OXYGENHUB
# 27322cd2755a oxygenhub / crates / hub / src / web / flow.rs
45.7 KiB · Rust · last changed Run a pipeline's WASM jobs in the browser tab (refs andymccall/oxygenflow#80); runner builds shared with the swarm (refs andymccall/oxygenflow#84); 0.9.15 7 days ago source blame history raw
42fa9554 Andy McCall ↶ 1 
//! The Flow tab (hub spec §13.2): runs of a repository, and a run's job
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//! graph with live status and logs.
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1edac4b6 Andy McCall ↶ 4 
use super::settings::{csrf, require};
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use super::{filters, lookup, lookup_role, Error, Page, RepoShell, Shell};
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use crate::auth::{Access, Role, Viewer};
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use crate::db::{self, flow as fdb};
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use crate::Shared;
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use askama::Template;
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use axum::extract::{Form, Path, Query, State};
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use axum::response::{IntoResponse, Redirect, Response};
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use axum::Json;
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use serde::Deserialize;
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pub struct RunRow {
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    pub r: fdb::Run,
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    pub duration: String,
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    pub jobs: Vec<(String, String)>,
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    /// "3rd in line" for a run still waiting for a runner.
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    pub place: Option<String>,
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}
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#[derive(Template)]
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#[template(path = "flow_runs.html")]
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pub struct RunsPage {
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    shell: Shell,
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    repo: RepoShell,
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    runs: Vec<RunRow>,
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    enabled: bool,
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    older: Option<i64>,
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    /// Writers may start runs: the bookmarks to offer, default first.
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    can_run: bool,
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    bookmarks: Vec<String>,
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    error: Option<String>,
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    /// Why this viewer is not offered "Run pipeline", when they are not.
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    why_not: Option<String>,
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}
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#[derive(Deserialize)]
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pub struct RunsQuery {
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    before: Option<i64>,
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    /// Why a "Run pipeline" or "Re-run" did not start.
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    error: Option<String>,
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}
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/// Why `viewer` may not start runs here, or `None` when they may.
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pub fn why_not_run(enabled: bool, signed_in: bool, role: Role) -> Option<String> {
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    if !enabled {
c7067c7b Andy McCall 49 
        Some("Flow is off for this repository; a site administrator can turn it on in Settings › Pipelines.".into())
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    } else if !signed_in {
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        Some("Sign in with write access to run the pipeline.".into())
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    } else if role < Role::Write {
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        Some("Running the pipeline needs write access to this repository.".into())
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    } else {
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        None
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    }
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}
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const PER_PAGE: i64 = 30;
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#[derive(Template)]
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#[template(path = "deployments.html")]
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pub struct DeploymentsPage {
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    shell: Shell,
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    repo: RepoShell,
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    /// Each environment's newest deployment, by name.
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    current: Vec<fdb::Deployment>,
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    /// Every recent deployment, newest first.
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    history: Vec<fdb::Deployment>,
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}
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/// `GET /{owner}/{name}/deployments`: what each environment runs
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/// (oxygenflow#59).
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pub async fn deployments(
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    State(app): State<Shared>,
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    viewer: Viewer,
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    Path((owner, name)): Path<(String, String)>,
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) -> Result<Page<DeploymentsPage>, Error> {
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    let shell = Shell::new(&app, &format!("/{owner}/{name}/deployments"), &viewer);
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    let (_repo, row, role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
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    let history = fdb::deployments(&app.db, row.id, 50).await.map_err(|e| Error::from_db(shell.clone(), e))?;
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    let mut current: Vec<fdb::Deployment> = Vec::new();
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    for d in &history {
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        if !current.iter().any(|c| c.environment == d.environment) {
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            current.push(d.clone());
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        }
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    }
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    current.sort_by(|a, b| a.environment.cmp(&b.environment));
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    Ok(Page(DeploymentsPage { shell, repo: RepoShell::new(&app, &row, "flow").with_role(role), current, history }))
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}
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pub async fn runs(
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    State(app): State<Shared>,
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    viewer: Viewer,
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    Path((owner, name)): Path<(String, String)>,
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    Query(q): Query<RunsQuery>,
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) -> Result<Page<RunsPage>, Error> {
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    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow"), &viewer);
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    let (_repo, row, role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
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    let list = fdb::runs(&app.db, row.id, PER_PAGE + 1, q.before).await.map_err(|e| Error::from_db(shell.clone(), e))?;
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    let older = (list.len() as i64 > PER_PAGE).then(|| list[PER_PAGE as usize - 1].id);
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    let queue = if list.iter().any(|r| r.live()) { fdb::queue(&app.db).await.unwrap_or_default() } else { vec![] };
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    let mut runs = Vec::new();
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    for r in list.into_iter().take(PER_PAGE as usize) {
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        let place = if r.live() { crate::flow::queue_info(&queue, row.id, r.id).place() } else { None };
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        let jobs = fdb::jobs(&app.db, r.id).await.unwrap_or_default();
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        let duration = match r.finished_ms {
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            Some(f) => crate::flow::human_ms(f - r.created_ms),
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            None if r.live() => crate::flow::human_ms(db::now_ms() - r.created_ms),
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            None => "–".into(),
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        };
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        runs.push(RunRow { jobs: jobs.into_iter().map(|j| (j.name, j.status)).collect(), duration, r, place });
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    }
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    let enabled = crate::flow::enabled(&app, &row);
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    let why_not = why_not_run(enabled, viewer.account().is_some(), role);
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    let can_run = why_not.is_none();
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    let bookmarks = if can_run { bookmark_names(&app, &row).await } else { vec![] };
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    Ok(Page(RunsPage {
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        shell,
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        repo: RepoShell::new(&app, &row, "flow").with_role(role),
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        runs,
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        enabled,
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        older,
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        can_run,
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        bookmarks,
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        error: q.error,
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        why_not,
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    }))
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}
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/// A WASM job as the tab runner runs it (oxygenflow#80).
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#[derive(serde::Serialize)]
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pub struct TabJob {
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    name: String,
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    exec: Vec<String>,
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    env: std::collections::BTreeMap<String, String>,
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    memory_mib: u32,
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}
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#[derive(Template)]
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#[template(path = "flow_tab.html")]
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pub struct TabPage {
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    shell: Shell,
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    repo: RepoShell,
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    bookmark: String,
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    bookmarks: Vec<String>,
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    /// The pipeline's WASM jobs, as JSON for the page's script.
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    jobs_json: String,
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    jobs: usize,
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    /// Why there is nothing to run: no pipeline, one that does not read,
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    /// or no WASM job in it.
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    problem: Option<String>,
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    archive: String,
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}
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#[derive(Deserialize)]
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pub struct TabQuery {
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    bookmark: Option<String>,
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}
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/// The WASM jobs of a pipeline (`runtime "wasm"`), each with the
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/// environment its sandbox and itself give it.
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pub fn wasm_jobs(p: &flow_core::Pipeline) -> Vec<TabJob> {
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    p.jobs
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        .values()
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        .filter_map(|j| {
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            let sb = p.sandboxes.get(&j.sandbox)?;
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            (sb.runtime == flow_core::Runtime::Wasm && !j.exec.is_empty()).then(|| {
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                let mut env = sb.env.clone();
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                env.extend(j.env.clone());
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                TabJob { name: j.name.clone(), exec: j.exec.clone(), env, memory_mib: sb.memory_mib }
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            })
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        })
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        .collect()
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}
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/// `GET /{owner}/{name}/flow/tab`: run the pipeline's WASM jobs in this
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/// browser tab (oxygenflow#80, first part): a worker unpacks the
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/// bookmark's files and runs each job's modules with a WASI shim, as a
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/// runner's WASM tier does. Nothing is claimed or reported: it shows the
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/// tier works in a tab, before the tab becomes a runner.
