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http_class.php 26.3 KB
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<?php
/**
 * Tiny - A PHP Framework For Web Artisans
 * @author Tiny <tinylofty@gmail.com>
 * @copyright Copyright(c) 2010-2014 http://www.tinyrise.com All rights reserved
 * @version 1.0
 */
/**
 * 数据采集，doGET,doPOST,文件下载，
 *
 * @author Tiny
 * @class Http
 */
class Http
{
        static public $way=0;
        //手动设置访问方式
        static public function setWay($way)
        {
            self::$way=intval($way);
        }
        static public function getSupport()
        {
            //如果指定访问方式，则按指定的方式去访问
            if(isset(self::$way)&&in_array(self::$way,array(1,2,3)))
                return self::$way;

            //自动获取最佳访问方式
            if(function_exists('curl_init'))//curl方式
            {
                return 1;
            }
            else if(function_exists('fsockopen'))//socket
            {
                return 2;
            }
            else if(function_exists('file_get_contents'))//php系统函数file_get_contents
            {
                return 3;
            }
            else
            {
                return 0;
            }
        }
        //通过get方式获取数据
        static public function doGet($url,$timeout=5,$header="")
        {
                if(empty($url)||empty($timeout))
                        return false;
                if(!preg_match('/^(http|https)/is',$url))
                        $url="http://".$url;
                $code=self::getSupport();
                switch($code)
                {
                        case 1:return self::curlGet($url,$timeout,$header);break;
                        case 2:return self::socketGet($url,$timeout,$header);break;
                        case 3:return self::phpGet($url,$timeout,$header);break;
                        default:return false;
                }
        }
        //通过POST方式发送数据
        static public function doPost($url, $post_data=array(), $timeout=5,$header="")
        {
                if(empty($url)||empty($post_data)||empty($timeout))
                        return false;
                if(!preg_match('/^(http|https)/is',$url))
                        $url="http://".$url;
                $code=self::getSupport();
                switch($code)
                {
                        case 1:return self::curlPost($url,$post_data,$timeout,$header);break;
                        case 2:return self::socketPost($url,$post_data,$timeout,$header);break;
                        case 3:return self::phpPost($url,$post_data,$timeout,$header);break;
                        default:return false;
                }
        }
        //通过curl get数据
        static public function curlGet($url,$timeout=5,$header="")
        {
                $header=empty($header)?self::defaultHeader():$header;
                $ch = curl_init();
                curl_setopt($ch, CURLOPT_URL, $url);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
                curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
                curl_setopt($ch, CURLOPT_HTTPHEADER, array($header));//模拟的header头
                $result = curl_exec($ch);
                curl_close($ch);
                return $result;
        }
        //通过curl post数据
        static public function curlPost($url, $post_data=array(), $timeout=5,$header="")
        {
                $header=empty($header)?'':$header;
                $post_string = http_build_query($post_data);
                $ch = curl_init();
                curl_setopt($ch, CURLOPT_POST, true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $post_string);
                curl_setopt($ch, CURLOPT_URL, $url);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
                curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
                curl_setopt($ch, CURLOPT_HTTPHEADER, array($header));//模拟的header头
                $result = curl_exec($ch);
                curl_close($ch);
                return $result;
        }
        //通过socket get数据
        static public function socketGet($url,$timeout=5,$header="")
        {
                $header=empty($header)?self::defaultHeader():$header;
                $url2 = parse_url($url);
                $url2["path"] = isset($url2["path"])? $url2["path"]: "/" ;
                $url2["port"] = isset($url2["port"])? $url2["port"] : 80;
                $url2["query"] = isset($url2["query"])? "?".$url2["query"] : "";
                $host_ip = @gethostbyname($url2["host"]);

                if(($fsock = fsockopen($host_ip, $url2['port'], $errno, $errstr, $timeout)) < 0){
                        return false;
                }
                $request =  $url2["path"] .$url2["query"];
                $in  = "GET " . $request . " HTTP/1.0\r\n";
                if(false===strpos($header, "Host:"))
                {
                         $in .= "Host: " . $url2["host"] . "\r\n";
                }
                $in .= $header;
                $in .= "Connection: Close\r\n\r\n";

                if(!@fwrite($fsock, $in, strlen($in))){
                        @fclose($fsock);
                        return false;
                }
                return self::GetHttpContent($fsock);
        }
        //通过socket post数据
        static public function socketPost($url, $post_data=array(), $timeout=5,$header="")
        {
                $header=empty($header)?self::defaultHeader():$header;
                $post_string = http_build_query($post_data);


