Merge pull request #4313 from AntonKhorev/account-delete-delay

[rails.git] / app / models / user.rb

diff --git a/app/models/user.rb b/app/models/user.rb
index 7e1f1c6d63f9fdc14c9e4d13e1f6cb2670ea669d..1942a25cc237a784394b91f9ba64c844f36e3309 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -12,7 +12,6 @@
 #  home_lat            :float
 #  home_lon            :float
 #  home_zoom           :integer          default(3)
 #  home_lat            :float
 #  home_lon            :float
 #  home_zoom           :integer          default(3)

-#  nearby              :integer          default(50)

 #  pass_salt           :string
 #  email_valid         :boolean          default(FALSE), not null
 #  new_email           :string
 #  pass_salt           :string
 #  email_valid         :boolean          default(FALSE), not null
 #  new_email           :string


@@ -45,11 +44,11 @@
 
 class User < ApplicationRecord
   require "digest"
 
 class User < ApplicationRecord
   require "digest"

-  require "xml/libxml"
+  include AASM

 
   has_many :traces, -> { where(:visible => true) }
 
   has_many :traces, -> { where(:visible => true) }

-  has_many :diary_entries, -> { order(:created_at => :desc) }
-  has_many :diary_comments, -> { order(:created_at => :desc) }
+  has_many :diary_entries, -> { order(:created_at => :desc) }, :inverse_of => :user
+  has_many :diary_comments, -> { order(:created_at => :desc) }, :inverse_of => :user

   has_many :diary_entry_subscriptions, :class_name => "DiaryEntrySubscription"
   has_many :diary_subscriptions, :through => :diary_entry_subscriptions, :source => :diary_entry
   has_many :messages, -> { where(:to_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :foreign_key => :to_user_id
   has_many :diary_entry_subscriptions, :class_name => "DiaryEntrySubscription"
   has_many :diary_subscriptions, :through => :diary_entry_subscriptions, :source => :diary_entry
   has_many :messages, -> { where(:to_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :foreign_key => :to_user_id


@@ -59,22 +58,26 @@ class User < ApplicationRecord
   has_many :friends, :through => :friendships, :source => :befriendee
   has_many :tokens, :class_name => "UserToken", :dependent => :destroy
   has_many :preferences, :class_name => "UserPreference"
   has_many :friends, :through => :friendships, :source => :befriendee
   has_many :tokens, :class_name => "UserToken", :dependent => :destroy
   has_many :preferences, :class_name => "UserPreference"

-  has_many :changesets, -> { order(:created_at => :desc) }
-  has_many :changeset_comments, :foreign_key => :author_id
+  has_many :changesets, -> { order(:created_at => :desc) }, :inverse_of => :user
+  has_many :changeset_comments, :foreign_key => :author_id, :inverse_of => :author

   has_and_belongs_to_many :changeset_subscriptions, :class_name => "Changeset", :join_table => "changesets_subscribers", :foreign_key => "subscriber_id"
   has_and_belongs_to_many :changeset_subscriptions, :class_name => "Changeset", :join_table => "changesets_subscribers", :foreign_key => "subscriber_id"

-  has_many :note_comments, :foreign_key => :author_id
+  has_many :note_comments, :foreign_key => :author_id, :inverse_of => :author

   has_many :notes, :through => :note_comments
 
   has_many :client_applications
   has_many :notes, :through => :note_comments
 
   has_many :client_applications

-  has_many :oauth_tokens, -> { order(:authorized_at => :desc).preload(:client_application) }, :class_name => "OauthToken"
+  has_many :oauth_tokens, -> { order(:authorized_at => :desc).preload(:client_application) }, :class_name => "OauthToken", :inverse_of => :user
+
+  has_many :oauth2_applications, :class_name => Doorkeeper.config.application_model.name, :as => :owner
+  has_many :access_grants, :class_name => Doorkeeper.config.access_grant_model.name, :foreign_key => :resource_owner_id
+  has_many :access_tokens, :class_name => Doorkeeper.config.access_token_model.name, :foreign_key => :resource_owner_id

 
   has_many :blocks, :class_name => "UserBlock"
 
   has_many :blocks, :class_name => "UserBlock"

