871 lines
26 KiB
JavaScript
871 lines
26 KiB
JavaScript
const DEFAULT_SITE_TITLE = "SproutBlog";
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export default {
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async fetch(request, env) {
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const url = new URL(request.url);
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const path = normalizePath(url.pathname);
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if (!env.DB) {
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return htmlResponse(renderLayout("配置缺失", `
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<h1>DB 绑定未配置</h1>
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<p>请先在 <code>wrangler.toml</code> 里配置 D1 数据库。</p>
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`, env), 500);
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}
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if (request.method === "OPTIONS") {
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return new Response(null, { headers: corsHeaders() });
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}
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try {
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if (path === "/admin/session" && request.method === "POST") {
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return await handleAdminSession(request, env);
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}
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if (request.method === "GET") {
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if (path === "/") return await handleIndex(env, url);
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if (path.startsWith("/post/")) return await handlePost(env, path.slice(6));
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if (path === "/admin" || path === "/admin/new" || path.startsWith("/admin/edit/")) {
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return await handleAdminPage(request, env, url, path);
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}
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if (path === "/api/posts") return await handleApiList(env, url);
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if (path.startsWith("/api/posts/")) return await handleApiRead(env, path.slice(11));
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}
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if (path === "/admin/save" && request.method === "POST") {
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return await handleAdminSave(request, env, url);
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}
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if (path === "/admin/delete" && request.method === "POST") {
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return await handleAdminDelete(request, env, url);
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}
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if (path === "/api/posts" && request.method === "POST") {
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return await handleApiCreate(request, env);
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}
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if (path.startsWith("/api/posts/")) {
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const idOrSlug = path.slice(11);
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if (request.method === "PUT") return await handleApiUpdate(request, env, idOrSlug);
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if (request.method === "DELETE") return await handleApiDelete(request, env, idOrSlug);
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}
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return notFoundPage(env);
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} catch (error) {
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return htmlResponse(renderLayout("错误", `
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<h1>发生错误</h1>
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<pre>${escapeHtml(error?.stack || error?.message || String(error))}</pre>
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`, env), 500);
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}
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}
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};
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async function handleIndex(env, url) {
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const q = (url.searchParams.get("q") || "").trim();
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const posts = await listPosts(env.DB, { publishedOnly: true, q });
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return htmlResponse(renderLayout(pageTitle(env, "首页"), `
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${q ? `<p>搜索：<strong>${escapeHtml(q)}</strong></p>` : ""}
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${posts.length ? posts.map(renderPostCard).join("") : "<p>暂无文章。</p>"}
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`, env));
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}
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async function handlePost(env, slug) {
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const post = await env.DB.prepare(
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"SELECT * FROM posts WHERE slug = ? AND published = 1 LIMIT 1"
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).bind(decodeURIComponent(slug)).first();
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if (!post) return notFoundPage(env);
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await env.DB.prepare(
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"UPDATE posts SET view_count = COALESCE(view_count, 0) + 1 WHERE id = ?"
