{"id":2924,"date":"2021-11-23T02:29:16","date_gmt":"2021-11-22T17:29:16","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=2924"},"modified":"2022-01-22T13:05:37","modified_gmt":"2022-01-22T04:05:37","slug":"rails-tutorial-9","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/11\/23\/rails-tutorial-9\/","title":{"rendered":"Rails-tutorial\u81ea\u5206\u7528\u307e\u3068\u3081(\u7b2c9\u7ae0 \u767a\u5c55\u7684\u306a\u30ed\u30b0\u30a4\u30f3\u6a5f\u69cb\u3000\u4e3b\u306b\u6f14\u7fd2)"},"content":{"rendered":"

\u305d\u306e8\u304b\u3089\u7d9a\u304f<\/a><\/p>\n

9.1\u00a0<\/span>Remember me \u6a5f\u80fd<\/h2>\n

\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u30d6\u30e9\u30a6\u30b6\u3092\u9589\u3058\u305f\u5f8c\u3067\u3082\u6709\u52b9\u306b\u3059\u308b [remember me] \u6a5f\u80fd\u6c38\u7d9a\u30af\u30c3\u30ad\u30fc (permanent cookies)<\/em> \u3092\u4f7f\u3063\u3066\u3053\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n

9.1.1\u00a0<\/span>\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u3068\u6697\u53f7\u5316<\/h3>\n

1:\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u306b\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3092\u751f\u6210\u3057\u3066\u7528\u3044\u308b\u3002
\n2:\u30d6\u30e9\u30a6\u30b6\u306ecookies\u306b\u30c8\u30fc\u30af\u30f3\u3092\u4fdd\u5b58\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u6709\u52b9\u671f\u9650\u3092\u8a2d\u5b9a\u3059\u308b\u3002
\n3:\u30c8\u30fc\u30af\u30f3\u306f\u30cf\u30c3\u30b7\u30e5\u5024\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u3002
\n4:\u30d6\u30e9\u30a6\u30b6\u306ecookies\u306b\u4fdd\u5b58\u3059\u308b\u30e6\u30fc\u30b6\u30fcID\u306f\u6697\u53f7\u5316\u3057\u3066\u304a\u304f\u3002
\n5:\u6c38\u7d9a\u30e6\u30fc\u30b6\u30fcID\u3092\u542b\u3080cookies\u3092\u53d7\u3051\u53d6\u3063\u305f\u3089\u3001\u305d\u306eID\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u691c\u7d22\u3057\u3001
\n\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u306ecookies\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002
\n\u6700\u521d\u306b\u3001\u5fc5\u8981\u3068\u306a\u308bremember_digest\u5c5e\u6027\u3092User\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0<\/p>\n

rails generate migration add_remember_digest_to_users remember_digest:string<\/strong><\/pre>\n
rails db:migrate<\/strong><\/pre>\n
\u30c8\u30fc\u30af\u30f3\u3068\u3057\u3066Ruby\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306eSecureRandom\u30e2\u30b8\u30e5\u30fc\u30eb\u306b
\n\u3042\u308burlsafe_base64<\/strong>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046<\/div>\n
<\/div>\n
\u30c8\u30fc\u30af\u30f3\u751f\u6210\u7528\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308bapp\/models\/user.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n\r\n  # \u30e9\u30f3\u30c0\u30e0\u306a\u30c8\u30fc\u30af\u30f3\u3092\u8fd4\u3059\u3002\u8ffd\u52a0<\/span>\r\n  def<\/span> User<\/span>.<\/span>new_token<\/span>\r\nSecureRandom<\/span>.<\/span>urlsafe_base64\r\n<\/span><\/span>  end<\/span>\r\nend<\/span><\/pre>\n<\/div>\n
\n
\u5b9f\u88c5\u8a08\u753b\u3068\u3057\u3066\u306f\u3001user.remember\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001
\n\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u3092\u30e6\u30fc\u30b6\u30fc\u3068\u95a2\u9023\u4ed8\u3051\u3001\u30c8\u30fc\u30af\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u8a18\u61b6
\n\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n
User\u30e2\u30c7\u30eb\u306b\u306f\u65e2\u306bremember_digest\u5c5e\u6027\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u304c
\nremember_token\u5c5e\u6027\u306f\u307e\u3060\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002
\n\u3053\u306e\u305f\u3081user.remember_token\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30c8\u30fc\u30af\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001\u30c8\u30fc\u30af\u30f3\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u305b\u305a\u306b\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u30ea\u307e\u3059\u3002<\/p>\n
\u4eee\u60f3\u306epassword\u5c5e\u6027\u306fhas_secure_password\u30e1\u30bd\u30c3\u30c9\u3067\u81ea\u52d5\u7684\u306b\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u306fremember_token\u306e\u30b3\u30fc\u30c9\u3092\u81ea\u5206\u3067\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\nattr_accessor\u3092\u4f7f\u3063\u3066\u300c\u4eee\u60f3\u306e\u300d\u5c5e\u6027\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
class User < ApplicationRecord\r\n attr_accessor :remember_token\r\n .\r\n .\r\n .\r\n def remember\r\n   self.remember_token = ...update_attribute(:remember_digest, ...)\r\n end\r\nend<\/strong><\/pre>\n
self\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4e0e\u3048\u308b\u3068\u3001\u3053\u306e\u4ee3\u5165\u306b\u3088\u3063\u3066\u30e6\u30fc\u30b6\u30fc\u306eremember_token\u5c5e\u6027\u304c\u671f\u5f85\u3069\u304a\u308a\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n
remember\u30e1\u30bd\u30c3\u30c9\u306e\uff12\u884c\u76ee\u3067\u306f\u3001update_attribute\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u8a18\u61b6\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u3092\u66f4\u65b0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30e6\u30fc\u30b6\u30fc\u3092\u8a18\u61b6\u3059\u308b\u306b\u306f\u3001\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u3092\u4f5c\u6210\u3057\u3066\u3001\u305d\u306e\u30c8\u30fc\u30af\u30f3\u3092\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u306b\u5909\u63db\u3057\u305f\u3082\u306e\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n
\u65b0\u3057\u3044\u30c8\u30fc\u30af\u30f3\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306enew_token<\/strong>\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210<\/p>\n
remember<\/code>\u30e1\u30bd\u30c3\u30c9\u3092User\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u00a0<\/span>green<\/strong><\/span><\/p>\n<\/div>\n
