/*
 * @package    solo
 * @copyright  Copyright (c)2014-2019 Nicholas K. Dionysopoulos / Akeeba Ltd
 * @license    GNU GPL version 3 or later
 */

/**
 * Setup (required for Joomla! 3)
 */
if (typeof(akeeba) === 'undefined')
{
	var akeeba = {};
}

if (typeof(akeeba.jQuery) === 'undefined')
{
	akeeba.jQuery = jQuery;
}


/*
 *	https://raw.githubusercontent.com/douglascrockford/JSON-js/master/json2.js
 *  2016-05-01
 *  Public Domain.
 *  NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
 *  See http://www.JSON.org/js.html
 */
// Create a JSON object only if one does not already exist. We create the
// methods in a closure to avoid creating global variables.

if (typeof JSON !== "object")
{
	JSON = {};
}

(function ()
{
	"use strict";

	var rx_one       = /^[\],:{}\s]*$/;
	var rx_two       = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
	var rx_three     = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
	var rx_four      = /(?:^|:|,)(?:\s*\[)+/g;
	var rx_escapable = /[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
	var rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;

	function f(n)
	{
		// Format integers to have at least two digits.
		return n < 10
			? "0" + n
			: n;
	}

	function this_value()
	{
		return this.valueOf();
	}

	if (typeof Date.prototype.toJSON !== "function")
	{

		Date.prototype.toJSON = function ()
		{

			return isFinite(this.valueOf())
				? this.getUTCFullYear() + "-" +
				f(this.getUTCMonth() + 1) + "-" +
				f(this.getUTCDate()) + "T" +
				f(this.getUTCHours()) + ":" +
				f(this.getUTCMinutes()) + ":" +
				f(this.getUTCSeconds()) + "Z"
				: null;
		};

		Boolean.prototype.toJSON = this_value;
		Number.prototype.toJSON  = this_value;
		String.prototype.toJSON  = this_value;
	}

	var gap;
	var indent;
	var meta;
	var rep;


	function quote(string)
	{

// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape
// sequences.

		rx_escapable.lastIndex = 0;
		return rx_escapable.test(string)
			? "\"" + string.replace(rx_escapable, function (a)
			{
				var c = meta[a];
				return typeof c === "string"
					? c
					: "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
			}) + "\""
			: "\"" + string + "\"";
	}


	function str(key, holder)
	{

// Produce a string from holder[key].

		var i;          // The loop counter.
		var k;          // The member key.
		var v;          // The member value.
		var length;
		var mind  = gap;
		var partial;
		var value = holder[key];

// If the value has a toJSON method, call it to obtain a replacement value.

		if (value && typeof value === "object" &&
			typeof value.toJSON === "function")
		{
			value = value.toJSON(key);
		}

// If we were called with a replacer function, then call the replacer to
// obtain a replacement value.

		if (typeof rep === "function")
		{
			value = rep.call(holder, key, value);
		}

// What happens next depends on the value's type.

		switch (typeof value)
		{
			case "string":
				return quote(value);

			case "number":

// JSON numbers must be finite. Encode non-finite numbers as null.

				return isFinite(value)
					? String(value)
					: "null";

			case "boolean":
			case "null":

// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce "null". The case is included here in
// the remote chance that this gets fixed someday.

				return String(value);

// If the type is "object", we might be dealing with an object or an array or
// null.

			case "object":

// Due to a specification blunder in ECMAScript, typeof null is "object",
// so watch out for that case.

				if (!value)
				{
					return "null";
				}

// Make an array to hold the partial results of stringifying this object value.

				gap += indent;
				partial = [];

// Is the value an array?

				if (Object.prototype.toString.apply(value) === "[object Array]")
				{

// The value is an array. Stringify every element. Use null as a placeholder
// for non-JSON values.

					length = value.length;
					for (i = 0; i < length; i += 1)
					{
						partial[i] = str(i, value) || "null";
					}

// Join all of the elements together, separated with commas, and wrap them in
// brackets.

					v   = partial.length === 0
						? "[]"
						: gap
							? "[\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "]"
							: "[" + partial.join(",") + "]";
					gap = mind;
					return v;
				}

// If the replacer is an array, use it to select the members to be stringified.

