pfSense

/* ====================================================================

 *	Copyright (c)  2004-2015  Electric Sheep Fencing, LLC. All rights reserved.

 *

 *	Redistribution and use in source and binary forms, with or without modification,

 *	are permitted provided that the following conditions are met:

 *

 *	1. Redistributions of source code must retain the above copyright notice,

 *		this list of conditions and the following disclaimer.

 *

 *	2. Redistributions in binary form must reproduce the above copyright

 *		notice, this list of conditions and the following disclaimer in

 *		the documentation and/or other materials provided with the

 *		distribution.

 *

 *	3. All advertising materials mentioning features or use of this software

 *		must display the following acknowledgment:

 *		"This product includes software developed by the pfSense Project

 *		 for use in the pfSense software distribution. (http://www.pfsense.org/).

 *

 *	4. The names "pfSense" and "pfSense Project" must not be used to

 *		 endorse or promote products derived from this software without

 *		 prior written permission. For written permission, please contact

 *		 coreteam@pfsense.org.

 *

 *	5. Products derived from this software may not be called "pfSense"

 *		nor may "pfSense" appear in their names without prior written

 *		permission of the Electric Sheep Fencing, LLC.

 *

 *	6. Redistributions of any form whatsoever must retain the following

 *		acknowledgment:

 *

 *	"This product includes software developed by the pfSense Project

 *	for use in the pfSense software distribution (http://www.pfsense.org/).

 *

 *	THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY

 *	EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 *	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 *	PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR

 *	ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 *	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 *	NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 *	LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 *	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 *	STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 *	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

 *	OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 *	====================================================================

 *

 */

// These helper functions are used on many/most UI pages to hide/show/disable/enable form elements where required

// Hides the <div> in which the specified input element lives so that the input, its label and help text are hidden

function hideInput(id, hide) {

	if(hide)

		$('#' + id).parent().parent('div').addClass('hidden');

	else

		$('#' + id).parent().parent('div').removeClass('hidden');

}

// Hides the <div> in which the specified group input element lives so that the input,

// its label and help text are hidden

function hideGroupInput(id, hide) {

	if(hide)

		$('#' + id).parent('div').addClass('hidden');

	else

		$('#' + id).parent('div').removeClass('hidden');

}

// Hides the <div> in which the specified checkbox lives so that the checkbox, its label and help text are hidden

function hideCheckbox(id, hide) {

	if(hide)

		$('#' + id).parent().parent().parent('div').addClass('hidden');

	else

		$('#' + id).parent().parent().parent('div').removeClass('hidden');

}

// Disables the specified input element

function disableInput(id, disable) {

	$('#' + id).prop("disabled", disable);

}

// Hides all elements of the specified class. This will usually be a section

function hideClass(s_class, hide) {

	if(hide)

		$('.' + s_class).hide();

	else

		$('.' + s_class).show();

}

// Hides all elements of the specified class assigned to a group. This will usually be a group

function hideGroupClass(s_class, hide) {

	if(hide)

		$('.' + s_class).parent().parent().parent().hide();

	else

		$('.' + s_class).parent().parent().parent().show();

}

function hideSelect(id, hide) {

	if(hide)

		$('#' + id).parent('div').parent('div').addClass('hidden');

	else

		$('#' + id).parent('div').parent('div').removeClass('hidden');

}

function hideMultiCheckbox(id, hide) {

	if(hide)

		$('#' + id).parent().addClass('hidden');

	else

		$('#' + id).parent().removeClass('hidden');

}

// Hides the <div> in which the specified IP address element lives so that the input, its label and help text are hidden

function hideIpAddress(id, hide) {

	if(hide)

		$('#' + id).parent().parent().parent('div').addClass('hidden');

	else

		$('#' + id).parent().parent().parent('div').removeClass('hidden');

}

// Hides all elements of the specified class belonging to a multiselect.

function hideMultiClass(s_class, hide) {

	if(hide)

		$('.' + s_class).parent().parent().hide();

	else

		$('.' + s_class).parent().parent().show();

}

// Hides div whose label contains the specified text. (Good for StaticText)

function hideLabel(text, hide) {

	var element = $('label:contains(' + text + ')');

	if(hide)

		element.parent('div').addClass('hidden');

	else

		element.parent('div').removeClass('hidden');

}

// Toggle table row chackboxes and background colors on the pages that use sortable tables:

//	/usr/local/www/firewall_nat.php

//	/usr/local/www/firewall_nat_1to1.php

//	/usr/local/www/firewall_nat_out.php

//	/usr/local/www/firewall_rules.php

//	/usr/local/www/vpn_ipsec.php

// Striping of the tables is handled here, NOT with the Bootstrap table-striped class because it would

// get confused when rows are sorted or deleted.

function stripe_table() {

	$("tr:odd").addClass('active');

	$("tr:even").removeClass('active');

}

function fr_toggle(id, prefix) {

	if (!prefix)

		prefix = 'fr';

	var checkbox = document.getElementById(prefix + 'c' + id);

	checkbox.checked = !checkbox.checked;

	fr_bgcolor(id, prefix);

}

// Change background color based on state of checkbox

// On resetting background, reapply table striping

function fr_bgcolor(id, prefix) {

	if (!prefix)

		prefix = 'fr';

	var row = $('#' + prefix + id);

	if ($('#' + prefix + 'c' + id).prop('checked') ) {

		row.css("background-color", "#DDF4FF");

		row.removeClass('active');

	} else {

		row.css("background-color", "#FFFFFF");

		stripe_table();

	}

}

// The following functions are used by Form_Groups assigned a class of "repeatable" and provide the ability

// to add/delete rows of sequentially numbered elements, their labels and their help text

// See firewall_aliases_edit.php for an example

// NOTE: retainhelp is a global var that defined prevents any help text from being deleted as lines are inserted.

