[MlMt] Inject custom javascript into Message View

[Verdon Vaillancourt]

oh god, if you can find a way to get rid of signature noise, please 
share!

On 13 Jun 2017, at 9:29, Padraic Renaghan wrote:

> Totally understand not wanting to enable javascript in the message 
> view. Certainly can't trust senders to run javascript they provide.
>
> Maybe there is another way to do what I am trying to accomplish...
>
> My company adds a ridiculous 20 line legal footer to all emails. Makes 
> reading them noisy, especially when a thread gets a few replies, and 
> every reply gets another 20 legal footer. So I was going to use 
> javascript to identify those blocks and "display:hide" them.
>
> Is there another way to do that?
> Any way to filter the message prior to loading it into the MM Web 
> View?
> Is that what the premailer is about?
> Can I customize that?
>
> Thanks,
> Padraic
>
> 2017-06-13 05:44 EDT from Benny Kjær Nielsen:
>
>> On 12 Jun 2017, at 18:59, Padraic Renaghan wrote:
>>
>>> What I'd really like to do is inject javascript. I tried making my 
>>> own version of basic.js, but that didn't seem to get injected.
>>
>> Javascript is currently always disabled for the message view.
>>
>>> I did it for headers with the headersFormatting.plist using the 
>>> prefix. This seems to work well.
>>
>> The HTML generated for the headers view is under my control and 
>> therefore it is safer to allow Javascript.
>>
>>> Any way to do this for the main message view?
>>
>> Not currently.
>>
>>> If not, possible new advanced feature?
>>
>> Yes, but probably only for non-HTML emails and then I'm not sure it's 
>> really useful. I really don't want to go into the problem of 
>> sanitizing arbitrary HTML messages.
>>
>> -- 
>> Benny
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