287 lines
9 KiB
Ruby
287 lines
9 KiB
Ruby
# frozen_string_literal: true
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# OAuth extension for User model
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#
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# * Find GitLab user based on omniauth uid and provider
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# * Create new user from omniauth data
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#
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module Gitlab
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module Auth
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module OAuth
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class User
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SignupDisabledError = Class.new(StandardError)
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SigninDisabledForProviderError = Class.new(StandardError)
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attr_reader :auth_hash
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def initialize(auth_hash)
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self.auth_hash = auth_hash
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update_profile
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add_or_update_user_identities
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end
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def persisted?
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gl_user.try(:persisted?)
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end
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def new?
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!persisted?
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end
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def valid?
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gl_user.try(:valid?)
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end
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def valid_sign_in?
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valid? && persisted?
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end
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def save(provider = 'OAuth')
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raise SigninDisabledForProviderError if oauth_provider_disabled?
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raise SignupDisabledError unless gl_user
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block_after_save = needs_blocking?
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Users::UpdateService.new(gl_user, user: gl_user).execute!
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gl_user.block if block_after_save
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log.info "(#{provider}) saving user #{auth_hash.email} from login with admin => #{gl_user.admin}, extern_uid => #{auth_hash.uid}"
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gl_user
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rescue ActiveRecord::RecordInvalid => e
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log.info "(#{provider}) Error saving user #{auth_hash.uid} (#{auth_hash.email}): #{gl_user.errors.full_messages}"
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[self, e.record.errors]
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end
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def gl_user
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return @gl_user if defined?(@gl_user)
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@gl_user = find_user
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end
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def find_user
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user = find_by_uid_and_provider
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user ||= find_by_email if auto_link_user?
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user ||= find_or_build_ldap_user if auto_link_ldap_user?
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user ||= build_new_user if signup_enabled?
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user.external = true if external_provider? && user&.new_record?
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user
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end
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def find_and_update!
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save if should_save?
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gl_user
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end
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def bypass_two_factor?
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providers = Gitlab.config.omniauth.allow_bypass_two_factor
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if providers.is_a?(Array)
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providers.include?(auth_hash.provider)
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else
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providers
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end
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end
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protected
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def should_save?
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true
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end
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def add_or_update_user_identities
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return unless gl_user
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# find_or_initialize_by doesn't update `gl_user.identities`, and isn't autosaved.
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identity = gl_user.identities.find { |identity| identity.provider == auth_hash.provider }
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identity ||= gl_user.identities.build(provider: auth_hash.provider)
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identity.extern_uid = auth_hash.uid
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if auto_link_ldap_user? && !gl_user.ldap_user? && ldap_person
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log.info "Correct LDAP account has been found. identity to user: #{gl_user.username}."
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gl_user.identities.build(provider: ldap_person.provider, extern_uid: ldap_person.dn)
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end
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end
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def find_or_build_ldap_user
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return unless ldap_person
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user = Gitlab::Auth::Ldap::User.find_by_uid_and_provider(ldap_person.dn, ldap_person.provider)
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if user
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log.info "LDAP account found for user #{user.username}. Building new #{auth_hash.provider} identity."
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return user
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end
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log.info "No user found using #{auth_hash.provider} provider. Creating a new one."
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build_new_user
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_by_email
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return unless auth_hash.has_attribute?(:email)
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::User.find_by(email: auth_hash.email.downcase)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def auto_link_ldap_user?
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Gitlab.config.omniauth.auto_link_ldap_user
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end
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def creating_linked_ldap_user?
