121 lines
3.3 KiB
Ruby
121 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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# LDAP authorization model
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#
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# * Check if we are allowed access (not blocked)
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#
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module Gitlab
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module Auth
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module Ldap
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class Access
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attr_reader :provider, :user, :ldap_identity
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def self.open(user, &block)
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Gitlab::Auth::Ldap::Adapter.open(user.ldap_identity.provider) do |adapter|
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block.call(self.new(user, adapter))
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end
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end
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def self.allowed?(user, options = {})
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self.open(user) do |access|
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# Whether user is allowed, or not, we should update
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# permissions to keep things clean
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if access.allowed?
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unless Gitlab::Database.read_only?
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access.update_user
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Users::UpdateService.new(user, user: user, last_credential_check_at: Time.now).execute
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end
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true
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else
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false
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end
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end
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end
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def initialize(user, adapter = nil)
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@adapter = adapter
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@user = user
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@ldap_identity = user.ldap_identity
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@provider = adapter&.provider || ldap_identity&.provider
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end
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def allowed?
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if ldap_user
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unless ldap_config.active_directory
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unblock_user(user, 'is available again') if user.ldap_blocked?
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return true
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end
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# Block user in GitLab if they were blocked in AD
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if Gitlab::Auth::Ldap::Person.disabled_via_active_directory?(ldap_identity.extern_uid, adapter)
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block_user(user, 'is disabled in Active Directory')
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false
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else
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unblock_user(user, 'is not disabled anymore') if user.ldap_blocked?
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true
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end
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else
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# Block the user if they no longer exist in LDAP/AD
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block_user(user, 'does not exist anymore')
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false
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end
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rescue LdapConnectionError
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false
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end
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def update_user
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# no-op in CE
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end
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private
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def adapter
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@adapter ||= Gitlab::Auth::Ldap::Adapter.new(provider)
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end
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def ldap_config
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Gitlab::Auth::Ldap::Config.new(provider)
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end
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def ldap_user
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return unless provider
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@ldap_user ||= find_ldap_user
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end
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def find_ldap_user
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Gitlab::Auth::Ldap::Person.find_by_dn(ldap_identity.extern_uid, adapter)
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end
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def block_user(user, reason)
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user.ldap_block
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if provider
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Gitlab::AppLogger.info(
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"LDAP account \"#{ldap_identity.extern_uid}\" #{reason}, " \
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"blocking GitLab user \"#{user.name}\" (#{user.email})"
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)
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else
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Gitlab::AppLogger.info(
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"Account is not provided by LDAP, " \
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"blocking GitLab user \"#{user.name}\" (#{user.email})"
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)
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end
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end
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def unblock_user(user, reason)
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user.activate
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Gitlab::AppLogger.info(
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"LDAP account \"#{ldap_identity.extern_uid}\" #{reason}, " \
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"unblocking GitLab user \"#{user.name}\" (#{user.email})"
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)
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end
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end
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end
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end
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end
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Gitlab::Auth::Ldap::Access.prepend_mod_with('Gitlab::Auth::Ldap::Access')
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