1  /**
 2   * YouTube unsubscribe — unsubscribe from a channel via InnerTube subscription API.
 3   */
 4  import { cli, Strategy } from '@jackwener/opencli/registry';
 5  import { prepareYoutubeApiPage, SAPISID_HASH_FN, RESOLVE_CHANNEL_HANDLE_FN } from './utils.js';
 6  import { CommandExecutionError, AuthRequiredError } from '@jackwener/opencli/errors';
 7  
 8  cli({
 9      site: 'youtube',
10      name: 'unsubscribe',
11      description: 'Unsubscribe from a YouTube channel',
12      domain: 'www.youtube.com',
13      strategy: Strategy.COOKIE,
14      args: [
15          { name: 'channel', required: true, positional: true, help: 'Channel ID (UCxxxx) or handle (@name)' },
16      ],
17      columns: ['status', 'message'],
18      func: async (page, kwargs) => {
19          const channelInput = String(kwargs.channel);
20          await prepareYoutubeApiPage(page);
21          const result = await page.evaluate(`
22        (async () => {
23          ${SAPISID_HASH_FN}
24  
25          const cfg = window.ytcfg?.data_ || {};
26          const apiKey = cfg.INNERTUBE_API_KEY;
27          const context = cfg.INNERTUBE_CONTEXT;
28          if (!apiKey || !context) return { error: 'config', message: 'YouTube config not found' };
29  
30          const authHash = await getSapisidHash('https://www.youtube.com');
31          if (!authHash) return { error: 'auth', message: 'Not logged in (SAPISID cookie missing)' };
32  
33          ${RESOLVE_CHANNEL_HANDLE_FN}
34  
35          let channelId = ${JSON.stringify(channelInput)};
36          channelId = await resolveChannelHandle(channelId, apiKey, context);
37  
38          if (!channelId.startsWith('UC')) {
39            return { error: 'arg', message: 'Could not resolve channel ID from: ' + ${JSON.stringify(channelInput)} };
40          }
41  
42          const resp = await fetch('/youtubei/v1/subscription/unsubscribe?key=' + apiKey + '&prettyPrint=false', {
43            method: 'POST',
44            credentials: 'include',
45            headers: {
46              'Content-Type': 'application/json',
47              'Authorization': authHash,
48              'X-Origin': 'https://www.youtube.com',
49            },
50            body: JSON.stringify({ context, channelIds: [channelId] }),
51          });
52  
53          if (resp.status === 401 || resp.status === 403) return { error: 'auth', message: 'Not logged in' };
54          if (!resp.ok) {
55            const body = await resp.json().catch(() => ({}));
56            const errStatus = body?.error?.status || '';
57            if (errStatus === 'UNAUTHENTICATED') return { error: 'auth', message: 'Not logged in' };
58            return { error: 'http', message: 'HTTP ' + resp.status + (errStatus ? ' ' + errStatus : '') };
59          }
60          return { ok: true, channelId };
61        })()
62      `);
63          if (result?.error === 'auth') {
64              throw new AuthRequiredError('www.youtube.com');
65          }
66          if (result?.error) {
67              throw new CommandExecutionError(result.message || 'Failed to unsubscribe');
68          }
69          return [{ status: 'success', message: 'Unsubscribed from: ' + (result.channelId || channelInput) }];
70      },
71  });