HTML5 teaser

Colin Holgate colinholgate at
Sat Mar 5 01:13:54 CET 2016

Hopefully the exception key would help. Only the user would know how to unencrypt the image.

> On Mar 4, 2016, at 7:07 PM, [-hh] <hh at> wrote:
> Currently the ask dialog is the **only** way to communicate
> with a HTML5 standalone.
> You simply have to manage, that your imagedata can pass the
> dialog (no CR). And be aware that everybody can read your
> script, but that shouldn't matter. The rest works "as usual".
> The copy/paste via "ask" mechanism works (there are examples
> to try).
>> Colin H. wrote:
>> I’ve been tasked with a problem to solve, and I think I can 
>> use any tool to do it. LiveCode could be a good choice. 
>> Here’s what’s needed:
>> A PDF is online somewhere. A logged in user asks for it, 
>> and the server encrypts it before sending over, using some 
>> sort of key that was in the query. On receiving the data, 
>> the client side would have to unencrypted it, and show it 
>> as the original PDF in a browser.
>> I feel sure there are some difficulties in there, such as
>> whether Javascript can write a file to the user’s hard 
>> drive, and then show it in a browser. In LiveCode terms, 
>> one solution would be to send it as encrypted image data, 
>> and then set the imagedata of an image to the unencrypted 
>> version (if setting imagedata is allowed in the HTML5 
>> export from LiveCode).
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