342 
}
343
344 
async fn git_upload_pack(
345 
    st: axum::extract::State<Shared>,
346 
    axum::extract::Path((o, n)): axum::extract::Path<(String, String)>,
347 
    m: axum::http::Method,
348 
    q: axum::extract::RawQuery,
349 
    h: axum::http::HeaderMap,
350 
    b: axum::body::Bytes,
351 
) -> Response {
352 
    crate::mirror::serve(st, axum::extract::Path((o, n, "git-upload-pack".into())), m, q, h, b).await
353 
}
354
355 
async fn git_receive_pack(
356 
    st: axum::extract::State<Shared>,
357 
    axum::extract::Path((o, n)): axum::extract::Path<(String, String)>,
358 
    m: axum::http::Method,
359 
    q: axum::extract::RawQuery,
360 
    h: axum::http::HeaderMap,
361 
    b: axum::body::Bytes,
362 
) -> Response {
363 
    crate::mirror::serve(st, axum::extract::Path((o, n, "git-receive-pack".into())), m, q, h, b).await
364 
}
365
366 
/// Cross-site form posts are refused (hub spec §15.2): a browser that
367 
/// sends `Origin` or `Sec-Fetch-Site` must name this site. Protocol and
368 
/// API clients send neither.
369 
async fn same_origin(
370 
    axum::extract::State(app): axum::extract::State<Shared>,
371 
    req: axum::extract::Request,
372 
    next: axum::middleware::Next,
373 
) -> Response {
374 
    if req.method() != axum::http::Method::GET && req.method() != axum::http::Method::HEAD {
375 
        let headers = req.headers();
376 
        if headers.get("sec-fetch-site").and_then(|v| v.to_str().ok()) == Some("cross-site") {
377 
            return (StatusCode::FORBIDDEN, "cross-site request refused").into_response();
378 
        }
379 
        if let Some(origin) = headers.get(header::ORIGIN).and_then(|v| v.to_str().ok()) {
380 
            let host_of = |u: &str| u.split("://").nth(1).unwrap_or(u).split('/').next().unwrap_or("").to_ascii_lowercase();
381 
            let request_host = headers.get(header::HOST).and_then(|v| v.to_str().ok()).map(|h| h.to_ascii_lowercase());
382 
            let ok = host_of(origin) == host_of(app.config.base_url()) || request_host.as_deref() == Some(host_of(origin).as_str());
383 
            if !ok && origin != "null" {
384 
                return (StatusCode::FORBIDDEN, "cross-site request refused").into_response();
385 
            }
386 
        }
387 
    }
388 
    next.run(req).await
389 
}
390
391 
/// What every page's chrome needs.
392 
#[derive(Clone, Debug)]
393 
pub struct Shell {
394 
    pub site: String,
395 
    pub base_url: String,
396 
    pub path: String,
397 
    pub version: &'static str,
398 
    /// What was built: `oxy describe` at deploy, a Flow build's heads, or "local build".
399 
    pub build: &'static str,
400 
    /// The signed-in username, if any.
401 
    pub user: Option<String>,
402 
    pub is_admin: bool,
403 
    pub csrf: String,
404 
    pub unread: i64,
405 
}
406
407 
impl Shell {
408 
    /// The version in the stylesheet and script URLs (`statics::assets_version`).
409 
    pub fn assets(&self) -> &'static str {
410 
        statics::assets_version()
411 
    }
412
413 
    pub fn new(app: &Shared, path: &str, viewer: &Viewer) -> Shell {
414 
        Shell {
415 
            site: app.config.site.name.clone(),
416 
            base_url: app.config.base_url().to_string(),
417 
            path: path.to_string(),
418 
            version: env!("CARGO_PKG_VERSION"),
419 
            build: env!("OXY_BUILD_ID"),
420 
            user: viewer.account().map(|a| a.username.clone()),
421 
            is_admin: viewer.is_admin(),
422 
            csrf: viewer.csrf().to_string(),
423 
            unread: viewer.0.as_ref().map(|v| v.unread).unwrap_or(0),
424 
        }
425 
    }
426
427 
    pub fn anonymous(app: &Shared, path: &str) -> Shell {
428 
        Shell::new(app, path, &Viewer(None))
429 
    }
430 
}
431
432 
/// The repository chrome: tabs and counts.
