<?php
/*
	pkg.php
/*
/* ====================================================================
 *	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.
 *
 *	====================================================================
 *
 */

##|+PRIV
##|*IDENT=page-package-settings
##|*NAME=Package: Settings
##|*DESCR=Allow access to the 'Package: Settings' page.
##|*MATCH=pkg.php*
##|-PRIV

require_once("guiconfig.inc");
require_once("pkg-utils.inc");

function domTT_title($title_msg) {
	print "onmouseout=\"this.style.color = ''; domTT_mouseout(this, event);\" onmouseover=\"domTT_activate(this, event, 'content', '".gettext($title_msg)."', 'trail', true, 'delay', 0, 'fade', 'both', 'fadeMax', 93, 'styleClass', 'niceTitle');\"";
}

$xml = $_REQUEST['xml'];

if ($xml == "") {
	include("head.inc");
	print_info_box_np(gettext("ERROR: No valid package defined."));
	include("foot.inc");
	exit;
} else {
	$pkg_xml_prefix = "/usr/local/pkg/";
	$pkg_full_path = "{$pkg_xml_prefix}/{$xml}";
	if (substr_compare(realpath($pkg_full_path), $pkg_xml_prefix, 0, strlen($pkg_xml_prefix))) {
		print_info_box_np(gettext("ERROR: Invalid path specified."));
		die;
	}
	if (file_exists($pkg_full_path)) {
		$pkg = parse_xml_config_pkg($pkg_full_path, "packagegui");
	} else {
		include("head.inc");
		print_info_box_np(gettext("File not found ") . htmlspecialchars($xml));
		include("foot.inc");
		exit;
	}
}

if ($pkg['donotsave'] != "") {
	header("Location: pkg_edit.php?xml=" . $xml);
	exit;
}

if ($pkg['include_file'] != "") {
	require_once($pkg['include_file']);
}

if ($_REQUEST['startdisplayingat']) {
	$startdisplayingat = $_REQUEST['startdisplayingat'];
}

if ($_REQUEST['display_maximum_rows']) {
	if ($_REQUEST['display_maximum_rows']) {
		$display_maximum_rows = $_REQUEST['display_maximum_rows'];
	}
}

$evaledvar = $config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config'];

if ($_GET['act'] == "update") {

	if (is_array($config['installedpackages'][$pkg['name']]) && $pkg['name'] != "" && $_REQUEST['ids'] !="") {
		#get current values
		$current_values=$config['installedpackages'][$pkg['name']]['config'];
		#get updated ids
		parse_str($_REQUEST['ids'], $update_list);
		#sort ids to know what to change
		#useful to do not lose data when using sorting and paging
		$sort_list=$update_list['ids'];
		sort($sort_list);
		#apply updates
		foreach ($update_list['ids'] as $key=> $value) {
			$config['installedpackages'][$pkg['name']]['config'][$sort_list[$key]]=$current_values[$update_list['ids'][$key]];
		}
		#save current config
		write_config();
		#sync package
		eval ("{$pkg['custom_php_resync_config_command']}");
	}
	#function called via jquery, no need to continue after save changes.
	exit;
}
if ($_GET['act'] == "del") {
	// loop through our fieldnames and automatically setup the fieldnames
	// in the environment.	ie: a fieldname of username with a value of
	// testuser would automatically eval $username = "testuser";
	foreach ($evaledvar as $ip) {
		if ($pkg['adddeleteeditpagefields']['columnitem']) {
			foreach ($pkg['adddeleteeditpagefields']['columnitem'] as $column) {
				${xml_safe_fieldname($column['fielddescr'])} = $ip[xml_safe_fieldname($column['fieldname'])];
			}
		}
	}

	$a_pkg = &$config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config'];

	if ($a_pkg[$_GET['id']]) {
		unset($a_pkg[$_GET['id']]);
		write_config();
		if ($pkg['custom_delete_php_command'] != "") {
			if ($pkg['custom_php_command_before_form'] != "") {
				eval($pkg['custom_php_command_before_form']);
			}
			eval($pkg['custom_delete_php_command']);
		}
		header("Location:  pkg.php?xml=" . $xml);
		exit;
	}
}

ob_start();

