Redmine/app/models/user.rb

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# redMine - project management software
# Copyright (C) 2006-2007 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 < ActiveRecord::Base
# 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}'
}
has_many :memberships, :class_name => 'Member', :include => [ :project, :role ], :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}", :order => "#{Project.table_name}.name", :dependent => :delete_all
has_many :projects, :through => :memberships
has_many :custom_values, :dependent => :delete_all, :as => :customized
has_many :issue_categories, :foreign_key => 'assigned_to_id', :dependent => :nullify
has_one :preference, :dependent => :destroy, :class_name => 'UserPreference'
has_one :rss_token, :dependent => :destroy, :class_name => 'Token', :conditions => "action='feeds'"
belongs_to :auth_source
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? }
validates_uniqueness_of :mail, :if => Proc.new { |user| !user.mail.blank? }
# Login must contain lettres, numbers, underscores only
validates_format_of :login, :with => /^[a-z0-9_\-@\.]*$/i
validates_length_of :login, :maximum => 30
validates_format_of :firstname, :lastname, :with => /^[\w\s\'\-]*$/i
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_length_of :password, :minimum => 4, :allow_nil => true
validates_confirmation_of :password, :allow_nil => true
validates_associated :custom_values, :on => :update
def before_create
self.mail_notification = false
true
end
def before_save
# update hashed_password if password was set
self.hashed_password = User.hash_password(self.password) if self.password
end
def self.active
with_scope :find => { :conditions => [ "status = ?", STATUS_ACTIVE ] } do
yield
end
end
def self.find_active(*args)
active do
find(*args)
end
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(:first, :conditions => ["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
onthefly = new(*attrs)
onthefly.login = login
onthefly.language = Setting.default_language
if onthefly.save
user = find(:first, :conditions => ["login=?", login])
logger.info("User '#{user.login}' created on the fly.") if logger
end
end
end
user.update_attribute(:last_login_on, Time.now) if user
user
rescue => text
raise text
end
# Return user's full name for display
def name(formatter = nil)
f = USER_FORMATS[formatter || Setting.user_format] || USER_FORMATS[:firstname_lastname]
eval '"' + f + '"'
end
def active?
self.status == STATUS_ACTIVE
end
def registered?
self.status == STATUS_REGISTERED
end
def locked?
self.status == STATUS_LOCKED
end
def check_password?(clear_password)
User.hash_password(clear_password) == self.hashed_password
end
def pref
self.preference ||= UserPreference.new(:user => self)
end
def time_zone
self.pref.time_zone.nil? ? nil : 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 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
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_autologin_key(key)
token = Token.find_by_action_and_value('autologin', key)
token && (token.created_on > Setting.autologin.to_i.day.ago) && token.user.active? ? token.user : nil
end
def <=>(user)
if user.nil?
-1
elsif lastname.to_s.downcase == user.lastname.to_s.downcase
firstname.to_s.downcase <=> user.firstname.to_s.downcase
else
lastname.to_s.downcase <=> user.lastname.to_s.downcase
end
end
def to_s
name
end
def logged?
true
end
# Return user's role for project
def role_for_project(project)
# No role on archived projects
return nil unless project && project.active?
if logged?
# Find project membership
membership = memberships.detect {|m| m.project_id == project.id}
if membership
membership.role
else
@role_non_member ||= Role.non_member
end
else
@role_anonymous ||= Role.anonymous
end
end
# Return true if the user is a member of project
def member_of?(project)
role_for_project(project).member?
end
# Return true if the user is allowed to do the specified action on project
# action can be:
# * a parameter-like Hash (eg. :controller => 'projects', :action => 'edit')
# * a permission Symbol (eg. :edit_project)
def allowed_to?(action, project, options={})
if project
# No action allowed on archived projects
return false unless project.active?
# No action allowed on disabled modules
return false unless project.allows_to?(action)
# Admin users are authorized for anything else
return true if admin?
role = role_for_project(project)
return false unless role
role.allowed_to?(action) && (project.is_public? || role.member?)
elsif options[:global]
# authorize if user has at least one role that has this permission
roles = memberships.collect {|m| m.role}.uniq
roles.detect {|r| r.allowed_to?(action)}
else
false
end
end
def self.current=(user)
@current_user = user
end
def self.current
@current_user ||= User.anonymous
end
def self.anonymous
return @anonymous_user if @anonymous_user
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 = anonymous_user
end
private
# 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
# Overrides a few properties
def logged?; false end
def admin; false end
def name; 'Anonymous' end
def mail; nil end
def time_zone; nil end
def rss_key; nil end
end