433 
#[derive(Clone, Debug)]
434 
pub struct RepoShell {
435 
    pub owner: String,
436 
    pub name: String,
437 
    pub url: String,
438 
    pub description: String,
439 
    pub default_bookmark: String,
440 
    pub visibility: String,
441 
    pub tab: &'static str,
442 
    pub clone_url: String,
443 
    /// The viewer's role, for showing settings and write actions.
444 
    pub role: Option<Role>,
445 
    /// Open issues and proposals, shown on their tabs.
446 
    pub open_issues: i64,
447 
    pub open_proposals: i64,
448 
    /// Read-only (#108).
449 
    pub archived: bool,
450 
    /// Whether the repository has a wiki (§6.11).
451 
    pub wiki: bool,
452 
    /// The bucket its data lives in, when not this hub's disk (#96), as
453 
    /// the header's provider icon shows it (#123).
454 
    pub stored_in: Option<crate::storage::StoreBadge>,
455 
    /// Whether it has coverage reports, for the Coverage tab (#113).
456 
    pub coverage: bool,
457 
    /// Whether it has test reports, for the Tests tab (#114).
458 
    pub tests: bool,
459 
    /// Whether it has reports of its own (#127); with coverage or tests,
460 
    /// the Reports tab.
461 
    pub reports: bool,
462 
    /// Whether it pins, or is pinned by, another repository here: the
463 
    /// Diffusion tab (#150).
464 
    pub diffusion: bool,
465 
}
466
467 
impl RepoShell {
468 
    pub fn new(app: &Shared, row: &db::repos::RepoRow, tab: &'static str) -> RepoShell {
469 
        RepoShell {
470 
            owner: row.owner.clone(),
471 
            name: row.name.clone(),
472 
            url: format!("/{}/{}", row.owner, row.name),
473 
            description: row.description.clone(),
474 
            default_bookmark: row.default_bookmark.clone(),
475 
            visibility: row.visibility.clone(),
476 
            tab,
477 
            clone_url: format!("{}/{}/{}", app.config.base_url(), row.owner, row.name),
478 
            role: None,
479 
            open_issues: row.open_issues,
480 
            open_proposals: row.open_proposals,
481 
            archived: row.archived,
482 
            wiki: crate::repos::RepoName::new(&row.owner, &row.name).is_some_and(|n| app.wikis.exists(&n)),
483 
            stored_in: crate::storage::location(app, &row.owner, &row.name).and_then(|u| crate::storage::StoreBadge::of(&u)),
484 
            coverage: crate::coverage::has_reports(app, row.id),
485 
            tests: crate::junit::has_reports(app, row.id),
486 
            reports: crate::reports::has_reports(app, row.id),
487 
            diffusion: crate::diffusion::involved(app, row.id),
488 
        }
489 
    }
490
491 
    pub fn with_role(mut self, role: Role) -> RepoShell {
492 
        self.role = Some(role);
493 
        self
494 
    }
495
496 
    pub fn can(&self, access: Access) -> bool {
497 
        auth::roles::allows(self.role, access)
498 
    }
499
500 
    pub fn can_maintain(&self) -> bool {
501 
        self.can(Access::Maintain)
502 
    }
503 
}
504
505 
/// Render a template as an HTML response.
506 
/// One page of a long list: which page, how many, and links that keep
507 
/// the rest of the query.
