snappymail/plugins/recaptcha/js/recaptcha.js

$(function () {
	
	var 
		bShown = false
	;
	
	function ShowRecaptcha()
	{
		if (window.Recaptcha)
		{
			if (bShown)
			{
				window.Recaptcha.reload();
			}
			else
			{
				window.Recaptcha.create(window.rl.pluginSettingsGet('recaptcha', 'public_key'), 'recaptcha-place', {
					'theme': 'custom',
					'lang': window.rl.settingsGet('Language')
				});
			}

			bShown = true;
		}
	}
	
	function StartRecaptcha()
	{
		if (!window.Recaptcha)
		{
			$.getScript('//www.google.com/recaptcha/api/js/recaptcha_ajax.js', ShowRecaptcha);
		}
		else
		{
			ShowRecaptcha();
		}
	}
	
	window.rl.addHook('view-model-on-show', function (sName, oViewModel) {
		if ('LoginViewModel' === sName && oViewModel && window.rl.pluginSettingsGet('recaptcha', 'show_captcha_on_login'))
		{
			StartRecaptcha();
		}
	});
	
	window.rl.addHook('ajax-default-request', function (sAction, oParameters) {
		if ('Login' === sAction && oParameters && bShown && window.Recaptcha)
		{
			oParameters['RecaptchaChallenge'] = window.Recaptcha.get_challenge();
			oParameters['RecaptchaResponse'] = window.Recaptcha.get_response();
		}
	});

	window.rl.addHook('ajax-default-response', function (sAction, oData, sType) {
		if ('Login' === sAction)
		{
			if (!oData || 'success' !== sType || !oData['Result'])
			{
				if (bShown && window.Recaptcha)
				{
					window.Recaptcha.reload();
				}
				else if (oData && oData['Captcha'])
				{
					StartRecaptcha();
				}
			}
		}
	});
});