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pub async fn tab(
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    State(app): State<Shared>,
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    viewer: Viewer,
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    Path((owner, name)): Path<(String, String)>,
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    Query(q): Query<TabQuery>,
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) -> Result<Page<TabPage>, Error> {
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    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/tab"), &viewer);
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    let (repo, row, role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
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    let bookmarks = bookmark_names(&app, &row).await;
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    let bookmark = q.bookmark.filter(|b| bookmarks.contains(b)).unwrap_or_else(|| row.default_bookmark.clone());
192 
    let b = bookmark.clone();
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    let text = app
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        .repos
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        .read(&repo, move |r, cache| {
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            let Some(st) = r.view()?.bookmarks.get(&b).copied() else { return Ok(None) };
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            let heads = r.store().get_state(&st)?.heads;
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            let loaded = cache.load(r, &heads)?;
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            Ok(match loaded.snapshot.files.get(flow_core::PIPELINE_PATH).map(|f| &f.content) {
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                Some(oxy_core::state::FileContent::Text { bytes, .. }) => Some(String::from_utf8_lossy(bytes).into_owned()),
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                _ => None,
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            })
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        })
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        .await
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        .unwrap_or(None);
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    let (jobs, problem) = match text.map(|t| flow_core::Pipeline::parse(&t)) {
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        None => (vec![], Some(format!("{bookmark} has no {}.", flow_core::PIPELINE_PATH))),
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        Some(Err(e)) => (vec![], Some(format!("The pipeline on {bookmark} does not read: {e}"))),
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        Some(Ok(p)) => {
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            let jobs = wasm_jobs(&p);
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            let problem =
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                jobs.is_empty().then(|| format!("The pipeline on {bookmark} has no WASM jobs (a sandbox with runtime \"wasm\")."));
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            (jobs, problem)
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        }
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    };
216 
    Ok(Page(TabPage {
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        shell,
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        repo: RepoShell::new(&app, &row, "flow").with_role(role),
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        archive: format!("/{owner}/{name}/archive?ref={}&format=zip", urlencoding(&bookmark)),
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        bookmark,
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        bookmarks,
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        jobs: jobs.len(),
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        jobs_json: serde_json::to_string(&jobs).unwrap_or_else(|_| "[]".into()),
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        problem,
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    }))
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}
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/// The repository's bookmarks, its default first.
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async fn bookmark_names(app: &Shared, row: &db::repos::RepoRow) -> Vec<String> {
230 
    let Some(repo) = crate::repos::RepoName::new(&row.owner, &row.name) else { return vec![] };
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    let mut names: Vec<String> = app.repos.read(&repo, |r, _| Ok(r.view()?.bookmarks.keys().cloned().collect())).await.unwrap_or_default();
232 
    names.sort_by_key(|n| (n != &row.default_bookmark, n.clone()));
233 
    names
234 
}
235
236 
#[derive(Deserialize)]
237 
pub struct StartForm {
238 
    #[serde(rename = "_csrf")]
239 
    csrf_token: String,
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    #[serde(default)]
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    bookmark: String,
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    /// A change's full hash: run the state whose only head it is.
243 
    #[serde(default)]
244 
    change: String,
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}
246
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/// `POST /{owner}/{name}/flow/start`: "Run pipeline" on a bookmark's
248 
/// current state, or on one committed change.
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pub async fn start(
250 
    State(app): State<Shared>,
251 
    viewer: Viewer,
252 
    Path((owner, name)): Path<(String, String)>,
253 
    Form(f): Form<StartForm>,
254 
) -> Result<Response, Error> {
255 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow"), &viewer);
256 
    let me = require(&viewer, &shell)?;
257 
    let (_, row, _) = lookup_role(&app, &shell, &viewer, &owner, &name, Access::Write).await?;
258 
    csrf(&viewer, &f.csrf_token, &shell)?;
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    let (started, what) = if f.change.trim().is_empty() {
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        (crate::flow::run_bookmark(&app, &row, f.bookmark.trim(), &me.account.username, &[]).await, f.bookmark.trim().to_string())
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    } else {
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        (crate::flow::run_change(&app, &row, &f.change, &me.account.username, &[]).await, format!("change {}", f.change.trim()))
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    };
264 
    Ok(match started {
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        Ok(n) => {
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            db::accounts::audit(&app.db, Some(&me.account), "flow.run", &format!("{owner}/{name}"), &format!("#{n} {what}")).await.ok();
1edac4b6 Andy McCall ↶ 267 
            Redirect::to(&format!("/{owner}/{name}/flow/{n}")).into_response()
268 
        }
269 
        Err(msg) => Redirect::to(&format!("/{owner}/{name}/flow?error={}", urlencoding(&msg))).into_response(),
270 
    })
271 
}
272
273 
#[derive(Deserialize)]
274 
pub struct RerunForm {
275 
    #[serde(rename = "_csrf")]
276 
    csrf_token: String,
277 
}
278
279 
/// `POST /{owner}/{name}/flow/{number}/rerun`.
280 
pub async fn rerun(
281 
    State(app): State<Shared>,
282 
    viewer: Viewer,
283 
    Path((owner, name, number)): Path<(String, String, i64)>,
284 
    Form(f): Form<RerunForm>,
285 
) -> Result<Response, Error> {
286 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{number}"), &viewer);
287 
    let me = require(&viewer, &shell)?;
288 
    let (_, row, _) = lookup_role(&app, &shell, &viewer, &owner, &name, Access::Write).await?;
289 
    csrf(&viewer, &f.csrf_token, &shell)?;
290 
    let run = fdb::run(&app.db, row.id, number)
291 
        .await
292 
        .map_err(|e| Error::from_db(shell.clone(), e))?
293 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
294 
    Ok(match crate::flow::rerun(&app, &row, &run, &me.account.username).await {
295 
        Ok(n) => {
296 
            db::accounts::audit(&app.db, Some(&me.account), "flow.rerun", &format!("{owner}/{name}"), &format!("#{n} of #{number}"))
297 
                .await
298 
                .ok();
299 
            Redirect::to(&format!("/{owner}/{name}/flow/{n}")).into_response()
300 
        }
301 
        Err(msg) => Redirect::to(&format!("/{owner}/{name}/flow?error={}", urlencoding(&msg))).into_response(),
302 
    })
303 
}
304
e8fa5369 Andy McCall ↶ 305 
/// `POST /{owner}/{name}/flow/{number}/jobs/{job}/rerun` (oxygenflow#31).
306 
pub async fn rerun_job(
307 
    State(app): State<Shared>,
308 
    viewer: Viewer,
309 
    Path((owner, name, number, job)): Path<(String, String, i64, String)>,
310 
    Form(f): Form<RerunForm>,
311 
) -> Result<Response, Error> {
312 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{number}"), &viewer);
313 
    let me = require(&viewer, &shell)?;
314 
    let (_, row, _) = lookup_role(&app, &shell, &viewer, &owner, &name, Access::Write).await?;
315 
    csrf(&viewer, &f.csrf_token, &shell)?;
316 
    let run = fdb::run(&app.db, row.id, number)
317 
        .await
318 
        .map_err(|e| Error::from_db(shell.clone(), e))?