508 
#[derive(Clone, Debug)]
509 
pub struct Pager {
510 
    pub page: usize,
511 
    pub pages: usize,
512 
    pub total: usize,
513 
    /// The query without `page`, each pair encoded, joined with `&`.
514 
    query: String,
515 
}
516
517 
impl Pager {
518 
    pub const PER_PAGE: usize = 25;
519
520 
    /// `page` counts from 1; out-of-range pages clamp to the last.
521 
    pub fn new(total: usize, page: Option<usize>, query: &[(&str, &str)]) -> Pager {
522 
        let pages = total.div_ceil(Self::PER_PAGE).max(1);
523 
        let page = page.unwrap_or(1).clamp(1, pages);
524 
        let query = query
525 
            .iter()
526 
            .filter(|(_, v)| !v.is_empty())
527 
            .map(|(k, v)| format!("{k}={}", settings::urlencode(v).replace('/', "%2F")))
528 
            .collect::<Vec<_>>()
529 
            .join("&");
530 
        Pager { page, pages, total, query }
531 
    }
532
533 
    /// This page's items.
534 
    pub fn slice<T>(&self, all: Vec<T>) -> Vec<T> {
535 
        all.into_iter().skip((self.page - 1) * Self::PER_PAGE).take(Self::PER_PAGE).collect()
536 
    }
537
538 
    pub fn url(&self, page: usize) -> String {
539 
        if self.query.is_empty() {
540 
            format!("?page={page}")
541 
        } else {
542 
            format!("?{}&page={page}", self.query)
543 
        }
544 
    }
545
546 
    /// The same query with another sort, back on page one.
547 
    pub fn sorted(&self, sort: &str) -> String {
548 
        let rest: Vec<&str> = self.query.split('&').filter(|p| !p.is_empty() && !p.starts_with("sort=")).collect();
549 
        let mut q = rest.join("&");
550 
        if !q.is_empty() {
551 
            q.push('&');
552 
        }
553 
        format!("?{q}sort={sort}")
554 
    }
555 
}
556
557 
pub struct Page<T: Template>(pub T);
558
559 
impl<T: Template> IntoResponse for Page<T> {
560 
    fn into_response(self) -> Response {
561 
        match self.0.render() {
562 
            Ok(s) => Html(s).into_response(),
563 
            Err(e) => {
564 
                tracing::error!("template: {e}");
565 
                (StatusCode::INTERNAL_SERVER_ERROR, "template error").into_response()
566 
            }
567 
        }
568 
    }
569 
}
570
571 
#[derive(Template)]
572 
#[template(path = "error.html")]
573 
struct ErrorPage {
574 
    shell: Shell,
575 
    status: u16,
576 
    title: String,
577 
    detail: String,
578 
}
579
580 
/// A page-level failure, rendered inside the shell, or a redirect.
581 
#[derive(Debug)]
582 
pub struct Error {
583 
    pub status: StatusCode,
584 
    pub detail: String,
585 
    shell: Option<Box<Shell>>,
586 
    redirect: Option<String>,
587 
}
588
589 
impl Error {
590 
    pub fn redirect(to: String) -> Error {
591 
        Error { status: StatusCode::SEE_OTHER, detail: String::new(), shell: None, redirect: Some(to) }
592 
    }
593
594 
    pub fn not_found(shell: Shell) -> Error {
595 
        Error {
596 
            status: StatusCode::NOT_FOUND,
597 
            detail: "There is nothing at this address.".into(),
598 
            shell: Some(Box::new(shell)),
599 
            redirect: None,
600 
        }
601 
    }
602
603 
    pub fn bad(shell: Shell, detail: impl Into<String>) -> Error {
604 
        Error { status: StatusCode::BAD_REQUEST, detail: detail.into(), shell: Some(Box::new(shell)), redirect: None }
605 
    }
606
607 
    pub fn from_repo(shell: Shell, e: RepoError) -> Error {
608 
        match e {
609 
            RepoError::NotFound => Error::not_found(shell),
610 
            RepoError::Oxy(oxy_core::repo::RepoError::Msg(m)) => {