-  has_many :blocks_created, :class_name => "UserBlock", :foreign_key => :creator_id
-  has_many :blocks_revoked, :class_name => "UserBlock", :foreign_key => :revoker_id
+  has_many :blocks_created, :class_name => "UserBlock", :foreign_key => :creator_id, :inverse_of => :creator
+  has_many :blocks_revoked, :class_name => "UserBlock", :foreign_key => :revoker_id, :inverse_of => :revoker

 
   has_many :roles, :class_name => "UserRole"
 
 
   has_many :roles, :class_name => "UserRole"
 

-  has_many :issues, :class_name => "Issue", :foreign_key => :reported_user_id
+  has_many :issues, :class_name => "Issue", :foreign_key => :reported_user_id, :inverse_of => :reported_user

   has_many :issue_comments
 
   has_many :reports
   has_many :issue_comments
 
   has_many :reports


@@ -83,7 +86,7 @@ class User < ApplicationRecord
   scope :active, -> { where(:status => %w[active confirmed]) }
   scope :identifiable, -> { where(:data_public => true) }
 
   scope :active, -> { where(:status => %w[active confirmed]) }
   scope :identifiable, -> { where(:data_public => true) }
 

-  has_one_attached :avatar
+  has_one_attached :avatar, :service => Settings.avatar_storage

 
   validates :display_name, :presence => true, :length => 3..255,
                            :exclusion => %w[new terms save confirm confirm-email go_public reset-password forgot-password suspended]
 
   validates :display_name, :presence => true, :length => 3..255,
                            :exclusion => %w[new terms save confirm confirm-email go_public reset-password forgot-password suspended]


@@ -104,15 +107,18 @@ class User < ApplicationRecord
   validates :preferred_editor, :inclusion => Editors::ALL_EDITORS, :allow_nil => true
   validates :auth_uid, :unless => proc { |u| u.auth_provider.nil? },
                        :uniqueness => { :scope => :auth_provider }
   validates :preferred_editor, :inclusion => Editors::ALL_EDITORS, :allow_nil => true
   validates :auth_uid, :unless => proc { |u| u.auth_provider.nil? },
                        :uniqueness => { :scope => :auth_provider }

+  validates :avatar, :if => proc { |u| u.attachment_changes["avatar"] },
+                     :image => true

 
   validates_email_format_of :email, :if => proc { |u| u.email_changed? }
   validates_email_format_of :new_email, :allow_blank => true, :if => proc { |u| u.new_email_changed? }
 
 
   validates_email_format_of :email, :if => proc { |u| u.email_changed? }
   validates_email_format_of :new_email, :allow_blank => true, :if => proc { |u| u.new_email_changed? }
 

-  after_initialize :set_defaults
+  alias_attribute :created_at, :creation_time
+
+  after_initialize :encrypt_password

   before_save :encrypt_password
   before_save :update_tile
   after_save :spam_check
   before_save :encrypt_password
   before_save :update_tile
   after_save :spam_check

-  after_save :reset_preferred_languages

 
   def to_param
     display_name
 
   def to_param
     display_name


@@ -153,24 +159,63 @@ class User < ApplicationRecord
     user
   end
 
     user
   end
 

-  def to_xml
-    doc = OSM::API.new.get_xml_doc
-    doc.root << to_xml_node
-    doc
-  end
+  aasm :column => :status, :no_direct_assignment => true do
+    state :pending, :initial => true
+    state :active
+    state :confirmed
+    state :suspended
+    state :deleted
+
+    # A normal account is active
+    event :activate do
+      transitions :from => :pending, :to => :active
+    end
+
+    # Used in test suite, not something that we would normally need to do.
+    if Rails.env.test?
+      event :deactivate do
+        transitions :from => :active, :to => :pending
+      end
+    end
+
+    # To confirm an account is used to override the spam scoring
+    event :confirm do
+      transitions :from => [:pending, :active, :suspended], :to => :confirmed
+    end
+
+    # To unconfirm an account is to make it subject to future spam scoring again
+    event :unconfirm do
+      transitions :from => :confirmed, :to => :active
+    end

 
 

