se/SE/se-lib/Type/ApiRequest.php

<?php

class Type_ApiRequest {

	var $_data = [];

	static function build($url) { // @return Type_ApiRequest
		// GET https://biuro.biall-net.pl/dev-pl/se-master/wps.php?Request=GetCapabilities&identifier=&Service=WPS&Version=1.0.0
		// $url: /xml/wps?Request=GetCapabilities&identifier=&Service=WPS&Version=1.0.0

		$request = new Type_ApiRequest();
		$request->url = trim($url, '/ ');
		$urlParts = explode('?', $request->url);
		$request->path = $urlParts[0];
		$request->query = [];
		$query = (count($urlParts) > 1)? $urlParts[1] : null;
		if (!empty($query)) {
			$queryArgs = array();
			parse_str($request->query, $queryArgs);
			$request->query = $queryArgs;
		}
		$request->args = $_REQUEST;
		$segments = array_filter(explode('/', $request->path), function ($part) {
			return (!empty($part));
		});
		$request->format = array_shift($segments);
		IF(V::get('DBG','',$_GET)>1){echo'<pre style="max-height:200px;overflow:auto;border:1px solid red;text-align:left;">url (' . __CLASS__ . '::' . __FUNCTION__ . ':' . __LINE__ . '): ';print_r($request);echo'</pre>';}
		if (empty($segments)) return null;
		$request->segments = $segments;

		IF(V::get('DBG','',$_GET)>1){echo'<pre style="max-height:200px;overflow:auto;border:1px solid red;text-align:left;">responseFormat (' . __CLASS__ . '::' . __FUNCTION__ . ':' . __LINE__ . '): ';print_r($request->format);echo'</pre>';}
		if (!self::checkResponseFormat($request->format)) {
			throw new HttpException("Response format not allowed", 400);
		}
		IF(V::get('DBG','',$_GET)>1){echo'<pre style="max-height:200px;overflow:auto;border:1px solid red;text-align:left;">u (' . __CLASS__ . '::' . __FUNCTION__ . ':' . __LINE__ . '): ';print_r($request);echo'</pre>';}

		$request->apiRouterName = array_shift($request->segments);
		IF(V::get('DBG','',$_GET)>1){echo'<pre style="max-height:200px;overflow:auto;border:1px solid red;text-align:left;">u (' . __CLASS__ . '::' . __FUNCTION__ . ':' . __LINE__ . '): ';print_r($request);echo'</pre>';}
		$request->version = V::geti('version', '', $_REQUEST);
		// if (!self::checkVersion($request->version, $request->apiRouterName)) { // version may be set in POST body
		// 	throw new Exception("{$request->apiRouterName} API Version not supported ({$request->version})", 400);
		// }

		return $request;
	}

	static function checkResponseFormat($format) {
		$allowedTypes = array();
		$allowedTypes[] = 'xml';
		$allowedTypes[] = 'json';
		$allowedTypes[] = 'csv';
		$allowedTypes[] = 'csv_file';
		$allowedTypes[] = 'raw';
		return in_array($format, $allowedTypes);
	}

	static function checkVersion($version, $apiName) {
		switch ($apiName) {
			case 'wps': return self::checkWPSVersion($version);
			case 'wfsQgis': return self::checkWFSQgisVersion($version);
			case 'wfsData': return self::checkWFSDataVersion($version);
			default: return false;
		}
	}
	static function checkWPSVersion($version) {
		switch ($version) {
			case '1.0.0': return true; // QGIS client
			case '2.0.0': return false; // TODO: implement WPS 2.0.0 - need working client to test
			case '2.0.2': return false; // TODO: implement WPS 2.0.0 - need working client to test
			default: return false;
		}
	}
	static function checkWFSQgisVersion($version) {
		return true; // TODO: restrict by version ?
	}
	static function checkWFSDataVersion($version) {
		return true; // TODO: restrict by version ?
	}

	function __isset($name) {
		return (array_key_exists($name, $this->_data));
	}

	function __get($name) {
		if (array_key_exists($name, $this->_data)) {
			return $this->_data[$name];
		}
		return null;
	}

	function __set($name, $value) {
		$this->_data[$name] = $value;
	}

	function toArray() {
		return $this->_data;
	}

	function __toString() {
		return str_replace('"', '',
			str_replace([ '{', '}', '":', ',"' ], [ '{ ', ' }', ': ', ', ' ], json_encode($this->_data))
		);
	}

}