OXYGENHUB
# a66c05a6a881 oxygenhub / crates / hub / src / web / mod.rs
45.1 KiB · Rust · last changed A mistyped address shows the not-found page (closes #294) 12 days ago source blame history raw
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//! Pages (hub spec §6): the router, the shell every template extends, the
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//! error page, viewer-aware lookups and askama filters. Handlers are thin:
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//! they resolve names, call the view layer under the repository lock, and
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//! render.
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mod admin;
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mod artifacts;
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pub(crate) mod assistants;
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mod avatar;
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pub(crate) mod backups;
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pub mod chain;
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pub mod charts;
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pub mod coverage;
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mod device;
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mod diffusion;
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mod drops;
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pub mod edit;
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pub mod filters;
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pub mod flow;
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mod forks;
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pub mod help;
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pub mod history;
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pub mod home;
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pub mod icons;
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mod insights;
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mod live_stream;
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mod security_txt;
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mod transparency;
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/// A state as people read it (oxygenhub#170): `02a6c9d4746a+… (14 heads)`
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/// for heads joined by `+`, which can run to hundreds of characters; a
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/// single head, or text that is not heads, unchanged.
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pub fn state_label(text: &str) -> String {
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    let parts: Vec<&str> = text.split('+').collect();
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    let heads = parts.len() > 1 && parts.iter().all(|p| p.len() >= 7 && p.chars().all(|c| c.is_ascii_hexdigit()));
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    if !heads {
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        return text.to_string();
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    }
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    format!("{}+… ({} heads)", &parts[0][..12.min(parts[0].len())], parts.len())
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}
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mod inbox;
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pub mod issues;
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mod orgs;
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pub mod projects;
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pub mod proposals;
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mod recovery;
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mod refs;
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pub mod release_trust;
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pub mod releases;
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mod repo;
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mod repo_settings;
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pub mod reports;
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mod resolve;
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pub mod runners;
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mod secrets;
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mod session;
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pub(crate) mod settings;
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mod signin;
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mod statics;
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pub mod test_reports;
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mod variables;
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mod webhooks;
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mod wiki;
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use crate::auth::{self, Access, Role, Viewer};
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use crate::repos::RepoError;
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use crate::{db, Shared};
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use askama::Template;
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use axum::extract::DefaultBodyLimit;
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use axum::http::{header, StatusCode};
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use axum::response::{Html, IntoResponse, Redirect, Response};
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use axum::routing::{any, get, post};
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use axum::Router;
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use tower_http::compression::CompressionLayer;
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use tower_http::trace::TraceLayer;
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pub fn router(app: Shared) -> Router {
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    let push_limit = app.config.limits.push_body_limit.0 as usize;
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    Router::new()
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        .route("/", get(home::index))
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        .route("/explore", get(home::explore))
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        .route("/avatar/agent/{name}", get(avatar::agent))
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        .route("/avatar/{name}", get(avatar::avatar))
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        .route("/health", get(home::health))
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        .route("/about", get(home::about))
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        .route("/.well-known/oxyhub-key", get(home::hub_key))
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        .route("/metrics", get(crate::metrics::metrics))
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        .route("/log", get(transparency::page))
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        .route("/log/checkpoint", get(crate::tlog::checkpoint))
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        .route("/log/witnesses", get(crate::tlog::witnesses))
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        .route("/log/tile/{*path}", get(crate::tlog::tile))
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        .route("/log/witness/add-checkpoint", axum::routing::post(crate::tlog::add_checkpoint))
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        .route("/.well-known/oxyhub-ca.pem", get(home::hub_ca))
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        .route("/.well-known/oxyhub-signing.pem", get(flow::signing_key))
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        .route("/.well-known/openid-configuration", get(crate::oidc::discovery))
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        .route("/.well-known/jwks.json", get(crate::oidc::jwks))
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        .route("/live", get(live_stream::stream))
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        .route("/.well-known/security.txt", get(security_txt::serve))
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        .route("/security.txt", get(security_txt::serve))
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        .route("/security-contact", get(security_txt::contact_page))
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        .route("/style.css", get(statics::style))
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        .route("/favicon.svg", get(statics::favicon))
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        .route("/favicon.ico", get(statics::favicon))
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        .route("/static/{*path}", get(statics::asset))
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        .route("/login", get(session::login_form).post(session::login))
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        .route("/device", get(device::form).post(device::answer))
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        .route(crate::headers::REPORT_PATH, post(crate::headers::csp_report).layer(DefaultBodyLimit::max(16 * 1024)))
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        .route("/logout", post(session::logout))
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        .route("/register", get(session::register_form).post(session::register))
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        .route("/settings", get(settings::profile).post(settings::update_profile))
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        .route("/settings/password", post(settings::change_password))
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        .route("/settings/appearance", post(settings::appearance))
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        .route("/settings/security", get(settings::security))
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        .route("/settings/security/totp/begin", post(settings::totp_begin))
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        .route("/settings/security/totp/enable", post(settings::totp_enable))
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        .route("/settings/security/totp/disable", post(settings::totp_disable))
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        .route("/settings/security/sessions", post(settings::sessions_reset))
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        .route("/settings/security/sessions/{id}/end", post(settings::session_end))
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        .route("/settings/keys", get(settings::keys))
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        .route("/settings/keys/upload", post(settings::keys_upload))
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        .route("/settings/keys/verify", post(settings::keys_verify))
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        .route("/settings/keys/unlink", post(settings::keys_unlink))
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        .route("/settings/tokens", get(settings::tokens).post(settings::tokens_create))
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        .route("/sky/arrivals", get(home::arrivals))
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        .route("/settings/backups", get(backups::user).post(backups::user_save))
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        .route("/settings/backups/run", post(backups::user_run))
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        .route("/settings/backups/test", post(backups::user_test))
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        .route("/orgs/{name}/settings/backups", get(backups::org).post(backups::org_save))
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        .route("/orgs/{name}/settings/backups/run", post(backups::org_run))
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        .route("/orgs/{name}/settings/backups/test", post(backups::org_test))
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        .route("/settings/tokens/{id}/delete", post(settings::tokens_delete))
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        .route("/settings/tokens/{id}/agent", post(settings::tokens_agent))
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        .route("/new", get(repo_settings::new_form).post(repo_settings::create))
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        .route("/orgs/new", get(orgs::new_form).post(orgs::create))
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        .route("/orgs/{name}/settings", get(orgs::settings).post(orgs::update))
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        .route("/orgs/{name}/settings/members", post(orgs::member))
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        .route("/orgs/{name}/settings/teams", post(orgs::team))
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        .route("/orgs/{name}/settings/hooks", post(orgs::hooks))
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        .route("/orgs/{name}/settings/assistants", post(orgs::assistants))
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        .route("/orgs/{name}/settings/assistants/models", post(orgs::assistant_models))
