| 1 | //! Server-rendered web UI (Maud): repo list, repo overview, tree browsing, and |
| 2 | //! blob viewing. Pages are plain SSR and work without JavaScript; htmx-based |
| 3 | //! progressive enhancement is a follow-up. |
| 4 | |
| 5 | use std::collections::{ |
| 6 | BTreeMap, |
| 7 | HashMap, |
| 8 | }; |
| 9 | use std::path::PathBuf; |
| 10 | use std::sync::{ |
| 11 | Arc, |
| 12 | Mutex, |
| 13 | OnceLock, |
| 14 | }; |
| 15 | |
| 16 | use anvil_core::{ |
| 17 | App, |
| 18 | CiRun, |
| 19 | Repository, |
| 20 | SshKey, |
| 21 | User, |
| 22 | access, |
| 23 | ci, |
| 24 | repos, |
| 25 | ssh_keys, |
| 26 | users, |
| 27 | }; |
| 28 | use anvil_git::browse::{ |
| 29 | self, |
| 30 | ChangeKind, |
| 31 | FileChange, |
| 32 | }; |
| 33 | use axum::{ |
| 34 | Form, |
| 35 | Router, |
| 36 | extract::{ |
| 37 | Path, |
| 38 | Query, |
| 39 | State, |
| 40 | }, |
| 41 | http::{ |
| 42 | StatusCode, |
| 43 | header, |
| 44 | }, |
| 45 | response::{ |
| 46 | IntoResponse, |
| 47 | Redirect, |
| 48 | Response, |
| 49 | }, |
| 50 | routing::{ |
| 51 | get, |
| 52 | post, |
| 53 | }, |
| 54 | }; |
| 55 | use maud::{ |
| 56 | DOCTYPE, |
| 57 | Markup, |
| 58 | PreEscaped, |
| 59 | html, |
| 60 | }; |
| 61 | use similar::{ |
| 62 | ChangeTag, |
| 63 | TextDiff, |
| 64 | }; |
| 65 | use syntect::easy::HighlightLines; |
| 66 | use syntect::highlighting::{ |
| 67 | Theme, |
| 68 | ThemeSet, |
| 69 | }; |
| 70 | use syntect::html::{ |
| 71 | IncludeBackground, |
| 72 | styled_line_to_highlighted_html, |
| 73 | }; |
| 74 | use syntect::parsing::SyntaxSet; |
| 75 | use time::OffsetDateTime; |
| 76 | |
| 77 | use crate::auth::{ |
| 78 | CSRF_FIELD, |
| 79 | Csrf, |
| 80 | CurrentUser, |
| 81 | verify_csrf, |
| 82 | }; |
| 83 | |
| 84 | const STYLE: &str = r#" |
| 85 | :root { --fg:#1f2328; --muted:#656d76; --bg:#fff; --border:#d0d7de; --accent:#0969da; --code-bg:#f6f8fa; } |
| 86 | * { box-sizing:border-box; } |
| 87 | body { margin:0; font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif; color:var(--fg); background:var(--bg); } |
| 88 | a { color:var(--accent); text-decoration:none; } a:hover { text-decoration:underline; } |
| 89 | header.top { border-bottom:1px solid var(--border); padding:12px 0; background:var(--code-bg); } |
| 90 | .container { max-width:980px; margin:0 auto; padding:0 16px; } |
| 91 | header.top .container { display:flex; align-items:center; gap:12px; } |
| 92 | .brand { font-weight:700; font-size:16px; color:var(--fg); } |
| 93 | main { padding:24px 0; } |
| 94 | h1,h2 { font-weight:600; } h1 { font-size:20px; } h2 { font-size:15px; margin:20px 0 8px; } |
| 95 | .muted { color:var(--muted); } |
| 96 | .repo-list { list-style:none; padding:0; margin:0; } |
| 97 | .repo-list li { padding:12px 0; border-bottom:1px solid var(--border); } |
| 98 | .repo-list .name { font-size:16px; font-weight:600; } |
| 99 | .box { border:1px solid var(--border); border-radius:6px; overflow:hidden; } |
| 100 | .box .row { display:flex; justify-content:space-between; padding:8px 16px; border-top:1px solid var(--border); } |
| 101 | .box .row:first-child { border-top:0; } |
| 102 | .box .row a.entry { display:flex; gap:8px; align-items:center; white-space:nowrap; } |
| 103 | .box .row a.fc-msg { flex:1; margin-left:24px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; text-align:left; color:var(--muted); font-size:13px; } |
| 104 | .box .row a.fc-msg:hover { color:var(--accent); } |
| 105 | .box .row .fc-time { margin-left:16px; white-space:nowrap; color:var(--muted); font-size:13px; } |
| 106 | .icon { width:16px; flex:none; display:inline-flex; align-items:center; justify-content:center; color:var(--muted); } |
| 107 | .icon.dir { color:#54aeff; } |
| 108 | table.code { border-collapse:collapse; width:100%; font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; } |
| 109 | table.code td { padding:0 10px; vertical-align:top; white-space:pre; } |
| 110 | table.code td.ln { text-align:right; color:var(--muted); user-select:none; width:1%; border-right:1px solid var(--border); background:var(--code-bg); } |
| 111 | .clone { border:1px solid var(--border); border-radius:6px; padding:12px 16px; margin:16px 0; } |
| 112 | .clone-head { display:flex; align-items:center; gap:12px; margin-bottom:8px; } |
| 113 | .clone-tabs { display:flex; margin-left:auto; } |
| 114 | .clone-tab { font-size:12px; padding:2px 10px; border:1px solid var(--border); border-radius:0; margin-left:-1px; position:relative; background:var(--bg); color:var(--muted); cursor:pointer; } |
| 115 | .clone-tab:first-child { border-radius:2em 0 0 2em; margin-left:0; } |
| 116 | .clone-tab:last-child { border-radius:0 2em 2em 0; } |
| 117 | .clone-tab:first-child:last-child { border-radius:2em; } |
| 118 | .clone-tab.active { background:var(--accent); color:#fff; border-color:var(--accent); z-index:1; } |
| 119 | .clone-cmd { display:flex; align-items:center; gap:8px; background:var(--code-bg); border:1px solid var(--border); border-radius:6px; padding:6px 10px; } |
| 120 | .clone-cmd code { flex:1; font:12px ui-monospace,monospace; user-select:all; overflow-x:auto; white-space:nowrap; } |
| 121 | .copy-btn { display:inline-flex; align-items:center; background:none; border:0; color:var(--muted); cursor:pointer; padding:2px; } |
| 122 | .copy-btn:hover { color:var(--fg); } |
| 123 | .copied-msg { display:none; color:#1a7f37; font-size:12px; } |
| 124 | .clone.copied .copied-msg { display:inline; } |
| 125 | .clone.copied .copy-btn { color:#1a7f37; } |
| 126 | .crumbs { margin:12px 0; font:13px ui-monospace,monospace; } |
| 127 | .pill { display:inline-block; background:var(--code-bg); border:1px solid var(--border); border-radius:2em; padding:1px 8px; font-size:12px; color:var(--muted); } |
| 128 | .pill.active { background:var(--accent); border-color:var(--accent); color:#fff; } |
| 129 | .view-toggle { margin:8px 0; } |
| 130 | a.pill:hover { text-decoration:none; border-color:var(--accent); color:var(--accent); } |
| 131 | .md-body { padding:8px 24px 16px; line-height:1.6; overflow-wrap:break-word; } |
| 132 | .md-body h1, .md-body h2 { border-bottom:1px solid var(--border); padding-bottom:6px; } |
| 133 | .md-body pre { background:var(--code-bg); border-radius:6px; padding:12px 14px; overflow-x:auto; font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; } |
| 134 | .md-body code { background:var(--code-bg); border-radius:4px; padding:1px 4px; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:0.9em; } |
| 135 | .md-body pre code { background:none; padding:0; font-size:inherit; } |
| 136 | .md-body blockquote { border-left:4px solid var(--border); margin:0 0 12px; padding:0 14px; color:var(--muted); } |
| 137 | .md-body table { border-collapse:collapse; margin:12px 0; } .md-body th, .md-body td { border:1px solid var(--border); padding:5px 10px; } |
| 138 | .md-body img { max-width:100%; } |
| 139 | .linkbtn { background:none; border:0; color:var(--accent); cursor:pointer; font:inherit; padding:0; } |
| 140 | .linkbtn:hover { text-decoration:underline; } |
| 141 | .btn { display:inline-block; background:var(--accent); color:#fff; border:1px solid var(--accent); border-radius:6px; padding:5px 12px; font-size:13px; cursor:pointer; } |
| 142 | .btn:hover { text-decoration:none; opacity:.92; } |
| 143 | .repo-nav { font-size:13px; } |
| 144 | .repo-nav a { color:var(--muted); } |
| 145 | .repo-nav a:hover { color:var(--accent); text-decoration:none; } |
| 146 | .pill-group { display:inline-flex; } |
| 147 | .pill-group > .pill { border-radius:0; margin-left:-1px; position:relative; } |
| 148 | .pill-group > .pill:first-child { border-radius:2em 0 0 2em; margin-left:0; } |
| 149 | .pill-group > .pill:last-child { border-radius:0 2em 2em 0; } |
| 150 | form.stack p { margin:10px 0; } form.stack label { font-size:13px; color:var(--muted); } |
| 151 | form.stack input[type=text], form.stack textarea { width:100%; max-width:480px; padding:6px 8px; border:1px solid var(--border); border-radius:6px; font:inherit; } |
| 152 | form.stack .check { display:flex; gap:8px; align-items:flex-start; max-width:480px; } |
| 153 | .latest-commit { display:flex; gap:10px; align-items:baseline; background:var(--code-bg); border:1px solid var(--border); border-radius:6px 6px 0 0; border-bottom:0; padding:8px 16px; } |
| 154 | .latest-commit + .box { border-radius:0 0 6px 6px; } |
| 155 | .commit-list { list-style:none; padding:0; margin:0; } |
