Update src/libpoketube/libpoketube-core.js
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ashley
parent
c3796da337
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258130fbea
@ -54,67 +54,251 @@ class InnerTubePokeVidious {
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this.debugErrors = !!cfg.debugErrors || process.env.POKETUBE_DEBUG_ERRORS === "1";
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}
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// (all helper + retry methods remain unchanged...)
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// ---------- Utilities ----------
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getJson(s) { try { return JSON.parse(s); } catch { return null; } }
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checkUnexistingObject(o) { return o && "authorId" in o; }
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wait(ms) { return new Promise(r => setTimeout(r, ms)); }
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backoff(attempt, base = 160, cap = 12000) {
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const exp = Math.min(cap, base * Math.pow(2, attempt));
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const jit = Math.floor(Math.random() * (base + 1));
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return Math.min(cap, exp + jit);
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}
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shouldRetryStatus(st) {
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if (!st) return true;
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if (st === 408 || st === 425 || st === 429) return true;
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if (st >= 500 && st <= 599) return true;
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return false;
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}
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parseRetryAfter(v) {
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if (!v) return null;
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const secs = Number(v);
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if (!Number.isNaN(secs)) return Math.max(0, secs * 1000);
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const dt = Date.parse(v);
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if (!Number.isNaN(dt)) return Math.max(0, dt - Date.now());
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return null;
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}
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nowIso() { return new Date().toISOString(); }
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newRequestId() { return Buffer.from(`${Date.now()}-${Math.random()}`).toString("base64url"); }
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buildFriendlyMessage(reason, videoId) {
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const common = " If this keeps happening, please try again later or check the video link.";
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switch (reason) {
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case "invalid_video_id":
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return `Sorry nya, that doesn't look like a valid YouTube video ID (needs 11 letters/numbers). qwq Please double-check the link.${common}`;
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case "not_found_or_unparsable":
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return `Sorry nya, we couldn't load details for this video right now. qwq It may be unavailable or upstream returned something we couldn't read.${common}`;
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case "missing_author":
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return `Sorry nya, this video's channel info was missing so we couldn't finish loading it. qwq${common}`;
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case "upstream_http_error":
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return `Sorry nya, an upstream service returned an error while fetching this video. qwq${common}`;
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case "upstream_timeout":
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return `Sorry nya, the request took too long and timed out while getting video info. qwq${common}`;
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case "aborted":
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return `Sorry nya, the request was canceled before we finished. qwq${common}`;
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case "internal_error":
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default:
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return `Sorry nya, something went wrong while loading this video. qwq Our bad!${common}`;
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}
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}
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buildError({ reason, status, url, videoId, requestId, retryAfterMs, originalError, meta }) {
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const retryable = this.shouldRetryStatus(status) || reason === "upstream_timeout";
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const message = this.buildFriendlyMessage(reason, videoId);
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const err = {
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error: true,
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reason,
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message,
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status: status ?? null,
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retryable,
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recommendedWaitMs: retryAfterMs || (retryable ? 1500 : 0),
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url: url || null,
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videoId: videoId || null,
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requestId: requestId || this.newRequestId(),
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timestamp: this.nowIso(),
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hints: [
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"Check that the video ID has exactly 11 characters (letters, numbers, '-' or '_').",
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"The video may be private, region-locked, age-gated, or removed.",
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"Try again in a minute (rate limits/temporary errors happen)."