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auto_link_ldap_user? && ldap_person
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end
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def ldap_person
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return @ldap_person if defined?(@ldap_person)
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# Look for a corresponding person with same uid in any of the configured LDAP providers
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Gitlab::Auth::Ldap::Config.providers.each do |provider|
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adapter = Gitlab::Auth::Ldap::Adapter.new(provider)
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@ldap_person = find_ldap_person(auth_hash, adapter)
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break if @ldap_person
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end
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@ldap_person
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end
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def find_ldap_person(auth_hash, adapter)
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Gitlab::Auth::Ldap::Person.find_by_uid(auth_hash.uid, adapter) ||
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Gitlab::Auth::Ldap::Person.find_by_email(auth_hash.uid, adapter) ||
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Gitlab::Auth::Ldap::Person.find_by_email(auth_hash.email, adapter) ||
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Gitlab::Auth::Ldap::Person.find_by_dn(auth_hash.uid, adapter)
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rescue Gitlab::Auth::Ldap::LdapConnectionError
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nil
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end
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def ldap_config
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Gitlab::Auth::Ldap::Config.new(ldap_person.provider) if ldap_person
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end
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def needs_blocking?
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new? && block_after_signup?
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end
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def signup_enabled?
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providers = Gitlab.config.omniauth.allow_single_sign_on
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if providers.is_a?(Array)
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providers.include?(auth_hash.provider)
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else
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providers
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end
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end
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def external_provider?
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Gitlab.config.omniauth.external_providers.include?(auth_hash.provider)
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end
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def block_after_signup?
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if creating_linked_ldap_user?
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ldap_config.block_auto_created_users
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else
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Gitlab.config.omniauth.block_auto_created_users
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end
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end
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def auth_hash=(auth_hash)
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@auth_hash = AuthHash.new(auth_hash)
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_by_uid_and_provider
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identity = Identity.with_extern_uid(auth_hash.provider, auth_hash.uid).take
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identity&.user
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def build_new_user
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user_params = user_attributes.merge(skip_confirmation: true)
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Users::BuildService.new(nil, user_params).execute(skip_authorization: true)
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end
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def user_attributes
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# Give preference to LDAP for sensitive information when creating a linked account
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if creating_linked_ldap_user?
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username = ldap_person.username.presence
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name = ldap_person.name.presence
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email = ldap_person.email.first.presence
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end
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username ||= auth_hash.username
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name ||= auth_hash.name
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email ||= auth_hash.email
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valid_username = ::Namespace.clean_path(username)
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valid_username = Uniquify.new.string(valid_username) { |s| !NamespacePathValidator.valid_path?(s) }
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{
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name: name.strip.presence || valid_username,
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username: valid_username,
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email: email,
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password: auth_hash.password,
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password_confirmation: auth_hash.password,
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password_automatically_set: true
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}
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end
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def sync_profile_from_provider?
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Gitlab::Auth::OAuth::Provider.sync_profile_from_provider?(auth_hash.provider)
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end
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def update_profile
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clear_user_synced_attributes_metadata
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return unless sync_profile_from_provider? || creating_linked_ldap_user?
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metadata = gl_user.build_user_synced_attributes_metadata
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if sync_profile_from_provider?
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UserSyncedAttributesMetadata::SYNCABLE_ATTRIBUTES.each do |key|
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if auth_hash.has_attribute?(key) && gl_user.sync_attribute?(key)
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gl_user[key] = auth_hash.public_send(key) # rubocop:disable GitlabSecurity/PublicSend
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metadata.set_attribute_synced(key, true)
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else
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metadata.set_attribute_synced(key, false)
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end
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end
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metadata.provider = auth_hash.provider
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end
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if creating_linked_ldap_user?
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metadata.set_attribute_synced(:name, true) if gl_user.name == ldap_person.name
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metadata.set_attribute_synced(:email, true) if gl_user.email == ldap_person.email.first
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metadata.provider = ldap_person.provider
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end
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end
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def clear_user_synced_attributes_metadata
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gl_user&.user_synced_attributes_metadata&.destroy
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end
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def log
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Gitlab::AppLogger
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end
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def oauth_provider_disabled?
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Gitlab::CurrentSettings.current_application_settings
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.disabled_oauth_sign_in_sources
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.include?(auth_hash.provider)
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end
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def auto_link_user?
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auto_link = Gitlab.config.omniauth.auto_link_user
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return auto_link if [true, false].include?(auto_link)
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auto_link = Array(auto_link)
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auto_link.include?(auth_hash.provider)
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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::OAuth::User.prepend_if_ee('::EE::Gitlab::Auth::OAuth::User')
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