				if (rep && typeof rep === "object")
				{
					length = rep.length;
					for (i = 0; i < length; i += 1)
					{
						if (typeof rep[i] === "string")
						{
							k = rep[i];
							v = str(k, value);
							if (v)
							{
								partial.push(quote(k) + (
										gap
											? ": "
											: ":"
									) + v);
							}
						}
					}
				}
				else
				{

// Otherwise, iterate through all of the keys in the object.

					for (k in value)
					{
						if (Object.prototype.hasOwnProperty.call(value, k))
						{
							v = str(k, value);
							if (v)
							{
								partial.push(quote(k) + (
										gap
											? ": "
											: ":"
									) + v);
							}
						}
					}
				}

// Join all of the member texts together, separated with commas,
// and wrap them in braces.

				v   = partial.length === 0
					? "{}"
					: gap
						? "{\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "}"
						: "{" + partial.join(",") + "}";
				gap = mind;
				return v;
		}
	}

// If the JSON object does not yet have a stringify method, give it one.

	if (typeof JSON.stringify !== "function")
	{
		meta           = {    // table of character substitutions
			"\b": "\\b",
			"\t": "\\t",
			"\n": "\\n",
			"\f": "\\f",
			"\r": "\\r",
			"\"": "\\\"",
			"\\": "\\\\"
		};
		JSON.stringify = function (value, replacer, space)
		{

// The stringify method takes a value and an optional replacer, and an optional
// space parameter, and returns a JSON text. The replacer can be a function
// that can replace values, or an array of strings that will select the keys.
// A default replacer method can be provided. Use of the space parameter can
// produce text that is more easily readable.

			var i;
			gap    = "";
			indent = "";

// If the space parameter is a number, make an indent string containing that
// many spaces.

			if (typeof space === "number")
			{
				for (i = 0; i < space; i += 1)
				{
					indent += " ";
				}

// If the space parameter is a string, it will be used as the indent string.

			}
			else if (typeof space === "string")
			{
				indent = space;
			}

// If there is a replacer, it must be a function or an array.
// Otherwise, throw an error.

			rep = replacer;
			if (replacer && typeof replacer !== "function" &&
				(typeof replacer !== "object" ||
				typeof replacer.length !== "number"))
			{
				throw new Error("JSON.stringify");
			}

// Make a fake root object containing our value under the key of "".
// Return the result of stringifying the value.

			return str("", {"": value});
		};
	}


// If the JSON object does not yet have a parse method, give it one.

	if (typeof JSON.parse !== "function")
	{
		JSON.parse = function (text, reviver)
		{

// The parse method takes a text and an optional reviver function, and returns
// a JavaScript value if the text is a valid JSON text.

			var j;

			function walk(holder, key)
			{

// The walk method is used to recursively walk the resulting structure so
// that modifications can be made.

				var k;
				var v;
				var value = holder[key];
				if (value && typeof value === "object")
				{
					for (k in value)
					{
						if (Object.prototype.hasOwnProperty.call(value, k))
						{
							v = walk(value, k);
							if (v !== undefined)
							{
								value[k] = v;
							}
							else
							{
								delete value[k];
							}
						}
					}
				}
				return reviver.call(holder, key, value);
			}


// Parsing happens in four stages. In the first stage, we replace certain
// Unicode characters with escape sequences. JavaScript handles many characters
// incorrectly, either silently deleting them, or treating them as line endings.

			text                   = String(text);
			rx_dangerous.lastIndex = 0;
			if (rx_dangerous.test(text))
			{
				text = text.replace(rx_dangerous, function (a)
				{
					return "\\u" +
						("0000" + a.charCodeAt(0).toString(16)).slice(-4);
				});
			}

// In the second stage, we run the text against regular expressions that look
// for non-JSON patterns. We are especially concerned with "()" and "new"
// because they can cause invocation, and "=" because it can cause mutation.
// But just to be safe, we want to reject all unexpected forms.

