88 lines
2.4 KiB
JavaScript
88 lines
2.4 KiB
JavaScript
/**
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* Per-channel rename rate limiting with queue.
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* Discord allows 2 channel renames per 10 minutes per channel.
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* We use a 9-minute window for safety margin.
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*/
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const RENAME_WINDOW_MS = 9 * 60 * 1000;
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const RENAME_LIMIT = 2;
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// Per-channel state: { count, windowStart, queue: [{newName, resolve, reject}], processing }
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const renameState = new Map();
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function getOrInitState(channelId) {
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let state = renameState.get(channelId);
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if (!state) {
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state = { count: 0, windowStart: 0, queue: [], processing: false };
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renameState.set(channelId, state);
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}
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return state;
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}
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async function executeRename(channel, newName) {
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await channel.setName(newName);
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}
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function processQueue(channel, state) {
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if (state.queue.length === 0 || state.processing) return;
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const now = Date.now();
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const timeUntilExpiry = (state.windowStart + RENAME_WINDOW_MS) - now;
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if (timeUntilExpiry > 0) {
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state.processing = true;
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setTimeout(async () => {
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state.processing = false;
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// New window
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if (state.queue.length > 3) {
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const { logWarn } = require('../services/debugLog');
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logWarn('renameQueue', `Channel ${channel.name} has ${state.queue.length} renames queued`).catch(() => {});
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}
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const item = state.queue.shift();
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if (!item) return;
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state.count = 1;
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state.windowStart = Date.now();
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try {
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await executeRename(channel, item.newName);
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item.resolve();
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} catch (err) {
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item.reject(err);
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}
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// Continue processing remaining queue items
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processQueue(channel, state);
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}, timeUntilExpiry);
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}
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}
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function enqueueRename(channel, newName) {
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return new Promise((resolve, reject) => {
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const state = getOrInitState(channel.id);
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const now = Date.now();
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// Window expired — reset
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if (now - state.windowStart >= RENAME_WINDOW_MS) {
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state.count = 1;
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state.windowStart = now;
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executeRename(channel, newName).then(resolve).catch(reject);
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return;
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}
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// Within window and under limit
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if (state.count < RENAME_LIMIT) {
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state.count++;
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executeRename(channel, newName).then(resolve).catch(reject);
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return;
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}
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// At limit — queue it
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state.queue.push({ newName, resolve, reject });
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processQueue(channel, state);
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});
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}
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function enqueueMove(channel, categoryId) {
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return channel.setParent(categoryId, { lockPermissions: true });
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}
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module.exports = { enqueueRename, enqueueMove };
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