app\/models\/user.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n  \r\n  attr_accessor<\/span> :remember_token<\/span><\/span>  \u4e2d\u7565\u3000\u2191\u8ffd\u52a0\u2193\r\n  # \u6c38\u7d9a\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306b\u30e6\u30fc\u30b6\u30fc\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8a18\u61b6\u3059\u308b<\/span>\r\n  def<\/span> remember<\/span>\r\n    self<\/span>.<\/span>remember_token<\/span> =<\/span> User<\/span>.<\/span>new_token<\/span><\/span>update_attribute<\/span>(<\/span>:remember_digest<\/span>,<\/span> User<\/span>.<\/span>digest<\/span>(<\/span>remember_token<\/span>))<\/span><\/span>  end<\/span>\r\n  end<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
<\/h3>\n
<\/p>\n
\u6f14\u7fd2<\/h3>\n
1:\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u958b\u304d\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u3042\u308b\u6700\u521d\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u5909\u6570user<\/code>\u306b\u4ee3\u5165\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001\u305d\u306euser<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089remember<\/code>\u30e1\u30bd\u30c3\u30c9\u304c\u3046\u307e\u304f\u52d5\u304f\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001remember_token<\/code>\u3068remember_digest<\/code>\u306e\u9055\u3044\u3082\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n
>> user = User.first\r\n  User Load (0.3ms)  SELECT  \"users\".* FROM \"users\" ORDER BY \"users\".\"id\" ASC LIMIT ?  [[\"LIMIT\", 1]]\r\n=> #<User id: 1, name: \"Rails Tutorial\", email: \"example@railstutorial.org\", created_at: \"2017-02-09 07:39:54\", updated_at: \"2017-02-09 07:39:54\", password_digest: \"$2a$10$NCGVBX5axnKjyHVDxfUo5eco71WXZlmOX\/9\/gfBb2Gm...\", remember_digest: nil>\r\n\r\n>> user.remember\r\n   (0.1ms)  begin transaction\r\n  SQL (0.6ms)  UPDATE \"users\" SET \"updated_at\" = ?, \"remember_digest\" = ? WHERE \"users\".\"id\" = ?  [[\"updated_at\", 2017-02-12 05:54:01 UTC], [\"remember_digest\", \"$2a$10$DZBeoa8QGU5fxq9.stitr.SIH7uSUlLliaunThO2yWeZevK59.fge\"], [\"id\", 1]]\r\n   (10.2ms)  commit transaction\r\n=> true\r\n\r\n>> user.remember_token\r\n=> \"9jkAE-aydjad4QFuCj7TCQ\"\r\n\r\n>> user.remember_digest\r\n=> \"$2a$10$DZBeoa8QGU5fxq9.stitr.SIH7uSUlLliaunThO2yWeZevK59.fge\"<\/strong><\/pre>\n
2:app\/models\/user.rb<\/code><\/span>\u3067\u306f\u3001\u660e\u793a\u7684\u306bUser\u30af\u30e9\u30b9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u3001\u65b0\u3057\u3044\u30c8\u30fc\u30af\u30f3\u3084\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u7528\u306e\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u3001User.new_token<\/strong>\u3084User.diges<\/strong>t\u3092\u4f7f\u3063\u3066\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3001\u304a\u305d\u3089\u304f\u6700\u3082\u660e\u78ba\u306a\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\u65b9\u6cd5\u3067\u3042\u308b\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002
\n\u3088\u308a\u300cRuby\u7684\u306b\u6b63\u3057\u3044\u300d\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\u65b9\u6cd5\u304c\uff12\u901a\u308a\u3042\u308a\u307e\u3059\u3002
\n\u3084\u3084\u308f\u304b\u308a\u306b\u304f\u3044\u30ea\u30b9\u30c8\u00a09.4<\/span>\u306e\u5b9f\u88c5\u3067\u3082\u3001\u975e\u5e38\u306b\u6df7\u4e71\u3057\u3084\u3059\u3044\u30ea\u30b9\u30c8\u00a09.5<\/span>\u306e\u5b9f\u88c5\u3067\u3082\u3001\u3044\u305a\u308c\u3082\u6b63\u3057\u304f\u52d5\u304f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002
\n\u30d2\u30f3\u30c8<\/em>:\u00a0self\u306f\u3001\u901a\u5e38\u306e\u6587\u8108\u3067\u306fUser\u300c\u30e2\u30c7\u30eb\u300d\u3001\u3064\u307e\u308a\u30e6\u30fc\u30b6\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/em>\u3092\u6307\u3057\u307e\u3059\u304c\u3001\u30ea\u30b9\u30c8\u00a09.4<\/span>\u3084\u30ea\u30b9\u30c8\u00a09.5<\/span>\u306e\u6587\u8108\u3067\u306f\u3001self\u306fUser\u300c\u30af\u30e9\u30b9\u300d\u3092\u6307\u3059\u3053\u3068\u306b\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u308f\u304b\u308a\u306b\u304f\u3055\u306e\u539f\u56e0\u306e\u4e00\u90e8\u306f\u3053\u306e\u70b9\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n
\n
9.4self<\/code>\u3092\u4f7f\u3063\u3066digest<\/code>\u3068new_token<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u00a0green<\/strong><\/span><\/span><\/div>\n
app\/models\/user.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  # \u6e21\u3055\u308c\u305f\u6587\u5b57\u5217\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> self<\/span>.<\/span>digest<\/span>(<\/span>string<\/span>)<\/span>\r\n<\/span>    cost<\/span> =<\/span> ActiveModel<\/span>::<\/span>SecurePassword<\/span>.<\/span>min_cost<\/span> ?<\/span> BCrypt<\/span>::<\/span>Engine<\/span>::<\/span>MIN_COST<\/span> :<\/span>\r\n                                                  BCrypt<\/span>::<\/span>Engine<\/span>.<\/span>cost<\/span>\r\n    BCrypt<\/span>::<\/span>Password<\/span>.<\/span>create<\/span>(<\/span>string<\/span>,<\/span> cost<\/span>:<\/span> cost<\/span>)<\/span>\r\n  end<\/span>\r\n\r\n  # \u30e9\u30f3\u30c0\u30e0\u306a\u30c8\u30fc\u30af\u30f3\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> self<\/span>.<\/span>new_token<\/span>\r\n<\/span>    SecureRandom<\/span>.<\/span>urlsafe_base64<\/span>\r\n  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\nend<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\n
\u30ea\u30b9\u30c8 9.5:<\/span>\u00a0class << self<\/code>\u3092\u4f7f\u3063\u3066digest<\/code>\u3068new_token<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u00a0green<\/strong><\/span><\/span><\/div>\n