319 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
320 
    Ok(match crate::flow::rerun_job(&app, &row, &run, &job, &me.account.username).await {
321 
        Ok(_) => {
322 
            db::accounts::audit(&app.db, Some(&me.account), "flow.rerun", &format!("{owner}/{name}"), &format!("{job} of #{number}"))
323 
                .await
324 
                .ok();
325 
            Redirect::to(&format!("/{owner}/{name}/flow/{number}")).into_response()
326 
        }
327 
        Err(msg) => Redirect::to(&format!("/{owner}/{name}/flow?error={}", urlencoding(&msg))).into_response(),
328 
    })
329 
}
330
745d225d Andy McCall ↶ 331 
/// `POST /{owner}/{name}/flow/{number}/cancel` (oxygenflow#32).
332 
pub async fn cancel(
333 
    State(app): State<Shared>,
334 
    viewer: Viewer,
335 
    Path((owner, name, number)): Path<(String, String, i64)>,
336 
    Form(f): Form<RerunForm>,
337 
) -> Result<Response, Error> {
338 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{number}"), &viewer);
339 
    let me = require(&viewer, &shell)?;
340 
    let (_, row, _) = lookup_role(&app, &shell, &viewer, &owner, &name, Access::Write).await?;
341 
    csrf(&viewer, &f.csrf_token, &shell)?;
342 
    let run = fdb::run(&app.db, row.id, number)
343 
        .await
344 
        .map_err(|e| Error::from_db(shell.clone(), e))?
345 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
346 
    Ok(match crate::flow::cancel(&app, &row, &run, &me.account.username).await {
347 
        Ok(()) => {
348 
            db::accounts::audit(&app.db, Some(&me.account), "flow.cancel", &format!("{owner}/{name}"), &format!("#{number}")).await.ok();
349 
            Redirect::to(&format!("/{owner}/{name}/flow/{number}")).into_response()
350 
        }
351 
        Err(msg) => Redirect::to(&format!("/{owner}/{name}/flow?error={}", urlencoding(&msg))).into_response(),
352 
    })
353 
}
354
107eaba5 Andy McCall ↶ 355 
#[derive(Deserialize)]
356 
pub struct ExpediteForm {
357 
    #[serde(rename = "_csrf")]
358 
    csrf_token: String,
359 
    #[serde(default)]
360 
    reason: String,
361 
}
362
363 
/// `POST /{owner}/{repo}/flow/{n}/expedite` (oxygenhub#244): a maintainer
364 
/// raises a running or queued run to urgent, saying why (an incident's
365 
/// fix, say). Audited and shown on the run; it lapses when the run ends.
366 
pub async fn expedite(
367 
    State(app): State<Shared>,
368 
    viewer: Viewer,
369 
    Path((owner, name, number)): Path<(String, String, i64)>,
370 
    Form(f): Form<ExpediteForm>,
371 
) -> Result<Response, Error> {
372 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{number}"), &viewer);
373 
    let me = require(&viewer, &shell)?;
374 
    let (_, row, _) = lookup_role(&app, &shell, &viewer, &owner, &name, Access::Maintain).await?;
375 
    csrf(&viewer, &f.csrf_token, &shell)?;
376 
    let run = fdb::run(&app.db, row.id, number)
377 
        .await
378 
        .map_err(|e| Error::from_db(shell.clone(), e))?
379 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
b1860d60 Andy McCall ↶ 380 
    if let Err(msg) = crate::flow::expedite(&app, &row, &run, &me.account, &f.reason).await {
76f93eae Andy McCall ↶ 381 
        return Ok(Redirect::to(&format!("/{owner}/{name}/flow?error={}", urlencoding(&msg))).into_response());
107eaba5 Andy McCall ↶ 382 
    }
383 
    Ok(Redirect::to(&format!("/{owner}/{name}/flow/{number}")).into_response())
384 
}
385
1edac4b6 Andy McCall ↶ 386 
/// Percent-encode a message for a query string.
387 
fn urlencoding(s: &str) -> String {
388 
    s.bytes()
389 
        .map(|b| match b {
390 
            b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'-' | b'.' | b'_' | b'~' => (b as char).to_string(),
391 
            _ => format!("%{b:02X}"),
392 
        })
393 
        .collect()
42fa9554 Andy McCall ↶ 394 
}
395
396 
/// A job placed in the graph.
397 
pub struct Node {
398 
    pub j: fdb::Job,
399 
    pub x: i64,
400 
    pub y: i64,
401 
    pub duration: String,
402 
}
403
404 
pub struct Edge {
405 
    pub d: String,
406 
    pub status: String,
407 
}
408
409 
pub struct Graph {
410 
    pub nodes: Vec<Node>,
411 
    pub edges: Vec<Edge>,
412 
    pub width: i64,
413 
    pub height: i64,
414 
}
415
416 
pub const NODE_W: i64 = 200;
417 
pub const NODE_H: i64 = 48;
418 
const COL_GAP: i64 = 72;
419 
const ROW_GAP: i64 = 18;
420 
const PAD: i64 = 12;
421
422 
/// Columns by dependency depth, jobs in each column in name order.
423 
pub fn layout(jobs: Vec<fdb::Job>) -> Graph {
424 
    let mut by_depth: std::collections::BTreeMap<i64, Vec<fdb::Job>> = Default::default();
425 
    for j in jobs {
426 
        by_depth.entry(j.depth).or_default().push(j);
427 
    }
428 
    let rows = by_depth.values().map(Vec::len).max().unwrap_or(0) as i64;
429 
    let height = PAD * 2 + rows * NODE_H + (rows - 1).max(0) * ROW_GAP;
430 
    let mut nodes = Vec::new();
431 
    for (col, (_, mut js)) in by_depth.into_iter().enumerate() {
432 
        js.sort_by(|a, b| a.name.cmp(&b.name));
433 
        let n = js.len() as i64;
434 
        let column_h = n * NODE_H + (n - 1).max(0) * ROW_GAP;
435 
        let top = (height - column_h) / 2;
436 
        for (i, j) in js.into_iter().enumerate() {
437 
            let duration = crate::flow::duration(&j);
438 
            nodes.push(Node { x: PAD + col as i64 * (NODE_W + COL_GAP), y: top + i as i64 * (NODE_H + ROW_GAP), duration, j });
439 
        }
440 
    }
441 
    let mut edges = Vec::new();
442 
    for n in &nodes {
443 
        for d in n.j.depends_on() {
444 
            if let Some(from) = nodes.iter().find(|m| m.j.name == d) {
445 
                let (x1, y1) = (from.x + NODE_W, from.y + NODE_H / 2);
446 
                let (x2, y2) = (n.x, n.y + NODE_H / 2);
447 
                let mid = (x1 + x2) / 2;
448 
                edges.push(Edge { d: format!("M{x1},{y1} C{mid},{y1} {mid},{y2} {x2},{y2}"), status: from.j.status.clone() });
449 
            }
450 
        }
451 
    }
452 
    let cols = nodes.iter().map(|n| n.x).max().map(|x| x + NODE_W + PAD).unwrap_or(PAD * 2);
453 
    Graph { nodes, edges, width: cols, height: height.max(NODE_H + PAD * 2) }
454 
}
455
456 
pub fn glyph(status: &str) -> &'static str {
457 
    match status {
458 
        "passed" => "✓",
459 
        "failed" => "✕",
460 
        "running" => "●",
461 
        "skipped" => "⤼",
745d225d Andy McCall ↶ 462 
        "cancelled" => "⊘",
42fa9554 Andy McCall ↶ 463 
        "error" => "!",
464 
        _ => "○",
465 
    }
466 
}
467
0b203bbf Andy McCall ↶ 468 
/// Failed tests a run page lists per job; the rest are counted.