// IOW it causes every row to have help text, not just the last row

function setMasks() {

	// Find all ipaddress masks and make dynamic based on address family of input

	$('span.pfIpMask + select').each(function (idx, select){

		var input = $(select).prevAll('input[type=text]');

		input.on('change', function(e){

			var isV6 = (input.val().indexOf(':') != -1), min = 0, max = 128;

			if (!isV6)

				max = 32;

			if (input.val() == "")

				return;

			while (select.options.length > max)

				select.remove(0);

			if (select.options.length < max)

			{

				for (var i=select.options.length; i<=max; i++)

					select.options.add(new Option(i, i), 0);

			}

		});

		// Fire immediately

		input.change();

	});

}

// Complicated function to move all help text associated with this input id to the same id

// on the row above. That way if you delete the last row, you don't lose the help

function moveHelpText(id) {

	$('#' + id).parent('div').parent('div').find('input').each(function() {	 // For each <span></span>

		var fromId = this.id;

		var toId = decrStringInt(fromId);

		var helpSpan;

		if(!$(this).hasClass('pfIpMask') && !$(this).hasClass('btn')) {

			helpSpan = $('#' + fromId).parent('div').parent('div').find('span:last').clone();

			if($(helpSpan).hasClass('help-block')) {

				if($('#' + decrStringInt(fromId)).parent('div').hasClass('input-group'))

					$('#' + decrStringInt(fromId)).parent('div').after(helpSpan);

				else

					$('#' + decrStringInt(fromId)).after(helpSpan);

			}

		}

	});

}

// Increment the number at the end of the string

function bumpStringInt( str )	{

  var data = str.match(/(\D*)(\d+)(\D*)/), newStr = "";

  if( data )

	newStr = data[ 1 ] + ( Number( data[ 2 ] ) + 1 ) + data[ 3 ];

  return newStr || str;

}

// Decrement the number at the end of the string

function decrStringInt( str )	{

  var data = str.match(/(\D*)(\d+)(\D*)/), newStr = "";

  if( data )

	newStr = data[ 1 ] + ( Number( data[ 2 ] ) - 1 ) + data[ 3 ];

  return newStr || str;

}

// Called after a delete so that there are no gaps in the numbering. Most of the time the config system doesn't care about

// gaps, but I do :)

function renumber() {

	var idx = 0;

	$('.repeatable').each(function() {

		$(this).find('input').each(function() {

			$(this).prop("id", this.id.replace(/\d+$/, "") + idx);

			$(this).prop("name", this.name.replace(/\d+$/, "") + idx);

		});

		$(this).find('select').each(function() {

			$(this).prop("id", this.id.replace(/\d+$/, "") + idx);

			$(this).prop("name", this.name.replace(/\d+$/, "") + idx);

		});

		$(this).find('label').attr('for', $(this).find('label').attr('for').replace(/\d+$/, "") + idx);

		idx++;

	});

}

function delete_row(row) {

	$('#' + row).parent('div').parent('div').remove();

	renumber();

	checkLastRow();

}

function checkLastRow() {

	if($('.repeatable').length <= 1) {

		$('#deleterow0').hide();

	} else {

		$('[id^=deleterow]').show();

	}

}

function add_row() {

	// Find the last repeatable group

	var lastRepeatableGroup = $('.repeatable:last');

	// Clone it

	var newGroup = lastRepeatableGroup.clone(true);

	// Increment the suffix number for each input element in the new group

	$(newGroup).find('input').each(function() {

		$(this).prop("id", bumpStringInt(this.id));

		$(this).prop("name", bumpStringInt(this.name));

		if(!$(this).is('[id^=delete]'))

			$(this).val('');

	});

	// Do the same for selectors

	$(newGroup).find('select').each(function() {

		$(this).prop("id", bumpStringInt(this.id));

		$(this).prop("name", bumpStringInt(this.name));

		// If this selector lists mask bits, we need it to be reset to all 128 options

		// and no items selected, so that automatic v4/v6 selection still works

		if($(this).is('[id^=address_subnet]')) {

			$(this).empty();

			for(idx=128; idx>0; idx--) {

				$(this).append($('<option>', {

					value: idx,

					text: idx

				}));

			}

		}

	});

	// And for "for" tags

	$(newGroup).find('label').attr('for', bumpStringInt($(newGroup).find('label').attr('for')));

	$(newGroup).find('label').text(""); // Clear the label. We only want it on the very first row

	// Insert the updated/cloned row

	$(lastRepeatableGroup).after(newGroup);

	// Delete any help text from the group we have cloned

	$(lastRepeatableGroup).find('.help-block').each(function() {

		if((typeof retainhelp) == "undefined")

			$(this).remove();

	});

	setMasks();

	checkLastRow();

	$('[id^=address]').autocomplete({

		source: addressarray

	});

}

// These are action buttons, not submit buttons

$('[id^=addrow]').prop('type','button');

$('[id^=delete]').prop('type','button');

// on click . .

$('[id^=addrow]').click(function() {

	add_row();

});

$('[id^=delete]').click(function(event) {

	if($('.repeatable').length > 1) {

		if((typeof retainhelp) == "undefined")

			moveHelpText(event.target.id);

		delete_row(event.target.id);

	}

	else

		alert('You may not delete the last row!');

});