[Sugar-devel] Web activities on XO-4

Gonzalo Odiard gonzalo at laptop.org
Wed Sep 18 16:56:48 EDT 2013


This is for the potential security risk of opening files outside of the
activity directory,
or because can be a problem with different activities running at the same
time
or multiple instances of the same activity?

Gonzalo


On Wed, Sep 18, 2013 at 5:46 PM, Daniel Narvaez <dwnarvaez at gmail.com> wrote:

> You could put an http server in the activity... Sucks but I'm not sure
> there is a better way :/
>
>
> On Wednesday, 18 September 2013, Manuel Quiñones wrote:
>
>> I finally got web activities working on XO-4, in the AU build
>> published yesterday [1] .  I did it by modifying webactivities.py to
>> use WebKitGTK1 instead of v2.  The changes are:
>>
>> https://github.com/manuq/sugar-toolkit-gtk3-1/compare/webacts-webkit1
>>
>> I tried it with Gears Activity v3, and is working.  It stores the data
>> and the metadata.  So it is communicating with the shell just fine.
>>
>> The touchscreen is not responding very well, at least in this
>> activity.  I can tap buttons, but I can barely drag to move a gear or
>> to draw one.  The dragging seems to be cancelled in the middle of the
>> action.  Mouse input works fine.
>>
>> Also as expected, the icons look small in the XO screen because I need
>> to adapt the theme.  But that is an easy one, just changing the
>> CEL_SIZE variable in the LESS file to create another CSS for the XO
>> screen DPI, and adding a CSS media query selector to the HTML.  I'll
>> provide a patch to sugar-web-template and will update my web
>> activities.
>>
>> The inspector is not working, it does not display.  It shoud display
>> by Ctrl+Shift+I or by right-click -> "Inspect element".  There is no
>> error in the logs and the API is there [2], but nothing is happening.
>> Surprisingly, JavaScript console logs go to the activity log.  We are
>> missing that in master.
>>
>> I managed to keep the activity:// scheme that we need for the
>> same-origin policy, but I still had to add the setting
>> 'enable-file-access-from-file-uris' to workaround the cross-site
>> requests.  I can't find a way to register the URI scheme in WK1, so I
>> added a big FIXME.
>>
>> [1] http://build.laptop.org.au/xo/os/sugar-100/build-21/
>> [2]
>> http://webkitgtk.org/reference/webkitgtk/stable/WebKitWebInspector.html
>>
>>
>> --
>> .. manuq ..
>> _______________________________________________
>> Sugar-devel mailing list
>> Sugar-devel at lists.sugarlabs.org
>> http://lists.sugarlabs.org/listinfo/sugar-devel
>>
>
>
> --
> Daniel Narvaez
>
>
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>
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