| 156 | .commit-list li { padding:8px 0; border-top:1px solid var(--border); display:flex; gap:12px; align-items:baseline; } |
| 157 | .commit-list li:first-child { border-top:0; } |
| 158 | .sha { font:12px ui-monospace,monospace; color:var(--muted); } |
| 159 | .file-diff { margin:16px 0; } |
| 160 | .file-diff summary.head { background:var(--code-bg); border:1px solid var(--border); border-radius:6px; padding:6px 12px; font:12px ui-monospace,monospace; cursor:pointer; display:flex; align-items:center; gap:8px; list-style:none; } |
| 161 | .file-diff summary.head::-webkit-details-marker { display:none; } |
| 162 | .file-diff summary.head::before { content:"\25B8"; color:var(--muted); } |
| 163 | .file-diff[open] summary.head::before { content:"\25BE"; } |
| 164 | .file-diff[open] summary.head { border-bottom:0; border-radius:6px 6px 0 0; } |
| 165 | .file-diff .stat { margin-left:auto; white-space:nowrap; } |
| 166 | .stat .plus { color:#1a7f37; } .stat .minus { color:#cf222e; } |
| 167 | table.diff { border:1px solid var(--border); border-radius:0 0 6px 6px; } |
| 168 | table.diff td.sign { width:1%; text-align:center; color:var(--muted); user-select:none; } |
| 169 | table.diff tr.ins { background:#e6ffec; } table.diff tr.ins td.sign { color:#1a7f37; } |
| 170 | table.diff tr.del { background:#ffebe9; } table.diff tr.del td.sign { color:#cf222e; } |
| 171 | table.diff tr.gap td { background:var(--code-bg); color:var(--muted); text-align:center; padding:3px 10px; user-select:none; font-size:11px; } |
| 172 | .badge { font-size:11px; border-radius:3px; padding:1px 6px; } |
| 173 | .badge.add { background:#dafbe1; color:#1a7f37; } .badge.del { background:#ffebe9; color:#cf222e; } .badge.mod { background:#fff8c5; color:#7d4e00; } |
| 174 | .st { font-size:11px; border-radius:2em; padding:1px 9px; font-weight:600; text-transform:capitalize; } |
| 175 | .st.queued { background:#eaeef2; color:#656d76; } .st.running { background:#fff8c5; color:#7d4e00; } |
| 176 | .st.success { background:#dafbe1; color:#1a7f37; } .st.failure, .st.error { background:#ffebe9; color:#cf222e; } |
| 177 | .log { background:#0d1117; color:#e6edf3; border-radius:6px; padding:14px 16px; overflow-x:auto; font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; white-space:pre-wrap; word-break:break-word; margin:0; } |
| 178 | footer { color:var(--muted); font-size:12px; padding:24px 0; border-top:1px solid var(--border); margin-top:32px; } |
| 179 | details.nav-menu { position:relative; } |
| 180 | details.nav-menu > summary { list-style:none; cursor:pointer; color:var(--accent); font-size:14px; } |
| 181 | details.nav-menu > summary::-webkit-details-marker { display:none; } |
| 182 | details.nav-menu > summary::after { content:" ▾"; font-size:10px; color:var(--muted); } |
| 183 | .nav-dropdown { position:absolute; right:0; top:calc(100% + 6px); background:var(--bg); border:1px solid var(--border); border-radius:6px; min-width:130px; box-shadow:0 4px 14px rgba(0,0,0,.1); z-index:200; padding:4px 0; } |
| 184 | .nav-dropdown a, .nav-dropdown button { display:block; width:100%; padding:6px 14px; font-size:13px; color:var(--fg); text-align:left; background:none; border:0; cursor:pointer; font:inherit; text-decoration:none; } |
| 185 | .nav-dropdown a:hover, .nav-dropdown button:hover { background:var(--code-bg); color:var(--fg); } |
| 186 | .nav-dropdown.left { left:0; right:auto; max-height:320px; overflow-y:auto; } |
| 187 | .nav-dropdown .dd-head { padding:6px 14px 2px; font-size:11px; text-transform:uppercase; letter-spacing:.03em; color:var(--muted); } |
| 188 | .nav-dropdown a.current { font-weight:600; } |
| 189 | details.rev-menu { display:inline-block; } |
| 190 | details.rev-menu > summary .pill { cursor:pointer; } |
| 191 | "#; |
| 192 | |
| 193 | /// Clipboard icon for the clone "copy" button. |
| 194 | const CLIPBOARD_SVG: &str = r#"<svg viewBox="0 0 16 16" width="15" height="15" fill="currentColor" aria-hidden="true"><path d="M10 1.5H6a.5.5 0 0 0-.5.5v1H4A1.5 1.5 0 0 0 2.5 4.5v9A1.5 1.5 0 0 0 4 15h8a1.5 1.5 0 0 0 1.5-1.5v-9A1.5 1.5 0 0 0 12 3h-1.5V2a.5.5 0 0 0-.5-.5zm-3.5 1h3v1h-3v-1zM4 4.5h8v9H4v-9z"/></svg>"#; |
| 195 | |
| 196 | /// Filled folder icon for directory entries in the tree view. |
| 197 | const FOLDER_SVG: &str = r#"<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor" aria-hidden="true"><path d="M1.75 1A1.75 1.75 0 0 0 0 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0 0 16 13.25v-8.5A1.75 1.75 0 0 0 14.25 3H7.5a.25.25 0 0 1-.2-.1l-.9-1.2C6.07 1.26 5.55 1 5 1H1.75Z"/></svg>"#; |
| 198 | |
| 199 | /// Outline file icon for blob entries in the tree view. |
| 200 | const FILE_SVG: &str = r#"<svg viewBox="0 0 16 16" width="16" height="16" fill="currentColor" aria-hidden="true"><path d="M2 1.75C2 .784 2.784 0 3.75 0h6.586c.464 0 .909.184 1.237.513l2.914 2.914c.329.328.513.773.513 1.237v9.586A1.75 1.75 0 0 1 13.25 16h-9.5A1.75 1.75 0 0 1 2 14.25Zm1.75-.25a.25.25 0 0 0-.25.25v12.5c0 .138.112.25.25.25h9.5a.25.25 0 0 0 .25-.25V6h-2.75A1.75 1.75 0 0 1 9 4.25V1.5Zm6.75.062V4.25c0 .138.112.25.25.25h2.688l-.011-.013-2.914-2.914-.013-.011Z"/></svg>"#; |
| 201 | |
| 202 | /// Delegated handlers for the clone widget: protocol toggle + copy-to-clipboard. |
| 203 | /// Registered once on `document`, so it survives htmx body swaps. |
| 204 | const CLONE_JS: &str = r#" |
| 205 | (function(){ |
| 206 | function copyText(t){ |
| 207 | if (navigator.clipboard && navigator.clipboard.writeText) return navigator.clipboard.writeText(t); |
| 208 | var ta=document.createElement('textarea'); ta.value=t; ta.style.position='fixed'; ta.style.opacity='0'; |
| 209 | document.body.appendChild(ta); ta.focus(); ta.select(); |
| 210 | try{document.execCommand('copy')}catch(e){} |
| 211 | document.body.removeChild(ta); return Promise.resolve(); |
| 212 | } |
| 213 | document.addEventListener('click', function(e){ |
| 214 | var nm=e.target.closest('details.nav-menu'); |
| 215 | document.querySelectorAll('details.nav-menu').forEach(function(d){ if(d!==nm) d.removeAttribute('open'); }); |
| 216 | var tab=e.target.closest('.clone-tab'); |
| 217 | if(tab){ |
| 218 | var box=tab.closest('.clone'), cmd=box.dataset[tab.dataset.proto]; |
| 219 | if(cmd){ box.querySelector('.clone-cmd code').textContent=cmd; } |
| 220 | box.querySelectorAll('.clone-tab').forEach(function(t){ t.classList.toggle('active', t===tab); }); |
| 221 | return; |
| 222 | } |
| 223 | var copy=e.target.closest('.copy-btn'); |
| 224 | if(copy){ |
| 225 | var box=copy.closest('.clone'); |
| 226 | copyText(box.querySelector('.clone-cmd code').textContent).then(function(){ |
| 227 | box.classList.add('copied'); |
| 228 | setTimeout(function(){ box.classList.remove('copied'); }, 1300); |
| 229 | }); |
| 230 | } |
| 231 | }); |
| 232 | })(); |
| 233 | "#; |
| 234 | |
| 235 | /// Mount the web UI routes. |
| 236 | pub fn routes(router: Router<App>) -> Router<App> { |
| 237 | router |
| 238 | .route("/", get(home)) |
| 239 | .route("/-/settings", get(account_settings)) |
| 240 | .route("/-/settings/keys", post(add_ssh_key)) |
| 241 | .route("/-/settings/keys/{id}/delete", post(delete_ssh_key)) |
| 242 | .route("/-/new", get(new_repo_form).post(new_repo_submit)) |
| 243 | .route("/{username}", get(user_profile)) |
| 244 | .route( |
| 245 | "/{owner}/{repo}/settings", |
| 246 | get(repo_settings).post(repo_settings_submit), |
| 247 | ) |
| 248 | .route("/{owner}/{repo}", get(repo_index)) |
| 249 | .route("/{owner}/{repo}/tree/{rev}", get(tree_root)) |
| 250 | .route("/{owner}/{repo}/tree/{rev}/{*path}", get(tree_path)) |
| 251 | .route("/{owner}/{repo}/blob/{rev}/{*path}", get(blob)) |
| 252 | .route("/{owner}/{repo}/commits/{rev}", get(commits)) |
| 253 | .route("/{owner}/{repo}/commit/{id}", get(commit)) |
| 254 | .route("/{owner}/{repo}/ci", get(ci_runs)) |
| 255 | .route("/{owner}/{repo}/ci/{id}", get(ci_run)) |
| 256 | .route("/-/static/htmx.min.js", get(htmx_js)) |
| 257 | } |
| 258 | |
| 259 | /// Serve the vendored htmx script (embedded in the binary). |
| 260 | async fn htmx_js() -> Response { |
| 261 | ( |
| 262 | [( |
| 263 | header::CONTENT_TYPE, |
| 264 | "application/javascript; charset=utf-8", |
| 265 | )], |
| 266 | include_str!("../assets/htmx.min.js"), |
| 267 | ) |
| 268 | .into_response() |
| 269 | } |
| 270 | |
| 271 | pub(crate) fn layout(title: &str, user: Option<&User>, body: Markup) -> Markup { |