app\/models\/user.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  class<\/span> <<<\/span> self<\/span>\r\n<\/span>    # \u6e21\u3055\u308c\u305f\u6587\u5b57\u5217\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u8fd4\u3059<\/span>\r\n    def<\/span> digest<\/span>(<\/span>string<\/span>)<\/span>\r\n<\/span>      cost<\/span> =<\/span> ActiveModel<\/span>::<\/span>SecurePassword<\/span>.<\/span>min_cost<\/span> ?<\/span> BCrypt<\/span>::<\/span>Engine<\/span>::<\/span>MIN_COST<\/span> :<\/span>\r\n                                                    BCrypt<\/span>::<\/span>Engine<\/span>.<\/span>cost<\/span>\r\n      BCrypt<\/span>::<\/span>Password<\/span>.<\/span>create<\/span>(<\/span>string<\/span>,<\/span> cost<\/span>:<\/span> cost<\/span>)<\/span>\r\n    end<\/span>\r\n\r\n    # \u30e9\u30f3\u30c0\u30e0\u306a\u30c8\u30fc\u30af\u30f3\u3092\u8fd4\u3059<\/span>\r\n    def<\/span> new_token<\/span>\r\n<\/span>      SecureRandom<\/span>.<\/span>urlsafe_base64<\/span>\r\n    end<\/span>\r\n  end\r\n\u30fb\r\n\u30fb\r\n\u30fb<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\u30c6\u30b9\u30c8\u3057\u3066\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u3060\u3051<\/p>\n
9.1.2\u00a0<\/span>\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306e\u4fdd\u6301<\/h3>\n
authenticated?<\/code>\u3092User\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0\u3059\u308bapp\/models\/user.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n #\u4e2d\u7565<\/strong> \r\n# \u6e21\u3055\u308c\u305f\u30c8\u30fc\u30af\u30f3\u304c\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u3068\u4e00\u81f4\u3057\u305f\u3089true\u3092\u8fd4\u3059\u3000\u8ffd\u52a0\r\n<\/span>def<\/span> authenticated?<\/span>(<\/span>remember_token<\/span>)<\/span>\r\n  BCrypt<\/span>::<\/span>Password<\/span>.<\/span>new<\/span>(<\/span>remember_digest<\/span>)<\/span>.<\/span>is_password?<\/span>(<\/span>remember_token<\/span>)<\/span><\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u6301\u3059\u308bapp\/controllers\/sessions_controller.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> SessionsController<\/span> <<\/span> ApplicationController<\/span>\r\n\r\n  def<\/span> create<\/span>\r\n    user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>email<\/span>:<\/span> params<\/span>[<\/span>:session<\/span>][<\/span>:email<\/span>].<\/span>downcase<\/span>)<\/span>\r\n    if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticate<\/span>(<\/span>params<\/span>[<\/span>:session<\/span>][<\/span>:password<\/span>]<\/span>)<\/span>\r\n      log_in<\/span> user\r\n<\/span>      #\u8ffd\u52a0\r\n      remember<\/span> user<\/span>\r\n<\/span>      redirect_to<\/span> user<\/span>\r\n    else<\/span>\r\n      flash<\/span>.<\/span>now<\/span>[<\/span>:danger<\/span>]<\/span> =<\/span> 'Invalid email\/password combination'<\/span>\r\n      render<\/span> 'new'<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u30e6\u30fc\u30b6\u30fc\u3092\u8a18\u61b6\u3059\u308bapp\/helpers\/sessions_helper.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
module<\/span> SessionsHelper<\/span>\r\n\r\n  # \u30e6\u30fc\u30b6\u30fc\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u6c38\u7d9a\u7684\u306b\u3059\u308b \u2193\u8ffd\u52a0<\/span>\r\n  def<\/span> remember<\/span>(<\/span>user<\/span>)<\/span>\r\n    user<\/span>.<\/span>remember<\/span>\r\n<\/span>    cookies<\/span>.<\/span>permanent<\/span>.<\/span>signed<\/span>[<\/span>:user_id<\/span>]<\/span> =<\/span> user<\/span>.<\/span>id<\/span>\r\n<\/span>    cookies<\/span>.<\/span>permanent<\/span>[<\/span>:remember_token<\/span>]<\/span> =<\/span> user<\/span>.<\/span>remember_token<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/pre>\n<\/div>\n<\/div>\n
\u6c38\u7d9a\u7684\u30bb\u30c3\u30b7\u30e7\u30f3\u306ecurrent_user<\/code><\/strong>\u3092\u66f4\u65b0\u3059\u308b\u00a0red<\/strong><\/span><\/span><\/div>\n
app\/helpers\/sessions_helper.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
module<\/span> SessionsHelper<\/span>\r\n\r\n  # \u8a18\u61b6\u30c8\u30fc\u30af\u30f3cookie\u306b\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3059\u3000\u2193\u8ffd\u52a0<\/span>\r\n  def<\/span> current_user<\/span>\r\n    if<\/span> (<\/span>user_id<\/span> =<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n<\/span>      @current_user<\/span> ||=<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span>\r\n<\/span>    elsif<\/span> (<\/span>user_id<\/span> =<\/span> cookies<\/span>.<\/span>signed<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n<\/span>      user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span>\r\n<\/span>      if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticated?<\/span>(<\/span>cookies<\/span>[<\/span>:remember_token<\/span>]<\/span>)<\/span>\r\n<\/span>        log_in<\/span> user<\/span>\r\n<\/span>        @current_user<\/span> =<\/span> user<\/span>\r\n<\/span>      end<\/span>\r\n<\/span>    end<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/pre>\n<\/div>\n<\/div>\n
\n
\u6f14\u7fd2<\/h3>\n
<\/div>\n
1:\u30d6\u30e9\u30a6\u30b6\u306ecookie\u3092\u8abf\u3079\u3001\u30ed\u30b0\u30a4\u30f3\u5f8c\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306fremember_token<\/code>\u3068\u6697\u53f7\u5316\u3055\u308c\u305fuser_id<\/code>\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n
cookie\u3092\u8abf\u3079\u3066\u78ba\u8a8d\u3059\u308b<\/p>\n
2:\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u958b\u304d\u3001authenticated?<\/code>\u30e1\u30bd\u30c3\u30c9\u304c\u3046\u307e\u304f\u52d5\u304f\u304b\u3069\u3046\u304b\u78ba\u304b\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b<\/p>\n
9.1.3\u00a0<\/span>\u30e6\u30fc\u30b6\u30fc\u3092\u5fd8\u308c\u308b<\/h3>\n
forget<\/code>\u30e1\u30bd\u30c3\u30c9\u3092User\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u00a0red<\/strong><\/span><\/span><\/div>\n
app\/models\/user.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n \r\n  #\u4e2d\u7565\r\n  # \u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3092\u7834\u68c4\u3059\u308b\u3000\u2193\u8ffd\u52a0<\/span>\r\n  def<\/span> forget<\/span>\r\n    update_attribute<\/span>(<\/span>:remember_digest<\/span>,<\/span> nil<\/span>)<\/span>\r\n<\/span>  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\u6c38\u7d9a\u30bb\u30c3\u30b7\u30e7\u30f3\u304b\u3089\u30ed\u30b0\u30a2\u30a6\u30c8\u3059\u308b\u00a0green<\/strong><\/span><\/span><\/div>\n
