PHP HTTP->POST
<?php
/* Version 0.9, 6th April 2003 - Simon Willison ( http://simon.incutio.com/ )
Manual: http://scripts.incutio.com/httpclient/
*/
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 = 'application/json';
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 $password;
// Response vars
var $status;
var $headers = array();
var $content = '';
var $errormsg;
// Tracker variables
var $redirect_count = 0;
var $cookie_host = '';
function __construct($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['content-encoding'] == 'gzip') {
$this->debug('Content is gzip encoded, unzipping it');
$this->content = substr($this->content, 10); // See http://www.php.net/manual/en/function.gzencode.php
$this->content = gzinflate($this->content);
}
// If $persist_cookies, deal with any cookies
if ($this->persist_cookies && isset($this->headers['set-cookie']) && $this->host == $this->cookie_host) {
$cookies = $this->headers['set-cookie'];
if (!is_array($cookies)) {
$cookies = array($cookies);
}
foreach ($cookies as $cookie) {
if (preg_match('/([^=]+)=([^;]+);/', $cookie, $m)) {
$this->cookies[$m[1]] = $m[2];
}
}
// Record domain of cookies for security reasons
$this->cookie_host = $this->host;
}
// If $persist_referers, set the referer ready for the next request
if ($this->persist_referers) {
$this->debug('Persisting referer: '.$this->getRequestURL());
$this->referer = $this->getRequestURL();
}
// Finally, if handle_redirects and a redirect is sent, do that
if ($this->handle_redirects) {
if (++$this->redirect_count >= $this->max_redirects) {
$this->errormsg = 'Number of redirects exceeded maximum ('.$this->max_redirects.')';
$this->debug($this->errormsg);
$this->redirect_count = 0;
return false;
}
$location = isset($this->headers['location']) ? $this->headers['location'] : '';
$uri = isset($this->headers['uri']) ? $this->headers['uri'] : '';
if ($location || $uri) {
$url = parse_url($location.$uri);
// This will FAIL if redirect is to a different site
return $this->get($url['path']);
}
}
return true;
}
function buildRequest() {
$headers = array();
$headers[] = "{$this->method} {$this->path} HTTP/1.0"; // Using 1.1 leads to all manner of problems, such as "chunked" encoding
$headers[] = "Host: {$this->host}";
$headers[] = "User-Agent: {$this->user_agent}";
$headers[] = "Accept: {$this->accept}";
if ($this->use_gzip) {
$headers[] = "Accept-encoding: {$this->accept_encoding}";
}
$headers[] = "Accept-language: {$this->accept_language}";
if ($this->referer) {
$headers[] = "Referer: {$this->referer}";
}
// Cookies
if ($this->cookies) {
$cookie = 'Cookie: ';
foreach ($this->cookies as $key => $value) {
$cookie .= "$key=$value; ";
}
$headers[] = $cookie;
}
// Basic authentication
if ($this->username && $this->password) {
$headers[] = 'Authorization: Basic '.base64_encode($this->username.':'.$this->password);
}
// If this is a POST, set the content type and length
if ($this->postdata) {
$headers[] = 'Content-Type: application/json'; //$headers[] = 'Content-Type: application/x-www-form-urlencoded';
$headers[] = 'Content-Length: '.strlen($this->postdata);
}
//var_dump($headers);
$request = implode("\r\n", $headers)."\r\n\r\n".$this->postdata;
return $request;
}
function getStatus() {
return $this->status;
}
function getContent() {
return $this->content;
}
function getHeaders() {
return $this->headers;
}
function getHeader($header) {
$header = strtolower($header);
if (isset($this->headers[$header])) {
return $this->headers[$header];
} else {
return false;
}
}
function getError() {
return $this->errormsg;
}
function getCookies() {
return $this->cookies;
}
function getRequestURL() {
$url = 'http://'.$this->host;
if ($this->port != 80) {
$url .= ':'.$this->port;
}
$url .= $this->path;
return $url;
}
// Setter methods
function setUserAgent($string) {
$this->user_agent = $string;
}
function setAuthorization($username, $password) {
$this->username = $username;
$this->password = $password;
}
function setCookies($array) {
$this->cookies = $array;
}
// Option setting methods
function useGzip($boolean) {
$this->use_gzip = $boolean;
}
function setPersistCookies($boolean) {
$this->persist_cookies = $boolean;
}
function setPersistReferers($boolean) {
$this->persist_referers = $boolean;
}
function setHandleRedirects($boolean) {
