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<a name="The.widgets"></a>
<h1>The widgets</h1>
<pre><code>version: 1
Date: 14 March 2016
Author: José Bollo
</code></pre>
<a name="The.widgets"></a>
<h2>The widgets</h2>
<p>The widgets are described by the technical recommendations
<a href="http://www.w3.org/TR/widgets" title="Packaged Web Apps">widgets</a> and <a href="http://www.w3.org/TR/widgets-digsig" title="XML Digital Signatures for Widgets">widgets-digsig</a>.</p>
<a name="signature.of.the"></a>
<h3>signature of the</h3>
<p>The application framework</p>
<p>This is the original part of our work here</p>
<a name="directory.where.are.stored.applications"></a>
<h3>directory where are stored applications</h3>
<p>Applications can be installed in few places: on the system itself or on an extension device.
For my phone, for example, it is the sd card.</p>
<p>This translates to:</p>
<ul>
<li>/usr/applications: for system wide applications</li>
<li>/opt/applications: for removable applications</li>
</ul>
<p>In the remaining of the document, these places are writen “APPDIR”.</p>
<a name="Organisation.of.directory.of.applications"></a>
<h1>Organisation of directory of applications</h1>
<p>The main path for applivcations are: APPDIR/PKGID/VER.</p>
<p>Where:</p>
<ul>
<li>APPDIR is as defined above</li>
<li>PKGID is a directory whose name is the package identifier</li>
<li>VER is the version of the package MAJOR.MINOR</li>
</ul>
<p>This organisation has the advantage to allow several versions to leave together.
This is needed for some good reasons (rolling back) and also for less good reasons (user habits).</p>
<a name="Identity.of.installed.files"></a>
<h2>Identity of installed files</h2>
<p>All the files are installed as the user “userapp” and group “userapp”.
All files have rw(x) for user and r-(x) for group and others.</p>
<p>This allows any user to read the files.</p>
<a name="Labelling.the.directories.of.applications"></a>
<h2>Labelling the directories of applications</h2>
<a name="Organisation.of.data"></a>
<h1>Organisation of data</h1>
<p>The data of a user are in its directory and are labelled using the labels of the application</p>
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