app\/helpers\/sessions_helper.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
module<\/span> SessionsHelper<\/span>\r\n  \uff03\u4e2d\u7565\r\n  # \u6c38\u7d9a\u7684\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7834\u68c4\u3059\u308b \u2193\u8ffd\u52a0<\/span>\r\n  def<\/span> forget<\/span>(<\/span>user<\/span>)<\/span>\r\n    user<\/span>.<\/span>forget<\/span>\r\n<\/span>    cookies<\/span>.<\/span>delete<\/span>(<\/span>:user_id<\/span>)<\/span>\r\n<\/span>    cookies<\/span>.<\/span>delete<\/span>(<\/span>:remember_token<\/span>)<\/span>\r\n<\/span>  end<\/span>\r\n\r\n  # \u73fe\u5728\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u30ed\u30b0\u30a2\u30a6\u30c8\u3059\u308b\u3000\u2193\u8ffd\u52a0<\/span>\r\n  def<\/span> log_out<\/span>\r\n    forget<\/span>(<\/span>current_user<\/span>)<\/span>\r\n<\/span>    session<\/span>.<\/span>delete<\/span>(<\/span>:user_id<\/span>)<\/span>\r\n    @current_user<\/span> =<\/span> nil<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\n
\u6f14\u7fd2<\/h2>\n
1:\u30ed\u30b0\u30a2\u30a6\u30c8\u3057\u305f\u5f8c\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u5bfe\u5fdc\u3059\u308bcookies\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/h3>\n
cookie\u3092\u8abf\u3079\u3066\u78ba\u8a8d\u3059\u308b<\/p>\n<\/div>\n
9.1.4\u00a0<\/span>\uff12\u3064\u306e\u76ee\u7acb\u305f\u306a\u3044\u30d0\u30b0<\/h3>\n
\uff11\u3064\u306f\u30e6\u30fc\u30b6\u30fc\u304c1\u3064\u306e\u30bf\u30d6\u3067\u30ed\u30b0\u30a2\u30a6\u30c8\u3057\u3001\u3082\u30461\u3064\u306e\u30bf\u30d6\u3067\u518d\u5ea6\u30ed\u30b0\u30a2\u30a6\u30c8\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u3082\u30461\u3064\u306e\u30bf\u30d6\u3067 “Log out” \u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001current_user<\/code>\u304cnil<\/code>\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001log_out<\/code>\u30e1\u30bd\u30c3\u30c9\u5185\u306eforget(current_user)<\/code>\u304c\u5931\u6557\u3057\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059<\/p>\n
2\u756a\u76ee\u306e\u5730\u5473\u306a\u554f\u984c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u8907\u6570\u306e\u30d6\u30e9\u30a6\u30b6 (Firefox\u3084Chrome\u306a\u3069) \u3067\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u305f\u3068\u304d\u306b\u8d77\u3053\u308a\u307e\u3059\u3002<\/p>\n
# \u8a18\u61b6\u30c8\u30fc\u30af\u30f3cookie\u306b\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3059<\/span>def<\/span> current_user<\/span>\r\n  if<\/span> (<\/span>user_id<\/span> =<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n    @current_user<\/span> ||=<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span>\r\nelsif<\/span> (<\/span>user_id<\/span> =<\/span> cookies<\/span>.<\/span>signed<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span><\/span>user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span><\/span>if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticated?<\/span>(<\/span>cookies<\/span>[<\/span>:remember_token<\/span>]<\/span>)<\/span><\/span>      log_in<\/span> user<\/span>\r\n      @current_user<\/span> =<\/span> user<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n
\n
\u30e6\u30fc\u30b6\u30fc\u30ed\u30b0\u30a2\u30a6\u30c8\u306e\u30c6\u30b9\u30c8\u00a0red<\/strong><\/span><\/span><\/div>\n
test\/integration\/users_login_test.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersLoginTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  test<\/span> \"login with valid information followed by logout\"<\/span> do<\/span>\r\n    get<\/span> login_path<\/span>\r\n    post<\/span> login_path<\/span>,<\/span> params<\/span>:<\/span> {<\/span> session<\/span>:<\/span> {<\/span> email<\/span>:<\/span>    @user<\/span>.<\/span>email<\/span>,<\/span>\r\n                                          password<\/span>:<\/span> 'password'<\/span> }<\/span> }<\/span>\r\n    assert<\/span> is_logged_in?<\/span>\r\n    assert_redirected_to<\/span> @user<\/span>\r\n    follow_redirect!<\/span>\r\n    assert_template<\/span> 'users\/show'<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> login_path<\/span>,<\/span> count<\/span>:<\/span> 0<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> logout_path<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> user_path<\/span>(<\/span>@user<\/span>)<\/span>\r\n    delete<\/span> logout_path<\/span>\r\n    assert_not<\/span> is_logged_in?<\/span>\r\n    assert_redirected_to<\/span> root_url<\/span>\r\n    # 2\u756a\u76ee\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u30ed\u30b0\u30a2\u30a6\u30c8\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b<\/span>\r\n<\/span>    delete<\/span> logout_path<\/span>\r\n<\/span>    follow_redirect!<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> login_path<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> logout_path<\/span>,<\/span>      count<\/span>:<\/span> 0<\/span>\r\n    assert_select<\/span> \"a[href=?]\"<\/span>,<\/span> user_path<\/span>(<\/span>@user<\/span>),<\/span> count<\/span>:<\/span> 0<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
current_user<\/code>\u304c\u306a\u3044\u305f\u3081\u306b2\u56de\u76ee\u306edelete logout_path<\/code>\u306e\u547c\u3073\u51fa\u3057\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3001\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u306f\u00a0red<\/strong><\/span>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
red<\/strong><\/span><\/span><\/div>\n
<\/div>\n<\/div>\n
\u6b21\u306b\u3053\u306e\u30c6\u30b9\u30c8\u3092\u6210\u529f\u3055\u305b\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306flogged_in?<\/code>\u304ctrue\u306e\u5834\u5408\u306b\u9650\u3063\u3066log_out<\/code>\u3092\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n
\n
