Files
danbooru/app/models/user.rb

79 lines
2.4 KiB
Ruby

require 'digest/sha1'
class User < ActiveRecord::Base
attr_accessor :password
attr_accessible :password_hash, :email, :last_logged_in_at, :last_forum_read_at, :has_mail, :receive_email_notifications, :comment_threshold, :always_resize_images, :favorite_tags, :blacklisted_tags
validates_length_of :name, :within => 2..20, :on => :create
validates_format_of :name, :with => /\A[^\s;,]+\Z/, :on => :create, :message => "cannot have whitespace, commas, or semicolons"
validates_uniqueness_of :name, :case_sensitive => false, :on => :create
validates_uniqueness_of :email, :case_sensitive => false, :on => :create, :if => lambda {|rec| !rec.email.blank?}
validates_length_of :password, :minimum => 5, :if => lambda {|rec| rec.password}
validates_inclusion_of :default_image_size, :in => %w(medium large original)
validates_confirmation_of :password
before_save :encrypt_password
after_save {|rec| Cache.put("user_name:#{rec.id}", rec.name)}
scope :named, lambda {|name| where(["lower(name) = ?", name])}
def can_update?(object, foreign_key = :user_id)
is_moderator? || is_admin? || object.__send__(foreign_key) == id
end
module NameMethods
module ClassMethods
def find_name(user_id)
Cache.get("user_name:#{user_id}", 24.hours) do
select_value_sql("SELECT name FROM users WHERE id = ?", user_id) || Danbooru.config.default_guest_name
end
end
end
def self.included(m)
m.extend(ClassMethods)
end
def pretty_name
name.tr("_", " ")
end
end
module PasswordMethods
def encrypt_password
self.password_hash = self.class.sha1(password) if password
end
def reset_password
consonants = "bcdfghjklmnpqrstvqxyz"
vowels = "aeiou"
pass = ""
4.times do
pass << consonants[rand(21), 1]
pass << vowels[rand(5), 1]
end
pass << rand(100).to_s
execute_sql("UPDATE users SET password_hash = ? WHERE id = ?", self.class.sha1(pass), id)
pass
end
end
module AuthenticationMethods
def authenticate(name, pass)
authenticate_hash(name, sha1(pass))
end
def authenticate_hash(name, pass)
where(["lower(name) = ? AND password_hash = ?", name.downcase, pass]).first != nil
end
def sha1(pass)
Digest::SHA1.hexdigest("#{Danbooru.config.password_salt}--#{pass}--")
end
end
include NameMethods
include PasswordMethods
extend AuthenticationMethods
end