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trace stremio subtitle discovery

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dirtydishes 2026-05-25 10:31:54 -04:00
parent ff0ee65538
commit c571eb8873
4 changed files with 145 additions and 8 deletions
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65
Dreamio/DreamioWebViewController.swift
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@ -81,6 +81,7 @@ final class DreamioWebViewController: UIViewController {
const subtitleCandidates = [];
const postedSubtitleURLs = new Set();
const subtitleURLPattern = /https?:\/\/[^\s"'<>]+(?:\.srt|\.vtt|\.ass|\.ssa|\.sub|opensubtitles|subtitle)[^\s"'<>]*/ig;
const subtitleSignalPattern = /subtitle|subtitles|opensubtitles|vtt|srt|ass|ssa/i;
const looksNative = (url) => {
if (!url || typeof url !== "string") {
@ -126,7 +127,7 @@ final class DreamioWebViewController: UIViewController {
} catch (_) {}
};
const postSubtitleCandidates = (candidates) => {
const postSubtitleCandidates = (candidates, debug = {}) => {
const discoveredCount = candidates.length;
const fresh = candidates.filter((candidate) => {
if (postedSubtitleURLs.has(candidate.url)) {
@ -143,7 +144,8 @@ final class DreamioWebViewController: UIViewController {
debug: {
discovered: discoveredCount,
deduped: 0,
forwarded: 0
forwarded: 0,
...debug
}
});
} catch (_) {}
@ -156,14 +158,28 @@ final class DreamioWebViewController: UIViewController {
debug: {
discovered: discoveredCount,
deduped: fresh.length,
forwarded: fresh.length
forwarded: fresh.length,
...debug
}
});
} catch (_) {}
};
const addSubtitleCandidate = (entry) => {
const rawURL = typeof entry === "string" ? entry : entry && (entry.url || entry.href || entry.src || entry.file || entry.download);
const rawURL = typeof entry === "string"
? entry
: entry && (
entry.url ||
entry.href ||
entry.src ||
entry.link ||
entry.file ||
entry.download ||
entry.externalUrl ||
entry.externalURL ||
entry.fileUrl ||
entry.fileURL
);
const url = absoluteURL(rawURL);
subtitleURLPattern.lastIndex = 0;
if (!url || !subtitleURLPattern.test(url)) {
@ -183,6 +199,19 @@ final class DreamioWebViewController: UIViewController {
postSubtitleCandidates([candidate]);
};
const postSubtitleInspection = (source, url, beforeCount, afterCount, payloadLength) => {
if (afterCount > beforeCount) {
return;
}
postSubtitleCandidates([], {
source,
inspected: true,
url: url || "",
payloadLength: payloadLength || 0,
totalKnown: subtitleCandidates.length
});
};
const inspectSubtitlePayload = (payload) => {
if (!payload) {
return;
@ -206,6 +235,12 @@ final class DreamioWebViewController: UIViewController {
}
};
const inspectSubtitleText = (source, url, text) => {
const beforeCount = subtitleCandidates.length;
inspectSubtitlePayload(text);
postSubtitleInspection(source, url, beforeCount, subtitleCandidates.length, text ? text.length : 0);
};
const originalFetch = window.fetch;
if (originalFetch) {
window.fetch = async (...args) => {
@ -216,10 +251,13 @@ final class DreamioWebViewController: UIViewController {
subtitleURLPattern.lastIndex = 0;
const shouldInspect = !contentType
|| /json|text|javascript|xml|subtitle|vtt|srt/i.test(contentType)
|| subtitleURLPattern.test(url);
|| subtitleURLPattern.test(url)
|| subtitleSignalPattern.test(url);
if (shouldInspect) {
subtitleURLPattern.lastIndex = 0;
response.clone().text().then(inspectSubtitlePayload).catch(() => {});
response.clone().text().then((text) => {
inspectSubtitleText("fetch", url, text);
}).catch(() => {});
}
} catch (_) {}
return response;
@ -235,7 +273,13 @@ final class DreamioWebViewController: UIViewController {
if (responseType && responseType !== "text") {
return;
}
inspectSubtitlePayload(this.responseText);
const url = this.responseURL || "";
const text = this.responseText || "";
if (subtitleSignalPattern.test(url) || subtitleSignalPattern.test(text)) {
inspectSubtitleText("xhr", url, text);
} else {
inspectSubtitlePayload(text);
}
} catch (_) {}
});
} catch (_) {}
@ -685,8 +729,13 @@ final class DreamioWebViewController: UIViewController {
let discovered = debug?["discovered"] as? Int ?? parsedCandidates.count
let deduped = debug?["deduped"] as? Int ?? parsedCandidates.count
let posted = debug?["forwarded"] as? Int ?? parsedCandidates.count
let source = debug?["source"] as? String ?? "bridge"
let inspected = debug?["inspected"] as? Bool ?? false
let inspectedURL = (debug?["url"] as? String).map(redactedURLString) ?? "none"
let payloadLength = debug?["payloadLength"] as? Int ?? 0
let totalKnown = debug?["totalKnown"] as? Int ?? parsedCandidates.count
let pageURL = dictionary?["pageUrl"] as? String
print("[DreamioSubtitles] bridge discovered=\(discovered) deduped=\(deduped) posted=\(posted) parsed=\(parsedCandidates.count) playerActive=\(currentNativePlayer != nil) page=\(pageURL.map(redactedURLString) ?? "unknown") candidates=\(SubtitleDebugFormatter.candidateSummary(parsedCandidates))")
print("[DreamioSubtitles] bridge source=\(source) inspected=\(inspected) discovered=\(discovered) deduped=\(deduped) posted=\(posted) parsed=\(parsedCandidates.count) totalKnown=\(totalKnown) payloadLength=\(payloadLength) playerActive=\(currentNativePlayer != nil) inspectedURL=\(inspectedURL) page=\(pageURL.map(redactedURLString) ?? "unknown") candidates=\(SubtitleDebugFormatter.candidateSummary(parsedCandidates))")
}
#endif
}