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Mads Kiilerich

auth: refactor to introduce @LoginRequired(allow_default_user=True) and deprecate @NotAnonymous()

It was error prone that @LoginRequired defaulted to allow anonymous users (if
'default' user is enabled). See also 245b4e3abf39.

Refactor code to make it more explicit and safe by default: Deprecate
@NotAnonymous by making it the default of @LoginRequired. That will make it
safe by default.

To preserve same functionality, set allow_default_user=True in all the cases
where @LoginRequired was *not* followed by @NotAnonymous or other permission
checks - that was done with some script hacks:
sed -i 's/@LoginRequired(\(..*\))/@LoginRequired(\1, allow_default_user=True)/g' `hg mani`
sed -i 's/@LoginRequired()/@LoginRequired(allow_default_user=True)/g' `hg mani`
perl -0pi -e 's/\@LoginRequired\(allow_default_user=True\)\n\s*\@NotAnonymous\(\)/\@LoginRequired()/g' `hg mani`
perl -0pi -e 's/\@LoginRequired\(allow_default_user=True\)(\n\s*\@Has(Repo)?Permission)/\@LoginRequired()\1/g' `hg mani`

It has been reviewed that all uses of allow_default_user=True are in places
where the there indeed wasn't any checking for default user before. These may
or may not be correct, but now they are explicit and can be spotted and fixed.

The few remaining uses of @NotAnonymous should probably be removed somehow.

.. _customization:

=============
Customization
=============

There are several ways to customize Kallithea to your needs depending on what
you want to achieve.


HTML/JavaScript/CSS customization
---------------------------------

To customize the look-and-feel of the web interface (for example to add a
company banner or some JavaScript widget or to tweak the CSS style definitions)
you can enter HTML code (possibly with JavaScript and/or CSS) directly via the
*Admin > Settings > Global > HTML/JavaScript customization
block*.


Behavioral customization: rcextensions
--------------------------------------

Some behavioral customization can be done in Python using ``rcextensions``, a
custom Python package that can extend Kallithea functionality.

With ``rcextensions`` it's possible to add additional mappings for Whoosh
indexing and statistics, to add additional code into the push/pull/create/delete
repository hooks (for example to send signals to build bots such as Jenkins) and
even to monkey-patch certain parts of the Kallithea source code (for example
overwrite an entire function, change a global variable, ...).

To generate a skeleton extensions package, run::

    gearbox make-rcext -c my.ini

This will create an ``rcextensions`` package next to the specified ``ini`` file.
See the ``__init__.py`` file inside the generated ``rcextensions`` package
for more details.


Behavioral customization: code changes
--------------------------------------

As Kallithea is open-source software, you can make any changes you like directly
in the source code.

We encourage you to send generic improvements back to the
community so that Kallithea can become better. See :ref:`contributing` for more
details.