$iflist = get_configured_interface_with_descr(false, true);
$evaledvar = $config['installedpackages'][xml_safe_fieldname($pkg['name'])]['config'];

if ($pkg['custom_php_global_functions'] != "") {
	eval($pkg['custom_php_global_functions']);
}

if ($pkg['custom_php_command_before_form'] != "") {
	eval($pkg['custom_php_command_before_form']);
}

// Breadcrumb
if ($pkg['title'] != "") {
	/*if (!$only_edit) {						// Is any package still making use of this?? Is this something that is still wanted, considering the breadcrumb policy https://redmine.pfsense.org/issues/5527
 		$pkg['title'] = $pkg['title'] . '/Edit';		// If this needs to live on, then it has to be moved to run AFTER "foreach ($pkg['tabs']['tab'] as $tab)"-loop. This due to $pgtitle[] = $tab['text']; 
	}*/
	if (strpos($pkg['title'], '/')) {
		$title = explode('/', $pkg['title']);

		foreach ($title as $subtitle) {
			$pgtitle[] = gettext($subtitle);
		}
	} else {
		$pgtitle = array(gettext("Package"), gettext($pkg['title']));
	}
} else {
	$pgtitle = array(gettext("Package"), gettext("Editor"));
}

if ($pkg['tabs'] != "") {
	$tab_array = array();
	foreach ($pkg['tabs']['tab'] as $tab) {
		if ($tab['tab_level']) {
			$tab_level = $tab['tab_level'];
		} else {
			$tab_level = 1;
		}
		if (isset($tab['active'])) {
			$active = true;
			$pgtitle[] = $tab['text'];
		} else {
			$active = false;
		}
		if (isset($tab['no_drop_down'])) {
			$no_drop_down = true;
		}
		$urltmp = "";
		if ($tab['url'] != "") {
			$urltmp = $tab['url'];
		}
		if ($tab['xml'] != "") {
			$urltmp = "pkg_edit.php?xml=" . $tab['xml'];
		}

		$addresswithport = getenv("HTTP_HOST");
		$colonpos = strpos($addresswithport, ":");
		if ($colonpos !== False) {
			//my url is actually just the IP address of the pfsense box
			$myurl = substr($addresswithport, 0, $colonpos);
		} else {
			$myurl = $addresswithport;
		}
		// eval url so that above $myurl item can be processed if need be.
		$url = str_replace('$myurl', $myurl, $urltmp);

		$tab_array[$tab_level][] = array(
			$tab['text'],
			$active,
			$url
		);
	}

	ksort($tab_array);
}

include("head.inc");
if (isset($tab_array)) {
	foreach ($tab_array as $tabid => $tab) {
		display_top_tabs($tab); //, $no_drop_down, $tabid);
	}
}

?>

<script type="text/javascript">
//<![CDATA[
events.push(function() {

	function setFilter(filtertext) {
		jQuery('#pkg_filter').val(filtertext);
		document.pkgform.submit();
	}

<?php
	if ($pkg['adddeleteeditpagefields']['movable']) {
?>
		$('#mainarea table tbody').sortable({
		items: 'tr.sortable',
			cursor: 'move',
			distance: 10,
			opacity: 0.8,
			helper: function(e, ui) {
				ui.children().each(function() {
					jQuery(this).width(jQuery(this).width());
				});
			return ui;
			},
		});
<?php
	}
?>
});

function save_changes_to_xml(xml) {
	var ids = $('#mainarea table tbody').sortable('serialize', {key:"ids[]"});
	var strloading="<?=gettext('Saving changes...')?>";
	if (confirm("<?=gettext("Do you really want to save changes?")?>")) {
		$.ajax({
			type: 'get',
			cache: false,
			url: "<?=$_SERVER['SCRIPT_NAME']?>",
			data: {xml:'<?=$xml?>', act:'update', ids: ids},
			beforeSend: function() {
				$('#savemsg').empty().html(strloading);
			},
			error: function(data) {
				$('#savemsg').empty().html('Error:' + data);
			},
			success: function(data) {
				$('#savemsg').empty().html(data);
			}
		});
	}
}

