Files
luos/gulliver/system/class.restClient.php

350 lines
10 KiB
PHP
Executable File

<?php
/**
* Class RestClient
*/
class RestClient
{
private $curl;
private $url;
private $response = "";
private $headers = array ();
private $method = "GET";
private $params = null;
private $contentType = null;
private $file = null;
/**
* Private Constructor, sets default options
*/
public function __construct ()
{
$this->curl = curl_init();
curl_setopt( $this->curl, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $this->curl, CURLOPT_AUTOREFERER, true ); // This make sure will follow redirects
curl_setopt( $this->curl, CURLOPT_FOLLOWLOCATION, true ); // This too
curl_setopt( $this->curl, CURLOPT_HEADER, true ); // THis verbose option for extracting the headers
}
/**
* Execute the call to the webservice
*
* @return RestClient
*/
public function execute ($getResponseIfDelete = false)
{
if ($this->method === "POST") {
curl_setopt( $this->curl, CURLOPT_POST, true );
curl_setopt( $this->curl, CURLOPT_POSTFIELDS, $this->params );
//var_dump($this->params);
//die;
} elseif ($this->method == "GET") {
curl_setopt( $this->curl, CURLOPT_HTTPGET, true );
$this->treatURL();
} elseif ($this->method === "PUT") {
curl_setopt( $this->curl, CURLOPT_PUT, true );
$this->treatURL();
$this->file = tmpFile();
fwrite( $this->file, $this->params );
fseek( $this->file, 0 );
curl_setopt( $this->curl, CURLOPT_INFILE, $this->file );
curl_setopt( $this->curl, CURLOPT_INFILESIZE, strlen( $this->params ) );
} else {
curl_setopt( $this->curl, CURLOPT_CUSTOMREQUEST, $this->method );
}
if ($this->contentType != null) {
curl_setopt( $this->curl, CURLOPT_HTTPHEADER, array ("Content-Type: " . $this->contentType,"SKEY: 8QRtY5zXyViZ9fjYou" ) );
}
curl_setopt( $this->curl, CURLOPT_URL, $this->url );
$r = curl_exec( $this->curl );
if ($this->method !== "DELETE" || $getResponseIfDelete) {
$this->treatResponse( $r ); // Extract the headers and response
return $this;
} else {
return $this;
}
}
/**
* Treats URL
*/
private function treatURL ()
{
if (is_array( $this->params ) && count( $this->params ) >= 1) {
// Transform parameters in key/value pars in URL
if (! strpos( $this->url, '?' )) {
$this->url .= '?';
}
foreach ($this->params as $k => $v) {
$this->url .= "&" . urlencode( $k ) . "=" . urlencode( $v );
}
}
return $this->url;
}
/*
* Treats the Response for extracting the Headers and Response
*/
private function treatResponse ($r)
{
if ($r == null or strlen( $r ) < 1) {
return;
}
$parts = explode( "\n\r", $r ); // HTTP packets define that Headers end in a blank line (\n\r) where starts the body
while (preg_match( '@HTTP/1.[0-1] 100 Continue@', $parts[0] ) or preg_match( "@Moved@", $parts[0] )) {
// Continue header must be bypass
for ($i = 1; $i < count( $parts ); $i ++) {
$parts[$i - 1] = trim( $parts[$i] );
}
unset( $parts[count( $parts ) - 1] );
}
preg_match( "@Content-Type: ([a-zA-Z0-9-]+/?[a-zA-Z0-9-]*)@", $parts[0], $reg ); // This extract the content type
$this->headers['content-type'] = $reg[1];
preg_match( "@HTTP/1.[0-1] ([0-9]{3}) ([a-zA-Z ]+)@", $parts[0], $reg ); // This extracts the response header Code and Message
$this->headers['code'] = $reg[1];
$this->headers['message'] = $reg[2];
$this->response = "";
for ($i = 1; $i < count( $parts ); $i ++) {
//This make sure that exploded response get back togheter
if ($i > 1) {
$this->response .= "\n\r";
}
$this->response .= $parts[$i];
}
}
/*
* @return array
*/
public function getHeaders ()
{
return $this->headers;
}
/*
* @return string
*/
public function getResponse ()
{
return $this->response;
}
/*
* HTTP response code (404,401,200,etc)
* @return int
*/
public function getResponseCode ()
{
return (int) $this->headers['code'];
}
/*
* HTTP response message (Not Found, Continue, etc )
* @return string
*/
public function getResponseMessage ()
{
return $this->headers['message'];
}
/*
* Content-Type (text/plain, application/xml, etc)
* @return string
*/
public function getResponseContentType ()
{
return $this->headers['content-type'];
}
/**
* This sets that will not follow redirects
*
* @return RestClient
*/
public function setNoFollow ()
{
curl_setopt( $this->curl, CURLOPT_AUTOREFERER, false );
curl_setopt( $this->curl, CURLOPT_FOLLOWLOCATION, false );
return $this;
}
/**
* This closes the connection and release resources
