# Redmine - project management software # Copyright (C) 2006-2009 Jean-Philippe Lang # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. require "digest/sha1" class User < Principal include Redmine::SafeAttributes # Account statuses STATUS_ANONYMOUS = 0 STATUS_ACTIVE = 1 STATUS_REGISTERED = 2 STATUS_LOCKED = 3 USER_FORMATS = { :firstname_lastname => '#{firstname} #{lastname}', :firstname => '#{firstname}', :lastname_firstname => '#{lastname} #{firstname}', :lastname_coma_firstname => '#{lastname}, #{firstname}', :username => '#{login}' } MAIL_NOTIFICATION_OPTIONS = [ ['all', :label_user_mail_option_all], ['selected', :label_user_mail_option_selected], ['only_my_events', :label_user_mail_option_only_my_events], ['only_assigned', :label_user_mail_option_only_assigned], ['only_owner', :label_user_mail_option_only_owner], ['none', :label_user_mail_option_none] ] has_and_belongs_to_many :groups, :after_add => Proc.new {|user, group| group.user_added(user)}, :after_remove => Proc.new {|user, group| group.user_removed(user)} has_many :issue_categories, :foreign_key => 'assigned_to_id', :dependent => :nullify has_many :changesets, :dependent => :nullify has_one :preference, :dependent => :destroy, :class_name => 'UserPreference' has_one :rss_token, :class_name => 'Token', :conditions => "action='feeds'" has_one :api_token, :class_name => 'Token', :conditions => "action='api'" belongs_to :auth_source # Active non-anonymous users scope named_scope :active, :conditions => "#{User.table_name}.status = #{STATUS_ACTIVE}" acts_as_customizable attr_accessor :password, :password_confirmation attr_accessor :last_before_login_on # Prevents unauthorized assignments attr_protected :login, :admin, :password, :password_confirmation, :hashed_password validates_presence_of :login, :firstname, :lastname, :mail, :if => Proc.new { |user| !user.is_a?(AnonymousUser) } validates_uniqueness_of :login, :if => Proc.new { |user| !user.login.blank? }, :case_sensitive => false validates_uniqueness_of :mail, :if => Proc.new { |user| !user.mail.blank? }, :case_sensitive => false # Login must contain lettres, numbers, underscores only validates_format_of :login, :with => /^[a-z0-9_\-@\.]*$/i validates_length_of :login, :maximum => 30 validates_length_of :firstname, :lastname, :maximum => 30 validates_format_of :mail, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i, :allow_nil => true validates_length_of :mail, :maximum => 60, :allow_nil => true validates_confirmation_of :password, :allow_nil => true validates_inclusion_of :mail_notification, :in => MAIL_NOTIFICATION_OPTIONS.collect(&:first), :allow_blank => true before_destroy :remove_references_before_destroy def before_create self.mail_notification = Setting.default_notification_option if self.mail_notification.blank? true end def before_save # update hashed_password if password was set self.hashed_password = User.hash_password(self.password) if self.password && self.auth_source_id.blank? end def reload(*args) @name = nil super end def mail=(arg) write_attribute(:mail, arg.to_s.strip) end def identity_url=(url) if url.blank? write_attribute(:identity_url, '') else begin write_attribute(:identity_url, OpenIdAuthentication.normalize_identifier(url)) rescue OpenIdAuthentication::InvalidOpenId # Invlaid url, don't save end end self.read_attribute(:identity_url) end # Returns the user that matches provided login and password, or nil def self.try_to_login(login, password) # Make sure no one can sign in with an empty password return nil if password.to_s.empty? user = find_by_login(login) if user # user is already in local database return nil if !user.active? if user.auth_source # user has an external authentication method return nil unless user.auth_source.authenticate(login, password) else # authentication with local password return nil unless User.hash_password(password) == user.hashed_password end else # user is not yet registered, try to authenticate with available sources attrs = AuthSource.authenticate(login, password) if attrs user = new(attrs) user.login = login user.language = Setting.default_language if user.save user.reload logger.info("User '#{user.login}' created from external auth source: #{user.auth_source.type} - #{user.auth_source.name}") if logger && user.auth_source end end end user.update_attribute(:last_login_on, Time.now) if user && !user.new_record? user rescue => text raise text end # Returns the user who matches the given autologin +key+ or nil def self.try_to_autologin(key) tokens = Token.find_all_by_action_and_value('autologin', key) # Make sure there's only 1 token that matches the key if tokens.size == 1 token = tokens.first if (token.created_on > Setting.autologin.to_i.day.ago) && token.user && token.user.active? token.user.update_attribute(:last_login_on, Time.now) token.user end end end # Return user's full name for display def name(formatter = nil) if formatter eval('"' + (USER_FORMATS[formatter] || USER_FORMATS[:firstname_lastname]) + '"') else @name ||= eval('"' + (USER_FORMATS[Setting.user_format] || USER_FORMATS[:firstname_lastname]) + '"') end end def active? self.status == STATUS_ACTIVE end def registered? self.status == STATUS_REGISTERED end def locked? self.status == STATUS_LOCKED end def activate self.status = STATUS_ACTIVE end def register self.status = STATUS_REGISTERED end def lock self.status = STATUS_LOCKED end def activate! update_attribute(:status, STATUS_ACTIVE) end def register! update_attribute(:status, STATUS_REGISTERED) end def lock! update_attribute(:status, STATUS_LOCKED) end def check_password?