PHP Classes

File: httpClient.php

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File: httpClient.php
Role: Class source
Content type: text/plain
Description: Class file
Class: Abstract HTTP Client
Send HTTP requests for Web site pages
Author: By
Last change: Class is not more abstract. Support gzip/deflate and user cURL php wrapper
Date: 8 years ago
Size: 15,197 bytes
 

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<?php /** * Description of httpClient * * @author smn */ class httpClient { protected $_curl; protected $_url = ''; protected $_methods = array( 'GET' => CURLOPT_HTTPGET, 'POST' => CURLOPT_POST); protected $_method; protected $_postData = array(); protected $_headers = array(); protected $_followLocation = true; protected $_maxRedirects = 10; protected $_httpVersion = array( '1' => CURL_HTTP_VERSION_1_0, '2' => CURL_HTTP_VERSION_1_1); protected $_httpV = 2; protected $_timeout = 30; protected $_queryParams = array(); protected $_result; //protected $_compressTypes = array('compress', 'deflate', 'gzip', 'identity'); // supporto solo gzip e deflate (lib zlib) protected $_compressTypes = array('gzip','deflate'); protected $_acceptEncoding = array(); public function __construct($url = '') { $this->_curl = curl_init(); curl_setopt($this->_curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); // disable ipv6 $this->setMethod(); $this->setHttpVersion(); $this->setFollowLocation(); if ($url) { $this->setUrl($url); } } public function __destruct() { $this->_curl = null; } public function remakeUrl() { if (!$this->_url) { return; } $url = $this->_url; $parsed = parse_url($url); unset($parsed['query']); $u = (isset($parsed['scheme'])) ? $parsed['scheme'] : 'http'; $u .= '://' . $parsed['host']; $u .= (isset($parsed['path'])) ? $parsed['path'] : '/'; $params = ''; /*if (count($this->_queryParams) > 0) { $params .= http_build_query($this->_queryParams); }*/ //$u .= '?' .$params; inutile aggiungere i parametri nella remake , gli aggiunge gi setUrl() $this->setUrl($u); } public function isPost() { if ($this->getMethod() == 'POST') { return true; } return false; } public function isGet() { if ($this->getMethod() == 'GET') { return true; } return false; } public function setUrl($url, $flushqs = false) { $this->_url = $url; // $flushqs se true cancella precedenti querystring solo nel caso di get $parsed = parse_url($url); $params = (array_key_exists('query', $parsed)) ? $parsed['query'] : null; $u = (isset($parsed['scheme'])) ? $parsed['scheme'] : 'http'; $u .= '://' . $parsed['host']; $u .= (isset($parsed['path'])) ? $parsed['path'] : '/'; curl_setopt($this->_curl, CURLOPT_URL, $u); $this->_url = $u; // url impostata, ora setto le queryParams if (($flushqs === true) && ($this->isGet())) { $this->flushQueryString(); } if (!is_null($params)) { foreach (explode('&', $params) as $qs) { $q = explode('=', $qs); $key = $q[0]; $value = (isset($q[1])) ? $q[1] : ''; $this->setQueryParam($key, $value); } } } public function getUrl($include_queryString = false) { // include querystring restituisce nel caso in cui sia get il metodo, la url compresa di querystring //$this->remakeUrl(); $url = $this->_url; if (($this->isGet()) && (count($this->_queryParams) > 0) && ($include_queryString == true)) { $url .= '?' .http_build_query($this->_queryParams); } return $url; } public function getScheme() { return parse_url($this->_url, PHP_URL_SCHEME); } public function getHost() { return parse_url($this->_url, PHP_URL_HOST); } public function getPath() { if (!parse_url($this->_url, PHP_URL_PATH)) { return "/"; } return parse_url($this->_url, PHP_URL_PATH); } public function getPort() { if (!parse_url($this->_url, PHP_URL_PORT)) { return 80; } return parse_url($this->_url, PHP_URL_PORT); } public function setMethod($method = 'GET') { if (array_key_exists(strtoupper($method), $this->_methods)) { curl_setopt($this->_curl, $this->_methods[strtoupper($method)], true); $this->_method = strtoupper($method); } } public function getMethod() { return $this->_method; } public function setPost($postData, $postValue = '') { $this->_postData[$postData] = $postValue; } public function getPost($post) { if (array_key_exists($post, $this->_postData)) { return $this->_postData[$post]; } } public function setPostData($data = array()) { foreach ($data as $post => $value) { $this->setPost($post, $value); } } public function setQueryParam($key, $value = '') { $this->_queryParams[$key] = $value; } public function getQueryParam($key) { if (array_key_exists($key, $this->_queryParams)) { return $this->_queryParams[$key]; } } public function setQueryParams($queryParams = array()) { foreach ($queryParams as $key => $value) { $this->setQueryParam($key, $value); } } public function flushQueryString() { $this->_queryParams = array(); } public function flushHeaders() { $this->_headers = array(); } public function setHeader($header, $value = '') { $this->_headers[$header] = $value; } public function getHeader($header) { if (array_key_exists($header, $this->_headers)) { return $this->_headers[$header]; } return false; } public function setHeaders($headers = array()) { foreach ($headers as $header => $value) { $this->setHeader($header, $value); } } public function setMaxRedirect($maxRedirect = 10) { if (is_int($maxRedirect)) { $this->_maxRedirects = $maxRedirect; curl_setopt($this->_curl, CURLOPT_MAXREDIRS, $maxRedirect); } } public function getMaxRedirect() { return $this->_maxRedirects; } public function setFollowLocation($follow = true) { if (is_bool($follow)) { $this->_followLocation = $follow; curl_setopt($this->_curl, CURLOPT_FOLLOWLOCATION, $follow); } } public function setCompressType($compressType = '', $quality = null) { if (!extension_loaded('zlib')) { return; } if ($compressType == '') { return; } if (array_search($compressType, $this->_compressTypes) === false) { return false; } if (array_key_exists($compressType, $this->_compressTypes)) { if (is_null($quality) && (array_key_exists('quality',$this->_acceptEncoding[$compressType]))) { unset($this->_acceptEncoding[$compressType][$quality]); } else { $this->_acceptEncoding[$compressType][$quality] = $quality; } } else { if (is_null($quality)) { $data = array('name' => $compressType); } else { $data = array('name' => $compressType, 'quality' => $quality); } $this->_acceptEncoding[$compressType] = $data; } } public function getCompressType($compressType) { if (array_key_exists($compressType, $this->_acceptEncoding)) { return true; } return false; } public function delCompressType($compressType) { if ($this->getCompressType($compressType)) { unset($this->_acceptEncoding[$compressType]); } } public function setUtf8($utf8 = true) { if ($utf8 == true) { $this->setHeader('Content-Type','text/html; charset=utf-8'); } else { unset($this->_headers['Content-Type']); // va cambiato } } private function __implodeAcceptEncoding() { $encodeParams = array(); if (count($this->_acceptEncoding) == 0) { unset($this->_headers['Accept-Encoding']); return; } foreach($this->_acceptEncoding as $encode) { $nameEncode = $encode['name']; $encodeParams[] = (array_key_exists('quality',$encode)) ? $nameEncode .';q=' .$encode['quality'] : $nameEncode; } $this->setHeader('Accept-Encoding', implode(', ', $encodeParams)); } public function getFollowLocation() { return $this->_followLocation; } public function setHttpVersion($httpVersion = 2) { if (is_int($httpVersion)) { if (array_key_exists($httpVersion, $this->_httpVersion)) { curl_setopt($this->_curl, CURLOPT_HTTP_VERSION, $this->_httpVersion[$httpVersion]); $this->_httpV = $this->_httpVersion[$httpVersion]; } } } public function getHttpVersion() { return $this->_httpV; } public function setTimeOut($timeout = 30) { if (is_int($timeout)) { curl_setopt($this->_curl, CURLOPT_TIMEOUT, $timeout); $this->_timeout = $timeout; } } public function getTimeOut() { return $this->_timeout; } public