[SAC] [OSGeo] #165: Wiki LDAP integration

[OSGeo]

#165: Wiki LDAP integration
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 Reporter:  crschmidt   |       Owner:  astrodog
     Type:  task        |      Status:  assigned
 Priority:  normal      |   Milestone:
Component:  Wiki        |  Resolution:
 Keywords:  ldap, wiki  |
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Comment (by TemptorSent):

 **Proposed migration plans following #OSGeo-sac meeting 2018-03-29**

 Martin noted that the current MediaWiki instance is somewhat out of date,
 therefore I propose the following migration to both a newer mediawiki
 version and ldap authenticated accounts:

 1. Setup clean new MediaWiki instance, including all necessary extensions.
 2. Export database from current instance and import to new instance.
 3. Rename all existing user accounts with prefix, such as "_wikiuser_".
 4. Disable login to any account having the prefix.
 5. Force all logins through OSGeo LDAP authentication.
 6. On first login of a LDAP user to the wiki, prompt user to provide
 credentials for any existing wiki accounts they wish to merge; prepend
 prefix to authenticate and merge if valid.

 We will want to do this on a testing basis first to work out any issues,
 then freeze the existing instance before importing clean with a fresh dump
 and swapping in the new instance.

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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/165#comment:31>
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