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# Redmine - project management software
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# Redmine - project management software
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# Copyright (C) 2006-2015 Jean-Philippe Lang
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# Copyright (C) 2006-2015 Jean-Philippe Lang
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#
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#
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# This program is free software; you can redistribute it and/or
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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# of the License, or (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require 'net/ldap'
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require 'net/ldap'
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require 'net/ldap/dn'
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require 'net/ldap/dn'
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require 'timeout'
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require 'timeout'
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class AuthSourceLdap < AuthSource
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class AuthSourceLdap < AuthSource
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validates_presence_of :host, :port, :attr_login
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validates_presence_of :host, :port, :attr_login
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validates_length_of :name, :host, :maximum => 60, :allow_nil => true
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validates_length_of :name, :host, :maximum => 60, :allow_nil => true
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validates_length_of :account, :account_password, :base_dn, :filter, :maximum => 255, :allow_blank => true
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validates_length_of :account, :account_password, :base_dn, :maximum => 255, :allow_blank => true
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validates_length_of :attr_login, :attr_firstname, :attr_lastname, :attr_mail, :maximum => 30, :allow_nil => true
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validates_length_of :attr_login, :attr_firstname, :attr_lastname, :attr_mail, :maximum => 30, :allow_nil => true
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validates_numericality_of :port, :only_integer => true
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validates_numericality_of :port, :only_integer => true
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validates_numericality_of :timeout, :only_integer => true, :allow_blank => true
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validates_numericality_of :timeout, :only_integer => true, :allow_blank => true
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validate :validate_filter
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validate :validate_filter
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before_validation :strip_ldap_attributes
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before_validation :strip_ldap_attributes
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def initialize(attributes=nil, *args)
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def initialize(attributes=nil, *args)
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super
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super
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self.port = 389 if self.port == 0
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self.port = 389 if self.port == 0
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end
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end
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def authenticate(login, password)
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def authenticate(login, password)
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return nil if login.blank? || password.blank?
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return nil if login.blank? || password.blank?
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with_timeout do
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with_timeout do
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attrs = get_user_dn(login, password)
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attrs = get_user_dn(login, password)
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if attrs && attrs[:dn] && authenticate_dn(attrs[:dn], password)
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if attrs && attrs[:dn] && authenticate_dn(attrs[:dn], password)
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logger.debug "Authentication successful for '#{login}'" if logger && logger.debug?
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logger.debug "Authentication successful for '#{login}'" if logger && logger.debug?
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return attrs.except(:dn)
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return attrs.except(:dn)
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end
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end
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end
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end
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rescue Net::LDAP::LdapError => e
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rescue Net::LDAP::LdapError => e
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raise AuthSourceException.new(e.message)
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raise AuthSourceException.new(e.message)
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end
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end
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# test the connection to the LDAP
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# test the connection to the LDAP
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def test_connection
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def test_connection
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with_timeout do
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with_timeout do
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ldap_con = initialize_ldap_con(self.account, self.account_password)
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ldap_con = initialize_ldap_con(self.account, self.account_password)
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ldap_con.open { }
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ldap_con.open { }
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end
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end
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rescue Net::LDAP::LdapError => e
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rescue Net::LDAP::LdapError => e
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raise AuthSourceException.new(e.message)
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raise AuthSourceException.new(e.message)
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end
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end
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def auth_method_name
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def auth_method_name
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"LDAP"
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"LDAP"
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end
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end
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# Returns true if this source can be searched for users
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# Returns true if this source can be searched for users
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def searchable?
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def searchable?
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!account.to_s.include?("$login") && %w(login firstname lastname mail).all? {|a| send("attr_#{a}?")}
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!account.to_s.include?("$login") && %w(login firstname lastname mail).all? {|a| send("attr_#{a}?")}
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end
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end
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# Searches the source for users and returns an array of results
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# Searches the source for users and returns an array of results
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def search(q)
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def search(q)
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q = q.to_s.strip
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q = q.to_s.strip
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return [] unless searchable? && q.present?
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return [] unless searchable? && q.present?
