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779 lines
36 KiB
PHP
779 lines
36 KiB
PHP
<?php
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class Staticmap_model extends CI_Model {
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/**
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* Render a static map image
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*
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* @param $qsos Amount of QSOs to render
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* @param $uid User ID
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* @param $centerMap Center of the map
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* @param $station_coordinates Coordinates of the station
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* @param $filepath Path to save the image to
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* @param $continent Continent to display
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* @param $thememode Theme mode ('light' or 'dark')
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* @param $hide_home Whether to hide the home station
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* @param $night_shadow Whether to display the night shadow
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* @param $pathlines Whether to display pathlines
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* @param $cqzones Whether to display CQ zones
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* @param $ituzones Whether to display ITU zones
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*
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* @return bool True if the image was rendered successfully, false if not
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*/
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function render_static_map($qsos, $uid, $centerMap, $station_coordinates, $filepath, $continent = null, $thememode = null, $hide_home = false, $night_shadow = false, $pathlines = false, $cqzones = false, $ituzones = false, $watermark = true) {
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//===============================================================================================================================
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//=============================================== PREPARE AND LOAD DEPENDENCIES =================================================
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//===============================================================================================================================
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$this->load->model('Stations');
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$this->load->model('user_model');
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$this->load->model('stationsetup_model');
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if (!$this->load->is_loaded('Qra')) {
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$this->load->library('Qra');
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}
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if (!$this->load->is_loaded('genfunctions')) {
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$this->load->library('genfunctions');
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}
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$requiredClasses = [
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'./src/StaticMap/src/OpenStreetMap.php',
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'./src/StaticMap/src/LatLng.php',
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'./src/StaticMap/src/TileLayer.php',
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'./src/StaticMap/src/Markers.php',
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'./src/StaticMap/src/MapData.php',
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'./src/StaticMap/src/XY.php',
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'./src/StaticMap/src/Image.php',
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'./src/StaticMap/src/Utils/Terminator.php',
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'./src/StaticMap/src/Line.php',
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'./src/StaticMap/src/Polygon.php'
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];
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foreach ($requiredClasses as $class) {
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require_once($class);
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}
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$fontPath = 'src/StaticMap/src/resources/font.ttf';
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//===============================================================================================================================
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//===================================================== CONFIGURE GRAPHICS ======================================================
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//===============================================================================================================================
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// Map data and default values
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$centerMapLat = 25; // Needs to be a fix value as we can't wrap Latitude. Latitude of 25 is a good value to display all necessary places from north to south
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$centerMapLng = $centerMap[1];
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$centerMap = $centerMapLat . $centerMapLng; // used for cached tiles
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$zoom = 3;
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$width = 2048;
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$height = round(($width * 3.3) / 4);
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$line_pxsize = 1;
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$fontSize = 20;
