OpenProject is the leading open source project management software.
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openproject/app/models/user.rb

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#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
#
# Copyright (C) 2012-2013 the OpenProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
require "digest/sha1"
class User < Principal
include Redmine::SafeAttributes
# Account statuses
# Code accessing the keys assumes they are ordered, which they are since Ruby 1.9
STATUSES = {
:builtin => 0,
:active => 1,
:registered => 2,
:locked => 3
}
USER_FORMATS_STRUCTURE = {
:firstname_lastname => [:firstname, :lastname],
:firstname => [:firstname],
:lastname_firstname => [:lastname, :firstname],
:lastname_coma_firstname => [:lastname, :firstname],
:username => [:login]
}
def self.user_format_structure_to_format(key, delimiter = " ")
USER_FORMATS_STRUCTURE[key].map{|elem| "\#{#{elem.to_s}}"}.join(delimiter)
end
USER_FORMATS = {
:firstname_lastname => User.user_format_structure_to_format(:firstname_lastname, " "),
:firstname => User.user_format_structure_to_format(:firstname),
:lastname_firstname => User.user_format_structure_to_format(:lastname_firstname, " "),
:lastname_coma_firstname => User.user_format_structure_to_format(:lastname_coma_firstname, ", "),
:username => User.user_format_structure_to_format(:username)
}
USER_MAIL_OPTION_ALL = ['all', :label_user_mail_option_all]
USER_MAIL_OPTION_SELECTED = ['selected', :label_user_mail_option_selected]
USER_MAIL_OPTION_ONLY_MY_EVENTS = ['only_my_events', :label_user_mail_option_only_my_events]
USER_MAIL_OPTION_ONLY_ASSIGNED = ['only_assigned', :label_user_mail_option_only_assigned]
USER_MAIL_OPTION_ONLY_OWNER = ['only_owner', :label_user_mail_option_only_owner]
USER_MAIL_OPTION_NON = ['none', :label_user_mail_option_none]
MAIL_NOTIFICATION_OPTIONS = [
USER_MAIL_OPTION_ALL,
USER_MAIL_OPTION_SELECTED,
USER_MAIL_OPTION_ONLY_MY_EVENTS,
USER_MAIL_OPTION_ONLY_ASSIGNED,
USER_MAIL_OPTION_ONLY_OWNER,
USER_MAIL_OPTION_NON
]
has_many :group_users
has_many :groups, :through => :group_users,
: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 :assigned_issues, :foreign_key => 'assigned_to_id',
:class_name => 'Issue',
:dependent => :nullify
has_many :watches, :class_name => 'Watcher',
:dependent => :delete_all
has_many :changesets, :dependent => :nullify
has_many :passwords, :class_name => 'UserPassword',
:order => 'id DESC',
:readonly => true,
:dependent => :destroy,
:inverse_of => :user
has_one :preference, :dependent => :destroy, :class_name => 'UserPreference'
has_one :rss_token, :dependent => :destroy, :class_name => 'Token', :conditions => "action='feeds'"
has_one :api_token, :dependent => :destroy, :class_name => 'Token', :conditions => "action='api'"
belongs_to :auth_source
# TODO: this is from Principal. the inheritance doesn't work correctly
# note: it doesn't fail in development mode
# see: https://github.com/rails/rails/issues/3847
has_many :members, :foreign_key => 'user_id', :dependent => :destroy
has_many :memberships, :class_name => 'Member', :foreign_key => 'user_id', :include => [ :project, :roles ], :conditions => "#{Project.table_name}.status=#{Project::STATUS_ACTIVE}", :order => "#{Project.table_name}.name"
has_many :projects, :through => :memberships
# Active non-anonymous users scope
scope :active, :conditions => "#{User.table_name}.status = #{STATUSES[:active]}"
scope :active_or_registered, :conditions =>
"#{User.table_name}.status = #{STATUSES[:active]} or " +
"#{User.table_name}.status = #{STATUSES[:registered]}"
scope :not_builtin,
:conditions => "#{User.table_name}.status <> #{STATUSES[:builtin]}"
# Users blocked via brute force prevention
# use lambda here, so time is evaluated on each query
scope :blocked, lambda { create_blocked_scope(true) }
scope :not_blocked, lambda { create_blocked_scope(false) }
def self.create_blocked_scope(blocked)
block_duration = Setting.brute_force_block_minutes.to_i.minutes
blocked_if_login_since = Time.now - block_duration
negation = blocked ? '' : 'NOT'
where("#{negation} (failed_login_count >= ? AND last_failed_login_on > ?)",
Setting.brute_force_block_after_failed_logins.to_i,
blocked_if_login_since)
end
acts_as_customizable
attr_accessor :password, :password_confirmation
attr_accessor :last_before_login_on
# Prevents unauthorized assignments
attr_protected :login, :admin, :password, :password_confirmation
validates_presence_of :login,
:firstname,
:lastname,
:mail,
:unless => Proc.new { |user| user.is_a?(AnonymousUser) || user.is_a?(DeletedUser) || user.is_a?(SystemUser) }