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        .route("/orgs/{name}/settings/variables", post(orgs::variables))
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        .route("/orgs/{name}/settings/secrets", post(orgs::secrets))
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        .route("/orgs/{name}/settings/storage", post(orgs::storage))
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        .route("/orgs/{name}/settings/runners/token", post(orgs::runner_token))
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        .route("/orgs/{name}/settings/runners/{id}/remove", post(orgs::runner_remove))
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        .route("/orgs/{name}/settings/hooks/{id}/deliveries", get(orgs::deliveries))
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        .route("/orgs/{name}/settings/hooks/{id}/redeliver/{delivery}", post(orgs::redeliver))
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        .route("/orgs/{name}/settings/avatar", post(orgs::avatar).layer(DefaultBodyLimit::max(avatar::MAX_BYTES + (64 << 10))))
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        .route("/settings/avatar", post(settings::avatar).layer(DefaultBodyLimit::max(avatar::MAX_BYTES + (64 << 10))))
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        .route("/notifications", get(inbox::inbox))
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        .route("/notifications/read", post(inbox::mark_read))
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        .route("/settings/notifications", get(inbox::unsubscribe).post(inbox::prefs))
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        .route("/search", get(inbox::search))
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        .route("/admin", get(admin::index))
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        .route("/admin/accounts", get(admin::section))
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        .route("/admin/organisations", get(admin::section))
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        .route("/admin/audit", get(admin::section))
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        .route("/admin/registration", get(admin::section).post(admin::set_mode))
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        .route("/admin/invite", post(admin::invite))
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        .route("/admin/account", post(admin::account))
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        .route("/admin/storage", get(admin::storage).post(admin::maintain))
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        .route("/admin/runners", get(runners::list))
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        .route("/admin/runners/settings", get(runners::settings).post(runners::save_settings))
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        .route("/admin/runners/priority", post(runners::save_priority))
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        .route("/admin/runners/images", get(runners::images))
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        .route("/admin/insights", get(insights::site))
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        .route("/insights/{owner}", get(insights::owner))
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        .route("/admin/diffusion", get(diffusion::admin))
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        .route("/admin/backups", get(backups::admin))
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        .route("/{owner}/{name}/diffusion", get(diffusion::page))
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        .route("/admin/runners/token", post(runners::new_token))
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        .route("/admin/runners/{id}", get(runners::show))
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        .route("/admin/runners/{id}/state", post(runners::set_state))
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        .route("/admin/runners/{id}/scope", post(runners::set_scope))
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        .route("/admin/runners/{id}/limits", post(runners::set_limits))
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        .route("/admin/mail", get(admin::section).post(admin::set_mail))
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        .route("/admin/mail/test", post(admin::test_mail))
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        .route("/admin/assistants", get(admin::section).post(admin::assistants))
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        .route("/admin/assistants/models", post(admin::assistant_models))
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        .route("/admin/signin", get(admin::section).post(admin::signin))
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        .route("/admin/security", get(admin::section).post(security_txt::save))
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        .route("/login/{provider}", get(signin::start))
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        .route("/login/{provider}/callback", get(signin::callback))
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        .route("/settings/security/connect/{provider}", get(signin::connect))
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        .route("/settings/security/disconnect/{provider}", post(signin::disconnect))
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        .route("/admin/variables", get(admin::section).post(admin::variables))
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        .route("/admin/secrets", get(admin::section).post(admin::secrets))
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        .route("/admin/runners/{id}/remove", post(runners::remove))
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        .nest("/api/v1", crate::api::router(app.config.limits.asset_limit.0 as usize))
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        // Drops (#279): `drops` is reserved, as an owner and as a repository name.
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        .route("/drops", get(drops::mine))
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        .route("/drops/new", get(drops::new_form).post(drops::create))
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        .route("/{owner}/drops", get(drops::list))
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        .route("/{owner}/drops/{id}", get(drops::show))
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        .route("/{owner}/drops/{id}/tree/{r}", get(drops::show_at))
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        .route("/{owner}/drops/{id}/edit", get(drops::edit_form).post(drops::save))
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        .route("/{owner}/drops/{id}/delete", post(drops::delete))
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        .route("/{owner}/drops/{id}/fork", post(drops::fork))
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        .route("/{owner}/drops/{id}/star", post(drops::star))
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        .route("/{owner}/drops/{id}/embed", get(drops::embed))
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        .route("/{owner}/drops/{id}/comment", post(drops::comment))
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        .route("/{owner}/drops/{id}/comment/{n}/delete", post(drops::delete_comment))
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        .route("/{owner}/drops/{id}/changes/{r}", get(drops::changes))
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        .route("/{owner}/drops/{id}/change/{hash}", get(drops::change))
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        .route("/{owner}/drops/{id}/raw/{r}/{*path}", get(drops::raw))
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        .route("/{owner}/drops/{id}/file/{r}/{*path}", get(drops::file))
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        .route("/{owner}/drops/{id}/oxy/v1/{endpoint}", any(crate::protocol::dispatch_drop).layer(DefaultBodyLimit::max(push_limit)))
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        .route("/{owner}", get(home::owner))
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        .route("/{owner}/{name}", get(repo::overview))
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        .route("/{owner}/{name}/tree/{r}", get(repo::tree_root))
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        .route("/{owner}/{name}/tree/{r}/{*path}", get(repo::tree))
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        .route("/{owner}/{name}/file/{r}/{*path}", get(repo::file))
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        .route("/{owner}/{name}/function/{r}/{*path}", get(history::function))
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        .route("/{owner}/{name}/lanes/{r}", get(history::lanes))
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        .route("/{owner}/{name}/lanes/{r}/plan", post(history::plan))
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        .route("/{owner}/{name}/raw/{r}/{*path}", get(repo::raw_file))
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        .route("/{owner}/{name}/last/{r}", get(repo::last_changes))
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        .route("/{owner}/{name}/changes/{r}", get(history::history))
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        .route("/{owner}/{name}/change/{hash}", get(history::change))
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        .route("/apt", get(crate::apt::home))
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        .route("/apt/{file}", get(crate::apt::key))
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        .route("/apt/dists/{suite}/{*rest}", get(crate::apt::dists))
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        .route("/apt/pool/{*path}", get(crate::apt::pool))
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        .route("/help", get(help::help))
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        .route("/projects/{owner}", get(projects::list).post(projects::create))
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        .route("/projects/{owner}/{number}", get(projects::show).post(projects::act))
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        .route("/notifications/thread", post(inbox::thread))
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        .route("/notifications/open/{id}", get(inbox::open))
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        .route("/login/reset", get(recovery::request_form).post(recovery::request))
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        .route("/login/reset/{secret}", get(recovery::new_password_form).post(recovery::set_new_password))
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        .route("/verify/{secret}", get(recovery::verify))
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        .route("/settings/email/verify", post(settings::resend_verification))
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        .route("/{owner}/{name}/compare", get(history::compare_index))
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        .route("/{owner}/{name}/compare/{spec}", get(history::compare))
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        .route("/{owner}/{name}/bookmarks", get(refs::bookmarks))
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        .route("/{owner}/{name}/bookmarks/delete", post(refs::delete_bookmark))
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        .route("/{owner}/{name}/tags", get(refs::tags))
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        .route("/{owner}/{name}/artifacts", get(artifacts::artifacts))
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        .route("/{owner}/{name}/images", get(artifacts::images))
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        .route("/{owner}/{name}/terraform", get(artifacts::terraform))
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        .route("/{owner}/{name}/insights", get(insights::repo))
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        .route("/{owner}/{name}/terraform/{state}/download", get(artifacts::download))
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        .route("/{owner}/{name}/terraform/{state}/restore", post(artifacts::restore))
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        .route("/{owner}/{name}/conflicts", get(refs::conflicts))
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        .route("/{owner}/{name}/trust", get(refs::trust))
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        .route("/{owner}/{name}/pushes", get(refs::pushes))
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        .route("/{owner}/{name}/fork", get(forks::form).post(forks::create))
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        .route("/{owner}/{name}/forks", get(forks::list))
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        .route("/{owner}/{name}/settings", get(repo_settings::settings).post(repo_settings::update))
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        // One page per setting (#278); some share their form's path.
