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# LDAP authorization model
#
# * Check if we are allowed access (not blocked)
#
module Gitlab
module LDAP
class Access
attr_reader :provider, :user
def self.open(user, &block)
Gitlab::LDAP::Adapter.open(user.ldap_identity.provider) do |adapter|
block.call(self.new(user, adapter))
end
end
def self.allowed?(user)
self.open(user) do |access|
if access.allowed?
Users::UpdateService.new(user, user, last_credential_check_at: Time.now).execute
true
else
false
end
end
end
def initialize(user, adapter = nil)
@adapter = adapter
@user = user
@provider = user.ldap_identity.provider
end
def allowed?
if ldap_user
unless ldap_config.active_directory
unblock_user(user, 'is available again') if user.ldap_blocked?
return true
end
# Block user in GitLab if he/she was blocked in AD
if Gitlab::LDAP::Person.disabled_via_active_directory?(user.ldap_identity.extern_uid, adapter)
block_user(user, 'is disabled in Active Directory')
false
else
unblock_user(user, 'is not disabled anymore') if user.ldap_blocked?
true
end
else
# Block the user if they no longer exist in LDAP/AD
block_user(user, 'does not exist anymore')
false
end
end
def adapter
@adapter ||= Gitlab::LDAP::Adapter.new(provider)
end
def ldap_config
Gitlab::LDAP::Config.new(provider)
end
def ldap_user
@ldap_user ||= Gitlab::LDAP::Person.find_by_dn(user.ldap_identity.extern_uid, adapter)
end
def block_user(user, reason)
user.ldap_block
Gitlab::AppLogger.info(
"LDAP account \"#{user.ldap_identity.extern_uid}\" #{reason}, " \
"blocking Gitlab user \"#{user.name}\" (#{user.email})"
)
end
def unblock_user(user, reason)
user.activate
Gitlab::AppLogger.info(
"LDAP account \"#{user.ldap_identity.extern_uid}\" #{reason}, " \
"unblocking Gitlab user \"#{user.name}\" (#{user.email})"
)
end
end
end
end
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