<?php

/*
    Copyright (C) 2014-2015 Deciso B.V.
    Copyright (C) 2008 Bill Marquette <bill.marquette@gmail.com>.
    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.

    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS 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
    AUTHOR 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.
*/

require_once("guiconfig.inc");
require_once("services.inc");

$referer = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/load_balancer_relay_action.php');

if (!is_array($config['load_balancer']['lbaction'])) {
	$config['load_balancer']['lbaction'] = array();
}
$a_action = &$config['load_balancer']['lbaction'];

if (is_numericint($_GET['id']))
	$id = $_GET['id'];
if (isset($_POST['id']) && is_numericint($_POST['id']))
	$id = $_POST['id'];

if (isset($id) && $a_action[$id]) {
  $pconfig = array();
	$pconfig = $a_action[$id];
} else {
  // XXX - TODO, this isn't sane for this page :)
	/* Some sane page defaults */
	$pconfig['protocol'] = 'http';
	$pconfig['direction'] = 'request';
	$pconfig['type'] = 'cookie';
	$pconfig['action'] = 'change';
}

$kv = array('key', 'value');
$vk = array('value', 'key');
$hr_actions = array();
$hr_actions['append'] = $vk;
$hr_actions['change'] = $kv;
$hr_actions['expect'] = $vk;
$hr_actions['filter'] = $vk;
$hr_actions['hash'] = 'key';
$hr_actions['log'] = 'key';
// mark is disabled until I can figure out how to make the display clean
//$hr_actions['mark'] = array('value', 'key', 'id');
//$hr_actions[] = 'label';
//$hr_actions[] = 'no label';
$hr_actions['remove'] = 'key';
//$hr_actions[] = 'return error';
/* Setup decision tree */
$action = array();
$actions['protocol']['http'] = 'HTTP';
$actions['protocol']['tcp'] = 'TCP';
$actions['protocol']['dns'] = 'DNS';
$actions['direction'] = array();
$actions['direction']['request'] = array();
$actions['direction']['request']['cookie'] = $hr_actions;
$actions['direction']['request']['header'] = $hr_actions;
$actions['direction']['request']['path'] = $hr_actions;
$actions['direction']['request']['query'] = $hr_actions;
$actions['direction']['request']['url'] = $hr_actions;
$actions['direction']['response'] = array();
$actions['direction']['response']['cookie'] = $hr_actions;
$actions['direction']['response']['header'] = $hr_actions;
//$action['http']['tcp'] = array();
//$action['http']['ssl'] = array();



if ($_POST) {
	unset($input_errors);
	$pconfig = $_POST;

  // Peel off the action and type from the post and fix $pconfig
  $action = explode('_', $pconfig['action']);
  $pconfig['action'] = $action[2];
  $pconfig['type'] = $action[1];
  unset($pconfig["type_{$pconfig['direction']}"]);

	/* input validation */
	$reqdfields = explode(" ", "name protocol direction action descr");
	$reqdfieldsn = array(gettext("Name"),gettext("Protocol"),gettext("Direction"),gettext("Action"),gettext("Description"));

	do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);

	/* Ensure that our monitor names are unique */
	for ($i=0; isset($config['load_balancer']['lbactions'][$i]); $i++)
		if (($_POST['name'] == $config['load_balancer']['lbactions'][$i]['name']) && ($i != $id))
			$input_errors[] = gettext("This action name has already been used.  Action names must be unique.");

	if (strpos($_POST['name'], " ") !== false)
		$input_errors[] = gettext("You cannot use spaces in the 'name' field.");

	if (!$input_errors) {
		$actent = array();
		if (isset($id) && $a_action[$id]) {
			$actent = $a_action[$id];
		}