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$fontPosX = $height - 20;
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$fontPosY = 300;
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$contFontPosX = $width - ($width - 50);
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$contFontPosY = $height - ($height - 30);
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$watermark_size_mutiplier = 1.5;
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$watermarkPosX = DantSu\PHPImageEditor\Image::ALIGN_CENTER;
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$watermarkPosY = DantSu\PHPImageEditor\Image::ALIGN_MIDDLE;
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$continentEnabled = false;
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$cqz_color = '195619'; // Green
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$ituz_color = '2c3e5f'; // Blue
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// Continent Option
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if ($continent != 'nC' || $continent != null || $continent != '') {
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if ($continent == 'AF') {
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$continentEnabled = true;
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$continentText = 'Africa';
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$centerMapLat = 2;
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$centerMapLng = 20;
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$zoom = 5;
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$height = round(($width * 4) / 4);
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$fontPosX = $height - 20;
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} elseif ($continent == 'AS') {
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$continentEnabled = true;
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$continentText = 'Asia';
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$centerMapLat = 45;
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$centerMapLng = 100;
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$zoom = 4;
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$contFontPosX = $width - ($width - 50);
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} elseif ($continent == 'EU') {
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$continentEnabled = true;
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$continentText = 'Europe';
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$centerMapLat = 65;
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$centerMapLng = 15;
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$height = round(($width * 5) / 4);
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$zoom = 5;
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$fontPosX = $height - 20;
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$contFontPosX = $width - ($width - 50);
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} elseif ($continent == 'NA') {
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$continentEnabled = true;
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$continentText = 'North America';
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$centerMapLat = 55;
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$centerMapLng = -100;
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$zoom = 4;
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$contFontPosX = $width - ($width - 110);
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} elseif ($continent == 'OC') {
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$continentEnabled = true;
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$continentText = 'Oceania';
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$centerMapLat = -25;
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$centerMapLng = 140;
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$zoom = 5;
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$contFontPosX = $width - ($width - 70);
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} elseif ($continent == 'SA') {
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$continentEnabled = true;
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$continentText = 'South America';
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$centerMapLat = -26;
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$centerMapLng = -60;
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$zoom = 5;
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$width = 1570;
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$height = round(($width * 5) / 4);
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$fontPosX = $height - 20;
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$contFontPosX = $width - ($width - 110);
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} elseif ($continent == 'AN') {
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$continentEnabled = true;
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$continentText = 'Antarctica';
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$centerMapLat = -73;
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$centerMapLng = 0;
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$zoom = 3;
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$watermark_size_mutiplier = 1;
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$height = round(($width * 1.5) / 4);
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$fontPosX = $height - 20;
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$contFontPosX = $width - ($width - 90);
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} else {
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// we don't want to change the default values in this case
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}
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}
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if ($zoom == 3) {
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$marker_size = 18;