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        .route("/{owner}/{name}/settings/{page}", get(repo_settings::page))
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        .route("/{owner}/{name}/settings/collaborators", get(repo_settings::page).post(repo_settings::collaborator))
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        .route("/{owner}/{name}/settings/delete", post(repo_settings::delete))
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        .route("/{owner}/{name}/settings/transfer", post(repo_settings::transfer))
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        .route("/{owner}/{name}/settings/archive", post(repo_settings::archive))
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        .route("/{owner}/{name}/settings/wiki/delete", post(repo_settings::wiki_delete))
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        .route("/{owner}/{name}/wiki", get(wiki::home))
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        .route("/{owner}/{name}/wiki/_pages", get(wiki::pages))
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        .route("/{owner}/{name}/wiki/_new", get(wiki::new_form))
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        .route("/{owner}/{name}/wiki/_raw/{*path}", get(wiki::raw))
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        .route("/{owner}/{name}/wiki/{slug}", get(wiki::show))
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        .route("/{owner}/{name}/wiki/{slug}/edit", get(wiki::edit_form).post(wiki::save))
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        .route("/{owner}/{name}/wiki/{slug}/history", get(wiki::history))
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        .route("/{owner}/{name}/wiki/{slug}/delete", post(wiki::delete))
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        .route("/{owner}/{name}/settings/requirements", post(repo_settings::requirements))
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        .route("/{owner}/{name}/proposals", get(proposals::list))
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        .route("/{owner}/{name}/proposals/new", get(proposals::new_form).post(proposals::create))
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        .route("/{owner}/{name}/proposals/new/draft", post(proposals::new_draft))
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        .route("/{owner}/{name}/proposals/new/draft/stream", post(proposals::new_draft_stream))
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        .route("/{owner}/{name}/proposal/{number}", get(proposals::show))
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        .route("/{owner}/{name}/proposal/{number}/comment", post(proposals::comment))
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        .route("/{owner}/{name}/proposal/{number}/comment/{id}/resolve", post(proposals::resolve_comment))
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        .route("/{owner}/{name}/proposal/{number}/review", post(proposals::review))
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        .route("/{owner}/{name}/proposal/{number}/reviewers", post(proposals::reviewers))
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        .route("/{owner}/{name}/proposal/{number}/assistant", post(proposals::assistant))
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        .route("/{owner}/{name}/proposal/{number}/draft", post(proposals::draft))
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        .route("/{owner}/{name}/proposal/{number}/draft/stream", post(proposals::draft_stream))
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        .route("/{owner}/{name}/proposal/{number}/edit", post(proposals::edit))
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        .route("/{owner}/{name}/proposal/{number}/state", post(proposals::state))
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        .route("/{owner}/{name}/proposal/{number}/land", post(proposals::land))
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        .route("/{owner}/{name}/proposal/{number}/auto-land", post(proposals::auto_land))
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        .route("/{owner}/{name}/proposal/{number}/labels", post(proposals::set_labels))
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        .route("/{owner}/{name}/proposal/{number}/project", post(projects::place_proposal))
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        .route("/{owner}/{name}/issue/{number}/project", post(projects::place_issue))
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        .route("/{owner}/{name}/proposal/{number}/events", get(proposals::events))
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        .route("/{owner}/{name}/settings/hooks", post(repo_settings::hooks))
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        .route("/{owner}/{name}/settings/assistants", get(repo_settings::page).post(repo_settings::assistants))
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        .route("/{owner}/{name}/settings/assistants/models", post(repo_settings::assistant_models))
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        .route("/{owner}/{name}/settings/variables", get(repo_settings::page).post(repo_settings::variables))
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        .route("/{owner}/{name}/settings/secrets", get(repo_settings::page).post(repo_settings::secrets))
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        .route("/{owner}/{name}/settings/hooks/{id}/deliveries", get(repo_settings::deliveries))
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        .route("/{owner}/{name}/settings/hooks/{id}/redeliver/{delivery}", post(repo_settings::redeliver))
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        .route("/{owner}/{name}/settings/checks", get(repo_settings::page).post(repo_settings::required_checks))
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        .route("/{owner}/{name}/watch", post(issues::watch))
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        .route("/{owner}/{name}/star", post(issues::star))
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        .route("/{owner}/{name}/edit/{r}", post(edit::save))
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        .route("/{owner}/{name}/edit/{r}/{*path}", get(edit::edit_form))
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        .route("/{owner}/{name}/resolve/{bookmark}/{*path}", get(resolve::form).post(resolve::save))
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        .route("/{owner}/{name}/resolve-live/{bookmark}/{*path}", get(resolve::live_events).post(resolve::live_choose))
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        .route("/{owner}/{name}/newfile/{r}", get(edit::new_form))
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        .route("/{owner}/{name}/flow", get(flow::runs))
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        .route("/{owner}/{name}/flow/badge.svg", get(flow::badge))
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        .route("/{owner}/{name}/tests", get(test_reports::overview))
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        .route("/{owner}/{name}/tests/case", get(test_reports::case))
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        .route("/{owner}/{name}/reports", get(reports::overview))
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        .route("/{owner}/{name}/reports/files/{id}/{mac}/{*path}", get(reports::file))
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        .route("/{owner}/{name}/reports/{report}", get(reports::show))
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        .route("/{owner}/{name}/coverage", get(coverage::overview))
