ajout de la partie slam dans le dossier web
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885
ap23/web/doku/inc/HTTP/HTTPClient.php
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885
ap23/web/doku/inc/HTTP/HTTPClient.php
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@@ -0,0 +1,885 @@
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<?php
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namespace dokuwiki\HTTP;
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define('HTTP_NL',"\r\n");
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/**
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* This class implements a basic HTTP client
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*
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* It supports POST and GET, Proxy usage, basic authentication,
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* handles cookies and referers. It is based upon the httpclient
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* function from the VideoDB project.
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*
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* @link http://www.splitbrain.org/go/videodb
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* @author Andreas Goetz <cpuidle@gmx.de>
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* @author Andreas Gohr <andi@splitbrain.org>
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* @author Tobias Sarnowski <sarnowski@new-thoughts.org>
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*/
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class HTTPClient {
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//set these if you like
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public $agent; // User agent
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public $http; // HTTP version defaults to 1.0
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public $timeout; // read timeout (seconds)
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public $cookies;
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public $referer;
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public $max_redirect;
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public $max_bodysize;
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public $max_bodysize_abort = true; // if set, abort if the response body is bigger than max_bodysize
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public $header_regexp; // if set this RE must match against the headers, else abort
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public $headers;
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public $debug;
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public $start = 0.0; // for timings
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public $keep_alive = true; // keep alive rocks
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// don't set these, read on error
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public $error;
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public $redirect_count;
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// read these after a successful request
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public $status;
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public $resp_body;
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public $resp_headers;
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// set these to do basic authentication
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public $user;
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public $pass;
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// set these if you need to use a proxy
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public $proxy_host;
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public $proxy_port;
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public $proxy_user;
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public $proxy_pass;
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public $proxy_ssl; //boolean set to true if your proxy needs SSL
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public $proxy_except; // regexp of URLs to exclude from proxy
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// list of kept alive connections
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protected static $connections = array();
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// what we use as boundary on multipart/form-data posts
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protected $boundary = '---DokuWikiHTTPClient--4523452351';
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/**
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* Constructor.
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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public function __construct(){
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$this->agent = 'Mozilla/4.0 (compatible; DokuWiki HTTP Client; '.PHP_OS.')';
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$this->timeout = 15;
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$this->cookies = array();
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$this->referer = '';
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$this->max_redirect = 3;
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$this->redirect_count = 0;
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$this->status = 0;
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$this->headers = array();
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$this->http = '1.0';
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$this->debug = false;
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$this->max_bodysize = 0;
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$this->header_regexp= '';
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if(extension_loaded('zlib')) $this->headers['Accept-encoding'] = 'gzip';
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$this->headers['Accept'] = 'text/xml,application/xml,application/xhtml+xml,'.
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'text/html,text/plain,image/png,image/jpeg,image/gif,*/*';
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$this->headers['Accept-Language'] = 'en-us';
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}
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/**
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* Simple function to do a GET request
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*
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* Returns the wanted page or false on an error;
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*
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* @param string $url The URL to fetch
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* @param bool $sloppy304 Return body on 304 not modified
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* @return false|string response body, false on error
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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public function get($url,$sloppy304=false){
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if(!$this->sendRequest($url)) return false;
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if($this->status == 304 && $sloppy304) return $this->resp_body;
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if($this->status < 200 || $this->status > 206) return false;
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return $this->resp_body;
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}
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/**
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* Simple function to do a GET request with given parameters
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*
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* Returns the wanted page or false on an error.
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*
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* This is a convenience wrapper around get(). The given parameters
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* will be correctly encoded and added to the given base URL.