| 272 | // Attach the session's CSRF token to every htmx request as a header, so any |
| 273 | // JS-driven action carries it without a hidden field. Omitted (no attribute) |
| 274 | // when unauthenticated. The token is hex, so it needs no JSON escaping. |
| 275 | let csrf = crate::auth::current_csrf(); |
| 276 | let hx_headers = (!csrf.is_empty()).then(|| format!(r#"{{"{CSRF_FIELD}": "{csrf}"}}"#)); |
| 277 | html! { |
| 278 | (DOCTYPE) |
| 279 | html lang="en" { |
| 280 | head { |
| 281 | meta charset="utf-8"; |
| 282 | meta name="viewport" content="width=device-width, initial-scale=1"; |
| 283 | title { (title) " · anvil" } |
| 284 | style { (PreEscaped(STYLE)) } |
| 285 | } |
| 286 | body hx-boost="true" hx-headers=[hx_headers] { |
| 287 | header.top { div.container { |
| 288 | a.brand href="/" { "anvil" } |
| 289 | span style="margin-left:auto" { |
| 290 | @match user { |
| 291 | Some(u) => { |
| 292 | details.nav-menu { |
| 293 | summary { (u.username) } |
| 294 | div.nav-dropdown { |
| 295 | a href="/-/settings" { "Settings" } |
| 296 | form method="post" action="/-/logout" { |
| 297 | button type="submit" { "Sign out" } |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | } |
| 302 | None => { a href="/-/login" { "sign in" } } |
| 303 | } |
| 304 | } |
| 305 | } } |
| 306 | main { div.container { (body) } } |
| 307 | footer { div.container { "anvil — a minimal git forge" } } |
| 308 | script src="/-/static/htmx.min.js" {} |
| 309 | script { (PreEscaped(CLONE_JS)) } |
| 310 | } |
| 311 | } |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /// Hidden CSRF token field for embedding inside a mutating `<form>`. |
| 316 | pub(crate) fn csrf_input(token: &str) -> Markup { |
| 317 | html! { input type="hidden" name=(CSRF_FIELD) value=(token); } |
| 318 | } |
| 319 | |
| 320 | pub(crate) fn not_found(message: &str) -> Response { |
| 321 | ( |
| 322 | StatusCode::NOT_FOUND, |
| 323 | layout( |
| 324 | "Not found", |
| 325 | None, |
| 326 | html! { h1 { "Not found" } p.muted { (message) } }, |
| 327 | ), |
| 328 | ) |
| 329 | .into_response() |
| 330 | } |
| 331 | |
| 332 | pub(crate) fn server_error(err: impl std::fmt::Display) -> Response { |
| 333 | tracing::error!("ui error: {err}"); |
| 334 | ( |
| 335 | StatusCode::INTERNAL_SERVER_ERROR, |
| 336 | layout("Error", None, html! { h1 { "Something went wrong" } }), |
| 337 | ) |
| 338 | .into_response() |
| 339 | } |
| 340 | |
| 341 | /// Resolve `<owner>/<repo>` to its on-disk path and metadata row, enforcing read |
| 342 | /// access for `viewer`. Private repos 404 for non-owners (no existence leak). |
| 343 | pub(crate) async fn resolve_repo( |
| 344 | app: &App, |
| 345 | viewer: Option<&User>, |
| 346 | owner: &str, |
| 347 | name: &str, |
| 348 | ) -> Result<(PathBuf, Repository), Response> { |
| 349 | let owner_user = users::find_by_username(&app.db, owner) |
| 350 | .await |
| 351 | .map_err(server_error)? |
| 352 | .ok_or_else(|| not_found("no such user"))?; |
| 353 | let repo = repos::find(&app.db, owner_user.id, name) |
| 354 | .await |
| 355 | .map_err(server_error)? |
| 356 | .ok_or_else(|| not_found("no such repository"))?; |
| 357 | if !access::can_read(&repo, viewer) { |
| 358 | return Err(not_found("no such repository")); |
| 359 | } |
| 360 | let path = anvil_core::storage::repo_path(&app.config.repositories_dir(), owner, name); |
| 361 | if !path.exists() { |
| 362 | return Err(not_found("repository not found on disk")); |
| 363 | } |
| 364 | Ok((path, repo)) |
| 365 | } |
| 366 | |
| 367 | /// `GET /` — list repositories visible to the current user. |
| 368 | async fn home(State(app): State<App>, CurrentUser(user): CurrentUser) -> Result<Markup, Response> { |
| 369 | let all = repos::list_all_with_owner(&app.db) |
| 370 | .await |
| 371 | .map_err(server_error)?; |
| 372 | let repos: Vec<_> = all |
| 373 | .into_iter() |
| 374 | .filter(|r| { |
| 375 | !r.is_private |
| 376 | || user |
| 377 | .as_ref() |
| 378 | .is_some_and(|u| u.id == r.owner_id || u.is_admin) |
| 379 | }) |
| 380 | .collect(); |
| 381 | Ok(layout( |
| 382 | "Repositories", |
| 383 | user.as_ref(), |
| 384 | html! { |
| 385 | div style="display:flex;align-items:center" { |
| 386 | h1 style="margin-right:auto" { "Repositories" } |
| 387 | @if user.is_some() { a.btn href="/-/new" { "New repository" } } |
| 388 | } |
| 389 | @if repos.is_empty() { |
| 390 | p.muted { |
| 391 | "No repositories yet. " |
| 392 | @if user.is_some() { a href="/-/new" { "Create one" } "." } |
| 393 | @else { "Sign in to create one." } |
| 394 | } |
| 395 | } @else { |
| 396 | ul.repo-list { |
| 397 | @for r in &repos { |
| 398 | li { |
| 399 | div.name { |
| 400 | a href=(format!("/{}", r.owner)) { (r.owner) } |
| 401 | "/" |
| 402 | a href=(format!("/{}/{}", r.owner, r.name)) { (r.name) } |
| 403 | @if r.is_private { " " span.pill { "private" } } |
| 404 | } |
| 405 | @if !r.description.is_empty() { div.muted { (r.description) } } |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | } |
| 410 | }, |
| 411 | )) |
| 412 | } |
| 413 | |
| 414 | /// `GET /{username}` — a user's profile: their repositories (public to all; |
| 415 | /// private only to themselves or an admin). |
| 416 | async fn user_profile( |
| 417 | State(app): State<App>, |
| 418 | CurrentUser(viewer): CurrentUser, |
| 419 | Path(username): Path<String>, |
| 420 | ) -> Result<Markup, Response> { |
| 421 | let owner = users::find_by_username(&app.db, &username) |
| 422 | .await |
| 423 | .map_err(server_error)? |
| 424 | .ok_or_else(|| not_found("no such user"))?; |
| 425 | let visible: Vec<_> = repos::list_by_owner(&app.db, owner.id) |
| 426 | .await |
| 427 | .map_err(server_error)? |
| 428 | .into_iter() |
| 429 | .filter(|r| access::can_read(r, viewer.as_ref())) |
| 430 | .collect(); |
| 431 | let is_self = viewer.as_ref().is_some_and(|u| u.id == owner.id); |
| 432 | |
| 433 | Ok(layout( |
| 434 | &owner.username, |
| 435 | viewer.as_ref(), |
| 436 | html! { |
| 437 | div style="display:flex;align-items:center" { |
| 438 | h1 style="margin-right:auto" { (owner.username) } |
| 439 | @if is_self { a.btn href="/-/new" { "New repository" } } |
| 440 | } |
| 441 | h2 { "Repositories" } |
| 442 | @if visible.is_empty() { |
| 443 | p.muted { "No repositories." } |
| 444 | } @else { |
| 445 | ul.repo-list { |
| 446 | @for r in &visible { |
| 447 | li { |
| 448 | div.name { |
| 449 | a href=(format!("/{}/{}", owner.username, r.name)) { (r.name) } |
| 450 | @if r.is_private { " " span.pill { "private" } } |
| 451 | } |
| 452 | @if !r.description.is_empty() { div.muted { (r.description) } } |
| 453 | } |
| 454 | } |
| 455 | } |
| 456 | } |
| 457 | }, |
| 458 | )) |
| 459 | } |
| 460 | |
| 461 | #[derive(serde::Deserialize)] |
| 462 | struct AddKeyForm { |
| 463 | #[serde(default)] |
| 464 | title: String, |
| 465 | key: String, |
| 466 | #[serde(default)] |
| 467 | csrf: String, |
| 468 | } |
| 469 | |
| 470 | /// `GET /settings` — account settings: profile + SSH keys. |
| 471 | async fn account_settings( |
| 472 | State(app): State<App>, |
| 473 | CurrentUser(user): CurrentUser, |
| 474 | csrf: Csrf, |
| 475 | ) -> Response { |
| 476 | let Some(user) = user else { |
| 477 | return Redirect::to("/-/login").into_response(); |
| 478 | }; |
| 479 | let keys = match ssh_keys::list_by_user(&app.db, user.id).await { |
| 480 | Ok(keys) => keys, |
| 481 | Err(e) => return server_error(e), |
| 482 | }; |
| 483 | account_page(&user, &keys, None, &csrf.0).into_response() |
| 484 | } |
| 485 | |
| 486 | /// `POST /settings/keys` — register an SSH public key for the current user. |
| 487 | async fn add_ssh_key( |
| 488 | State(app): State<App>, |
| 489 | CurrentUser(user): CurrentUser, |
| 490 | csrf: Csrf, |
| 491 | Form(form): Form<AddKeyForm>, |
| 492 | ) -> Response { |
| 493 | let Some(user) = user else { |
| 494 | return Redirect::to("/-/login").into_response(); |
| 495 | }; |
| 496 | if let Err(resp) = verify_csrf(&csrf, &form.csrf) { |
| 497 | return resp; |
| 498 | } |
| 499 | let result = match ssh_keys::parse_public_key(&form.key) { |
| 500 | Ok((fingerprint, content)) => { |
| 501 | ssh_keys::add(&app.db, user.id, &form.title, &fingerprint, &content) |
| 502 | .await |
| 503 | .map(|_| ()) |
| 504 | } |
| 505 | Err(e) => Err(e), |
| 506 | }; |
| 507 | match result { |
| 508 | Ok(()) => Redirect::to("/-/settings").into_response(), |
| 509 | Err(e) => { |
| 510 | let keys = ssh_keys::list_by_user(&app.db, user.id) |