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        .route("/{owner}/{name}/coverage/badge.svg", get(coverage::badge))
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        .route("/{owner}/{name}/coverage/{id}/file/{*path}", get(coverage::file))
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        .route("/{owner}/{name}/deployments", get(flow::deployments))
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        .route("/{owner}/{name}/flow/{id}", get(flow::run))
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        .route("/{owner}/{name}/flow/{id}/live", get(flow::live))
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        .route("/{owner}/{name}/flow/start", post(flow::start))
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        .route("/{owner}/{name}/flow/{id}/rerun", post(flow::rerun))
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        .route("/{owner}/{name}/flow/{id}/jobs/{job}/rerun", post(flow::rerun_job))
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        .route("/{owner}/{name}/flow/{id}/jobs/{job}/decide", post(flow::decide))
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        .route("/{owner}/{name}/flow/{id}/cancel", post(flow::cancel))
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        .route("/{owner}/{name}/flow/{id}/expedite", post(flow::expedite))
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        .route("/{owner}/{name}/flow/stamp/{r}", get(flow::stamp))
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        .route("/{owner}/{name}/flow/at/{r}", get(flow::at))
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        .route("/{owner}/{name}/receipts/{attest}", get(flow::receipt_file))
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        .route("/{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}", get(flow::artifact_file))
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        .route("/{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}/attach", post(flow::attach))
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        .route("/{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}/provenance", get(flow::provenance))
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        .route("/{owner}/{name}/releases", get(releases::list))
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        .route("/{owner}/{name}/releases/new", get(releases::new_form).post(releases::create))
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        .route("/{owner}/{name}/releases/tag/{*tag}", get(releases::show))
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        .route("/{owner}/{name}/releases/trust/{*tag}", get(release_trust::page))
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        .route("/{owner}/{name}/releases/edit/{id}", post(releases::edit))
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        .route(
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            "/{owner}/{name}/releases/upload/{id}",
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            post(releases::upload).layer(DefaultBodyLimit::max(app.config.limits.asset_limit.0 as usize + (1 << 20))),
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        )
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        .route("/{owner}/{name}/asset/{id}/{file}", get(releases::download))
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        .route("/{owner}/{name}/archive", get(releases::source_archive))
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        .route("/{owner}/{name}/search", get(repo::code_search))
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        .route("/{owner}/{name}/info/{*rest}", any(git_info))
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        .route("/{owner}/{name}/HEAD", get(git_head))
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        .route("/{owner}/{name}/objects/{*rest}", get(git_objects))
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        .route("/{owner}/{name}/git-upload-pack", post(git_upload_pack))
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        .route("/{owner}/{name}/git-receive-pack", post(git_receive_pack))
343 
        .route("/{owner}/{name}/settings/mirror", post(repo_settings::mirror))
344 
        .route("/{owner}/{name}/settings/flow", get(repo_settings::page).post(repo_settings::flow))
345 
        .route("/{owner}/{name}/settings/flow-priority", post(repo_settings::flow_priority))
346 
        .route("/{owner}/{name}/settings/agent-gates", post(repo_settings::agent_gates))
347 
        .route("/{owner}/{name}/settings/push-protection", get(repo_settings::page).post(repo_settings::push_protection))
348 
        .route("/{owner}/{name}/settings/secret-bypass", post(repo_settings::secret_bypass))
349 
        .route("/{owner}/{name}/settings/secret-bypass/remove", post(repo_settings::secret_bypass_remove))
350 
        .route("/{owner}/{name}/settings/secret-resolve", post(repo_settings::secret_resolve))
351 
        .route("/{owner}/{name}/settings/secret-scan", post(repo_settings::secret_scan))
352 
        .route("/{owner}/{name}/settings/flow-supersede", post(repo_settings::flow_supersede))
353 
        .route("/{owner}/{name}/settings/flow-skip", post(repo_settings::flow_skip))
354 
        .route("/{owner}/{name}/settings/flow-reuse", post(repo_settings::flow_reuse))
355 
        .route("/{owner}/{name}/settings/diffusion", get(repo_settings::page).post(repo_settings::diffusion))
356 
        .route("/{owner}/{name}/settings/backup", get(repo_settings::page).post(repo_settings::backup))
357 
        .route("/{owner}/{name}/settings/storage", get(repo_settings::page).post(repo_settings::storage))
358 
        .route("/{owner}/{name}/settings/coverage", get(repo_settings::page).post(repo_settings::coverage))
359 
        .route("/{owner}/{name}/settings/runners/token", post(repo_settings::runner_token))
360 
        .route("/{owner}/{name}/settings/runners/{id}/remove", post(repo_settings::runner_remove))
361 
        .route("/{owner}/{name}/issues", get(issues::list))
362 
        .route("/{owner}/{name}/issues/new", get(issues::new_form).post(issues::create))
363 
        .route("/{owner}/{name}/issue/{number}", get(issues::show))
364 
        .route("/{owner}/{name}/issue/{number}/comment", post(issues::comment))
365 
        .route("/{owner}/{name}/issue/{number}/comment/{id}/delete", post(issues::delete_comment))
366 
        .route("/{owner}/{name}/issue/{number}/edit", post(issues::edit))
367 
        .route("/{owner}/{name}/issue/{number}/state", post(issues::state))
368 
        .route("/{owner}/{name}/issue/{number}/labels", post(issues::set_labels))
369 
        .route("/{owner}/{name}/issue/{number}/assign", post(issues::assign))
370 
        .route("/{owner}/{name}/issue/{number}/milestone", post(issues::set_milestone))
371 
        .route("/{owner}/{name}/issue/{number}/subscribe", post(issues::subscribe))
372 
        .route("/{owner}/{name}/labels", get(issues::labels).post(issues::save_label))
373 
        .route("/{owner}/{name}/milestones", get(issues::milestones).post(issues::save_milestone))
374 
        .route("/{owner}/{name}/oxy/v1/{endpoint}", any(crate::protocol::dispatch).layer(DefaultBodyLimit::max(push_limit)))
375 
        .fallback(not_found)
376 
        .layer(axum::middleware::from_fn_with_state(app.clone(), rejections_as_pages))
377 
        .layer(axum::middleware::from_fn_with_state(app.clone(), same_origin))
378 
        .layer(CompressionLayer::new())
379 
        .layer(TraceLayer::new_for_http())
380 
        .with_state(app)
381 
}
382
383 
// Git's smart HTTP paths under `/{owner}/{name}.git/`, forwarded to the
384 
// mirror (hub spec §14).
