jro_apps/redmine Commit - r11145:3c3ac3c6eeba

Code cleanup....

Jean-Philippe Lang -

r11145:3c3ac3c6eeba

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r11145:3c3ac3c6eeba

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app/models/user.rb +4 -10

              # Redmine - project management software
              # Copyright (C) 2006-2013  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
                # Different ways of displaying/sorting users
                USER_FORMATS = {
                  :firstname_lastname => {
                      :string => '#{firstname} #{lastname}',
                      :order => %w(firstname lastname id),
                      :setting_order => 1
                    },
                  :firstname_lastinitial => {
                      :string => '#{firstname} #{lastname.to_s.chars.first}.',
                      :order => %w(firstname lastname id),
                      :setting_order => 2
                    },
                  :firstname => {
                      :string => '#{firstname}',
                      :order => %w(firstname id),
                      :setting_order => 3
                    },
                  :lastname_firstname => {
                      :string => '#{lastname} #{firstname}',
                      :order => %w(lastname firstname id),
                      :setting_order => 4
                    },
                  :lastname_coma_firstname => {
                      :string => '#{lastname}, #{firstname}',
                      :order => %w(lastname firstname id),
                      :setting_order => 5
                    },
                  :lastname => {
                      :string => '#{lastname}',
                      :order => %w(lastname id),
                      :setting_order => 6
                    },
                  :username => {
                      :string => '#{login}',
                      :order => %w(login id),
                      :setting_order => 7
                    },
                }
                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 :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
                scope :logged, lambda { where("#{User.table_name}.status <> #{STATUS_ANONYMOUS}") }
                scope :status, lambda {|arg| where(arg.blank? ? nil : {:status => arg.to_i}) }
                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
                LOGIN_LENGTH_LIMIT = 60
                MAIL_LENGTH_LIMIT = 60
                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_changed? && user.login.present? }, :case_sensitive => false
                validates_uniqueness_of :mail, :if => Proc.new { |user| user.mail_changed? && user.mail.present? }, :case_sensitive => false
                # Login must contain lettres, numbers, underscores only
                validates_format_of :login, :with => /\A[a-z0-9_\-@\.]*\z/i
                validates_length_of :login, :maximum => LOGIN_LENGTH_LIMIT
                validates_length_of :firstname, :lastname, :maximum => 30
                validates_format_of :mail, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i, :allow_blank => true
                validates_length_of :mail, :maximum => MAIL_LENGTH_LIMIT, :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 :validate_password_length
                before_create :set_mail_notification
                before_save   :update_hashed_password
                before_destroy :remove_references_before_destroy
                scope :in_group, lambda {|group|
                  group_id = group.is_a?(Group) ? group.id : group.to_i
                  where("#{User.table_name}.id IN (SELECT gu.user_id FROM #{table_name_prefix}groups_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
                  where("#{User.table_name}.id NOT IN (SELECT gu.user_id FROM #{table_name_prefix}groups_users#{table_name_suffix} gu WHERE gu.group_id = ?)", group_id)
                }
                scope :sorted, lambda { order(*User.fields_for_order_statement)}
                def set_mail_notification
                  self.mail_notification = Setting.default_notification_option if self.mail_notification.blank?
                  true
                end
                def update_hashed_password
                  # update hashed_password if password was set
                  if self.password && self.auth_source_id.blank?
                    salt_password(password)
                  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
                # Returns the user that matches provided login and password, or nil
                def self.try_to_login(login, password)
                  login = login.to_s
                  password = password.to_s
-                 # Make sure no one can sign in with an empty password
-                 return nil if password.empty?
+                 # Make sure no one can sign in with an empty login or password
+                 return nil if login.empty? || password.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.check_password?(password)
-                   end
+                   return nil unless user.active?
+                   return nil unless user.check_password?(password)
                  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_column(: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)
                  user = Token.find_active_user('autologin', key, Setting.autologin.to_i)
                  if user
                    user.update_column(:last_login_on, Time.now)
                    user
                  end
                end
                def self.name_formatter(formatter = nil)
                  USER_FORMATS[formatter || Setting.user_format] || USER_FORMATS[:firstname_lastname]
                end
                # Returns an array of fields names than can be used to make an order statement for users
                # according to how user names are displayed
                # Examples:
                #
                #   User.fields_for_order_statement              => ['users.login', 'users.id']
                #   User.fields_for_order_statement('authors')   => ['authors.login', 'authors.id']
                def self.fields_for_order_statement(table=nil)
                  table ||= table_name
                  name_formatter[:order].map {|field| "#{table}.#{field}"}
                end
                # Return user's full name for display
                def name(formatter = nil)
                  f = self.class.name_formatter(formatter)
                  if formatter
                    eval('"' + f[:string] + '"')
                  else
                    @name ||= eval('"' + f[:string] + '"')
                  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
                # 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
                    User.hash_password("#{salt}#{User.hash_password clear_password}") == hashed_password
                  end
                end
                # Generates a random salt and computes hashed_password for +clear_password+
                # The hashed password is stored in the following form: SHA1(salt + SHA1(password))
                def salt_password(clear_password)
                  self.salt = User.generate_salt
                  self.hashed_password = User.hash_password("#{salt}#{User.hash_password clear_password}")
                end
                # Does the backend storage allow this user to change their password?
                def change_password_allowed?
                  return true if auth_source.nil?
                  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 = ''
 .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
                  if rss_token.nil?
                    create_rss_token(:action => 'feeds')
                  end
                  rss_token.value
                end
                # Return user's API key (a 40 chars long string), used to access the API
                def api_key
