Using mozMobileConnections with MNC and MCC to enable app features for specific country/carrier combinations

detectByConnection.js

var mccs = [];

try {
	// navigator.mozMobileConnections is the new API.
	// navigator.mozMobileConnection is the legacy API.
	var conn;
	if ((conn = navigator.mozMobileConnection)) {
		console.log('navigator.mozMobileConnection available');

		// `MCC`: Mobile Country Code
		// `MNC`: Mobile Network Code
		// `lastKnownHomeNetwork`: `{MCC}-{MNC}` (SIM's origin)
		// `lastKnownNetwork`: `{MCC}-{MNC}` (could be different network if roaming)
		var network = (conn.lastKnownHomeNetwork || conn.lastKnownNetwork || '-').split('-');
		mcc = network[0];
		mnc = network[1];
		console.log('MCC = ' + mcc + ', MNC = ' + mnc);
		mccs.push([mcc, mnc]);

	} else if ((conn = navigator.mozMobileConnections)) {
		console.log('navigator.mozMobileConnections available');

		for (var i = 0; i < conn.length; i++) {
			var connData = conn[i].data;
			if (connData && connData.network) {
				mccs.push({
					mcc: connData.network.mcc,
					mnc: connData.network.mnc
				});
			}
		}
	}
} catch (e) {
	// Fail gracefully if `navigator.mozMobileConnection` gives us problems.
	console.warn('Error accessing navigator.mozMobileConnection:', e);
}

var enableApp = false;

if (mccs.length) {
	// Look up region and carrier from MCC (Mobile Country Code)
	// and MNC (Mobile Network Code).
	// Codes from https://gist.github.com/digitarald/5717512
	
	// Make your own list, mcc as index and mncs as array
	var enabledMccs = {
		'732': [123], // Colombia
		'734': [4], // Venezuela
		'214': [5, 7], // Spain
		'724': [6, 10, 11, 23] // Brazil
	};

	// First returned "true" will stop .some iteration
	enableApp = mccs.some(function(mccData) {
		// Country is in list
		var mncs = enabledMccs[mccData.mcc];
		// Carrier is in country list
		return mncs && (mncs.indexOf(mccData.mnc) >= 0);
	});
}

if (enableApp) {
	App.start();
}