// We split the second stage into 4 regexp operations in order to work around
// crippling inefficiencies in IE's and Safari's regexp engines. First we
// replace the JSON backslash pairs with "@" (a non-JSON character). Second, we
// replace all simple value tokens with "]" characters. Third, we delete all
// open brackets that follow a colon or comma or that begin the text. Finally,
// we look to see that the remaining characters are only whitespace or "]" or
// "," or ":" or "{" or "}". If that is so, then the text is safe for eval.

			if (
				rx_one.test(
					text
						.replace(rx_two, "@")
						.replace(rx_three, "]")
						.replace(rx_four, "")
				)
			)
			{

// In the third stage we use the eval function to compile the text into a
// JavaScript structure. The "{" operator is subject to a syntactic ambiguity
// in JavaScript: it can begin a block or an object literal. We wrap the text
// in parens to eliminate the ambiguity.

				j = eval("(" + text + ")");

// In the optional fourth stage, we recursively walk the new structure, passing
// each name/value pair to a reviver function for possible transformation.

				return (typeof reviver === "function")
					? walk({"": j}, "")
					: j;
			}

// If the text is not JSON parseable, then a SyntaxError is thrown.

			throw new SyntaxError("JSON.parse");
		};
	}
}());

/*!
 Math.uuid.js (v1.4)
 http://www.broofa.com
 mailto:robert@broofa.com

 Copyright (c) 2009 Robert Kieffer
 Dual licensed under the MIT and GPL licenses.

 Usage: Math.uuid()
 */
Math.uuid = (function ()
{
	// Private array of chars to use
	var CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');

	return function (len, radix)
	{
		var chars = CHARS, uuid = [];
		radix = radix || chars.length;

		if (len)
		{
			// Compact form
			for (var i = 0; i < len; i++)
			{
				uuid[i] = chars[0 | Math.random() * radix];
			}
		}
		else
		{
			// rfc4122, version 4 form
			var r;

			// rfc4122 requires these characters
			uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
			uuid[14] = '4';

			// Fill in random data.  At i==19 set the high bits of clock sequence as
			// per rfc4122, sec. 4.1.5
			for (var i = 0; i < 36; i++)
			{
				if (!uuid[i])
				{
					r = 0 | Math.random() * 16;
					uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
				}
			}
		}

		return uuid.join('');
	};
})();

/*
 * Courtesy of PHPjs -- http://phpjs.org
 * @license GPL, version 2
 */
function basename(path, suffix)
{
	var b = path.replace(/^.*[\/\\]/g, '');
	if (typeof(suffix) == 'string' && b.substr(b.length - suffix.length) == suffix)
	{
		b = b.substr(0, b.length - suffix.length);
	}
	return b;
}

function number_format(number, decimals, dec_point, thousands_sep)
{
	var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
	var d = dec_point == undefined ? "," : dec_point;
	var t = thousands_sep == undefined ? "." : thousands_sep, s = n < 0 ? "-" : "";
	var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;

	return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
}

function size_format(filesize)
{
	if (filesize >= 1073741824)
	{
		filesize = number_format(filesize / 1073741824, 2, '.', '') + ' GB';
	}
	else
	{
		if (filesize >= 1048576)
		{
			filesize = number_format(filesize / 1048576, 2, '.', '') + ' MB';
		}
		else
		{
			filesize = number_format(filesize / 1024, 2, '.', '') + ' KB';
		}
	}
	return filesize;
}

/**
 * Checks if a varriable is empty. From the php.js library.
 */
function empty(mixed_var)
{
	var key;

	if (mixed_var === "" ||
		mixed_var === 0 ||
		mixed_var === "0" ||
		mixed_var === null ||
		mixed_var === false ||
		typeof mixed_var === 'undefined'
	)
	{
		return true;
	}

	if (typeof mixed_var == 'object')
	{
		for (key in mixed_var)
		{
			return false;
		}
		return true;
	}

	return false;
}

function ltrim(str, charlist)
{
	// Strips whitespace from the beginning of a string
	//
	// version: 1008.1718
	// discuss at: http://phpjs.org/functions/ltrim    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +      input by: Erkekjetter
	// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +   bugfixed by: Onno Marsman
	// *     example 1: ltrim('    Kevin van Zonneveld    ');    // *     returns 1: 'Kevin van Zonneveld    '
	charlist = !charlist ? ' \\s\u00A0' : (charlist + '').replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
	var re = new RegExp('^[' + charlist + ']+', 'g');
	return (str + '').replace(re, '');
}