469 
const SHOWN_FAILURES: i64 = 50;
470
42fa9554 Andy McCall ↶ 471 
pub struct JobLog {
472 
    pub j: fdb::Job,
a3c8288b Andy McCall ↶ 473 
    pub artifacts: Vec<fdb::Artifact>,
42fa9554 Andy McCall ↶ 474 
    pub lines: Vec<fdb::LogLine>,
475 
    pub duration: String,
476 
    /// The last line shown; the live view asks for what follows.
477 
    pub last_seq: i64,
554ccacf Andy McCall ↶ 478 
    /// The job's coverage report, when it uploaded one (#113): its id and percentage.
479 
    pub coverage: Option<(i64, String)>,
0b203bbf Andy McCall ↶ 480 
    /// The job's test report, when it uploaded one (#114), and its first
481 
    /// failures.
482 
    pub tests: Option<crate::junit::Report>,
483 
    pub failures: Vec<crate::junit::Case>,
42fa9554 Andy McCall ↶ 484 
}
485
486 
#[derive(Template)]
487 
#[template(path = "flow_run.html")]
488 
pub struct RunPage {
489 
    shell: Shell,
490 
    repo: RepoShell,
491 
    run: fdb::Run,
492 
    graph: Graph,
493 
    logs: Vec<JobLog>,
494 
    duration: String,
1edac4b6 Andy McCall ↶ 495 
    /// Whether the viewer may re-run it.
496 
    can_rerun: bool,
745d225d Andy McCall ↶ 497 
    /// Whether the viewer may cancel it.
498 
    can_cancel: bool,
107eaba5 Andy McCall ↶ 499 
    /// May raise the run to urgent (oxygenhub#244): maintainers, while it runs.
500 
    can_expedite: bool,
bf3d0754 Andy McCall ↶ 501 
    /// Where a live run stands among the runners' work.
502 
    queue: Option<crate::flow::QueueInfo>,
10708ab8 Andy McCall ↶ 503 
    /// Releases a writer may attach this run's artifacts to.
504 
    releases: Vec<db::releases::Release>,
417184c7 Andy McCall ↶ 505 
    /// Jobs that wait, or waited, for a person (oxygenflow#57).
506 
    approvals: Vec<ApprovalView>,
42fa9554 Andy McCall ↶ 507 
}
508
417184c7 Andy McCall ↶ 509 
/// A job's approval as the run page shows it.
510 
pub struct ApprovalView {
511 
    pub job: String,
512 
    pub by: String,
513 
    pub others_only: bool,
514 
    /// `waiting`, `approved`, `rejected` or `expired`.
515 
    pub state: &'static str,
516 
    pub who: String,
517 
    pub when_ms: i64,
518 
    /// Whether the viewer may approve or reject it now, else why not.
519 
    pub may: Result<(), String>,
47e37402 Andy McCall ↶ 520 
    /// It takes an approval signed with the approver's key (#235): the
521 
    /// command that signs it, and the approval's hash once sealed.
522 
    pub sealed: bool,
523 
    pub command: String,
524 
    pub seal: String,
417184c7 Andy McCall ↶ 525 
}
526
527 
impl ApprovalView {
528 
    pub fn may_decide(&self) -> bool {
529 
        self.may.is_ok()
530 
    }
531
532 
    pub fn why_not(&self) -> String {
533 
        self.may.clone().err().unwrap_or_default()
534 
    }
535 
}
536
42fa9554 Andy McCall ↶ 537 
/// Lines of a job's log a page shows before "the rest is loaded as it comes".
538 
const PAGE_LINES: i64 = 5000;
539
540 
pub async fn run(
541 
    State(app): State<Shared>,
542 
    viewer: Viewer,
543 
    Path((owner, name, id)): Path<(String, String, i64)>,
544 
) -> Result<Page<RunPage>, Error> {
545 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{id}"), &viewer);
546 
    let (_repo, row, role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
547 
    let run = fdb::run(&app.db, row.id, id)
548 
        .await
549 
        .map_err(|e| Error::from_db(shell.clone(), e))?
550 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
551 
    let jobs = fdb::jobs(&app.db, run.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
554ccacf Andy McCall ↶ 552 
    let reports = crate::coverage::for_run(&app.db, run.id).await.unwrap_or_default();
0b203bbf Andy McCall ↶ 553 
    let test_reports = crate::junit::for_run(&app.db, run.id).await.unwrap_or_default();
42fa9554 Andy McCall ↶ 554 
    let mut logs = Vec::new();
555 
    for j in &jobs {
556 
        let lines = fdb::log(&app.db, j.id, 0, PAGE_LINES).await.unwrap_or_default();
557 
        let last_seq = lines.last().map(|l| l.seq).unwrap_or(0);
a3c8288b Andy McCall ↶ 558 
        let artifacts = fdb::artifacts(&app.db, j.id).await.unwrap_or_default();
554ccacf Andy McCall ↶ 559 
        let coverage = reports
560 
            .iter()
40dd3f86 Andy McCall ↶ 561 
            .find(|r| r.job_id == Some(j.id))
554ccacf Andy McCall ↶ 562 
            .map(|r| (r.id, r.percent().map(|p| format!("{p:.1}%")).unwrap_or_else(|| "no lines".into())));
0b203bbf Andy McCall ↶ 563 
        let tests = test_reports.iter().find(|r| r.job_id == j.id).cloned();
564 
        let failures = match &tests {
565 
            Some(r) if r.broken() > 0 => crate::junit::failures(&app.db, r.id, SHOWN_FAILURES).await.unwrap_or_default(),
566 
            _ => vec![],
567 
        };
568 
        logs.push(JobLog { duration: crate::flow::duration(j), j: j.clone(), artifacts, lines, last_seq, coverage, tests, failures });
42fa9554 Andy McCall ↶ 569 
    }
570 
    let duration = match run.finished_ms {
571 
        Some(f) => crate::flow::human_ms(f - run.created_ms),
572 
        None => crate::flow::human_ms(db::now_ms() - run.created_ms),
573 
    };
417184c7 Andy McCall ↶ 574 
    let mut approvals = Vec::new();
575 
    for j in jobs.iter().filter(|j| !j.approval.is_empty()) {
576 
        let Some(a) = serde_json::from_str::<flow_core::Job>(&j.spec).ok().and_then(|s| s.approval) else { continue };
577 
        let state = match (j.approval.as_str(), j.status.as_str()) {
578 
            ("waiting", "queued") => "waiting",
579 
            ("approved", _) => "approved",
580 
            (_, "cancelled") if !j.approved_by.is_empty() => "rejected",
581 
            (_, "cancelled") if j.error.starts_with("no approval within") => "expired",
582 
            _ => continue,
583 
        };
584 
        let may = match (state, viewer.account()) {
585 
            ("waiting", Some(me)) => crate::flow::may_decide(&app, &row, &run, j, me).await.map(|_| ()),
586 
            ("waiting", None) => Err("sign in to approve".into()),
587 
            _ => Err(String::new()),
588 
        };
589 
        approvals.push(ApprovalView {
47e37402 Andy McCall ↶ 590 
            sealed: a.sealed,
591 
            command: format!("oxy seal --flow {}/{owner}/{name}/flow/{} --job {}", app.config.base_url(), run.number, j.name),
592 
            seal: j.approval_seal.clone(),
417184c7 Andy McCall ↶ 593 
            job: j.name.clone(),
594 
            by: a.by,
595 
            others_only: a.others_only,
596 
            state,
05f1a85a Andy McCall ↶ 597 