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).bind(post.id).run();
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const views = (Number(post.view_count) || 0) + 1;
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return htmlResponse(renderLayout(`${post.title} - ${pageTitle(env)}`, `
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<p><a href="/">返回首页</a></p>
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<article>
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<h1>${escapeHtml(post.title)}</h1>
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<p class="post-detail-meta"><span class="post-detail-time">${formatDateTime(post.updated_at)}</span><span class="post-detail-views">浏览 ${views}</span></p>
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${markdownPlaceholder(post.content)}
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</article>
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`, env, { markdownPage: true }));
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}
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async function handleAdminPage(request, env, url, path) {
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const auth = await requireAdmin(request, env);
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if (auth) return auth;
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let post = blankPost();
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if (path.startsWith("/admin/edit/")) {
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const id = Number(path.slice("/admin/edit/".length));
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if (Number.isFinite(id) && id > 0) {
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post = await getPostById(env.DB, id) || post;
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}
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} else if (path === "/admin" && url.searchParams.get("id")) {
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const id = Number(url.searchParams.get("id"));
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if (Number.isFinite(id) && id > 0) {
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post = await getPostById(env.DB, id) || post;
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}
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}
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const q = (url.searchParams.get("q") || "").trim();
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const posts = await listPosts(env.DB, { publishedOnly: false, q });
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return htmlResponse(renderLayout(`后台 - ${pageTitle(env)}`, `
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<p><a href="/">返回首页</a></p>
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<h1>后台</h1>
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<section>
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<h2>${post.id ? `编辑 #${post.id}` : "新建文章"}</h2>
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<form method="post" action="/admin/save">
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<input type="hidden" name="id" value="${escapeAttr(post.id || "")}">
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<p>
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<label>标题<br><input name="title" type="text" value="${escapeAttr(post.title || "")}" required></label>
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</p>
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<p>
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<label>Slug<br><input name="slug" type="text" value="${escapeAttr(post.slug || "")}"></label>
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</p>
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<p>
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<label>摘要<br><input name="excerpt" type="text" value="${escapeAttr(post.excerpt || "")}"></label>
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</p>
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<p>
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<label>内容<br><textarea name="content" required>${escapeHtml(post.content || "")}</textarea></label>
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</p>
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<p>
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<label><input name="published" type="checkbox" value="1" ${post.published ? "checked" : ""}> 发布</label>
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</p>
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<p><button type="submit">保存</button></p>
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</form>
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</section>
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<hr>
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<section>
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<h2>文章列表</h2>
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<form method="get" action="/admin">
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<p>
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<label>查询<br><input name="q" type="text" value="${escapeAttr(q)}"></label>
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</p>
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<p><button type="submit">搜索</button></p>
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</form>
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${posts.length ? posts.map(renderAdminCard).join("") : "<p>没有找到文章。</p>"}
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</section>
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`, env));
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}
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async function handleAdminSave(request, env, url) {
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const auth = await requireAdmin(request, env);
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if (auth) return auth;
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const data = await readBody(request);
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const rawId = data.id ? Number(data.id) : null;
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const id = Number.isFinite(rawId) && rawId > 0 ? rawId : null;
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const title = cleanText(data.title);
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const content = cleanText(data.content);
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const excerpt = cleanText(data.excerpt);
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const slugBase = cleanText(data.slug) || title;
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const published = isTruthy(data.published) ? 1 : 0;
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if (!title || !content) {
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return htmlResponse(renderLayout("表单错误", `
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<h1>标题和内容不能为空</h1>
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<p><a href="/admin">返回后台</a></p>
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`, env), 400);
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}
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const slug = await uniqueSlug(env.DB, slugify(slugBase), id);
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const now = new Date().toISOString();
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if (id) {
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const exists = await getPostById(env.DB, id);
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if (!exists) return notFoundPage(env);
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await env.DB.prepare(`
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UPDATE posts
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SET title = ?, slug = ?, excerpt = ?, content = ?, published = ?, updated_at = ?
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WHERE id = ?