\u30ea\u30b9\u30c8 9.16:<\/span>\u00a0\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5834\u5408\u306e\u307f\u30ed\u30b0\u30a2\u30a6\u30c8\u3059\u308b\u00a0green<\/strong><\/span><\/span><\/div>\n
app\/controllers\/sessions_controller.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
class<\/span> SessionsController<\/span> <<\/span> ApplicationController<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  def<\/span> destroy<\/span>\r\n    log_out<\/span> if<\/span> logged_in?<\/span>\r\n<\/span>    redirect_to<\/span> root_url<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n
\u8a18\u61b6\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u3092\u6301\u305f\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u3092\u7528\u610f\u3057 (setup<\/code>\u30e1\u30bd\u30c3\u30c9\u3067\u5b9a\u7fa9\u3057\u305f@user<\/code>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3067\u306ftrue\u306b\u306a\u308a\u307e\u3059)\u3001\u7d9a\u3044\u3066authenticated?<\/code>\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n
\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u304c\u4f7f\u308f\u308c\u308b\u524d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u306e\u3067\u3001\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u306e\u5024\u306f\u4f55\u3067\u3082\u69cb\u308f\u306a\u3044\u306e\u3067\u3059\u3002<\/div>\n
<\/div>\n
\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306eauthenticated?<\/code>\u306e\u30c6\u30b9\u30c8\u00a0red<\/strong><\/span><\/span><\/div>\n
test\/models\/user_test.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UserTest<\/span> <<\/span> ActiveSupport<\/span>::<\/span>TestCase<\/span>\r\n\r\n  def<\/span> setup<\/span>\r\n    @user<\/span> =<\/span> User<\/span>.<\/span>new<\/span>(<\/span>name<\/span>:<\/span> \"Example User\"<\/span>,<\/span> email<\/span>:<\/span> \"user@example.com\"<\/span>,<\/span>\r\n                     password<\/span>:<\/span> \"foobar\"<\/span>,<\/span> password_confirmation<\/span>:<\/span> \"foobar\"<\/span>)<\/span>\r\n  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  test<\/span> \"authenticated? should return false for a user with nil digest\"<\/span> do<\/span>\r\n<\/span>    assert_not<\/span> @user<\/span>.<\/span>authenticated?<\/span>(<\/span>''<\/span>)<\/span>\r\n<\/span>  end<\/span>\r\n<\/span>end<\/span>\r\n<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\u4e0a\u306e\u30b3\u30fc\u30c9\u3067\u306fBCrypt::Password.new(nil)<\/code>\u3067\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u305f\u3081\u3001\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u306f\u00a0red<\/strong><\/span>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
red<\/strong><\/span><\/span><\/div>\n
\n
\n
rails test<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\u8a18\u61b6\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u304cnil<\/code>\u306e\u5834\u5408\u306bfalse<\/code>\u3092\u8fd4\u3059\u3088\u3046\u306b\u3059\u308c\u3070\u826f\u3055\u305d\u3046\u3067\u3059\u3002<\/div>\n
<\/div>\n
authenticated?<\/code>\u3092\u66f4\u65b0\u3057\u3066\u3001\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u5bfe\u5fdc\u00a0green<\/strong><\/span><\/span><\/div>\n
app\/models\/user.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
class<\/span> User<\/span> <<\/span> ApplicationRecord<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  # \u6e21\u3055\u308c\u305f\u30c8\u30fc\u30af\u30f3\u304c\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u3068\u4e00\u81f4\u3057\u305f\u3089true\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> authenticated?<\/span>(<\/span>remember_token<\/span>)<\/span>\r\n    return<\/span> false<\/span> if<\/span> remember_digest<\/span>.<\/span>nil?<\/span>\r\n<\/span>    BCrypt<\/span>::<\/span>Password<\/span>.<\/span>new<\/span>(<\/span>remember_digest<\/span>)<\/span>.<\/span>is_password?<\/span>(<\/span>remember_token<\/span>)<\/span>\r\n  end<\/span>\r\n\r\n  # \u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3092\u7834\u68c4\u3059\u308b<\/span>\r\n  def<\/span> forget<\/span>\r\n    update_attribute<\/span>(<\/span>:remember_digest<\/span>,<\/span> nil<\/span>)<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
green<\/strong><\/span><\/span><\/div>\n
\n
\n
rails test<\/strong><\/pre>\n<\/div>\n<\/div>\n
\u6f14\u7fd2<\/h3>\n
1:\u30ea\u30b9\u30c8 9.16<\/span>\u3067\u4fee\u6b63\u3057\u305f\u884c\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3001\uff12\u3064\u306e\u30ed\u30b0\u30a4\u30f3\u6e08\u307f\u306e\u30bf\u30d6\u306b\u3088\u308b\u30d0\u30b0\u3092\u5b9f\u969b\u306b\u78ba\u304b\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305a\u7247\u65b9\u306e\u30bf\u30d6\u3067\u30ed\u30b0\u30a2\u30a6\u30c8\u3057\u3001\u305d\u306e\u5f8c\u3001\u3082\u3046\uff11\u3064\u306e\u30bf\u30d6\u3067\u518d\u5ea6\u30ed\u30b0\u30a2\u30a6\u30c8\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n
\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b<\/p>\n
2:\u30ea\u30b9\u30c8 9.<\/span>19<\/span>\u3067\u4fee\u6b63\u3057\u305f\u884c\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3001\uff12\u3064\u306e\u30ed\u30b0\u30a4\u30f3\u6e08\u307f\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u308b\u30d0\u30b0\u3092\u5b9f\u969b\u306b\u78ba\u304b\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305a\u7247\u65b9\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30ed\u30b0\u30a2\u30a6\u30c8\u3057\u3001\u3082\u3046\u4e00\u65b9\u306e\u30d6\u30e9\u30a6\u30b6\u3092\u518d\u8d77\u52d5\u3057\u3066\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n
\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b<\/p>\n
\u4e0a\u306e\u30b3\u30fc\u30c9\u3067\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u305f\u90e8\u5206\u3092\u5143\u306b\u623b\u3057\u3001\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u304c\u00a0red<\/strong><\/span>\u00a0\u304b\u3089\u00a0green<\/strong><\/span>\u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b<\/p>\n