                $url2 = parse_url($url);
                $url2["path"] = ($url2["path"] == "" ? "/" : $url2["path"]);
                $url2["port"] = ($url2["port"] == "" ? 80 : $url2["port"]);
                $host_ip = @gethostbyname($url2["host"]);
                $fsock_timeout = $timeout; //超时时间
                if(($fsock = fsockopen($host_ip, $url2['port'], $errno, $errstr, $fsock_timeout)) < 0){
                        return false;
                }
                $request =  $url2["path"].($url2["query"] ? "?" . $url2["query"] : "");
                $in  = "POST " . $request . " HTTP/1.0\r\n";
                $in .= "Host: " . $url2["host"] . "\r\n";
                $in .= $header;
                $in .= "Content-type: application/x-www-form-urlencoded\r\n";
                $in .= "Content-Length: " . strlen($post_string) . "\r\n";
                $in .= "Connection: Close\r\n\r\n";
                $in .= $post_string . "\r\n\r\n";
                unset($post_string);
                if(!@fwrite($fsock, $in, strlen($in))){
                        @fclose($fsock);
                        return false;
                }
                return self::GetHttpContent($fsock);
        }

        //通过file_get_contents函数get数据
        static public function phpGet($url,$timeout=5,$header="")
        {
                $header=empty($header)?self::defaultHeader():$header;
                $opts = array(
                                'http'=>array(
                                                        'protocol_version'=>'1.0', //http协议版本(若不指定php5.2系默认为http1.0)
                                                        'method'=>"GET",//获取方式
                                                        'timeout' => $timeout ,//超时时间
                                                        'header'=> $header)
                                  );
                $context = stream_context_create($opts);
                return  @file_get_contents($url,false,$context);
        }
        //通过file_get_contents 函数post数据
        static public function phpPost($url, $post_data=array(), $timeout=5,$header="")
        {
                $header=empty($header)?self::defaultHeader():$header;
                $post_string = http_build_query($post_data);
                $header.="Content-length: ".strlen($post_string);
                $opts = array(
                                'http'=>array(
                                                        'protocol_version'=>'1.0',//http协议版本(若不指定php5.2系默认为http1.0)
                                                        'method'=>"POST",//获取方式
                                                        'timeout' => $timeout ,//超时时间
                                                        'header'=> $header,
                                                        'content'=> $post_string)
                                  );
                $context = stream_context_create($opts);
                return  @file_get_contents($url,false,$context);
        }

        //默认模拟的header头
        static private function defaultHeader()
        {
                $header="User-Agent:Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12\r\n";
                $header.="Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n";
                $header.="Accept-language: zh-cn,zh;q=0.5\r\n";
                $header.="Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7\r\n";
                return $header;
        }
        //获取通过socket方式get和post页面的返回数据
        static private function GetHttpContent($fsock=null)
        {
                $out = null;
                while($buff = @fgets($fsock, 2048)){
                         $out .= $buff;
                }
                fclose($fsock);
                $pos = strpos($out, "\r\n\r\n");
                $head = substr($out, 0, $pos);    //http head
                $status = substr($head, 0, strpos($head, "\r\n"));    //http status line
                $body = substr($out, $pos + 4, strlen($out) - ($pos + 4));//page body
                if(preg_match("/^HTTP\/\d\.\d\s([\d]+)\s.*$/", $status, $matches))
                {
                        if(intval($matches[1]) / 100 == 2)
                        {
                                return $body;
                        }
                        else
                        {
                                return false;
                        }
                }
                else
                {
                        return false;
                }
        }
	static public function zip($files,$zipfile){
        if(class_exists('ZipArchive'))
        {
            $zip = new ZipArchive();
            $zip->open($zipfile,ZIPARCHIVE::CREATE);
            if(is_array($files))
            {
                foreach($files as $file)
                {
                    if(is_file($file))$zip->addFile($file,basename($file));
                }
            }
            else{
                if(is_file($files))$zip->addFile($files,basename($files));
            }
            $zip->close();
            return true;
        }
        else
        {
            return false;
        }
    }