*
* @return RestClient
*/
public function close ()
{
curl_close( $this->curl );
$this->curl = null;
if ($this->file != null) {
fclose( $this->file );
}
return $this;
}
/**
* Sets the URL to be Called
*
* @return RestClient
*/
public function setUrl ($url)
{
$this->url = $url;
return $this;
}
/**
* Set the Content-Type of the request to be send
* Format like "application/xml" or "text/plain" or other
*
* @param string $contentType
* @return RestClient
*/
public function setContentType ($contentType)
{
$this->contentType = $contentType;
return $this;
}
/**
* Set the Credentials for BASIC Authentication
*
* @param string $user
* @param string $pass
* @return RestClient
*/
public function setCredentials ($user, $pass)
{
if ($user != null) {
curl_setopt( $this->curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC );
curl_setopt( $this->curl, CURLOPT_USERPWD, "{$user}:{$pass}" );
}
return $this;
}
/**
* Set the Request HTTP Method
* For now, only accepts GET and POST
*
* @param string $method
* @return RestClient
*/
public function setMethod ($method)
{
$this->method = $method;
return $this;
}
/**
* Set Parameters to be send on the request
* It can be both a key/value par array (as in array("key"=>"value"))
* or a string containing the body of the request, like a XML, JSON or other
* Proper content-type should be set for the body if not a array
*
* @param mixed $params
* @return RestClient
*/
public function setParameters ($params)
{
$this->params = $params;
return $this;
}
/**
* Creates the RESTClient
*
* @param string $url=null [optional]
* @return RestClient
*/
public static function createClient ($url = null)
{
$client = new RestClient();
if ($url != null) {
$client->setUrl( $url );
}
return $client;
}
/**
* Convenience method wrapping a commom POST call
*
* @param string $url
* @param mixed params
* @param string $user=null [optional]
* @param string $password=null [optional]
* @param string $contentType="multpary/form-data" [optional] commom post (multipart/form-data) as default
* @return RestClient
*/
//public static function post($url,$params=null,$user=null,$pwd=null,$contentType="multipart/form-data") {
public static function post ($url, $params, $user, $pwd, $contentType = "multipart/form-data")
{
//return self::call("POST",$url,$params,$user,$pwd,$contentType);
return self::call( "POST", $url, $params, $user, $pwd, $contentType );
}
/**
* Convenience method wrapping a commom PUT call
*
* @param string $url
* @param string $body
* @param string $user=null [optional]
* @param string $password=null [optional]
* @param string $contentType=null [optional]
* @return RestClient
*/
public static function put ($url, $body, $user = null, $pwd = null, $contentType = null)
{
return self::call( "PUT", $url, $body, $user, $pwd, $contentType );
}
/**
* Convenience method wrapping a commom GET call
*
* @param string $url
* @param array params
* @param string $user=null [optional]
* @param string $password=null [optional]
* @return RestClient
*/
//public static function get($url,array $params=null,$user=null,$pwd=null,$contentType=null) {
public static function get ($url, $user, $pwd, $contentType = null)
{
//return self::call("GET",$url,$params,$user,$pwd,$contentType);
return self::call( "GET", $url, null, $user, $pwd, $contentType );
}
/**
* Convenience method wrapping a commom delete call
*
* @param string $url
* @param array params
* @param string $user=null [optional]
* @param string $password=null [optional]
* @return RestClient
*/
public static function delete ($url, $user = null, $pwd = null, $contentType = null, $getResponse = false)
{
return self::call( "DELETE", $url, null, $user, $pwd, $contentType, $getResponse );
}
/**
* Convenience method wrapping a commom custom call
*
* @param string $method
* @param string $url
* @param string $body
* @param string $user=null [optional]
* @param string $password=null [optional]
* @param string $contentType=null [optional]
* @return RestClient
*/
public static function call ($method, $url, $body, $user = null, $pwd = null, $contentType = null, $getResponseIfDelete)
{
return self::createClient( $url )->setParameters( $body )->setMethod( $method )->setCredentials( $user, $pwd )->setContentType( $contentType )->execute($getResponseIfDelete)->close();
}
}