[teamai] Push 87 resource(s) from XingfenD

2026-09-10 16:10:45 +08:00
parent 425c9c078a
commit 65c04def51
1314 changed files with 211681 additions and 0 deletions
@@ -0,0 +1,39 @@
+import { execFileSync } from "node:child_process";
+import { extname } from "node:path";
+
+const IMAGE_EXT = new Set([".jpg", ".jpeg", ".png", ".gif", ".webp", ".svg", ".ico"]);
+
+export function probe(filePath) {
+  const ext = extname(filePath).toLowerCase();
+  if (ext === ".svg") return { width: null, height: null, duration: null, codec: "svg" };
+
+  try {
+    // execFileSync (no shell) so a hostile filename like `"; rm -rf ~; ".png`
+    // can't break out of the quoting — filePath is passed as a literal argv entry.
+    const raw = execFileSync(
+      "ffprobe",
+      ["-v", "quiet", "-print_format", "json", "-show_format", "-show_streams", "--", filePath],
+      { encoding: "utf8", timeout: 5000 },
+    );
+    const info = JSON.parse(raw);
+    const stream = info.streams?.[0];
+    const format = info.format;
+
+    const isImage = IMAGE_EXT.has(ext);
+    const duration = isImage
+      ? null
+      : parseFloat(format?.duration) || parseFloat(stream?.duration) || null;
+    const width = parseInt(stream?.width, 10) || null;
+    const height = parseInt(stream?.height, 10) || null;
+    const codec = stream?.codec_name || null;
+
+    return {
+      duration: duration != null ? Math.round(duration * 10) / 10 : null,
+      width,
+      height,
+      codec,
+    };
+  } catch {
+    return { duration: null, width: null, height: null, codec: null };
+  }
+}