微信公众平台模拟登陆上传素材（nodejs转php）

MPWechat.prototype.uploadMedia = function(medianame,reqData,callback){

    tools.log('uploadMedia start ...');

    var boundary = 'tvmin';

    var max = 9007199254740992;

    var dec = Math.random() * max;

    var hex = boundary + dec.toString(36);

    var mimes = {

        //image

        '.bmp': 'image/bmp',

        '.png': 'image/png',

        '.gif': 'image/gif',

        '.jpg': 'image/jpeg',

        '.jpeg': 'image/jpeg',

        /oice

        '.mp3': 'audio/mp3',

        '.wav': 'audio/x-wav',

        '.amr': 'audior',

        '.wma': 'audio/x-ms-wma',

        /ideo

        '.mp4': 'video/mp4',

        '.rm': 'video/rm',

        '.rmvb': 'videond.rn-realvideo',

        '.wmv': 'video/x-ms-wmv',

        '.avi': 'video/x-msvideo',

        '.mpg': 'video/mpeg',

        '.mpeg': 'video/mpeg'

    };

    var ext = path.extname(medianame).toLowerCase();

    var mime = mimes[ext];

    var boundaryKey = '----WebKitFormBoundary' + hex;

    var payload = '\r\n\r\n--' + boundaryKey + '\r\n'

        + 'Content-Disposition: form-data; name="uploadfile"; filename="'+ medianame +'"\r\n'

        + 'Content-Type: '+ mime +'\r\n\r\n';

    var enddata  = '\r\n--' + boundaryKey + '\r\n'

        + 'Content-Disposition: form-data; name="formId"\r\n\r\n'

        + '--' + boundaryKey + '--';

    var contentLength = Buffer.byteLength(payload,'utf8') + reqData.length  + Buffer.byteLength(enddata,'utf8');

    var options = {

        host: host,

        port: 443,

        method: 'POST',

        path: '/cgi-bin/uploadmaterial?cgi=uploadmaterial&type=0&token='+ this.token +'&t=iframe-uploadfile&lang=zh_CN&formId=null',

        headers: {

            'Content-Type': 'multipart/form-data; boundary='+boundaryKey,

            'Content-Length': contentLength,

            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.43 Safari/537.31',

            'Cookie': this.cookie,

            'Referer': 'https://'+ host +'/cgi-bin/indexpage?token='+ this.token +'&lang=zh_CN&t=wxm-upload&lang=zh_CN&type=0&fromId=file_from_1341151893625'

        }

    };

    var req = https.request(options, function(response) {

        var statusCode = response.statusCode;

//        console.log('STATUS: ' + statusCode,options);

        response.setEncoding('utf8');

        var data = '';

        response.on('data', function(chunk) {

            data += chunk;

        }).on('end',function(){

                callback(data.match(/formId, '(\d+)'/)[1]);

            });

    });

    req.write(payload,'utf8');

    req.write(reqData,'binary');

    req.write(enddata,'utf8');

    req.end();



    req.on('error', function(e) {