doushio/admin/common.js

Real-time imageboard

var config = require('../config');
var common = require('../common');

var DEFINES = exports;
DEFINES.FETCH_ADDRESS = 101;
DEFINES.SET_ADDRESS_NAME = 102;
DEFINES.BAN = 103;

var modCache = {}; // TEMP
exports.modCache = modCache;

var delayNames = ['now', 'soon', 'later'];
var delayDurations = {now: 0, soon: 60, later: 20*60};
exports.delayDurations = delayDurations;

var mnemonicStarts = ',k,s,t,d,n,h,b,p,m,f,r,g,z,l,ch'.split(',');
var mnemonicEnds = "a,i,u,e,o,a,i,u,e,o,ya,yi,yu,ye,yo,'".split(',');

function ip_mnemonic(ip) {
	if (!is_valid_ip(ip))
		return '<bad IP>';
	var nums = ip.split('.');
	var mnemonic = '';
	for (var i = 0; i < 4; i++) {
		var n = parseInt(nums[i], 10);
		var s = mnemonicStarts[Math.floor(n / 16)] +
				mnemonicEnds[n % 16];
		mnemonic += s;
	}
	return mnemonic;
}

function append_mnemonic(info) {
	var header = info.header, ip = info.data.ip;
	if (!ip)
		return;
	var mnemonic = config.IP_MNEMONIC && ip_mnemonic(ip);

	// Terrible hack.
	if (mnemonic && modCache.addresses) {
		var addr = modCache.addresses[ip];
		if (addr && addr.name)
			mnemonic += ' "' + addr.name + '"';
	}

	var title = mnemonic ? ' title="'+escape(ip)+'"' : '';
	header.push(common.safe(' <a class="mod addr"' + title + '>'),
			mnemonic || ip, common.safe('</a>'));
}

function denote_hidden(info) {
	if (info.data.hide)
		info.header.push(common.safe(
				' <em class="mod hidden">(hidden)</em>'));
}
exports.denote_hidden = denote_hidden;

function is_valid_ip(ip) {
	if (typeof ip != 'string' || !/^\d+\.\d+\.\d+\.\d+$/.exec(ip))
		return false;
	var nums = ip.split('.');
	for (var i = 0; i < 4; i++) {
		var n = parseInt(nums[i], 10);
		if (n > 255)
			return false;
		if (n && nums[i][0] == '0')
			return false;
	}
	return true;
}
exports.is_valid_ip = is_valid_ip;

if (typeof IDENT != 'undefined') {
	/* client */
	window.ip_mnemonic = ip_mnemonic;
	oneeSama.hook('headerName', append_mnemonic);
	oneeSama.hook('headerName', denote_hidden);
}
else {
	exports.append_mnemonic = append_mnemonic;
}