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`).bind(title, slug, excerpt, content, published, now, id).run();
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} else {
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const result = await env.DB.prepare(`
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INSERT INTO posts (title, slug, excerpt, content, published, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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`).bind(title, slug, excerpt, content, published, now, now).run();
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return Response.redirect(new URL(`/admin?id=${result.meta.last_row_id}&saved=1`, url), 303);
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}
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return Response.redirect(new URL(`/admin?id=${id}&saved=1`, url), 303);
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}
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async function handleAdminDelete(request, env, url) {
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const auth = await requireAdmin(request, env);
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if (auth) return auth;
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const data = await readBody(request);
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const id = Number(data.id);
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if (!Number.isFinite(id) || id <= 0) {
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return htmlResponse(renderLayout("表单错误", `
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<h1>无效的文章 ID</h1>
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<p><a href="/admin">返回后台</a></p>
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`, env), 400);
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}
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await env.DB.prepare("DELETE FROM posts WHERE id = ?").bind(id).run();
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return Response.redirect(new URL(`/admin?deleted=1`, url), 303);
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}
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async function handleAdminSession(request, env) {
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const password = cleanText(env.ADMIN_PASSWORD);
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if (!password) {
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return jsonResponse({ ok: false, error: "not_configured" }, 503);
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}
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const data = await readBody(request);
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const token = cleanText(data.token);
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if (token !== password) {
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return jsonResponse({ ok: false, error: "invalid" }, 401);
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}
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const value = await adminSessionCookieValue(env);
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const maxAge = 60 * 60 * 24 * 7;
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const secure = new URL(request.url).protocol === "https:";
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const parts = [`sb_admin=${value}`, "Path=/", "HttpOnly", "SameSite=Lax", `Max-Age=${maxAge}`];
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if (secure) parts.push("Secure");
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return jsonResponse({ ok: true }, 200, {
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"Set-Cookie": parts.join("; ")
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});
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}
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async function handleApiList(env, url) {
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const q = (url.searchParams.get("q") || "").trim();
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const posts = await listPosts(env.DB, { publishedOnly: false, q });
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return jsonResponse({ ok: true, posts });
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}
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async function handleApiRead(env, idOrSlug) {
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const post = await readPost(env.DB, idOrSlug);
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if (!post) return jsonResponse({ ok: false, error: "Not found" }, 404);
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return jsonResponse({ ok: true, post });
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}
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async function handleApiCreate(request, env) {
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const auth = await requireAdmin(request, env);
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if (auth) return auth;
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const data = await readBody(request);
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const created = await createOrUpdatePost(env.DB, data, null);
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return jsonResponse({ ok: true, post: created }, 201);
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}
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async function handleApiUpdate(request, env, idOrSlug) {
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const auth = await requireAdmin(request, env);
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if (auth) return auth;
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const data = await readBody(request);
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const existing = await readPost(env.DB, idOrSlug);
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if (!existing) return jsonResponse({ ok: false, error: "Not found" }, 404);
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const updated = await createOrUpdatePost(env.DB, data, existing.id);
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return jsonResponse({ ok: true, post: updated });
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}
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async function handleApiDelete(request, env, idOrSlug) {
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const auth = await requireAdmin(request, env);
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if (auth) return auth;
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const post = await readPost(env.DB, idOrSlug);
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if (!post) return jsonResponse({ ok: false, error: "Not found" }, 404);
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await env.DB.prepare("DELETE FROM posts WHERE id = ?").bind(post.id).run();
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return jsonResponse({ ok: true, deleted: post.id });
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}
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async function createOrUpdatePost(db, data, currentId) {
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const rawId = currentId ? Number(currentId) : null;
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const id = Number.isFinite(rawId) && rawId > 0 ? rawId : null;
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const title = cleanText(data.title);
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const content = cleanText(data.content);
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const excerpt = cleanText(data.excerpt);
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const slugBase = cleanText(data.slug) || title;
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const published = isTruthy(data.published) ? 1 : 0;
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if (!title || !content) {
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throw new Error("title 和 content 不能为空");
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}
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const slug = await uniqueSlug(db, slugify(slugBase), id);
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const now = new Date().toISOString();
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if (id) {
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await db.prepare(`
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UPDATE posts
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SET title = ?, slug = ?, excerpt = ?, content = ?, published = ?, updated_at = ?
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WHERE id = ?
