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require 'digest/sha1'
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require 'foreman/threadsession'
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class User < ActiveRecord::Base
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include Authorization
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include Foreman::ThreadSession::UserModel
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include Taxonomix
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audited :except => [:last_login_on, :password, :password_hash, :password_salt, :password_confirmation]
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self.auditing_enabled = !defined?(Rake)
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attr_protected :password_hash, :password_salt, :admin
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attr_accessor :password, :password_confirmation, :editing_self
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belongs_to :auth_source
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has_many :auditable_changes, :class_name => '::Audit', :as => :user
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has_many :usergroup_member, :as => :member
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has_many :usergroups, :through => :usergroup_member
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has_many :direct_hosts, :as => :owner, :class_name => "Host"
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has_and_belongs_to_many :notices, :join_table => 'user_notices'
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has_many :user_roles
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has_many :roles, :through => :user_roles
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has_and_belongs_to_many :compute_resources, :join_table => "user_compute_resources"
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has_and_belongs_to_many :domains, :join_table => "user_domains"
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has_and_belongs_to_many :hostgroups, :join_table => "user_hostgroups"
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has_many :user_facts, :dependent => :destroy
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has_many :facts, :through => :user_facts, :source => :fact_name
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scope :except_admin, where(:admin => false)
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accepts_nested_attributes_for :user_facts, :reject_if => lambda { |a| a[:criteria].blank? }, :allow_destroy => true
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validates :mail, :format => { :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)*[a-z]{2,})$/i },
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:length => { :maximum => 60 },
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:allow_blank => true
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validates :mail, :presence => true, :on => :update
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validates_uniqueness_of :login, :message => "already exists"
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validates_presence_of :login, :auth_source_id
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validates_presence_of :password_hash, :if => Proc.new {|user| user.manage_password?}
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validates_confirmation_of :password, :if => Proc.new {|user| user.manage_password?}, :unless => Proc.new {|user| user.password.empty?}
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validates_format_of :login, :with => /^[a-z0-9_\-@\.]*$/i
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validates_length_of :login, :maximum => 30
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validates_format_of :firstname, :lastname, :with => /^[\w\s\'\-\.]*$/i, :allow_nil => true
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validates_length_of :firstname, :lastname, :maximum => 30, :allow_nil => true
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before_destroy EnsureNotUsedBy.new(:hosts), :ensure_admin_is_not_deleted
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validate :name_used_in_a_usergroup, :ensure_admin_is_not_renamed
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before_validation :prepare_password, :normalize_mail
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after_destroy Proc.new {|user| user.compute_resources.clear; user.domains.clear; user.hostgroups.clear}
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scoped_search :on => :login, :complete_value => :true
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scoped_search :on => :firstname, :complete_value => :true
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scoped_search :on => :lastname, :complete_value => :true
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scoped_search :on => :mail, :complete_value => :true
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scoped_search :on => :admin, :complete_value => {:true => true, :false => false}
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scoped_search :on => :last_login_on, :complete_value => :true
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scoped_search :in => :roles, :on => :name, :rename => :role, :complete_value => true
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default_scope lambda {
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with_taxonomy_scope do
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order('firstname')
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end
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}
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def to_label
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"#{firstname} #{lastname}"
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end
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alias_method :name, :to_label
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def to_param
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"#{id}-#{login.parameterize}"
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end
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def <=>(other)
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self.name.downcase <=> other.name.downcase
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end
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# The text item to see in a select dropdown menu
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def select_title
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to_label + " (#{login})"
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end
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def self.create_admin
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email = Setting[:administrator]
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user = User.new(:login => "admin", :firstname => "Admin", :lastname => "User",
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:mail => email, :auth_source => AuthSourceInternal.first, :password => "changeme")
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user.update_attribute :admin, true
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old_current = User.current
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User.current = user
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user.save!
