2022-03-19 17:48:44 +01:00

249 lines
10 KiB
PHP

<?php
/* μlogger
*
* Copyright(C) 2017 Bartek Fabiszewski (www.fabiszewski.net)
*
* This is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
require_once(dirname(__DIR__) . "/helpers/auth.php");
require_once(ROOT_DIR . "/helpers/position.php");
require_once(ROOT_DIR . "/helpers/lang.php");
require_once(ROOT_DIR . "/helpers/config.php");
$auth = new uAuth();
$config = uConfig::getInstance();
$lang = (new uLang($config))->getStrings();
/**
* Add kml marker style element
*
* @param XMLWriter $xml Writer object
* @param string $name Color name
* @param string $url Url
*/
function addStyle($xml, $name, $url) {
$xml->startElement("Style");
$xml->writeAttribute("id", "{$name}Style");
$xml->startElement("IconStyle");
$xml->writeAttribute("id", "{$name}Icon");
$xml->startElement("Icon");
$xml->writeElement("href", $url);
$xml->endElement();
$xml->endElement();
$xml->endElement();
}
/**
* Convert seconds to [day], hour, minute, second string
*
* @param int $s Number of seconds
* @return string [d ]hhmmss
*/
function toHMS($s) {
$d = floor($s / 86400);
$h = floor(($s % 86400) / 3600);
$m = floor((($s % 86400) % 3600) / 60);
$s = (($s % 86400) % 3600) % 60;
return (($d > 0) ? "$d d " : "") . sprintf("%02d:%02d:%02d", $h, $m, $s);
}
$type = uUtils::getString('type', 'kml');
$userId = uUtils::getInt('userid');
$trackId = uUtils::getInt('trackid');
if (!$auth->hasReadAccess($userId)) {
// unauthorized
exit();
}
if ($config->units === "imperial") {
$factor_kmh = 0.62; //to mph
$unit_kmh = "mph";
$factor_m = 3.28; // to feet
$unit_m = "ft";
$factor_km = 0.62; // to miles
$unit_km = "mi";
} else {
$factor_kmh = 1;
$unit_kmh = "km/h";
$factor_m = 1;
$unit_m = "m";
$factor_km = 1;
$unit_km = "km";
}
if ($trackId && $userId) {
$positionsArr = uPosition::getAll($userId, $trackId);
if (empty($positionsArr)) {
exit();
}
switch ($type) {
case "kml":
default:
header("Content-type: application/vnd.google-earth.kml+xml");
header("Content-Disposition: attachment; filename=\"track{$positionsArr[0]->trackId}.kml\"");
$xml = new XMLWriter();
$xml->openURI("php://output");
$xml->setIndent(true);
$xml->startDocument("1.0", "utf-8");
$xml->startElement("kml");
$xml->writeAttributeNs("xsi", "schemaLocation", null, "http://www.opengis.net/kml/2.2 http://schemas.opengis.net/kml/2.2.0/ogckml22.xsd");
$xml->writeAttributeNs("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");
$xml->writeAttribute("xmlns", "http://www.opengis.net/kml/2.2");
$xml->startElement("Document");
$xml->writeElement("name", $positionsArr[0]->trackName);
// line style
$xml->startElement("Style");
$xml->writeAttribute("id", "lineStyle");
$xml->startElement("LineStyle");
$xml->writeElement("color", "7f0000ff");
$xml->writeElement("width", "4");
$xml->endElement();
$xml->endElement();
// marker styles
addStyle($xml, "red", "http://maps.google.com/mapfiles/markerA.png");
addStyle($xml, "green", "http://maps.google.com/mapfiles/marker_greenB.png");
addStyle($xml, "gray", "http://maps.gstatic.com/mapfiles/ridefinder-images/mm_20_gray.png");
$style = "#redStyle"; // for first element
$i = 0;
$totalMeters = 0;
$totalSeconds = 0;
$coordinate = [];
foreach ($positionsArr as $position) {
$distance = isset($prevPosition) ? $position->distanceTo($prevPosition) : 0;
$seconds = isset($prevPosition) ? $position->secondsTo($prevPosition) : 0;
$prevPosition = $position;
$totalMeters += $distance;
$totalSeconds += $seconds;
if(++$i === count($positionsArr)) { $style = "#greenStyle"; } // last element
$xml->startElement("Placemark");
$xml->writeAttribute("id", "point_{$position->id}");
$description =
"<div style=\"font-weight: bolder; padding-bottom: 10px; border-bottom: 1px solid gray;\">" .
"{$lang["user"]}: " . htmlspecialchars($position->userLogin) . "<br>{$lang["track"]}: " . htmlspecialchars($position->trackName) .
"</div>" .
"<div>" .
"<div style=\"padding-top: 10px;\"><b>{$lang["time"]}:</b> " . date("Y-m-d H:i:s (e)", $position->timestamp) . "<br>" .
(!is_null($position->comment) ? "<b>{$position->comment}</b><br>" : "") .