9.2\u00a0<\/span>[Remember me] \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9<\/h3>\n
\u00a0[remember me] \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3092\u30ed\u30b0\u30a4\u30f3\u30d5\u30a9\u30fc\u30e0\u306b\u8ffd\u52a0\u3059\u308bapp\/views\/sessions\/new.html.erb<\/code><\/strong><\/span><\/div>\n
\n
\n
<%<\/span> provide<\/span>(<\/span>:title<\/span>,<\/span> \"Log in\"<\/span>)<\/span> %><\/span>\r\n<<\/span>h1<\/span>><\/span>Log in<\/<\/span>h1<\/span>><\/span>\r\n\r\n<<\/span>div<\/span> class<\/span>=<\/span>\"row\"<\/span>><\/span>\r\n  <<\/span>div<\/span> class<\/span>=<\/span>\"col-md-6 col-md-offset-3\"<\/span>><\/span>\r\n    <%=<\/span> form_for<\/span>(<\/span>:session<\/span>,<\/span> url<\/span>:<\/span> login_path<\/span>)<\/span> do<\/span> |<\/span>f<\/span>|<\/span> %><\/span>\r\n\r\n      <%=<\/span> f<\/span>.<\/span>label<\/span> :email<\/span> %><\/span>\r\n      <%=<\/span> f<\/span>.<\/span>email_field<\/span> :email<\/span>,<\/span> class<\/span>:<\/span> 'form-control'<\/span> %><\/span>\r\n\r\n      <%=<\/span> f<\/span>.<\/span>label<\/span> :password<\/span> %><\/span>\r\n      <%=<\/span> f<\/span>.<\/span>password_field<\/span> :password<\/span>,<\/span> class<\/span>:<\/span> 'form-control'<\/span> %><\/span>\r\n\r\n      <%=<\/span> f<\/span>.<\/span>label<\/span> :remember_me<\/span>,<\/span> class<\/span>:<\/span> \"checkbox inline\"<\/span> do<\/span> %><\/span>\r\n<\/span>        <%=<\/span> f<\/span>.<\/span>check_box<\/span> :remember_me<\/span> %><\/span>\r\n<\/span>        <<\/span>span<\/span>><\/span>Remember me on this computer<\/<\/span>span<\/span>><\/span>\r\n<\/span>      <%<\/span> end<\/span> %><\/span>\r\n<\/span>\r\n      <%=<\/span> f<\/span>.<\/span>submit<\/span> \"Log in\"<\/span>,<\/span> class<\/span>:<\/span> \"btn btn-primary\"<\/span> %><\/span>\r\n    <%<\/span> end<\/span> %><\/span>\r\n\r\n    <<\/span>p<\/span>><\/span>New user? <%=<\/span> link_to<\/span> \"Sign up now!\"<\/span>,<\/span> signup_path<\/span> %><\/span><\/<\/span>p<\/span>><\/span>\r\n  <\/<\/span>div<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
[remember me] \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306eCSS<\/span><\/div>\n
app\/assets\/stylesheets\/custom.scss<\/code><\/span><\/strong><\/div>\n
\n
\n
.<\/span>\r\n.<\/span>\r\n.<\/span>\r\n\/*<\/span> forms<\/span> *\/<\/span>\r\n.<\/span>\r\n.<\/span>\r\n.<\/span>\r\n.checkbox<\/span> {<\/span>\r\n  margin-top<\/span>:<\/span> -10px<\/span>;<\/span>\r\n  margin-bottom<\/span>:<\/span> 10px<\/span>;<\/span>\r\n  span<\/span> {<\/span>\r\n    margin-left<\/span>:<\/span> 20px<\/span>;<\/span>\r\n    font-weight<\/span>:<\/span> normal<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n#session_remember_me<\/span> {<\/span>\r\n  width<\/span>:<\/span> auto<\/span>;<\/span>\r\n  margin-left<\/span>:<\/span> 0<\/span>;<\/span>\r\n}<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
[remember me] \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306e\u9001\u4fe1\u7d50\u679c\u3092\u51e6\u7406\u3059\u308bapp\/controllers\/sessions_controller.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
class<\/span> SessionsController<\/span> <<\/span> ApplicationController<\/span>\r\n\r\n  def<\/span> new<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> create<\/span>\r\n    user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>email<\/span>:<\/span> params<\/span>[<\/span>:session<\/span>][<\/span>:email<\/span>].<\/span>downcase<\/span>)<\/span>\r\n    if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticate<\/span>(<\/span>params<\/span>[<\/span>:session<\/span>][<\/span>:password<\/span>]<\/span>)<\/span>\r\n      log_in<\/span> user<\/span>\r\n      params<\/span>[<\/span>:session<\/span>][<\/span>:remember_me<\/span>]<\/span> ==<\/span> '1'<\/span> ?<\/span> remember<\/span>(<\/span>user<\/span>)<\/span> :<\/span> forget<\/span>(<\/span>user<\/span>)<\/span>\r\n<\/span>      redirect_to<\/span> user<\/span>\r\n    else<\/span>\r\n      flash<\/span>.<\/span>now<\/span>[<\/span>:danger<\/span>]<\/span> =<\/span> 'Invalid email\/password combination'<\/span>\r\n      render<\/span> 'new'<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> destroy<\/span>\r\n    log_out<\/span> if<\/span> logged_in?<\/span>\r\n    redirect_to<\/span> root_url<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\u6f14\u7fd2<\/h2>\n
<\/div>\n
1:\u30d6\u30e9\u30a6\u30b6\u3067cookies\u60c5\u5831\u3092\u8abf\u3079\u3001[remember me] \u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3068\u304d\u306b\u610f\u56f3\u3057\u305f\u7d50\u679c\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><\/h3>\n
\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b<\/p>\n
2:\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u958b\u304d\u3001\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u305f\u5b9f\u4f8b\u3092\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/h3>\n
params<\/span>[<\/span>:session<\/span>][<\/span>:remember_me<\/span>]<\/span> ==<\/span> ‘1’<\/span> ?<\/span> remember<\/span>(<\/span>user<\/span>)<\/span> :<\/span> forget<\/span>(<\/span>user<\/span>)<\/span><\/span><\/strong><\/p>\n
9.3.1\u00a0<\/span>[Remember me] \u30dc\u30c3\u30af\u30b9\u3092\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n
log_in_as<\/code>\u30d8\u30eb\u30d1\u30fc\u3092\u8ffd\u52a0\u3059\u308btest\/test_helper.rb<\/code><\/strong><\/span><\/div>\n
\n
\n
