Rocket.Chat/server/methods/getRoomIdByNameOrId.js

// DEPRECATE
Meteor.methods({
	getRoomIdByNameOrId(rid) {
		check(rid, String);

		if (!Meteor.userId()) {
			throw new Meteor.Error('error-invalid-user', 'Invalid user', {
				method: 'getRoomIdByNameOrId',
			});
		}

		const room = RocketChat.models.Rooms.findOneById(rid) || RocketChat.models.Rooms.findOneByName(rid);

		if (room == null) {
			throw new Meteor.Error('error-not-allowed', 'Not allowed', {
				method: 'getRoomIdByNameOrId',
			});
		}

		if (!RocketChat.authz.canAccessRoom(room, Meteor.user())) {
			throw new Meteor.Error('error-not-allowed', 'Not allowed', {
				method: 'getRoomIdByNameOrId',
			});
		}

		return room._id;
	},
});