            who: if j.approved_via.is_empty() { j.approved_by.clone() } else { format!("{} via {}", j.approved_by, j.approved_via) },
417184c7 Andy McCall ↶ 598 
            when_ms: j.approved_ms.unwrap_or(0),
599 
            may,
600 
        });
601 
    }
42fa9554 Andy McCall ↶ 602 
    let graph = layout(jobs);
745d225d Andy McCall ↶ 603 
    let can_write = viewer.account().is_some() && role >= Role::Write;
604 
    let can_rerun = !run.live() && can_write && crate::flow::enabled(&app, &row);
605 
    let can_cancel = run.live() && can_write;
107eaba5 Andy McCall ↶ 606 
    let can_expedite = run.live() && run.priority.is_empty() && viewer.account().is_some() && role >= Role::Maintain;
bf3d0754 Andy McCall ↶ 607 
    let queue = if run.live() {
608 
        let q = fdb::queue(&app.db).await.unwrap_or_default();
609 
        Some(crate::flow::queue_info(&q, row.id, run.id)).filter(|i| i.position.is_some())
610 
    } else {
611 
        None
10708ab8 Andy McCall ↶ 612 
    };
613 
    let releases = if viewer.account().is_some() && role >= Role::Write && logs.iter().any(|l| !l.artifacts.is_empty()) {
614 
        db::releases::list(&app.db, row.id).await.unwrap_or_default()
615 
    } else {
616 
        vec![]
bf3d0754 Andy McCall ↶ 617 
    };
10708ab8 Andy McCall ↶ 618 
    Ok(Page(RunPage {
619 
        shell,
620 
        repo: RepoShell::new(&app, &row, "flow").with_role(role),
621 
        run,
622 
        graph,
623 
        logs,
624 
        duration,
625 
        can_rerun,
745d225d Andy McCall ↶ 626 
        can_cancel,
107eaba5 Andy McCall ↶ 627 
        can_expedite,
10708ab8 Andy McCall ↶ 628 
        queue,
629 
        releases,
417184c7 Andy McCall ↶ 630 
        approvals,
10708ab8 Andy McCall ↶ 631 
    }))
417184c7 Andy McCall ↶ 632 
}
633
634 
#[derive(Deserialize)]
635 
pub struct DecideForm {
636 
    #[serde(rename = "_csrf")]
637 
    csrf_token: String,
638 
    /// `approve` or `reject`.
639 
    action: String,
640 
}
641
642 
/// `POST /{owner}/{name}/flow/{id}/jobs/{job}/decide`: approve or reject
643 
/// a job that waits for a person (oxygenflow#57).
644 
pub async fn decide(
645 
    State(app): State<Shared>,
646 
    viewer: Viewer,
647 
    Path((owner, name, number, job)): Path<(String, String, i64, String)>,
648 
    Form(f): Form<DecideForm>,
649 
) -> Result<Response, Error> {
650 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{number}"), &viewer);
651 
    let me = require(&viewer, &shell)?;
652 
    let (_, row, _) = lookup(&app, &shell, &viewer, &owner, &name).await?;
653 
    csrf(&viewer, &f.csrf_token, &shell)?;
654 
    let run = fdb::run(&app.db, row.id, number)
655 
        .await
656 
        .map_err(|e| Error::from_db(shell.clone(), e))?
657 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
658 
    let approve = match f.action.as_str() {
659 
        "approve" => true,
660 
        "reject" => false,
661 
        _ => return Err(Error::bad(shell, "approve or reject")),
662 
    };
05f1a85a Andy McCall ↶ 663 
    match crate::flow::decide(&app, &row, &run, &job, &me.account, approve, None).await {
417184c7 Andy McCall ↶ 664 
        Ok(_) => Ok(Redirect::to(&format!("/{owner}/{name}/flow/{number}")).into_response()),
665 
        Err(why) => Err(Error::bad(shell, why)),
666 
    }
42fa9554 Andy McCall ↶ 667 
}
668
669 
#[derive(Deserialize)]
670 
pub struct LiveQuery {
671 
    /// `job:seq,job:seq`: the last log line each open job already shows.
672 
    after: Option<String>,
673 
}
674
675 
/// `GET /{owner}/{name}/flow/{id}/live`: statuses and new log lines, for the
676 
/// run page while it is live.
677 
pub async fn live(
678 
    State(app): State<Shared>,
679 
    viewer: Viewer,
680 
    Path((owner, name, id)): Path<(String, String, i64)>,
681 
    Query(q): Query<LiveQuery>,
682 
) -> Result<Response, Error> {
683 
    let shell = Shell::new(&app, "", &viewer);
684 
    let (_repo, row, _role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
685 
    let run = fdb::run(&app.db, row.id, id)
686 
        .await
687 
        .map_err(|e| Error::from_db(shell.clone(), e))?
688 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
689 
    let jobs = fdb::jobs(&app.db, run.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
690 
    let after: std::collections::HashMap<i64, i64> = q
691 
        .after
692 
        .unwrap_or_default()
693 
        .split(',')
694 
        .filter_map(|p| p.split_once(':'))
695 
        .filter_map(|(a, b)| Some((a.parse().ok()?, b.parse().ok()?)))
696 
        .collect();
697 
    let mut out = Vec::new();
698 
    for j in &jobs {
699 
        let lines = match after.get(&j.id) {
700 
            Some(seq) => fdb::log(&app.db, j.id, *seq, 1000).await.unwrap_or_default(),
701 
            None => vec![],
702 
        };
703 
        out.push(serde_json::json!({
704 
            "id": j.id,
705 
            "name": j.name,
706 
            "status": j.status,
707 
            "glyph": glyph(&j.status),
708 
            "duration": crate::flow::duration(j),
709 
            "exit_code": j.exit_code,
710 
            "lines": lines.iter().map(|l| serde_json::json!({ "seq": l.seq, "t": l.t, "stream": l.stream, "text": l.text })).collect::<Vec<_>>(),
711 
        }));
712 
    }
713 
    Ok(Json(serde_json::json!({ "status": run.status, "live": run.live(), "jobs": out })).into_response())
714 
}
736f6813 Andy McCall ↶ 715
716 
// ------------------------------------------------------------ state stamps
717
718 
/// In rendered Markdown, the image path that is the viewed state's stamp.
719 
pub const STAMP_IMAGE: &str = ".flow/stamp";
720 
/// In rendered Markdown, the link path to the viewed state's run.
721 
pub const RUN_LINK: &str = ".flow/run";
722
723 
/// Resolve a ref to its state address, and whether the ref can move.
724 
async fn state_of(app: &Shared, owner: &str, name: &str, r: &str) -> Result<(String, bool), crate::repos::RepoError> {
725 
    let repo = crate::repos::RepoName::new(owner, name).ok_or(crate::repos::RepoError::NotFound)?;
726 
    let spec = r.to_string();
727 
    app.repos
728 
        .read(&repo, move |repo, cache| {
729 
            let t = crate::repos::view::resolve(repo, cache, &spec)?;
730 
            let moves = matches!(t.kind, crate::repos::view::RefKind::Bookmark | crate::repos::view::RefKind::Tag);
731 
            Ok((t.permalink().unwrap_or_default(), moves))
732 
        })
733 
        .await
734 
}
735
736 
/// `GET /{owner}/{name}/flow/stamp/{ref}` (hub spec §13.2).