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user
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ensure
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User.current = old_current
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end
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def self.admin
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find_by_login 'admin' or create_admin
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end
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# Tries to find the user in the DB and then authenticate against their authentication source
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# If the user is not in the DB then try to login the user on each available authentication source
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# If this succeeds then copy the user's details from the authentication source into the User table
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# Returns : User object OR nil
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def self.try_to_login(login, password)
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# Make sure no one can sign in with an empty password
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return nil if password.to_s.empty?
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# user is already in local database
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if (user = find_by_login(login))
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# user has an authentication method and the authentication was successful
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if user.auth_source and user.auth_source.authenticate(login, password)
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logger.debug "Authenticated user #{user} against #{user.auth_source} authentication source"
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else
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logger.debug "Failed to authenticate #{user} against #{user.auth_source} authentication source"
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user = nil
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end
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else
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user = try_to_auto_create_user(login, password)
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end
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if user
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as "admin" do
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user.update_attribute(:last_login_on, Time.now.utc)
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anonymous = Role.find_by_name("Anonymous")
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user.roles << anonymous unless user.roles.include?(anonymous)
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User.current = user
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end
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else
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logger.info "invalid user"
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User.current = nil
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end
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user
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end
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def matching_password?(pass)
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self.password_hash == encrypt_password(pass)
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end
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def my_usergroups
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all_groups = []
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for usergroup in usergroups
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all_groups += usergroup.all_usergroups
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end
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all_groups.uniq
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end
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def indirect_hosts
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my_usergroups.map{|g| g.hosts}.flatten.uniq
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end
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def hosts
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direct_hosts + indirect_hosts
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end
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def recipients
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[mail]
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end
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def manage_password?
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auth_source and auth_source.can_set_password?
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end
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# Return true if the user is allowed to do the specified action
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# action can be:
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# * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
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# * a permission Symbol (eg. :edit_project)
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def allowed_to?(action, options={})
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return true if admin?
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return true if editing_self
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roles.detect {|role| role.allowed_to?(action)}.present?
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end
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def logged?
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true
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end
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# Indicates whether the user has host filtering enabled
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# Returns : Boolean
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def filtering?
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filter_on_owner or
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compute_resources.any? or
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domains.any? or
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hostgroups.any? or
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facts.any? or
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locations.any? or
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organizations.any?
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end
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private
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def prepare_password
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unless password.blank?
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self.password_salt = Digest::SHA1.hexdigest([Time.now, rand].join)
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self.password_hash = encrypt_password(password)
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end
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end
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def encrypt_password(pass)
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Digest::SHA1.hexdigest([pass, password_salt].join)
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end
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def self.try_to_auto_create_user(login, password)
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return nil if login.blank? or password.blank?
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# user is not yet registered, try to authenticate with available sources
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if (attrs = AuthSource.authenticate(login, password))
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user = new(attrs)
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user.login = login
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# The default user can't auto create users, we need to change to Admin for this to work
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User.as "admin" do
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if user.save
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logger.info "User '#{user.login}' auto-created from #{user.auth_source}"
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else
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logger.info "Failed to save User '#{user.login}' #{user.errors.full_messages}"
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user = nil
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end
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end
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user
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end
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end
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def normalize_mail
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self.mail.gsub!(/\s/,'') unless mail.blank?
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end
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protected
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def name_used_in_a_usergroup
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if Usergroup.all.map(&:name).include?(self.login)
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errors.add :base, "A usergroup already exists with this name"
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end
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end
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# The internal Admin Account is always available
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# this is required as when not using external authentication, the systems logs you in with the
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# admin account automatically
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def ensure_admin_is_not_deleted
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if login == "admin"
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errors.add :base, "Can't delete internal admin account"
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logger.warn "Unable to delete internal admin account"
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false
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end
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end
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def ensure_admin_is_not_renamed
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if login_changed? and login_was == "admin"
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errors.add :login, "Can't rename internal protected <b>admin</b> account to #{login}".html_safe
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end
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end
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end
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