| 511 | .await |
| 512 | .unwrap_or_default(); |
| 513 | ( |
| 514 | StatusCode::BAD_REQUEST, |
| 515 | account_page(&user, &keys, Some(&e.to_string()), &csrf.0), |
| 516 | ) |
| 517 | .into_response() |
| 518 | } |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | /// `POST /settings/keys/{id}/delete` — remove one of the current user's keys. |
| 523 | async fn delete_ssh_key( |
| 524 | State(app): State<App>, |
| 525 | CurrentUser(user): CurrentUser, |
| 526 | csrf: Csrf, |
| 527 | Path(id): Path<i64>, |
| 528 | Form(form): Form<crate::auth::CsrfForm>, |
| 529 | ) -> Response { |
| 530 | let Some(user) = user else { |
| 531 | return Redirect::to("/-/login").into_response(); |
| 532 | }; |
| 533 | if let Err(resp) = verify_csrf(&csrf, &form.csrf) { |
| 534 | return resp; |
| 535 | } |
| 536 | if let Err(e) = ssh_keys::delete(&app.db, id, user.id).await { |
| 537 | return server_error(e); |
| 538 | } |
| 539 | Redirect::to("/-/settings").into_response() |
| 540 | } |
| 541 | |
| 542 | fn account_page(user: &User, keys: &[SshKey], error: Option<&str>, csrf: &str) -> Markup { |
| 543 | layout( |
| 544 | "Account settings", |
| 545 | Some(user), |
| 546 | html! { |
| 547 | h1 { "Account settings" } |
| 548 | p.muted { |
| 549 | "Signed in as " strong { (user.username) } |
| 550 | @if !user.email.is_empty() { " · " (user.email) } |
| 551 | } |
| 552 | |
| 553 | h2 { "SSH keys" } |
| 554 | p.muted { "Add a public key to clone and push over SSH." } |
| 555 | @if let Some(error) = error { p style="color:#cf222e" { (error) } } |
| 556 | @if keys.is_empty() { |
| 557 | p.muted { "No SSH keys yet." } |
| 558 | } @else { |
| 559 | div.box { |
| 560 | @for k in keys { |
| 561 | div.row { |
| 562 | div { |
| 563 | @if !k.title.is_empty() { strong { (k.title) } " " } |
| 564 | span.sha { (k.fingerprint) } |
| 565 | div.muted style="font-size:12px" { "added " (fmt_time(k.created_at)) } |
| 566 | } |
| 567 | form method="post" action=(format!("/-/settings/keys/{}/delete", k.id)) { |
| 568 | (csrf_input(csrf)) |
| 569 | button.linkbtn type="submit" { "delete" } |
| 570 | } |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | form.stack method="post" action="/-/settings/keys" style="margin-top:16px" { |
| 577 | (csrf_input(csrf)) |
| 578 | p { label { "Title" br; input type="text" name="title" placeholder="laptop"; } } |
| 579 | p { label { "Public key" br; textarea name="key" rows="4" placeholder="ssh-ed25519 AAAA…" {} } } |
| 580 | p { button.btn type="submit" { "Add SSH key" } } |
| 581 | } |
| 582 | }, |
| 583 | ) |
| 584 | } |
| 585 | |
| 586 | fn forbidden() -> Response { |
| 587 | ( |
| 588 | StatusCode::FORBIDDEN, |
| 589 | layout( |
| 590 | "Forbidden", |
| 591 | None, |
| 592 | html! { h1 { "Forbidden" } p.muted { "You don't have access to this." } }, |
| 593 | ), |
| 594 | ) |
| 595 | .into_response() |
| 596 | } |
| 597 | |
| 598 | #[derive(serde::Deserialize)] |
| 599 | struct NewRepoForm { |
| 600 | name: String, |
| 601 | #[serde(default)] |
| 602 | description: String, |
| 603 | private: Option<String>, |
| 604 | #[serde(default)] |
| 605 | csrf: String, |
| 606 | } |
| 607 | |
| 608 | #[derive(serde::Deserialize)] |
| 609 | struct SettingsForm { |
| 610 | #[serde(default)] |
| 611 | description: String, |
| 612 | private: Option<String>, |
| 613 | #[serde(default)] |
| 614 | csrf: String, |
| 615 | } |
| 616 | |
| 617 | /// `GET /new` — new-repository form (requires login). |
| 618 | async fn new_repo_form(CurrentUser(user): CurrentUser, csrf: Csrf) -> Response { |
| 619 | let Some(user) = user else { |
| 620 | return Redirect::to("/-/login").into_response(); |
| 621 | }; |
| 622 | new_repo_page(&user, None, "", "", false, &csrf.0).into_response() |
| 623 | } |
| 624 | |
| 625 | /// `POST /new` — create a repository owned by the current user. |
| 626 | async fn new_repo_submit( |
| 627 | State(app): State<App>, |
| 628 | CurrentUser(user): CurrentUser, |
| 629 | csrf: Csrf, |
| 630 | Form(form): Form<NewRepoForm>, |
| 631 | ) -> Response { |
| 632 | let Some(user) = user else { |
| 633 | return Redirect::to("/-/login").into_response(); |
| 634 | }; |
| 635 | if let Err(resp) = verify_csrf(&csrf, &form.csrf) { |
| 636 | return resp; |
| 637 | } |
| 638 | let private = form.private.is_some(); |
| 639 | match repos::create( |
| 640 | &app.db, |
| 641 | &app.config.repositories_dir(), |
| 642 | &user, |
| 643 | &form.name, |
| 644 | &form.description, |
| 645 | private, |
| 646 | ) |
| 647 | .await |
| 648 | { |
| 649 | Ok(repo) => Redirect::to(&format!("/{}/{}", user.username, repo.name)).into_response(), |
| 650 | Err(e) => ( |
| 651 | StatusCode::BAD_REQUEST, |
| 652 | new_repo_page( |
| 653 | &user, |
| 654 | Some(&e.to_string()), |
| 655 | &form.name, |
| 656 | &form.description, |
| 657 | private, |
| 658 | &csrf.0, |
| 659 | ), |
| 660 | ) |
| 661 | .into_response(), |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | fn new_repo_page( |
| 666 | user: &User, |
| 667 | error: Option<&str>, |
| 668 | name: &str, |
| 669 | description: &str, |
| 670 | private: bool, |
| 671 | csrf: &str, |
| 672 | ) -> Markup { |
| 673 | layout( |
| 674 | "New repository", |
| 675 | Some(user), |
| 676 | html! { |
| 677 | h1 { "New repository" } |
| 678 | @if let Some(error) = error { p style="color:#cf222e" { (error) } } |
| 679 | form.stack method="post" action="/-/new" { |
| 680 | (csrf_input(csrf)) |
| 681 | p { label { "Name" br; input type="text" name="name" value=(name) placeholder="my-project" autofocus; } } |
| 682 | p { label { "Description" br; input type="text" name="description" value=(description); } } |
| 683 | p { label.check { input type="checkbox" name="private" value="on" checked[private]; span { "Private — only you can see and push to it" } } } |
| 684 | p { button.btn type="submit" { "Create repository" } } |
| 685 | } |
| 686 | p.muted { "It will be created at " code { (user.username) "/" (if name.is_empty() { "<name>" } else { name }) } "." } |
| 687 | }, |
| 688 | ) |
| 689 | } |
| 690 | |
| 691 | /// Load a repo for an owner-only settings action, enforcing write access. |
| 692 | async fn resolve_for_settings( |
| 693 | app: &App, |
| 694 | viewer: Option<&User>, |
| 695 | owner: &str, |
| 696 | name: &str, |
| 697 | ) -> Result<Repository, Response> { |
| 698 | let owner_user = users::find_by_username(&app.db, owner) |
| 699 | .await |
| 700 | .map_err(server_error)? |
| 701 | .ok_or_else(|| not_found("no such repository"))?; |
| 702 | let repo = repos::find(&app.db, owner_user.id, name) |
| 703 | .await |
| 704 | .map_err(server_error)? |
| 705 | .ok_or_else(|| not_found("no such repository"))?; |
| 706 | if !access::can_read(&repo, viewer) { |
| 707 | return Err(not_found("no such repository")); |
| 708 | } |
| 709 | if !access::can_write(&repo, viewer) { |
| 710 | return Err(forbidden()); |
| 711 | } |
| 712 | Ok(repo) |
| 713 | } |
| 714 | |
| 715 | /// `GET /{owner}/{repo}/settings` — owner-only repository settings. |
| 716 | async fn repo_settings( |
| 717 | State(app): State<App>, |
| 718 | CurrentUser(user): CurrentUser, |
| 719 | csrf: Csrf, |
| 720 | Path((owner, repo)): Path<(String, String)>, |
| 721 | ) -> Response { |
| 722 | let meta = match resolve_for_settings(&app, user.as_ref(), &owner, &repo).await { |
| 723 | Ok(m) => m, |
| 724 | Err(resp) => return resp, |
| 725 | }; |
| 726 | settings_page(user.as_ref(), &owner, &repo, &meta, None, &csrf.0).into_response() |
| 727 | } |
| 728 | |
| 729 | /// `POST /{owner}/{repo}/settings` — update description / visibility. |
| 730 | async fn repo_settings_submit( |
| 731 | State(app): State<App>, |
| 732 | CurrentUser(user): CurrentUser, |
| 733 | csrf: Csrf, |
| 734 | Path((owner, repo)): Path<(String, String)>, |
| 735 | Form(form): Form<SettingsForm>, |
| 736 | ) -> Response { |
| 737 | let meta = match resolve_for_settings(&app, user.as_ref(), &owner, &repo).await { |
| 738 | Ok(m) => m, |
| 739 | Err(resp) => return resp, |
| 740 | }; |
| 741 | if let Err(resp) = verify_csrf(&csrf, &form.csrf) { |
| 742 | return resp; |
| 743 | } |
| 744 | if let Err(e) = |
| 745 | repos::update_settings(&app.db, meta.id, &form.description, form.private.is_some()).await |
| 746 | { |
| 747 | return server_error(e); |
| 748 | } |
| 749 | Redirect::to(&format!("/{owner}/{repo}")).into_response() |
| 750 | } |
| 751 | |
| 752 | fn settings_page( |
| 753 | user: Option<&User>, |
| 754 | owner: &str, |