385 
async fn git_info(
386 
    st: axum::extract::State<Shared>,
387 
    axum::extract::Path((o, n, rest)): axum::extract::Path<(String, String, String)>,
388 
    m: axum::http::Method,
389 
    q: axum::extract::RawQuery,
390 
    h: axum::http::HeaderMap,
391 
    b: axum::body::Bytes,
392 
) -> Response {
393 
    crate::mirror::serve(st, axum::extract::Path((o, n, format!("info/{rest}"))), m, q, h, b).await
394 
}
395
396 
async fn git_head(
397 
    st: axum::extract::State<Shared>,
398 
    axum::extract::Path((o, n)): axum::extract::Path<(String, String)>,
399 
    m: axum::http::Method,
400 
    q: axum::extract::RawQuery,
401 
    h: axum::http::HeaderMap,
402 
    b: axum::body::Bytes,
403 
) -> Response {
404 
    crate::mirror::serve(st, axum::extract::Path((o, n, "HEAD".into())), m, q, h, b).await
405 
}
406
407 
async fn git_objects(
408 
    st: axum::extract::State<Shared>,
409 
    axum::extract::Path((o, n, rest)): axum::extract::Path<(String, String, String)>,
410 
    m: axum::http::Method,
411 
    q: axum::extract::RawQuery,
412 
    h: axum::http::HeaderMap,
413 
    b: axum::body::Bytes,
414 
) -> Response {
415 
    crate::mirror::serve(st, axum::extract::Path((o, n, format!("objects/{rest}"))), m, q, h, b).await
416 
}
417
418 
async fn git_upload_pack(
419 
    st: axum::extract::State<Shared>,
420 
    axum::extract::Path((o, n)): axum::extract::Path<(String, String)>,
421 
    m: axum::http::Method,
422 
    q: axum::extract::RawQuery,
423 
    h: axum::http::HeaderMap,
424 
    b: axum::body::Bytes,
425 
) -> Response {
426 
    crate::mirror::serve(st, axum::extract::Path((o, n, "git-upload-pack".into())), m, q, h, b).await
427 
}
428
429 
async fn git_receive_pack(
430 
    st: axum::extract::State<Shared>,
431 
    axum::extract::Path((o, n)): axum::extract::Path<(String, String)>,
432 
    m: axum::http::Method,
433 
    q: axum::extract::RawQuery,
434 
    h: axum::http::HeaderMap,
435 
    b: axum::body::Bytes,
436 
) -> Response {
437 
    crate::mirror::serve(st, axum::extract::Path((o, n, "git-receive-pack".into())), m, q, h, b).await
438 
}
439
440 
/// Cross-site form posts are refused (hub spec §15.2): a browser that
441 
/// sends `Origin` or `Sec-Fetch-Site` must name this site. Protocol and
442 
/// API clients send neither.
443 
async fn same_origin(
444 
    axum::extract::State(app): axum::extract::State<Shared>,
445 
    req: axum::extract::Request,
446 
    next: axum::middleware::Next,
447 
) -> Response {
448 
    if req.method() != axum::http::Method::GET && req.method() != axum::http::Method::HEAD {
449 
        let headers = req.headers();
450 
        if headers.get("sec-fetch-site").and_then(|v| v.to_str().ok()) == Some("cross-site") {
451 
            return (StatusCode::FORBIDDEN, "cross-site request refused").into_response();
452 
        }
453 
        if let Some(origin) = headers.get(header::ORIGIN).and_then(|v| v.to_str().ok()) {
454 
            let host_of = |u: &str| u.split("://").nth(1).unwrap_or(u).split('/').next().unwrap_or("").to_ascii_lowercase();
455 
            let request_host = headers.get(header::HOST).and_then(|v| v.to_str().ok()).map(|h| h.to_ascii_lowercase());
456 
            let ok = host_of(origin) == host_of(app.config.base_url()) || request_host.as_deref() == Some(host_of(origin).as_str());
457 
            if !ok && origin != "null" {
458 
                return (StatusCode::FORBIDDEN, "cross-site request refused").into_response();
459 
            }
460 
        }
461 
    }
462 
    next.run(req).await
463 
}
464
465 
/// What every page's chrome needs.
466 
#[derive(Clone, Debug)]
467 
pub struct Shell {
468 
    pub site: String,
469 
    pub base_url: String,
470 
    pub path: String,
471 
    pub version: &'static str,
472 
    /// What was built: `oxy describe` at deploy, a Flow build's heads, or "local build".
473 
    pub build: &'static str,
474 
    /// The signed-in username, if any.
475 
    pub user: Option<String>,
476 
    pub is_admin: bool,
477 
    pub csrf: String,
478 
    pub unread: i64,
479 
    /// The signed-in viewer's live topic, `user:<id>` (docs/live.md L4),
480 
    /// or empty.
481 
    pub live_user: String,
482 
}
483
484 
impl Shell {
485 
    /// The version in the stylesheet and script URLs (`statics::assets_version`).
486 
    pub fn assets(&self) -> &'static str {
487 
        statics::assets_version()
488 
    }
489
490 
    pub fn new(app: &Shared, path: &str, viewer: &Viewer) -> Shell {
491 
        Shell {
492 
            site: app.config.site.name.clone(),
493 
            base_url: app.config.base_url().to_string(),
494 
            path: path.to_string(),
495 
            version: env!("CARGO_PKG_VERSION"),
496 
            build: env!("OXY_BUILD_ID"),
497 
            user: viewer.account().map(|a| a.username.clone()),
498 
            is_admin: viewer.is_admin(),
499 
            csrf: viewer.csrf().to_string(),
500 
            unread: viewer.0.as_ref().map(|v| v.unread).unwrap_or(0),
501 
            live_user: viewer.account().map(|a| format!("user:{}", a.id)).unwrap_or_default(),
502 
        }
503 
    }
504
505 
    pub fn anonymous(app: &Shared, path: &str) -> Shell {
506 
        Shell::new(app, path, &Viewer(None))
507 
    }
508 
}
509
510 
/// The repository chrome: tabs and counts.
511 
#[derive(Clone, Debug)]
512 
pub struct RepoShell {
513 
    /// The repository's row id: its live topics name it (docs/live.md).
514 
    pub id: i64,
515 
    pub owner: String,
516 
    pub name: String,
517 
    pub url: String,
518 
    pub description: String,
519 
    pub default_bookmark: String,
520 
    pub visibility: String,
521 
    pub tab: &'static str,
522 
    pub clone_url: String,
523 
    /// The Git mirror's address, when the mirror is on (oxygenhub#215).