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*
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* @param string $url The URL to fetch
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* @param array $data Associative array of parameters
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* @param bool $sloppy304 Return body on 304 not modified
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* @return false|string response body, false on error
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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public function dget($url,$data,$sloppy304=false){
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if(strpos($url,'?')){
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$url .= '&';
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}else{
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$url .= '?';
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}
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$url .= $this->postEncode($data);
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return $this->get($url,$sloppy304);
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}
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/**
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* Simple function to do a POST request
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*
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* Returns the resulting page or false on an error;
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*
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* @param string $url The URL to fetch
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* @param array $data Associative array of parameters
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* @return false|string response body, false on error
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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public function post($url,$data){
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if(!$this->sendRequest($url,$data,'POST')) return false;
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if($this->status < 200 || $this->status > 206) return false;
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return $this->resp_body;
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}
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/**
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* Send an HTTP request
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*
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* This method handles the whole HTTP communication. It respects set proxy settings,
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* builds the request headers, follows redirects and parses the response.
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*
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* Post data should be passed as associative array. When passed as string it will be
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* sent as is. You will need to setup your own Content-Type header then.
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*
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* @param string $url - the complete URL
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* @param mixed $data - the post data either as array or raw data
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* @param string $method - HTTP Method usually GET or POST.
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* @return bool - true on success
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*
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* @author Andreas Goetz <cpuidle@gmx.de>
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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public function sendRequest($url,$data='',$method='GET'){
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$this->start = $this->time();
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$this->error = '';
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$this->status = 0;
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$this->resp_body = '';
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$this->resp_headers = array();
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// don't accept gzip if truncated bodies might occur
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if($this->max_bodysize &&
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!$this->max_bodysize_abort &&
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$this->headers['Accept-encoding'] == 'gzip'){
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unset($this->headers['Accept-encoding']);
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}
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// parse URL into bits
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$uri = parse_url($url);
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$server = $uri['host'];
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$path = $uri['path'];
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if(empty($path)) $path = '/';
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if(!empty($uri['query'])) $path .= '?'.$uri['query'];
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if(!empty($uri['port'])) $port = $uri['port'];
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if(isset($uri['user'])) $this->user = $uri['user'];
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if(isset($uri['pass'])) $this->pass = $uri['pass'];
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// proxy setup
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if($this->useProxyForUrl($url)){
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$request_url = $url;
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$server = $this->proxy_host;
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$port = $this->proxy_port;
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if (empty($port)) $port = 8080;
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$use_tls = $this->proxy_ssl;
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}else{
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$request_url = $path;
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if (!isset($port)) $port = ($uri['scheme'] == 'https') ? 443 : 80;
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$use_tls = ($uri['scheme'] == 'https');
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}
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// add SSL stream prefix if needed - needs SSL support in PHP
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if($use_tls) {
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if(!in_array('ssl', stream_get_transports())) {
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$this->status = -200;
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$this->error = 'This PHP version does not support SSL - cannot connect to server';
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}
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$server = 'ssl://'.$server;
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}
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// prepare headers
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$headers = $this->headers;
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$headers['Host'] = $uri['host'];
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if(!empty($uri['port'])) $headers['Host'].= ':'.$uri['port'];
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$headers['User-Agent'] = $this->agent;
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$headers['Referer'] = $this->referer;
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if($method == 'POST'){
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if(is_array($data)){
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if (empty($headers['Content-Type'])) {
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$headers['Content-Type'] = null;
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}
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switch ($headers['Content-Type']) {
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case 'multipart/form-data':
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$headers['Content-Type'] = 'multipart/form-data; boundary=' . $this->boundary;
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$data = $this->postMultipartEncode($data);
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break;
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default:
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$headers['Content-Type'] = 'application/x-www-form-urlencoded';
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$data = $this->postEncode($data);
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}
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}
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}elseif($method == 'GET'){
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$data = ''; //no data allowed on GET requests
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}
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$contentlength = strlen($data);
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if($contentlength) {
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$headers['Content-Length'] = $contentlength;
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}
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if($this->user) {
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$headers['Authorization'] = 'Basic '.base64_encode($this->user.':'.$this->pass);
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}
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if($this->proxy_user) {
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$headers['Proxy-Authorization'] = 'Basic '.base64_encode($this->proxy_user.':'.$this->proxy_pass);
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}
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// already connected?