		update_if_changed("name", $actent['name'], $pconfig['name']);
		update_if_changed("protocol", $actent['protocol'], $pconfig['protocol']);
		update_if_changed("type", $actent['type'], $pconfig['type']);
		update_if_changed("direction", $actent['direction'], $pconfig['direction']);
		update_if_changed("description", $actent['descr'], $pconfig['descr']);
    update_if_changed("action", $actent['action'], $pconfig['action']);
    switch ($pconfig['action']) {
      case "append":
      case "change":
      case "expect":
      case "filter": {
        update_if_changed("value", $actent['options']['value'], $pconfig['option_action_value']);
        update_if_changed("key", $actent['options']['akey'], $pconfig['option_action_key']);
        break;
      }
      case "hash":
      case "log": {
        update_if_changed("key", $actent['options']['akey'], $pconfig['option_action_key']);
        break;
      }
    }

		if (isset($id) && $a_action[$id]) {
//    XXX - TODO
			/* modify all virtual servers with this name */
//			for ($i = 0; isset($config['load_balancer']['virtual_server'][$i]); $i++) {
//				if ($config['load_balancer']['virtual_server'][$i]['protocol'] == $a_protocol[$id]['name'])
//					$config['load_balancer']['virtual_server'][$i]['protocol'] = $protent['name'];
//			}
			$a_action[$id] = $actent;
		} else {
			$a_action[] = $actent;
		}

		mark_subsystem_dirty('loadbalancer');
		write_config();
		header("Location: load_balancer_relay_action.php");
		exit;
	}
}

$pgtitle = array(gettext("Services"), gettext("Load Balancer"),gettext("Relay Action"),gettext("Edit"));
$shortcut_section = "relayd";

include("head.inc");
	$types = array("http" => gettext("HTTP"), "tcp" => gettext("TCP"), "dns" => gettext("DNS"));
?>

<body>

<script type="text/javascript">

function updateProtocol(m) {
  // Default to HTTP
  if (m == "") {
    m = "http";
  }
	switch (m) {
		case "dns": {
			jQuery('#type_row').hide();
			jQuery('#tcp_options_row').hide();
			jQuery('#ssl_options_row').hide();
			jQuery('#direction_row').hide();
			jQuery('#action_row').hide();
			break;
		}
		case "tcp": {
			jQuery('#type_row').hide();
			jQuery('#tcp_options_row').show();
			jQuery('#ssl_options_row').hide();
			jQuery('#direction_row').hide();
			jQuery('#action_row').hide();
			break;
		}
		case "http": {
			jQuery('#type_row').show();
			jQuery('#tcp_options_row').hide();
			jQuery('#ssl_options_row').show();
			jQuery('#direction_row').show();
			jQuery('#direction').prop('disabled',false);
			jQuery('#type_' + jQuery('#direction').val()).prop('disabled',false);
			jQuery('#type_' + jQuery('#direction').val()).show();
			jQuery('#action_row').show();
<?php
  /* Generate lots of .appear() entries for the action row select list
   * based on what's been either preconfigured or "defaults"
   * This really did have to be done in PHP.
   */
  if (isset($pconfig['type'])) {
    $dtype = $pconfig['type'];
    $ddir = $pconfig['direction'];
  } else {
    $dtype = "cookie";
    $ddir = "request";
  }
	foreach ($actions['direction'][$ddir] as $type => $tv) {
		foreach ($actions['direction'][$ddir][$type] as $action => $av ) {
			if($dtype == $type) {
				echo "jQuery('#{$ddir}_{$type}_{$action}').show();";
			}
		}
	}
?>

			break;
		}
	}
}

function updateDirection(d) {
  // Default to request
  if (d == "") {
    d = "request";
  }

  switch (d) {
    case "request": {
      jQuery('#type_response').prop('disabled',true);
      jQuery('#type_response').hide();
      jQuery('#type_request').prop('disabled',false);
      jQuery('#type_request').show();
      break;
    }
    case "response": {
      jQuery('#type_request').prop('disabled',true);
      jQuery('#type_request').hide();
      jQuery('#type_response').prop('disabled',false);
      jQuery('#type_response').show();
      break;
    }
  }
}