| 755 | repo: &str, |
| 756 | meta: &Repository, |
| 757 | error: Option<&str>, |
| 758 | csrf: &str, |
| 759 | ) -> Markup { |
| 760 | layout( |
| 761 | &format!("{owner}/{repo}: settings"), |
| 762 | user, |
| 763 | html! { |
| 764 | h1 { a href=(format!("/{owner}/{repo}")) { (owner) "/" (repo) } " · settings" } |
| 765 | @if let Some(error) = error { p style="color:#cf222e" { (error) } } |
| 766 | form.stack method="post" action=(format!("/{owner}/{repo}/settings")) { |
| 767 | (csrf_input(csrf)) |
| 768 | p { label { "Description" br; input type="text" name="description" value=(meta.description); } } |
| 769 | p { label.check { input type="checkbox" name="private" value="on" checked[meta.is_private]; span { "Private — only you can see and push to it" } } } |
| 770 | p { button.btn type="submit" { "Save changes" } } |
| 771 | } |
| 772 | }, |
| 773 | ) |
| 774 | } |
| 775 | |
| 776 | fn clone_box(app: &App, owner: &str, name: &str) -> Markup { |
| 777 | let http = app.config.http_clone_url(owner, name); |
| 778 | let ssh = app |
| 779 | .config |
| 780 | .ssh |
| 781 | .enabled |
| 782 | .then(|| app.config.ssh_clone_url(owner, name)); |
| 783 | html! { |
| 784 | div.clone data-http=(format!("git clone {http}")) data-ssh=[ssh.as_ref().map(|s| format!("git clone {s}"))] { |
| 785 | div.clone-head { |
| 786 | span.muted { "Clone" } |
| 787 | div.clone-tabs { |
| 788 | button.clone-tab.active type="button" data-proto="http" { "HTTP" } |
| 789 | @if ssh.is_some() { |
| 790 | button.clone-tab type="button" data-proto="ssh" { "SSH" } |
| 791 | } |
| 792 | } |
| 793 | } |
| 794 | div.clone-cmd { |
| 795 | code { "git clone " (http) } |
| 796 | button.copy-btn type="button" title="Copy to clipboard" aria-label="Copy" { |
| 797 | (PreEscaped(CLIPBOARD_SVG)) |
| 798 | } |
| 799 | span.copied-msg { "Copied!" } |
| 800 | } |
| 801 | } |
| 802 | } |
| 803 | } |
| 804 | |
| 805 | /// `GET /{owner}/{repo}` — repository overview with the root tree. |
| 806 | async fn repo_index( |
| 807 | State(app): State<App>, |
| 808 | CurrentUser(user): CurrentUser, |
| 809 | Path((owner, repo)): Path<(String, String)>, |
| 810 | ) -> Result<Markup, Response> { |
| 811 | let (path, meta) = resolve_repo(&app, user.as_ref(), &owner, &repo).await?; |
| 812 | let overview = browse::overview(&path).map_err(server_error)?; |
| 813 | |
| 814 | let can_write = access::can_write(&meta, user.as_ref()); |
| 815 | let header = html! { |
| 816 | div style="display:flex;align-items:center;gap:8px" { |
| 817 | h1 style="margin-right:auto" { |
| 818 | a href=(format!("/{owner}")) { (owner) } " / " (repo) |
| 819 | @if meta.is_private { " " span.pill { "private" } } |
| 820 | } |
| 821 | span.repo-nav { |
| 822 | a href=(format!("/{owner}/{repo}/ci")) { "CI" } |
| 823 | " · " |
| 824 | a href=(format!("/{owner}/{repo}/pages")) { "Pages" } |
| 825 | @if can_write { |
| 826 | " · " |
| 827 | a href=(format!("/{owner}/{repo}/settings")) { "Settings" } |
| 828 | } |
| 829 | } |
| 830 | } |
| 831 | @if !meta.description.is_empty() { p.muted { (meta.description) } } |
| 832 | p { |
| 833 | span.pill { (overview.branches.len()) " branches" } |
| 834 | " " |
| 835 | span.pill { (overview.tags.len()) " tags" } |
| 836 | } |
| 837 | (clone_box(&app, &owner, &repo)) |
| 838 | }; |
| 839 | |
| 840 | if overview.is_empty { |
| 841 | return Ok(layout( |
| 842 | &format!("{owner}/{repo}"), |
| 843 | user.as_ref(), |
| 844 | html! { |
| 845 | (header) |
| 846 | p.muted { "This repository is empty. Push to it to get started." } |
| 847 | }, |
| 848 | )); |
| 849 | } |
| 850 | |
| 851 | let rev = overview |
| 852 | .default_branch |
| 853 | .clone() |
| 854 | .unwrap_or_else(|| "HEAD".to_string()); |
| 855 | let entries = browse::list_tree(&path, &rev, "").map_err(server_error)?; |
| 856 | let latest = browse::commit_log(&path, &rev, 1) |
| 857 | .map_err(server_error)? |
| 858 | .into_iter() |
| 859 | .next(); |
| 860 | // Best-effort: a failed walk only costs the per-entry annotations. |
| 861 | let entry_commits = |
| 862 | browse::latest_entry_commits(&path, &rev, "", ENTRY_LOG_WALK).unwrap_or_default(); |
| 863 | |
| 864 | Ok(layout( |
| 865 | &format!("{owner}/{repo}"), |
| 866 | user.as_ref(), |
| 867 | html! { |
| 868 | (header) |
| 869 | p { |
| 870 | (rev_switcher(&owner, &repo, &rev, &overview)) |
| 871 | " · " |
| 872 | a href=(format!("/{owner}/{repo}/commits/{}", enc_ref(&rev))) { "commits" } |
| 873 | } |
| 874 | @if let Some(c) = &latest { |
| 875 | div.latest-commit { |
| 876 | a.sha href=(format!("/{owner}/{repo}/commit/{}", c.id)) { (c.short) } |
| 877 | a href=(format!("/{owner}/{repo}/commit/{}", c.id)) { (c.summary) } |
| 878 | span.muted style="margin-left:auto" { (c.author) " · " (fmt_time(c.time)) } |
| 879 | } |
| 880 | } |
| 881 | (tree_table(&owner, &repo, &rev, "", &entries, &entry_commits)) |
| 882 | }, |
| 883 | )) |
| 884 | } |
| 885 | |
| 886 | async fn tree_root( |
| 887 | State(app): State<App>, |
| 888 | user: CurrentUser, |
| 889 | Path((owner, repo, rev)): Path<(String, String, String)>, |
| 890 | ) -> Result<Markup, Response> { |
| 891 | render_tree(&app, user, &owner, &repo, &rev, "").await |
| 892 | } |
| 893 | |
| 894 | async fn tree_path( |
| 895 | State(app): State<App>, |
| 896 | user: CurrentUser, |
| 897 | Path((owner, repo, rev, path)): Path<(String, String, String, String)>, |
| 898 | ) -> Result<Markup, Response> { |
| 899 | render_tree(&app, user, &owner, &repo, &rev, &path).await |
| 900 | } |
| 901 | |
| 902 | async fn render_tree( |
| 903 | app: &App, |
| 904 | CurrentUser(user): CurrentUser, |
| 905 | owner: &str, |
| 906 | repo: &str, |
| 907 | rev: &str, |
| 908 | path: &str, |
| 909 | ) -> Result<Markup, Response> { |
| 910 | let (repo_path, _) = resolve_repo(app, user.as_ref(), owner, repo).await?; |
| 911 | let overview = browse::overview(&repo_path).map_err(server_error)?; |
| 912 | let entries = browse::list_tree(&repo_path, rev, path).map_err(server_error)?; |
| 913 | // Best-effort: a failed walk only costs the per-entry annotations. |
| 914 | let entry_commits = |
| 915 | browse::latest_entry_commits(&repo_path, rev, path, ENTRY_LOG_WALK).unwrap_or_default(); |
| 916 | Ok(layout( |
| 917 | &format!("{owner}/{repo}: {path}"), |
| 918 | user.as_ref(), |
| 919 | html! { |
| 920 | h1 { a href=(format!("/{owner}/{repo}")) { (owner) "/" (repo) } } |
| 921 | p { (rev_switcher(owner, repo, rev, &overview)) } |
| 922 | (breadcrumbs(owner, repo, rev, path, false)) |
| 923 | (tree_table(owner, repo, rev, path, &entries, &entry_commits)) |
| 924 | }, |
| 925 | )) |
| 926 | } |
| 927 | |
| 928 | /// `GET /{owner}/{repo}/blob/{rev}/{*path}` — view a file. Markdown renders |
| 929 | /// by default; `?plain=1` shows the raw source (toggle links on the page). |
| 930 | async fn blob( |
| 931 | State(app): State<App>, |
| 932 | CurrentUser(user): CurrentUser, |
| 933 | Path((owner, repo, rev, path)): Path<(String, String, String, String)>, |
| 934 | Query(query): Query<HashMap<String, String>>, |
| 935 | ) -> Result<Markup, Response> { |
| 936 | let (repo_path, _) = resolve_repo(&app, user.as_ref(), &owner, &repo).await?; |
| 937 | let (oid, bytes) = browse::read_blob_with_id(&repo_path, &rev, &path) |
| 938 | .map_err(server_error)? |
| 939 | .ok_or_else(|| not_found("file not found"))?; |
| 940 | |
| 941 | let markdown = is_markdown(&path) && !is_binary(&bytes); |
| 942 | let rendered = markdown && !query.contains_key("plain"); |
| 943 | |
| 944 | let body = if is_binary(&bytes) { |
| 945 | html! { p.muted { "Binary file (" (bytes.len()) " bytes)" } } |
| 946 | } else if rendered { |
| 947 | let text = String::from_utf8_lossy(&bytes); |
| 948 | html! { div.md-body { (render_markdown(&text)) } } |
| 949 | } else { |
| 950 | let text = String::from_utf8_lossy(&bytes); |
| 951 | let budget = app.config.http.highlight_cache_mb.saturating_mul(1 << 20); |
| 952 | let lines = cached_highlight(budget, &oid, &path, &text); |
| 953 | html! { |
| 954 | table.code { |
| 955 | @for (i, line) in lines.iter().enumerate() { |
| 956 | tr { |
| 957 | td.ln { (i + 1) } |
| 958 | td { (PreEscaped(line)) } |
| 959 | } |
| 960 | } |
| 961 | } |
| 962 | } |
| 963 | }; |
| 964 | |
| 965 | let blob_url = format!("/{owner}/{repo}/blob/{}/{path}", enc_ref(&rev)); |
| 966 | Ok(layout( |
| 967 | &format!("{owner}/{repo}: {path}"), |
| 968 | user.as_ref(), |
| 969 | html! { |
| 970 | h1 { a href=(format!("/{owner}/{repo}")) { (owner) "/" (repo) } } |
