add finfo

pkgs/api/_finfo.ts

@@ -0,0 +1,61 @@
+import mime from "mime";
+import { apiContext } from "service-srv";
+import { dir } from "utils/dir";
+import { g } from "utils/global";
+
+export const _ = {
+  url: "/_finfo/**",
+  async api() {
+    const { req } = apiContext(this);
+    let rpath = decodeURIComponent(req.params._);
+    rpath = rpath
+      .split("/")
+      .map((e) => e.replace(/\.\./gi, ""))
+      .filter((e) => !!e)
+      .join("/");
+
+    let res = new Response("NOT FOUND", { status: 404 });
+
+    const path = dir(`${g.datadir}/files/${rpath}`);
+    const file = Bun.file(path);
+
+    if (await file.exists()) {
+      const arr = path.split("-");
+      const ext = arr.pop();
+      const fname = arr.join("-") + "." + ext;
+      const ctype = mime.getType(fname);
+
+      res = new Response(
+        JSON.stringify({
+          filename: fname,
+          fullpath: path,
+          size: formatFileSize(file.size),
+          mime: ctype,
+          ext,
+        }),
+        {
+          headers: { "content-type": "application/json" },
+        },
+      );
+    } else {
+      res = new Response("null", {
+        headers: { "content-type": "application/json" },
+      });
+    }
+
+    return res;
+  },
+};
+
+function formatFileSize(bytes: number) {
+  const units = ["B", "KB", "MB", "GB", "TB"];
+  let size = bytes;
+  let unitIndex = 0;
+
+  while (size >= 1024 && unitIndex < units.length - 1) {
+    size /= 1024;
+    unitIndex++;
+  }
+
+  return `${size.toFixed(2)} ${units[unitIndex]}`;
+}