ENV<\/span>[<\/span>'RAILS_ENV'<\/span>]<\/span> ||=<\/span> 'test'<\/span>\r\n.<\/span>\r\n.<\/span>\r\n.<\/span>\r\nclass<\/span> ActiveSupport<\/span>::<\/span>TestCase<\/span>\r\n  fixtures<\/span> :all<\/span>\r\n\r\n<\/strong>  # \u30c6\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u4e2d\u306e\u5834\u5408\u306btrue\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> is_logged_in?<\/span>\r\n    !<\/span>session<\/span>[<\/span>:user_id<\/span>].<\/span>nil?<\/span>\r\n  end<\/span>\r\n\r\n<\/strong>  # \u30c6\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u3059\u308b<\/span>\r\n  def<\/span> log_in_as<\/span>(<\/span>user<\/span>)\r\n<\/span><\/span>    session<\/span>[<\/span>:user_id<\/span>]<\/span> =<\/span> user<\/span>.<\/span>id<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\nclass<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n\r\n  # \u30c6\u30b9\u30c8\u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u30ed\u30b0\u30a4\u30f3\u3059\u308b<\/span>\r\n  def<\/span> log_in_as<\/span>(<\/span>user<\/span>,<\/span> password<\/span>:<\/span> 'password'<\/span>,<\/span> remember_me<\/span>:<\/span> '1'<\/span>)\r\n<\/span><\/span>    post<\/span> login_path<\/span>,<\/span> params<\/span>:<\/span> {<\/span> session<\/span>:<\/span> {<\/span> email<\/span>:<\/span> user<\/span>.<\/span>email<\/span>,<\/span>\r\n    password<\/span>:<\/span> password<\/span>, <\/span>remember_me<\/span>:<\/span> remember_me<\/span> }<\/span> }<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
\n
[remember me] \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306e\u30c6\u30b9\u30c8\u00a0green<\/strong><\/span><\/span><\/div>\n
test\/integration\/users_login_test.rb<\/code><\/span><\/strong><\/div>\n
\n
\n
require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersLoginTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>\r\n\r\n  def<\/span> setup<\/span>\r\n    @user<\/span> =<\/span> users<\/span>(<\/span>:michael<\/span>)<\/span>\r\n  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  test<\/span> \"login with remembering\"<\/span> do<\/span>\r\n    log_in_as<\/span>(<\/span>@user<\/span>,<\/span> remember_me<\/span>:<\/span> '1'<\/span>)<\/span>\r\n<\/span>    assert_not_empty<\/span> cookies<\/span>[<\/span>'remember_token'<\/span>]<\/span>\r\n<\/span>  end<\/span>\r\n\r\n  test<\/span> \"login without remembering\"<\/span> do<\/span>\r\n    # \u30af\u30c3\u30ad\u30fc\u3092\u4fdd\u5b58\u3057\u3066\u30ed\u30b0\u30a4\u30f3<\/span>\r\n<\/span>    log_in_as<\/span>(<\/span>@user<\/span>,<\/span> remember_me<\/span>:<\/span> '1'<\/span>)<\/span>\r\n<\/span>    delete<\/span> logout_path<\/span>\r\n<\/span>    # \u30af\u30c3\u30ad\u30fc\u3092\u524a\u9664\u3057\u3066\u30ed\u30b0\u30a4\u30f3<\/span>\r\n<\/span>    log_in_as<\/span>(<\/span>@user<\/span>,<\/span> remember_me<\/span>:<\/span> '0'<\/span>)<\/span>\r\n<\/span>    assert_empty<\/span> cookies<\/span>[<\/span>'remember_token'<\/span>]<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\u3053\u306e\u30c6\u30b9\u30c8\u306f green<\/strong><\/span>\u306b\u306a\u3063\u3066\u3044\u308b\u306f\u305a\u3067\u3057\u3087\u3046\u3002<\/p>\n
\n
\n
\n
rails test<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
\u6f14\u7fd2<\/h3>\n
<\/div>\n
    \n
  1. test\/integration\/users_login_test.rb<\/code><\/span><\/strong><\/span>\u306e\u7d71\u5408\u30c6\u30b9\u30c8\u3067\u306f\u3001\u4eee\u60f3\u306eremember_token<\/code>\u5c5e\u6027\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3068\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001
    \n\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u5b9a\u7fa9\u3057\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/em>\u5909\u6570\u306b\u30c6\u30b9\u30c8\u306e\u5185\u90e8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001\u30c6\u30b9\u30c8\u5185\u90e8\u3067assigns<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306b\u5bfe\u5fdc\u3059\u308b\u30b7\u30f3\u30dc\u30eb\u3092\u6e21\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070create<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u3067@user<\/code>\u3068\u3044\u3046\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u30c6\u30b9\u30c8\u5185\u90e8\u3067\u306fassigns(:user)<\/code>\u3068\u66f8\u304f\u3053\u3068\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a2\u30a4\u30c7\u30a2\u306b\u5f93\u3063\u3066\u30ea\u30b9\u30c8\u00a09.27<\/span>\u3068\u30ea\u30b9\u30c8\u00a09.28<\/span>\u306e\u4e0d\u8db3\u5206\u3092\u57cb\u3081 (\u30d2\u30f3\u30c8\u3068\u3057\u3066?<\/code>\u3084FILL_IN<\/code>\u3092\u76ee\u5370\u306b\u7f6e\u3044\u3066\u3042\u308a\u307e\u3059)\u3001[remember me] \u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306e\u30c6\u30b9\u30c8\u3092\u6539\u826f\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/sup><\/span><\/li>\n<\/ol>\n
    \n
    \u30ea\u30b9\u30c8 9.27:<\/span>\u00a0create<\/code>\u30a2\u30af\u30b7\u30e7\u30f3\u5185\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3092\u4f7f\u3046\u305f\u3081\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8app\/controllers\/sessions_controller.rb<\/code><\/strong><\/span><\/div>\n
    \n
    \n
    class<\/span> SessionsController<\/span> <<\/span> ApplicationController<\/span>\r\n\r\n  def<\/span> new<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> create<\/span>\r\n    ?<\/span>user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>email<\/span>:<\/span> params<\/span>[<\/span>:session<\/span>][<\/span>:email<\/span>].<\/span>downcase<\/span>)<\/span>\r\n<\/span>    if<\/span> ?<\/span>user<\/span> &&<\/span> ?<\/span>user<\/span>.<\/span>authenticate<\/span>(<\/span>params<\/span>[<\/span>:session<\/span>][<\/span>:password<\/span>]<\/span>)<\/span>\r\n<\/span>      log_in<\/span> ?<\/span>user<\/span>\r\n<\/span>      params<\/span>[<\/span>:session<\/span>][<\/span>:remember_me<\/span>]<\/span> ==<\/span> '1'<\/span> ?<\/span> remember<\/span>(?<\/span>user<\/span>)<\/span> :<\/span> forget<\/span>(?<\/span>user<\/span>)<\/span>\r\n<\/span>      redirect_to<\/span> ?<\/span>user<\/span>\r\n<\/span>    else<\/span>\r\n      flash<\/span>.<\/span>now<\/span>[<\/span>:danger<\/span>]<\/span> =<\/span> 'Invalid email\/password combination'<\/span>\r\n      render<\/span> 'new'<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n\r\n  def<\/span> destroy<\/span>\r\n    log_out<\/span> if<\/span> logged_in?<\/span>\r\n    redirect_to<\/span> root_url<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n