                  if api_token.nil?
                    create_api_token(:action => 'api')
                  end
                  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)
                  if login.present?
                    login = login.to_s
                    # First look for an exact match
                    user = where(:login => login).all.detect {|u| u.login == login}
                    unless user
                      # Fail over to case-insensitive if none was found
                      user = where("LOWER(login) = ?", login.downcase).first
                    end
                    user
                  end
                end
                def self.find_by_rss_key(key)
                  Token.find_active_user('feeds', key)
                end
                def self.find_by_api_key(key)
                  Token.find_active_user('api', key)
                end
                # Makes find_by_mail case-insensitive
                def self.find_by_mail(mail)
                  where("LOWER(mail) = ?", mail.to_s.downcase).first
                end
                # Returns true if the default admin account can no longer be used
                def self.default_admin_account_changed?
                  !User.active.find_by_login("admin").try(:check_password?, "admin")
                end
                def to_s
                  name
                end
                CSS_CLASS_BY_STATUS = {
                  STATUS_ANONYMOUS  => 'anon',
                  STATUS_ACTIVE     => 'active',
                  STATUS_REGISTERED => 'registered',
                  STATUS_LOCKED     => 'locked'
                }
                def css_classes
                  "user #{CSS_CLASS_BY_STATUS[status]}"
                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
                # Returns the day of +time+ according to user's time zone
                def time_to_date(time)
                  if time_zone.nil?
                    time.to_date
                  else
                    time.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 if project.nil? || project.archived?
                  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).any? {|role| role.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([])
                  memberships.each do |membership|
                    if membership.project
                      membership.roles.each do |role|
                        @projects_by_role[role] = [] unless @projects_by_role.key?(role)
                        @projects_by_role[role] << membership.project
                      end
                    end
                  end
                  @projects_by_role.each do |role, projects|
                    projects.uniq!
                  end
                  @projects_by_role
                end
                # Returns true if user is arg or belongs to arg
                def is_or_belongs_to?(arg)
                  if arg.is_a?(User)
                    self == arg
                  elsif arg.is_a?(Group)
                    arg.users.include?(self)
                  else
                    false
                  end
                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
                # * an array 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={}, &block)
                  if context && context.is_a?(Project)
                    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.any? {|role|
                      (context.is_public? || role.member?) &&
                      role.allowed_to?(action) &&
                      (block_given? ? yield(role, self) : true)
                    }
                  elsif context && context.is_a?(Array)
                    if context.empty?
                      false
                    else
                      # Authorize if user is authorized on every element of the array
                      context.map {|project| allowed_to?(action, project, options, &block)}.reduce(:&)
                    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 << (self.logged? ? Role.non_member : Role.anonymous)
                    roles.any? {|role|
                      role.allowed_to?(action) &&
                      (block_given? ? yield(role, self) : true)
                    }
                  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, &block)
                  allowed_to?(action, nil, options.reverse_merge(:global => true), &block)
                end
                # Returns true if the user is allowed to delete his own account
                def own_account_deletable?
                  Setting.unsubscribe? &&
                    (!admin? || User.active.where("admin = ? AND id <> ?", true, id).exists?)
                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)
                  if mail_notification == 'all'
                    true
                  elsif mail_notification.blank? || mail_notification == 'none'
                    false
                  else
                    case object
                    when Issue
                      case mail_notification
                      when 'selected', 'only_my_events'
                        # user receives notifications for created/assigned issues on unselected projects
                        object.author == self || is_or_belongs_to?(object.assigned_to) || is_or_belongs_to?(object.assigned_to_was)
                      when 'only_assigned'
                        is_or_belongs_to?(object.assigned_to) || is_or_belongs_to?(object.assigned_to_was)
                      when 'only_owner'
                        object.author == self
                      end
                    when News
                      # always send to project members except when mail_notification is set to 'none'
                      true
                    end
                  end
                end
                def self.current=(user)
                  Thread.current[:current_user] = user
                end
                def self.current
                  Thread.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.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
                # Salts all existing unsalted passwords
                # It changes password storage scheme from SHA1(password) to SHA1(salt + SHA1(password))
                # This method is used in the SaltPasswords migration and is to be kept as is
                def self.salt_unsalted_passwords!
                  transaction do
                    User.where("salt IS NULL OR salt = ''").find_each do |user|
                      next if user.hashed_password.blank?
                      salt = User.generate_salt
                      hashed_password = User.hash_password("#{salt}#{user.hashed_password}")
                      User.where(:id => user.id).update_all(:salt => salt, :hashed_password => hashed_password)
                    end
                  end
                end
                protected
                def validate_password_length
                  # 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
                # Returns a 128bits random salt as a hex string (32 chars long)
                def self.generate_salt
                  Redmine::Utils.random_hex(16)
                end
              end
              class AnonymousUser < User
                validate :validate_anonymous_uniqueness, :on => :create
                def validate_anonymous_uniqueness
                  # There should be only one AnonymousUser in the database
                  errors.add :base, 'An anonymous user already exists.' if AnonymousUser.exists?
                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 pref
                  UserPreference.new(:user => self)
                end
                # Anonymous user can not be destroyed
                def destroy
                  false
                end
              end

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