[MacPorts] #73979: buildbot-0.8: limit range of waterfall last_time parameter

[MacPorts]

#73979: buildbot-0.8: limit range of waterfall last_time parameter
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 Reporter:  ryandesign  |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  buildbot-0.8
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 The MacPorts buildmaster can be unresponsive for hours after someone (AI
 scrapers, vulnerability scanners) loads the waterfall and specifies a
 last_time GET parameter far in the past. We could either try to filter
 this out in nginx before it gets to buildmaster, or in the buildbot code
 to be of benefit to others as well. We could cap the last_time to be no
 older than, say, a month ago, and either deliver that month of data or
 abort with an error immediately.

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Ticket URL: <https://trac.macports.org/ticket/73979>
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