//]]>
</script>

<?php
if ($_GET['savemsg'] != "") {
	$savemsg = htmlspecialchars($_GET['savemsg']);
}

if ($savemsg) {
	print_info_box($savemsg, 'success');
}
?>

<form action="pkg.php" name="pkgform" method="get">
	<input type='hidden' name='xml' value='<?=$_REQUEST['xml']?>' />
		<div id="mainarea" class="panel panel-default">
			<table id="mainarea" class="table table-striped table-hover table-condensed">
				<thead>
<?php
	/* Handle filtering bar A-Z */
	$include_filtering_inputbox = false;
	$colspan = 0;
	if ($pkg['adddeleteeditpagefields']['columnitem'] != "") {
		foreach ($pkg['adddeleteeditpagefields']['columnitem'] as $column) {
			$colspan++;
		}
	}
	if ($pkg['fields']['field']) {
		// First find the sorting type field if it exists
		foreach ($pkg['fields']['field'] as $field) {
			if ($field['type'] == "sorting") {
				if (isset($field['include_filtering_inputbox'])) {
					$include_filtering_inputbox = true;
				}
				if ($display_maximum_rows < 1) {
					if ($field['display_maximum_rows']) {
						$display_maximum_rows = $field['display_maximum_rows'];
					}
				}
				echo "<tr><td colspan='$colspan' class='text-center'>";
				echo "Filter by: ";
				$isfirst = true;
				for ($char = 65; $char < 91; $char++) {
					if (!$isfirst) {
						echo " | ";
					}
					echo "<a href=\"#\" onclick=\"setFilter('" . chr($char) . "');\">" . chr($char) . "</a>";
					$isfirst = false;
				}
				echo "</td></tr>";
				echo "<tr><td colspan='$colspan' class='text-center'>";
				if ($field['sortablefields']) {
					echo "Filter field: <select name='pkg_filter_type'>";
					foreach ($field['sortablefields']['item'] as $si) {
						if ($si['name'] == $_REQUEST['pkg_filter_type']) {
							$SELECTED = "selected";
						} else {
							$SELECTED = "";
						}
						echo "<option value='{$si['name']}' {$SELECTED}>{$si['name']}</option>";
					}
					echo "</select>";
				}
				if ($include_filtering_inputbox) {
					echo "&nbsp;&nbsp;Filter text: <input id='pkg_filter' name='pkg_filter' value='" . $_REQUEST['pkg_filter'] . "' /><input type='submit' value='Filter' />";
				}
				echo "</td></tr><tr><td><font size='-3'>&nbsp;</font></td></tr>";
			}
		}
	}
?>
				<tr>

<?php
	if ($display_maximum_rows) {
		$totalpages = ceil(round((count($evaledvar) / $display_maximum_rows), 9));
		$page = 1;
		$tmpcount = 0;
		$tmppp = 0;
		if (is_array($evaledvar)) {
			foreach ($evaledvar as $ipa) {
				if ($tmpcount == $display_maximum_rows) {
					$page++;
					$tmpcount = 0;
				}
				if ($tmppp == $startdisplayingat) {
					break;
				}
				$tmpcount++;
				$tmppp++;
			}
		}
		echo "<tr><th colspan='" . count($pkg['adddeleteeditpagefields']['columnitem']) . "'>";
		echo "<table width='100%' summary=''>";
		echo "<tr>";
		echo "<td class='text-left'>Displaying page $page of $totalpages</b></td>";
		echo "<td class='text-right'>Rows per page: <select onchange='document.pkgform.submit();' name='display_maximum_rows'>";
		for ($x = 0; $x < 250; $x++) {
			if ($x == $display_maximum_rows) {
				$SELECTED = "selected";
			} else {
				$SELECTED = "";
			}
			echo "<option value='$x' $SELECTED>$x</option>\n";
			$x = $x + 4;
		}
		echo "</select></td></tr>";
		echo "</table>";
		echo "</th></tr>";
	}

