Add shibboleth

[SamuelWei]

Fixes #20

Type (Highlight the corresponding type)

• Bugfix
• Feature
• Documentation
• Refactoring (e.g. Style updates, Test implementation, etc.)
• Other (please describe):

Checklist

• Code updated to current masters head
• Passes CI checks
• Is a part of an issue
• Tests added for the bugfix or newly implemented feature, describe below why if not
• Changelog is updated
• Documentation of code and features exists

Changes

• Add shibboleth authentication
• Make LDAP login configurable (enabled/disabled)

Other information

Add this to the section of the vhost apache config:

<Location />
    AuthType shibboleth
    Require shibboleth
</Location>

<Location /shibboleth>
    AuthType shibboleth
    ShibRequestSetting requireSession 1
    Require valid-user
</Location>

[codecov]

Codecov Report

Merging #139 (0f75708) into master (5a95dc7) will decrease coverage by 4.36%.
The diff coverage is 0.00%.

❗ Current head 0f75708 differs from pull request most recent head 1bfcb4a. Consider uploading reports for the commit 1bfcb4a to get more accurate results

@@             Coverage Diff              @@
##             master     #139      +/-   ##
============================================
- Coverage     94.72%   90.36%   -4.37%     
+ Complexity      732      543     -189     
============================================
  Files           174      153      -21     
  Lines          3925     3040     -885     
  Branches        246      182      -64     
============================================
- Hits           3718     2747     -971     
- Misses          178      231      +53     
- Partials         29       62      +33     

Impacted Files	Coverage Δ
app/Http/Controllers/auth/ShibbolethController.php	0.00% <0.00%> (ø)
resources/js/views/rooms/View.vue	44.89% <0.00%> (-44.52%)	⬇️
resources/js/i18n.js	73.68% <0.00%> (-18.63%)	⬇️
resources/js/views/settings/Application.vue	75.86% <0.00%> (-8.04%)	⬇️
resources/js/components/Room/NewRoomComponent.vue	80.76% <0.00%> (-7.70%)	⬇️
resources/js/components/Room/FileComponent.vue	87.83% <0.00%> (-7.41%)	⬇️
resources/js/views/PasswordReset.vue	93.33% <0.00%> (-6.67%)	⬇️
...esources/js/components/RoomType/RoomTypeSelect.vue	90.47% <0.00%> (-5.18%)	⬇️
resources/js/views/settings/users/View.vue	89.91% <0.00%> (-4.03%)	⬇️
resources/js/views/settings/users/Index.vue	85.71% <0.00%> (-3.76%)	⬇️
... and 98 more

---

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[accesslint]

There are accessibility issues in these changes.

[accesslint]

Looks like this element is missing an accessible name or label. That makes it hard for people using screen readers or voice control to use the control.

[SamuelWei]

Closed in favor of #336