-  def to_xml_node
-    el1 = XML::Node.new "user"
-    el1["display_name"] = display_name.to_s
-    el1["account_created"] = creation_time.xmlschema
-    if home_lat && home_lon
-      home = XML::Node.new "home"
-      home["lat"] = home_lat.to_s
-      home["lon"] = home_lon.to_s
-      home["zoom"] = home_zoom.to_s
-      el1 << home
+    # Accounts can be automatically suspended by spam_check
+    event :suspend do
+      transitions :from => [:pending, :active], :to => :suspended
+    end
+
+    # Unsuspending an account moves it back to active without overriding the spam scoring
+    event :unsuspend do
+      transitions :from => :suspended, :to => :active
+    end
+
+    # Mark the account as deleted but keep all data intact
+    event :hide do
+      transitions :from => [:pending, :active, :confirmed, :suspended], :to => :deleted
+    end
+
+    event :unhide do
+      transitions :from => [:deleted], :to => :active
+    end
+
+    # Mark the account as deleted and remove personal data
+    event :soft_destroy do
+      before do
+        revoke_authentication_tokens
+        remove_personal_data
+      end
+
+      transitions :from => [:pending, :active, :confirmed, :suspended], :to => :deleted

     end
     end

-    el1

   end
 
   def description
   end
 
   def description


@@ -193,12 +238,12 @@ class User < ApplicationRecord
     @preferred_languages ||= Locale.list(languages)
   end
 
     @preferred_languages ||= Locale.list(languages)
   end
 

-  def reset_preferred_languages
-    @preferred_languages = nil
+  def home_location?
+    home_lat && home_lon

   end
 
   def nearby(radius = Settings.nearby_radius, num = Settings.nearby_users)
   end
 
   def nearby(radius = Settings.nearby_radius, num = Settings.nearby_users)

-    if home_lon && home_lat
+    if home_location?

       gc = OSM::GreatCircle.new(home_lat, home_lon)
       sql_for_area = QuadTile.sql_for_area(gc.bounds(radius), "home_")
       sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")
       gc = OSM::GreatCircle.new(home_lat, home_lon)
       sql_for_area = QuadTile.sql_for_area(gc.bounds(radius), "home_")
       sql_for_distance = gc.sql_for_distance("home_lat", "home_lon")


@@ -218,7 +263,7 @@ class User < ApplicationRecord
     OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
   end
 
     OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
   end
 

-  def is_friends_with?(new_friend)
+  def friends_with?(new_friend)

     friendships.exists?(:befriendee => new_friend)
   end
 
     friendships.exists?(:befriendee => new_friend)
   end
 


@@ -237,18 +282,24 @@ class User < ApplicationRecord
   ##
   # returns true if the user has the moderator role, false otherwise
   def moderator?
   ##
   # returns true if the user has the moderator role, false otherwise
   def moderator?

-    has_role? "moderator"
+    role? "moderator"

   end
 
   ##
   # returns true if the user has the administrator role, false otherwise
   def administrator?
   end
 
   ##
   # returns true if the user has the administrator role, false otherwise
   def administrator?

-    has_role? "administrator"
+    role? "administrator"
+  end
+
+  ##
+  # returns true if the user has the importer role, false otherwise
+  def importer?
+    role? "importer"

   end
 
   ##
   # returns true if the user has the requested role
   end
 
   ##
   # returns true if the user has the requested role

-  def has_role?(role)
+  def role?(role)

     roles.any? { |r| r.role == role }
   end
 
     roles.any? { |r| r.role == role }
   end
 


@@ -260,8 +311,15 @@ class User < ApplicationRecord
   end
 
   ##
   end
 
   ##

-  # delete a user - leave the account but purge most personal data
-  def delete
+  # revoke any authentication tokens
+  def revoke_authentication_tokens
+    oauth_tokens.authorized.each(&:invalidate!)
+    access_tokens.not_expired.each(&:revoke)
+  end
+
+  ##
+  # remove personal data - leave the account but purge most personal data
+  def remove_personal_data

     avatar.purge_later
 
     self.display_name = "user_#{id}"
     avatar.purge_later
 
     self.display_name = "user_#{id}"


@@ -272,7 +330,6 @@ class User < ApplicationRecord
     self.new_email = nil
     self.auth_provider = nil
     self.auth_uid = nil
     self.new_email = nil
     self.auth_provider = nil
     self.auth_uid = nil