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$connectionId = $this->uniqueConnectionId($server,$port);
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$this->debug('connection pool', self::$connections);
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$socket = null;
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if (isset(self::$connections[$connectionId])) {
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$this->debug('reusing connection', $connectionId);
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$socket = self::$connections[$connectionId];
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}
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if (is_null($socket) || feof($socket)) {
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$this->debug('opening connection', $connectionId);
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// open socket
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$socket = @fsockopen($server,$port,$errno, $errstr, $this->timeout);
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if (!$socket){
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$this->status = -100;
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$this->error = "Could not connect to $server:$port\n$errstr ($errno)";
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return false;
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}
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// try establish a CONNECT tunnel for SSL
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try {
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if($this->ssltunnel($socket, $request_url)){
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// no keep alive for tunnels
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$this->keep_alive = false;
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// tunnel is authed already
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if(isset($headers['Proxy-Authentication'])) unset($headers['Proxy-Authentication']);
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}
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} catch (HTTPClientException $e) {
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$this->status = $e->getCode();
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$this->error = $e->getMessage();
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fclose($socket);
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return false;
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}
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// keep alive?
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if ($this->keep_alive) {
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self::$connections[$connectionId] = $socket;
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} else {
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unset(self::$connections[$connectionId]);
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}
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}
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if ($this->keep_alive && !$this->useProxyForUrl($request_url)) {
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// RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive
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// connection token to a proxy server. We still do keep the connection the
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// proxy alive (well except for CONNECT tunnels)
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$headers['Connection'] = 'Keep-Alive';
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} else {
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$headers['Connection'] = 'Close';
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}
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try {
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//set non-blocking
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stream_set_blocking($socket, 0);
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// build request
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$request = "$method $request_url HTTP/".$this->http.HTTP_NL;
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$request .= $this->buildHeaders($headers);
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$request .= $this->getCookies();
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$request .= HTTP_NL;
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$request .= $data;
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$this->debug('request',$request);
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$this->sendData($socket, $request, 'request');
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// read headers from socket
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$r_headers = '';
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do{
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$r_line = $this->readLine($socket, 'headers');
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$r_headers .= $r_line;
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}while($r_line != "\r\n" && $r_line != "\n");
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$this->debug('response headers',$r_headers);
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// check if expected body size exceeds allowance
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if($this->max_bodysize && preg_match('/\r?\nContent-Length:\s*(\d+)\r?\n/i',$r_headers,$match)){
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if($match[1] > $this->max_bodysize){
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if ($this->max_bodysize_abort)
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throw new HTTPClientException('Reported content length exceeds allowed response size');
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else
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$this->error = 'Reported content length exceeds allowed response size';
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}
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}
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// get Status
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if (!preg_match('/^HTTP\/(\d\.\d)\s*(\d+).*?\n/s', $r_headers, $m))
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throw new HTTPClientException('Server returned bad answer '.$r_headers);
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$this->status = $m[2];
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// handle headers and cookies
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$this->resp_headers = $this->parseHeaders($r_headers);
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if(isset($this->resp_headers['set-cookie'])){
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foreach ((array) $this->resp_headers['set-cookie'] as $cookie){
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list($cookie) = explode(';',$cookie,2);
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list($key,$val) = explode('=',$cookie,2);
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$key = trim($key);
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if($val == 'deleted'){
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if(isset($this->cookies[$key])){
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unset($this->cookies[$key]);
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}
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}elseif($key){
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$this->cookies[$key] = $val;
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}
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}
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}
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$this->debug('Object headers',$this->resp_headers);
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// check server status code to follow redirect
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if($this->status == 301 || $this->status == 302 ){
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if (empty($this->resp_headers['location'])){
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throw new HTTPClientException('Redirect but no Location Header found');
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}elseif($this->redirect_count == $this->max_redirect){
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throw new HTTPClientException('Maximum number of redirects exceeded');
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}else{
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// close the connection because we don't handle content retrieval here
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// that's the easiest way to clean up the connection
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fclose($socket);
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unset(self::$connections[$connectionId]);
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$this->redirect_count++;
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$this->referer = $url;
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// handle non-RFC-compliant relative redirects
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if (!preg_match('/^http/i', $this->resp_headers['location'])){
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if($this->resp_headers['location'][0] != '/'){
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$this->resp_headers['location'] = $uri['scheme'].'://'.$uri['host'].':'.$uri['port'].
