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Test/ssrf ip overflow regression 3118 #3227

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Test/ssrf ip overflow regression 3118 #3227

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c925bff
fix(a11y): respect prefers-reduced-motion in BackToTopButton
Shan7Usmani Jul 22, 2026
4eb3a8f
test(ssrf): add regression tests for signed 32-bit integer overflow i…
Shan7Usmani Jul 22, 2026
b59259a
ci: re-trigger star check
Shan7Usmani Jul 25, 2026
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14 changes: 12 additions & 2 deletions src/components/BackToTopButton.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -17,11 +17,21 @@ export default function BackToTopButton() {
}
};

const [prefersReducedMotion, setPrefersReducedMotion] = useState(false);

useEffect(() => {
const mq = window.matchMedia("(prefers-reduced-motion: reduce)");
setPrefersReducedMotion(mq.matches);
const handler = (e: MediaQueryListEvent) => setPrefersReducedMotion(e.matches);
mq.addEventListener("change", handler);
return () => mq.removeEventListener("change", handler);
}, []);

const scrollToTop = () => {
if (typeof window !== "undefined") {
window.scrollTo({
top: 0,
behavior: "smooth",
behavior: prefersReducedMotion ? "auto" : "smooth",
});
}
};
Expand Down Expand Up @@ -70,7 +80,7 @@ export default function BackToTopButton() {
strokeDasharray={circumference}
strokeDashoffset={strokeDashoffset}
style={{ filter: "drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 60%, transparent))" }}
className="transition-[stroke-dashoffset] duration-100"
className={`transition-[stroke-dashoffset] duration-100 ${prefersReducedMotion ? "!transition-none" : ""}`}
/>
</svg>
<button
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21 changes: 21 additions & 0 deletions test/ssrf-protection.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -108,5 +108,26 @@ describe("ssrf-protection", () => {
mockLookup.mockResolvedValue([{ address: "2001:4860:4860::8888", family: 6 }]);
expect(await isSafeUrl("http://example.com")).toBe(true);
});

it("should block 192.168.x.x as direct IP literal (regression: signed overflow #3118)", async () => {
expect(await isSafeUrl("http://192.168.1.1")).toBe(false);
expect(await isSafeUrl("http://192.168.0.1")).toBe(false);
expect(await isSafeUrl("http://192.168.255.255")).toBe(false);
});

it("should block 172.16.x.x as direct IP literal (regression: signed overflow #3118)", async () => {
expect(await isSafeUrl("http://172.16.0.1")).toBe(false);
expect(await isSafeUrl("http://172.31.255.255")).toBe(false);
});

it("should block 10.x.x.x as direct IP literal", async () => {
expect(await isSafeUrl("http://10.0.0.1")).toBe(false);
expect(await isSafeUrl("http://10.255.255.255")).toBe(false);
});

it("should block 127.x.x.x as direct IP literal", async () => {
expect(await isSafeUrl("http://127.0.0.1")).toBe(false);
expect(await isSafeUrl("http://127.255.255.255")).toBe(false);
});
});
});
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