validates_uniqueness_of :login, :if => Proc.new { |user| !user.login.blank? }, :case_sensitive => false
validates_uniqueness_of :mail, :allow_blank => true, :case_sensitive => false
# Login must contain lettres, numbers, underscores only
validates_format_of :login, :with => /^[a-z0-9_\-@\.]*$/i
validates_length_of :login, :maximum => 256
validates_length_of :firstname, :lastname, :maximum => 30
validates_format_of :mail, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i, :allow_blank => 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
validate :password_meets_requirements
after_save :update_password
before_create :sanitize_mail_notification_setting
before_destroy :delete_associated_public_queries
before_destroy :reassign_associated
scope :in_group, lambda {|group|
group_id = group.is_a?(Group) ? group.id : group.to_i
{ :conditions => ["#{User.table_name}.id IN (SELECT gu.user_id FROM #{table_name_prefix}group_users#{table_name_suffix} gu WHERE gu.group_id = ?)", group_id] }
}
scope :not_in_group, lambda {|group|
group_id = group.is_a?(Group) ? group.id : group.to_i
{ :conditions => ["#{User.table_name}.id NOT IN (SELECT gu.user_id FROM #{table_name_prefix}group_users#{table_name_suffix} gu WHERE gu.group_id = ?)", group_id] }
}
scope :admin, :conditions => { :admin => true }
def sanitize_mail_notification_setting
self.mail_notification = Setting.default_notification_option if self.mail_notification.blank?
true
end
def current_password
self.passwords.first
end
def password_expired?
current_password.expired?
end
# create new password if password was set
def update_password
if password && auth_source_id.blank?
new_password = passwords.build()
new_password.plain_password = password
new_password.save
# force reload of passwords, so the new password is sorted to the top
passwords(true)
clean_up_former_passwords
end
end
def reload(*args)
@name = nil
@projects_by_role = 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
def self.register_allowance_evaluator(filter)
self.registered_allowance_evaluators ||= []
registered_allowance_evaluators << filter
end
# replace by class_attribute when on rails 3.x
class_eval do
def self.registered_allowance_evaluators() nil end
def self.registered_allowance_evaluators=(val)
singleton_class.class_eval do
define_method(:registered_allowance_evaluators) do
val
end
end
end
end
register_allowance_evaluator ChiliProject::PrincipalAllowanceEvaluator::Default
# 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)
user = if user
try_authentication_for_existing_user(user, password)
else
try_authentication_and_create_user(login, password)
end
unless prevent_brute_force_attack(user, login).nil?
user.update_attribute(:last_login_on, Time.now) if user && !user.new_record?
return user
end
nil
end
# Tries to authenticate a user in the database via external auth source
# or password stored in the database
def self.try_authentication_for_existing_user(user, password)
return nil if !user.active?
if user.auth_source
# user has an external authentication method
return nil unless user.auth_source.authenticate(user.login, password)
else
# authentication with local password
return nil unless user.check_password?(password)
return nil if user.force_password_change
return nil if user.password_expired?
end
user
end
# Tries to authenticate with available sources and creates user on success
def self.try_authentication_and_create_user(login, password)
user = nil
attrs = AuthSource.authenticate(login, password)
if attrs
# login is both safe and protected in chilis core code
# in case it's intentional we keep it that way
user = new(attrs.except(:login))
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
user
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 status_name
STATUSES.keys[self.status].to_s
end
def active?
self.status == STATUSES[:active]
end
def registered?
self.status == STATUSES[:registered]
end
def locked?
self.status == STATUSES[:locked]
end
def activate
self.status = STATUSES[:active]
end
def register
self.status = STATUSES[:registered]
end
def lock
self.status = STATUSES[:locked]
end
def activate!
update_attribute(:status, STATUSES[:active])
end
def register!
update_attribute(:status, STATUSES[:registered])
end
def lock!
update_attribute(:status, STATUSES[:locked])
end
# Returns true if +clear_password+ is the correct user's password, otherwise false
def check_password?(clear_password)
if auth_source_id.present?
auth_source.authenticate(self.login, clear_password)
else
return false if current_password.nil?
current_password.same_as_plain_password?(clear_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.