| 971 | (breadcrumbs(&owner, &repo, &rev, &path, true)) |
| 972 | @if markdown { |
| 973 | p.view-toggle { |
| 974 | span.pill-group { |
| 975 | @if rendered { |
| 976 | span.pill.active { "Rendered" } |
| 977 | a.pill href=(format!("{blob_url}?plain=1")) { "Source" } |
| 978 | } @else { |
| 979 | a.pill href=(blob_url) { "Rendered" } |
| 980 | span.pill.active { "Source" } |
| 981 | } |
| 982 | } |
| 983 | } |
| 984 | } |
| 985 | div.box style="overflow-x:auto" { (body) } |
| 986 | }, |
| 987 | )) |
| 988 | } |
| 989 | |
| 990 | /// Whether a path should be treated as markdown (by extension). |
| 991 | fn is_markdown(path: &str) -> bool { |
| 992 | std::path::Path::new(path) |
| 993 | .extension() |
| 994 | .and_then(|e| e.to_str()) |
| 995 | .is_some_and(|e| e.eq_ignore_ascii_case("md") || e.eq_ignore_ascii_case("markdown")) |
| 996 | } |
| 997 | |
| 998 | /// Render markdown to HTML (tables, strikethrough, task lists, footnotes). |
| 999 | /// |
| 1000 | /// Repo content is untrusted, so this is a stored-XSS surface: raw HTML in the |
| 1001 | /// source is emitted as escaped literal text, and `javascript:`/`data:`-style |
| 1002 | /// link and image destinations are dropped. |
| 1003 | fn render_markdown(text: &str) -> Markup { |
| 1004 | use pulldown_cmark::{ |
| 1005 | Event, |
| 1006 | Options, |
| 1007 | Parser, |
| 1008 | Tag, |
| 1009 | html, |
| 1010 | }; |
| 1011 | |
| 1012 | fn safe_url(dest: &str) -> bool { |
| 1013 | let d = dest.trim().to_ascii_lowercase(); |
| 1014 | !(d.starts_with("javascript:") || d.starts_with("data:") || d.starts_with("vbscript:")) |
| 1015 | } |
| 1016 | |
| 1017 | let opts = Options::ENABLE_TABLES |
| 1018 | | Options::ENABLE_STRIKETHROUGH |
| 1019 | | Options::ENABLE_TASKLISTS |
| 1020 | | Options::ENABLE_FOOTNOTES; |
| 1021 | let events = Parser::new_ext(text, opts).map(|ev| match ev { |
| 1022 | Event::Html(h) => Event::Text(h), |
| 1023 | Event::InlineHtml(h) => Event::Text(h), |
| 1024 | Event::Start(Tag::Link { |
| 1025 | link_type, |
| 1026 | dest_url, |
| 1027 | title, |
| 1028 | id, |
| 1029 | }) if !safe_url(&dest_url) => Event::Start(Tag::Link { |
| 1030 | link_type, |
| 1031 | dest_url: "".into(), |
| 1032 | title, |
| 1033 | id, |
| 1034 | }), |
| 1035 | Event::Start(Tag::Image { |
| 1036 | link_type, |
| 1037 | dest_url, |
| 1038 | title, |
| 1039 | id, |
| 1040 | }) if !safe_url(&dest_url) => Event::Start(Tag::Image { |
| 1041 | link_type, |
| 1042 | dest_url: "".into(), |
| 1043 | title, |
| 1044 | id, |
| 1045 | }), |
| 1046 | e => e, |
| 1047 | }); |
| 1048 | let mut out = String::new(); |
| 1049 | html::push_html(&mut out, events); |
| 1050 | PreEscaped(out) |
| 1051 | } |
| 1052 | |
| 1053 | /// How far back the per-entry "latest commit" walk looks. Entries last touched |
| 1054 | /// beyond this many commits just lose the annotation. |
| 1055 | const ENTRY_LOG_WALK: usize = 400; |
| 1056 | |
| 1057 | /// Percent-encode a ref name for use as one path segment in a URL. Axum |
| 1058 | /// matches routes before decoding, so an encoded `/` keeps a branch like |
| 1059 | /// `feat/x` inside the single `{rev}` segment. |
| 1060 | fn enc_ref(name: &str) -> String { |
| 1061 | name.replace('%', "%25") |
| 1062 | .replace('/', "%2F") |
| 1063 | .replace('?', "%3F") |
| 1064 | .replace('#', "%23") |
| 1065 | } |
| 1066 | |
| 1067 | /// Branch/tag switcher: a dropdown over the current rev linking each ref to |
| 1068 | /// its tree view. Branch names, tag names, and commit ids all work as `rev`. |
| 1069 | fn rev_switcher(owner: &str, repo: &str, rev: &str, overview: &browse::Overview) -> Markup { |
| 1070 | html! { |
| 1071 | details.nav-menu.rev-menu { |
| 1072 | summary { span.pill { (rev) } } |
| 1073 | div.nav-dropdown.left { |
| 1074 | @if !overview.branches.is_empty() { |
| 1075 | div.dd-head { "Branches" } |
| 1076 | @for b in &overview.branches { |
| 1077 | a.current[b == rev] href=(format!("/{owner}/{repo}/tree/{}", enc_ref(b))) { (b) } |
| 1078 | } |
| 1079 | } |
| 1080 | @if !overview.tags.is_empty() { |
| 1081 | div.dd-head { "Tags" } |
| 1082 | @for t in &overview.tags { |
| 1083 | a.current[t == rev] href=(format!("/{owner}/{repo}/tree/{}", enc_ref(t))) { (t) } |
| 1084 | } |
| 1085 | } |
| 1086 | } |
| 1087 | } |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | /// Render a tree listing as a box of rows; directories link to `tree`, files to |
| 1092 | /// `blob`. Each entry also shows the subject of (and links to) the latest |
| 1093 | /// commit that touched it, when `latest` has one for it. |
| 1094 | fn tree_table( |
| 1095 | owner: &str, |
| 1096 | repo: &str, |
| 1097 | rev: &str, |
| 1098 | path: &str, |
| 1099 | entries: &[browse::TreeEntry], |
| 1100 | latest: &BTreeMap<String, browse::CommitInfo>, |
| 1101 | ) -> Markup { |
| 1102 | let join = |name: &str| { |
| 1103 | if path.is_empty() { |
| 1104 | name.to_string() |
| 1105 | } else { |
| 1106 | format!("{path}/{name}") |
| 1107 | } |
| 1108 | }; |
| 1109 | html! { |
| 1110 | div.box { |
| 1111 | @if !path.is_empty() { |
| 1112 | div.row { |
| 1113 | a.entry href=(parent_link(owner, repo, rev, path)) { span.icon { ".." } "up" } |
| 1114 | } |
| 1115 | } |
| 1116 | @for e in entries { |
| 1117 | @let child = join(&e.name); |
| 1118 | @let kind = if e.is_dir { "tree" } else { "blob" }; |
| 1119 | div.row { |
| 1120 | a.entry href=(format!("/{owner}/{repo}/{kind}/{}/{child}", enc_ref(rev))) { |
| 1121 | @if e.is_dir { |
| 1122 | span.icon.dir { (PreEscaped(FOLDER_SVG)) } |
| 1123 | } @else { |
| 1124 | span.icon { (PreEscaped(FILE_SVG)) } |
| 1125 | } |
| 1126 | (e.name) @if e.is_dir { "/" } |
| 1127 | } |
| 1128 | @if let Some(c) = latest.get(&e.name) { |
| 1129 | a.fc-msg href=(format!("/{owner}/{repo}/commit/{}", c.id)) title=(c.summary) { (c.summary) } |
| 1130 | span.fc-time { (fmt_date(c.time)) } |
| 1131 | } |
| 1132 | } |
| 1133 | } |
| 1134 | } |
| 1135 | } |
| 1136 | } |
| 1137 | |
| 1138 | fn parent_link(owner: &str, repo: &str, rev: &str, path: &str) -> String { |
| 1139 | match path.rsplit_once('/') { |
| 1140 | Some((parent, _)) => format!("/{owner}/{repo}/tree/{}/{parent}", enc_ref(rev)), |
| 1141 | None => format!("/{owner}/{repo}/tree/{}", enc_ref(rev)), |
| 1142 | } |
| 1143 | } |
| 1144 | |
| 1145 | /// Path breadcrumbs. `is_blob` marks the final component as a file. |
| 1146 | fn breadcrumbs(owner: &str, repo: &str, rev: &str, path: &str, is_blob: bool) -> Markup { |
| 1147 | // Precompute (label, cumulative_path) for each path component. |
| 1148 | let mut crumbs: Vec<(String, String)> = Vec::new(); |
| 1149 | let mut acc = String::new(); |
| 1150 | for part in path.split('/').filter(|p| !p.is_empty()) { |
| 1151 | if !acc.is_empty() { |
| 1152 | acc.push('/'); |
| 1153 | } |
| 1154 | acc.push_str(part); |
| 1155 | crumbs.push((part.to_string(), acc.clone())); |
| 1156 | } |
| 1157 | let last = crumbs.len(); |
| 1158 | html! { |
| 1159 | div.crumbs { |
| 1160 | a href=(format!("/{owner}/{repo}/tree/{}", enc_ref(rev))) { (rev) } |
| 1161 | @for (i, (label, cum)) in crumbs.iter().enumerate() { |
| 1162 | " / " |
| 1163 | @if i + 1 == last && is_blob { |
| 1164 | span { (label) } |
| 1165 | } @else { |
| 1166 | a href=(format!("/{owner}/{repo}/tree/{}/{cum}", enc_ref(rev))) { (label) } |
| 1167 | } |
| 1168 | } |
| 1169 | } |
| 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | /// `GET /{owner}/{repo}/commits/{rev}` — commit history. |
| 1174 | async fn commits( |
| 1175 | State(app): State<App>, |
| 1176 | CurrentUser(user): CurrentUser, |
| 1177 | Path((owner, repo, rev)): Path<(String, String, String)>, |
| 1178 | ) -> Result<Markup, Response> { |
| 1179 | let (path, meta) = resolve_repo(&app, user.as_ref(), &owner, &repo).await?; |
| 1180 | let log = browse::commit_log(&path, &rev, 100).map_err(server_error)?; |
| 1181 | |
| 1182 | // Map each commit oid to its latest run status, for inline badges. One query |
| 1183 | // for the repo's recent runs; first match wins (list is newest-first). |
| 1184 | let runs = ci::list_by_repo(&app.db, meta.id, 200) |
| 1185 | .await |
| 1186 | .unwrap_or_default(); |
| 1187 | let mut status_of: HashMap<&str, &str> = HashMap::new(); |
| 1188 | for r in &runs { |
| 1189 | status_of |
| 1190 | .entry(r.commit.as_str()) |
| 1191 | .or_insert(r.status.as_str()); |
| 1192 | } |
| 1193 | |
| 1194 | Ok(layout( |
| 1195 | &format!("{owner}/{repo}: commits"), |
