You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
857 B
36 lines
857 B
class EmailConfirmation < ActiveRecord::Base
|
|
belongs_to :user
|
|
before_create :prepare
|
|
|
|
def prepare
|
|
# clean up any expired records
|
|
EmailConfirmation.delete_all(['expiry < ?', Time.now])
|
|
|
|
# fill in defaults
|
|
self.expiry ||= Time.now + 1.day
|
|
|
|
while self.token.nil? do
|
|
# create a token based on the user id and current time
|
|
self.token = generate_token
|
|
|
|
# conflicts should be extremely rare, but let's just be sure
|
|
if EmailConfirmation.exists?(:token => self.token)
|
|
self.token = nil # keep the loop going
|
|
# because we generate the token based on the time, just make sure
|
|
# some time has passed
|
|
sleep 0.1
|
|
end
|
|
end
|
|
end
|
|
|
|
def valid_for_user?(user)
|
|
user.id == user_id && expiry < Time.now
|
|
end
|
|
|
|
protected
|
|
|
|
def generate_token
|
|
Digest::SHA256.hexdigest(user_id.to_s + (Time.now.to_f * 1000000).to_i.to_s)
|
|
end
|
|
|
|
end
|
|
|