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} elseif ($zoom == 4) {
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$marker_size = 24;
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} elseif ($zoom == 5) {
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$marker_size = 28;
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} else {
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$marker_size = 20;
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}
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//===============================================================================================================================
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//================================================ CREATE AN INSTANCE OF THE MAP ================================================
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//===============================================================================================================================
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// Set the tile layer
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if ($thememode != null) {
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$attribution = $this->optionslib->get_option('option_map_tile_server_copyright') ?? 'Map data © <a href="https://www.openstreetmap.org/">OpenStreetMap</a>';
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if ($thememode == 'light') {
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$server_url = $this->optionslib->get_option('option_map_tile_server') ?? '';
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if ($server_url == '') {
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$server_url = 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png';
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$this->optionslib->update('map_tile_server', $server_url, 'yes');
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}
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$tileLayer = new \Wavelog\StaticMapImage\TileLayer($server_url, $attribution, $thememode);
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} elseif ($thememode == 'dark') {
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$server_url = $this->optionslib->get_option('option_map_tile_server_dark') ?? '';
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if ($server_url == '') {
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$server_url = 'https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png';
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$this->optionslib->update('map_tile_server_dark', $server_url, 'yes');
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}
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$tileLayer = new \Wavelog\StaticMapImage\TileLayer($server_url, $attribution, $thememode);
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} else {
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$tileLayer = \Wavelog\StaticMapImage\TileLayer::defaultTileLayer();
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}
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} else {
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$tileLayer = \Wavelog\StaticMapImage\TileLayer::defaultTileLayer();
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}
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// Create the map
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$map = new \Wavelog\StaticMapImage\OpenStreetMap(new \Wavelog\StaticMapImage\LatLng($centerMapLat, $centerMapLng), $zoom, $width, $height, $tileLayer);
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//===============================================================================================================================
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//====================================================== RENDER THE ICONS =======================================================
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//===============================================================================================================================
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// Get user defined markers
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$options_object = $this->user_options_model->get_options('map_custom', null, $uid)->result();
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$user_icondata = array();
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if (count($options_object) > 0) {
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foreach ($options_object as $row) {
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if ($row->option_name == 'icon') {
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$option_value = json_decode($row->option_value, true);
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foreach ($option_value as $ktype => $vtype) {
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if ($this->input->post('user_map_' . $row->option_key . '_icon')) {
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$user_icondata['user_map_' . $row->option_key . '_' . $ktype] = $this->input->post('user_map_' . $row->option_key . '_' . $ktype, true);
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} else {
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$user_icondata['user_map_' . $row->option_key . '_' . $ktype] = $vtype;
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}
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}
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} else {
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$user_icondata['user_map_' . $row->option_name . '_' . $row->option_key] = $row->option_value;
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}
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}
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} else {
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// Default values
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$user_icondata['user_map_qso_icon'] = "fas fa-dot-circle";
