discourse/app/models/email_token.rb

106 lines
2.8 KiB
Ruby

class EmailToken < ActiveRecord::Base
belongs_to :user
validates :token, :user_id, :email, presence: true
before_validation(on: :create) do
self.token = EmailToken.generate_token
self.email = self.email.downcase if self.email
end
after_create do
# Expire the previous tokens
EmailToken.where(['user_id = ? and id != ?', self.user_id, self.id]).update_all 'expired = true'
end
def self.token_length
16
end
def self.valid_after
SiteSetting.email_token_valid_hours.hours.ago
end
def self.confirm_valid_after
SiteSetting.email_token_grace_period_hours.hours.ago
end
def self.unconfirmed
where(confirmed: false)
end
def self.active
where(expired: false).where('created_at > ?', valid_after)
end
def self.generate_token
SecureRandom.hex(EmailToken.token_length)
end
def self.valid_token_format?(token)
return token.present? && token =~ /[a-f0-9]{#{token.length/2}}/i
end
def self.atomic_confirm(token)
failure = { success: false }
return failure unless valid_token_format?(token)
email_token = confirmable(token)
return failure if email_token.blank?
user = email_token.user
failure[:user] = user
row_count = EmailToken.where(id: email_token.id, expired: false).update_all 'confirmed = true'
if row_count == 1
return { success: true, user: user, email_token: email_token }
end
return failure
end
def self.confirm(token)
User.transaction do
result = atomic_confirm(token)
user = result[:user]
if result[:success]
# If we are activating the user, send the welcome message
user.send_welcome_message = !user.active?
user.active = true
user.email = result[:email_token].email
user.save!
end
if user
return User.find_by(email: Email.downcase(user.email)) if Invite.redeem_from_email(user.email).present?
user
end
end
rescue ActiveRecord::RecordInvalid
# If the user's email is already taken, just return nil (failure)
end
def self.confirmable(token)
EmailToken.where("token = ? and expired = FALSE AND ((NOT confirmed AND created_at >= ?) OR (confirmed AND created_at >= ?))", token, EmailToken.valid_after, EmailToken.confirm_valid_after).includes(:user).first
end
end
# == Schema Information
#
# Table name: email_tokens
#
# id :integer not null, primary key
# user_id :integer not null
# email :string not null
# token :string not null
# confirmed :boolean default(FALSE), not null
# expired :boolean default(FALSE), not null
# created_at :datetime not null
# updated_at :datetime not null
#
# Indexes
#
# index_email_tokens_on_token (token) UNIQUE
# index_email_tokens_on_user_id (user_id)
#