737 
pub async fn stamp(
738 
    State(app): State<Shared>,
739 
    viewer: Viewer,
740 
    Path((owner, name, r)): Path<(String, String, String)>,
741 
) -> Result<Response, Error> {
742 
    let shell = Shell::new(&app, "", &viewer);
743 
    let (_repo, row, _role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
744 
    let (heads, moves) = state_of(&app, &owner, &name, &r).await.map_err(|e| Error::from_repo(shell.clone(), e))?;
745 
    if moves && !heads.is_empty() {
746 
        let mut res = axum::response::Redirect::to(&format!("/{owner}/{name}/flow/stamp/{heads}")).into_response();
747 
        res.headers_mut().insert(axum::http::header::CACHE_CONTROL, axum::http::HeaderValue::from_static("no-cache"));
748 
        return Ok(res);
749 
    }
750 
    let run = fdb::latest_for_heads(&app.db, row.id, &heads).await.map_err(|e| Error::from_db(shell.clone(), e))?;
751 
    let jobs = match &run {
752 
        Some(r) => fdb::jobs(&app.db, r.id).await.map_err(|e| Error::from_db(shell.clone(), e))?,
753 
        None => vec![],
754 
    };
755 
    let svg = stamp_svg(&heads, run.as_ref(), &jobs);
756 
    let cache = if run.as_ref().is_some_and(|r| !r.live()) { "public, max-age=3600" } else { "public, max-age=60" };
757 
    Ok((
758 
        [
759 
            (axum::http::header::CONTENT_TYPE, "image/svg+xml; charset=utf-8"),
760 
            (axum::http::header::CACHE_CONTROL, cache),
761 
            (axum::http::header::CONTENT_SECURITY_POLICY, "default-src 'none'; style-src 'unsafe-inline'"),
762 
        ],
763 
        svg,
764 
    )
765 
        .into_response())
766 
}
767
768 
/// `GET /{owner}/{name}/flow/at/{ref}`: the run of the ref's state, or the Flow tab.
769 
pub async fn at(
770 
    State(app): State<Shared>,
771 
    viewer: Viewer,
772 
    Path((owner, name, r)): Path<(String, String, String)>,
773 
) -> Result<Response, Error> {
774 
    let shell = Shell::new(&app, "", &viewer);
775 
    let (_repo, row, _role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
776 
    let (heads, _) = state_of(&app, &owner, &name, &r).await.map_err(|e| Error::from_repo(shell.clone(), e))?;
777 
    let run = fdb::latest_for_heads(&app.db, row.id, &heads).await.map_err(|e| Error::from_db(shell.clone(), e))?;
778 
    let to = match run {
a0d4bbfb Andy McCall ↶ 779 
        Some(r) => format!("/{owner}/{name}/flow/{}", r.number),
736f6813 Andy McCall ↶ 780 
        None => format!("/{owner}/{name}/flow"),
781 
    };
782 
    Ok(axum::response::Redirect::to(&to).into_response())
783 
}
784
785 
fn xml(s: &str) -> String {
786 
    s.replace('&', "&amp;").replace('<', "&lt;").replace('>', "&gt;").replace('"', "&quot;")
787 
}
788
789 
/// The stamp: the mark, one glyph per job, the status, the state and the
790 
/// date; the same facts machine-readable in `<metadata>`. Fixed colours,
791 
/// because an image does not follow the page's theme.
792 
pub fn stamp_svg(heads: &str, run: Option<&fdb::Run>, jobs: &[fdb::Job]) -> String {
793 
    const CH: f64 = 6.6; // IBM Plex Mono at 11px
794 
    let colour = |s: &str| match s {
795 
        "passed" => "#5fe3a1",
796 
        "failed" | "error" => "#ff5e7a",
797 
        "running" => "#00e0f0",
798 
        _ => "#8592ad",
799 
    };
800 
    let short: String = heads.chars().take(12).collect();
801 
    let (status, date) = match run {
802 
        Some(r) => (r.status.as_str(), crate::render::time::absolute(r.created_ms as u64).chars().take(10).collect::<String>()),
803 
        None => ("no run", String::new()),
804 
    };
805 
    let mut ordered: Vec<&fdb::Job> = jobs.iter().collect();
806 
    ordered.sort_by(|a, b| (a.depth, &a.name).cmp(&(b.depth, &b.name)));
807 
    let label = "OXYGENFLOW";
808 
    let label_w = 14.0 + label.len() as f64 * 6.2 + 8.0;
809 
    let glyphs_w = if ordered.is_empty() { 0.0 } else { ordered.len() as f64 * 10.0 + 6.0 };
810 
    let tail = if date.is_empty() { format!("{status} · {short}") } else { format!("{status} · {short} · {date}") };
811 
    let right_w = 8.0 + glyphs_w + tail.chars().count() as f64 * CH + 8.0;
812 
    let w = (label_w + right_w).ceil();
813 
    let mut glyphs = String::new();
814 
    for (i, j) in ordered.iter().enumerate() {
815 
        let x = label_w + 8.0 + i as f64 * 10.0 + 4.0;
816 
        glyphs.push_str(&format!(
817 
            r#"<text x="{x:.1}" y="15" fill="{}" text-anchor="middle">{}</text>"#,
818 
            colour(&j.status),
819 
            glyph(&j.status)
820 
        ));
821 
    }
822 
    let meta = serde_json::json!({
823 
        "heads": heads.split('+').filter(|h| !h.is_empty()).collect::<Vec<_>>(),
a0d4bbfb Andy McCall ↶ 824 
        "run": run.map(|r| r.number),
736f6813 Andy McCall ↶ 825 
        "status": status,
826 
        "jobs": ordered.iter().map(|j| serde_json::json!({ "name": j.name, "status": j.status, "receipt": j.receipt_hash })).collect::<Vec<_>>(),
827 
    });
828 
    let title = match run {
a0d4bbfb Andy McCall ↶ 829 
        Some(r) => format!("OxygenFlow run #{} {status} on state {short}", r.number),
736f6813 Andy McCall ↶ 830 
        None => format!("OxygenFlow: no run for state {short}"),
831 
    };
832 
    format!(
833 
        r##"<svg xmlns="http://www.w3.org/2000/svg" width="{w}" height="22" viewBox="0 0 {w} 22" role="img" aria-label="{t}"><title>{t}</title><metadata>{m}</metadata><rect width="{w}" height="22" rx="4" fill="#0e1526"/><rect width="{lw:.1}" height="22" rx="4" fill="#0b3f9e"/><rect x="{lx:.1}" width="4" height="22" fill="#0b3f9e"/><circle cx="9" cy="11" r="3.2" fill="none" stroke="#00f0ff" stroke-width="1.6"/><text x="16" y="15" fill="#ffffff" font-family="Barlow, Verdana, sans-serif" font-size="10.5" font-weight="700" letter-spacing=".6">{label}</text><g font-family="IBM Plex Mono, ui-monospace, monospace" font-size="11">{glyphs}<text x="{tx:.1}" y="15" fill="{sc}">{tail}</text></g><rect x=".5" y=".5" width="{wi}" height="21" rx="3.5" fill="none" stroke="#1f2b47"/></svg>"##,
834 
        t = xml(&title),
835 
        m = xml(&meta.to_string()),
836 
        lw = label_w,
837 
        lx = label_w - 4.0,
838 
        tx = label_w + 8.0 + glyphs_w,
839 
        sc = colour(status),
840 
        tail = xml(&tail),
841 
        wi = w - 1.0,
842 
    )
843 
}
cc19697f Andy McCall ↶ 844
845 
/// A receipt kept in a repository (Oxygen spec §14.6), as pages show it.