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dirname($uri['path']).'/'.$this->resp_headers['location'];
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}else{
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$this->resp_headers['location'] = $uri['scheme'].'://'.$uri['host'].':'.$uri['port'].
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$this->resp_headers['location'];
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}
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}
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// perform redirected request, always via GET (required by RFC)
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return $this->sendRequest($this->resp_headers['location'],array(),'GET');
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}
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}
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// check if headers are as expected
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if($this->header_regexp && !preg_match($this->header_regexp,$r_headers))
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throw new HTTPClientException('The received headers did not match the given regexp');
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//read body (with chunked encoding if needed)
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$r_body = '';
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if(
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(
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isset($this->resp_headers['transfer-encoding']) &&
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$this->resp_headers['transfer-encoding'] == 'chunked'
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) || (
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isset($this->resp_headers['transfer-coding']) &&
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$this->resp_headers['transfer-coding'] == 'chunked'
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)
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||||
) {
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$abort = false;
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do {
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$chunk_size = '';
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while (preg_match('/^[a-zA-Z0-9]?$/',$byte=$this->readData($socket,1,'chunk'))){
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// read chunksize until \r
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$chunk_size .= $byte;
|
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if (strlen($chunk_size) > 128) // set an abritrary limit on the size of chunks
|
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throw new HTTPClientException('Allowed response size exceeded');
|
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}
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$this->readLine($socket, 'chunk'); // readtrailing \n
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$chunk_size = hexdec($chunk_size);
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if($this->max_bodysize && $chunk_size+strlen($r_body) > $this->max_bodysize){
|
||||
if ($this->max_bodysize_abort)
|
||||
throw new HTTPClientException('Allowed response size exceeded');
|
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$this->error = 'Allowed response size exceeded';
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||||
$chunk_size = $this->max_bodysize - strlen($r_body);
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$abort = true;
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}
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if ($chunk_size > 0) {
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$r_body .= $this->readData($socket, $chunk_size, 'chunk');
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$this->readData($socket, 2, 'chunk'); // read trailing \r\n
|
||||
}
|
||||
} while ($chunk_size && !$abort);
|
||||
}elseif(isset($this->resp_headers['content-length']) && !isset($this->resp_headers['transfer-encoding'])){
|
||||
/* RFC 2616
|
||||
* If a message is received with both a Transfer-Encoding header field and a Content-Length
|
||||
* header field, the latter MUST be ignored.
|
||||
*/
|
||||
|
||||
// read up to the content-length or max_bodysize
|
||||
// for keep alive we need to read the whole message to clean up the socket for the next read
|
||||
if(
|
||||
!$this->keep_alive &&
|
||||
