Initial OSS scaffold from Songs2VID (pre-strip)

2026-08-03 06:15:05 +02:00
commit 506d56fa92
195 changed files with 25023 additions and 0 deletions
@@ -0,0 +1,89 @@
+import assert from "node:assert/strict";
+import { sanitizeFontfileForFilter } from "../lib/fonts";
+import {
+  buildDrawtextFilter,
+  clampOffset,
+  drawtextXy,
+  overlayXy,
+  requiresCustomWatermarkEntitlement,
+  sanitizeDrawtext,
+  normalizeWatermarkSettings,
+} from "../lib/watermark";
+
+function testSanitize() {
+  const s = sanitizeDrawtext("Hi:there'100%[x]");
+  assert.ok(s.includes("\\:"), "colon escaped as \\\\:");
+  assert.ok(s.includes("\\'"), "quote escaped");
+  assert.equal(sanitizeDrawtext("a".repeat(200)).length, 80);
+  assert.equal(sanitizeDrawtext("ok\nline").includes("\n"), false);
+}
+
+function testPositions() {
+  assert.deepEqual(overlayXy("bottom-right", 20, 20), { x: "W-w-20", y: "H-h-20" });
+  assert.deepEqual(overlayXy("top-left", 10, 5), { x: "10", y: "5" });
+  assert.deepEqual(drawtextXy("center", 0, 0), {
+    x: "(w-text_w)/2+0",
+    y: "(h-th)/2+0",
+  });
+}
+
+function testEntitlements() {
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "default" }, true),
+    ),
+    false,
+  );
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "text", text: "Brand" }, true),
+    ),
+    true,
+  );
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "default", position: "top-left" }, true),
+    ),
+    true,
+  );
+  assert.equal(
+    requiresCustomWatermarkEntitlement(
+      normalizeWatermarkSettings({ mode: "default", fontKey: "inter" }, true),
+    ),
+    true,
+  );
+  assert.equal(clampOffset(999), 200);
+  assert.equal(clampOffset(-5), 0);
+}
+
+function testDrawtextFontfile() {
+  const withFont = buildDrawtextFilter({
+    text: "Brand",
+    fontSize: 24,
+    position: "bottom-right",
+    offsetX: 20,
+    offsetY: 20,
+    fontfileEscaped: sanitizeFontfileForFilter("C:\\fonts\\My Font.ttf"),
+  });
+  assert.ok(withFont.includes("fontfile="), "fontfile present");
+  assert.ok(withFont.includes("C\\:/fonts/My Font.ttf") || withFont.includes("C\\:/fonts/My\\ Font.ttf") || withFont.includes("fontfile='"), "escaped path");
+  assert.ok(!withFont.includes("C:\\fonts"), "backslashes normalized");
+
+  const injection = sanitizeFontfileForFilter("/tmp/evil':drawtext=text='x");
+  assert.ok(injection.includes("\\'"), "quote escaped in font path");
+
+  const noFont = buildDrawtextFilter({
+    text: "Hi",
+    fontSize: 18,
+    position: "top-left",
+    offsetX: 0,
+    offsetY: 0,
+  });
+  assert.equal(noFont.includes("fontfile"), false);
+}
+
+testSanitize();
+testPositions();
+testEntitlements();
+testDrawtextFontfile();
+console.log("watermark.test.ts: ok");