Ruby on rails 迈克尔·哈特尔';s Rails教程:未定义的方法'authenticate'u with#u salt';错误
我在第九章的末尾,我在根页面上发现了一个错误 会话助手是Ruby on rails 迈克尔·哈特尔';s Rails教程:未定义的方法'authenticate'u with#u salt';错误,ruby-on-rails,ruby,Ruby On Rails,Ruby,我在第九章的末尾,我在根页面上发现了一个错误 会话助手是 module SessionsHelper def sign_in(user) cookies.permanent.signed[:remember_token] = [user.id, user.salt] current_user = user end def current_user @current_user ||= user_from_remember_token end def si
module SessionsHelper
def sign_in(user)
cookies.permanent.signed[:remember_token] = [user.id, user.salt]
current_user = user
end
def current_user
@current_user ||= user_from_remember_token
end
def signed_in?
!current_user.nil?
end
def sign_out
cookies.delete(:remember_token)
current_user = nil
end
private
def user_from_remember_token
User.authenticate_with_salt(*remember_token)
end
def remember_token
cookies.signed[:remember_token] || [nil, nil]
end
end
这是我的user.rb
require 'digest'
class User < ActiveRecord::Base
attr_accessor :password
attr_accessible :name, :email, :password, :password_confirmation
email_regex = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
validates :name, :presence => true,
:length => { :maximum => 50 }
validates :email, :presence => true,
:format => { :with => email_regex },
:uniqueness => { :case_sensitive => false }
validates :password, :presence => true,
:confirmation => true,
:length => {:within => 6..40 }
before_save :encrypt_password
def signed_in?
!current_user.nil?
def has_password?(submitted_password)
encrypted_password == encrypt(submitted_password)
end
def self.authenticate(email, submitted_password)
user = find_by_email(email)
return nil if user.nil?
return user if user.has_password?(submitted_password)
end
def self.authenticate_with_salt(id, cookie_salt)
user = find_by_id(id)
(user && user.salt == cookie_salt)? user : nil
end
private
def encrypt_password
self.salt = make_salt if new_record?
self.encrypted_password = encrypt(password)
end
def encrypt(string)
secure_hash("#{salt}--#{string}")
end
def make_salt
secure_hash("#{Time.now.utc}--#{password}")
end
def secure_hash(string)
Digest::SHA2.hexdigest(string)
end
end
end
需要“摘要”
类用户true,
:length=>{:max=>50}
验证:email,:presence=>true,
:format=>{:with=>email_regex},
:唯一性=>{:区分大小写=>false}
验证:password,:presence=>true,
:confirmation=>true,
:length=>{:within=>6..40}
保存前:加密密码
def已登录?
!当前_user.nil?
def有密码?(已提交密码)
加密密码==加密(已提交密码)
结束
def自我验证(电子邮件、提交的密码)
用户=通过电子邮件查找(电子邮件)
如果user.nil,则返回nil?
如果用户有密码,则返回用户?(已提交密码)
结束
def自我验证使用_盐(id,cookie_盐)
用户=通过\u id(id)查找\u
(user&&user.salt==cookie\u salt)?用户:无
结束
私有的
def加密密码
self.salt=如果有新记录,则制作盐?
self.encrypted_password=加密(密码)
结束
def加密(字符串)
安全散列(“#{salt}--#{string}”)
结束
def制盐
安全散列(“#{Time.now.utc}--#{password}”)
结束
def secure_散列(字符串)
摘要::SHA2.hexdigest(字符串)
结束
结束
结束
我的会话控制器是
class SessionsController < ApplicationController
def new
@title = "Sign in"
end
def create
user = User.authenticate(params[:session][:email], params[:session][:password])
if user.nil?
flash.now[:error] = "Invalid email/password combination."
@title = "Sign in"
render 'new'
else
sign_in user
redirect_to user
end
end
def destroy
sign_out
redirect_to root_path
end
end
class sessioncontroller
用户和控制器是
class UsersController < ApplicationController
def show
@user = User.find(params[:id])
@title = @user.name
end
def new
@user = User.new
@title = "Sign up"
end
def create
@user = User.new(params[:user])
if @user.save
sign_in @user
flash[:success] = "Welcome to the Sample App!"
redirect_to @user
else
@title = "Sign up"
render 'new'
end
end
end
class UsersController
问题是我是Rails的初学者,我正在学习这些教程,但我被困在这里了。
请帮助盖兹
这是错误的屏幕截图
错误说明:未定义的方法“用盐进行身份验证”我认为这是一个类似的问题,并且链接是
您错过了当前的用户范围。查看上面的链接,希望您能尽快解决问题。发布错误时,文本总是比截图好。是的,我不知道确切的错误。所以我发布了截图。我也给出了一个关于错误的小文本。谢谢你的评论不是真的。。。这是user.rb中的一个小语法错误。。我的错误:)你错过了登录?user.rb模型中的方法关闭语法:)