$this->max_bodysize &&
|
||||
$this->max_bodysize < $this->resp_headers['content-length']
|
||||
) {
|
||||
$length = $this->max_bodysize + 1;
|
||||
}else{
|
||||
$length = $this->resp_headers['content-length'];
|
||||
}
|
||||
|
||||
$r_body = $this->readData($socket, $length, 'response (content-length limited)', true);
|
||||
}elseif( !isset($this->resp_headers['transfer-encoding']) && $this->max_bodysize && !$this->keep_alive){
|
||||
$r_body = $this->readData($socket, $this->max_bodysize+1, 'response (content-length limited)', true);
|
||||
} elseif ((int)$this->status === 204) {
|
||||
// request has no content
|
||||
} else{
|
||||
// read entire socket
|
||||
while (!feof($socket)) {
|
||||
$r_body .= $this->readData($socket, 4096, 'response (unlimited)', true);
|
||||
}
|
||||
}
|
||||
|
||||
// recheck body size, we might have read max_bodysize+1 or even the whole body, so we abort late here
|
||||
if($this->max_bodysize){
|
||||
if(strlen($r_body) > $this->max_bodysize){
|
||||
if ($this->max_bodysize_abort) {
|
||||
throw new HTTPClientException('Allowed response size exceeded');
|
||||
} else {
|
||||
$this->error = 'Allowed response size exceeded';
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} catch (HTTPClientException $err) {
|
||||
$this->error = $err->getMessage();
|
||||
if ($err->getCode())
|
||||
$this->status = $err->getCode();
|
||||
unset(self::$connections[$connectionId]);
|
||||
fclose($socket);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!$this->keep_alive ||
|
||||
(isset($this->resp_headers['connection']) && $this->resp_headers['connection'] == 'Close')) {
|
||||
// close socket
|
||||
fclose($socket);
|
||||
unset(self::$connections[$connectionId]);
|
||||
}
|
||||
|
||||
// decode gzip if needed
|
||||
if(isset($this->resp_headers['content-encoding']) &&
|
||||
$this->resp_headers['content-encoding'] == 'gzip' &&
|
||||
strlen($r_body) > 10 && substr($r_body,0,3)=="\x1f\x8b\x08"){
|
||||
$this->resp_body = @gzinflate(substr($r_body, 10));
|
||||
if($this->resp_body === false){
|
||||
$this->error = 'Failed to decompress gzip encoded content';
|
||||
$this->resp_body = $r_body;
|
||||
}
|
||||
}else{
|
||||
$this->resp_body = $r_body;
|
||||
}
|
||||
|
||||
$this->debug('response body',$this->resp_body);
|
||||
$this->redirect_count = 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Tries to establish a CONNECT tunnel via Proxy
|
||||
*
|
||||
* Protocol, Servername and Port will be stripped from the request URL when a successful CONNECT happened
|
||||
*
|
||||
* @param resource &$socket
|
||||
* @param string &$requesturl
|
||||
* @throws HTTPClientException when a tunnel is needed but could not be established
|
||||
* @return bool true if a tunnel was established
|
||||
*/
|
||||
protected function ssltunnel(&$socket, &$requesturl){
|
||||
if(!$this->useProxyForUrl($requesturl)) return false;
|
||||
$requestinfo = parse_url($requesturl);
|
||||
if($requestinfo['scheme'] != 'https') return false;
|
||||
if(!$requestinfo['port']) $requestinfo['port'] = 443;
|
||||
|
||||
// build request
|
||||
$request = "CONNECT {$requestinfo['host']}:{$requestinfo['port']} HTTP/1.0".HTTP_NL;
|
||||
$request .= "Host: {$requestinfo['host']}".HTTP_NL;
|
||||
if($this->proxy_user) {
|
||||
$request .= 'Proxy-Authorization: Basic '.base64_encode($this->proxy_user.':'.$this->proxy_pass).HTTP_NL;
|
||||
}
|
||||
$request .= HTTP_NL;
|
||||
|
||||
$this->debug('SSL Tunnel CONNECT',$request);
|
||||
$this->sendData($socket, $request, 'SSL Tunnel CONNECT');
|
||||
|
||||
// read headers from socket
|
||||
$r_headers = '';
|
||||
do{
|
||||
$r_line = $this->readLine($socket, 'headers');
|
||||
$r_headers .= $r_line;
|
||||
}while($r_line != "\r\n" && $r_line != "\n");
|
||||
|
||||
$this->debug('SSL Tunnel Response',$r_headers);
|
||||
if(preg_match('/^HTTP\/1\.[01] 200/i',$r_headers)){
|
||||
// set correct peer name for verification (enabled since PHP 5.6)
|
||||
stream_context_set_option($socket, 'ssl', 'peer_name', $requestinfo['host']);
|
||||
|
||||
// SSLv3 is broken, use only TLS connections.
|
||||
// @link https://bugs.php.net/69195
|
||||
if (PHP_VERSION_ID >= 50600 && PHP_VERSION_ID <= 50606) {
|
||||
$cryptoMethod = STREAM_CRYPTO_METHOD_TLS_CLIENT;
|
||||
} else {
|
||||
// actually means neither SSLv2 nor SSLv3
|
||||
$cryptoMethod = STREAM_CRYPTO_METHOD_SSLv23_CLIENT;
|
||||
}
|
||||
|
||||
if (@stream_socket_enable_crypto($socket, true, $cryptoMethod)) {
|
||||
$requesturl = $requestinfo['path'].
