77 lines
2.3 KiB
TypeScript
77 lines
2.3 KiB
TypeScript
"use server";
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import { writeFile } from "node:fs/promises";
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import path from "node:path";
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import { redirect } from "next/navigation";
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import { requirePermission } from "@/lib/admin/guard";
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import { toBadgeGif } from "@/lib/images/badge-gif";
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import { PERMS } from "@/lib/permissions";
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import { logStaffActivity } from "@/lib/services/staff-activity";
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// Writes a badge image to the configured emulator badge directory. The path is
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// read from BADGE_UPLOAD_DIR so deployments can point it at their emulator's
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// `swf/c_images/album1584` (or equivalent) without code changes. AtomCMS only
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// ever stores .gif badges, so every upload is normalised to `<code>.gif`.
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const CODE_RE = /^[A-Za-z0-9_-]{1,64}$/;
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const MAX_BYTES = 1024 * 1024; // 1MB
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const ALLOWED_TYPES = new Set(["image/gif", "image/png"]);
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function back(param: string, value: string): never {
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redirect(`/admin/badges?${param}=${encodeURIComponent(value)}`);
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}
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export async function uploadBadge(formData: FormData): Promise<void> {
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const staff = await requirePermission(PERMS.CATALOG_EDIT);
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const dir = process.env.BADGE_UPLOAD_DIR;
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if (!dir) {
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back("error", "Badge upload directory not configured");
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}
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const code = String(formData.get("code") ?? "")
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.normalize("NFC")
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.trim();
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if (!CODE_RE.test(code)) {
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back("error", "Invalid badge code (use A-Z, 0-9, _ or -, max 64 chars)");
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}
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const file = formData.get("file");
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if (!(file instanceof File)) {
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back("error", "No file uploaded");
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}
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if (file.size === 0) {
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back("error", "Uploaded file is empty");
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}
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if (file.size > MAX_BYTES) {
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back("error", "File too large (max 1MB)");
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}
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if (!ALLOWED_TYPES.has(file.type)) {
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back("error", "File must be a GIF or PNG image");
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}
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try {
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const buffer = Buffer.from(await file.arrayBuffer());
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const gif = await toBadgeGif(buffer);
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const baseDir = path.resolve(dir);
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const target = path.resolve(baseDir, `${code}.gif`);
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if (!target.startsWith(baseDir + path.sep)) {
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back("error", "Invalid path");
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}
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// eslint-disable-next-line security/detect-non-literal-fs-filename
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await writeFile(target, gif);
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} catch {
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back("error", "Could not process or write the badge file");
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}
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await logStaffActivity({
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staffId: staff.id,
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action: "badge_upload",
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description: `Uploaded badge image "${code}.gif"`,
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targetType: "badge",
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});
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redirect(`/admin/badges?uploaded=${encodeURIComponent(code)}`);
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}
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