611 
                Error { status: StatusCode::NOT_FOUND, detail: m, shell: Some(Box::new(shell)), redirect: None }
612 
            }
613 
            other => {
614 
                Error { status: StatusCode::INTERNAL_SERVER_ERROR, detail: other.to_string(), shell: Some(Box::new(shell)), redirect: None }
615 
            }
616 
        }
617 
    }
618
619 
    pub fn from_db(shell: Shell, e: sqlx::Error) -> Error {
620 
        Error { status: StatusCode::INTERNAL_SERVER_ERROR, detail: e.to_string(), shell: Some(Box::new(shell)), redirect: None }
621 
    }
622 
}
623
624 
impl IntoResponse for Error {
625 
    fn into_response(self) -> Response {
626 
        if let Some(to) = self.redirect {
627 
            return Redirect::to(&to).into_response();
628 
        }
629 
        let title = match self.status {
630 
            StatusCode::NOT_FOUND => "Not found",
631 
            StatusCode::BAD_REQUEST => "Bad request",
632 
            _ => "Something went wrong",
633 
        };
634 
        if self.status.is_server_error() {
635 
            tracing::error!("{}", self.detail);
636 
        }
637 
        let shell = self.shell.map(|b| *b).unwrap_or(Shell {
638 
            site: "OxygenHub".into(),
639 
            base_url: String::new(),
640 
            path: String::new(),
641 
            version: "",
642 
            build: "",
643 
            user: None,
644 
            is_admin: false,
645 
            csrf: String::new(),
646 
            unread: 0,
647 
        });
648 
        let page = ErrorPage { shell, status: self.status.as_u16(), title: title.into(), detail: self.detail };
649 
        match page.render() {
650 
            Ok(s) => (self.status, Html(s)).into_response(),
651 
            Err(_) => (self.status, title).into_response(),
652 
        }
653 
    }
654 
}
655
656 
async fn not_found(axum::extract::State(app): axum::extract::State<Shared>, viewer: Viewer, uri: axum::http::Uri) -> Response {
657 
    Error::not_found(Shell::new(&app, uri.path(), &viewer)).into_response()
658 
}
659
660 
/// A raw file response with a safe content type (hub spec §15.2).
661 
pub fn raw(bytes: Vec<u8>, name: &str, inline_image: bool) -> Response {
662 
    let mime = mime_of(name);
663 
    let disposition = if inline_image && mime.starts_with("image/") { "inline" } else { "attachment" };
664 
    (
665 
        [
666 
            (header::CONTENT_TYPE, mime.to_string()),
667 
            (header::CONTENT_DISPOSITION, format!("{disposition}; filename=\"{}\"", name.replace('"', ""))),
668 
            (header::X_CONTENT_TYPE_OPTIONS, "nosniff".to_string()),
669 
        ],
670 
        bytes,
671 
    )
672 
        .into_response()
673 
}
674
675 
pub fn mime_of(name: &str) -> &'static str {
676 
    match name.rsplit('.').next().map(|e| e.to_ascii_lowercase()).as_deref() {
677 
        Some("png") => "image/png",
678 
        Some("jpg" | "jpeg") => "image/jpeg",
679 
        Some("gif") => "image/gif",
680 
        Some("webp") => "image/webp",
681 
        Some("svg") => "image/svg+xml",
682 
        Some("pdf") => "application/pdf",
683 
        Some(
684 
            "txt" | "md" | "rs" | "toml" | "json" | "yml" | "yaml" | "c" | "h" | "cpp" | "hpp" | "py" | "js" | "ts" | "html" | "css" | "sh",
685 
        ) => "text/plain; charset=utf-8",
686 
        _ => "application/octet-stream",
687 
    }
688 
}
689
690 
/// Resolve `{owner}/{name}` for the viewer with at least `access`, or 404:
691 
/// a repository the viewer may not see does not exist for them (hub spec
692 
/// §4.4). Returns the viewer's role too.
