Refs #22058 - refresh rubocop config and apply autofixes

Fixes #23857 - Fix Performance/InefficientHashSearch cop

Fixes #13749 - Handle Base64 and binary LDAP avatars

Before this change, we would always try to Base64.decode absolutely any
avatar. This resulted in broken images, as sometimes the avatars are
automatically turned into binary by net/ldap. In such cases, we want to...

Fixes #19840 - Fix Rails/ReadWriteAttribute cop

Fixes #15286 - New API for auth sources (#4865)

Fixes #19772, #19773, #19774 - Fix some empty line cops

Fixes #17992, #18103 - Improve external usergroup errors

When one submit an user group with external user groups, and this
doesn't work for whatever reason, like:

Net::LDAP::Error - No route to host - connect(2)
LdapFluff::Generic::UnauthenticatedException...

fixes #21394 - user login with access token api

Fixes #21175 - Unable to add AD LDAP Auth Source

Fixes #20515 - always find user by login

Fixes #17811 - Improve error message LDAP fail

Fixes #16112 - support for netgroups in LDAP auth source

Fixes #16624 - Make AuthSourceLDAP taxable

This allows users to set organizations/locations on AuthSourceLDAP
objects. That in itself might not be that useful, but it allows us to
follow on and assign the AuthSourceLDAP taxonomies to the users
autocreated through it.

Fixes #16491 - Upgrade rubocop to version 0.42

fixes #3917 - replace protected_attrs with strong parameters

Filtering of attributes has moved from the protected_attributes gem to
strong parameters in controller concerns, to be in line with current
Rails recommendations.

Concerns are shared between UI and both API controllers and list the...

Refs #3809 - Turning on some rubocop cops

Refs #12911 - Fixing colon method calls

fixes #12730 - removing the fakeFS gem

fixes #7548 - cannot use UTF8 characters from ldap auth source

Fixes #7568 - Use attr_accessible for Rails 4 upgrade

Fixes #12325 - Add to_utf8 method and ensure avatar_path returns in utf-8

Fixes #7537 - Adds test connection button to LDAP form

Fixes #12059 - AuthSourceLdap allow_nil should be removed

When we migrated to the new migration syntax, the clause
`validate_length_of :host` was wrongly translated. It contains a clause
`allow_nil` that allows it to be nil, but in Rails 3 the `:presence =>...

Fixes #11407 - Uppercase logins from LDAP break external user group sync

On LDAP the login can contain uppercase chars, for instance, "FOO". However
when we log in Foreman for the first time and have that account auto-created,
we can login using "foo". After that, our login will be saved as "foo" on...

Fixes #11428 - External user groups refresh shouldn't be case sensitive

group_list in ldap_fluff returns a list of lowercase LDAP GIDs.
When AuthSourceLdap tries to run update_usergroups to refresh the external
user groups, it will try to match these lowercase gids with external user...

Fixes #10713 - improved backtrace logging

• full trace in 500 page in production shows really the full trace
• Foreman::Logging.exception as an unified entry point for exceptions logging
• the backtrace cleaner doesn't delete the plugins
• the orchestration exceptions gets the backtrace covered by logger...

fixes #10509 - add toggle for LDAP usergroup updating

fixes #10493 - disable usergroup sync on login when $login is used

fixes #4769 - fix deprecation warning while syncing LDAP attrs

fixes #10406 - add LDAP instrumentation and extra logging

Fixes #10263 - Encrypt LDAP password in db

This commit includes a rake task to encrypt all encryptable resources.
A helper function can be used to add more encryption tasks easily.

Fixes #9926 - do not always set LDAP encryption method

Fixes #9885 - pass verify_mode to net/ldap

Fixes #9869 - propagate LDAP errors

Refs #3809 - Remove cops for empty lines

fixes #9084 - catch net-ldap 0.11's specific invalid filter exception

Refs #3809 - Remove useless assignments

Fixes #7369 - External user groups update on login

Fixes #6710 - unicode characters in url parameters

Original methods to_param defined on resources called name.parameterize
to get rid of url-unsafe characters. This function unfortunately also
stripped off unicode characters.

Changes:
- parameterization extracted into a separate module Parameterizable...

fixes #7898 - ensure that format can respond to json / yaml

fixes #4439 - ensure user logins are handled case insensitively

Refs #3809 - Use parentheses in method definitions

fixes #4386 - gem friendly_id to simplify find by id, name, label, etc

Fixes #6538 - User group vs usergroup name consistency

refs #7066 - fix syntax error in expression

fixes #7066 - add back $login interpolation for LDAP service account usernames

In cases where an LDAP connection is required outside of the context of user
authentication (e.g. validation of external user group name), an error is
thrown. Users are recommended to use dedicated service accounts for this...

Fixes #7003 - Revert LDAP to simple_tls

Fixes #5734 - API for external groups management

Fixes #813 - External usergroups can be linked to an LDAP auth source

fixes #6636, #6657, #6694 - add field length validations, extend audit field length

fixes #5414: LDAP + TLS is not LDAP + TLS but LDAP + SSL and changed port automatically on check

fixes #3272 - allow 'admin' account to be removed and replaced

fixes #5222 - Log ldap attributes in debug-level logging

fixes #4643 - Retrieving Optional LDAP attributes fails on 1.8.7

fixes #3827 - adds ldap avatar support

fixes #4442 - returning nil plays nice with try_to_login.

fixes #3312 - support /users/extlogin as a login page based on REMOTE_USER

fixes #2741 - rails 3 syntax

fixes #863 - added ldap_filter to LDAP auth sources to filter lookups using RFC 2254 filters

fixes #2411 - move STI models in /models and /lib/foreman/models to sub-folders