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make_app could cause attribute errors when attempting to look up
settings against the ISettings object (internal). Fixed by giving
the Settings objects defaults for ``debug_authorization`` and
``debug_notfound``.
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- The ``BFG_DEBUG_AUTHORIZATION`` envvar and the
``debug_authorization`` config file value now only imply debugging
of view-invoked security checks. Previously, information was
printed for every call to ``has_permission`` as well, which made
output confusing. To debug ``has_permission`` checks and other
manual permission checks, use the debugger and print statements in
your own code.
- Authorization debugging info is now only present in the HTTP
response body oif ``debug_authorization`` is true.
- The format of authorization debug messages was improved.
- A new ``BFG_DEBUG_NOTFOUND`` envvar was added and a symmetric
``debug_notfound`` config file value was added. When either is
true, and a NotFound response is returned by the BFG router
(because a view could not be found), debugging information is
printed to stderr. When this value is set true, the body of
HTTPNotFound responses will also contain the same debugging
information.
- ``Allowed`` and ``Denied`` responses from the security machinery
are now specialized into two types: ACL types, and non-ACL types.
The ACL-related responses are instances of
``repoze.bfg.security.ACLAllowed`` and
``repoze.bfg.security.ACLDenied``. The non-ACL-related responses
are ``repoze.bfg.security.Allowed`` and
``repoze.bfg.security.Denied``. The allowed-type responses
continue to evaluate equal to things that themselves evaluate
equal to the ``True`` boolean, while the denied-type responses
continue to evaluate equal to things that themselves evaluate
equal to the ``False`` boolean. The only difference between the
two types is the information attached to them for debugging
purposes.
- Added a new ``BFG_DEBUG_ALL`` envvar and a symmetric ``debug_all``
config file value. When either is true, all other debug-related
flags are set true unconditionally (e.g. ``debug_notfound`` and
``debug_authorization``).
Documentation
- Added info about debug flag changes.
- Added a section to the security chapter named "Debugging
Imperative Authorization Failures" (for e.g. ``has_permssion``).
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this logger is registered unconditionally and is used by the
authorization debug machinery. Applications may also make use of
it as necessary rather than inventing their own logger, for
convenience.
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server rather than ``PasteScript#cherrpy`` server. The cherrypy
server has a security risk in it when ``REMOTE_USER`` is trusted
by the downstream application.
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view was found and called, but it returned something that did not
implement IResponse, the error would pass by unflagged. This was
noticed when I created a view function that essentially returned
None, but received a NotFound error rather than a ValueError when
the view was rendered. This was fixed.
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- An "Environment and Configuration" chapter was added to the narrative
portion of the documentation.
Features
- Ensure bfg doesn't generate warnings when running under Python
2.6.
- The environment variable ``BFG_RELOAD_TEMPLATES`` is now available
(serves the same purpose as ``reload_templates`` in the config file).
- A new configuration file option ``debug_authorization`` was added.
This turns on printing of security authorization debug statements
to ``sys.stderr``. The ``BFG_DEBUG_AUTHORIZATION`` environment
variable was also added; this performs the same duty.
Bug Fixes
- The environment variable ``BFG_SECURITY_DEBUG`` did not always work.
It has been renamed to ``BFG_DEBUG_AUTHORIZATION`` and fixed.
Deprecations
- A deprecation warning is now issued when old API names from the
``repoze.bfg.templates`` module are imported.
Backwards incompatibilities
- The ``BFG_SECURITY_DEBUG`` environment variable was renamed to
``BFG_DEBUG_AUTHORIZATION``.
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contract (and test this).
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``repoze.bfg.templates`` module are imported.
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- A ``repoze.bfg.location`` API module was added.
Backwards incompatibilities
- Applications must now use the ``repoze.bfg.interfaces.ILocation``
interface rather than ``zope.location.interfaces.ILocation`` to
represent that a model object is "location-aware". We've removed
a dependency on ``zope.location`` for cleanliness purposes: as
new versions of zope libraries are released which have improved
dependency information, getting rid of our dependence on
``zope.location`` will prevent a newly installed repoze.bfg
application from requiring the ``zope.security``, egg, which not
truly used at all in a "stock" repoze.bfg setup. These
dependencies are still required by the stack at this time; this
is purely a futureproofing move.
The security and model documentation for previous versions of
``repoze.bfg`` recommended using the
``zope.location.interfaces.ILocation`` interface to represent
that a model object is "location-aware". This documentation has
been changed to reflect that this interface should now be
imported from ``repoze.bfg.interfaces.ILocation`` instead.
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so conditions such as method=GET did not work.
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