	$cols = 0;
	if ($pkg['adddeleteeditpagefields']['columnitem'] != "") {
		foreach ($pkg['adddeleteeditpagefields']['columnitem'] as $column) {
			echo "<th class=\"listhdrr\">" . $column['fielddescr'] . "</th>";
			$cols++;
		}
	}
?>
				</tr>
				</thead>
				<tbody>
<?php
	$i = 0;
	$pagination_counter = 0;
	if ($evaledvar) {
		foreach ($evaledvar as $ip) {
			if ($startdisplayingat) {
				if ($i < $startdisplayingat) {
					$i++;
					continue;
				}
			}
			if ($_REQUEST['pkg_filter']) {
				// Handle filtered items
				if ($pkg['fields']['field'] && !$filter_regex) {
					// First find the sorting type field if it exists
					foreach ($pkg['fields']['field'] as $field) {
						if ($field['type'] == "sorting") {
							if ($field['sortablefields']['item']) {
								foreach ($field['sortablefields']['item'] as $sf) {
									if ($sf['name'] == $_REQUEST['pkg_filter_type']) {
										$filter_fieldname = $sf['fieldname'];
										#Use a default regex on sortable fields when none is declared
										if ($sf['regex']) {
											$filter_regex = str_replace("%FILTERTEXT%", $_REQUEST['pkg_filter'], trim($sf['regex']));
										} else {
											$filter_regex = "/{$_REQUEST['pkg_filter']}/i";
										}
									}
								}
							}
						}
					}
				}
				// Do we have something to filter on?
				unset($filter_matches);
				if ($pkg['adddeleteeditpagefields']['columnitem'] != "") {
					foreach ($pkg['adddeleteeditpagefields']['columnitem'] as $column) {
						$fieldname = $ip[xml_safe_fieldname($column['fieldname'])];
						if ($column['fieldname'] == $filter_fieldname) {
							if ($filter_regex) {
								//echo "$filter_regex - $fieldname<p/>";
								preg_match($filter_regex, $fieldname, $filter_matches);
								break;
							}
						}
					}
				}
				if (!$filter_matches) {
					$i++;
					continue;
				}
			}
			if ($pkg['adddeleteeditpagefields']['movable']) {
				echo "<tr valign=\"top\" class=\"sortable\" id=\"id_{$i}\">\n";
			} else {
				echo "<tr valign=\"top\">\n";
			}
			if ($pkg['adddeleteeditpagefields']['columnitem'] != "") {
				foreach ($pkg['adddeleteeditpagefields']['columnitem'] as $column) {
					if ($column['fieldname'] == "description") {
						$class = "listbg";
					} else {
						$class = "listlr";
					}
?>
					<td class="<?=$class?>" ondblclick="document.location='pkg_edit.php?xml=<?=$xml?>&amp;act=edit&amp;id=<?=$i?>';">
<?php
					$fieldname = $ip[xml_safe_fieldname($column['fieldname'])];
					#Check if columnitem has a type field declared
					if ($column['type'] == "checkbox") {
						if ($fieldname == "") {
							echo gettext("No");
						} else {
							echo gettext("Yes");
						}
					} else if ($column['type'] == "interface") {
						echo $column['prefix'] . $iflist[$fieldname] . $column['suffix'];
					} else {
						#Check if columnitem has an encoding field declared
						if ($column['encoding'] == "base64") {
							echo $column['prefix'] . base64_decode($fieldname) . $column['suffix'];
						#Check if there is a custom info to show when $fieldname is not empty
						} else if ($column['listmodeon'] && $fieldname != "") {
							echo $column['prefix'] . gettext($column['listmodeon']). $column['suffix'];
						#Check if there is a custom info to show when $fieldname is empty
						} else if ($column['listmodeoff'] && $fieldname == "") {
							echo $column['prefix'] .gettext($column['listmodeoff']). $column['suffix'];
						} else {
							echo $column['prefix'] . $fieldname ." ". $column['suffix'];
						}
					}
?>
					</td>
<?php
				} // foreach columnitem
			} // if columnitem
?>
					<td valign="middle" class="list text-nowrap">
						<table border="0" cellspacing="0" cellpadding="1" summary="icons">
							<tr>
<?php
			#Show custom description to edit button if defined