(clear_password) if auth_source_id.present? auth_source.authenticate(self.login, clear_password) else User.hash_password(clear_password) == self.hashed_password end end # Does the backend storage allow this user to change their password? def change_password_allowed? return true if auth_source_id.blank? return auth_source.allow_password_changes? end # Generate and set a random password. Useful for automated user creation # Based on Token#generate_token_value # def random_password chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a password = '' 40.times { |i| password << chars[rand(chars.size-1)] } self.password = password self.password_confirmation = password self end def pref self.preference ||= UserPreference.new(:user => self) end def time_zone @time_zone ||= (self.pref.time_zone.blank? ? nil : ActiveSupport::TimeZone[self.pref.time_zone]) end def wants_comments_in_reverse_order? self.pref[:comments_sorting] == 'desc' end # Return user's RSS key (a 40 chars long string), used to access feeds def rss_key token = self.rss_token || Token.create(:user => self, :action => 'feeds') token.value end # Return user's API key (a 40 chars long string), used to access the API def api_key token = self.api_token || self.create_api_token(:action => 'api') token.value end # Return an array of project ids for which the user has explicitly turned mail notifications on def notified_projects_ids @notified_projects_ids ||= memberships.select {|m| m.mail_notification?}.collect(&:project_id) end def notified_project_ids=(ids) Member.update_all("mail_notification = #{connection.quoted_false}", ['user_id = ?', id]) Member.update_all("mail_notification = #{connection.quoted_true}", ['user_id = ? AND project_id IN (?)', id, ids]) if ids && !ids.empty? @notified_projects_ids = nil notified_projects_ids end # Only users that belong to more than 1 project can select projects for which they are notified def valid_notification_options # Note that @user.membership.size would fail since AR ignores # :include association option when doing a count if memberships.length < 1 MAIL_NOTIFICATION_OPTIONS.delete_if {|option| option.first == 'selected'} else MAIL_NOTIFICATION_OPTIONS end end # Find a user account by matching the exact login and then a case-insensitive # version. Exact matches will be given priority. def self.find_by_login(login) # force string comparison to be case sensitive on MySQL type_cast = (ActiveRecord::Base.connection.adapter_name == 'MySQL') ? 'BINARY' : '' # First look for an exact match user = first(:conditions => ["#{type_cast} login = ?", login]) # Fail over to case-insensitive if none was found user ||= first(:conditions => ["#{type_cast} LOWER(login) = ?", login.to_s.downcase]) end def self.find_by_rss_key(key) token = Token.find_by_value(key) token && token.user.active? ? token.user : nil end def self.find_by_api_key(key) token = Token.find_by_action_and_value('api', key) token && token.user.active? ? token.user : nil end # Makes find_by_mail case-insensitive def self.find_by_mail(mail) find(:first, :conditions => ["LOWER(mail) = ?", mail.to_s.downcase]) end def to_s name end # Returns the current day according to user's time zone def today if time_zone.nil? Date.today else Time.now.in_time_zone(time_zone).to_date end end def logged? true end def anonymous? !logged? end # Return user's roles for project def roles_for_project(project) roles = [] # No role on archived projects return roles unless project && project.active? if logged? # Find project membership membership = memberships.detect {|m| m.project_id == project.id} if membership roles = membership.roles else @role_non_member ||= Role.non_member roles << @role_non_member end else @role_anonymous ||= Role.anonymous roles << @role_anonymous end roles end # Return true if the user is a member of project def member_of?(project) !roles_for_project(project).detect {|role| role.member?}.nil? end # Return true if the user is allowed to do the specified action on a specific context # Action can be: # * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit') # * a permission Symbol (eg. :edit_project) # Context can be: # * a project : returns true if user is allowed to do the specified action on this project # * a group of projects : returns true if user is allowed on every project # * nil with options[:global] set : check if user has at least one role allowed for this action, # or falls back to Non Member / Anonymous permissions depending if the user is logged def allowed_to?