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2276d59 62527b4 2276d59 62527b4 2276d59 62527b4 2276d59 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | import { Response } from 'express';
import { logger } from '../infra/logger.util.js';
import {
VideoInfo,
SpotifyMetadata,
FinalResponse,
} from '../../types/index.js';
import { FinalResponseSchema } from '../../../../shared/schemas/media.schema.js';
import {
processVideoFormats,
processAudioFormats,
} from '../media/format.util.js';
import {
normalizeTitle,
normalizeArtist,
getBestThumbnail,
proxyThumbnailIfNeeded,
} from '../../services/social.service.js';
async function _resolveThumbnail(
info: VideoInfo,
isSpotify: boolean,
spotifyData: SpotifyMetadata | null,
videoURL: string
): Promise<string> {
const spotifyImg =
spotifyData?.cover ||
spotifyData?.thumbnail ||
info?.thumbnail ||
info?.cover;
let finalThumbnail = getBestThumbnail(info);
if (isSpotify && spotifyImg) {
finalThumbnail = await proxyThumbnailIfNeeded(spotifyImg, videoURL);
} else {
finalThumbnail = await proxyThumbnailIfNeeded(finalThumbnail, videoURL);
}
return finalThumbnail || '/logo.webp';
}
function _getSpotifyPayload(
info: VideoInfo,
spotifyData: SpotifyMetadata,
videoURL: string
) {
return {
id: info.id || spotifyData.id || videoURL,
title: spotifyData.title || info.title,
artist: spotifyData.artist || info.artist || 'Unknown',
uploader: spotifyData.artist || info.artist || info.uploader,
album: spotifyData.album || info.album || '',
previewUrl: spotifyData.previewUrl || info.previewUrl,
};
}
function _mapFinalMetadata(
info: VideoInfo,
spotifyData: SpotifyMetadata | null,
finalTitle: string,
finalArtist: string,
finalThumbnail: string,
isSpotify: boolean,
videoURL: string
): FinalResponse {
const isPartial = Boolean(info.isPartial);
const isIsrcMatch = Boolean(info.isIsrcMatch);
const isJsInfo = Boolean(info.isJsInfo);
// youtube keeps raw title; social normalized
const isYouTube =
videoURL.includes('youtube.com') || videoURL.includes('youtu.be');
const base =
isSpotify && spotifyData
? _getSpotifyPayload(info, spotifyData, videoURL)
: {
id: info.id || videoURL,
title: isYouTube
? info.title || finalTitle
: finalTitle || info.title,
artist: finalArtist || info.artist || 'Unknown',
uploader: finalArtist || info.artist || info.uploader,
album: info.album || '',
previewUrl: info.previewUrl || null,
};
const payload = {
...base,
cover: finalThumbnail,
thumbnail: finalThumbnail,
duration: info.duration,
formats: processVideoFormats(info),
// keep audio split out by normalizers
audioFormats: info.audioFormats?.length
? info.audioFormats
: processAudioFormats(info),
spotifyMetadata: spotifyData
? { ...spotifyData, type: 'spotify' as const }
: undefined,
isPartial,
isrc: spotifyData?.isrc || info.isrc,
isIsrcMatch,
isJsInfo,
webpageUrl: videoURL,
};
return FinalResponseSchema.parse(payload);
}
export async function prepareFinalResponse(
info: VideoInfo,
isSpotify: boolean,
spotifyData: SpotifyMetadata | null,
videoURL: string
): Promise<FinalResponse> {
const finalThumbnail = await _resolveThumbnail(
info,
isSpotify,
spotifyData,
videoURL
);
const finalTitle = normalizeTitle(info);
const finalArtist = normalizeArtist(info);
if (isSpotify) {
const preview = spotifyData?.previewUrl || info.previewUrl;
if (preview) {
logger.info(`[Response] Sending Preview: ${preview.substring(0, 50)}...`);
} else {
logger.info(
`[Response] No Preview found for ${spotifyData?.title || info.title}`
);
}
}
return _mapFinalMetadata(
info,
spotifyData,
finalTitle,
finalArtist,
finalThumbnail,
isSpotify,
videoURL
);
}
export function prepareBrainResponse(spotifyData: SpotifyMetadata) {
const duration =
spotifyData.duration ||
(spotifyData.audioFeatures?.duration_ms
? spotifyData.audioFeatures.duration_ms / 1000
: 0);
return {
title: spotifyData.title,
artist: spotifyData.artist,
album: spotifyData.album,
cover: spotifyData.cover || '/logo.webp',
thumbnail: spotifyData.thumbnail || '/logo.webp',
duration,
previewUrl: spotifyData.previewUrl,
formats: spotifyData.formats ?? [],
audioFormats: spotifyData.audioFormats ?? [],
spotifyMetadata: spotifyData,
};
}
export function setupConvertResponse(
res: Response,
filename: string,
format: string,
_size = 0
) {
const mimeTypes: Record<string, string> = {
mp3: 'audio/mpeg',
m4a: 'audio/mp4',
mp4: 'video/mp4',
opus: 'audio/opus',
ogg: 'audio/ogg',
jpg: 'image/jpeg',
jpeg: 'image/jpeg',
png: 'image/png',
};
const safeName = encodeURIComponent(filename);
const asciiName = filename.replaceAll(/[^\u0020-\u007E]/gu, '');
res.setHeader(
'Content-Disposition',
`attachment; filename="${asciiName.replaceAll('"', '')}"; filename*=UTF-8''${safeName}`
);
res.setHeader(
'Content-Type',
mimeTypes[format] || 'application/octet-stream'
);
res.setHeader(
'Cache-Control',
'no-store, no-cache, must-revalidate, proxy-revalidate'
);
res.setHeader('Accept-Ranges', 'bytes');
}
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