function setUserAgent($value = 'my client') { $this->_headers["User-Agent"] = $value; } public function getUserAgent() { return $this->_headers["User-Agent"]; } private function __implodeHeader() { $_header = array(); $this->__implodeAcceptEncoding(); // ogni volta che genero gli header genero anche quello dell'encoding ksort($this->_headers); foreach ($this->_headers as $header => $value) { $_header[] = $header . ':' . $value; } curl_setopt($this->_curl, CURLOPT_HTTPHEADER, $_header); } public function send() { curl_setopt($this->_curl, CURLOPT_HEADER, true); // imposto la ricezione degli header curl_setopt($this->_curl, CURLOPT_RETURNTRANSFER, true); // imposto il body curl_setopt($this->_curl, CURLOPT_SSL_VERIFYPEER, false); // imposto la verifica dell'ssl a false $this->__implodeHeader(); // imposto tutti gli header alla curl resource //$this->remakeUrl(); // se sono in get, devo ricreare l'url con i parametri $url = $this->getUrl(); if (($this->isGet()) && (count($this->_queryParams) > 0)) { $url .= '?' .http_build_query($this->_queryParams); curl_setopt($this->_curl, CURLOPT_URL, $url); } // se sto in post, devo settare i postdata sull'ggetto curl if ($this->isPost()) { // se ho l'header Content-Type con multipart/form-data, gli passo un array a CURLOPT_POSTFIELDS // se ho l'header Content-Type con application/x-www-form-urlencoded , gli passo una stringa encoded con http_build_query // se ho l'header Content-Type che non uno di quei due o non lo tengo proprio, gli passo l'array // // quindi, in sostanza, se application/x-www-form-urlencoded gli passo una stringa encoded, altrimenti glielo passo array if ($this->getHeader('Content-Type') == 'application/x-www-form-urlencoded') { curl_setopt($this->_curl, CURLOPT_POSTFIELDS, http_build_query($this->_postData)); } else { curl_setopt($this->_curl, CURLOPT_POSTFIELDS, $this->_postData); } } $this->_result = curl_exec($this->_curl); } public function getResponseCode() { return curl_getinfo($this->_curl, CURLINFO_HTTP_CODE); // ultimo codice, anche in caso di redirect } public function getOnlyHeader() { // to dev } public function getResponseHeaders() { $header = substr($this->_result, 0, curl_getinfo($this->_curl, CURLINFO_HEADER_SIZE)); // prendo la risposta fino al carattere pari alla dimensione degli header $h = explode('\r\n\r\n', $header); $headers = array(); foreach (explode(chr(13), $h[0]) as $_index => $_header) { $split = preg_split('/\:/', $_header, 2); if (count($split) > 1) { // migliorare con trim per eliminare spazi ad inizio e fine $headerName = str_replace(chr(10), '', $split[0]); // elimina carattere NL $headerValue = str_replace(chr(10), '', $split[1]); // elimina carattere NL $headerValue = substr($headerValue,1, strlen($headerValue)); // elimina il primo carattere che uno spazio if (array_key_exists($headerName, $headers)) { if (is_array($headers[$headerName])) { $headers[$headerName][] = $headerValue; } else { $oldValue = $headers[$headerName]; $headers[$headerName] = array($oldValue, $headerValue); } } else { $headers[$headerName] = $headerValue; } } } return $headers; } public function getCookies() { } public function getResponseBody() { $body = substr($this->_result, curl_getinfo($this->_curl, CURLINFO_HEADER_SIZE)); // unici formati supportati attualmente sono gzip e deflate if (!extension_loaded('zlib')) { return $body; } $headers = $this->getResponseHeaders(); if (!array_key_exists('Content-Encoding', $headers)) { return $body; } $compress = $headers['Content-Encoding']; if ($compress == 'gzip') { $body = gzdecode($body); } if ($compress == 'deflate') { $body = gzinflate($body); } return $body; } public function getRawResponseBody() { $body = substr($this->_result, curl_getinfo($this->_curl, CURLINFO_HEADER_SIZE)); return $body; } public function getObject() { return $this->_curl; } public function getNumberOfRedirect() { return curl_getinfo($this->_curl, CURLINFO_REDIRECT_COUNT); } } ?>