|
||||
(!empty($requestinfo['query'])?'?'.$requestinfo['query']:'');
|
||||
return true;
|
||||
}
|
||||
|
||||
throw new HTTPClientException(
|
||||
'Failed to set up crypto for secure connection to '.$requestinfo['host'], -151
|
||||
);
|
||||
}
|
||||
|
||||
throw new HTTPClientException('Failed to establish secure proxy connection', -150);
|
||||
}
|
||||
|
||||
/**
|
||||
* Safely write data to a socket
|
||||
*
|
||||
* @param resource $socket An open socket handle
|
||||
* @param string $data The data to write
|
||||
* @param string $message Description of what is being read
|
||||
* @throws HTTPClientException
|
||||
*
|
||||
* @author Tom N Harris <tnharris@whoopdedo.org>
|
||||
*/
|
||||
protected function sendData($socket, $data, $message) {
|
||||
// send request
|
||||
$towrite = strlen($data);
|
||||
$written = 0;
|
||||
while($written < $towrite){
|
||||
// check timeout
|
||||
$time_used = $this->time() - $this->start;
|
||||
if($time_used > $this->timeout)
|
||||
throw new HTTPClientException(sprintf('Timeout while sending %s (%.3fs)',$message, $time_used), -100);
|
||||
if(feof($socket))
|
||||
throw new HTTPClientException("Socket disconnected while writing $message");
|
||||
|
||||
// select parameters
|
||||
$sel_r = null;
|
||||
$sel_w = array($socket);
|
||||
$sel_e = null;
|
||||
// wait for stream ready or timeout (1sec)
|
||||
if(@stream_select($sel_r,$sel_w,$sel_e,1) === false){
|
||||
usleep(1000);
|
||||
continue;
|
||||
}
|
||||
|
||||
// write to stream
|
||||
$nbytes = fwrite($socket, substr($data,$written,4096));
|
||||
if($nbytes === false)
|
||||
throw new HTTPClientException("Failed writing to socket while sending $message", -100);
|
||||
$written += $nbytes;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Safely read data from a socket
|
||||
*
|
||||
* Reads up to a given number of bytes or throws an exception if the
|
||||
* response times out or ends prematurely.
|
||||
*
|
||||
* @param resource $socket An open socket handle in non-blocking mode
|
||||
* @param int $nbytes Number of bytes to read
|
||||
* @param string $message Description of what is being read
|
||||
* @param bool $ignore_eof End-of-file is not an error if this is set
|
||||
* @throws HTTPClientException
|
||||
* @return string
|
||||
*
|
||||
* @author Tom N Harris <tnharris@whoopdedo.org>
|
||||
*/
|
||||
protected function readData($socket, $nbytes, $message, $ignore_eof = false) {
|
||||
$r_data = '';
|
||||
// Does not return immediately so timeout and eof can be checked
|
||||
if ($nbytes < 0) $nbytes = 0;
|
||||
$to_read = $nbytes;
|
||||
do {
|
||||
$time_used = $this->time() - $this->start;
|
||||
if ($time_used > $this->timeout)
|
||||
throw new HTTPClientException(
|
||||
sprintf('Timeout while reading %s after %d bytes (%.3fs)', $message,
|
||||
strlen($r_data), $time_used), -100);
|
||||
if(feof($socket)) {
|
||||
if(!$ignore_eof)
|
||||
throw new HTTPClientException("Premature End of File (socket) while reading $message");
|
||||
break;
|
||||
}
|
||||
|
||||
if ($to_read > 0) {
|
||||
// select parameters
|
||||
$sel_r = array($socket);
|
||||
$sel_w = null;
|
||||
$sel_e = null;
|
||||
// wait for stream ready or timeout (1sec)
|
||||
if(@stream_select($sel_r,$sel_w,$sel_e,1) === false){
|
||||
usleep(1000);
|
||||
continue;
|
||||
}
|
||||
|
||||
$bytes = fread($socket, $to_read);
|
||||
if($bytes === false)
|
||||
throw new HTTPClientException("Failed reading from socket while reading $message", -100);
|
||||
$r_data .= $bytes;
|
||||
$to_read -= strlen($bytes);
|
||||
}
|
||||
} while ($to_read > 0 && strlen($r_data) < $nbytes);
|
||||
return $r_data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Safely read a \n-terminated line from a socket
|
||||
*
|
||||
* Always returns a complete line, including the terminating \n.