function updateType(t){
  // Default to action_row
  // XXX - does this actually make any sense?
  if (t == "") {
    t = "action_row";
  }

	switch(t) {
<?php
	/* OK, so this is sick using php to generate javascript, but it needed to be done */
	foreach ($types as $key => $val) {
		echo "		case \"{$key}\": {\n";
		$t = $types;
		foreach ($t as $k => $v) {
			if ($k != $key) {
				echo "			jQuery('#{$k}').hide();\n";
			}
		}
		echo "		}\n";
	}
?>
	}
	jQuery('#' + t).show();
}


function updateAction(a) {
  // Default to change
  if (a == "") {
    a = "change";
  }
  switch(a) {
    case "append": {
      jQuery('#input_action_value').show();
      jQuery('#option_action_value').prop('disabled',false);
      jQuery('#input_action_key').show();
      jQuery('#option_action_key').prop('disabled',false);
      jQuery('#input_action_id').hide();
      jQuery('#option_action_id').prop('disabled',true);
      jQuery('#action_action_value').html("&nbsp;to&nbsp;");
      jQuery('#action_action_id').html("");
      break;
    }
    case "change": {
      jQuery('#input_action_value').show();
      jQuery('#option_action_value').prop('disabled',false);
      jQuery('#input_action_key').show();
      jQuery('#option_action_key').prop('disabled',false);
      jQuery('#input_action_id').hide();
      jQuery('#option_action_id').prop('disabled',true);
      jQuery('#action_action_value').html("&nbsp;of&nbsp;");
      jQuery('#action_action_id').html("");
      break;
    }
    case "expect": {
      jQuery('#input_action_value').show();
      jQuery('#option_action_value').prop('disabled',false);
      jQuery('#input_action_key').show();
      jQuery('#option_action_key').prop('disabled',false);
      jQuery('#input_action_id').hide();
      jQuery('#option_action_id').prop('disabled',true);
      jQuery('#action_action_value').html("&nbsp;from&nbsp;");
      jQuery('#action_action_id').html("");
      break;
    }
    case "filter": {
      jQuery('#input_action_value').show();
      jQuery('#option_action_value').prop('disabled',false);
      jQuery('#input_action_key').show();
      jQuery('#option_action_key').prop('disabled',false);
      jQuery('#input_action_id').hide();
      jQuery('#option_action_id').prop('disabled',true);
      jQuery('#action_action_value').html("&nbsp;from&nbsp;");
      jQuery('#action_action_id').html("");
      break;
    }
    case "hash": {
      jQuery('#input_action_value').hide();
      jQuery('#option_action_value').prop('disabled',true);
      jQuery('#input_action_key').show();
      jQuery('#option_action_key').prop('disabled',false);
      jQuery('#input_action_id').hide();
      jQuery('#option_action_id').prop('disabled',true);
      jQuery('#action_action_value').html("");
      jQuery('#action_action_id').html("");
      break;
    }
    case "log": {
      jQuery('#input_action_value').hide();
      jQuery('#option_action_value').prop('disabled',true);
      jQuery('#input_action_key').show();
      jQuery('#option_action_key').prop('disabled',false);
      jQuery('#input_action_id').hide();
      jQuery('#option_action_id').prop('disabled',true);
      jQuery('#action_action_value').html("");
      jQuery('#action_action_id').html("");
      break;
    }
    case "mark": {
      jQuery('#input_action_value').show();
      jQuery('#option_action_value').prop('disabled',false);
      jQuery('#input_action_key').show();
      jQuery('#option_action_key').prop('disabled',false);
      jQuery('#input_action_id').show();
      jQuery('#option_action_id').prop('disabled',false);
      jQuery('#action_action_value').html("&nbsp;from&nbsp;");
      jQuery('#action_action_id').html("&nbsp;with&nbsp;");
      break;
    }
  }
}


function num_options() {
	return jQuery('#options_table').children().length - 1;
}


jQuery(document).ready(function() {
  updateProtocol('<?=htmlspecialchars($pconfig['protocol'])?>');
  updateDirection('<?=htmlspecialchars($pconfig['direction'])?>');
  updateType('<?=htmlspecialchars($pconfig['type'])?>');
  updateAction('<?=htmlspecialchars($pconfig['action'])?>');
});

