namespace PhalconPlus\Curl;
use PhalconPlus\Curl\Request;
use PhalconPlus\Curl\Response;
use PhalconPlus\Curl\Exception as CurlException;
/**
* @ref https://github.com/anlutro/php-curl
*/
class Curl
{
/**
* The cURL resource.
*/
protected ch = null;
/**
* The default headers.
*
* @var array
*/
protected defaultHeaders = [];
/**
* The default curl options.
*
* @var array
*/
protected defaultOptions = [];
/**
* Get allowed methods.
*
* @return array
*/
public function getAllowedMethods()
{
return Request::methods;
}
/**
* Set the default headers for every request.
*
* @param array $headers
*/
public function setDefaultHeaders(array headers)
{
let this->defaultHeaders = headers;
}
/**
* Get the default headers.
*
* @return array
*/
public function getDefaultHeaders()
{
return this->defaultHeaders;
}
/**
* Set the default curl options for every request.
*
* @param array $options
*/
public function setDefaultOptions(array options)
{
let this->defaultOptions = options;
}
/**
* Get the default options.
*
* @return array
*/
public function getDefaultOptions()
{
return this->defaultOptions;
}
/**
* Build an URL with an optional query string.
*
* @param string $url the base URL without any query string
* @param array $query array of GET parameters
*
* @return string
*/
public function buildUrl(string url, array query)
{
if (empty(query)) {
return url;
}
var retUrl;
var parts = parse_url(url);
var queryString = "";
if (isset(parts["query"]) && parts["query"]) {
let queryString = queryString . parts["query"]."&".http_build_query(query);
} else {
let queryString = queryString . http_build_query(query);
}
let retUrl = parts["scheme"]."://".parts["host"];
if (isset(parts["port"])) {
let retUrl = retUrl . ":" . parts["port"];
}
if (isset(parts["path"])) {
let retUrl = retUrl . parts["path"];
}
if (queryString) {
let retUrl = retUrl . "?" . queryString;
}
return retUrl;
}
/**
* Create a new response object and set its values.
*
* @param string $method get, post, etc
* @param string $url
* @param mixed $data POST data
* @param int $encoding Request::ENCODING_* constant specifying how to process the POST data
*
* @return Request
*/
public function newRequest(string method, string url, var data, int encoding = Request::ENCODING_QUERY)
{
var request;
let request = new Request(this);
if (this->defaultHeaders) {
request->setHeaders(this->defaultHeaders);
}
if (this->defaultOptions) {
request->setOptions(this->defaultOptions);
}
request->setMethod(method);
request->setUrl(url);
request->setData(data);
request->setEncoding(encoding);
return request;
}
/**
* Create a new JSON request and set its values.
*
* @param string $method get, post etc
* @param string $url
* @param mixed $data POST data
*
* @return Request
*/
public function newJsonRequest(string method, string url, array data = [])
{
return this->newRequest(method, url, data, Request::ENCODING_JSON);
}
/**
* Create a new raw request and set its values.
*
* @param string $method get, post etc
* @param string $url
* @param mixed $data request body
*
* @return Request
*/
public function newRawRequest(string method, string url, var data = "")
{
return this->newRequest(method, url, data, Request::ENCODING_RAW);
}
/**
* Prepare the curl resource for sending a request.
*
* @param Request $request
*
* @return void
*/
public function prepareRequest( request)
{
let this->ch = curl_init();
curl_setopt(this->ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt(this->ch, CURLOPT_HEADER, true);
var auth, options, method;
let auth = request->getUserAndPass();
if (auth) {
curl_setopt(this->ch, CURLOPT_USERPWD, auth);
}
curl_setopt(this->ch, CURLOPT_URL, request->getUrl());
let options = request->getOptions();
if (!empty(options)) {
curl_setopt_array(this->ch, options);
}
let method = request->getMethod();
curl_setopt(this->ch, CURLOPT_CUSTOMREQUEST, strtoupper(method));
curl_setopt(this->ch, CURLOPT_HTTPHEADER, request->formatHeaders());
if (request->hasData()) {
curl_setopt(this->ch, CURLOPT_POSTFIELDS, request->encodeData());
}
if ($method === "head") {
curl_setopt(this->ch, CURLOPT_NOBODY, true);
}
}
/**
* Send a request.
*
* @param Request $request
*
* @return Response
*/
public function sendRequest( request)
{
this->prepareRequest(request);
var result, response;
let result = curl_exec(this->ch);
if (result === false) {
var ex, errno, msg, errmsg;
let errno = curl_errno(this->ch);
let errmsg = curl_error(this->ch);
let msg = "Curl request failed with error [".errno.":". errmsg;
curl_close(this->ch);
let ex = new CurlException([msg, [], request]);
throw ex->setCode(errno);
}
let response = this->createResponseObject(result);
curl_close(this->ch);
return response;
}
/**
* Extract the response info, header and body from a cURL response. Saves
* the data in variables stored on the object.
*
* @param string $response
*
* @return Response
*/
protected function createResponseObject(response)
{
var info, headerSize, headers, body;
let info = curl_getinfo(this->ch);
let headerSize = curl_getinfo(this->ch, CURLINFO_HEADER_SIZE);
let headers = substr(response, 0, headerSize);
let body = substr(response, headerSize);
return new Response(body, headers, info);
}
/**
* Handle dynamic calls to the class.
*
* @param string $func
* @param array $args
*
* @return mixed
*/
public function __call(string func, array args)
{
var request, method, encoding, url, data = null, msg;
let method = strtolower(func);
let encoding = Request::ENCODING_QUERY;
if (substr(method, 0, 4) === "json") {
let encoding = Request::ENCODING_JSON;
let method = substr(method, 4);
} elseif (substr(method, 0, 3) === "raw") {
let encoding = Request::ENCODING_RAW;
let method = substr($method, 3);
}
if (!array_key_exists(method, Request::methods)) {
let msg = "Method [".method."] not a valid HTTP method.";
throw new \BadMethodCallException(msg);
}
if (!isset(args[0])) {
let msg = "Missing argument 1 (".url.") for ".__CLASS__. "::" . func;
throw new \BadMethodCallException(msg);
}
let url = args[0];
if (isset(args[1])) {
let data = args[1];
}
let request = this->newRequest(method, url, data, encoding);
return this->sendRequest(request);
}
}