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Added SESSION_REFRESH_EACH_REQUEST config option.

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This also changes how sessions are being refreshed.  With the new
behavior set-cookie is only emitted if the session is modified or if the
session is permanent.  Permanent sessions can be set to not refresh
automatically through the SESSION_REFRESH_EACH_REQUEST config key.

This fixes #798.
This commit is contained in:
Armin Ronacher 2013-07-30 16:43:54 +02:00
parent 1a66a7e110
commit d1d835c023
5 changed files with 96 additions and 0 deletions
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12
docs/config.rst
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@ -88,6 +88,15 @@ The following configuration values are used internally by Flask:
:class:`datetime.timedelta` object.
Starting with Flask 0.8 this can also be
an integer representing seconds.
``SESSION_REFRESH_EACH_REQUEST`` this flag controls how permanent
sessions are refresh. If set to `True`
(which is the default) then the cookie
is refreshed each request which
automatically bumps the lifetime. If
set to `False` a `set-cookie` header is
only sent if the session is modified.
Non permanent sessions are not affected
by this.
``USE_X_SENDFILE`` enable/disable x-sendfile
``LOGGER_NAME`` the name of the logger
``SERVER_NAME`` the name and port number of the server.
@ -210,6 +219,9 @@ The following configuration values are used internally by Flask:
.. versionadded:: 0.10
``JSON_AS_ASCII``, ``JSON_SORT_KEYS``, ``JSONIFY_PRETTYPRINT_REGULAR``
.. versionadded:: 1.0
``SESSION_REFRESH_EACH_REQUEST``
Configuring from Files
----------------------