[SAC] [OSGeo] #2896: Upgrade wiki from wikimedia 1.34 to 1.39

[OSGeo]

#2896: Upgrade wiki from wikimedia 1.34 to 1.39
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 Reporter:  robe           |       Owner:  sac@…
     Type:  task           |      Status:  new
 Priority:  normal         |   Milestone:  Sysadmin Contract 2023-I
Component:  Systems Admin  |  Resolution:
 Keywords:                 |
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Comment (by robe):

 Okay at a glance it looks like there is no issue upgrading from 1.34 ->
 1.35 -> 1.37

 The issue of login no longer working happens if I try to upgrade to 1.38
 or 1.39.
 I'm suspecting something changed in LDAPAuthentication2 around that
 change.

 One possibility is I used too new of PluggableAuth (cause I was using the
 ones marked as the version of mediawiki I was using.  This note
 https://www.mediawiki.org/wiki/Manual:Active_Directory_Integration  says
 PluggableAuth 6 doesn't work with LDAPAuthentication2.

 The other possibility is maybe there was a time when LDAPAuthentication2
 could read from ldap.conf.  I couldn't find in our configs any mention of
 ldap.osgeo.org, so assume it's reading it from ldap.conf installed on the
 server. But instructions here -
 https://www.mediawiki.org/wiki/Manual:Active_Directory_Integration talk
 about an ldap.json file that should be setup with these settings. I'll
 confirm this with hexmode.
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2896#comment:4>
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