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utils: make API key generator more random
The API key generator abused temporary filenames in what seems to be an attempt
of creating keys that unambiguously specified the user and thus were unique
across users. A final hashing did however remove that property.
More importantly, tempfile is not documented to use secure random numbers ...
and it only uses 6 characters, giving approximately 36 bits of entropy.
Instead, use the cryptographically secure os.urandom directly to generate keys
with the same length but with the full 160 bits of entropy.
Reported and fixed by Andrew Bartlett.
The API key generator abused temporary filenames in what seems to be an attempt
of creating keys that unambiguously specified the user and thus were unique
across users. A final hashing did however remove that property.
More importantly, tempfile is not documented to use secure random numbers ...
and it only uses 6 characters, giving approximately 36 bits of entropy.
Instead, use the cryptographically secure os.urandom directly to generate keys
with the same length but with the full 160 bits of entropy.
Reported and fixed by Andrew Bartlett.
bbd499c7b55e bbd499c7b55e ac7e43325817 ac7e43325817 ac7e43325817 bbd499c7b55e ac7e43325817 ac7e43325817 ac7e43325817 ac7e43325817 bbd499c7b55e ac7e43325817 ac7e43325817 ac7e43325817 ac7e43325817 ac7e43325817 bbd499c7b55e ac7e43325817 ac7e43325817 ac7e43325817 bbd499c7b55e ac7e43325817 ac7e43325817 ac7e43325817 bbd499c7b55e ac7e43325817 bbd499c7b55e ac7e43325817 ac7e43325817 ac7e43325817 ac7e43325817 | .. _statistics:
=====================
Repository statistics
=====================
Kallithea has a ``repository statistics`` feature, disabled by default. When
enabled, the amount of commits per committer is visualized in a timeline. This
feature can be enabled using the ``Enable statistics`` checkbox on the
repository ``Settings`` page.
The statistics system makes heavy demands on the server resources, so
in order to keep a balance between usability and performance, statistics are
cached inside the database and gathered incrementally.
When Celery is disabled:
On each first visit to the summary page a set of 250 commits are parsed and
added to the statistics cache. This incremental gathering also happens on each
visit to the statistics page, until all commits are fetched.
Statistics are kept cached until additional commits are added to the
repository. In such a case Kallithea will only fetch the new commits when
updating its statistics cache.
When Celery is enabled:
On the first visit to the summary page, Kallithea will create tasks that will
execute on Celery workers. These tasks will gather all of the statistics until
all commits are parsed. Each task parses 250 commits, then launches a new
task.
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