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],
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meta: meta || {}
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};
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if (this.debugErrors && originalError) {
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err.debug = {
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name: originalError.name || "Error",
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message: String(originalError.message || originalError),
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stack: typeof originalError.stack === "string" ? originalError.stack : null
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};
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}
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return err;
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}
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initError(a, e) {
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console.error("[LIBPT CORE ERROR]", a, e && e.stack ? e.stack : e);
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}
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// ---------- HTTP helpers ----------
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async fetchWithRetry(url, options = {}, cfg = {}, outerSignal) {
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const { fetch } = await import("undici");
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const maxRetries = Number.isInteger(cfg.retries) ? Math.max(0, cfg.retries) : 8;
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const baseDelay = cfg.baseDelay ?? 160;
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const maxDelay = cfg.maxDelay ?? 12000;
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const perAttemptTimeout = cfg.timeout ?? 12000;
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const extraRetryOn = cfg.retryOnStatuses || [];
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const uah = { "User-Agent": this.useragent };
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let lastErr = null;
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for (let attempt = 0; attempt <= maxRetries; attempt++) {
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const ac = new AbortController();
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const onOuterAbort = () => ac.abort(outerSignal.reason || new Error("aborted"));
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if (outerSignal) {
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if (outerSignal.aborted) throw outerSignal.reason || new Error("aborted");
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outerSignal.addEventListener("abort", onOuterAbort, { once: true });
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}
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const t = setTimeout(() => ac.abort(new Error("timeout")), perAttemptTimeout);
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try {
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const res = await fetch(url, {
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...options,
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signal: ac.signal,
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headers: { ...(options.headers || {}), ...uah },
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});
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clearTimeout(t);
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if (outerSignal) outerSignal.removeEventListener("abort", onOuterAbort);
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if (res.ok) return res;
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const should = this.shouldRetryStatus(res.status) || extraRetryOn.includes(res.status);
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if (!should || attempt === maxRetries) return res;
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let delay = this.backoff(attempt, baseDelay, maxDelay);
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if (res.status === 429 || res.status === 503) {
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const ra = this.parseRetryAfter(res.headers.get("retry-after"));
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if (ra != null) delay = Math.min(Math.max(ra, baseDelay), maxDelay);
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}
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await this.wait(delay);
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} catch (e) {
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clearTimeout(t);
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if (outerSignal) outerSignal.removeEventListener("abort", onOuterAbort);
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lastErr = e;
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if (attempt === maxRetries) throw e;
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await this.wait(this.backoff(attempt, baseDelay, maxDelay));
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}
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}
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if (lastErr) throw lastErr;
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throw new Error("fetchWithRetry failed");
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}
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async hedgedGetJsonFromBases(bases, path, query, outerSignal) {
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const qs = query ? (query.startsWith("?") ? query : "?" + query) : "";
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const mk = (b) => `${b}${path}${qs}`;
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const attemptOnce = async (u) => {
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const res = await this.fetchWithRetry(u, {}, { retries: 4, baseDelay: 120, maxDelay: 6000, timeout: 10000 }, outerSignal);
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const tx = await res.text();
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if (!res.ok) {
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const err = new Error(`HTTP ${res.status} while fetching ${u}`);
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err.name = "HTTPError";
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err.status = res.status;
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err.url = u;
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err.bodySnippet = tx.slice(0, 800);
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throw err;
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}
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const js = this.getJson(tx);
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if (!js) {
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const err = new Error(`Unparsable JSON from ${u}`);
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err.name = "ParseError";
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err.url = u;
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err.bodySnippet = tx.slice(0, 800);
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throw err;
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}
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return js;
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};
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if (!this.hedge || !bases[1]) return attemptOnce(mk(bases[0]));
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let p1 = attemptOnce(mk(bases[0]));
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let p2 = (async () => { await this.wait(300); return attemptOnce(mk(bases[1])); })();
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try {
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return await Promise.any([p1, p2]);
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} catch {
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try { const a = await p1; if (a) return a; } catch {}
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try { const b = await p2; if (b) return b; } catch {}
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return null;
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}
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}
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async getColorsSafe(url) {
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for (let i = 0; i < 3; i++) {
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try {
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const c = await getColors(url);
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if (Array.isArray(c) && c[0] && c[1]) return [c[0].hex(), c[1].hex()];
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} catch {}
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await this.wait(this.backoff(i, 120, 4000));
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}
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return ["#0ea5e9", "#111827"];
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}
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async curlGetWithRetry(url, httpHeader, outerSignal) {
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let lastErr = null;
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for (let i = 0; i <= 4; i++) {
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if (outerSignal?.aborted) throw outerSignal.reason || new Error("aborted");
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try {
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const res = await curly.get(url, {
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httpHeader,
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timeoutMs: 12000,
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connectTimeoutMs: 6000,
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});
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const code = res?.statusCode;
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if (code >= 200 && code < 300 && res?.data) return res;
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if (!this.shouldRetryStatus(code)) return res;
