Validate timeout durations

server/chat-plugins/announcements.ts

@@ -96,14 +96,17 @@ export const commands: ChatCommands = {
 					return this.add(this.tr("The announcement timer was turned off."));
 				}
 				const timeout = parseFloat(target);
-				if (isNaN(timeout) || timeout <= 0 || timeout > 0x7FFFFFFF) return this.errorReply(this.tr("Invalid time given."));
+				const timeoutMs = timeout * 60 * 1000;
+				if (isNaN(timeoutMs) || timeoutMs <= 0 || timeoutMs > Chat.MAX_TIMEOUT_DURATION) {
+					return this.errorReply(this.tr("Invalid time given."));
+				}
 				if (announcement.timeout) clearTimeout(announcement.timeout);
 				announcement.timeoutMins = timeout;
 				announcement.timeout = setTimeout(() => {
 					if (!room) return; // do nothing if the room doesn't exist anymore
 					if (announcement) announcement.end();
 					room.minorActivity = null;
-				}, (timeout * 60000));
+				}, timeoutMs);
 				room.add(`The announcement timer was turned on: the announcement will end in ${timeout} minute${Chat.plural(timeout)}.`);
 				this.modlog('ANNOUNCEMENT TIMER', null, `${timeout} minutes`);
 				return this.privateModAction(`The announcement timer was set to ${timeout} minute${Chat.plural(timeout)} by ${user.name}.`);

server/chat-plugins/blackjack.ts

@@ -667,7 +667,7 @@ export const commands: ChatCommands = {
 			if (room.game) return this.errorReply("There is already a game running in this room.");
 			if (room.settings.blackjackDisabled) return this.errorReply("Blackjack is currently disabled in this room.");
 			const autostartMinutes = target ? parseFloat(target) : 0;
-			if (isNaN(autostartMinutes)) {
+			if (isNaN(autostartMinutes) || autostartMinutes <= 0 || (autostartMinutes * 60 * 1000) > Chat.MAX_TIMEOUT_DURATION) {
 				return this.errorReply("Usage: /blackjack create [autostart] - where autostart is an integer");
 			}
 

server/chat-plugins/poll.ts

@@ -444,7 +444,9 @@ export const commands: ChatCommands = {
 					return this.add(this.tr("The poll timer was turned off."));
 				}
 				const timeout = parseFloat(target);
-				if (isNaN(timeout) || timeout <= 0 || timeout > 0x7FFFFFFF) return this.errorReply(this.tr("Invalid time given."));
+				if (isNaN(timeout) || timeout <= 0 || timeout > Chat.MAX_TIMEOUT_DURATION) {
+					return this.errorReply(this.tr("Invalid time given."));
+				}
 				if (poll.timeout) clearTimeout(poll.timeout);
 				poll.timeoutMins = timeout;
 				poll.timeout = setTimeout(() => {

server/chat-plugins/scavengers.ts

@@ -571,9 +571,7 @@ export class ScavengerHunt extends Rooms.RoomGame {
 		return true;
 	}
 
-	setTimer(minutes: string | number) {
-		minutes = Number(minutes);
-
+	setTimer(minutes: number) {
 		if (this.timer) {
 			clearTimeout(this.timer);
 			this.timer = null;
@@ -1483,7 +1481,12 @@ const ScavengerCommands: ChatCommands = {
 		const game = room.getGame(ScavengerHunt);
 		if (!game) return this.errorReply(`There is no scavenger hunt currently running.`);
 
-		const result = game.setTimer(target);
+		const minutes = parseInt(target);
+		if (isNaN(minutes) || minutes <= 0 || (minutes * 60 * 1000) > Chat.MAX_TIMEOUT_DURATION) {
+			throw new Chat.ErrorMessage(`You must specify a timer length that is a postive number.`);
+		}
+
+		const result = game.setTimer(minutes);
 		const message = `The scavenger timer has been ${(result === 'off' ? "turned off" : `set to ${result} minutes`)}`;
 
 		room.add(message + '.');

server/chat-plugins/trivia.ts

@@ -2363,7 +2363,7 @@ const mastermindCommands: ChatCommands = {
 		}
 		const categoryName = ALL_CATEGORIES[CATEGORY_ALIASES[category] || category];
 		const timeout = parseInt(timeoutString);
-		if (isNaN(timeout) || timeout < 1) {
+		if (isNaN(timeout) || timeout < 1 || (timeout * 1000) > Chat.MAX_TIMEOUT_DURATION) {
 			return this.errorReply(this.tr`You must specify a round length of at least 1 second.`);
 		}
 
@@ -2386,7 +2386,7 @@ const mastermindCommands: ChatCommands = {
 		if (!target) return this.parse(`/help mastermind finals`);
 
 		const timeout = parseInt(target);
-		if (isNaN(timeout) || timeout < 1) {
+		if (isNaN(timeout) || timeout < 1 || (timeout * 1000) > Chat.MAX_TIMEOUT_DURATION) {
 			return this.errorReply(this.tr`You must specify a length of at least 1 second.`);
 		}
 

server/chat.ts

@@ -1368,6 +1368,13 @@ export const Chat = new class {
 		});
 	}
 	translationsLoaded = false;
+	/**
+	 * As per the node.js documentation at https://nodejs.org/api/timers.html#timers_settimeout_callback_delay_args,
+	 * timers with durations that are too long for a 32-bit signed integer will be invoked after 1 millisecond,
+	 * which tends to cause unexpected behavior.
+	 */
+	readonly MAX_TIMEOUT_DURATION = 2147483647;
+
 	readonly multiLinePattern = new PatternTester();
 
 	/*********************************************************

server/tournaments/index.ts

@@ -1659,9 +1659,12 @@ const commands: ChatCommands = {
 					target = 'off';
 					tournament.autostartcap = false;
 				}
-				const timeout = target.toLowerCase() === 'off' ? Infinity : target;
-				if (tournament.setAutoStartTimeout(Number(timeout) * 60 * 1000, this)) {
-					this.privateModAction(`The tournament auto start timer was set to  ${target} by ${user.name}`);
+				const timeout = target.toLowerCase() === 'off' ? Infinity : Number(target) * 60 * 1000;
+				if (timeout <= 0 || (timeout !== Infinity && timeout > Chat.MAX_TIMEOUT_DURATION)) {
+					return this.errorReply(`The automatic tournament start timer must be set to a positive number.`);
+				}
+				if (tournament.setAutoStartTimeout(timeout, this)) {
+					this.privateModAction(`The tournament auto start timer was set to ${target} by ${user.name}`);
 					this.modlog('TOUR AUTOSTART', null, timeout === Infinity ? 'off' : target);
 				}
 			}
@@ -1682,6 +1685,9 @@ const commands: ChatCommands = {
 			}
 			if (target.toLowerCase() === 'infinity' || target === '0') target = 'off';
 			const timeout = target.toLowerCase() === 'off' ? Infinity : Number(target) * 60 * 1000;
+			if (timeout <= 0 || (timeout !== Infinity && timeout > Chat.MAX_TIMEOUT_DURATION)) {
+				return this.errorReply(`The automatic disqualification timer must be set to a positive number.`);
+			}
 			if (timeout === tournament.autoDisqualifyTimeout) {
 				return this.errorReply(`The automatic tournament disqualify timer is already set to ${target} minute(s).`);
 			}