    //下载导出CSV文件
    static public function exportCSV($headings=false, $rows=false, $filename=false)
    {
        if (!empty($rows)){
            $name = ($filename !== false) ? $filename . ".csv" : "export.csv";
            header('Content-Type: text/csv; CHARSET=UTF-8');
            header('Content-Disposition: attachment; filename=' . $name);
            $output = fopen('php://output', 'w');
            fwrite($output,chr(0xEF).chr(0xBB).chr(0xBF));
            if(!empty($headings)){
                fputcsv($output, $headings);
            }
            foreach($rows as $row){
                fputcsv($output, $row);
            }
            exit();
        }
        return false;
     }

    /**
     * 下载文件
     *
     * @access public
     * @param mixed $filename 下载文件路径
     * @param string $showname 下载显示的文件名
     * @param int $expire 下载内容浏览器缓存时间
     * @return mixed
     */
    static public function download($filename, $showname='',$expire=1800)
    {
        if(file_exists($filename)&&is_file($filename))
            {
            $length = filesize($filename);
        }
        else{
            die('下载文件不存在！');
        }

        $type = mime_content_type($filename);

        //发送Http Header信息 开始下载
        header("Pragma: public");
        header("Cache-control: max-age=".$expire);
        //header('Cache-Control: no-store, no-cache, must-revalidate');
        header("Expires: " . gmdate("D, d M Y H:i:s",time()+$expire) . "GMT");
        header("Last-Modified: " . gmdate("D, d M Y H:i:s",time()) . "GMT");
        header("Content-Disposition: attachment; filename=".$showname);
        header("Content-Length: ".$length);
        header("Content-type: ".$type);
        header('Content-Encoding: none');
        header("Content-Transfer-Encoding: binary" );
        readfile($filename);
        return true;
    }
}

