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user.rb
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user.rb
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# == Schema Information
#
# Table name: users
#
# email :string not null
# id :bigint(8) not null, primary key
# pass_crypt :string not null
# creation_time :datetime not null
# display_name :string default(""), not null
# data_public :boolean default(FALSE), not null
# description :text default(""), not null
# 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
# creation_ip :string
# languages :string
# status :enum default("pending"), not null
# terms_agreed :datetime
# consider_pd :boolean default(FALSE), not null
# auth_uid :string
# preferred_editor :string
# terms_seen :boolean default(FALSE), not null
# description_format :enum default("markdown"), not null
# changesets_count :integer default(0), not null
# traces_count :integer default(0), not null
# diary_entries_count :integer default(0), not null
# image_use_gravatar :boolean default(FALSE), not null
# auth_provider :string
# home_tile :bigint(8)
# tou_agreed :datetime
#
# Indexes
#
# users_auth_idx (auth_provider,auth_uid) UNIQUE
# users_display_name_idx (display_name) UNIQUE
# users_display_name_lower_idx (lower((display_name)::text))
# users_email_idx (email) UNIQUE
# users_email_lower_idx (lower((email)::text))
# users_home_idx (home_tile)
#
class User < ApplicationRecord
require "digest"
include AASM
has_many :traces, -> { where(:visible => true) }
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 :new_messages, -> { where(:to_user_visible => true, :message_read => false).order(:sent_on => :desc) }, :class_name => "Message", :foreign_key => :to_user_id
has_many :sent_messages, -> { where(:from_user_visible => true).order(:sent_on => :desc).preload(:sender, :recipient) }, :class_name => "Message", :foreign_key => :from_user_id
has_many :friendships, -> { joins(:befriendee).where(:users => { :status => %w[active confirmed] }) }
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) }, :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_many :note_comments, :foreign_key => :author_id, :inverse_of => :author
has_many :notes, :through => :note_comments
has_many :client_applications
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_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 :issues, :class_name => "Issue", :foreign_key => :reported_user_id, :inverse_of => :reported_user
has_many :issue_comments
has_many :reports
scope :visible, -> { where(:status => %w[pending active confirmed]) }
scope :active, -> { where(:status => %w[active confirmed]) }
scope :identifiable, -> { where(:data_public => true) }
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, :if => proc { |u| u.display_name_changed? },
:uniqueness => { :case_sensitive => false }
validates :display_name, :if => proc { |u| u.display_name_changed? },
:characters => { :url_safe => true },
:whitespace => { :leading => false, :trailing => false }
validates :email, :presence => true, :confirmation => true, :characters => true
validates :email, :if => proc { |u| u.email_changed? },
:uniqueness => { :case_sensitive => false }
validates :email, :if => proc { |u| u.email_changed? },
:whitespace => { :leading => false, :trailing => false }
validates :pass_crypt, :confirmation => true, :length => 8..255
validates :home_lat, :allow_nil => true, :numericality => true, :inclusion => { :in => -90..90 }
validates :home_lon, :allow_nil => true, :numericality => true, :inclusion => { :in => -180..180 }
validates :home_zoom, :allow_nil => true, :numericality => { :only_integer => true }
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? }
alias_attribute :created_at, :creation_time
before_save :encrypt_password
before_save :update_tile
after_save :spam_check
def to_param
display_name
end
def self.authenticate(options)
if options[:username] && options[:password]
user = find_by("email = ? OR display_name = ?", options[:username].strip, options[:username])
if user.nil?