524 
    pub git_url: Option<String>,
525 
    /// The viewer's role, for showing settings and write actions.
526 
    pub role: Option<Role>,
527 
    /// Open issues and proposals, shown on their tabs.
528 
    pub open_issues: i64,
529 
    pub open_proposals: i64,
530 
    /// Read-only (#108).
531 
    pub archived: bool,
532 
    /// Whether the repository has a wiki (§6.11).
533 
    pub wiki: bool,
534 
    /// The bucket its data lives in, when not this hub's disk (#96), as
535 
    /// the header's provider icon shows it (#123).
536 
    pub stored_in: Option<crate::storage::StoreBadge>,
537 
    /// Whether it has coverage reports, for the Coverage tab (#113).
538 
    pub coverage: bool,
539 
    /// Whether it has test reports, for the Tests tab (#114).
540 
    pub tests: bool,
541 
    /// Whether it has reports of its own (#127); with coverage or tests,
542 
    /// the Reports tab.
543 
    pub reports: bool,
544 
    /// Whether it pins, or is pinned by, another repository here: the
545 
    /// Diffusion tab (#150).
546 
    pub diffusion: bool,
547 
    /// The backdrop's data, a sky of this repository alone; empty for none
548 
    /// (docs/backgrounds.md, oxygenhub#196).
549 
    pub backdrop: String,
550 
    /// A drop (#279): its pages show the drop's own bar, not the
551 
    /// repository's tabs. Its title, for that bar.
552 
    pub is_drop: bool,
553 
    pub drop_title: String,
554 
}
555
556 
impl RepoShell {
557 
    pub fn new(app: &Shared, row: &db::repos::RepoRow, tab: &'static str) -> RepoShell {
558 
        RepoShell {
559 
            id: row.id,
560 
            owner: row.owner.clone(),
561 
            name: row.name.clone(),
562 
            url: format!("/{}/{}", row.owner, row.name),
563 
            description: row.description.clone(),
564 
            default_bookmark: row.default_bookmark.clone(),
565 
            visibility: row.visibility.clone(),
566 
            tab,
567 
            clone_url: format!("{}/{}/{}", app.config.base_url(), row.owner, row.name),
568 
            git_url: row.git_mirror.then(|| format!("{}/{}/{}.git", app.config.base_url(), row.owner, row.name)),
569 
            role: None,
570 
            open_issues: row.open_issues,
571 
            open_proposals: row.open_proposals,
572 
            archived: row.archived,
573 
            wiki: crate::repos::RepoName::new(&row.owner, &row.name).is_some_and(|n| app.wikis.exists(&n)),
574 
            stored_in: crate::storage::location(app, &row.owner, &row.name).and_then(|u| crate::storage::StoreBadge::of(&u)),
575 
            coverage: crate::coverage::has_reports(app, row.id),
576 
            tests: crate::junit::has_reports(app, row.id),
577 
            reports: crate::reports::has_reports(app, row.id),
578 
            diffusion: crate::diffusion::involved(app, row.id),
579 
            backdrop: String::new(),
580 
            is_drop: row.is_drop(),
581 
            drop_title: row.title.clone(),
582 
        }
583 
    }
584
585 
    /// Give the page a backdrop: this repository's sky, its activity of the
586 
    /// last 30 days from the database (#196).
587 
    pub async fn with_sky(mut self, app: &Shared, row: &db::repos::RepoRow) -> RepoShell {
588 
        self.backdrop = home::repo_sky(app, row).await;
589 
        self
590 
    }
591
592 
    /// The repository's live topic (docs/live.md).
593 
    pub fn live_topic(&self) -> String {
594 
        crate::events::topic::repo(self.id)
595 
    }
596
597 
    /// Its Diffusion topic: bumps and pills.
598 
    pub fn diffusion_topic(&self) -> String {
599 
        crate::events::topic::diffusion(self.id)
600 
    }
601
602 
    pub fn with_role(mut self, role: Role) -> RepoShell {
603 
        self.role = Some(role);
604 
        self
605 
    }
606
607 
    pub fn can(&self, access: Access) -> bool {
608 
        auth::roles::allows(self.role, access)
609 
    }
610
611 
    pub fn can_maintain(&self) -> bool {
612 
        self.can(Access::Maintain)
613 
    }
614 
}
615
616 
/// Render a template as an HTML response.
617 
/// One page of a long list: which page, how many, and links that keep
618 
/// the rest of the query.
619 
#[derive(Clone, Debug)]
620 
pub struct Pager {
621 
    pub page: usize,
622 
    pub pages: usize,
623 
    pub total: usize,
624 
    /// The query without `page`, each pair encoded, joined with `&`.
625 
    query: String,
626 
}
627
628 
impl Pager {
629 
    pub const PER_PAGE: usize = 25;
630
631 
    /// `page` counts from 1; out-of-range pages clamp to the last.
632 
    pub fn new(total: usize, page: Option<usize>, query: &[(&str, &str)]) -> Pager {
633 
        let pages = total.div_ceil(Self::PER_PAGE).max(1);
634 
        let page = page.unwrap_or(1).clamp(1, pages);
635 
        let query = query
636 
            .iter()
637 
            .filter(|(_, v)| !v.is_empty())
638 
            .map(|(k, v)| format!("{k}={}", settings::urlencode(v).replace('/', "%2F")))
639 
            .collect::<Vec<_>>()
640 
            .join("&");
641 
        Pager { page, pages, total, query }
642 
    }
643
644 
    /// This page's items.
645 
    pub fn slice<T>(&self, all: Vec<T>) -> Vec<T> {
646 
        all.into_iter().skip((self.page - 1) * Self::PER_PAGE).take(Self::PER_PAGE).collect()
647 
    }
648
649 
    pub fn url(&self, page: usize) -> String {
650 
        if self.query.is_empty() {
651 
            format!("?page={page}")
652 
        } else {
653 
            format!("?{}&page={page}", self.query)
654 
        }
655 
    }
656
657 
    /// The same query with another sort, back on page one.
658 
    pub fn sorted(&self, sort: &str) -> String {
659 
        let rest: Vec<&str> = self.query.split('&').filter(|p| !p.is_empty() && !p.starts_with("sort=")).collect();
660 
        let mut q = rest.join("&");
661 
        if !q.is_empty() {
662 
            q.push('&');
663 
        }
664 
        format!("?{q}sort={sort}")
665 
    }
666 
}
667
668 
pub struct Page<T: Template>(pub T);
669
670 
impl<T: Template> IntoResponse for Page<T> {
671 
    fn into_response(self) -> Response {
672 
        match self.0.render() {
673 
            Ok(s) => Html(s).into_response(),
674 
            Err(e) => {
675 
                tracing::error!("template: {e}");
676 
                (StatusCode::INTERNAL_SERVER_ERROR, "template error").into_response()
677 
            }
678 
        }
679 
    }
680 
}
681
682 
#[derive(Template)]
683 
#[template(path = "error.html")]
684 
struct ErrorPage {
685 
    shell: Shell,
686 
    status: u16,
687 
    title: String,
688 
    detail: String,
689 
}
690
691 
/// A page-level failure, rendered inside the shell, or a redirect.