| 1196 | user.as_ref(), |
| 1197 | html! { |
| 1198 | h1 { a href=(format!("/{owner}/{repo}")) { (owner) "/" (repo) } " · commits" } |
| 1199 | ul.commit-list { |
| 1200 | @for c in &log { |
| 1201 | li { |
| 1202 | a.sha href=(format!("/{owner}/{repo}/commit/{}", c.id)) { (c.short) } |
| 1203 | @if let Some(st) = status_of.get(c.id.as_str()) { |
| 1204 | a href=(format!("/{owner}/{repo}/ci")) { (status_badge(st)) } |
| 1205 | } |
| 1206 | span { (c.summary) } |
| 1207 | span.muted style="margin-left:auto" { (c.author) " · " (fmt_time(c.time)) } |
| 1208 | } |
| 1209 | } |
| 1210 | } |
| 1211 | }, |
| 1212 | )) |
| 1213 | } |
| 1214 | |
| 1215 | /// `GET /{owner}/{repo}/commit/{id}` — a commit with its diff. |
| 1216 | async fn commit( |
| 1217 | State(app): State<App>, |
| 1218 | CurrentUser(user): CurrentUser, |
| 1219 | Path((owner, repo, id)): Path<(String, String, String)>, |
| 1220 | ) -> Result<Markup, Response> { |
| 1221 | let (path, _) = resolve_repo(&app, user.as_ref(), &owner, &repo).await?; |
| 1222 | let detail = browse::commit_detail(&path, &id).map_err(server_error)?; |
| 1223 | Ok(layout( |
| 1224 | &format!("{owner}/{repo}: {}", detail.info.short), |
| 1225 | user.as_ref(), |
| 1226 | html! { |
| 1227 | h1 { a href=(format!("/{owner}/{repo}")) { (owner) "/" (repo) } " · " span.sha { (detail.info.short) } } |
| 1228 | p { (detail.info.summary) } |
| 1229 | p.muted { |
| 1230 | (detail.info.author) " · " (fmt_time(detail.info.time)) " · " |
| 1231 | span.sha { (detail.info.id) } |
| 1232 | @if let Some(parent) = &detail.parent { |
| 1233 | " · parent " a.sha href=(format!("/{owner}/{repo}/commit/{parent}")) { (&parent[..parent.len().min(8)]) } |
| 1234 | } |
| 1235 | " · " |
| 1236 | a href=(format!("/{owner}/{repo}/tree/{}", detail.info.id)) { "browse files" } |
| 1237 | } |
| 1238 | @if detail.changes.is_empty() { |
| 1239 | p.muted { "No file changes." } |
| 1240 | } |
| 1241 | @for change in &detail.changes { |
| 1242 | (render_file_diff(change)) |
| 1243 | } |
| 1244 | }, |
| 1245 | )) |
| 1246 | } |
| 1247 | |
| 1248 | /// `GET /{owner}/{repo}/ci` — recent CI runs for the repository. |
| 1249 | async fn ci_runs( |
| 1250 | State(app): State<App>, |
| 1251 | CurrentUser(user): CurrentUser, |
| 1252 | Path((owner, repo)): Path<(String, String)>, |
| 1253 | ) -> Result<Markup, Response> { |
| 1254 | let (_, meta) = resolve_repo(&app, user.as_ref(), &owner, &repo).await?; |
| 1255 | let runs = ci::list_by_repo(&app.db, meta.id, 100) |
| 1256 | .await |
| 1257 | .map_err(server_error)?; |
| 1258 | Ok(layout( |
| 1259 | &format!("{owner}/{repo}: CI"), |
| 1260 | user.as_ref(), |
| 1261 | html! { |
| 1262 | h1 { a href=(format!("/{owner}/{repo}")) { (owner) "/" (repo) } " · CI" } |
| 1263 | @if runs.is_empty() { |
| 1264 | p.muted { |
| 1265 | "No CI runs yet. Add a " code { ".anvil/ci.yml" } |
| 1266 | " pipeline and push to trigger one." |
| 1267 | } |
| 1268 | } @else { |
| 1269 | div.box { |
| 1270 | @for r in &runs { |
| 1271 | div.row { |
| 1272 | a.entry href=(format!("/{owner}/{repo}/ci/{}", r.id)) { |
| 1273 | (status_badge(&r.status)) |
| 1274 | span.sha { (short_commit(&r.commit)) } |
| 1275 | span { (r.ref_name) } |
| 1276 | } |
| 1277 | span.muted { (fmt_time(r.created_at)) } |
| 1278 | } |
| 1279 | } |
| 1280 | } |
| 1281 | } |
| 1282 | }, |
| 1283 | )) |
| 1284 | } |
| 1285 | |
| 1286 | /// `GET /{owner}/{repo}/ci/{id}` — one run's status, timing, and log output. |
| 1287 | async fn ci_run( |
| 1288 | State(app): State<App>, |
| 1289 | CurrentUser(user): CurrentUser, |
| 1290 | Path((owner, repo, id)): Path<(String, String, i64)>, |
| 1291 | ) -> Result<Markup, Response> { |
| 1292 | let (_, meta) = resolve_repo(&app, user.as_ref(), &owner, &repo).await?; |
| 1293 | let run = ci::get(&app.db, id) |
| 1294 | .await |
| 1295 | .map_err(server_error)? |
| 1296 | .filter(|r| r.repo_id == meta.id) |
| 1297 | .ok_or_else(|| not_found("no such CI run"))?; |
| 1298 | Ok(layout( |
| 1299 | &format!("{owner}/{repo}: CI #{}", run.id), |
| 1300 | user.as_ref(), |
| 1301 | html! { |
| 1302 | h1 { |
| 1303 | a href=(format!("/{owner}/{repo}")) { (owner) "/" (repo) } |
| 1304 | " · " a href=(format!("/{owner}/{repo}/ci")) { "CI" } |
| 1305 | " · #" (run.id) |
| 1306 | } |
| 1307 | p { |
| 1308 | (status_badge(&run.status)) |
| 1309 | " " |
| 1310 | a.sha href=(format!("/{owner}/{repo}/commit/{}", run.commit)) { (short_commit(&run.commit)) } |
| 1311 | " " span.muted { (run.ref_name) } |
| 1312 | } |
| 1313 | p.muted { |
| 1314 | "queued " (fmt_time(run.created_at)) |
| 1315 | @if run.started_at > 0 { " · started " (fmt_time(run.started_at)) } |
| 1316 | @if run.finished_at > 0 { " · finished " (fmt_time(run.finished_at)) } |
| 1317 | @if let Some(d) = run_duration(&run) { " · took " (d) } |
| 1318 | } |
| 1319 | @if run.log.is_empty() { |
| 1320 | p.muted { "No output yet." } |
| 1321 | } @else { |
| 1322 | pre.log { (run.log) } |
| 1323 | } |
| 1324 | }, |
| 1325 | )) |
| 1326 | } |
| 1327 | |
| 1328 | /// A coloured status pill for a CI run status string. |
| 1329 | fn status_badge(status: &str) -> Markup { |
| 1330 | html! { span class=(format!("st {status}")) { (status) } } |
| 1331 | } |
| 1332 | |
| 1333 | /// First 8 hex chars of a commit oid (for compact display). |
| 1334 | fn short_commit(commit: &str) -> &str { |
| 1335 | &commit[..commit.len().min(8)] |
| 1336 | } |
| 1337 | |
| 1338 | /// Wall-clock run duration (`started`→`finished`) as a short string, if known. |
| 1339 | fn run_duration(run: &CiRun) -> Option<String> { |
| 1340 | if run.started_at > 0 && run.finished_at >= run.started_at { |
| 1341 | Some(format!("{}s", run.finished_at - run.started_at)) |
| 1342 | } else { |
| 1343 | None |
| 1344 | } |
| 1345 | } |
| 1346 | |
| 1347 | /// Render one file's diff (added/deleted/modified) as a unified line diff. |
| 1348 | /// A file diff bigger than this many rows starts collapsed (its header still |
| 1349 | /// shows the +/− counts; clicking expands it — native `details`, no JS). |
| 1350 | const DIFF_COLLAPSE_ROWS: usize = 400; |
| 1351 | |
| 1352 | fn render_file_diff(change: &FileChange) -> Markup { |
| 1353 | let (badge_cls, badge) = match change.kind { |
| 1354 | ChangeKind::Added => ("add", "added"), |
| 1355 | ChangeKind::Deleted => ("del", "deleted"), |
| 1356 | ChangeKind::Modified => ("mod", "modified"), |
| 1357 | }; |
| 1358 | let head = |stat: Markup| { |
| 1359 | html! { |
| 1360 | summary.head { |
| 1361 | span class=(format!("badge {badge_cls}")) { (badge) } |
| 1362 | span { (change.path) } |
| 1363 | span.stat { (stat) } |
| 1364 | } |
| 1365 | } |
| 1366 | }; |
| 1367 | |
| 1368 | let binary = change.old.as_deref().is_some_and(is_binary) |
| 1369 | || change.new.as_deref().is_some_and(is_binary); |
| 1370 | if binary { |
| 1371 | return html! { |
| 1372 | details.file-diff open { |
| 1373 | (head(html! { span.muted { "binary" } })) |
| 1374 | div.box { div.row { span.muted { "Binary file" } } } |
| 1375 | } |
| 1376 | }; |
| 1377 | } |
| 1378 | |
| 1379 | let old = change |
| 1380 | .old |
| 1381 | .as_deref() |
| 1382 | .map(|b| String::from_utf8_lossy(b).into_owned()) |
| 1383 | .unwrap_or_default(); |
| 1384 | let new = change |
| 1385 | .new |
| 1386 | .as_deref() |
| 1387 | .map(|b| String::from_utf8_lossy(b).into_owned()) |
| 1388 | .unwrap_or_default(); |
| 1389 | let diff = TextDiff::from_lines(&old, &new); |
| 1390 | let (mut adds, mut dels) = (0usize, 0usize); |
| 1391 | for c in diff.iter_all_changes() { |
| 1392 | match c.tag() { |
| 1393 | ChangeTag::Insert => adds += 1, |
| 1394 | ChangeTag::Delete => dels += 1, |
| 1395 | ChangeTag::Equal => {} |
| 1396 | } |
| 1397 | } |
| 1398 | // Hunks: changed lines plus 3 lines of context, not the whole file. |
| 1399 | let groups = diff.grouped_ops(3); |
| 1400 | let rendered_rows: usize = groups |
| 1401 | .iter() |
| 1402 | .flatten() |
| 1403 | .map(|op| diff.iter_changes(op).count()) |
| 1404 | .sum(); |
| 1405 | |
| 1406 | html! { |
| 1407 | details.file-diff open[rendered_rows <= DIFF_COLLAPSE_ROWS] { |
| 1408 | (head(html! { span.plus { "+" (adds) } " " span.minus { "−" (dels) } })) |
| 1409 | (diff_table(&diff, &groups, old.lines().count())) |
| 1410 | } |
| 1411 | } |
| 1412 | } |
| 1413 | |
| 1414 | /// Render grouped diff hunks as a table: old/new line numbers, a +/- sign |
| 1415 | /// column, and the line. Elided stretches show a "⋯ N unchanged lines" row |