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$user_icondata['user_map_qso_color'] = "#FF0000";
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$user_icondata['user_map_station_icon'] = "fas fa-home";
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$user_icondata['user_map_station_color'] = "#0000FF";
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$user_icondata['user_map_qsoconfirm_icon'] = "fas fa-check-circle";
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$user_icondata['user_map_qsoconfirm_color'] = "#00AA00";
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$user_icondata['user_map_gridsquare_show'] = "0";
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}
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// free memory
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unset($options_object);
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// Map all available icons to the unicode
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$unicode_map = array(
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'0' => 'f192', // dot-circle is default
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'fas fa-home' => 'f015',
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'fas fa-broadcast-tower' => 'f519',
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'fas fa-user' => 'f007',
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'fas fa-dot-circle' => 'f192',
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'fas fa-check-circle' => 'f058',
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);
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// Home Icon
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if (!$home_icon = $this->genfunctions->fas2png($unicode_map[$user_icondata['user_map_station_icon']], substr($user_icondata['user_map_station_color'], 1))) {
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log_message('error', "Failed to generate map icon. Exiting...");
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return false;
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}
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// QSO Icon
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if (!$qso_icon = $this->genfunctions->fas2png($unicode_map[$user_icondata['user_map_qso_icon']], substr($user_icondata['user_map_qso_color'], 1))) {
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log_message('error', "Failed to generate map icon. Exiting...");
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return false;
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}
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// QSO Confirm Icon
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if (!$qso_cfnm_icon = $this->genfunctions->fas2png($unicode_map[$user_icondata['user_map_qsoconfirm_icon']], substr($user_icondata['user_map_qsoconfirm_color'], 1))) {
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log_message('error', "Failed to generate map icon. Exiting...");
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return false;
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}
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//===============================================================================================================================
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//========================================= PROCESS THE QSOs AND PREPARE THE PATHLINES ==========================================
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//===============================================================================================================================
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// Get all QSOs with gridsquares and set markers for confirmed and unconfirmed QSOs
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// We also prepare the PATHLINES here ($paths and $paths_cnfd)
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$markerQsos = [];
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$markerQsosConfirmed = [];
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$paths = [];
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$paths_cnfd = [];
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$user_default_confirmation = $this->visitor_model->get_user_default_confirmation($uid);
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foreach ($qsos->result('array') as $qso) {
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if (!empty($qso['COL_GRIDSQUARE'])) {
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$latlng = $this->qra->qra2latlong($qso['COL_GRIDSQUARE']);
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$lat = $latlng[0];
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$lng = $latlng[1];
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} else if (!empty($qso['COL_VUCC_GRIDS'])) {
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$latlng = $this->qra->qra2latlong($qso['COL_VUCC_GRIDS']);
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$lat = $latlng[0];
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$lng = $latlng[1];
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} else {
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continue;
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}
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// Check for continents
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if ($continentEnabled) {
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if ($qso['COL_CONT'] != $continent) {
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continue;
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}
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}
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if ($this->visitor_model->qso_is_confirmed($qso, $user_default_confirmation) == true) {
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if ($pathlines) {
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$station_grid = $this->stations->profile($qso['station_id'])->row()->station_gridsquare;
