qbit_bulk_tracker.js

(async function() {
    const qbittorrentUrl = window.location.origin; // Automatically gets the base URL of the Web UI
    const apiPath = '/api/v2';
    const trackerToAdd = "NEW TRACKER URL HERE"; // Replace with the actual tracker URL
    const specificTrackerToRemove = "OLD TRACKER URL HERE"; // What should be removed

    // Helper function to make API requests
    async function apiRequest(endpoint, method = 'GET', body = null) {
        const options = {
            method: method,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded'
            },
        };
        if (body) {
            options.body = new URLSearchParams(body).toString();
        }
        const response = await fetch(`${qbittorrentUrl}${apiPath}${endpoint}`, options);
        if (!response.ok) {
            console.error(`Error with API request to ${endpoint}:`, response.statusText);
        }
        return response.json().catch(() => null); // Return JSON if possible, otherwise null
    }

    // Step 1: Get all torrents
    const torrents = await apiRequest('/torrents/info'); // change to if need category /torrents/info?category=utopia
    if (!torrents) {
        console.error("Failed to fetch torrent information.");
        return;
    }

    // Step 2: Filter torrents by tag "utp"
    //const utpTorrents = torrents.filter(torrent => torrent.tags.split(',').includes('UTP')); //uncomment this line if you need by tag
    const utpTorrents = torrents;
    console.log(`Found ${utpTorrents.length} torrents.`);

    // Step 3: For each torrent, remove all trackers and add the new tracker
    for (const torrent of utpTorrents) {
        const hash = torrent.hash;
        var toAdd = false;
        // Step 3a: Remove only URL-based trackers (skip DHT, PeX, LSD)
        const trackers = await apiRequest(`/torrents/trackers?hash=${hash}`);
        if (trackers && trackers.length > 0) {
            for (const tracker of trackers) {
                const trackerUrl = tracker.url;
            
                // Skip non-URL trackers (DHT, PeX, LSD)
                if (!(trackerUrl.startsWith('http://') || trackerUrl.startsWith('https://'))) {
                    continue;
                }
            
                // If a specific tracker URL is provided, only remove it
                if (specificTrackerToRemove) {
                    if (trackerUrl === specificTrackerToRemove) {
                        console.log(`Removing specific tracker: ${trackerUrl} for torrent: ${torrent.name}`);
                        await apiRequest('/torrents/removeTrackers', 'POST', {
                            hash: hash,
                            urls: trackerUrl
                        });
                        toAdd = true;
                    } else {
                       // console.log(`Skipping tracker: ${trackerUrl} (does not match specific URL) for torrent: ${torrent.name}`);
                    }
                } 
            }
        } else {
            console.log(`No trackers found for torrent: ${torrent.name}`);
        }

        // Step 3b: Add the new tracker
        if(!toAdd) continue;
        console.log(`Adding tracker: ${trackerToAdd} to torrent: ${torrent.name}`);
        await apiRequest('/torrents/addTrackers', 'POST', {
            hash: hash,
            urls: trackerToAdd
        });

    }

    console.log("Operation completed.");
})();