Add WMTS manager

.gitignore

@@ -1,3 +1,5 @@
 /.buildpath
 /.project
 /log.html
+/cache/
+/globalsettings.php

class_management.php

@@ -11,6 +11,7 @@ class ClassManagement extends PhpObject
 	const INC_FOLDER = 'inc/';
 	const INC_EXT = '.php';
 	const SETTINGS_FILE = 'settings.php';
+	const GLOBAL_SETTINGS_FILE = 'globalsettings.php';
 	const TOOLBOX_CLASS = 'toolbox';
 	const MAIN_CLASS_ABS = 'main';
 
@@ -22,6 +23,7 @@ class ClassManagement extends PhpObject
 		$this->asIncFiles = array();
 		
 		//try to include default files
+		$this->incFile(self::OBJECT_FOLDER.self::GLOBAL_SETTINGS_FILE);
 		$this->incFile(self::SETTINGS_FILE);
 		$this->incClass(self::TOOLBOX_CLASS);
 		

globalsettings-sample.php

@@ -0,0 +1,9 @@
+<?php
+
+class GlobalSettings
+{
+	const MAPBOX_KEY = '';
+	const IGN_FR_KEY = '';
+	const LINZ_KEY = '';
+	const LOC_API_KEY = '';
+}

inc/wmts.php

@@ -0,0 +1,162 @@
+<?php
+
+/**
+ * WMTS Class
+ * Provides API to get WMTS tiles from various sources
+ * @author Franzz
+ *
+ */
+class Wmts extends PhpObject
+{
+	const CACHE_FOLDER = ClassManagement::OBJECT_FOLDER.'cache/tiles/';
+	const DATA_RETENTION = 60 * 60 * 24 * 90; //3 months
+	
+	//Params
+	private $sId;
+	private $sPattern;
+	private $iX;
+	private $iY;
+	private $iZ;
+	private $sToken;
+	private $asDomains;
+	private $sReferer;
+	
+	public function __construct($sId, $asCustomParams=array())
+	{
+		parent::__construct(__CLASS__, Settings::DEBUG);
+		
+		$asParams = $this->getPreset($sId);
+		foreach($asCustomParams as $sParam => $sValue) $asParams[$sParam] = $sValue;
+		
+		$this->setPattern($asParams['pattern']);
+		$this->setId($sId);
+		$this->setGeoPos(0, 0, 0);
+		$this->setToken($asParams['token']);
+		$this->setDomains($asParams['domains']);
+		$this->setReferer($asParams['referer']);
+	}
+	
+	public function setId($sId) {
+		$this->sId = $sId;
+	}
+	
+	public function setPattern($sPattern) {
+		$this->sPattern = $sPattern;
+	}
+	
+	public function setToken($sToken) {
+		$this->sToken = $sToken;
+	}
+	
+	public function setDomains($asDomains) {
+		$this->asDomains = $asDomains;
+	}
+	
+	public function setReferer($sReferer) {
+		$this->sReferer = $sReferer;
+	}
+	
+	public function setGeoPos($iX, $iY, $iZ) {
+		$this->iX = $iX;
+		$this->iY = $iY;
+		$this->iZ = $iZ;
+	}
+	
+	public function getTile($iX, $iY, $iZ) {
+		$this->setGeoPos($iX, $iY, $iZ);
+		$sTilePath = $this->getFilePath();
+		if(!$this->isFileAvailable($sTilePath)) {
+			$oCurl = curl_init();
+			curl_setopt($oCurl, CURLOPT_URL, $this->getUrl());
+			curl_setopt($oCurl, CURLOPT_HEADER, false);
+			curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, true);
+			curl_setopt($oCurl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
+			curl_setopt($oCurl, CURLOPT_REFERER, $this->sReferer);
+			$sContent = curl_exec($oCurl);
+			curl_close($oCurl);
+			
+			file_put_contents($sTilePath, $sContent);
+		}
+		else $sContent = file_get_contents($sTilePath);
+		
+		return array('mime' => mime_content_type($sTilePath), 'content' => $sContent);
+	}
+	
+	public function pushTile($iX, $iY, $iZ) {