846 
#[derive(Clone, Debug)]
847 
pub struct ReceiptRow {
848 
    pub attest: String,
849 
    pub job: String,
850 
    pub exit_code: u32,
851 
    pub duration: String,
852 
    pub runner: String,
853 
    pub run: String,
854 
    /// Why it does not verify, or that its runner's key was revoked.
855 
    pub problem: String,
856 
    pub made_ms: i64,
857 
}
858
859 
impl ReceiptRow {
860 
    pub fn passed(&self) -> bool {
861 
        self.exit_code == 0
862 
    }
863 
}
864
865 
/// The receipts kept for the state of `heads`.
866 
pub async fn receipts_of(app: &Shared, name: &crate::repos::RepoName, heads: Vec<oxy_core::hash::ChangeHash>) -> Vec<ReceiptRow> {
867 
    let base = app.config.base_url();
868 
    let found = app.repos.read(name, move |repo, _| Ok(repo.receipts(&heads)?)).await.unwrap_or_default();
869 
    found
870 
        .into_iter()
871 
        .map(|i| {
872 
            let r = &i.signed.receipt;
873 
            let run = i.signed.run().to_string();
874 
            ReceiptRow {
875 
                attest: i.attest.to_hex(),
876 
                job: r.job_name.clone(),
877 
                exit_code: r.exit_code,
878 
                duration: crate::flow::human_ms(r.duration_ms as i64),
879 
                runner: i.signed.runner.name.clone(),
880 
                // Only links to this hub are followed from the page.
881 
                run: if run.starts_with(base) { run } else { String::new() },
882 
                problem: match (i.problem, i.revoked) {
883 
                    (Some(p), _) => p,
884 
                    (None, true) => "the runner's key was revoked".into(),
885 
                    (None, false) => String::new(),
886 
                },
887 
                made_ms: i.signed.attest.hlc.wall_ms as i64,
888 
            }
889 
        })
890 
        .collect()
891 
}
892
893 
/// `GET /{owner}/{name}/receipts/{attest}`: a signed receipt, for
894 
/// `oxy receipt verify` or `oxy receipt import`.
895 
pub async fn receipt_file(
896 
    State(app): State<Shared>,
897 
    viewer: Viewer,
898 
    Path((owner, name, attest)): Path<(String, String, String)>,
899 
) -> Result<Response, Error> {
900 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/receipts/{attest}"), &viewer);
901 
    let (repo, _row, _role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
902 
    let Some(r) = oxy_core::hash::ObjectRef::from_hex(attest.trim_end_matches(".receipt")) else {
903 
        return Err(Error::not_found(shell));
904 
    };
905 
    let (job, bytes) = app
906 
        .repos
907 
        .read(&repo, move |repo, _| {
908 
            let i = repo.receipt(&r)?;
909 
            Ok((i.signed.receipt.job_name.clone(), i.signed.encode()))
910 
        })
911 
        .await
912 
        .map_err(|_| Error::not_found(shell.clone()))?;
913 
    let file: String = job.chars().filter(|c| c.is_ascii_alphanumeric() || matches!(c, '-' | '_' | '.')).collect();
914 
    Ok((
915 
        [
916 
            (axum::http::header::CONTENT_TYPE, "application/oxy-receipt".to_string()),
917 
            (axum::http::header::CONTENT_DISPOSITION, format!("attachment; filename=\"{file}-{}.receipt\"", r.short(12))),
a3c8288b Andy McCall ↶ 918 
        ],
919 
        bytes,
920 
    )
921 
        .into_response())
922 
}
923
924 
/// `GET /{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}`: an artifact
925 
/// of a run's job, read from the repository.
926 
pub async fn artifact_file(
927 
    State(app): State<Shared>,
928 
    viewer: Viewer,
929 
    Path((owner, name, id, job, artifact)): Path<(String, String, i64, String, String)>,
930 
) -> Result<Response, Error> {
931 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}"), &viewer);
932 
    let (repo, row, _role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
933 
    let run = fdb::run(&app.db, row.id, id)
934 
        .await
935 
        .map_err(|e| Error::from_db(shell.clone(), e))?
936 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
937 
    let jobs = fdb::jobs(&app.db, run.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
938 
    let Some(j) = jobs.iter().find(|j| j.name == job) else { return Err(Error::not_found(shell)) };
939 
    let arts = fdb::artifacts(&app.db, j.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
940 
    let Some(a) = arts.into_iter().find(|a| a.name == artifact) else { return Err(Error::not_found(shell)) };
941 
    let Some(blob) = oxy_core::hash::ObjectRef::from_hex(&a.blob) else { return Err(Error::not_found(shell)) };
942 
    let bytes = app.repos.read(&repo, move |r, _| Ok(r.read_blob(&blob)?)).await.map_err(|_| Error::not_found(shell.clone()))?;
943 
    let file = a.path.rsplit('/').next().unwrap_or(&a.name).to_string();
944 
    Ok((
945 
        [
946 
            (axum::http::header::CONTENT_TYPE, "application/octet-stream".to_string()),
947 
            (axum::http::header::CONTENT_DISPOSITION, format!("attachment; filename=\"{}\"", file.replace('"', ""))),
cc19697f Andy McCall ↶ 948 
        ],
949 
        bytes,
950 
    )
951 
        .into_response())
10708ab8 Andy McCall ↶ 952 
}
953
076c7a7c Andy McCall ↶ 954 
/// `GET …/artifacts/{job}/{artifact}/provenance` (oxygenhub#239): the
955 
/// artifact's SLSA provenance in a DSSE envelope signed by the hub, for
956 
/// `cosign verify-blob-attestation --key oxyhub-signing.pem --type
957 
/// slsaprovenance1`. Only for a job whose signed receipt the hub kept.
958 
pub async fn provenance(
959 
    State(app): State<Shared>,
960 
    viewer: Viewer,
961 
    Path((owner, name, id, job, artifact)): Path<(String, String, i64, String, String)>,
962 
) -> Result<Response, Error> {
963 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}/provenance"), &viewer);
964 
    let (repo, row, _role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
965 
    let run = fdb::run(&app.db, row.id, id)
966 
        .await
967 
        .map_err(|e| Error::from_db(shell.clone(), e))?