-    self.status = "deleted"

 
     save
   end
 
     save
   end


@@ -298,15 +355,27 @@ class User < ApplicationRecord
   ##
   # perform a spam check on a user
   def spam_check
   ##
   # perform a spam check on a user
   def spam_check

-    update(:status => "suspended") if status == "active" && spam_score > Settings.spam_threshold
+    suspend! if may_suspend? && spam_score > Settings.spam_threshold

   end
 
   ##
   end
 
   ##

-  # return an oauth access token for a specified application
+  # return an oauth 1 access token for a specified application

   def access_token(application_key)
     ClientApplication.find_by(:key => application_key).access_token_for_user(self)
   end
 
   def access_token(application_key)
     ClientApplication.find_by(:key => application_key).access_token_for_user(self)
   end
 

+  ##
+  # return an oauth 2 access token for a specified application
+  def oauth_token(application_id)
+    application = Doorkeeper.config.application_model.find_by(:uid => application_id)
+
+    Doorkeeper.config.access_token_model.find_or_create_for(
+      :application => application,
+      :resource_owner => self,
+      :scopes => application.scopes
+    )
+  end
+

   def fingerprint
     digest = Digest::SHA256.new
     digest.update(email)
   def fingerprint
     digest = Digest::SHA256.new
     digest.update(email)


@@ -314,12 +383,56 @@ class User < ApplicationRecord
     digest.hexdigest
   end
 
     digest.hexdigest
   end
 

-  private
+  def active_reports
+    issues
+      .with_status(:open)
+      .joins(:reports)
+      .where("reports.updated_at >= COALESCE(issues.resolved_at, '1970-01-01')")
+      .count
+  end
+
+  def max_messages_per_hour
+    account_age_in_seconds = Time.now.utc - created_at
+    account_age_in_hours = account_age_in_seconds / 3600
+    recent_messages = messages.where("sent_on >= ?", Time.now.utc - 3600).count
+    max_messages = account_age_in_hours.ceil + recent_messages - (active_reports * 10)
+    max_messages.clamp(0, Settings.max_messages_per_hour)
+  end

 
 

-  def set_defaults
-    self.creation_time = Time.now.getutc unless attribute_present?(:creation_time)
+  def max_friends_per_hour
+    account_age_in_seconds = Time.now.utc - created_at
+    account_age_in_hours = account_age_in_seconds / 3600
+    recent_friends = Friendship.where(:befriendee => self).where("created_at >= ?", Time.now.utc - 3600).count
+    max_friends = account_age_in_hours.ceil + recent_friends - (active_reports * 10)
+    max_friends.clamp(0, Settings.max_friends_per_hour)

   end
 
   end
 

+  def max_changeset_comments_per_hour
+    if moderator?
+      Settings.moderator_changeset_comments_per_hour
+    else
+      previous_comments = changeset_comments.limit(200).count
+      max_comments = previous_comments / 200.0 * Settings.max_changeset_comments_per_hour
+      max_comments = max_comments.floor.clamp(Settings.initial_changeset_comments_per_hour, Settings.max_changeset_comments_per_hour)
+      max_comments /= 2**active_reports
+      max_comments.floor.clamp(Settings.min_changeset_comments_per_hour, Settings.max_changeset_comments_per_hour)
+    end
+  end
+
+  def deletion_allowed_at
+    unless Settings.user_account_deletion_delay.nil?
+      last_changeset = changesets.reorder(:closed_at => :desc).first
+      return last_changeset.closed_at.utc + Settings.user_account_deletion_delay.hours if last_changeset
+    end
+    creation_time.utc
+  end
+
+  def deletion_allowed?
+    deletion_allowed_at <= Time.now.utc
+  end
+
+  private
+

   def encrypt_password
     if pass_crypt_confirmation
       self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
   def encrypt_password
     if pass_crypt_confirmation
       self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)


@@ -328,6 +441,6 @@ class User < ApplicationRecord
   end
 
   def update_tile
   end
 
   def update_tile

-    self.home_tile = QuadTile.tile_for_point(home_lat, home_lon) if home_lat && home_lon
+    self.home_tile = QuadTile.tile_for_point(home_lat, home_lon) if home_location?

   end
 end
   end
 end