[tor-bugs] #28239 [Core Tor/Stem]: stem should permit Content-Type text/plain on all directory responses

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#28239: stem should permit Content-Type text/plain on all directory responses
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     Reporter:  teor           |      Owner:  atagar
         Type:  defect         |     Status:  new
     Priority:  Medium         |  Milestone:
    Component:  Core Tor/Stem  |    Version:
     Severity:  Normal         |   Keywords:
Actual Points:                 |  Parent ID:  #28100
       Points:                 |   Reviewer:
      Sponsor:                 |
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 In #28100, we make all directory responses have "Content-Type:
 text/plain".

 Since older tor versions will still use `Content-Type: application/octet-
 stream` for compressed content, stem should allow both options. (There is
 no mention of Content-Type in torspec, so we don't need spec changes.)

 The relevant lines are:
 https://github.com/torproject/stem/blob/master/test/unit/descriptor/remote.py#L76
 https://github.com/torproject/stem/blob/master/test/unit/descriptor/remote.py#L284

 I am not sure if these checks are actually done on tor. If they are, we'll
 need to merge the stem patch before the tor patch, because #27913 just
 merged test-stem into CI.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28239>
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