110 lines
3.0 KiB
Ruby
110 lines
3.0 KiB
Ruby
module Gitlab
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module LDAP
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class Person
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# Active Directory-specific LDAP filter that checks if bit 2 of the
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# userAccountControl attribute is set.
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# Source: http://ctogonewild.com/2009/09/03/bitmask-searches-in-ldap/
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AD_USER_DISABLED = Net::LDAP::Filter.ex("userAccountControl:1.2.840.113556.1.4.803", "2")
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attr_accessor :entry, :provider
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def self.find_by_uid(uid, adapter)
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uid = Net::LDAP::Filter.escape(uid)
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adapter.user(adapter.config.uid, uid)
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end
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def self.find_by_dn(dn, adapter)
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adapter.user('dn', dn)
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end
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def self.find_by_email(email, adapter)
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email_fields = adapter.config.attributes['email']
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adapter.user(email_fields, email)
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end
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def self.disabled_via_active_directory?(dn, adapter)
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adapter.dn_matches_filter?(dn, AD_USER_DISABLED)
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end
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def self.ldap_attributes(config)
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[
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'dn', # Used in `dn`
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config.uid, # Used in `uid`
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*config.attributes['name'], # Used in `name`
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*config.attributes['email'] # Used in `email`
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]
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end
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def self.normalize_dn(dn)
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::Gitlab::LDAP::DN.new(dn).to_normalized_s
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rescue ::Gitlab::LDAP::DN::FormatError => e
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Rails.logger.info("Returning original DN \"#{dn}\" due to error during normalization attempt: #{e.message}")
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dn
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end
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# Returns the UID in a normalized form.
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#
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# 1. Excess spaces are stripped
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# 2. The string is downcased (for case-insensitivity)
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def self.normalize_uid(uid)
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::Gitlab::LDAP::DN.normalize_value(uid)
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rescue ::Gitlab::LDAP::DN::FormatError => e
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Rails.logger.info("Returning original UID \"#{uid}\" due to error during normalization attempt: #{e.message}")
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uid
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end
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def initialize(entry, provider)
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Rails.logger.debug { "Instantiating #{self.class.name} with LDIF:\n#{entry.to_ldif}" }
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@entry = entry
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@provider = provider
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end
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def name
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attribute_value(:name).first
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end
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def uid
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entry.public_send(config.uid).first # rubocop:disable GitlabSecurity/PublicSend
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end
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def username
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uid
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end
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def email
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attribute_value(:email)
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end
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def dn
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self.class.normalize_dn(entry.dn)
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end
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private
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def entry
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@entry
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end
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def config
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@config ||= Gitlab::LDAP::Config.new(provider)
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end
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# Using the LDAP attributes configuration, find and return the first
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# attribute with a value. For example, by default, when given 'email',
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# this method looks for 'mail', 'email' and 'userPrincipalName' and
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# returns the first with a value.
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def attribute_value(attribute)
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attributes = Array(config.attributes[attribute.to_s])
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selected_attr = attributes.find { |attr| entry.respond_to?(attr) }
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return nil unless selected_attr
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entry.public_send(selected_attr) # rubocop:disable GitlabSecurity/PublicSend
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end
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end
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end
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end
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