style: format code biome
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@@ -9,88 +9,106 @@ import { siteSettings } from "@/lib/services/site-settings";
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// Block SSRF — only allow http/https to public IPs (no private/loopback/link-local).
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const PRIVATE_IP_RE =
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/^(127\.|10\.|172\.(1[6-9]|2\d|3[01])\.|192\.168\.|169\.254\.|0\.0\.0\.0|::1|fe80:|fc00:|fd00:|localhost)/i;
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/^(127\.|10\.|172\.(1[6-9]|2\d|3[01])\.|192\.168\.|169\.254\.|0\.0\.0\.0|::1|fe80:|fc00:|fd00:|localhost)/i;
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function isSafeUrl(url: string): boolean {
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try {
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const u = new URL(url);
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if (u.protocol !== "http:" && u.protocol !== "https:") return false;
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if (PRIVATE_IP_RE.test(u.hostname)) return false;
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return true;
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} catch {
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return false;
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}
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try {
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const u = new URL(url);
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if (u.protocol !== "http:" && u.protocol !== "https:") return false;
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if (PRIVATE_IP_RE.test(u.hostname)) return false;
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return true;
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} catch {
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return false;
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}
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}
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export interface NowPlaying {
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title: string;
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artist: string | null;
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title: string;
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artist: string | null;
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}
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async function fetchJson(url: string, ms = 4000): Promise<unknown> {
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if (!isSafeUrl(url)) return null;
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const controller = new AbortController();
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const timer = setTimeout(() => controller.abort(), ms);
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try {
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const res = await fetch(url, { signal: controller.signal, cache: "no-store" });
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const text = await res.text();
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try {
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return JSON.parse(text);
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} catch {
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return text; // plain-text "Artist - Title" (Shoutcast/Icecast metadata)
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}
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} catch {
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return null;
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} finally {
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clearTimeout(timer);
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}
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if (!isSafeUrl(url)) return null;
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const controller = new AbortController();
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const timer = setTimeout(() => controller.abort(), ms);
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try {
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const res = await fetch(url, {
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signal: controller.signal,
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cache: "no-store",
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});
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const text = await res.text();
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try {
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return JSON.parse(text);
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} catch {
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return text; // plain-text "Artist - Title" (Shoutcast/Icecast metadata)
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}
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} catch {
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return null;
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} finally {
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clearTimeout(timer);
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}
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}
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function parseNowPlaying(d: unknown): NowPlaying | null {
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if (!d) return null;
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// AzureCast: { now_playing: { song: { title, artist } } }
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const azure = (d as { now_playing?: { song?: { title?: string; artist?: string; text?: string } } })
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.now_playing?.song;
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if (azure?.title || azure?.text) {
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return { title: azure.title ?? azure.text ?? "", artist: azure.artist ?? null };
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}
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// Generic JSON: { title, artist } or { songtitle }
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const generic = d as { title?: string; artist?: string; songtitle?: string };
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if (generic.title) return { title: generic.title, artist: generic.artist ?? null };
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if (generic.songtitle) {
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const [a, t] = generic.songtitle.split(" - ");
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return t ? { title: t.trim(), artist: a.trim() } : { title: generic.songtitle, artist: null };
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}
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// Plain text "Artist - Title"
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if (typeof d === "string" && d.trim()) {
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const parts = d.split(" - ");
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return parts.length > 1
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? { title: parts.slice(1).join(" - ").trim(), artist: parts[0].trim() }
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: { title: d.trim(), artist: null };
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}
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return null;
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if (!d) return null;
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// AzureCast: { now_playing: { song: { title, artist } } }
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const azure = (
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d as {
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now_playing?: {
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song?: { title?: string; artist?: string; text?: string };
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};
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}
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).now_playing?.song;
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if (azure?.title || azure?.text) {
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return {
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title: azure.title ?? azure.text ?? "",
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artist: azure.artist ?? null,
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};
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}
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// Generic JSON: { title, artist } or { songtitle }
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const generic = d as { title?: string; artist?: string; songtitle?: string };
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if (generic.title)
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return { title: generic.title, artist: generic.artist ?? null };
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if (generic.songtitle) {
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const [a, t] = generic.songtitle.split(" - ");
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return t
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? { title: t.trim(), artist: a.trim() }
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: { title: generic.songtitle, artist: null };
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}
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// Plain text "Artist - Title"
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if (typeof d === "string" && d.trim()) {
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const parts = d.split(" - ");
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return parts.length > 1
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? { title: parts.slice(1).join(" - ").trim(), artist: parts[0].trim() }
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: { title: d.trim(), artist: null };
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}
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return null;
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}
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export async function fetchNowPlaying(): Promise<NowPlaying | null> {
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const url = (await siteSettings.get("radio_now_playing_api_url", "")) ?? "";
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if (!url) return null;
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return parseNowPlaying(await fetchJson(url));
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const url = (await siteSettings.get("radio_now_playing_api_url", "")) ?? "";
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if (!url) return null;
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return parseNowPlaying(await fetchJson(url));
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}
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export async function fetchListeners(): Promise<number | null> {
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const url = (await siteSettings.get("radio_listeners_api_url", "")) ?? "";
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if (!url) return null;
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const d = await fetchJson(url);
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if (d == null) return null;
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const obj = d as { listeners?: unknown; current_listeners?: unknown };
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const raw =
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typeof d === "number"
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? d
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: (obj.listeners ?? obj.current_listeners ?? (typeof d === "string" ? Number(d) : null));
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const n = Number(
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typeof raw === "object" && raw && "total" in (raw as Record<string, unknown>)
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? (raw as { total: unknown }).total
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: raw,
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);
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return Number.isFinite(n) ? n : null;
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const url = (await siteSettings.get("radio_listeners_api_url", "")) ?? "";
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if (!url) return null;
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const d = await fetchJson(url);
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if (d == null) return null;
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const obj = d as { listeners?: unknown; current_listeners?: unknown };
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const raw =
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typeof d === "number"
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? d
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: (obj.listeners ??
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obj.current_listeners ??
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(typeof d === "string" ? Number(d) : null));
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const n = Number(
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typeof raw === "object" &&
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raw &&
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"total" in (raw as Record<string, unknown>)
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? (raw as { total: unknown }).total
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: raw,
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);
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return Number.isFinite(n) ? n : null;
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}
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