+		$asTile = $this->getTile($iX, $iY, $iZ);
+		header('Content-type: '.$asTile['mime']);
+		return $asTile['content'];
+	}
+	
+	public function getUrl() {
+		$asParams = $this->getUrlParams();
+		$sUrl = $this->sPattern;
+		foreach($asParams as $sParam=>$sValue) {
+			$sUrl = str_replace('{'.$sParam.'}', $sValue, $sUrl);
+		}
+		return $sUrl;
+	}
+	
+	private function isFileAvailable($sTilePath) {
+		if(!file_exists($sTilePath)) return false;
+		else return (time() - filemtime($sTilePath) < self::DATA_RETENTION);
+	}
+	
+	private function getFilePath() {
+		$asParams = $this->getUrlParams();
+		return self::CACHE_FOLDER.$asParams['id'].'_'.$asParams['x'].'_'.$asParams['y'].'_'.$asParams['z'].'.tile';
+	}
+	
+	private function getUrlParams() {
+		return array(
+			'id'	=> $this->sId,
+			'x'		=> $this->iX,
+			'y'		=> $this->iY,
+			'z'		=> $this->iZ,
+			'token' => $this->sToken,
+			's'		=> empty($this->asDomains)?'':$this->asDomains[array_rand($this->asDomains)]
+		);
+	}
+	
+	private function getPreset($sMapId) {
+		$sPattern = '';
+		$sToken = '';
+		$asDomains = array();
+		$sReferer = '';
+		switch($sMapId) {
+			case 'mapbox.satellite':
+			case 'mapbox.streets':
+				$sPattern = 'https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}@2x.png?access_token={token}';
+				$sToken = GlobalSettings::MAPBOX_KEY;
+				break;
+			case 'linz':
+				$sPattern = 'http://tiles-{s}.data-cdn.linz.govt.nz/services;key={token}/tiles/v4/layer=50767/EPSG:3857/{z}/{x}/{y}.png';
+				$sToken = GlobalSettings::LINZ_KEY;
+				$asDomains = array('a', 'b', 'c', 'd');
+				break;
+			case 'ign.es':
+				$sPattern = 'http://www.ign.es/wmts/mapa-raster?request=getTile&format=image/png&layer=MTN&TileMatrixSet=GoogleMapsCompatible&TileMatrix={z}&TileCol={x}&TileRow={y}';
+				break;
+			case 'ign.fr':
+				$sPattern = 'https://wxs.ign.fr/{token}/geoportail/wmts?LAYER=GEOGRAPHICALGRIDSYSTEMS.MAPS&EXCEPTIONS=text/xml&FORMAT=image/jpeg&SERVICE=WMTS&VERSION=1.0.0&REQUEST=GetTile&STYLE=normal&TILEMATRIXSET=PM&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}';
+				$sToken = GlobalSettings::IGN_FR_KEY;
+				$sReferer = 'https://www.visugpx.com/yfJDwfuTlf';
+				break;
+			case 'opentopomap':
+				$sPattern = 'https://{s}.tile.opentopomap.org/{z}/{x}/{y}.png';
+				$asDomains = array('a', 'b', 'c');
+				break;
+			case 'static':
+				$sPattern = 'https://api.mapbox.com/v4/mapbox.satellite/url-'.urlencode(Settings::HOST_SERVER).'%2Fimages%2Ffootprint_mapbox.png({x},{y})/{x},{y},{z}/400x300.png?access_token={token}';
+				$sToken = GlobalSettings::MAPBOX_KEY;
+				break;
+			case 'swisstopo':
+				$sPattern = 'https://wmts{s}.geo.admin.ch/1.0.0/ch.swisstopo.pixelkarte-farbe/default/current/3857/{z}/{x}/{y}.jpeg';
+				$sReferer = 'https://map.schweizmobil.ch/?lang=fr&bgLayer=pk&logo=yes&season=winter&resolution=20&E=2506240&N=1148440&layers=Winterhiking';
+				$asDomains = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
+				break;
+		}
+		
+		return array('id'=>$sMapId, 'pattern'=>$sPattern, 'token'=>$sToken, 'domains'=>$asDomains, 'referer'=>$sReferer);
+	}
+}