(action, context, options={}) if context && context.is_a?(Project) # No action allowed on archived projects return false unless context.active? # No action allowed on disabled modules return false unless context.allows_to?(action) # Admin users are authorized for anything else return true if admin? roles = roles_for_project(context) return false unless roles roles.detect {|role| (context.is_public? || role.member?) && role.allowed_to?(action)} elsif context && context.is_a?(Array) # Authorize if user is authorized on every element of the array context.map do |project| allowed_to?(action,project,options) end.inject do |memo,allowed| memo && allowed end elsif options[:global] # Admin users are always authorized return true if admin? # authorize if user has at least one role that has this permission roles = memberships.collect {|m| m.roles}.flatten.uniq roles.detect {|r| r.allowed_to?(action)} || (self.logged? ? Role.non_member.allowed_to?(action) : Role.anonymous.allowed_to?(action)) else false end end # Is the user allowed to do the specified action on any project? # See allowed_to? for the actions and valid options. def allowed_to_globally?(action, options) allowed_to?(action, nil, options.reverse_merge(:global => true)) end safe_attributes 'login', 'firstname', 'lastname', 'mail', 'mail_notification', 'language', 'custom_field_values', 'custom_fields', 'identity_url' safe_attributes 'status', 'auth_source_id', :if => lambda {|user, current_user| current_user.admin?} safe_attributes 'group_ids', :if => lambda {|user, current_user| current_user.admin? && !user.new_record?} # Utility method to help check if a user should be notified about an # event. # # TODO: only supports Issue events currently def notify_about?(object) case mail_notification when 'all' true when 'selected' # Handled by the Project when 'none' false when 'only_my_events' if object.is_a?(Issue) && (object.author == self || object.assigned_to == self) true else false end when 'only_assigned' if object.is_a?(Issue) && object.assigned_to == self true else false end when 'only_owner' if object.is_a?(Issue) && object.author == self true else false end else false end end def self.current=(user) @current_user = user end def self.current @current_user ||= User.anonymous end # Returns the anonymous user. If the anonymous user does not exist, it is created. There can be only # one anonymous user per database. def self.anonymous anonymous_user = AnonymousUser.find(:first) if anonymous_user.nil? anonymous_user = AnonymousUser.create(:lastname => 'Anonymous', :firstname => '', :mail => '', :login => '', :status => 0) raise 'Unable to create the anonymous user.' if anonymous_user.new_record? end anonymous_user end protected def validate # Password length validation based on setting if !password.nil? && password.size < Setting.password_min_length.to_i errors.add(:password, :too_short, :count => Setting.password_min_length.to_i) end end private # Removes references that are not handled by associations # Things that are not deleted are reassociated with the anonymous user def remove_references_before_destroy return if self.id.nil? substitute = User.anonymous Attachment.update_all ['author_id = ?', substitute.id], ['author_id = ?', id] Comment.update_all ['author_id = ?', substitute.id], ['author_id = ?', id] Issue.update_all ['author_id = ?', substitute.id], ['author_id = ?', id] Issue.update_all 'assigned_to_id = NULL', ['assigned_to_id = ?', id] Journal.update_all ['user_id = ?', substitute.id], ['user_id = ?', id] JournalDetail.update_all ['old_value = ?', substitute.id.to_s], ["property = 'attr' AND prop_key = 'assigned_to_id' AND old_value = ?", id.to_s] JournalDetail.update_all ['value = ?', substitute.id.to_s], ["property = 'attr' AND prop_key = 'assigned_to_id' AND value = ?", id.to_s] Message.update_all ['author_id = ?', substitute.id], ['author_id = ?', id] News.update_all ['author_id = ?', substitute.id], ['author_id = ?', id] # Remove private queries and keep public ones Query.delete_all ['user_id = ? AND is_public = ?', id, false] Query.update_all ['user_id = ?', substitute.id], ['user_id = ?', id] TimeEntry.update_all ['user_id = ?', substitute.id], ['user_id = ?', id] Token.delete_all ['user_id = ?', id] Watcher.delete_all ['user_id = ?', id] WikiContent.update_all ['author_id = ?', substitute.id], ['author_id = ?', id] WikiContent::Version.update_all ['author_id = ?', substitute.id], ['author_id = ?', id] end # Return password digest def self.hash_password(clear_password) Digest::SHA1.hexdigest(clear_password || "") end end class AnonymousUser < User def validate_on_create # There should be only one AnonymousUser in the database errors.add_to_base 'An anonymous user already exists.' if AnonymousUser.find(:first) end def available_custom_fields [] end # Overrides a few properties def logged?; false end def admin; false end def name(*args); I18n.t(:label_user_anonymous) end def mail; nil end def time_zone; nil end def rss_key; nil end # Anonymous user can not be destroyed def destroy false end end