|
||||
*
|
||||
* @param resource $socket An open socket handle in non-blocking mode
|
||||
* @param string $message Description of what is being read
|
||||
* @throws HTTPClientException
|
||||
* @return string
|
||||
*
|
||||
* @author Tom N Harris <tnharris@whoopdedo.org>
|
||||
*/
|
||||
protected function readLine($socket, $message) {
|
||||
$r_data = '';
|
||||
do {
|
||||
$time_used = $this->time() - $this->start;
|
||||
if ($time_used > $this->timeout)
|
||||
throw new HTTPClientException(
|
||||
sprintf('Timeout while reading %s (%.3fs) >%s<', $message, $time_used, $r_data),
|
||||
-100);
|
||||
if(feof($socket))
|
||||
throw new HTTPClientException("Premature End of File (socket) while reading $message");
|
||||
|
||||
// select parameters
|
||||
$sel_r = array($socket);
|
||||
$sel_w = null;
|
||||
$sel_e = null;
|
||||
// wait for stream ready or timeout (1sec)
|
||||
if(@stream_select($sel_r,$sel_w,$sel_e,1) === false){
|
||||
usleep(1000);
|
||||
continue;
|
||||
}
|
||||
|
||||
$r_data = fgets($socket, 1024);
|
||||
} while (!preg_match('/\n$/',$r_data));
|
||||
return $r_data;
|
||||
}
|
||||
|
||||
/**
|
||||
* print debug info
|
||||
*
|
||||
* Uses _debug_text or _debug_html depending on the SAPI name
|
||||
*
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @param string $info
|
||||
* @param mixed $var
|
||||
*/
|
||||
protected function debug($info,$var=null){
|
||||
if(!$this->debug) return;
|
||||
if(php_sapi_name() == 'cli'){
|
||||
$this->debugText($info, $var);
|
||||
}else{
|
||||
$this->debugHtml($info, $var);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* print debug info as HTML
|
||||
*
|
||||
* @param string $info
|
||||
* @param mixed $var
|
||||
*/
|
||||
protected function debugHtml($info, $var=null){
|
||||
print '<b>'.$info.'</b> '.($this->time() - $this->start).'s<br />';
|
||||
if(!is_null($var)){
|
||||
ob_start();
|
||||
print_r($var);
|
||||
$content = htmlspecialchars(ob_get_contents());
|
||||
ob_end_clean();
|
||||
print '<pre>'.$content.'</pre>';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* prints debug info as plain text
|
||||
*
|
||||
* @param string $info
|
||||
* @param mixed $var
|
||||
*/
|
||||
protected function debugText($info, $var=null){
|
||||
print '*'.$info.'* '.($this->time() - $this->start)."s\n";
|
||||
if(!is_null($var)) print_r($var);
|
||||
print "\n-----------------------------------------------\n";
|
||||
}
|
||||
|
||||
/**
|
||||
* Return current timestamp in microsecond resolution
|
||||
*
|
||||
* @return float
|
||||
*/
|
||||
protected static function time(){
|
||||
list($usec, $sec) = explode(" ", microtime());
|
||||
return ((float)$usec + (float)$sec);
|
||||
}
|
||||
|
||||
/**
|
||||
* convert given header string to Header array
|
||||
*
|
||||
* All Keys are lowercased.
