Alter Valve to send roles via Http header

[whikloj]

GitHub Issue: Islandora/documentation#966

What does this Pull Request do?

It moves all Drupal roles into a Http header that is passed to Fedora using its HeaderProvider.

It assigns a single role of fedoraUser or fedoraAdmin based on whether any of the current user roles match fedoraAdmin. Perhaps this should be made configurable in future.

Also when we reverted the SynFilter PR, we reverted the change to accept the standard JWT claims. So I have re-added those changes here.

Lastly we were parsing the syn-settings.xml file 3 times, I changed the code to accept a Config object. So we just parse once to get that object and pass it to get the various maps.

What's new?

• Does this change require documentation to be updated? I added some info to the README, but more might be necessary
• Does this change add any new dependencies? no
• Does this change require any other modifications to be made to the repository (ie. Regeneration activity, etc.)? no
• Could this change impact execution of existing code? no

How should this be tested?

See Islandora-Devops/islandora-playbook#86

Interested parties

@Islandora-CLAW/committers

[codecov]

Codecov Report

Merging #14 into master will increase coverage by 3.13%.
The diff coverage is 92.98%.

@@             Coverage Diff              @@
##             master      #14      +/-   ##
============================================
+ Coverage     86.11%   89.25%   +3.13%     
- Complexity      116      123       +7     
============================================
  Files             6        6              
  Lines           353      363      +10     
  Branches         65       61       -4     
============================================
+ Hits            304      324      +20     
+ Misses           24       19       -5     
+ Partials         25       20       -5

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/ca/islandora/syn/token/Verifier.java	100% <100%> (+31.25%)	10 <3> (+1)	⬆️
...rc/main/java/ca/islandora/syn/settings/Config.java	100% <100%> (ø)	9 <2> (+2)	⬆️
...java/ca/islandora/syn/settings/SettingsParser.java	81.57% <50%> (-0.36%)	50 <0> (ø)
src/main/java/ca/islandora/syn/valve/SynValve.java	91.8% <97.05%> (+1.06%)	32 <9> (+4)	⬆️

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[dannylamb]

@whikloj Just spun up a fresh vagrant and am testing now.

[dannylamb]

Tested as part of Islandora-Devops/islandora-playbook#86. Working as expected