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filter false opensubtitles subtitle candidates

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dirtydishes 2026-05-25 12:22:58 -04:00
parent 6008272d0a
commit 11ed364094
6 changed files with 465 additions and 9 deletions
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50
Dreamio/DreamioWebViewController.swift
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@ -84,6 +84,11 @@ final class DreamioWebViewController: UIViewController {
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 subtitleExtensions = new Set(["srt", "vtt", "ass", "ssa", "sub"]);
const nonSubtitleExtensions = new Set([
"aac", "avi", "bmp", "css", "gif", "heic", "ico", "jpeg", "jpg", "js", "json",
"m4a", "m4v", "mkv", "mov", "mp3", "mp4", "mpeg", "mpg", "png", "svg", "ts", "webm", "webp"
]);
const subtitleObjectKeys = [
"attributes",
"files",
@ -125,14 +130,51 @@ final class DreamioWebViewController: UIViewController {
}
};
const isDirectSubtitleFileURL = (url) => {
try {
const parsed = new URL(url, window.location.href);
const extension = parsed.pathname.split(".").pop().toLowerCase();
return subtitleExtensions.has(extension)
|| Array.from(subtitleExtensions).some((ext) => parsed.href.toLowerCase().includes(`.${ext}?`) || parsed.href.toLowerCase().includes(`.${ext}&`));
} catch (_) {
return false;
}
};
const isProbablyNonSubtitleAssetURL = (url) => {
try {
const extension = new URL(url, window.location.href).pathname.split(".").pop().toLowerCase();
return nonSubtitleExtensions.has(extension);
} catch (_) {
return false;
}
};
const isOpenSubtitlesDownloadURL = (url) => {
try {
const parsed = new URL(url, window.location.href);
const host = parsed.hostname.toLowerCase();
const path = parsed.pathname.toLowerCase();
if (!host.includes("opensubtitles")) {
return false;
}
if (/\/manifest\.json(?:_\d+)?$/i.test(path)) {
return false;
}
return /\/api\/v1\/download(?:\/|$)/i.test(path)
|| /\/download(?:\/|$)/i.test(path)
|| /\/subtitles?(?:\/|$)/i.test(path);
} catch (_) {
return false;
}
};
const isSubtitleURL = (url) => {
if (!url || isOpenSubtitlesManifestID(url)) {
return false;
}
subtitleURLPattern.lastIndex = 0;
const matches = subtitleURLPattern.test(url) || /api\.opensubtitles\.com\/api\/v1\/download/i.test(url);
subtitleURLPattern.lastIndex = 0;
return matches;
return !isProbablyNonSubtitleAssetURL(url)
&& (isDirectSubtitleFileURL(url) || isOpenSubtitlesDownloadURL(url));
};
const findResolverURL = () => {