[tor-bugs] #30512 [Circumvention/Snowflake]: Enable cache for ACME certificates in broker

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#30512: Enable cache for ACME certificates in broker
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 Reporter:  dcf                      |          Owner:  (none)
     Type:  enhancement              |         Status:  needs_information
 Priority:  Medium                   |      Milestone:
Component:  Circumvention/Snowflake  |        Version:
 Severity:  Normal                   |     Resolution:
 Keywords:  arlolra cohosh dcf phw   |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
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Changes (by dcf):

 * status:  new => needs_information


Comment:

 Replying to [comment:1 phw]:
 > Here's a simple patch:
 https://github.com/NullHypothesis/snowflake/tree/bug30509
 >
 > It uses `letsencrypt-cert-dir` in the current working directory as
 cache.

 What happens if the directory cannot be created?

 I suppose we will want at least a log message. Maybe not a fatal error.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30512#comment:2>
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