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$station_latlng = $this->qra->qra2latlong($station_grid);
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$paths_cnfd[] = $this->draw_pathline($station_latlng, $latlng, $continentEnabled, '04A902', $line_pxsize); // Green
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}
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$markerQsosConfirmed[] = new \Wavelog\StaticMapImage\LatLng($lat, $lng);
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continue;
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} else {
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if ($pathlines) {
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$station_grid = $this->stations->profile($qso['station_id'])->row()->station_gridsquare;
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$station_latlng = $this->qra->qra2latlong($station_grid);
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$paths[] = $this->draw_pathline($station_latlng, $latlng, $continentEnabled, 'ff0000', $line_pxsize); // Red
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}
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$markerQsos[] = new \Wavelog\StaticMapImage\LatLng($lat, $lng);
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continue;
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}
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}
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//===============================================================================================================================
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//==================================================== PREPARE THE MARKERS ======================================================
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//===============================================================================================================================
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// Set the markers for the station
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if (!$hide_home) {
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$wrapping = !$continentEnabled;
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$markersStation = new \Wavelog\StaticMapImage\Markers($home_icon, $wrapping);
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$markersStation->resizeMarker($marker_size, $marker_size);
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$markersStation->setAnchor(\Wavelog\StaticMapImage\Markers::ANCHOR_CENTER, \Wavelog\StaticMapImage\Markers::ANCHOR_BOTTOM);
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foreach ($station_coordinates as $station) {
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$markersStation->addMarker(new \Wavelog\StaticMapImage\LatLng($station[0], $station[1]));
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}
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}
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// Set the markers for unconfirmed QSOs
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$markers = new \Wavelog\StaticMapImage\Markers($qso_icon, true);
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$markers->resizeMarker($marker_size, $marker_size);
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$markers->setAnchor(\Wavelog\StaticMapImage\Markers::ANCHOR_CENTER, \Wavelog\StaticMapImage\Markers::ANCHOR_BOTTOM);
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foreach ($markerQsos as $position) {
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$markers->addMarker($position);
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}
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// Set the markers for confirmed QSOs
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$markersConfirmed = new \Wavelog\StaticMapImage\Markers($qso_cfnm_icon, true);
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$markersConfirmed->resizeMarker($marker_size, $marker_size);
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$markersConfirmed->setAnchor(\Wavelog\StaticMapImage\Markers::ANCHOR_CENTER, \Wavelog\StaticMapImage\Markers::ANCHOR_BOTTOM);
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foreach ($markerQsosConfirmed as $position) {
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$markersConfirmed->addMarker($position);
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}
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//===============================================================================================================================
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//================================================== PREPARE THE NIGHTSHADOW ====================================================
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//===============================================================================================================================
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if ($night_shadow) {
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$terminator = new Terminator();
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$terminatorLine = $terminator->getTerminatorCoordinates();
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$lcolor = '000000'; // 000000 = black but we set lweight to 0, so the line won't be drawn anyway
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$lweight = 0;
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$pcolor = '000000AA'; // 000000 = black, AA = 66% opacity as hex
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$night_shadow_polygon = new Wavelog\StaticMapImage\Polygon($lcolor, $lweight, $pcolor);
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foreach ($terminatorLine as $coordinate) {
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$night_shadow_polygon->addPoint(new Wavelog\StaticMapImage\LatLng($coordinate[0], $coordinate[1]));
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}
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// free memory
