【php开源代码栏目提醒】:本文主要为网学会员提供class.HttpClient.php,希望对需要class.HttpClient.php网友有所帮助,学习一下!
<?php
/*HttpClient类*/
class HttpClient {
// Request vars
var $host;
var $port;
var $path;
var $method;
var $postdata = '';
var $cookies = array();
var $referer;
var $accept = 'text/xml,application/
xml,application/xhtml+xml,text/html,text/plain,image/png,image/jpeg,image/gif,*/*';
var $accept_encoding = 'gzip';
var $accept_language = 'en-us';
var $user_agent = 'Incutio HttpClient v0.9';
// Options
var $timeout = 20;
var $use_gzip = true;
var $persist_cookies = true; // If true, received cookies are placed in the $this->cookies array ready for the next request
// Note: This currently ignores the cookie path (and time) completely. Time is not important,
// but path could possibly lead to security problems.
var $persist_referers = true; // For each request, sends path of last request as referer
var $debug = false;
var $handle_redirects = true; // Auaomtically redirect if Location or URI header is found
var $max_redirects = 5;
var $headers_only = false; // If true, stops receiving once headers have been read.
// Basic authorization variables
var $username;
var $pass
word;
// Response vars
var $status;
var $headers = array();
var $content = '';
var $errormsg;
// Tracker variables
var $redirect_count = 0;
var $cookie_host = '';
function HttpClient($host, $port=80) {
$this->host = $host;
$this->port = $port;
}
function get($path, $data = false) {
$this->path = $path;
$this->method = 'GET';
if ($data) {
$this->path .= '?'.$this->buildQueryString($data);
}
return $this->doRequest();
}
function post($path, $data) {
$this->path = $path;
$this->method = 'POST';
$this->postdata = $this->buildQueryString($data);
return $this->doRequest();
}
function buildQueryString($data) {
$querystring = '';
if (is_array($data)) {
// Change data in to postable data
foreach ($data as $key => $val) {
if (is_array($val)) {
foreach ($val as $val2) {
$querystring .= urlencode($key).'='.urlencode($val2).'&';
}
} else {
$querystring .= urlencode($key).'='.urlencode($val).'&';
}
}
$querystring = substr($querystring, 0, -1); // Eliminate unnecessary &
} else {
$querystring = $data;
}
return $querystring;
}
function doRequest() {
// Performs the actual HTTP request, returning true or false depending on outcome
if (!$fp = @fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout)) {
// Set error message
switch($errno) {
case -3:
$this->errormsg = 'Socket creation failed (-3)';
case -4:
$this->errormsg = 'DNS lookup failure (-4)';
case -5:
$this->errormsg = 'Connection refused or timed out (-5)';
default:
$this->errormsg = 'Connection failed ('.$errno.')';
$this->errormsg .= ' '.$errstr;
$this->debug($this->errormsg);
}
return false;
}
socket_set_timeout($fp, $this->timeout);
$request = $this->buildRequest();
$this->debug('Request', $request);
fwrite($fp, $request);
// Reset all the variables that should not persist between requests
$this->headers = array();
$this->content = '';
$this->errormsg = '';
// Set a couple of flags
$inHeaders = true;
$atStart = true;
// Now start reading back the response
while (!feof($fp)) {
$line = fgets($fp, 4096);
if ($atStart) {
// Deal with first line of returned data
$atStart = false;
if (!preg_match('/HTTP\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/', $line, $m)) {
$this->errormsg = "Status code line invalid: ".htmlentities($line);
$this->debug($this->errormsg);
return false;
}
$http_version = $m[1]; // not used
$this->status = $m[2];
$status_string = $m[3]; // not used
$this->debug(trim($line));
continue;
}
if ($inHeaders) {
if (trim($line) == '') {
$inHeaders = false;
$this->debug('Received Headers', $this->headers);
if ($this->headers_only) {
break; // Skip the rest of the input
}
continue;
}
if (!preg_match('/([^:]+):\\s*(.*)/', $line, $m)) {
// Skip to the next header
continue;
}
$key = strtolower(trim($m[1]));
$val = trim($m[2]);
// Deal with the possibility of multiple headers of same name
if (isset($this->headers[$key])) {
if (is_array($this->headers[$key])) {
$this->headers[$key][] = $val;
} else {
$this->headers[$key] = array($this->headers[$key], $val);
}
} else {
$this->headers[$key] = $val;
}
continue;
}
// We're not in the headers, so append the line to the contents
$this->content .= $line;
}
fclose($fp);
// If data is compressed, uncompress it
if (isset($this->headers['content-encoding']) && $this->headers[