692 
#[derive(Debug)]
693 
pub struct Error {
694 
    pub status: StatusCode,
695 
    pub detail: String,
696 
    shell: Option<Box<Shell>>,
697 
    redirect: Option<String>,
698 
}
699
700 
impl Error {
701 
    pub fn redirect(to: String) -> Error {
702 
        Error { status: StatusCode::SEE_OTHER, detail: String::new(), shell: None, redirect: Some(to) }
703 
    }
704
705 
    pub fn not_found(shell: Shell) -> Error {
706 
        Error {
707 
            status: StatusCode::NOT_FOUND,
708 
            detail: "There is nothing at this address.".into(),
709 
            shell: Some(Box::new(shell)),
710 
            redirect: None,
711 
        }
712 
    }
713
714 
    pub fn bad(shell: Shell, detail: impl Into<String>) -> Error {
715 
        Error { status: StatusCode::BAD_REQUEST, detail: detail.into(), shell: Some(Box::new(shell)), redirect: None }
716 
    }
717
718 
    pub fn from_repo(shell: Shell, e: RepoError) -> Error {
719 
        match e {
720 
            RepoError::NotFound => Error::not_found(shell),
721 
            RepoError::Oxy(oxy_core::repo::RepoError::Msg(m)) => {
722 
                Error { status: StatusCode::NOT_FOUND, detail: m, shell: Some(Box::new(shell)), redirect: None }
723 
            }
724 
            other => {
725 
                Error { status: StatusCode::INTERNAL_SERVER_ERROR, detail: other.to_string(), shell: Some(Box::new(shell)), redirect: None }
726 
            }
727 
        }
728 
    }
729
730 
    pub fn from_db(shell: Shell, e: sqlx::Error) -> Error {
731 
        Error { status: StatusCode::INTERNAL_SERVER_ERROR, detail: e.to_string(), shell: Some(Box::new(shell)), redirect: None }
732 
    }
733 
}
734
735 
impl IntoResponse for Error {
736 
    fn into_response(self) -> Response {
737 
        if let Some(to) = self.redirect {
738 
            return Redirect::to(&to).into_response();
739 
        }
740 
        let title = match self.status {
741 
            StatusCode::NOT_FOUND => "Not found",
742 
            StatusCode::BAD_REQUEST => "Bad request",
743 
            _ => "Something went wrong",
744 
        };
745 
        if self.status.is_server_error() {
746 
            tracing::error!("{}", self.detail);
747 
        }
748 
        let shell = self.shell.map(|b| *b).unwrap_or(Shell {
749 
            site: "OxygenHub".into(),
750 
            base_url: String::new(),
751 
            path: String::new(),
752 
            version: "",
753 
            build: "",
754 
            user: None,
755 
            is_admin: false,
756 
            csrf: String::new(),
757 
            unread: 0,
758 
            live_user: String::new(),
759 
        });
760 
        let page = ErrorPage { shell, status: self.status.as_u16(), title: title.into(), detail: self.detail };
761 
        match page.render() {
762 
            Ok(s) => (self.status, Html(s)).into_response(),
763 
            Err(_) => (self.status, title).into_response(),
764 
        }
765 
    }
766 
}
767
768 
/// A page address the router matched but could not read (a number that is
769 
/// not one, a malformed query): axum answers that in plain text before any
770 
/// handler runs. For pages, that is the site's not-found page instead
771 
/// (#294); the oxy protocol and anything not asked for with GET or HEAD keep
772 
/// the plain answer.
773 
async fn rejections_as_pages(
774 
    axum::extract::State(app): axum::extract::State<Shared>,
775 
    req: axum::extract::Request,
776 
    next: axum::middleware::Next,
777 
) -> Response {
778 
    let page = matches!(*req.method(), axum::http::Method::GET | axum::http::Method::HEAD) && !req.uri().path().contains("/oxy/v1/");
779 
    if !page {
780 
        return next.run(req).await;
781 
    }
782 
    let (uri, headers) = (req.uri().clone(), req.headers().clone());
783 
    let res = next.run(req).await;
784 
    let plain = res.headers().get(header::CONTENT_TYPE).and_then(|v| v.to_str().ok()).is_some_and(|t| t.starts_with("text/plain"));
785 
    if !(plain && matches!(res.status(), StatusCode::BAD_REQUEST | StatusCode::UNPROCESSABLE_ENTITY)) {
786 
        return res;
787 
    }
788 
    // Only axum's own rejections: a handler's plain 400 (the live stream's
789 
    // "unknown topic") is the handler's answer and stays.
790 
    let (head, body) = res.into_parts();
791 
    let Ok(bytes) = axum::body::to_bytes(body, 4096).await else { return StatusCode::BAD_REQUEST.into_response() };
792 
    let rejected = [&b"Invalid URL"[..], b"Failed to deserialize query string", b"Failed to deserialize the query string"]
793 
        .iter()
794 
        .any(|p| bytes.starts_with(p));
795 
    if !rejected {
796 
        return Response::from_parts(head, axum::body::Body::from(bytes));
797 
    }
798 
    let mut probe = axum::http::Request::builder().uri(uri.clone()).body(()).expect("a request");
799 
    *probe.headers_mut() = headers;
800 
    let (mut parts, ()) = probe.into_parts();
801 
    let viewer = match <Viewer as axum::extract::FromRequestParts<Shared>>::from_request_parts(&mut parts, &app).await {
802 
        Ok(v) => v,
803 
        Err(never) => match never {},
804 
    };
805 
    Error::not_found(Shell::new(&app, uri.path(), &viewer)).into_response()
806 
}
807
808 
async fn not_found(axum::extract::State(app): axum::extract::State<Shared>, viewer: Viewer, uri: axum::http::Uri) -> Response {
809 
    Error::not_found(Shell::new(&app, uri.path(), &viewer)).into_response()
810 
}
811
812 
/// A raw file response with a safe content type (hub spec §15.2).