function array_shift(inputArr)
{
	// http://kevin.vanzonneveld.net
	// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +   improved by: Martijn Wieringa
	// %        note 1: Currently does not handle objects
	// *     example 1: array_shift(['Kevin', 'van', 'Zonneveld']);
	// *     returns 1: 'Kevin'

	var props = false,
		shift = undefined, pr = '', allDigits = /^\d$/, int_ct = -1,
		_checkToUpIndices = function (arr, ct, key)
		{
			// Deal with situation, e.g., if encounter index 4 and try to set it to 0, but 0 exists later in loop (need to
			// increment all subsequent (skipping current key, since we need its value below) until find unused)
			if (arr[ct] !== undefined)
			{
				var tmp = ct;
				ct += 1;
				if (ct === key)
				{
					ct += 1;
				}
				ct = _checkToUpIndices(arr, ct, key);
				arr[ct] = arr[tmp];
				delete arr[tmp];
			}
			return ct;
		};


	if (inputArr.length === 0)
	{
		return null;
	}
	if (inputArr.length > 0)
	{
		return inputArr.shift();
	}
}

function trim(str, charlist)
{
	var whitespace, l = 0, i = 0;
	str += '';

	if (!charlist)
	{
		// default list
		whitespace = " \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000";
	}
	else
	{
		// preg_quote custom list
		charlist += '';
		whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
	}

	l = str.length;
	for (i = 0; i < l; i++)
	{
		if (whitespace.indexOf(str.charAt(i)) === -1)
		{
			str = str.substring(i);
			break;
		}
	}

	l = str.length;
	for (i = l - 1; i >= 0; i--)
	{
		if (whitespace.indexOf(str.charAt(i)) === -1)
		{
			str = str.substring(0, i + 1);
			break;
		}
	}

	return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
}

function array_merge()
{
	// Merges elements from passed arrays into one array
	//
	// version: 1103.1210
	// discuss at: http://phpjs.org/functions/array_merge
	// +   original by: Brett Zamir (http://brett-zamir.me)
	// +   bugfixed by: Nate
	// +   input by: josh
	// +   bugfixed by: Brett Zamir (http://brett-zamir.me)
	// *     example 1: arr1 = {"color": "red", 0: 2, 1: 4}
	// *     example 1: arr2 = {0: "a", 1: "b", "color": "green", "shape": "trapezoid", 2: 4}
	// *     example 1: array_merge(arr1, arr2)
	// *     returns 1: {"color": "green", 0: 2, 1: 4, 2: "a", 3: "b", "shape": "trapezoid", 4: 4}
	// *     example 2: arr1 = []
	// *     example 2: arr2 = {1: "data"}
	// *     example 2: array_merge(arr1, arr2)
	// *     returns 2: {0: "data"}
	var args = Array.prototype.slice.call(arguments),
		retObj = {},
		k, j = 0,
		i = 0,
		retArr = true;

	for (i = 0; i < args.length; i++)
	{
		if (!(args[i] instanceof Array))
		{
			retArr = false;
			break;
		}
	}

	if (retArr)
	{
		retArr = [];
		for (i = 0; i < args.length; i++)
		{
			retArr = retArr.concat(args[i]);
		}
		return retArr;
	}
	var ct = 0;

	for (i = 0, ct = 0; i < args.length; i++)
	{
		if (args[i] instanceof Array)
		{
			for (j = 0; j < args[i].length; j++)
			{
				retObj[ct++] = args[i][j];
			}
		}
		else
		{
			for (k in args[i])
			{
				if (args[i].hasOwnProperty(k))
				{
					if (parseInt(k, 10) + '' === k)
					{
						retObj[ct++] = args[i][k];
					}
					else
					{
						retObj[k] = args[i][k];
					}
				}
			}
		}
	}
	return retObj;
}

function array_diff(arr1)
{ // eslint-disable-line camelcase
	//  discuss at: http://locutus.io/php/array_diff/
	// original by: Kevin van Zonneveld (http://kvz.io)
	// improved by: Sanjoy Roy
	//  revised by: Brett Zamir (http://brett-zamir.me)
	//   example 1: array_diff(['Kevin', 'van', 'Zonneveld'], ['van', 'Zonneveld'])
	//   returns 1: {0:'Kevin'}

	var retArr = {};
	var argl   = arguments.length;
	var k1     = '';
	var i      = 1;
	var k      = '';
	var arr    = {};

	arr1keys: for (k1 in arr1)
	{
		for (i = 1; i < argl; i++)
		{
			arr = arguments[i];
			for (k in arr)
			{
				if (arr[k] === arr1[k1])
				{
					// If it reaches here, it was found in at least one array, so try next value
					continue arr1keys;
				}
			}
			retArr[k1] = arr1[k1];
		}
	}

	return retArr
}

//=============================================================================
// Object.keys polyfill
//=============================================================================

// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
if (!Object.keys) {
	Object.keys = (function() {
		'use strict';
		var hasOwnProperty = Object.prototype.hasOwnProperty,
			hasDontEnumBug = !({ toString: null }).propertyIsEnumerable('toString'),
			dontEnums = [
				'toString',
				'toLocaleString',
				'valueOf',
				'hasOwnProperty',
				'isPrototypeOf',
				'propertyIsEnumerable',
				'constructor'
			],
			dontEnumsLength = dontEnums.length;

		return function(obj) {
			if (typeof obj !== 'object' && (typeof obj !== 'function' || obj === null)) {
				throw new TypeError('Object.keys called on non-object');
			}

			var result = [], prop, i;

			for (prop in obj) {
				if (hasOwnProperty.call(obj, prop)) {
					result.push(prop);
				}
			}

			if (hasDontEnumBug) {
				for (i = 0; i < dontEnumsLength; i++) {
					if (hasOwnProperty.call(obj, dontEnums[i])) {
						result.push(dontEnums[i]);
					}
				}
			}
			return result;
		};
	}());
}

/**
 * Is the variable an array?
 *
 * Part of php.js
 *
 * @see  http://phpjs.org/
 *
 * @param   mixed_var  {mixed}  The variable
 *
 * @returns  boolean  True if it is an array or an object
 */
function is_array(mixed_var)
{
	var key = '';
	var getFuncName = function (fn)
	{
		var name = (/\W*function\s+([\w\$]+)\s*\(/).exec(fn);

		if (!name)
		{
			return '(Anonymous)';
		}

		return name[1];
	};

	if (!mixed_var)
	{
		return false;
	}

	// BEGIN REDUNDANT
	this.php_js = this.php_js || {};
	this.php_js.ini = this.php_js.ini || {};
	// END REDUNDANT

	if (typeof mixed_var === 'object')
	{
		if (this.php_js.ini['phpjs.objectsAsArrays'] &&  // Strict checking for being a JavaScript array (only check this way if call ini_set('phpjs.objectsAsArrays', 0) to disallow objects as arrays)
			(
			(this.php_js.ini['phpjs.objectsAsArrays'].local_value.toLowerCase &&
			this.php_js.ini['phpjs.objectsAsArrays'].local_value.toLowerCase() === 'off') ||
			parseInt(this.php_js.ini['phpjs.objectsAsArrays'].local_value, 10) === 0)
		)
		{
			return mixed_var.hasOwnProperty('length') && // Not non-enumerable because of being on parent class
				!mixed_var.propertyIsEnumerable('length') && // Since is own property, if not enumerable, it must be a built-in function
				getFuncName(mixed_var.constructor) !== 'String'; // exclude String()
		}

		if (mixed_var.hasOwnProperty)
		{
			for (key in mixed_var)
			{
				// Checks whether the object has the specified property
				// if not, we figure it's not an object in the sense of a php-associative-array.
				if (false === mixed_var.hasOwnProperty(key))
				{
					return false;
				}
			}
		}

		// Read discussion at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_is_array/
		return true;
	}

	return false;
}

//=============================================================================
// Akeeba Backup Pro - Regular expression based files and folders filters
//=============================================================================

function escapeHTML(rawData)
{
	return rawData.split("&").join("&amp;").split("<").join("&lt;").split(">").join("&gt;");
}

//=============================================================================
// Akeeba Backup Pro - Import arbitrary archives from S3
//=============================================================================

function ak_s3import_resetroot()
{
	document.getElementById('ak_s3import_folder').value = '';

	return true;
}

function ak_s3import_chdir(prefix)
{
	document.getElementById('ak_s3import_folder').value = prefix;
	document.getElementById("adminForm").submit();
}
