Question

196

nodejs write raw image data to jpeg file?

rated 0 times [ 200] [ 4] / answers: 1 / hits: 16239 / 13 Years ago, mon, february 6, 2012, 12:00:00

I am getting data from a get request. The data (in the body of the response) looks something like this:

... ÿÀ����ÿÄ��������������ÿÄ�N��!1AQa2q¡#BR±ð3brS²ÁÂÑá$ñCDTst¢³&45dÃÒÿÄ������������ÿÄ�-������!1AQa¡ðq±ÁÑ2áÿÚ���?�û.                        R1º#ª¥7Jíî½M6îNö ]·!]=Fvß`7~qÆee²%·JokkZüCbìþ<ù{ã9öùË®´(%A,Ià�2I?t×bn6wÆù¥V 2SÀ><k5ºÙØ92EhÎçü¨/aÝ!ã|ñþ¥ñßT}U«¦ÒÚµ«xuÕfÆ³ KØ {ù{ð$·DúBMZÆcp}´R|Mä2ó8üg)·ùôfõ$zXiRÞü}óÆ>,êÚûíR5ý: .....

the response headers look like this:

HTTP/1.1 200 OK

Content-Length: 26965

Access-Control-Allow-Origin: *

Content-Type: image/jpeg; charset=UTF-8

Date: Mon, 06 Feb 2012 21:14:21 GMT

Expires: Mon, 06 Feb 2012 22:14:21 GMT

Cache-Control: public, max-age=3600

Last-Modified: Fri, 13 Feb 2009 23:31:30 GMT

X-Content-Type-Options: nosniff

X-XSS-Protection: 1; mode=block

Server: Dropta Server 1.0

X-Frame-Options: SAMEORIGIN

Connection: close

I want to get the body content which is my image data and save it to a name.jpeg file on the server.

How can I do that? I tried using buffers combined with the fs module, but I am kind of lost.

Thanks

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travion

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answered 13 Years ago beatrizrheaq · Accepted Answer

Here's an example, which downloads http://upload.wikimedia.org/wikipedia/commons/1/15/Jagdschloss_Granitz_4.jpg to name.jpeg

var fs=require('fs');

var http=require('http');



var f=fs.createWriteStream('name.jpeg');



var options={

    host:'upload.wikimedia.org',

    port:80,

    path:'/wikipedia/commons/1/15/Jagdschloss_Granitz_4.jpg'

}



http.get(options,function(res){

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

        f.write(chunk);

    });

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

        f.end();

    });

});