			$edit_msg=($pkg['adddeleteeditpagefields']['edittext']?$pkg['adddeleteeditpagefields']['edittext']:"Edit this item");
?>
								<td><a class="fa fa-pencil" href="pkg_edit.php?xml=<?=$xml?>&amp;act=edit&amp;id=<?=$i?>" title="<?=$edit_msg?>"></a></td>
<?php
			#Show custom description to delete button if defined
			$delete_msg=($pkg['adddeleteeditpagefields']['deletetext']?$pkg['adddeleteeditpagefields']['deletetext']:"Delete this item");
?>
								<td>&nbsp;<a class="fa fa-trash" href="pkg.php?xml=<?=$xml?>&amp;act=del&amp;id=<?=$i?>" title="<?=gettext("Delete")?>"></a></td>
							</tr>
						</tbody>
					</table>
				</td>
<?php
			echo "</tr>\n"; // Pairs with an echo tr some way above
			// Handle pagination and display_maximum_rows
			if ($display_maximum_rows) {
				if ($pagination_counter == ($display_maximum_rows-1) or
					$i == (count($evaledvar)-1)) {
					$colcount = count($pkg['adddeleteeditpagefields']['columnitem']);
					$final_footer = "";
					$final_footer .= "<tr><td colspan='$colcount'>";
					$final_footer .= "<table width='100%' summary=''><tr>";
					$final_footer .= "<td class='text-left'>";
					$startingat = $startdisplayingat - $display_maximum_rows;
					if ($startingat > -1) {
						$final_footer .= "<a href='pkg.php?xml=" . $_REQUEST['xml'] . "&amp;startdisplayingat={$startingat}&amp;display_maximum_rows={$display_maximum_rows}'>";
					} else if ($startdisplayingat > 1) {
						$final_footer .= "<a href='pkg.php?xml=" . $_REQUEST['xml'] . "&amp;startdisplayingat=0&amp;display_maximum_rows={$display_maximum_rows}'>";
					}
					$final_footer .= "<font size='2'><< Previous page</font></a>";
					if ($tmppp + $display_maximum_rows > count($evaledvar)) {
						$endingrecord = count($evaledvar);
					} else {
						$endingrecord = $tmppp + $display_maximum_rows;
					}
					$final_footer .= "</td><td class='text-center'>";
					$tmppp++;
					$final_footer .= "<font size='2'>Displaying {$tmppp} - {$endingrecord} / " . count($evaledvar) . " records";
					$final_footer .= "</font></td><td class='text-right'>&nbsp;";
					if (($i+1) < count($evaledvar)) {
						$final_footer .= "<a href='pkg.php?xml=" . $_REQUEST['xml'] . "&amp;startdisplayingat=" . ($startdisplayingat + $display_maximum_rows) . "&amp;display_maximum_rows={$display_maximum_rows}'>";
					}
					$final_footer .= "<font size='2'>Next page >></font></a>";
					$final_footer .= "</td></tr></table></td></tr>";
					$i = count($evaledvar);
					break;
				}
			}
			$i++;
			$pagination_counter++;
		} // foreach evaledvar
	} // if evaledvar
?>
				<tr>
					<td colspan="<?=$cols?>"></td>
					<td>
						<table border="0" cellspacing="0" cellpadding="1" summary="icons">
							<tr>
<?php
	#Show custom description to add button if defined
	$add_msg=($pkg['adddeleteeditpagefields']['addtext']?$pkg['adddeleteeditpagefields']['addtext']:"Add a new item");
?>
								<td><a href="pkg_edit.php?xml=<?=$xml?>&amp;id=<?=$i?>" class="btn btn-sm btn-success" title="<?=$add_msg?>"><?=gettext('Add')?></a></td>
<?php
	#Show description button and info if defined
	if ($pkg['adddeleteeditpagefields']['description']) {
?>
								<td>
									<i class="fa fa-info-circle"><?=$pkg['adddeleteeditpagefields']['description']?></i>
								</td>
<?php
	}
?>
							</tr>
						</table>
					</td>
				</tr>
				<?=$final_footer?>
<?php
	#Show save button only when movable is defined
	if ($pkg['adddeleteeditpagefields']['movable']) {
?>


<?php
	}
?>
			</table>
			</div>
		<input class="btn btn-primary" type="button" value="Save" name="Submit" onclick="save_changes_to_xml('<?=$xml?>')" />

</form>
<?php
echo "<!-- filter_fieldname: {$filter_fieldname} -->";
echo "<!-- filter_regex: {$filter_regex} -->";

include("foot.inc"); ?>