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add tile api

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Franzz
2018-10-17 18:05:10 +02:00
parent 40a242ccb2
commit 05638e8762
5 changed files with 144 additions and 3 deletions
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103
inc/cacher.php Normal file
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@@ -0,0 +1,103 @@
<?php
class Cacher extends PhpObject
{
const CACHE_FOLDER = 'cache/';
const DATA_RETENTION = 60 * 60 * 24 * 90; //3 months
private $sPattern;
//Params
private $sId;
private $iX;
private $iY;
private $iZ;
private $sToken;
private $asDomains;
public function __construct($sPattern, $sId='')
{
parent::__construct(__CLASS__, Settings::DEBUG);
$this->setPattern($sPattern);
$this->setId($sId);
$this->iX = 0;
$this->iY = 0;
$this->iZ = 0;
$this->sToken = '';
$this->asDomains = array();
}
public function setId($sId) {
$this->sId = $sId;
}
public function setPattern($sPattern) {
$this->sPattern = $sPattern;
}
public function setToken($sToken) {
$this->sToken = $sToken;
}
public function setDomains($asDomains) {
$this->asDomains = $asDomains;
}
public function setGeoPos($iX, $iY, $iZ) {
$this->iX = $iX;
$this->iY = $iY;
$this->iZ = $iZ;
}
public function pushTile($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, 'http://spot.lutran.fr');
$sContent = curl_exec($oCurl);
curl_close($oCurl);
file_put_contents($sTilePath, $sContent);
}
else $sContent = file_get_contents($sTilePath);
header('Content-type: '.mime_content_type($sTilePath));
return $sContent;
}
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)]
);
}
}

29
inc/spot.php
View File

@@ -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;