(!is_null($position->speed) ? "<b>{$lang["speed"]}:</b> " . round($position->speed * 3.6 * $factor_kmh, 2) . " {$unit_kmh}<br>" : "") .
(!is_null($position->altitude) ? "<b>{$lang["altitude"]}:</b> " . round($position->altitude * $factor_m) . " {$unit_m}<br>" : "") .
"<b>{$lang["ttime"]}:</b> " . toHMS($totalSeconds) . "<br>" .
"<b>{$lang["aspeed"]}:</b> " . (($totalSeconds !== 0) ? round($totalMeters / $totalSeconds * 3.6 * $factor_kmh, 2) : 0) . " {$unit_kmh}<br>" .
"<b>{$lang["tdistance"]}:</b> " . round($totalMeters / 1000 * $factor_km, 2) . " " . $unit_km . "<br></div>" .
"<div style=\"font-size: smaller; padding-top: 10px;\">" . sprintf($lang["pointof"], $i, count($positionsArr)) . "</div>" .
"</div>";
$xml->startElement("description");
$xml->writeCData($description);
$xml->endElement();
$xml->writeElement("styleUrl", $style);
$xml->startElement("Point");
$coordinate[$i] = "{$position->longitude},{$position->latitude}" . (!is_null($position->altitude) ? ",{$position->altitude}" : "");
$xml->writeElement("coordinates", $coordinate[$i]);
$xml->endElement();
$xml->endElement();
$style = "#grayStyle"; // other elements
}
$coordinates = implode("\n", $coordinate);
$xml->startElement("Placemark");
$xml->writeAttribute("id", "lineString");
$xml->writeElement("styleUrl", "#lineStyle");
$xml->startElement("LineString");
$xml->writeElement("coordinates", $coordinates);
$xml->endElement();
$xml->endElement();
$xml->endElement();
$xml->endElement();
$xml->endDocument();
$xml->flush();
break;
case "gpx":
header("Content-type: application/application/gpx+xm");
header("Content-Disposition: attachment; filename=\"track" . $positionsArr[0]->trackId . ".gpx\"");
$xml = new XMLWriter();
$xml->openURI("php://output");
$xml->setIndent(true);
$xml->startDocument("1.0", "utf-8");
$xml->startElement("gpx");
$xml->writeAttribute("xmlns", "http://www.topografix.com/GPX/1/1");
$xml->writeAttributeNs("xsi", "schemaLocation", null, "http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd https://github.com/bfabiszewski/ulogger-android/1 https://raw.githubusercontent.com/bfabiszewski/ulogger-server/master/scripts/gpx_extensions1.xsd");
$xml->writeAttributeNs("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");
$xml->writeAttributeNs("xmlns", "ulogger", null, "https://github.com/bfabiszewski/ulogger-android/1");
$xml->writeAttribute("creator", "μlogger-server " . $config->version);
$xml->writeAttribute("version", "1.1");
$xml->startElement("metadata");
$xml->writeElement("name", $positionsArr[0]->trackName);
$xml->writeElement("time", gmdate("Y-m-d\TH:i:s\Z", $positionsArr[0]->timestamp));
$xml->endElement();
$xml->startElement("trk");
$xml->writeElement("name", $positionsArr[0]->trackName);
$xml->startElement("trkseg");
$i = 0;
$totalMeters = 0;
$totalSeconds = 0;
foreach ($positionsArr as $position) {
$distance = isset($prevPosition) ? $position->distanceTo($prevPosition) : 0;
$seconds = isset($prevPosition) ? $position->secondsTo($prevPosition) : 0;
$prevPosition = $position;
$totalMeters += $distance;
$totalSeconds += $seconds;
$xml->startElement("trkpt");
$xml->writeAttribute("lat", $position->latitude);
$xml->writeAttribute("lon", $position->longitude);
if (!is_null($position->altitude)) {
$xml->writeElement("ele", $position->altitude);
}
$xml->writeElement("time", gmdate("Y-m-d\TH:i:s\Z", $position->timestamp));
$xml->writeElement("name", ++$i);
if (!is_null($position->comment)) {
$xml->startElement("desc");
$xml->writeCData($position->comment);
$xml->endElement();
}
if (!is_null($position->speed) || !is_null($position->bearing) || !is_null($position->accuracy) || !is_null($position->provider)) {
$xml->startElement("extensions");
if (!is_null($position->speed)) {
$xml->writeElementNS("ulogger", "speed", null, $position->speed);
}
if (!is_null($position->bearing)) {
$xml->writeElementNS("ulogger", "bearing", null, $position->bearing);
}
if (!is_null($position->accuracy)) {
$xml->writeElementNS("ulogger", "accuracy", null, $position->accuracy);
}
if (!is_null($position->provider)) {
$xml->writeElementNS("ulogger", "provider", null, $position->provider);
}
$xml->endElement();
}
$xml->endElement();
}
$xml->endElement();
$xml->endElement();
$xml->endElement();
$xml->endDocument();
$xml->flush();
break;
}
}
?>