users = where("LOWER(email) = LOWER(?) OR LOWER(display_name) = LOWER(?)", options[:username].strip, options[:username])
user = users.first if users.count == 1
end
if user && PasswordHash.check(user.pass_crypt, user.pass_salt, options[:password])
if PasswordHash.upgrade?(user.pass_crypt, user.pass_salt)
user.pass_crypt, user.pass_salt = PasswordHash.create(options[:password])
user.save
end
else
user = nil
end
elsif options[:token]
token = UserToken.find_by(:token => options[:token])
user = token.user if token
end
if user &&
(user.status == "deleted" ||
(user.status == "pending" && !options[:pending]) ||
(user.status == "suspended" && !options[:suspended]))
user = nil
end
token.update(:expiry => 1.week.from_now) if token && user
user
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
# 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
def description
RichText.new(self[:description_format], self[:description])
end
def languages
attribute_present?(:languages) ? self[:languages].split(/ *[, ] */) : []
end
def languages=(languages)
self[:languages] = languages.join(",")
end
def preferred_language
languages.find { |l| Language.exists?(:code => l) }
end
def preferred_languages
@preferred_languages ||= Locale.list(languages)
end
def home_location?
home_lat && home_lon
end
def nearby(radius = Settings.nearby_radius, num = Settings.nearby_users)
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")
nearby = User.active.identifiable
.where.not(:id => id)
.where(sql_for_area)
.where("#{sql_for_distance} <= ?", radius)
.order(Arel.sql(sql_for_distance))
.limit(num)
else
nearby = []
end
nearby
end
def distance(nearby_user)
OSM::GreatCircle.new(home_lat, home_lon).distance(nearby_user.home_lat, nearby_user.home_lon)
end
def friends_with?(new_friend)
friendships.exists?(:befriendee => new_friend)
end
##
# returns true if a user is visible
def visible?
%w[pending active confirmed].include? status
end
##
# returns true if a user is active
def active?
%w[active confirmed].include? status
end
##
# returns true if the user has the moderator role, false otherwise
def moderator?
role? "moderator"
end
##
# returns true if the user has the administrator role, false otherwise
def administrator?
role? "administrator"
end
##
# returns true if the user has the requested role
def role?(role)
roles.any? { |r| r.role == role }
end
##
# returns the first active block which would require users to view
# a message, or nil if there are none.
def blocked_on_view
blocks.active.detect(&:needs_view?)
end
##
# 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}"
self.description = ""
self.home_lat = nil
self.home_lon = nil
self.email_valid = false
self.new_email = nil
self.auth_provider = nil
self.auth_uid = nil
save
end
##
# return a spam score for a user
def spam_score
changeset_score = changesets.size * 50
trace_score = traces.size * 50
diary_entry_score = diary_entries.visible.inject(0) { |acc, elem| acc + elem.body.spam_score }
diary_comment_score = diary_comments.visible.inject(0) { |acc, elem| acc + elem.body.spam_score }
score = description.spam_score / 4.0
score += diary_entries.where("created_at > ?", 1.day.ago).count * 10
score += diary_entry_score / diary_entries.length unless diary_entries.empty?
score += diary_comment_score / diary_comments.length unless diary_comments.empty?
score -= changeset_score
score -= trace_score
score.to_i
end
##
# perform a spam check on a user
def spam_check
suspend! if may_suspend? && spam_score > Settings.spam_threshold
end
##
# 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
##
# 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)
digest.update(pass_crypt)
digest.hexdigest
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
active_reports = issues.with_status(:open).sum(:reports_count)
max_messages = account_age_in_hours.ceil + recent_messages - (active_reports * 10)
max_messages.clamp(0, Settings.max_messages_per_hour)
end
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
active_reports = issues.with_status(:open).sum(:reports_count)
max_friends = account_age_in_hours.ceil + recent_friends - (active_reports * 10)
max_friends.clamp(0, Settings.max_friends_per_hour)
end
def max_changeset_comments_per_hour
if moderator?
Settings.moderator_changeset_comments_per_hour
else
previous_comments = changeset_comments.limit(200).count
active_reports = issues.with_status(:open).sum(:reports_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
private
def encrypt_password
if pass_crypt_confirmation
self.pass_crypt, self.pass_salt = PasswordHash.create(pass_crypt)
self.pass_crypt_confirmation = nil
end
end
def update_tile
self.home_tile = QuadTile.tile_for_point(home_lat, home_lon) if home_location?
end
end