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`).bind(title, slug, excerpt, content, published, now, id).run();
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return await getPostById(db, id);
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}
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const result = await db.prepare(`
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INSERT INTO posts (title, slug, excerpt, content, published, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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`).bind(title, slug, excerpt, content, published, now, now).run();
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return await getPostById(db, result.meta.last_row_id);
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}
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async function readPost(db, idOrSlug) {
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if (!idOrSlug) return null;
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const trimmed = decodeURIComponent(String(idOrSlug)).trim();
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if (/^\d+$/.test(trimmed)) {
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return await getPostById(db, Number(trimmed));
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}
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return await db.prepare("SELECT * FROM posts WHERE slug = ? LIMIT 1").bind(trimmed).first();
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}
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async function getPostById(db, id) {
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return await db.prepare("SELECT * FROM posts WHERE id = ? LIMIT 1").bind(Number(id)).first();
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}
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async function listPosts(db, { publishedOnly = true, q = "" } = {}) {
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const params = [];
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const where = [];
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if (publishedOnly) where.push("published = 1");
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if (q) {
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where.push("(title LIKE ? OR slug LIKE ? OR excerpt LIKE ? OR content LIKE ?)");
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const like = `%${q}%`;
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params.push(like, like, like, like);
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}
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const sql = `
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SELECT * FROM posts
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${where.length ? `WHERE ${where.join(" AND ")}` : ""}
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ORDER BY published DESC, updated_at DESC, id DESC
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`;
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const statement = db.prepare(sql);
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const { results } = params.length ? await statement.bind(...params).all() : await statement.all();
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return results || [];
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}
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async function uniqueSlug(db, baseSlug, currentId) {
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let slug = baseSlug || "post";
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let suffix = 2;
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while (true) {
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const existing = await db.prepare("SELECT id FROM posts WHERE slug = ? LIMIT 1").bind(slug).first();
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if (!existing || Number(existing.id) === Number(currentId)) return slug;
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slug = `${baseSlug || "post"}-${suffix++}`;
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}
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}
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function slugify(value) {
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const raw = cleanText(value);
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const slug = raw
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.normalize("NFKD")
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.replace(/[\u0300-\u036f]/g, "")