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} catch (e) { lastErr = e; }
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await this.wait(this.backoff(i, 160, 8000));
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}
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if (lastErr) throw lastErr;
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throw new Error("curlGetWithRetry failed");
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}
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isvalidvideo(v) {
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if (v != "assets" && v != "cdn-cgi" && v != "404") return /^([a-zA-Z0-9_-]{11})$/.test(v);
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return false;
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}
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// ---------- Main API ----------
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async getYouTubeApiVideo(f, v, contentlang, contentregion) {
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const requestId = this.newRequestId();
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if (!this.isvalidvideo(v)) {
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return this.buildError({
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reason: "invalid_video_id",
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videoId: v,
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requestId
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});
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return this.buildError({ reason: "invalid_video_id", videoId: v, requestId });
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}
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const cached = this.cache.get(v);
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if (cached && Date.now() - cached.timestamp < 3600000) return cached.result;
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const headers = { "User-Agent": this.useragent };
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const bases = [this.config.invapi, this.config.invapi_alt];
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const b64ts = Buffer.from(String(Date.now())).toString("base64");
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const q = `hl=${contentlang}®ion=${contentregion}&h=${b64ts}`;
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const outer = new AbortController();
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const outerTimeout = setTimeout(() => outer.abort(new Error("global-timeout")), 18000);
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try {
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const [comments, vid, videoData] = await Promise.all([
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const [comments, vid] = await Promise.all([
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this.hedgedGetJsonFromBases(bases, `/comments/${v}`, q, outer.signal),
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this.hedgedGetJsonFromBases(bases, `/videos/${v}`, q, outer.signal),
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(async () => {
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const res = await this.curlGetWithRetry(
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`${this.config.t_url}video?v=${v}`,
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Object.entries(headers).map(([k, vv]) => `${k}: ${vv}`),
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outer.signal
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);
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const str = Buffer.isBuffer(res.data) ? res.data.toString("utf8") : String(res.data || "");
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const jsonStr = toJson(str);
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const video = this.getJson(jsonStr);
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return { json: jsonStr, video };
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})()
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this.hedgedGetJsonFromBases(bases, `/videos/${v}`, q, outer.signal)
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]);
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if (!vid) {
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return this.buildError({
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reason: "not_found_or_unparsable",
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videoId: v,
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requestId,
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meta: { bases, path: `/videos/${v}` }
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});
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return this.buildError({ reason: "not_found_or_unparsable", videoId: v, requestId, meta: { bases, path: `/videos/${v}` } });
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}
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let channelUploads = {};
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if (f === "true" && vid.authorId) {
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try {
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channelUploads = await this.hedgedGetJsonFromBases(bases, `/channels/${vid.authorId}`, `hl=${contentlang}®ion=${contentregion}`, outer.signal) || {};
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} catch (e) {
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if (this.debugErrors) channelUploads = { _error: { name: e.name, message: e.message } };
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}
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}
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if (!this.checkUnexistingObject(vid)) {
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return this.buildError({ reason: "missing_author", videoId: v, requestId, meta: { gotKeys: Object.keys(vid || {}) } });
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}
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let fe = { engagement: null };
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try { fe = await getdislikes(v); } catch (e) {
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if (this.debugErrors) fe = { engagement: null, _error: { name: e.name, message: e.message } };
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}
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// (rest of code unchanged: channel fetch, engagement, colors, error handling...)
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const [c1, c2] = await this.getColorsSafe(`https://i.ytimg.com/vi/${v}/hqdefault.jpg?sqp=${this.sqp}`);
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const result = {
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json: videoData?.json?.video,
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video: videoData?.video,
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vid,
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comments,
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engagement: null,
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channel_uploads: channelUploads,
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engagement: fe.engagement,
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wiki: "",
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desc: "",
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color: c1,
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@ -122,18 +306,13 @@ class InnerTubePokeVidious {
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requestId,
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fetchedAt: this.nowIso()
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};
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this.cache.set(v, { result, timestamp: Date.now() });
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return result;
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} catch (error) {
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const reason = "internal_error";
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const isAbort = (error && (error.name === "AbortError" || error.message === "aborted" || error.message === "global-timeout" || error.message === "timeout"));
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const reason = isAbort ? (error.message === "timeout" || error.message === "global-timeout" ? "upstream_timeout" : "aborted") : "internal_error";
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this.initError("Error getting video", error);
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return this.buildError({
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reason,
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videoId: v,
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requestId,
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originalError: error
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});
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return this.buildError({ reason, videoId: v, requestId, originalError: error });
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} finally {
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clearTimeout(outerTimeout);
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}
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@ -141,7 +320,6 @@ class InnerTubePokeVidious {
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}
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const pokeTubeApiCore = new InnerTubePokeVidious({
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// tubeApi removed, using t_url instead
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invapi: "https://invid-api.poketube.fun/bHj665PpYhUdPWuKPfZuQGoX/api/v1",
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invapi_alt: config.proxylocation === "EU" ? "https://invid-api.poketube.fun/api/v1" : "https://iv.ggtyler.dev/api/v1",
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dislikes: "https://returnyoutubedislikeapi.com/votes?videoId=",
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