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unset($terminator);
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}
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//===============================================================================================================================
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//============================================ PREPARE THE CQ ZONES OVERLAY =====================================================
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//===============================================================================================================================
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/**
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* Due to the long rendering times we cache the CQ Zones overlay and just paste it on the map
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*/
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if ($cqzones) {
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$cqz_cachedir = dirname($filepath) . '/cqz_overlays';
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if (!is_dir($cqz_cachedir)) {
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mkdir($cqz_cachedir, 0777, true);
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}
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$cqz_filename = crc32($centerMap . $continent . $zoom . $width . $height . $cqz_color) . '.png';
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if (!file_exists($cqz_cachedir . '/' . $cqz_filename)) {
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log_message('info', "No cached CQ Zone Overlay found. Creating new CQ Zones overlay...");
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$geojsonFile = 'assets/json/geojson/cqzones.geojson';
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$geojsonData = file_get_contents($geojsonFile);
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$data = json_decode($geojsonData, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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log_message("error", "Failed to read geojson data for cqzones" . json_last_error_msg());
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}
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$lcolor = $cqz_color;
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$lweight = 1;
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$pcolor = $cqz_color . 'FF'; // FF = 100% opacity as hex
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if (isset($data['features'])) {
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$cqzones_polygon_array = [];
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foreach ($data['features'] as $feature) {
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$one_cqzpolygon = new Wavelog\StaticMapImage\Polygon($lcolor, $lweight, $pcolor, !$continentEnabled);
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$coordinates = $feature['geometry']['coordinates'];
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foreach ($coordinates as $zone) {
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foreach ($zone as $point) {
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$one_cqzpolygon->addPoint(new Wavelog\StaticMapImage\LatLng($point[1], $point[0]));
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}
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}
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$zone_number = $feature['properties']['cq_zone_number'];
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$zone_name_loc = $feature['properties']['cq_zone_name_loc'];
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$cqzones_polygon_array[$zone_number]['polygon'] = $one_cqzpolygon;
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$cqzones_polygon_array[$zone_number]['number'] = $zone_number;
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$cqzones_polygon_array[$zone_number]['name_loc'] = $zone_name_loc;
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}
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} else {
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log_message("error", "Failed to read geojson data for cqzones. No features found.");
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}
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$cqz_tl = \Wavelog\StaticMapImage\TileLayer::defaultTileLayer();
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$cqz_tl = $cqz_tl->setOpacity(0);
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$cqz_map = new \Wavelog\StaticMapImage\OpenStreetMap(new \Wavelog\StaticMapImage\LatLng($centerMapLat, $centerMapLng), $zoom, $width, $height, $cqz_tl);
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$cqz_image = $cqz_map->getImage($centerMap);
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foreach ($cqzones_polygon_array as $cqzones_polygon) {
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$polygon = $cqzones_polygon['polygon'];
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$polygon->draw($cqz_image, $cqz_map->getMapData());
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$zone_number = $cqzones_polygon['number'];
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$cqz_fontsize = 33;
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$position = new \Wavelog\StaticMapImage\LatLng($cqzones_polygon['name_loc'][0], $cqzones_polygon['name_loc'][1]);
|
|
$positionXY = $cqz_map->getMapData()->convertLatLngToPxPosition($position);
|
|
$cqz_image->writeText($zone_number, $fontPath, $cqz_fontsize, $lcolor, $positionXY->getX(), $positionXY->getY(), $cqz_image::ALIGN_CENTER, $cqz_image::ALIGN_MIDDLE, 0, 0, !$continentEnabled);
|
|
}
|
|
|
|
$cqz_image->savePNG($cqz_cachedir . '/' . $cqz_filename);
|
|
|
|
// free memory
|
|
unset($cqzones_polygon_array);
|
|
|
|
} else {
|
|
log_message('info', "Found cached CQ Zone Overlay. Using cached overlay...");
|
|
}
|
|
}
|
|
|
|
|
|
//===============================================================================================================================
