initial commit from appmail

app/models/user/authentication.rb

@@ -0,0 +1,52 @@
+class User
+
+  has_secure_password
+
+  validates :password, :length => {:minimum => 8, :allow_blank => true}
+
+  when_attribute :password_digest, :changes_to => :anything do
+    before_save do
+      self.password_reset_token = nil
+      self.password_reset_token_valid_until = nil
+    end
+  end
+
+  def self.authenticate(email_address, password)
+    user = where(:email_address => email_address).first
+    raise Postal::Errors::AuthenticationError.new('InvalidEmailAddress') if user.nil?
+    raise Postal::Errors::AuthenticationError.new('InvalidPassword') unless user.authenticate(password)
+    user
+  end
+
+  def authenticate_with_previous_password_first(unencrypted_password)
+    if password_digest_changed?
+      BCrypt::Password.new(password_digest_was).is_password?(unencrypted_password) && self
+    else
+      authenticate(unencrypted_password)
+    end
+  end
+
+  def begin_password_reset(return_to = nil)
+    self.password_reset_token = Nifty::Utils::RandomString.generate(:length => 24)
+    self.password_reset_token_valid_until = 1.day.from_now
+    self.save!
+    AppMailer.password_reset(self, return_to).deliver
+  end
+
+end
+
+class Postal::Errors::AuthenticationError < Postal::Error
+
+  attr_reader :error
+
+  def initialize(error)
+    @error = error
+  end
+
+  def to_s
+    "Authentication Failed: #{@error}"
+  end
+
+end
+
+# -*- SkipSchemaAnnotations