</script>

<?php include("fbegin.inc"); ?>


	<section class="page-content-main">

		<div class="container-fluid">

			<div class="row">
				<?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>

			    <section class="col-xs-12">

				<div class="content-box">

                        <form action="load_balancer_relay_action_edit.php" method="post" name="iform" id="iform">

				<div class="table-responsive">
					<table class="table table-striped table-sort">
									<tr>
										<td colspan="2" valign="top" class="listtopic"><?=gettext("Edit Load Balancer - Relay Action entry"); ?></td>
									</tr>
									<tr align="left" id="name">
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Name"); ?></td>
										<td width="78%" class="vtable" colspan="2">
											<input name="name" type="text" <?php if(isset($pconfig['name'])) echo "value=\"{$pconfig['name']}\"";?> size="16" maxlength="16">
										</td>
									</tr>
									<tr align="left">
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Description"); ?></td>
										<td width="78%" class="vtable" colspan="2">
											<input name="descr" type="text" <?php if(isset($pconfig['descr'])) echo "value=\"{$pconfig['descr']}\"";?>size="64">
										</td>
									</tr>
							<!-- Protocol -->
									<tr align="left" id="protocol_row">
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Protocol"); ?></td>
										<td width="78%" class="vtable" colspan="2">
											<select id="protocol" name="protocol">
							<?
								foreach ($actions['protocol'] as $key => $val) {
									if(isset($pconfig['protocol']) && $pconfig['protocol'] == $key) {
										$selected = " selected";
									} else {
										$selected = "";
									}
									echo "<option value=\"{$key}\" onclick=\"updateProtocol('{$key}');\"{$selected}>{$val}</option>\n";
								}
							?>
											</select>
										</td>
									</tr>

							<!-- Direction -->
									<tr align="left" id="direction_row">
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Direction"); ?></td>
										<td width="78%" class="vtable" colspan="2">
											<select id="direction" name="direction" style="disabled">
							<?
								foreach ($actions['direction'] as $key => $val) {
									if(isset($pconfig['direction']) && $pconfig['direction'] == $key) {
										$selected = " selected";
									} else {
										$selected = "";
									}
									echo "<option value=\"{$key}\" onclick=\"updateDirection('{$key}');\"{$selected}>{$key}</option>\n";
								}
							?>
											</select>

										</td>
									</tr>

							<!-- Type -->
							    <tr align="left" id="type_row"<?= $pconfig['protocol'] == "http" ? "" : " style=\"display:none;\""?>>
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Type"); ?></td>
										<td width="78%" class="vtable" colspan="2">
							<?
								foreach ($actions['direction'] as $dir => $v) {
									echo"		<select id=\"type_{$dir}\" name=\"type_{$dir}\" style=\"display:none; disabled;\">";
									foreach ($actions['direction'][$dir] as $key => $val) {
										if(isset($pconfig['type']) && $pconfig['type'] == $key) {
											$selected = " selected";
										} else {
											$selected = "";
										}
										echo "<option value=\"{$key}\" onclick=\"updateDirection('$key');\"{$selected}>{$key}</option>\n";
									}
								}
							?>
											</select>
										</td>
									</tr>