|
||||
*
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @param string $string
|
||||
* @return array
|
||||
*/
|
||||
protected function parseHeaders($string){
|
||||
$headers = array();
|
||||
$lines = explode("\n",$string);
|
||||
array_shift($lines); //skip first line (status)
|
||||
foreach($lines as $line){
|
||||
@list($key, $val) = explode(':',$line,2);
|
||||
$key = trim($key);
|
||||
$val = trim($val);
|
||||
$key = strtolower($key);
|
||||
if(!$key) continue;
|
||||
if(isset($headers[$key])){
|
||||
if(is_array($headers[$key])){
|
||||
$headers[$key][] = $val;
|
||||
}else{
|
||||
$headers[$key] = array($headers[$key],$val);
|
||||
}
|
||||
}else{
|
||||
$headers[$key] = $val;
|
||||
}
|
||||
}
|
||||
return $headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* convert given header array to header string
|
||||
*
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @param array $headers
|
||||
* @return string
|
||||
*/
|
||||
protected function buildHeaders($headers){
|
||||
$string = '';
|
||||
foreach($headers as $key => $value){
|
||||
if($value === '') continue;
|
||||
$string .= $key.': '.$value.HTTP_NL;
|
||||
}
|
||||
return $string;
|
||||
}
|
||||
|
||||
/**
|
||||
* get cookies as http header string
|
||||
*
|
||||
* @author Andreas Goetz <cpuidle@gmx.de>
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
protected function getCookies(){
|
||||
$headers = '';
|
||||
foreach ($this->cookies as $key => $val){
|
||||
$headers .= "$key=$val; ";
|
||||
}
|
||||
$headers = substr($headers, 0, -2);
|
||||
if ($headers) $headers = "Cookie: $headers".HTTP_NL;
|
||||
return $headers;
|
||||
}
|
||||
|
||||
/**
|
||||
* Encode data for posting
|
||||
*
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @param array $data
|
||||
* @return string
|
||||
*/
|
||||
protected function postEncode($data){
|
||||
return http_build_query($data,'','&');
|
||||
}
|
||||
|
||||
/**
|
||||
* Encode data for posting using multipart encoding
|
||||
*
|
||||
* @fixme use of urlencode might be wrong here
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @param array $data
|
||||
* @return string
|
||||
*/
|
||||
protected function postMultipartEncode($data){
|
||||
$boundary = '--'.$this->boundary;
|
||||
$out = '';
|
||||
foreach($data as $key => $val){
|
||||
$out .= $boundary.HTTP_NL;
|
||||
if(!is_array($val)){
|
||||
$out .= 'Content-Disposition: form-data; name="'.urlencode($key).'"'.HTTP_NL;
|
||||
$out .= HTTP_NL; // end of headers
|
||||
$out .= $val;
|
||||
$out .= HTTP_NL;
|
||||
}else{
|
||||
$out .= 'Content-Disposition: form-data; name="'.urlencode($key).'"';
|
||||
if($val['filename']) $out .= '; filename="'.urlencode($val['filename']).'"';
|
||||
$out .= HTTP_NL;
|
||||
if($val['mimetype']) $out .= 'Content-Type: '.$val['mimetype'].HTTP_NL;
|
||||
$out .= HTTP_NL; // end of headers
|
||||
$out .= $val['body'];
|
||||
$out .= HTTP_NL;
|
||||
}
|
||||
}
|
||||
$out .= "$boundary--".HTTP_NL;
|
||||
return $out;
|
||||
}
|
||||
|
||||
/**
|
||||
* Generates a unique identifier for a connection.
|
||||
*
|
||||
* @param string $server
|
||||
* @param string $port
|
||||
* @return string unique identifier
|
||||
*/
|
||||
protected function uniqueConnectionId($server, $port) {
|
||||
return "$server:$port";
|
||||
}
|
||||
|
||||
/**
|
||||
* Should the Proxy be used for the given URL?
|
||||
*
|
||||
* Checks the exceptions
|
||||
*
|
||||
* @param string $url
|
||||
* @return bool
|
||||
*/
|
||||
protected function useProxyForUrl($url) {
|
||||
return $this->proxy_host && (!$this->proxy_except || !preg_match('/' . $this->proxy_except . '/i', $url));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user