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results = []
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results = []
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search_filter = base_filter & Net::LDAP::Filter.begins(self.attr_login, q)
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search_filter = base_filter & Net::LDAP::Filter.begins(self.attr_login, q)
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ldap_con = initialize_ldap_con(self.account, self.account_password)
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ldap_con = initialize_ldap_con(self.account, self.account_password)
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ldap_con.search(:base => self.base_dn,
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ldap_con.search(:base => self.base_dn,
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:filter => search_filter,
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:filter => search_filter,
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:attributes => ['dn', self.attr_login, self.attr_firstname, self.attr_lastname, self.attr_mail],
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:attributes => ['dn', self.attr_login, self.attr_firstname, self.attr_lastname, self.attr_mail],
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:size => 10) do |entry|
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:size => 10) do |entry|
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attrs = get_user_attributes_from_ldap_entry(entry)
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attrs = get_user_attributes_from_ldap_entry(entry)
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attrs[:login] = AuthSourceLdap.get_attr(entry, self.attr_login)
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attrs[:login] = AuthSourceLdap.get_attr(entry, self.attr_login)
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results << attrs
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results << attrs
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end
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end
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results
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results
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rescue Net::LDAP::LdapError => e
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rescue Net::LDAP::LdapError => e
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raise AuthSourceException.new(e.message)
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raise AuthSourceException.new(e.message)
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end
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end
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private
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private
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def with_timeout(&block)
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def with_timeout(&block)
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timeout = self.timeout
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timeout = self.timeout
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timeout = 20 unless timeout && timeout > 0
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timeout = 20 unless timeout && timeout > 0
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Timeout.timeout(timeout) do
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Timeout.timeout(timeout) do
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return yield
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return yield
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end
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end
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rescue Timeout::Error => e
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rescue Timeout::Error => e
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raise AuthSourceTimeoutException.new(e.message)
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raise AuthSourceTimeoutException.new(e.message)
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end
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end
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def ldap_filter
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def ldap_filter
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if filter.present?
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if filter.present?
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Net::LDAP::Filter.construct(filter)
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Net::LDAP::Filter.construct(filter)
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end
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end
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rescue Net::LDAP::LdapError
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rescue Net::LDAP::LdapError
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nil
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nil
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end
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end
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def base_filter
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def base_filter
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filter = Net::LDAP::Filter.eq("objectClass", "*")
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filter = Net::LDAP::Filter.eq("objectClass", "*")
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if f = ldap_filter
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if f = ldap_filter
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filter = filter & f
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filter = filter & f
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end
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end
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filter
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filter
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end
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end
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def validate_filter
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def validate_filter
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if filter.present? && ldap_filter.nil?
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if filter.present? && ldap_filter.nil?
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errors.add(:filter, :invalid)
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errors.add(:filter, :invalid)
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end
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end
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end
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end
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def strip_ldap_attributes
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def strip_ldap_attributes
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[:attr_login, :attr_firstname, :attr_lastname, :attr_mail].each do |attr|
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[:attr_login, :attr_firstname, :attr_lastname, :attr_mail].each do |attr|
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write_attribute(attr, read_attribute(attr).strip) unless read_attribute(attr).nil?
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write_attribute(attr, read_attribute(attr).strip) unless read_attribute(attr).nil?
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end
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end
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end
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end
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def initialize_ldap_con(ldap_user, ldap_password)
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def initialize_ldap_con(ldap_user, ldap_password)
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options = { :host => self.host,
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options = { :host => self.host,
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:port => self.port,
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:port => self.port,
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:encryption => (self.tls ? :simple_tls : nil)
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:encryption => (self.tls ? :simple_tls : nil)
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}
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}
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options.merge!(:auth => { :method => :simple, :username => ldap_user, :password => ldap_password }) unless ldap_user.blank? && ldap_password.blank?
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options.merge!(:auth => { :method => :simple, :username => ldap_user, :password => ldap_password }) unless ldap_user.blank? && ldap_password.blank?
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Net::LDAP.new options
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Net::LDAP.new options
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end
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end
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def get_user_attributes_from_ldap_entry(entry)
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def get_user_attributes_from_ldap_entry(entry)
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{
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{
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:dn => entry.dn,
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:dn => entry.dn,
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:firstname => AuthSourceLdap.get_attr(entry, self.attr_firstname),
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:firstname => AuthSourceLdap.get_attr(entry, self.attr_firstname),
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:lastname => AuthSourceLdap.get_attr(entry, self.attr_lastname),
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:lastname => AuthSourceLdap.get_attr(entry, self.attr_lastname),
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:mail => AuthSourceLdap.get_attr(entry, self.attr_mail),
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:mail => AuthSourceLdap.get_attr(entry, self.attr_mail),
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:auth_source_id => self.id
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:auth_source_id => self.id
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}
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}
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end
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end
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# Return the attributes needed for the LDAP search. It will only
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# Return the attributes needed for the LDAP search. It will only
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# include the user attributes if on-the-fly registration is enabled
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# include the user attributes if on-the-fly registration is enabled
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def search_attributes
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def search_attributes
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if onthefly_register?