| 1416 | /// (including before the first hunk and after the last). |
| 1417 | fn diff_table<'a>( |
| 1418 | diff: &TextDiff<'a, 'a, '_, str>, |
| 1419 | groups: &[Vec<similar::DiffOp>], |
| 1420 | old_total: usize, |
| 1421 | ) -> Markup { |
| 1422 | let gap_row = |n: usize| { |
| 1423 | html! { |
| 1424 | @if n > 0 { |
| 1425 | tr.gap { td colspan="4" { "⋯ " (n) " unchanged line" @if n != 1 { "s" } } } |
| 1426 | } |
| 1427 | } |
| 1428 | }; |
| 1429 | // Unchanged-line gap before each group, and after the last one. |
| 1430 | let mut prev_end = 0usize; // end of the previous group, in old-file lines |
| 1431 | let mut with_gaps = Vec::with_capacity(groups.len()); |
| 1432 | for group in groups { |
| 1433 | let start = group.first().map_or(prev_end, |op| op.old_range().start); |
| 1434 | with_gaps.push((start.saturating_sub(prev_end), group)); |
| 1435 | prev_end = group.last().map_or(prev_end, |op| op.old_range().end); |
| 1436 | } |
| 1437 | let trailing = old_total.saturating_sub(prev_end); |
| 1438 | |
| 1439 | html! { |
| 1440 | table.code.diff { |
| 1441 | @for (gap, group) in &with_gaps { |
| 1442 | (gap_row(*gap)) |
| 1443 | @for op in group.iter() { |
| 1444 | @for change in diff.iter_changes(op) { |
| 1445 | @let (sign, cls) = match change.tag() { |
| 1446 | ChangeTag::Delete => ("-", "del"), |
| 1447 | ChangeTag::Insert => ("+", "ins"), |
| 1448 | ChangeTag::Equal => (" ", ""), |
| 1449 | }; |
| 1450 | tr class=(cls) { |
| 1451 | td.ln { @if let Some(i) = change.old_index() { (i + 1) } } |
| 1452 | td.ln { @if let Some(i) = change.new_index() { (i + 1) } } |
| 1453 | td.sign { (sign) } |
| 1454 | td { (change.value().trim_end_matches('\n')) } |
| 1455 | } |
| 1456 | } |
| 1457 | } |
| 1458 | } |
| 1459 | (gap_row(trailing)) |
| 1460 | } |
| 1461 | } |
| 1462 | } |
| 1463 | |
| 1464 | /// Lazily-loaded syntax set and theme (pure-Rust fancy-regex backend). |
| 1465 | fn highlighter() -> &'static (SyntaxSet, Theme) { |
| 1466 | static HL: OnceLock<(SyntaxSet, Theme)> = OnceLock::new(); |
| 1467 | HL.get_or_init(|| { |
| 1468 | let syntaxes = SyntaxSet::load_defaults_newlines(); |
| 1469 | let themes = ThemeSet::load_defaults(); |
| 1470 | let theme = themes |
| 1471 | .themes |
| 1472 | .get("InspiredGitHub") |
| 1473 | .or_else(|| themes.themes.values().next()) |
| 1474 | .cloned() |
| 1475 | .expect("at least one default theme"); |
| 1476 | (syntaxes, theme) |
| 1477 | }) |
| 1478 | } |
| 1479 | |
| 1480 | /// [`highlight`] through a byte-budgeted LRU keyed by blob oid + extension: a |
| 1481 | /// blob's rendered HTML is immutable for its object id (the extension is part |
| 1482 | /// of the key because it picks the syntax), so each file is highlighted once |
| 1483 | /// rather than once per request — highlighting large files is by far the most |
| 1484 | /// expensive thing a page view can do. The budget is |
| 1485 | /// `http.highlight_cache_mb`; `0` bypasses the cache entirely (for |
| 1486 | /// RAM-constrained hosts). Concurrent misses may both compute and the last |
| 1487 | /// insert wins; that's benign. |
| 1488 | fn cached_highlight(budget_bytes: usize, oid: &str, path: &str, text: &str) -> Arc<Vec<String>> { |
| 1489 | if budget_bytes == 0 { |
| 1490 | return Arc::new(highlight(path, text)); |
| 1491 | } |
| 1492 | struct Cache { |
| 1493 | lru: lru::LruCache<String, Arc<Vec<String>>>, |
| 1494 | bytes: usize, |
| 1495 | } |
| 1496 | fn cost(key: &str, lines: &[String]) -> usize { |
| 1497 | key.len() + lines.iter().map(String::len).sum::<usize>() |
| 1498 | } |
| 1499 | static CACHE: OnceLock<Mutex<Cache>> = OnceLock::new(); |
| 1500 | let cache = CACHE.get_or_init(|| { |
| 1501 | Mutex::new(Cache { |
| 1502 | lru: lru::LruCache::unbounded(), |
| 1503 | bytes: 0, |
| 1504 | }) |
| 1505 | }); |
| 1506 | |
| 1507 | let ext = std::path::Path::new(path) |
| 1508 | .extension() |
| 1509 | .and_then(|e| e.to_str()) |
| 1510 | .unwrap_or(""); |
| 1511 | let key = format!("{oid}\x00{ext}"); |
| 1512 | if let Some(hit) = cache.lock().expect("cache lock").lru.get(&key) { |
| 1513 | return hit.clone(); |
| 1514 | } |
| 1515 | |
| 1516 | let lines = Arc::new(highlight(path, text)); |
| 1517 | let mut c = cache.lock().expect("cache lock"); |
| 1518 | c.bytes += cost(&key, &lines); |
| 1519 | if let Some(old) = c.lru.put(key.clone(), Arc::clone(&lines)) { |
| 1520 | c.bytes -= cost(&key, &old); // concurrent miss inserted it first |
| 1521 | } |
| 1522 | // Evict oldest entries until we're back under budget. An entry larger than |
| 1523 | // the whole budget evicts itself — memory stays bounded, it just never caches. |
| 1524 | while c.bytes > budget_bytes { |
| 1525 | let Some((k, v)) = c.lru.pop_lru() else { break }; |
| 1526 | c.bytes -= cost(&k, &v); |
| 1527 | } |
| 1528 | lines |
| 1529 | } |
| 1530 | |
| 1531 | /// Syntax-highlight `text` (chosen by file extension), returning per-line HTML. |
| 1532 | /// Falls back to escaped plain text for large files or on any failure. |
| 1533 | fn highlight(path: &str, text: &str) -> Vec<String> { |
| 1534 | if text.len() > 512 * 1024 { |
| 1535 | return text.lines().map(escape).collect(); |
| 1536 | } |
| 1537 | let (syntaxes, theme) = highlighter(); |
| 1538 | let syntax = std::path::Path::new(path) |
| 1539 | .extension() |
| 1540 | .and_then(|e| e.to_str()) |
| 1541 | .and_then(|ext| syntaxes.find_syntax_by_extension(ext)) |
| 1542 | .or_else(|| syntaxes.find_syntax_by_first_line(text.lines().next().unwrap_or(""))) |
| 1543 | .unwrap_or_else(|| syntaxes.find_syntax_plain_text()); |
| 1544 | |
| 1545 | let mut h = HighlightLines::new(syntax, theme); |
| 1546 | text.lines() |
| 1547 | .map(|line| match h.highlight_line(line, syntaxes) { |
| 1548 | Ok(ranges) => styled_line_to_highlighted_html(&ranges, IncludeBackground::No) |
| 1549 | .unwrap_or_else(|_| escape(line)), |
| 1550 | Err(_) => escape(line), |
| 1551 | }) |
| 1552 | .collect() |
| 1553 | } |
| 1554 | |
| 1555 | fn escape(s: &str) -> String { |
| 1556 | s.replace('&', "&") |
| 1557 | .replace('<', "<") |
| 1558 | .replace('>', ">") |
| 1559 | } |
| 1560 | |
| 1561 | /// Format a Unix timestamp as `YYYY-MM-DD HH:MM UTC`. |
| 1562 | fn fmt_time(secs: i64) -> String { |
| 1563 | match OffsetDateTime::from_unix_timestamp(secs) { |
| 1564 | Ok(t) => format!( |
| 1565 | "{:04}-{:02}-{:02} {:02}:{:02} UTC", |
| 1566 | t.year(), |
| 1567 | u8::from(t.month()), |
| 1568 | t.day(), |
| 1569 | t.hour(), |
| 1570 | t.minute() |
| 1571 | ), |
| 1572 | Err(_) => secs.to_string(), |
| 1573 | } |
| 1574 | } |
| 1575 | |
| 1576 | /// Format a Unix timestamp as a bare `YYYY-MM-DD` (for compact tree rows). |
| 1577 | fn fmt_date(secs: i64) -> String { |
| 1578 | match OffsetDateTime::from_unix_timestamp(secs) { |
| 1579 | Ok(t) => format!("{:04}-{:02}-{:02}", t.year(), u8::from(t.month()), t.day()), |
| 1580 | Err(_) => secs.to_string(), |
| 1581 | } |
| 1582 | } |
| 1583 | |
| 1584 | /// Heuristic: treat content with a NUL in the first 8 KiB as binary. |
| 1585 | fn is_binary(bytes: &[u8]) -> bool { |
| 1586 | bytes.iter().take(8192).any(|&b| b == 0) |
| 1587 | } |
| 1588 | |
| 1589 | #[cfg(test)] |
| 1590 | mod tests { |
| 1591 | use super::*; |
| 1592 | |
| 1593 | #[test] |
| 1594 | fn markdown_by_extension_only() { |
| 1595 | assert!(is_markdown("README.md")); |
| 1596 | assert!(is_markdown("docs/guide.MarkDown")); |
| 1597 | assert!(!is_markdown("main.rs")); |
| 1598 | assert!(!is_markdown("md")); // no extension |
| 1599 | } |
| 1600 | |
| 1601 | // Repo content is untrusted; rendered markdown must not become stored XSS. |
| 1602 | #[test] |
| 1603 | fn rendered_markdown_neutralizes_html_and_script_urls() { |
| 1604 | let out = render_markdown( |
| 1605 | "# title\n\n<script>alert(1)</script>\n\n[x](javascript:alert(1))\n\n\n\n[ok](https://example.com)\n", |
| 1606 | ) |
| 1607 | .into_string(); |
| 1608 | assert!(out.contains("<h1>title</h1>"), "markdown renders: {out}"); |
| 1609 | assert!(!out.contains("<script>"), "raw HTML escaped: {out}"); |
| 1610 | assert!( |
| 1611 | out.contains("<script>"), |
| 1612 | "raw HTML kept as text: {out}" |
| 1613 | ); |
| 1614 | assert!(!out.contains("javascript:"), "script URL dropped: {out}"); |
| 1615 | assert!(!out.contains("data:"), "data URL dropped: {out}"); |
| 1616 | assert!( |
| 1617 | out.contains(r#"href="https://example.com""#), |
| 1618 | "normal links survive: {out}" |
| 1619 | ); |
| 1620 | } |
| 1621 | } |