#
# Also force a password change on the next login, since random passwords
# are at some point given to the user, we do this via email. These passwords
# are stored unencrypted in mail accounts, so they must only be valid for
# a short time.
def random_password!
self.password = OpenProject::Passwords::Generator.random_password
self.password_confirmation = self.password
self.force_password_change = true
self
end
##
# Brute force prevention - public instance methods
#
def failed_too_many_recent_login_attempts?
block_threshold = Setting.brute_force_block_after_failed_logins.to_i
return false if block_threshold == 0 # disabled
return (last_failed_login_within_block_time? and
self.failed_login_count >= block_threshold)
end
def log_failed_login
log_failed_login_count
log_failed_login_timestamp
save
end
def pref
preference || build_preference
end
def time_zone
@time_zone ||= (self.pref.time_zone.blank? ? nil : ActiveSupport::TimeZone[self.pref.time_zone])
end
def impaired=(value)
self.pref.update_attribute(:impaired, !!value)
!!value
end
def impaired
anonymous? || !!self.pref.impaired
end
def impaired?
impaired
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
def valid_notification_options
self.class.valid_notification_options(self)
end
# Only users that belong to more than 1 project can select projects for which they are notified
def self.valid_notification_options(user=nil)
# Note that @user.membership.size would fail since AR ignores
# :include association option when doing a count
if user.nil? || user.memberships.length < 1
MAIL_NOTIFICATION_OPTIONS.reject {|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 = (ChiliProject::Database.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? && Setting.feeds_enabled? ? 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 self.find_all_by_mails(mails)
find(:all, :conditions => ['LOWER(mail) IN (?)', mails])
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
# Cheap version of Project.visible.count
def number_of_known_projects
if admin?
Project.count
else
Project.public.count + memberships.size
end
end
# Return true if the user is a member of project
def member_of?(project)
roles_for_project(project).any?(&:member?)
end
# Returns a hash of user's projects grouped by roles
def projects_by_role
return @projects_by_role if @projects_by_role
@projects_by_role = Hash.new {|h,k| h[k]=[]}
memberships.each do |membership|
membership.roles.each do |role|
@projects_by_role[role] << membership.project if membership.project
end
end
@projects_by_role.each do |role, projects|
projects.uniq!
end
@projects_by_role
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 action.is_a?(Hash) && action[:controller] && action[:controller].to_s.starts_with?("/")
action = action.dup
action[:controller] = action[:controller][1..-1]
end
if context.is_a?(Project)
allowed_to_in_project?(action, context, options)
elsif context.is_a?(Array)
# Authorize if user is authorized on every element of the array
context.present? && context.all? do |project|
allowed_to?(action,project,options)
end
elsif options[:global]
allowed_to_globally?(action, options)
else
false
end
end
def allowed_to_in_project?(action, project, options = {})
initialize_allowance_evaluators
# 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?
candidates_for_project_allowance(project).any? do |candidate|
denied = @registered_allowance_evaluators.any? do |filter|
filter.denied_for_project? candidate, action, project, options
end
!denied && @registered_allowance_evaluators.any? do |filter|
filter.granted_for_project? candidate, action, project, options
end
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 = {})
# Admin users are always authorized
return true if admin?
initialize_allowance_evaluators
# authorize if user has at least one membership granting this permission
candidates_for_global_allowance.any? do |candidate|
denied = @registered_allowance_evaluators.any? do |evaluator|
evaluator.denied_for_global? candidate, action, options
end
!denied && @registered_allowance_evaluators.any? do |evaluator|
evaluator.granted_for_global? candidate, action, options
end
end
end
# These are also implemented as strong_parameters, so also see
# app/modles/permitted_params.rb
# Delete these if everything in the UsersController uses strong_parameters.
safe_attributes 'firstname', 'lastname', 'mail', 'mail_notification', 'language',
'custom_field_values', 'custom_fields', 'identity_url'
safe_attributes 'auth_source_id', 'force_password_change',
: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'
# user receives notifications for created/assigned issues on unselected projects
if object.is_a?(Issue) && (object.author == self || object.assigned_to == self)
true
else
false
end
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.new.tap do |u|
u.lastname = 'Anonymous'
u.login = ''
u.firstname = ''
u.mail = ''
u.status = 0
end).save
raise 'Unable to create the anonymous user.' if anonymous_user.new_record?
end
anonymous_user
end
def self.system
system_user = SystemUser.find(:first)
if system_user.nil?