if( !function_exists ('mime_content_type')) {
     /**
      * 获取文件的mime_content类型
      *
      * @access global
      * @param mixed $filename
      * @return String
      */
    function mime_content_type($filename)
    {
       static $contentType = array(
                        'ai'    => 'application/postscript',
                                'aif'   => 'audio/x-aiff',
                                'aifc'  => 'audio/x-aiff',
                                'aiff'  => 'audio/x-aiff',
                                'asc'   => 'application/pgp', //changed by skwashd - was text/plain
                                'asf'   => 'video/x-ms-asf',
                                'asx'   => 'video/x-ms-asf',
                                'au'    => 'audio/basic',
                                'avi'   => 'video/x-msvideo',
                                'bcpio' => 'application/x-bcpio',
                                'bin'   => 'application/octet-stream',
                                'bmp'   => 'image/bmp',
                                'c'     => 'text/plain', // or 'text/x-csrc', //added by skwashd
                                'cc'    => 'text/plain', // or 'text/x-c++src', //added by skwashd
                                'cs'    => 'text/plain', //added by skwashd - for C# src
                                'cpp'   => 'text/x-c++src', //added by skwashd
                                'cxx'   => 'text/x-c++src', //added by skwashd
                                'cdf'   => 'application/x-netcdf',
                                'class' => 'application/octet-stream',//secure but application/java-class is correct
                                'com'   => 'application/octet-stream',//added by skwashd
                                'cpio'  => 'application/x-cpio',
                                'cpt'   => 'application/mac-compactpro',
                                'csh'   => 'application/x-csh',
                                'css'   => 'text/css',
                                'csv'   => 'text/comma-separated-values',//added by skwashd
                                'dcr'   => 'application/x-director',
                                'diff'  => 'text/diff',
                                'dir'   => 'application/x-director',
                                'dll'   => 'application/octet-stream',
                                'dms'   => 'application/octet-stream',
                                'doc'   => 'application/msword',
                                'dot'   => 'application/msword',//added by skwashd
                                'dvi'   => 'application/x-dvi',
                                'dxr'   => 'application/x-director',
                                'eps'   => 'application/postscript',
                                'etx'   => 'text/x-setext',
                                'exe'   => 'application/octet-stream',
                                'ez'    => 'application/andrew-inset',
                                'gif'   => 'image/gif',
                                'gtar'  => 'application/x-gtar',
                                'gz'    => 'application/x-gzip',
                                'h'     => 'text/plain', // or 'text/x-chdr',//added by skwashd
                                'h++'   => 'text/plain', // or 'text/x-c++hdr', //added by skwashd
                                'hh'    => 'text/plain', // or 'text/x-c++hdr', //added by skwashd
                                'hpp'   => 'text/plain', // or 'text/x-c++hdr', //added by skwashd
                                'hxx'   => 'text/plain', // or 'text/x-c++hdr', //added by skwashd
                                'hdf'   => 'application/x-hdf',
                                'hqx'   => 'application/mac-binhex40',
                                'htm'   => 'text/html',
                                'html'  => 'text/html',
                                'ice'   => 'x-conference/x-cooltalk',
                                'ics'   => 'text/calendar',
                                'ief'   => 'image/ief',
                                'ifb'   => 'text/calendar',
                                'iges'  => 'model/iges',
                                'igs'   => 'model/iges',
                                'jar'   => 'application/x-jar', //added by skwashd - alternative mime type
                                'java'  => 'text/x-java-source', //added by skwashd
                                'jpe'   => 'image/jpeg',
                                'jpeg'  => 'image/jpeg',
                                'jpg'   => 'image/jpeg',
                                'js'    => 'application/x-javascript',
                                'kar'   => 'audio/midi',
                                'latex' => 'application/x-latex',
                                'lha'   => 'application/octet-stream',
                                'log'   => 'text/plain',
                                'lzh'   => 'application/octet-stream',
                                'm3u'   => 'audio/x-mpegurl',
                                'man'   => 'application/x-troff-man',
                                'me'    => 'application/x-troff-me',
                                'mesh'  => 'model/mesh',
                                'mid'   => 'audio/midi',
                                'midi'  => 'audio/midi',
                                'mif'   => 'application/vnd.mif',
                                'mov'   => 'video/quicktime',
                                'movie' => 'video/x-sgi-movie',
                                'mp2'   => 'audio/mpeg',
                                'mp3'   => 'audio/mpeg',
                                'mpe'   => 'video/mpeg',
                                'mpeg'  => 'video/mpeg',
                                'mpg'   => 'video/mpeg',
                                'mpga'  => 'audio/mpeg',
                                'ms'    => 'application/x-troff-ms',
                                'msh'   => 'model/mesh',
                                'mxu'   => 'video/vnd.mpegurl',
                                'nc'    => 'application/x-netcdf',
                                'oda'   => 'application/oda',
                                'patch' => 'text/diff',
                                'pbm'   => 'image/x-portable-bitmap',
                                'pdb'   => 'chemical/x-pdb',
                                'pdf'   => 'application/pdf',
                                'pgm'   => 'image/x-portable-graymap',
                                'pgn'   => 'application/x-chess-pgn',