							<!-- Action -->
							    <tr align="left" id="action_row"<?= $pconfig['protocol'] == "http" ? "" : " style=\"display:none;\""?>>
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Action"); ?></td>
										<td width="78%" class="vtable" colspan="2">
											<select id="action" name="action" style=\"display: none;\">
							<?
								foreach ($actions['direction'] as $dir => $dv) {
									foreach ($actions['direction'][$dir] as $type => $tv) {
										foreach ($actions['direction'][$dir][$type] as $action => $av ) {
											if(isset($pconfig['action']) && $pconfig['action'] == $action) {
												$selected = " selected";
											} else if ($action == "change" ){
												$selected = " selected";
											} else {
												$selected = "";
											}
											echo "<option id=\"{$dir}_{$type}_{$action}\" value=\"{$dir}_{$type}_{$action}\" onClick=\"updateAction('$action');\" style=\"display: none;\"{$selected}>{$action}</option>\n";
										}
									}
								}
							?>
											</select>
							<br />
							<table><tr>
							<td><div id="input_action_value"><?=gettext("Value"); ?>&nbsp;<input id="option_action_value" name="option_action_value" type="text" <?php if(isset($pconfig['options']['value'])) echo "value=\"{$pconfig['options']['value']}\"";?>size="20"></div></td>
							<td><div id="action_action_value"></div></td>
							<td><div id="input_action_key"><?=gettext("Key"); ?>&nbsp;<input id="option_action_key" name="option_action_key" type="text" <?php if(isset($pconfig['options']['akey'])) echo "value=\"{$pconfig['options']['akey']}\"";?>size="20"></div></td>
							<td><div id="action_action_id"></div></td>
							<td><div id="input_action_id"><?=gettext("ID"); ?>&nbsp;<input id="option_action_id" name="option_action_id" type="text" <?php if(isset($pconfig['options']['id'])) echo "value=\"{$pconfig['options']['id']}\"";?>size="20"></div></td>
							</tr></table>
										</td>
									</tr>
									<tr align="left" id="tcp_options_row"<?= $pconfig['protocol'] == "tcp" ? "" : " style=\"display:none;\""?>>
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Options"); ?></td>
										<td width="78%" class="vtable" colspan="2">
											XXX: <?=gettext("TODO"); ?>
											<select id="options" name="options">
							<!-- XXX TODO >
							<?
								foreach ($types as $key => $val) {
									if(isset($pconfig['protocol']) && $pconfig['protocol'] == $key) {
										$selected = " selected";
									} else {
										$selected = "";
									}
									echo "<option value=\"{$key}\" onclick=\"updateType('{$key}');\"{$selected}>{$val}</option>\n";
								}
							?>
											</select>
							< XXX TODO -->
										</td>
									</tr>
									<tr align="left" id="ssl_options_row"<?= $pconfig['protocol'] == "http" ? "" : " style=\"display:none;\""?>>
										<td width="22%" valign="top" class="vncellreq"><?=gettext("Options"); ?></td>
										<td width="78%" class="vtable" colspan="2">
											XXX: <?=gettext("TODO"); ?>
							<!-- XXX TODO >
											<select id="options" name="options">
							<?
								foreach ($types as $key => $val) {
									if(isset($pconfig['protocol']) && $pconfig['protocol'] == $key) {
										$selected = " selected";
									} else {
										$selected = "";
									}
									echo "<option value=\"{$key}\" onclick=\"updateType('{$key}');\"{$selected}>{$val}</option>\n";
								}
							?>
											</select>
							< XXX TODO -->
										</td>
									</tr>
									<tr align="left">
										<td width="22%" valign="top">&nbsp;</td>
										<td width="78%">
											<input name="Submit" type="submit" class="btn btn-primary" value="<?=gettext("Save"); ?>">
											<input type="button" class="btn btn-cancel" value="<?=gettext("Cancel");?>" onclick="window.location.href='<?=$referer;?>'" />
											<?php if (isset($id) && $a_action[$id] && $_GET['act'] != 'dup'): ?>
											<input name="id" type="hidden" value="<?=htmlspecialchars($id);?>">
											<?php endif; ?>
										</td>
									</tr>
								</table>
								</div>
								</form>
								</div>
								</div>
								</section>
								</div>
								</div>
								</section>

<?php include("foot.inc"); ?>
