add tile api

inc/spot.php

@@ -28,6 +28,7 @@ class Spot extends Main
 	public function __construct($oClassManagement, $sProcessPage)
 	{
 		parent::__construct($oClassManagement, $sProcessPage);
+		$oClassManagement->incClass('cacher', true);
 	}
 	
 	protected function install()
@@ -332,6 +333,34 @@ class Spot extends Main
 		return $oUploader->getBody();
 	}
 	
+	public function getTile($sMapId, $iX, $iY, $iZ)
+	{
+		if(isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] == $this->asContext['serv_name']) {
+			$asDomains = array();
+			switch($sMapId) {
+				case 'mapbox.satellite':
+				case 'mapbox.streets':
+					$sPattern = 'https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}@2x.png?access_token={token}';
+					$sToken = Settings::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 = Settings::LINZ_KEY;
+					$asDomains = array('a', 'b', 'c', 'd');
+					break;
+			}
+			$oCacher = new Cacher($sPattern, $sMapId);
+			$oCacher->setToken($sToken);
+			$oCacher->setDomains($asDomains);
+			
+			return $oCacher->pushTile($iX, $iY, $iZ);
+		}
+		else {
+			header('HTTP/1.1 403 Forbidden');
+			exit;
+		}
+	}
+	
 	public static function getPicInfo($sPicPath)
 	{
 		$iPicTimeStamp = $iPicTakenTimeStamp = $iPicFileTimeStamp = 0;