$this->handle_redirects = $boolean;
}
function setMaxRedirects($num) {
$this->max_redirects = $num;
}
function setHeadersOnly($boolean) {
$this->headers_only = $boolean;
}
function setDebug($boolean) {
$this->debug = $boolean;
}
// "Quick" static methods
public static function quickGet($url, $user, $passwd) {
$bits = parse_url($url);
$host = $bits['host'];
$port = isset($bits['port']) ? $bits['port'] : 80;
$path = isset($bits['path']) ? $bits['path'] : '/';
if (isset($bits['query'])) {
$path .= '?'.$bits['query'];
}
$client = new HttpClient($host, $port);
if ($user && $passwd) {
$client->setAuthorization($user, $passwd);
}
if (!$client->get($path)) {
return false;
} else {
return $client->getContent();
}
}
public static function quickPost($url, $data, $user, $passwd) {
$bits = parse_url($url);
$host = $bits['host'];
$port = isset($bits['port']) ? $bits['port'] : 80;
$path = isset($bits['path']) ? $bits['path'] : '/';
$client = new HttpClient($host, $port);
if ($user && $passwd) {
$client->setAuthorization($user, $passwd);
}
if (!$client->post($path, $data)) {
return false;
} else {
return $client->getContent();
}
}
function debug($msg, $object = false) {
if ($this->debug) {
print '<div style="border: 1px solid red; padding: 0.5em; margin: 0.5em;"><strong>HttpClient Debug:</strong> '.$msg;
if ($object) {
ob_start();
print_r($object);
$content = htmlentities(ob_get_contents());
ob_end_clean();
print '<pre>'.$content.'</pre>';
}
print '</div>';
}
}
}
/*
2000 请求成功
4001 参数不合法，缺少必要字段或数值不符合要求
4011 帐号不存在
4012 该帐号被停用
4013 密码不正确
4014 帐号数据格式不合法
4015 缺少HTTP Basic身份验证信息
4016 未知验证信息
4017 在身份验证时发生错误
5001 服务器在执行请求时发生异常
20011 参数不允许为空
20012 请求不允许（如业务逻辑限制，用户名必须是唯一的）
90101 车辆不允许删除，车辆已绑定设备
90201 设备不允许删除，设备已绑定车队
90301 角色不允许删除，角色已被使用
90401 区域不允许删除，区域已设置区域参数
90402 区域不允许删除，区域已设置为指定停车区域
90501 分组不允许删除，分组已被车队使用
90502 分组不允许删除，分组已被设备使用
90503 分组不允许删除，分组下有子分组
90601 车队不允许删除，车队已绑定设备
*/
/* ====GBK=====
function escape($str) {
$sublen = strlen ( $str );
$retrunString = "";
for($i = 0; $i < $sublen; $i ++) {
if (ord ( $str [$i] ) >= 127) {
$tmpString = bin2hex ( iconv ( "GBK", "ucs-2", substr ( $str, $i, 2 ) ) );
$retrunString .= "%u" . $tmpString;
$i ++;
} else {
$retrunString .= "%" . dechex ( ord ( $str [$i] ) );
}
}
return $retrunString;
}
function unescape($str) {
$str = rawurldecode ( $str );
preg_match_all ( "/%u.{4}|&#x.{4};|&#\d+;|.+/U", $str, $r );
$ar = $r [0];
foreach ( $ar as $k => $v ) {
if (substr ( $v, 0, 2 ) == "%u")
$ar [$k] = iconv ( "UCS-2", "GBK", pack ( "H4", substr ( $v, - 4 ) ) );
elseif (substr ( $v, 0, 3 ) == "&#x")
$ar [$k] = iconv ( "UCS-2", "GBK", pack ( "H4", substr ( $v, 3, - 1 ) ) );
elseif (substr ( $v, 0, 2 ) == "&#") {
$ar [$k] = iconv ( "UCS-2", "GBK", pack ( "n", substr ( $v, 2, - 1 ) ) );
}
}
return join ( "", $ar );
}
*/
//====UTF8====
function escape($str) {
preg_match_all ( "/[\xc2-\xdf][\x80-\xbf]+|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}|[\x01-\x7f]+/e", $str, $r );
//匹配utf-8字符，
$str = $r [0];
$l = count ( $str );
for($i = 0; $i < $l; $i ++) {
$value = ord ( $str [$i] [0] );
if ($value < 223) {
$str [$i] = rawurlencode ( utf8_decode ( $str [$i] ) );
//先将utf8编码转换为ISO-8859-1编码的单字节字符，urlencode单字节字符.
//utf8_decode()的作用相当于iconv("UTF-8","CP1252",$v)。
} else {
$str [$i] = "%u" . strtoupper ( bin2hex ( iconv ( "UTF-8", "UCS-2", $str [$i] ) ) );
}
}
return join ( "", $str );
}
function unescape($str) {
$ret = '';
$len = strlen ( $str );
for($i = 0; $i < $len; $i ++) {
if ($str [$i] == '%' && $str [$i + 1] == 'u') {
$val = hexdec ( substr ( $str, $i + 2, 4 ) );
if ($val < 0x7f)
$ret .= chr ( $val );
else if ($val < 0x800)
$ret .= chr ( 0xc0 | ($val >> 6) ) . chr ( 0x80 | ($val & 0x3f) );
else
$ret .= chr ( 0xe0 | ($val >> 12) ) . chr ( 0x80 | (($val >> 6) & 0x3f) ) . chr ( 0x80 | ($val & 0x3f) );
$i += 5;
} else if ($str [$i] == '%') {
$ret .= urldecode ( substr ( $str, $i, 3 ) );
$i += 2;
} else
$ret .= $str [$i];
}
return $ret;
}
$url = $_POST['url'];
$params = $_POST['param'];
$user = $_POST['user'];
$passwd = $_POST['passwd'];
$pageContents = HttpClient::quickPost($url, $params, $user, $passwd);
setcookie('ckPost', escape($pageContents), time()+10); //有效期10秒
echo "<script>history.go(-1);</script>";
?>
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