|
|
//============================================ PREPARE THE ITU ZONES OVERLAY ====================================================
|
|
//===============================================================================================================================
|
|
|
|
if ($ituzones) {
|
|
|
|
$ituz_cachedir = dirname($filepath) . '/ituz_overlays';
|
|
if (!is_dir($ituz_cachedir)) {
|
|
mkdir($ituz_cachedir, 0777, true);
|
|
}
|
|
$ituz_filename = crc32($centerMap . $continent . $zoom . $width . $height . $ituz_color) . '.png';
|
|
|
|
if (!file_exists($ituz_cachedir . '/' . $ituz_filename)) {
|
|
|
|
log_message('info', "No cached ITU Zone Overlay found. Creating new ITU Zones overlay...");
|
|
|
|
$geojsonFile = 'assets/json/geojson/ituzones.geojson';
|
|
$geojsonData = file_get_contents($geojsonFile);
|
|
|
|
$data = json_decode($geojsonData, true);
|
|
|
|
if (json_last_error() !== JSON_ERROR_NONE) {
|
|
log_message("error", "Failed to read geojson data for ituzones" . json_last_error_msg());
|
|
}
|
|
|
|
$lcolor = $ituz_color;
|
|
$lweight = 1;
|
|
$pcolor = $ituz_color . 'FF'; // FF = 100% opacity as hex
|
|
|
|
if (isset($data['features'])) {
|
|
$ituzones_polygon_array = [];
|
|
foreach ($data['features'] as $feature) { // one zone
|
|
$one_ituzpolygon = new Wavelog\StaticMapImage\Polygon($lcolor, $lweight, $pcolor, !$continentEnabled);
|
|
$coordinates = $feature['geometry']['coordinates'];
|
|
|
|
foreach ($coordinates as $zone) {
|
|
$ituz_points = [];
|
|
foreach ($zone as $point) {
|
|
$ituz_points[] = [$point[1], $point[0]];
|
|
$one_ituzpolygon->addPoint(new Wavelog\StaticMapImage\LatLng($point[1], $point[0]));
|
|
}
|
|
}
|
|
|
|
$zone_number = $feature['properties']['itu_zone_number'];
|
|
$zone_name_loc = $feature['properties']['itu_zone_name_loc'];
|
|
$ituzones_polygon_array[$zone_number]['polygon'] = $one_ituzpolygon;
|
|
$ituzones_polygon_array[$zone_number]['number'] = $zone_number;
|
|
$ituzones_polygon_array[$zone_number]['name_loc'] = $zone_name_loc;
|
|
}
|
|
} else {
|
|
log_message("error", "Failed to read geojson data for ituzones. No features found.");
|
|
}
|
|
|
|
$ituz_tl = \Wavelog\StaticMapImage\TileLayer::defaultTileLayer();
|
|
$ituz_tl = $ituz_tl->setOpacity(0);
|
|
$ituz_map = new \Wavelog\StaticMapImage\OpenStreetMap(new \Wavelog\StaticMapImage\LatLng($centerMapLat, $centerMapLng), $zoom, $width, $height, $ituz_tl);
|
|
$ituz_image = $ituz_map->getImage($centerMap);
|
|
|
|
foreach ($ituzones_polygon_array as $ituzones_polygon) {
|
|
$polygon = $ituzones_polygon['polygon'];
|
|
$polygon->draw($ituz_image, $ituz_map->getMapData());
|
|
|
|
$zone_number = $ituzones_polygon['number'];
|
|
$ituz_fontsize = 33;
|
|
$position = new \Wavelog\StaticMapImage\LatLng($ituzones_polygon['name_loc'][0], $ituzones_polygon['name_loc'][1]);
|
|
$positionXY = $ituz_map->getMapData()->convertLatLngToPxPosition($position);
|
|
$ituz_image->writeText($zone_number, $fontPath, $ituz_fontsize, $ituz_color, $positionXY->getX(), $positionXY->getY(), $ituz_image::ALIGN_CENTER, $ituz_image::ALIGN_MIDDLE, 0, 0, !$continentEnabled);
|
|
}
|
|
|
|
$ituz_image->savePNG($ituz_cachedir . '/' . $ituz_filename);
|
|
|
|
// free memory
|
|
unset($ituzones_polygon_array);
|
|
|
|
} else {
|
|
log_message('info', "Found cached ITU Zone Overlay. Using cached overlay...");
|
|
}
|
|
}
|
|
|
|
|
|
//===============================================================================================================================
|
|
//==================================================== CREATE THE IMAGE =========================================================
|
|
//===============================================================================================================================
|
|
|
|
/**
|
|
* Finally we can create the image and add the elements
|
|
*/
|
|
|
|
$image = $map->getImage($centerMap);
|
|
|
|
// Add night shadow
|
|
if ($night_shadow) {
|
|
$night_shadow_polygon->draw($image, $map->getMapData());
|
|
}
|
|
|
|
// Pathlines
|
|
if ($pathlines) {
|
|
foreach ($paths as $path) {
|
|
$path->draw($image, $map->getMapData());
|
|
}
|
|
foreach ($paths_cnfd as $path) {
|
|
$path->draw($image, $map->getMapData());
|
|
}
|
|
}
|
|
|
|
// CQ Zones
|
|
if ($cqzones) {
|
|
$cqz_image = DantSu\PHPImageEditor\Image::fromPath($cqz_cachedir . '/' . $cqz_filename);
|
|
$image->pasteOn($cqz_image, 0, 0);
|
|
}
|
|
|
|
// ITU Zones
|
|
if ($ituzones) {
|
|
$ituz_image = DantSu\PHPImageEditor\Image::fromPath($ituz_cachedir . '/' . $ituz_filename);
|
|
$image->pasteOn($ituz_image, 0, 0);
|
|
}
|
|
|
|
// Add markers
|
|
if (!$hide_home) {
|
|
$markersStation->draw($image, $map->getMapData());
|
|
}
|
|
$markers->draw($image, $map->getMapData());
|
|
$markersConfirmed->draw($image, $map->getMapData());
|
|
|
|
// Add Wavelog watermark
|
|
if ($watermark) {
|
|
$watermark = DantSu\PHPImageEditor\Image::fromPath('src/StaticMap/src/resources/watermark_static_map.png');
|
|
$watermark->resize(round($width * $watermark_size_mutiplier), round((($width * 3) / 4) * $watermark_size_mutiplier));
|
|
$image->pasteOn($watermark, $watermarkPosX, $watermarkPosY);
|
|
}
|
|
|
|
// Add "Created with Wavelog" text
|
|
$user = $this->user_model->get_by_id($uid)->row();
|
|
$custom_date_format = $user->user_date_format;
|
|
$dateTime = date($custom_date_format . ' - H:i');
|
|
$text = "Created with Wavelog on " . $dateTime . " UTC";
|
|
$color = 'ff0000'; // Red
|
|
$image->writeText($text, $fontPath, $fontSize, $color, $fontPosY, $fontPosX);
|
|
|
|
// Add continent text
|
|
if ($continentEnabled) {
|
|
$fontPath = 'src/StaticMap/src/resources/font.ttf';
|
|
$color = 'ff0000'; // Red
|
|
$image->writeText($continentText, $fontPath, $fontSize, $color, $contFontPosX, $contFontPosY);
|
|
}
|
|
|
|
// Save the image
|
|
if ($image->savePNG($filepath)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a geodesic pathline between two points
|
|
*
|
|
* @param $start Start point
|
|
* @param $end End point
|
|
* @param $continent If continent view is enabled (affects wrapping)
|
|