(system_user = SystemUser.new.tap do |u|
u.lastname = 'System'
u.login = ''
u.firstname = ''
u.mail = ''
u.admin = false
u.status = User::STATUSES[:locked]
u.first_login = false
u.random_password!
end).save
raise 'Unable to create the automatic migration user.' if system_user.new_record?
end
system_user
end
def latest_news(options = {})
News.latest_for self, options
end
def latest_projects(options = {})
Project.latest_for self, options
end
protected
# Password requirement validation based on settings
def password_meets_requirements
# Passwords are stored hashed as UserPasswords,
# self.password is only set when it was changed after the last
# save. Otherwise, password is nil.
unless password.nil? or anonymous?
password_errors = OpenProject::Passwords::Evaluator.errors_for_password(self.password)
password_errors.each { |error| errors.add(:password, error)}
if former_passwords_include?(self.password)
errors.add(:password,
I18n.t(:reused,
:count => Setting[:password_count_former_banned].to_i,
:scope => [:activerecord,
:errors,
:models,
:user,
:attributes,
:password]))
end
end
end
private
def initialize_allowance_evaluators
@registered_allowance_evaluators ||= self.class.registered_allowance_evaluators.collect do |evaluator|
evaluator.new(self)
end
end
def candidates_for_global_allowance
@registered_allowance_evaluators.map(&:global_granting_candidates).flatten.uniq
end
def candidates_for_project_allowance project
@registered_allowance_evaluators.map{ |f| f.project_granting_candidates(project) }.flatten.uniq
end
def former_passwords_include?(password)
return false if Setting[:password_count_former_banned].to_i == 0
ban_count = Setting[:password_count_former_banned].to_i
# make reducing the number of banned former passwords immediately effective
# by only checking this number of former passwords
passwords[0, ban_count].any?{ |f| f.same_as_plain_password?(password) }
end
def clean_up_former_passwords
# minimum 1 to keep the actual user password
keep_count = [1, Setting[:password_count_former_banned].to_i].max
(passwords[keep_count..-1] || []).each { |p| p.destroy }
end
def reassign_associated
substitute = DeletedUser.first
[Issue, Attachment, WikiContent, News, Comment, Message].each do |klass|
klass.update_all ['author_id = ?', substitute.id], ['author_id = ?', id]
end
[TimeEntry, Journal, ::Query].each do |klass|
klass.update_all ['user_id = ?', substitute.id], ['user_id = ?', id]
end
JournalManager.update_user_references id, substitute.id
end
def delete_associated_public_queries
::Query.delete_all ['user_id = ? AND is_public = ?', id, false]
end
##
# Brute force prevention - class methods
#
def self.prevent_brute_force_attack(user, login)
if user.nil?
register_failed_login_attempt_if_user_exists_for(login)
else
block_user_if_too_many_recent_attempts_failed(user)
end
end
def self.register_failed_login_attempt_if_user_exists_for(login)
user = User.find_by_login(login)
user.log_failed_login if user.present?
nil
end
def self.reset_failed_login_count_for(user)
user.update_attribute(:failed_login_count, 0) unless user.new_record?
end
def self.block_user_if_too_many_recent_attempts_failed(user)
if user.failed_too_many_recent_login_attempts?
user = nil
else
reset_failed_login_count_for user
end
user
end
##
# Brute force prevention - instance methods
#
def last_failed_login_within_block_time?
block_duration = Setting.brute_force_block_minutes.to_i.minutes
self.last_failed_login_on and
Time.now - self.last_failed_login_on < block_duration
end
def log_failed_login_count
if last_failed_login_within_block_time?
self.failed_login_count += 1
else
self.failed_login_count = 1
end
end
def log_failed_login_timestamp
self.last_failed_login_on = Time.now
end
def self.default_admin_account_changed?
!User.active.find_by_login('admin').try(:current_password).try(:same_as_plain_password?, 'admin')
end
end
class AnonymousUser < User
validate :validate_unique_anonymous_user, :on => :create
# There should be only one AnonymousUser in the database
def validate_unique_anonymous_user
errors.add :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
def destroy; false end
end
class DeletedUser < User
validate :validate_unique_deleted_user, :on => :create
# There should be only one DeletedUser in the database
def validate_unique_deleted_user
errors.add :base, 'A DeletedUser already exists.' if DeletedUser.find(:first)
end
def self.first
find_or_create_by_type_and_status(self.to_s, STATUSES[:builtin])
end
# Overrides a few properties
def logged?; false end
def admin; false end
def name(*args); I18n.t('user.deleted') end
def mail; nil end
def time_zone; nil end
def rss_key; nil end
def destroy; false end
end