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.replace(/[^\p{L}\p{N}]+/gu, "-")
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.replace(/^-+|-+$/g, "")
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.replace(/-+/g, "-")
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.toLowerCase();
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return slug || "post";
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}
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function renderPostCard(post) {
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const excerpt = post.excerpt || stripMarkdown(post.content).slice(0, 180);
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const views = Number(post.view_count) || 0;
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return `
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<article class="post-card">
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<h2><a href="/post/${encodeURIComponent(post.slug)}">${escapeHtml(post.title)}</a></h2>
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<p class="post-excerpt">${escapeHtml(excerpt)}${excerpt.length >= 180 ? "…" : ""}</p>
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<p class="post-meta">
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<span class="post-card-time">创建时间：${formatDateTime(post.created_at)}</span>
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<span class="post-card-time">最后更新时间：${formatDateTime(post.updated_at)}</span>
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<span class="post-card-views">浏览 ${views}</span>
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</p>
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</article>
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`;
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}
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function renderAdminCard(post) {
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return `
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<article>
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<h3>${escapeHtml(post.title)}</h3>
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<p>ID: ${post.id} | Slug: ${escapeHtml(post.slug)} | ${post.published ? "已发布" : "草稿"} | ${formatDateTime(post.updated_at)}</p>
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<div>
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<a href="/admin/edit/${post.id}">编辑</a>
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<form method="post" action="/admin/delete" style="display:inline">
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<input type="hidden" name="id" value="${post.id}">
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<button type="submit">删除</button>
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</form>
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</div>
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</article>
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`;
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}
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function renderLayout(title, body, env, options = {}) {
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const site = cleanText(env?.SITE_TITLE) || DEFAULT_SITE_TITLE;
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const mdHead = options.markdownPage
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? `
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<link rel="stylesheet" href="/css/markdown.css">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.45/dist/katex.min.css" crossorigin="anonymous">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11/build/styles/github.min.css" crossorigin="anonymous">
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`
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: "";
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const mdScript = options.markdownPage
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? `\n <script type="module" src="/js/markdown-client.js"></script>`
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: "";
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return `<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover">
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<title>${escapeHtml(title)}</title>
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<link rel="icon" href="/favicon.ico" sizes="any">
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${mdHead}
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<style>