* @param $color Color of the pathline
|
|
* @param $weight Weight of the pathline (px)
|
|
*
|
|
* @return Line An instance of Wavelog\StaticMapImage\Line
|
|
*/
|
|
|
|
function draw_pathline($start, $end, $continent, $color = 'ffffff', $weight = 1) {
|
|
|
|
$start = new \Wavelog\StaticMapImage\LatLng($start[0], $start[1]);
|
|
$end = new \Wavelog\StaticMapImage\LatLng($end[0], $end[1]);
|
|
|
|
$path = new \Wavelog\StaticMapImage\Line($color, $weight, !$continent);
|
|
|
|
foreach ($path->geodesicPoints($start, $end, $continent) as $point) {
|
|
$path->addPoint($point);
|
|
}
|
|
|
|
return $path;
|
|
}
|
|
|
|
/**
|
|
* Remove outdated static map images from the cache directory
|
|
* Based on station_id because is handled and used during qso creation
|
|
*
|
|
* @param int $station_id The station ID to remove the static map image for
|
|
* @param int $logbook_id The logbook ID to remove the static map image for
|
|
*
|
|
* @return bool True if the image was removed successfully, false if not
|
|
*/
|
|
|
|
function remove_static_map_image($station_id = null, $logbook_id = null) {
|
|
|
|
$this->load->model('stationsetup_model');
|
|
|
|
if ($station_id == null && $logbook_id == null) {
|
|
log_message('error', "Can't remove static map image cache. Neither a station ID nor a logbook ID was provided. Exiting...");
|
|
return false;
|
|
}
|
|
$cachepath = $this->config->item('cache_path') == '' ? APPPATH . 'cache/' : $this->config->item('cache_path');
|
|
$cacheDir = $cachepath . "staticmap_images/";
|
|
|
|
if (!is_dir($cacheDir)) {
|
|
log_message('debug', "Cache directory '" . $cacheDir . "' does not exist. Therefore no static map images to remove...");
|
|
return true;
|
|
}
|
|
|
|
if ($station_id != null) {
|
|
if (!is_numeric($station_id) || $station_id == '' || $station_id == null) {
|
|
log_message('error', "Station ID is not valid. Exiting...");
|
|
return false;
|
|
}
|
|
|
|
$linked_logbooks = $this->stationsetup_model->get_container_relations($station_id, true); // true means we do a reverse search
|
|
|
|
if (!$linked_logbooks) {
|
|
log_message('error', "No linked logbooks found for station ID " . $station_id . ". Exiting...");
|
|
return false;
|
|
}
|
|
foreach ($linked_logbooks as $logbook_id) {
|
|
$slug = $this->stationsetup_model->get_slug($logbook_id);
|
|
if ($slug == false) {
|
|
log_message('debug', "No slug found for logbook ID " . $logbook_id . ". Continue...");
|
|
continue;
|
|
}
|
|
|
|
$prefix = crc32('staticmap_' . $slug);
|
|
$files = glob($cacheDir . $prefix . '*');
|
|
|
|
if (!empty($files)) {
|
|
foreach ($files as $file) {
|
|
log_message('debug', "Found a outdated static map image: " . basename($file) . ". Deleting...");
|
|
unlink($file);
|
|
}
|
|
} else {
|
|
log_message('info', "Found no files with the prefix '" . $prefix . "' in the cache directory.");
|
|
}
|
|
}
|
|
|
|
return true; // Success
|
|
}
|
|
if ($logbook_id != null) {
|
|
|
|
if (!is_numeric($logbook_id) || $logbook_id == '' || $logbook_id == null) {
|
|
log_message('error', "Logbook ID is not valid. Exiting...");
|
|
return false;
|
|
}
|
|
|
|
$slug = $this->stationsetup_model->get_slug($logbook_id);
|
|
if ($slug == false) {
|
|
log_message('debug', "No slug found for logbook ID " . $logbook_id . ". Exiting...");
|
|
return false;
|
|
}
|
|
|
|
$prefix = crc32('staticmap_' . $slug);
|
|
$files = glob($cacheDir . $prefix . '*');
|
|
|
|
if (!empty($files)) {
|
|
foreach ($files as $file) {
|
|
log_message('debug', "Found a outdated static map image: " . basename($file) . ". Deleting...");
|
|
unlink($file);
|
|
}
|
|
} else {
|
|
log_message('info', "Found no files with the prefix '" . $prefix . "' in the cache directory.");
|
|
}
|
|
|
|
return true; // Success
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validate a cached static map image
|
|
*
|
|
* @param $file File to validate (realpath)
|
|
* @param $cacheDir Cache directory itself
|
|
* @param $maxAge Maximum age of the file in seconds
|
|
*
|
|
* @return bool True if the file is valid, false if not
|
|
*/
|
|
|
|
function validate_cached_image($file, $cacheDir, $maxAge, $slug) {
|
|
|
|
$realPath = realpath($file);
|
|
$filename = basename($file);
|
|
|
|
// get the slug
|
|
$parts = explode('_', $filename);
|
|
$validation_hash = $parts[0];
|
|
|
|
if (!file_exists($file)) {
|
|
log_message('debug', "Cached static map image file does not exist. Creating a new one...");
|
|
return false;
|
|
}
|
|
|
|
if ($validation_hash !== (string) crc32('staticmap_' . $slug)) {
|
|
log_message('error', "Static_map: Invalid validation hash. Deleting the file and exiting...");
|
|
if (!unlink($file)) {
|
|
log_message('error', "Failed to delete invalid cached static map image file: " . $file);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if ($realPath === false || strpos($realPath, $cacheDir) !== 0) {
|
|
log_message('error', "Invalid Filepath. Possible traversal attack detected. Deleting the file and exiting...");
|
|
if (file_exists($file)) {
|
|
if (!unlink($file)) {
|
|
log_message('error', "Failed to delete invalid cached static map image file: " . $file);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (filesize($file) < 1024) { // 1 kB
|
|
log_message('error', "Cached static map image file is unusually small, possible corruption detected. Deleting the file and exiting...");
|
|
if (!unlink($file)) {
|
|
log_message('error', "Failed to delete invalid cached static map image file: " . $file);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (mime_content_type($file) !== 'image/png') {
|
|
log_message('error', "Cached static map image file is no PNG. Deleting the file and exiting...");
|
|
if (!unlink($file)) {
|
|
log_message('error', "Failed to delete invalid cached static map image file: " . $file);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (time() - filemtime($file) > $maxAge) {
|
|
log_message('debug', "Cached static map image has expired. Deleting old cache file...");
|
|
if (!unlink($file)) {
|
|
log_message('error', "Failed to delete invalid cached static map image file: " . $file);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|