                                'pgp'   => 'application/pgp',//added by skwashd
                                'php'   => 'application/x-httpd-php',
                                'php3'  => 'application/x-httpd-php3',
                                'pl'    => 'application/x-perl',
                                'pm'    => 'application/x-perl',
                                'png'   => 'image/png',
                                'pnm'   => 'image/x-portable-anymap',
                                'po'    => 'text/plain',
                                'ppm'   => 'image/x-portable-pixmap',
                                'ppt'   => 'application/vnd.ms-powerpoint',
                                'ps'    => 'application/postscript',
                                'qt'    => 'video/quicktime',
                                'ra'    => 'audio/x-realaudio',
                                'rar'=>'application/octet-stream',
                                'ram'   => 'audio/x-pn-realaudio',
                                'ras'   => 'image/x-cmu-raster',
                                'rgb'   => 'image/x-rgb',
                                'rm'    => 'audio/x-pn-realaudio',
                                'roff'  => 'application/x-troff',
                                'rpm'   => 'audio/x-pn-realaudio-plugin',
                                'rtf'   => 'text/rtf',
                                'rtx'   => 'text/richtext',
                                'sgm'   => 'text/sgml',
                                'sgml'  => 'text/sgml',
                                'sh'    => 'application/x-sh',
                                'shar'  => 'application/x-shar',
                                'shtml' => 'text/html',
                                'silo'  => 'model/mesh',
                                'sit'   => 'application/x-stuffit',
                                'skd'   => 'application/x-koan',
                                'skm'   => 'application/x-koan',
                                'skp'   => 'application/x-koan',
                                'skt'   => 'application/x-koan',
                                'smi'   => 'application/smil',
                                'smil'  => 'application/smil',
                                'snd'   => 'audio/basic',
                                'so'    => 'application/octet-stream',
                                'spl'   => 'application/x-futuresplash',
                                'src'   => 'application/x-wais-source',
                                'stc'   => 'application/vnd.sun.xml.calc.template',
                                'std'   => 'application/vnd.sun.xml.draw.template',
                                'sti'   => 'application/vnd.sun.xml.impress.template',
                                'stw'   => 'application/vnd.sun.xml.writer.template',
                                'sv4cpio'       => 'application/x-sv4cpio',
                                'sv4crc'        => 'application/x-sv4crc',
                                'swf'   => 'application/x-shockwave-flash',
                                'sxc'   => 'application/vnd.sun.xml.calc',
                                'sxd'   => 'application/vnd.sun.xml.draw',
                                'sxg'   => 'application/vnd.sun.xml.writer.global',
                                'sxi'   => 'application/vnd.sun.xml.impress',
                                'sxm'   => 'application/vnd.sun.xml.math',
                                'sxw'   => 'application/vnd.sun.xml.writer',
                                't'     => 'application/x-troff',
                                'tar'   => 'application/x-tar',
                                'tcl'   => 'application/x-tcl',
                                'tex'   => 'application/x-tex',
                                'texi'  => 'application/x-texinfo',
                                'texinfo'       => 'application/x-texinfo',
                                'tgz'   => 'application/x-gtar',
                                'tif'   => 'image/tiff',
                                'tiff'  => 'image/tiff',
                                'tr'    => 'application/x-troff',
                                'tsv'   => 'text/tab-separated-values',
                                'txt'   => 'text/plain',
                                'ustar' => 'application/x-ustar',
                                'vbs'   => 'text/plain', //added by skwashd - for obvious reasons
                                'vcd'   => 'application/x-cdlink',
                                'vcf'   => 'text/x-vcard',
                                'vcs'   => 'text/calendar',
                                'vfb'   => 'text/calendar',
                                'vrml'  => 'model/vrml',
                                'vsd'   => 'application/vnd.visio',
                                'wav'   => 'audio/x-wav',
                                'wax'   => 'audio/x-ms-wax',
                                'wbmp'  => 'image/vnd.wap.wbmp',
                                'wbxml' => 'application/vnd.wap.wbxml',
                                'wm'    => 'video/x-ms-wm',
                                'wma'   => 'audio/x-ms-wma',
                                'wmd'   => 'application/x-ms-wmd',
                                'wml'   => 'text/vnd.wap.wml',
                                'wmlc'  => 'application/vnd.wap.wmlc',
                                'wmls'  => 'text/vnd.wap.wmlscript',
                                'wmlsc' => 'application/vnd.wap.wmlscriptc',
                                'wmv'   => 'video/x-ms-wmv',
                                'wmx'   => 'video/x-ms-wmx',
                                'wmz'   => 'application/x-ms-wmz',
                                'wrl'   => 'model/vrml',
                                'wvx'   => 'video/x-ms-wvx',
                                'xbm'   => 'image/x-xbitmap',
                                'xht'   => 'application/xhtml+xml',
                                'xhtml' => 'application/xhtml+xml',
                                'xls'   => 'application/vnd.ms-excel',
                                'xlt'   => 'application/vnd.ms-excel',
                                'xml'   => 'application/xml',
                                'xpm'   => 'image/x-xpixmap',
                                'xsl'   => 'text/xml',
                                'xwd'   => 'image/x-xwindowdump',
                                'xyz'   => 'chemical/x-xyz',
                                'z'     => 'application/x-compress',
                                'zip'   => 'application/zip',
       );
    }
}