968 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
969 
    let jobs = fdb::jobs(&app.db, run.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
970 
    let Some(j) = jobs.iter().find(|j| j.name == job) else { return Err(Error::not_found(shell)) };
971 
    if j.receipt_attest.is_empty() {
972 
        return Err(Error::bad(shell, "This job has no signed receipt the hub kept, so the hub states no provenance for it.".to_string()));
973 
    }
974 
    let arts = fdb::artifacts(&app.db, j.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
975 
    let Some(a) = arts.into_iter().find(|a| a.name == artifact) else { return Err(Error::not_found(shell)) };
976 
    let Some(blob) = oxy_core::hash::ObjectRef::from_hex(&a.blob) else { return Err(Error::not_found(shell)) };
977 
    let bytes = app.repos.read(&repo, move |r, _| Ok(r.read_blob(&blob)?)).await.map_err(|_| Error::not_found(shell.clone()))?;
978 
    let file = a.path.rsplit('/').next().unwrap_or(&a.name).to_string();
979 
    let base = app.config.base_url();
980 
    let subject = crate::provenance::Subject {
981 
        name: &file,
982 
        bytes: &bytes,
983 
        repo: &format!("{owner}/{name}"),
984 
        run_url: &format!("{base}/{owner}/{name}/flow/{id}"),
985 
        bookmark: &run.bookmark,
986 
        state: &run.state,
987 
        heads: &run.heads,
988 
        pipeline_hash: &run.pipeline_hash,
989 
        job: &j.name,
990 
        runner: &j.runner,
991 
        receipt_signer: &j.receipt_signer,
992 
        receipt_attest: &j.receipt_attest,
993 
        started_ms: j.started_ms,
994 
        finished_ms: j.finished_ms,
995 
    };
996 
    let statement = crate::provenance::statement(base, &subject);
997 
    let envelope = crate::provenance::envelope(&app, &statement).map_err(|e| Error::bad(shell.clone(), e.to_string()))?;
998 
    Ok((
999 
        [
1000 
            (axum::http::header::CONTENT_TYPE, "application/json".to_string()),
1001 
            (axum::http::header::CONTENT_DISPOSITION, format!("attachment; filename=\"{}.intoto.json\"", file.replace('"', ""))),
1002 
        ],
1003 
        serde_json::to_string(&envelope).unwrap_or_default(),
1004 
    )
1005 
        .into_response())
1006 
}
1007
1008 
/// `GET /.well-known/oxyhub-signing.pem`: the hub's Ed25519 public key, as
1009 
/// cosign and other verifiers take it (oxygenhub#239).
1010 
pub async fn signing_key(State(app): State<Shared>) -> Response {
1011 
    ([(axum::http::header::CONTENT_TYPE, "application/x-pem-file")], crate::provenance::public_pem(&app)).into_response()
1012 
}
1013
10708ab8 Andy McCall ↶ 1014 
#[derive(Deserialize)]
1015 
pub struct AttachForm {
1016 
    _csrf: String,
1017 
    release: i64,
1018 
}
1019
1020 
/// `POST /{owner}/{name}/flow/{id}/artifacts/{job}/{artifact}/attach`: add
1021 
/// an artifact to a release as an asset, named after its path; the release
1022 
/// page then shows the run and receipt that built it.
1023 
pub async fn attach(
1024 
    State(app): State<Shared>,
1025 
    viewer: Viewer,
1026 
    Path((owner, name, id, job, artifact)): Path<(String, String, i64, String, String)>,
1027 
    Form(f): Form<AttachForm>,
1028 
) -> Result<Response, Error> {
1029 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow/{id}"), &viewer);
1030 
    require(&viewer, &shell)?;
1031 
    csrf(&viewer, &f._csrf, &shell)?;
1032 
    let (repo, row, _) = lookup_role(&app, &shell, &viewer, &owner, &name, Access::Write).await?;
1033 
    let run = fdb::run(&app.db, row.id, id)
1034 
        .await
1035 
        .map_err(|e| Error::from_db(shell.clone(), e))?
1036 
        .ok_or_else(|| Error::not_found(shell.clone()))?;
1037 
    let jobs = fdb::jobs(&app.db, run.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
1038 
    let Some(j) = jobs.iter().find(|j| j.name == job) else { return Err(Error::not_found(shell)) };
6f52a041 Andy McCall ↶ 1039 
    // A failing job's `when "always"` artifacts are not in its receipt, so
1040 
    // they cannot stand for a release (oxygenflow#37).
1041 
    if j.status != "passed" {
1042 
        return Err(Error::bad(shell, "only a passing job's artifacts can be attached to a release"));
1043 
    }
10708ab8 Andy McCall ↶ 1044 
    let arts = fdb::artifacts(&app.db, j.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
1045 
    let Some(a) = arts.into_iter().find(|a| a.name == artifact) else { return Err(Error::not_found(shell)) };
1046 
    let releases = db::releases::list(&app.db, row.id).await.map_err(|e| Error::from_db(shell.clone(), e))?;
1047 
    let Some(rel) = releases.into_iter().find(|r| r.id == f.release) else { return Err(Error::not_found(shell)) };
1048 
    let Some(blob) = oxy_core::hash::ObjectRef::from_hex(&a.blob) else { return Err(Error::not_found(shell)) };
1049 
    let bytes = app.repos.read(&repo, move |r, _| Ok(r.read_blob(&blob)?)).await.map_err(|e| Error::from_repo(shell.clone(), e))?;
1050 
    let file = a.path.rsplit('/').next().unwrap_or(&a.name).to_string();
1051 
    super::releases::store_asset(&app, rel.id, &file, "application/octet-stream", &bytes)
1052 
        .await
1053 
        .map_err(|m| Error::bad(shell.clone(), m))?;
1054 
    Ok(Redirect::to(&format!("/{owner}/{name}/releases/tag/{}", rel.tag)).into_response())
cc19697f Andy McCall ↶ 1055 
}
8933faff Andy McCall ↶ 1056
1057 
/// `/{owner}/{name}/flow/badge.svg`: the latest run on the default
1058 
/// bookmark as a small SVG for a README, for whoever may read the
1059 
/// repository. `passed` green, `failed` or `error` red, a run still going
1060 
/// blue, none grey.
1061 
pub async fn badge(
1062 
    State(app): State<Shared>,
1063 
    viewer: Viewer,
1064 
    Path((owner, name)): Path<(String, String)>,
1065 
) -> Result<axum::response::Response, Error> {
1066 
    use axum::response::IntoResponse;
1067 
    let shell = Shell::new(&app, &format!("/{owner}/{name}/flow"), &viewer);
1068 
    let (_repo, row, _role) = lookup(&app, &shell, &viewer, &owner, &name).await?;
1069 
    let latest = fdb::latest_on(&app.db, row.id, &row.default_bookmark).await.map_err(|e| Error::from_db(shell.clone(), e))?;
1070 
    let (text, colour) = match latest.as_ref().map(|r| r.status.as_str()) {
1071 
        Some("passed") => ("passing", "#2da44e"),
1072 
        Some("failed") | Some("error") => ("failing", "#cf222e"),
1073 
        Some("cancelled") => ("cancelled", "#6e7781"),
1074 
        Some(_) => ("running", "#0969da"),
1075 
        None => ("no runs", "#6e7781"),
1076 
    };
1077 
    let label = "OxygenFlow";
1078 
    let (lw, tw) = (label.len() as u32 * 7 + 10, text.len() as u32 * 7 + 10);
1079 
    let svg = format!(
1080 
        r##"<svg xmlns="http://www.w3.org/2000/svg" width="{w}" height="20" role="img" aria-label="{label}: {text}"><title>{label}: {text}</title><rect width="{lw}" height="20" rx="3" fill="#555"/><rect x="{lw}" width="{tw}" height="20" rx="3" fill="{colour}"/><rect x="{lw}" width="4" height="20" fill="{colour}"/><g fill="#fff" font-family="Verdana,DejaVu Sans,sans-serif" font-size="11" text-anchor="middle"><text x="{lx}" y="14">{label}</text><text x="{tx}" y="14">{text}</text></g></svg>"##,
1081 
        w = lw + tw,
1082 
        lx = lw / 2,
1083 
        tx = lw + tw / 2,
1084 
    );
1085 
    Ok((
1086 
        [(axum::http::header::CONTENT_TYPE, "image/svg+xml; charset=utf-8"), (axum::http::header::CACHE_CONTROL, "no-cache, max-age=60")],
1087 
        svg,
1088 
    )
1089 
        .into_response())
1090 
}