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:root {
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--page-max: 920px;
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--page-pad-x: 24px;
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--page-pad-y: 24px;
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--page-gap: 24px;
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--text: #111;
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--muted: #555;
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--line: #e8e8e8;
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}
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html {
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margin: 0;
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padding: 0;
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background: #fff;
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color: var(--text);
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-webkit-text-size-adjust: 100%;
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text-size-adjust: 100%;
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}
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body {
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margin: 0;
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padding: 0;
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background: #fff;
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color: var(--text);
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font-family: Arial, sans-serif;
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line-height: 1.7;
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overflow-x: hidden;
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}
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main {
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width: min(100%, var(--page-max));
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margin: 0 auto;
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padding: var(--page-pad-y) var(--page-pad-x) 32px;
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box-sizing: border-box;
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}
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header.site-header {
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margin-bottom: var(--page-gap);
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padding-bottom: 16px;
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border-bottom: 1px solid var(--line);
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}
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.site-brand {
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display: flex;
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align-items: center;
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gap: 12px;
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|
}
|
|
.site-title-link {
|
|
text-decoration: none;
|
|
color: inherit;
|
|
font-weight: 700;
|
|
font-size: 1.25rem;
|
|
line-height: 1.2;
|
|
}
|
|
.site-logo {
|
|
flex-shrink: 0;
|
|
width: 40px;
|
|
height: 40px;
|
|
object-fit: contain;
|
|
cursor: pointer;
|
|
}
|
|
.admin-gate {
|
|
position: fixed;
|
|
inset: 0;
|
|
background: rgba(0, 0, 0, 0.35);
|
|
display: flex;
|
|
align-items: center;
|
|
justify-content: center;
|
|
z-index: 9999;
|
|
padding: 16px;
|
|
box-sizing: border-box;
|
|
}
|
|
.admin-gate[hidden] { display: none !important; }
|
|
.admin-gate-panel {
|
|
background: #fff;
|
|
padding: 16px 18px;
|
|
border-radius: 6px;
|
|
border: 1px solid #ccc;
|
|
display: flex;
|
|
flex-wrap: wrap;
|
|
gap: 8px;
|
|
align-items: center;
|
|
width: min(100%, 420px);
|
|
box-sizing: border-box;
|
|
}
|
|
.admin-gate-panel input[type="password"] {
|
|
width: 100%;
|
|
box-sizing: border-box;
|
|
min-width: 0;
|
|
}
|
|
h1, h2, h3 { line-height: 1.3; margin: 0 0 12px; word-break: break-word; }
|
|
article, section { margin: 0 0 24px; }
|
|
p { margin: 0 0 12px; word-break: break-word; }
|
|
a { color: inherit; }
|
|
input, textarea, button {
|
|
font: inherit;
|
|
max-width: 100%;
|
|
}
|
|
input[type="text"], input[type="password"], textarea {
|
|
width: 100%;
|
|
box-sizing: border-box;
|
|
min-width: 0;
|
|
}
|
|
textarea { min-height: 320px; resize: vertical; }
|
|
pre {
|
|
white-space: pre-wrap;
|
|
word-break: break-word;
|
|
overflow-x: auto;
|
|
}
|
|
img { max-width: 100%; height: auto; }
|
|
hr { border: 0; border-top: 1px solid #ddd; margin: 24px 0; }
|
|
.post-card { padding-bottom: 16px; border-bottom: 1px solid #efefef; }
|
|