693 
pub async fn lookup_role(
694 
    app: &Shared,
695 
    shell: &Shell,
696 
    viewer: &Viewer,
697 
    owner: &str,
698 
    name: &str,
699 
    access: Access,
700 
) -> Result<(crate::repos::RepoName, db::repos::RepoRow, Role), Error> {
701 
    let repo = crate::repos::RepoName::new(owner, name).ok_or_else(|| Error::not_found(shell.clone()))?;
702 
    let row = match db::repos::get(&app.db, owner, name).await.map_err(|e| Error::from_db(shell.clone(), e))? {
703 
        Some(row) => row,
704 
        None => {
705 
            // A transferred repository: the old URL goes to the new one (#108),
706 
            // the rest of the path kept, when the viewer may see it.
707 
            let moved = db::repos::moved_to(&app.db, owner, name).await.map_err(|e| Error::from_db(shell.clone(), e))?;
708 
            let Some(moved) = moved else { return Err(Error::not_found(shell.clone())) };
709 
            let role = auth::roles::role_for(&app.db, viewer.account(), &moved).await.map_err(|e| Error::from_db(shell.clone(), e))?;
710 
            if !auth::roles::allows(role, Access::Read) {
711 
                return Err(Error::not_found(shell.clone()));
712 
            }
713 
            let old = format!("/{owner}/{name}");
714 
            let rest = shell.path.strip_prefix(&old).unwrap_or("");
715 
            return Err(Error::redirect(format!("/{}/{}{rest}", moved.owner, moved.name)));
716 
        }
717 
    };
718 
    let role = auth::roles::role_for(&app.db, viewer.account(), &row).await.map_err(|e| Error::from_db(shell.clone(), e))?;
719 
    if !auth::roles::allows(role, access) {
720 
        return Err(Error::not_found(shell.clone()));
721 
    }
722 
    if row.archived && matches!(access, Access::Write | Access::Maintain) {
723 
        return Err(archived(shell));
724 
    }
725 
    Ok((repo, row, role.unwrap_or(Role::Read)))
726 
}
727
728 
/// The error for a write to an archived repository (#108).
729 
pub fn archived(shell: &Shell) -> Error {
730 
    Error::bad(shell.clone(), "This repository is archived and read-only. Its admins can bring it back under Settings › Advanced.")
731 
}
732
733 
/// Refuse a change to an archived repository, for handlers that open it
734 
/// for reading and then write.
735 
pub fn writable(row: &db::repos::RepoRow, shell: &Shell) -> Result<(), Error> {
736 
    if row.archived {
737 
        Err(archived(shell))
738 
    } else {
739 
        Ok(())
740 
    }
741 
}
742
743 
/// `lookup_role` for reading.
744 
pub async fn lookup(
745 
    app: &Shared,
746 
    shell: &Shell,
747 
    viewer: &Viewer,
748 
    owner: &str,
749 
    name: &str,
750 
) -> Result<(crate::repos::RepoName, db::repos::RepoRow, Role), Error> {
751 
    lookup_role(app, shell, viewer, owner, name, Access::Read).await
752 
}
753
754 
/// Fill `account` on change authors whose key is linked to an account.
755 
pub async fn attribute(app: &Shared, changes: &mut [&mut crate::repos::view::ChangeView]) {
756 
    if changes.is_empty() {
757 
        return;
758 
    }
759 
    let Ok(links) = db::accounts::identity_accounts(&app.db).await else { return };
760 
    let map: std::collections::HashMap<String, String> = links.into_iter().collect();
761 
    for c in changes.iter_mut() {
762 
        if let Some(u) = map.get(&c.author.key) {
763 
            c.author.account = Some(u.clone());
764 
        }
765 
    }
766 
}