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Re: How to send file content to server?

Message-ID <2953112.VveF1GjdCU@PointedEars.de> (permalink)
From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Organization PointedEars Software (PES)
Date 2012-09-28 10:48 +0200
Subject Re: How to send file content to server?
Newsgroups comp.lang.javascript
References <50655c82$0$6892$e4fe514c@news2.news.xs4all.nl>
Followup-To comp.lang.javascript

Followups directed to: comp.lang.javascript

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Tom de Neef wrote:

> I use code like this:
>   var asyncRequestor = new XMLHttpRequest();
>   var transmit = function(txt){
>     asyncRequestor.open("POST",d2w.appID,true);
>     asyncRequestor.setRequestHeader("Content-type","application/x-www-
form-urlencoded");
>     asyncRequestor.send(txt);
>   };
>   ...
>   transmit('origin='+origin+'&'+args);
> to pass information about events to the server. That works as required
> (thanks to help I got from you !).
> 
> Now I come to a point where the content of a file needs to be transmitted,
> like in:
>   function readLocalFile(file) {
>     var reader = new FileReader();
>     reader.onload =
> function(){transmit('origin='+file.name+'&'+this.result)};
>     reader.readAsBinaryString(file);
>   }
> 
> Questions:
> 1. is this how a file's contents should be passed?

No.

> 2. is the content-type still correct?

No.

> 3. shouldn't this.result be encapsulated to cope with & and other unwanted
> chars?

Yes.  It should be URL-encoded instead, unless you gzip it.
 
> Or maybe you can point me to an example. I could not find anything useful.

<http://stackoverflow.com/a/8378918/855543>


PointedEars
-- 
Sometimes, what you learn is wrong. If those wrong ideas are close to the 
root of the knowledge tree you build on a particular subject, pruning the 
bad branches can sometimes cause the whole tree to collapse.
  -- Mike Duffy in cljs, <news:Xns9FB6521286DB8invalidcom@94.75.214.39>

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Thread

How to send file content to server? "Tom de Neef" <tdeneef@qolor.nl> - 2012-09-28 10:14 +0200
  Re: How to send file content to server? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-09-28 10:48 +0200
    Re: How to send file content to server? "Tom de Neef" <tdeneef@qolor.nl> - 2012-09-28 12:52 +0200
      Re: How to send file content to server? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-09-28 13:00 +0200
        Re: How to send file content to server? "Tom de Neef" <tdeneef@qolor.nl> - 2012-10-01 23:38 +0200
          Re: How to send file content to server? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-10-02 21:43 +0200
            Re: How to send file content to server? John G Harris <john@nospam.demon.co.uk> - 2012-10-03 16:15 +0100
            Re: How to send file content to server? "Tom de Neef" <tdeneef@qolor.nl> - 2012-10-03 19:06 +0200
              Re: How to send file content to server? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-10-03 20:20 +0200
                Re: How to send file content to server? "Tom de Neef" <tdeneef@qolor.nl> - 2012-10-03 22:46 +0200
                Re: How to send file content to server? "Tom de Neef" <tdeneef@qolor.nl> - 2012-10-04 07:50 +0200

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