.post-card:last-of-type { padding-bottom: 0; border-bottom: 0; }
|
|
.post-card .post-excerpt { margin: 0 0 10px; }
|
|
.post-card .post-meta {
|
|
font-size: 0.9em;
|
|
color: #555;
|
|
margin: 0 0 16px;
|
|
display: flex;
|
|
flex-wrap: wrap;
|
|
align-items: center;
|
|
gap: 8px 16px;
|
|
}
|
|
.post-detail-meta {
|
|
font-size: 0.95em;
|
|
color: #555;
|
|
margin: 0 0 16px;
|
|
display: flex;
|
|
flex-wrap: wrap;
|
|
align-items: center;
|
|
gap: 8px 16px;
|
|
}
|
|
.post-detail-views { color: #666; }
|
|
form { margin: 0; }
|
|
@media (max-width: 1024px) {
|
|
:root {
|
|
--page-max: 840px;
|
|
--page-pad-x: 20px;
|
|
--page-pad-y: 20px;
|
|
--page-gap: 20px;
|
|
}
|
|
}
|
|
@media (max-width: 768px) {
|
|
:root {
|
|
--page-max: 100%;
|
|
--page-pad-x: 16px;
|
|
--page-pad-y: 16px;
|
|
--page-gap: 18px;
|
|
}
|
|
.site-logo { width: 36px; height: 36px; }
|
|
.site-title-link { font-size: 1.1rem; }
|
|
.post-card .post-meta,
|
|
.post-detail-meta {
|
|
gap: 6px 12px;
|
|
}
|
|
}
|
|
@media (max-width: 480px) {
|
|
:root {
|
|
--page-pad-x: 14px;
|
|
--page-pad-y: 14px;
|
|
--page-gap: 16px;
|
|
}
|
|
body { line-height: 1.68; }
|
|
header.site-header { padding-bottom: 12px; }
|
|
textarea { min-height: 240px; }
|
|
.site-brand {
|
|
gap: 10px;
|
|
align-items: flex-start;
|
|
}
|
|
.site-logo { width: 32px; height: 32px; }
|
|
.site-title-link { font-size: 1rem; }
|
|
.post-card .post-meta,
|
|
.post-detail-meta {
|
|
font-size: 0.88em;
|
|
flex-direction: column;
|
|
align-items: flex-start;
|
|
gap: 4px;
|
|
}
|
|
.admin-gate-panel {
|
|
padding: 14px 14px;
|
|
}
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<main>
|
|
<header class="site-header">
|
|
<div class="site-brand">
|
|
<img class="site-logo" src="/logo.png" alt="" width="40" height="40" decoding="async">
|
|
<a href="/" class="site-title-link">${escapeHtml(site)}</a>
|
|
</div>
|
|
</header>
|
|
${body}
|
|
</main>
|
|
<div id="admin-gate" class="admin-gate" hidden>
|
|
<div class="admin-gate-panel">
|
|
<input id="admin-token" type="password" autocomplete="off" placeholder="Token" aria-label="Token">
|
|
<button type="button" id="admin-token-go">进入</button>
|
|
<button type="button" id="admin-token-cancel">取消</button>
|
|
</div>
|
|
</div>
|
|
<script>
|
|
(function () {
|
|
var logo = document.querySelector(".site-logo");
|
|
var gate = document.getElementById("admin-gate");
|
|
var inp = document.getElementById("admin-token");
|
|
var btnGo = document.getElementById("admin-token-go");
|
|
var btnCancel = document.getElementById("admin-token-cancel");
|
|
if (!logo || !gate || !inp || !btnGo || !btnCancel) return;
|
|
var n = 0;
|
|
var resetTimer = null;
|
|
function showGate() {
|
|
gate.hidden = false;
|
|
inp.value = "";
|
|
inp.focus();
|
|
}
|
|
function hideGate() {
|
|
gate.hidden = true;
|
|
}
|
|
logo.addEventListener("click", function (e) {
|
|
e.preventDefault();
|
|
if (resetTimer) clearTimeout(resetTimer);
|
|
n += 1;
|
|
if (n >= 5) {
|
|
n = 0;
|
|
showGate();
|
|
return;
|
|
}
|
|
resetTimer = setTimeout(function () { n = 0; }, 4000);
|
|
});
|
|
btnCancel.addEventListener("click", hideGate);
|
|
function submit() {
|
|
fetch("/admin/session", {
|
|
method: "POST",
|
|
headers: { "Content-Type": "application/json" },
|
|
credentials: "same-origin",
|
|
body: JSON.stringify({ token: inp.value })
|
|
})
|
|
.then(function (r) {
|
|
if (r.ok) {
|
|
hideGate();
|
|
location.href = "/admin";
|
|
return;
|
|
}
|
|
inp.select();
|
|
alert("Token 无效");
|
|
})
|
|
.catch(function () {
|
|
alert("网络错误");
|
|
});
|
|
}
|
|
btnGo.addEventListener("click", submit);
|
|
inp.addEventListener("keydown", function (e) {
|
|
if (e.key === "Enter") {
|
|
e.preventDefault();
|
|
submit();
|
|
}
|
|
});
|
|
})();
|
|
</script>${mdScript}
|
|
</body>
|
|
</html>`;
|
|
}
|
|
|
|
function b64EncodeUtf8(str) {
|
|
return btoa(unescape(encodeURIComponent(str)));
|
|
}
|
|
|
|
function markdownPlaceholder(raw) {
|
|
const src = String(raw ?? "");
|
|
if (!src.trim()) return "";
|
|
const b64 = b64EncodeUtf8(src);
|
|
return `<div class="markdown-body markdown-pending" data-b64-md="${escapeAttr(b64)}"><p class="markdown-loading">加载中…</p></div>`;
|
|
}
|
|
|
|
function stripMarkdown(text) {
|
|
return String(text ?? "")
|
|
.replace(/```[\s\S]*?```/g, " ")
|
|
.replace(/\$\$[\s\S]*?\$\$/g, " ")
|
|
.replace(/\$[^$\n]+\$/g, " ")
|
|
.replace(/!\[([^\]]*)\]\([^)]*\)/g, "$1")
|
|
.replace(/\[([^\]]+)\]\([^)]*\)/g, "$1")
|
|
.replace(/^\s{0,3}#{1,6}\s+/gm, "")
|
|
.replace(/^\s{0,3}>\s?/gm, "")
|
|
.replace(/^\s{0,3}[-*+]\s+/gm, "")
|
|
.replace(/^\s{0,3}\d+[.)]\s+/gm, "")