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if onthefly_register?
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['dn', self.attr_firstname, self.attr_lastname, self.attr_mail]
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['dn', self.attr_firstname, self.attr_lastname, self.attr_mail]
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else
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else
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['dn']
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['dn']
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end
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end
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end
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end
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# Check if a DN (user record) authenticates with the password
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# Check if a DN (user record) authenticates with the password
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def authenticate_dn(dn, password)
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def authenticate_dn(dn, password)
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if dn.present? && password.present?
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if dn.present? && password.present?
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initialize_ldap_con(dn, password).bind
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initialize_ldap_con(dn, password).bind
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end
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end
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end
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end
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# Get the user's dn and any attributes for them, given their login
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# Get the user's dn and any attributes for them, given their login
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def get_user_dn(login, password)
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def get_user_dn(login, password)
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ldap_con = nil
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ldap_con = nil
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if self.account && self.account.include?("$login")
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if self.account && self.account.include?("$login")
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ldap_con = initialize_ldap_con(self.account.sub("$login", Net::LDAP::DN.escape(login)), password)
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172
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ldap_con = initialize_ldap_con(self.account.sub("$login", Net::LDAP::DN.escape(login)), password)
|
|
|
173
|
else
|
|
173
|
else
|
|
|
174
|
ldap_con = initialize_ldap_con(self.account, self.account_password)
|
|
174
|
ldap_con = initialize_ldap_con(self.account, self.account_password)
|
|
|
175
|
end
|
|
175
|
end
|
|
|
176
|
attrs = {}
|
|
176
|
attrs = {}
|
|
|
177
|
search_filter = base_filter & Net::LDAP::Filter.eq(self.attr_login, login)
|
|
177
|
search_filter = base_filter & Net::LDAP::Filter.eq(self.attr_login, login)
|
|
|
178
|
ldap_con.search( :base => self.base_dn,
|
|
178
|
ldap_con.search( :base => self.base_dn,
|
|
|
179
|
:filter => search_filter,
|
|
179
|
:filter => search_filter,
|
|
|
180
|
:attributes=> search_attributes) do |entry|
|
|
180
|
:attributes=> search_attributes) do |entry|
|
|
|
181
|
if onthefly_register?
|
|
181
|
if onthefly_register?
|
|
|
182
|
attrs = get_user_attributes_from_ldap_entry(entry)
|
|
182
|
attrs = get_user_attributes_from_ldap_entry(entry)
|
|
|
183
|
else
|
|
183
|
else
|
|
|
184
|
attrs = {:dn => entry.dn}
|
|
184
|
attrs = {:dn => entry.dn}
|
|
|
185
|
end
|
|
185
|
end
|
|
|
186
|
logger.debug "DN found for #{login}: #{attrs[:dn]}" if logger && logger.debug?
|
|
186
|
logger.debug "DN found for #{login}: #{attrs[:dn]}" if logger && logger.debug?
|
|
|
187
|
end
|
|
187
|
end
|
|
|
188
|
attrs
|
|
188
|
attrs
|
|
|
189
|
end
|
|
189
|
end
|
|
|
190
|
|
|
190
|
|
|
|
191
|
def self.get_attr(entry, attr_name)
|
|
191
|
def self.get_attr(entry, attr_name)
|
|
|
192
|
if !attr_name.blank?
|
|
192
|
if !attr_name.blank?
|
|
|
193
|
entry[attr_name].is_a?(Array) ? entry[attr_name].first : entry[attr_name]
|
|
193
|
entry[attr_name].is_a?(Array) ? entry[attr_name].first : entry[attr_name]
|
|
|
194
|
end
|
|
194
|
end
|
|
|
195
|
end
|
|
195
|
end
|
|
|
196
|
end
|
|
196
|
end
|
