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fix: impersonate Chrome for Bandcamp downloads #94

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Merged
D3SOX merged 2 commits into from
Aug 4, 2026
Merged

fix: impersonate Chrome for Bandcamp downloads #94

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a8b8837
fix: impersonate Chrome for Bandcamp downloads
D3SOX Aug 4, 2026
5800e3c
docs: require yt-dlp impersonation support
D3SOX Aug 4, 2026
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13 changes: 12 additions & 1 deletion src/ytdlp.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import { lookpath } from 'find-bin';
import type { BandcampAlbumTrackChoice, JobProgress } from './types';
import {
isBandcampAlbumUrl,
isBandcampUrl,
isSoundcloudUrl,
writeSoundcloudNetscapeCookies,
} from './utils';
Expand All @@ -30,6 +31,8 @@ const YTDLP_DOWNLOAD_TIMEOUT_MS = 10 * 60_000;
const YTDLP_METADATA_TIMEOUT_MS = 60_000;
const ALBUM_MATCH_THRESHOLD = 0.5;
const PROGRESS_PREFIX = 'SC_GATE_DL_PROGRESS:';
// Work around Bandcamp's client challenge: https://github.com/yt-dlp/yt-dlp/issues/17356
const BANDCAMP_IMPERSONATION_ARGS = ['--impersonate', 'chrome'];
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type FlatEntry = {
id?: string;
Expand Down Expand Up @@ -284,11 +287,13 @@ export class YtDlpDownloader {
await mkdir(DOWNLOADS_DIR, { recursive: true });

const outputTemplate = join(DOWNLOADS_DIR, '%(title)s [%(id)s].%(ext)s');
const bandcamp = isBandcampUrl(downloadUrl);
const soundcloud = isSoundcloudUrl(downloadUrl);
// Prefer SoundCloud's original upload (`download`) when the track allows it.
// That format is only listed for registered users — pass cookies when available.
const format = soundcloud ? 'download/bestaudio/best' : 'bestaudio/best';
const args = [
...(bandcamp ? BANDCAMP_IMPERSONATION_ARGS : []),
'--no-mtime',
'--no-playlist',
'--newline',
Expand Down Expand Up @@ -415,7 +420,13 @@ export class YtDlpDownloader {

const stdout = await this.runYtDlp(
ytDlpBin,
['--flat-playlist', '-J', '--no-warnings', albumUrl],
[
...BANDCAMP_IMPERSONATION_ARGS,
'--flat-playlist',
'-J',
'--no-warnings',
albumUrl,
],
YTDLP_METADATA_TIMEOUT_MS,
);

Expand Down