|
|
.replace(/[*_`~#]/g, " ")
|
|
.replace(/\s+/g, " ")
|
|
.trim();
|
|
}
|
|
|
|
function pageTitle(env, suffix = "") {
|
|
const site = cleanText(env.SITE_TITLE) || DEFAULT_SITE_TITLE;
|
|
return suffix ? `${site} - ${suffix}` : site;
|
|
}
|
|
|
|
function normalizePath(pathname) {
|
|
if (pathname === "/") return "/";
|
|
return pathname.replace(/\/+$/, "");
|
|
}
|
|
|
|
function htmlResponse(html, status = 200, headers = {}) {
|
|
return new Response(html, {
|
|
status,
|
|
headers: {
|
|
"content-type": "text/html; charset=UTF-8",
|
|
...headers
|
|
}
|
|
});
|
|
}
|
|
|
|
function jsonResponse(data, status = 200, extraHeaders = {}) {
|
|
return new Response(JSON.stringify(data, null, 2), {
|
|
status,
|
|
headers: {
|
|
"content-type": "application/json; charset=UTF-8",
|
|
...corsHeaders(),
|
|
...extraHeaders
|
|
}
|
|
});
|
|
}
|
|
|
|
function notFoundPage(env) {
|
|
return htmlResponse(renderLayout("404", `
|
|
<h1>404</h1>
|
|
<p>页面不存在。</p>
|
|
<p><a href="/">返回首页</a></p>
|
|
`, env), 404);
|
|
}
|
|
|
|
function corsHeaders() {
|
|
return {
|
|
"access-control-allow-origin": "*",
|
|
"access-control-allow-methods": "GET, POST, PUT, DELETE, OPTIONS",
|
|
"access-control-allow-headers": "*"
|
|
};
|
|
}
|
|
|
|
async function requireAdmin(request, env) {
|
|
const password = cleanText(env.ADMIN_PASSWORD);
|
|
if (!password) return null;
|
|
|
|
const cookies = parseCookie(request.headers.get("Cookie") || "");
|
|
const expected = await adminSessionCookieValue(env);
|
|
if (cookies.sb_admin && cookies.sb_admin === expected) {
|
|
return null;
|
|
}
|
|
|
|
const header = request.headers.get("Authorization") || "";
|
|
if (header.startsWith("Basic ")) {
|
|
try {
|
|
const decoded = atob(header.slice(6));
|
|
const split = decoded.indexOf(":");
|
|
const inputPassword = split >= 0 ? decoded.slice(split + 1) : "";
|
|
if (inputPassword === password) return null;
|
|
} catch {
|
|
// ignore
|
|
}
|
|
}
|
|
|
|
return unauthorized();
|
|
}
|
|
|
|
function parseCookie(header) {
|
|
const out = {};
|
|
if (!header) return out;
|
|
for (const part of header.split(";")) {
|
|
const idx = part.indexOf("=");
|
|
if (idx === -1) continue;
|
|
const k = part.slice(0, idx).trim();
|
|
const v = part.slice(idx + 1).trim();
|
|
try {
|
|
out[k] = decodeURIComponent(v);
|
|
} catch {
|
|
out[k] = v;
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
|
|
async function adminSessionCookieValue(env) {
|
|
const password = cleanText(env.ADMIN_PASSWORD);
|
|
const enc = new TextEncoder();
|
|
const data = enc.encode(`${password}\0sproutblog_admin_v1`);
|
|
const hash = await crypto.subtle.digest("SHA-256", data);
|
|
return [...new Uint8Array(hash)].map((b) => b.toString(16).padStart(2, "0")).join("");
|
|
}
|
|
|
|
function unauthorized() {
|
|
return new Response("Authentication required", {
|
|
status: 401,
|
|
headers: {
|
|
"content-type": "text/plain; charset=UTF-8"
|
|
}
|
|
});
|
|
}
|
|
|
|
async function readBody(request) {
|
|
const type = request.headers.get("content-type") || "";
|
|
if (type.includes("application/json")) {
|
|
return await request.json();
|
|
}
|
|
|
|
if (type.includes("multipart/form-data") || type.includes("application/x-www-form-urlencoded")) {
|
|
const form = await request.formData();
|
|
const data = {};
|
|
for (const [key, value] of form.entries()) {
|
|
data[key] = value;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
function cleanText(value) {
|
|
return String(value ?? "").trim();
|
|
}
|
|
|
|
function isTruthy(value) {
|
|
return value === true || value === "true" || value === "1" || value === 1 || value === "on" || value === "yes";
|
|
}
|
|
|
|
function blankPost() {
|
|
return {
|
|
id: "",
|
|
title: "",
|
|
slug: "",
|
|
excerpt: "",
|
|
content: "",
|
|
published: 1
|
|
};
|
|
}
|
|
|
|
function escapeHtml(value) {
|
|
return String(value ?? "")
|
|
.replace(/&/g, "&")
|
|
.replace(/</g, "<")
|
|
.replace(/>/g, ">")
|
|
.replace(/"/g, """)
|
|
.replace(/'/g, "'");
|
|
}
|
|
|
|
function escapeAttr(value) {
|
|
return escapeHtml(value).replace(/`/g, "`");
|
|
}
|
|
|
|
function formatDateTime(value) {
|
|
if (!value) return "";
|
|
const date = new Date(value);
|
|
if (Number.isNaN(date.getTime())) return escapeHtml(value);
|
|
const yyyy = date.getFullYear();
|
|
const mm = String(date.getMonth() + 1).padStart(2, "0");
|
|
const dd = String(date.getDate()).padStart(2, "0");
|
|
const hh = String(date.getHours()).padStart(2, "0");
|
|
const mi = String(date.getMinutes()).padStart(2, "0");
|
|
return `${yyyy}-${mm}-${dd} ${hh}:${mi}`;
|
|
}
|