813 
pub fn raw(bytes: Vec<u8>, name: &str, inline_image: bool) -> Response {
814 
    let mime = mime_of(name);
815 
    let disposition = if inline_image && mime.starts_with("image/") { "inline" } else { "attachment" };
816 
    (
817 
        [
818 
            (header::CONTENT_TYPE, mime.to_string()),
819 
            (header::CONTENT_DISPOSITION, format!("{disposition}; filename=\"{}\"", name.replace('"', ""))),
820 
            (header::X_CONTENT_TYPE_OPTIONS, "nosniff".to_string()),
821 
        ],
822 
        bytes,
823 
    )
824 
        .into_response()
825 
}
826
827 
pub fn mime_of(name: &str) -> &'static str {
828 
    match name.rsplit('.').next().map(|e| e.to_ascii_lowercase()).as_deref() {
829 
        Some("png") => "image/png",
830 
        Some("jpg" | "jpeg") => "image/jpeg",
831 
        Some("gif") => "image/gif",
832 
        Some("webp") => "image/webp",
833 
        Some("svg") => "image/svg+xml",
834 
        Some("pdf") => "application/pdf",
835 
        Some(
836 
            "txt" | "md" | "rs" | "toml" | "json" | "yml" | "yaml" | "c" | "h" | "cpp" | "hpp" | "py" | "js" | "ts" | "html" | "css" | "sh",
837 
        ) => "text/plain; charset=utf-8",
838 
        _ => "application/octet-stream",
839 
    }
840 
}
841
842 
/// Resolve `{owner}/{name}` for the viewer with at least `access`, or 404:
843 
/// a repository the viewer may not see does not exist for them (hub spec
844 
/// §4.4). Returns the viewer's role too.
845 
pub async fn lookup_role(
846 
    app: &Shared,
847 
    shell: &Shell,
848 
    viewer: &Viewer,
849 
    owner: &str,
850 
    name: &str,
851 
    access: Access,
852 
) -> Result<(crate::repos::RepoName, db::repos::RepoRow, Role), Error> {
853 
    let repo = crate::repos::RepoName::new(owner, name).ok_or_else(|| Error::not_found(shell.clone()))?;
854 
    let row = match db::repos::get(&app.db, owner, name).await.map_err(|e| Error::from_db(shell.clone(), e))? {
855 
        Some(row) => row,
856 
        None => {
857 
            // A transferred repository: the old URL goes to the new one (#108),
858 
            // the rest of the path kept, when the viewer may see it.
859 
            let moved = db::repos::moved_to(&app.db, owner, name).await.map_err(|e| Error::from_db(shell.clone(), e))?;
860 
            let Some(moved) = moved else { return Err(Error::not_found(shell.clone())) };
861 
            let role = auth::roles::role_for(&app.db, viewer.account(), &moved).await.map_err(|e| Error::from_db(shell.clone(), e))?;
862 
            if !auth::roles::allows(role, Access::Read) {
863 
                return Err(Error::not_found(shell.clone()));
864 
            }
865 
            let old = format!("/{owner}/{name}");
866 
            let rest = shell.path.strip_prefix(&old).unwrap_or("");
867 
            return Err(Error::redirect(format!("/{}/{}{rest}", moved.owner, moved.name)));
868 
        }
869 
    };
870 
    let role = auth::roles::role_for(&app.db, viewer.account(), &row).await.map_err(|e| Error::from_db(shell.clone(), e))?;
871 
    if !auth::roles::allows(role, access) {
872 
        return Err(Error::not_found(shell.clone()));
873 
    }
874 
    // A drop's repository pages are read-only (its history, changes and
875 
    // raw files, #279): it is changed from the drop's own page.
876 
    if row.is_drop() && access != Access::Read {
877 
        return Err(Error::not_found(shell.clone()));
878 
    }
879 
    if row.archived && matches!(access, Access::Write | Access::Maintain) {
880 
        return Err(archived(shell));
881 
    }
882 
    Ok((repo, row, role.unwrap_or(Role::Read)))
883 
}
884
885 
/// The error for a write to an archived repository (#108).
886 
pub fn archived(shell: &Shell) -> Error {
887 
    Error::bad(shell.clone(), "This repository is archived and read-only. Its admins can bring it back under Settings › Advanced.")
888 
}
889
890 
/// Refuse a change to an archived repository, for handlers that open it
891 
/// for reading and then write.
892 
pub fn writable(row: &db::repos::RepoRow, shell: &Shell) -> Result<(), Error> {
893 
    if row.archived {
894 
        Err(archived(shell))
895 
    } else {
896 
        Ok(())
897 
    }
898 
}
899
900 
/// `lookup_role` for reading.
901 
pub async fn lookup(
902 
    app: &Shared,
903 
    shell: &Shell,
904 
    viewer: &Viewer,
905 
    owner: &str,
906 
    name: &str,
907 
) -> Result<(crate::repos::RepoName, db::repos::RepoRow, Role), Error> {
908 
    lookup_role(app, shell, viewer, owner, name, Access::Read).await
909 
}
910
911 
/// Fill `account` on change authors whose key is linked to an account.
912 
pub async fn attribute(app: &Shared, changes: &mut [&mut crate::repos::view::ChangeView]) {
913 
    if changes.is_empty() {
914 
        return;
915 
    }
916 
    let Ok(links) = db::accounts::identity_accounts(&app.db).await else { return };
917 
    let map: std::collections::HashMap<String, String> = links.into_iter().collect();
918 
    for c in changes.iter_mut() {
919 
        if let Some(u) = map.get(&c.author.key) {
920 
            c.author.account = Some(u.clone());
921 
        }
922 
    }
923 
}
924
925 
/// The part of a rendered page between `<!--frag:NAME-->` and
926 
/// `<!--/frag:NAME-->` (live pages, docs/live.md): what a page fetches again
927 
/// when its topic changes. `None` when the page has no such part.
928 
pub fn fragment(html: &str, name: &str) -> Option<String> {
929 
    if !name.bytes().all(|b| b.is_ascii_lowercase() || b == b'-') || name.is_empty() {
930 
        return None;
931 
    }
932 
    let open = format!("<!--frag:{name}-->");
933 
    let close = format!("<!--/frag:{name}-->");
934 
    let start = html.find(&open)? + open.len();
935 
    let end = start + html[start..].find(&close)?;
936 
    Some(html[start..end].to_string())
937 
}
938
939 
#[cfg(test)]
940 
mod fragment_tests {
941 
    #[test]
942 
    fn a_fragment_is_cut_from_the_page_by_its_markers() {
943 
        let page = "<p>a</p><div data-fragment=\"x\"><!--frag:x--><b>inside</b><!--/frag:x--></div>";
944 
        assert_eq!(super::fragment(page, "x").as_deref(), Some("<b>inside</b>"));
945 
        assert_eq!(super::fragment(page, "y"), None);
946 
        assert_eq!(super::fragment(page, "x--><b"), None, "names are plain");
947 
    }
948 
}