DiscuzX/upload/uc_server/model/misc.php

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2016-12-15 08:20:54 -05:00
<?php
/*
[UCenter] (C)2001-2099 Comsenz Inc.
This is NOT a freeware, use is subject to license terms
$Id: misc.php 1127 2011-12-14 04:24:58Z svn_project_zhangjie $
*/
!defined('IN_UC') && exit('Access Denied');
define('UC_ARRAY_SEP_1', 'UC_ARRAY_SEP_1');
define('UC_ARRAY_SEP_2', 'UC_ARRAY_SEP_2');
class miscmodel {
var $db;
var $base;
function __construct(&$base) {
$this->miscmodel($base);
}
function miscmodel(&$base) {
$this->base = $base;
$this->db = $base->db;
}
function get_host_by_url($url) {
$m = parse_url($url);
if(!$m['host']) {
return -1;
}
if(!preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/", $m['host'])) {
$ip = @gethostbyname($m['host']);
if(!$ip || $ip == $m['host']) {
return -2;
}
return $ip;
} else {
return $m['host'];
}
}
function check_url($url) {
return preg_match("/(https?){1}:\/\/|www\.([^\[\"']+?)?/i", $url);
}
function check_ip($url) {
return preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/", $url);
}
function dfopen2($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype = 'URLENCODE') {
$__times__ = isset($_GET['__times__']) ? intval($_GET['__times__']) + 1 : 1;
if($__times__ > 2) {
return '';
}
$url .= (strpos($url, '?') === FALSE ? '?' : '&')."__times__=$__times__";
return $this->dfopen($url, $limit, $post, $cookie, $bysocket, $ip, $timeout, $block, $encodetype);
}
function dfopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE , $ip = '', $timeout = 15, $block = TRUE, $encodetype = 'URLENCODE') {
$return = '';
$matches = parse_url($url);
$scheme = $matches['scheme'];
$host = $matches['host'];
$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';
$port = !empty($matches['port']) ? $matches['port'] : ($matches['scheme'] == 'https' ? 443 : 80);
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if($post) {
$out = "POST $path HTTP/1.0\r\n";
$header = "Accept: */*\r\n";
$header .= "Accept-Language: zh-cn\r\n";
$boundary = $encodetype == 'URLENCODE' ? '' : ';'.substr($post, 0, trim(strpos($post, "\n")));
$header .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\r\n";
$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
$header .= "Host: $host:$port\r\n";
$header .= 'Content-Length: '.strlen($post)."\r\n";
$header .= "Connection: Close\r\n";
$header .= "Cache-Control: no-cache\r\n";
$header .= "Cookie: $cookie\r\n\r\n";
$out .= $header.$post;
} else {
$out = "GET $path HTTP/1.0\r\n";
$header = "Accept: */*\r\n";
$header .= "Accept-Language: zh-cn\r\n";
$header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";
$header .= "Host: $host:$port\r\n";
$header .= "Connection: Close\r\n";
$header .= "Cookie: $cookie\r\n\r\n";
$out .= $header;
}
$fpflag = 0;
if(!$fp = @fsocketopen(($scheme == 'https' ? 'ssl' : $scheme).'://'.($scheme == 'https' ? $host : ($ip ? $ip : $host)), $port, $errno, $errstr, $timeout)) {
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$context = array(
'http' => array(
'method' => $post ? 'POST' : 'GET',
'header' => $header,
'content' => $post,
'timeout' => $timeout,
),
);
$context = stream_context_create($context);
$fp = @fopen($scheme.'://'.($scheme == 'https' ? $host : ($ip ? $ip : $host)).':'.$port.$path, 'b', false, $context);
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$fpflag = 1;
}
if(!$fp) {
return '';
} else {
stream_set_blocking($fp, $block);
stream_set_timeout($fp, $timeout);
@fwrite($fp, $out);
$status = stream_get_meta_data($fp);
if(!$status['timed_out']) {
while (!feof($fp) && !$fpflag) {
if(($header = @fgets($fp)) && ($header == "\r\n" || $header == "\n")) {
break;
}
}
$stop = false;
while(!feof($fp) && !$stop) {
$data = fread($fp, ($limit == 0 || $limit > 8192 ? 8192 : $limit));
$return .= $data;
if($limit) {
$limit -= strlen($data);
$stop = $limit <= 0;
}
}
}
@fclose($fp);
return $return;
}
}
function array2string($arr) {
$s = $sep = '';
if($arr && is_array($arr)) {
foreach($arr as $k => $v) {
$s .= $sep.addslashes($k).UC_ARRAY_SEP_1.$v;
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$sep = UC_ARRAY_SEP_2;
}
}
return $s;
}
function string2array($s) {
$arr = explode(UC_ARRAY_SEP_2, $s);
$arr2 = array();
foreach($arr as $k => $v) {
list($key, $val) = explode(UC_ARRAY_SEP_1, $v);
$arr2[$key] = $val;
}
return $arr2;
}
}
?>