security: expire admin browser sessions

apps/web/src/pages/admin/external-sources.astro

@@ -7,6 +7,7 @@ const apiUrl = import.meta.env.PUBLIC_API_URL || "http://localhost:8000";
   <section class="moderation-app" data-api-url={apiUrl}>
     <form class="admin-login" autocomplete="off"><label>Административный токен<input name="token" type="password" required autocomplete="off" /></label><button data-action="primary" type="submit">Открыть очередь</button></form>
     <p class="privacy">Токен остаётся только в памяти страницы. Исходная ссылка и происхождение сохраняются при публикации.</p>
+    <div class="admin-session-bar" hidden><span>Административная сессия активна</span><button data-action="secondary" type="button" data-admin-logout>Выйти</button></div>
     <div class="notice error" data-admin-error role="alert" hidden></div><div class="moderation-list" data-external-list aria-live="polite"></div>
     <nav data-pages aria-label="Страницы очереди" hidden>
       <button data-action="secondary" type="button" data-previous>Предыдущая</button>
@@ -23,15 +24,20 @@ const apiUrl = import.meta.env.PUBLIC_API_URL || "http://localhost:8000";
     const previous = document.querySelector<HTMLButtonElement>("[data-previous]");
     const next = document.querySelector<HTMLButtonElement>("[data-next]");
     const pageNumber = document.querySelector<HTMLElement>("[data-page-number]");
+    const sessionBar = document.querySelector<HTMLElement>(".admin-session-bar");
+    const logout = document.querySelector<HTMLButtonElement>("[data-admin-logout]");
     let offset = 0;
     let token = ""; let fishes: Record<string, string>[] = []; let waters: Record<string, string>[] = [];
+    let sessionTimer: ReturnType<typeof setTimeout> | undefined;
     const loadingCards = () => `<div class="loading-grid" aria-hidden="true">${Array.from({length:2}, () => '<div class="loading-card"><span class="loading-line loading-line--label"></span><span class="loading-line loading-line--title"></span><span class="loading-line"></span><span class="loading-line loading-line--short"></span></div>').join("")}</div><span class="sr-only">Загружаем внешние наблюдения</span>`;
     const setLoading = (loading: boolean) => list?.setAttribute("aria-busy", String(loading));
     const esc = (value: unknown) => String(value ?? "—").replace(/[&<>'"]/g, char => ({"&":"&amp;","<":"&lt;",">":"&gt;","'":"&#39;",'"':"&quot;"}[char] ?? char));
     const safeHttpUrl = (value: unknown) => { try { const url = new URL(String(value)); return url.protocol === "http:" || url.protocol === "https:" ? esc(url.href) : ""; } catch { return ""; } };
     const fail = (message: string) => { if (error) { error.textContent = message; error.hidden = false; } };
+    const endSession = (message?: string) => { token = ""; if (sessionTimer) clearTimeout(sessionTimer); sessionTimer = undefined; if (login) { login.hidden = false; login.reset(); } if (sessionBar) sessionBar.hidden = true; if (list) list.innerHTML = ""; pages?.setAttribute("hidden", ""); if (message) fail(message); };
+    const keepSession = () => { if (sessionTimer) clearTimeout(sessionTimer); sessionTimer = setTimeout(() => endSession("Сессия завершена после 15 минут бездействия. Введите токен снова."), 15 * 60 * 1000); };
     const options = (items: Record<string, string>[], selected?: unknown) => items.map(item => `<option value="${esc(item.slug)}" ${item.slug === selected ? "selected" : ""}>${esc(item.name_ru)}</option>`).join("");
-    async function json(url: string, init: RequestInit = {}) { const response = await fetch(url, init); if (!response.ok) throw new Error(response.status === 401 ? "Неверный административный токен." : `Запрос завершился ошибкой ${response.status}.`); return response.json(); }
+    async function json(url: string, init: RequestInit = {}) { const response = await fetch(url, init); if (response.status === 401) { endSession(); throw new Error("Неверный или истёкший административный токен."); } if (!response.ok) throw new Error(`Запрос завершился ошибкой ${response.status}.`); if ((init.headers as Record<string, string> | undefined)?.Authorization) keepSession(); return response.json(); }
     async function loadQueue() {
       if (!root || !list) return; error?.setAttribute("hidden", ""); setLoading(true); list.innerHTML = loadingCards();
       [fishes, waters] = await Promise.all([json(`${root.dataset.apiUrl}/api/v1/fishes`), json(`${root.dataset.apiUrl}/api/v1/waterbodies`)]);
@@ -57,7 +63,8 @@ const apiUrl = import.meta.env.PUBLIC_API_URL || "http://localhost:8000";
     }
     previous?.addEventListener("click", () => changePage(-50));
     next?.addEventListener("click", () => changePage(50));
-    login?.addEventListener("submit", async event => { event.preventDefault(); offset = 0; token = String(new FormData(login).get("token") || ""); try { await loadQueue(); login.hidden = true; } catch (cause) { setLoading(false); if (list) list.innerHTML = ""; fail(cause instanceof Error ? cause.message : "Ошибка загрузки."); } });
+    login?.addEventListener("submit", async event => { event.preventDefault(); offset = 0; token = String(new FormData(login).get("token") || ""); try { await loadQueue(); login.hidden = true; if (sessionBar) sessionBar.hidden = false; } catch (cause) { setLoading(false); if (list) list.innerHTML = ""; fail(cause instanceof Error ? cause.message : "Ошибка загрузки."); } });
+    logout?.addEventListener("click", () => endSession("Вы вышли из административной панели."));
     list?.addEventListener("click", async event => { const button = (event.target as HTMLElement).closest<HTMLButtonElement>("button"); const card = button?.closest<HTMLElement>("[data-observation-id]"); if (!button || !card || !root) return; button.disabled = true; const base = `${root.dataset.apiUrl}/api/v1/admin/external-observations/${card.dataset.observationId}`; const headers = {Authorization:`Bearer ${token}`,"Content-Type":"application/json"}; try {
       if (button.hasAttribute("data-suggest")) {
         const suggestion = await json(`${base}/alias-suggestions`, {headers});