    \n
    \u30ea\u30b9\u30c8 9.28:<\/span>\u00a0[remember me] \u30c6\u30b9\u30c8\u3092\u6539\u826f\u3059\u308b\u305f\u3081\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u00a0green<\/strong><\/span><\/span><\/div>\n
    test\/integration\/users_login_test.rb<\/code><\/span><\/strong><\/div>\n
    \n
    \n
    require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> UsersLoginTest<\/span> <<\/span> ActionDispatch<\/span>::<\/span>IntegrationTest<\/span>  \u00a0\r\n   #\u7565 \r\n\u00a0  test<\/span> \"login with remembering\"<\/span> do<\/span>\r\n   log_in_as<\/span>(<\/span>@user<\/span>,<\/span> remember_me<\/span>:<\/span> '1'<\/span>)\r\n<\/span>   assert_equal cookies['<\/span>remember_token<\/span>'<\/span>], assigns(:user<\/span>).remember_token\r\n  end\r\n<\/span>  #\u7565<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
    9.3.2\u00a0<\/span>[Remember me] \u3092\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n
    \u30c6\u30b9\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30d6\u30e9\u30f3\u30c1\u3067\u4f8b\u5916\u3092\u767a\u751f\u3059\u308b\u00a0green<\/strong><\/span><\/span><\/div>\n
    app\/helpers\/sessions_helper.rb<\/code><\/span><\/strong><\/div>\n
    \n
    \n
    module<\/span> SessionsHelper<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  # \u8a18\u61b6\u30c8\u30fc\u30af\u30f3cookie\u306b\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> current_user<\/span>\r\n    if<\/span> (<\/span>user_id<\/span> =<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n      @current_user<\/span> ||=<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span>\r\n    elsif<\/span> (<\/span>user_id<\/span> =<\/span> cookies<\/span>.<\/span>signed<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n      raise<\/span>       # \u30c6\u30b9\u30c8\u304c\u30d1\u30b9\u3059\u308c\u3070\u3001\u3053\u306e\u90e8\u5206\u304c\u30c6\u30b9\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308b<\/span>\r\n<\/span>      user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span>\r\n      if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticated?<\/span>(<\/span>cookies<\/span>[<\/span>:remember_token<\/span>]<\/span>)<\/span>\r\n        log_in<\/span> user<\/span>\r\n        @current_user<\/span> =<\/span> user<\/span>\r\n      end<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n
    rails test<\/strong><\/pre>\n
    9.3.2 <\/span>[Remember me] \u3092\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n
      \n
    1. fixture\u3067user<\/code>\u5909\u6570\u3092\u5b9a\u7fa9\u3059\u308b<\/li>\n
    2. \u6e21\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3092remember<\/code>\u30e1\u30bd\u30c3\u30c9\u3067\u8a18\u61b6\u3059\u308b<\/li>\n
    3. current_user<\/code>\u304c\u3001\u6e21\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3068\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059<\/li>\n<\/ol>\n
      \u4e0a\u306e\u624b\u9806\u3067\u306fremember<\/code>\u30e1\u30bd\u30c3\u30c9\u3067\u306fsession[:user_id]<\/code>\u304c\u8a2d\u5b9a\u3055\u308c\u306a\u3044\u306e\u3067\u3001\u3053\u308c\u3067\u554f\u984c\u3068\u306a\u3063\u3066\u3044\u308b\u8907\u96d1\u306a\u5206\u5c90\u51e6\u7406\u3082\u30c6\u30b9\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u4f5c\u6210\u3057\u305f\u30b3\u30fc\u30c9\u3092\u30ea\u30b9\u30c8\u00a09.31<\/span><\/a>\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n
      \n
      \u30ea\u30b9\u30c8 9.31:<\/span>\u00a0\u6c38\u7d9a\u7684\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u30c6\u30b9\u30c8test\/helpers\/sessions_helper_test.rb<\/code><\/strong><\/span><\/div>\n
      \n
      \n
      require<\/span> 'test_helper'<\/span>\r\n\r\nclass<\/span> SessionsHelperTest<\/span> <<\/span> ActionView<\/span>::<\/span>TestCase<\/span>\r\n\r\n  def<\/span> setup<\/span>\r\n    @user<\/span> =<\/span> users<\/span>(<\/span>:michael<\/span>)<\/span>\r\n    remember<\/span>(<\/span>@user<\/span>)<\/span>\r\n  end<\/span>\r\n\r\n  test<\/span> \"current_user returns right user when session is nil\"<\/span> do<\/span>\r\n    assert_equal<\/span> @user<\/span>,<\/span> current_user<\/span>\r\n    assert<\/span> is_logged_in?<\/span>\r\n  end<\/span>\r\n\r\n  test<\/span> \"current_user returns nil when remember digest is wrong\"<\/span> do<\/span>\r\n    @user<\/span>.<\/span>update_attribute<\/span>(<\/span>:remember_digest<\/span>,<\/span> User<\/span>.<\/span>digest<\/span>(<\/span>User<\/span>.<\/span>new_token<\/span>))<\/span>\r\n    assert_nil<\/span> current_user<\/span>\r\n  end<\/span>\r\nend<\/span><\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      red<\/strong><\/span><\/span><\/div>\n
      \n
      \n
      rails test test\/helpers\/sessions_helper_test.rb<\/strong><\/pre>\n<\/div>\n<\/div>\n
      \n
      \u4f8b\u5916\u767a\u751f\u90e8\u5206\u3092\u524a\u9664\u3059\u308b\u00a0green<\/strong><\/span><\/span><\/div>\n
      app\/helpers\/sessions_helper.rb<\/code><\/span><\/strong><\/div>\n
      \n
      \n
      module<\/span> SessionsHelper<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  # \u8a18\u61b6\u30c8\u30fc\u30af\u30f3cookie\u306b\u5bfe\u5fdc\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u8fd4\u3059<\/span>\r\n  def<\/span> current_user<\/span>\r\n    if<\/span> (<\/span>user_id<\/span> =<\/span> session<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n      @current_user<\/span> ||=<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span>\r\n    elsif<\/span> (<\/span>user_id<\/span> =<\/span> cookies<\/span>.<\/span>signed<\/span>[<\/span>:user_id<\/span>]<\/span>)<\/span>\r\n<\/span>      user<\/span> =<\/span> User<\/span>.<\/span>find_by<\/span>(<\/span>id<\/span>:<\/span> user_id<\/span>)<\/span>\r\n      if<\/span> user<\/span> &&<\/span> user<\/span>.<\/span>authenticated?<\/span>(<\/span>cookies<\/span>[<\/span>:remember_token<\/span>]<\/span>)<\/span>\r\n        log_in<\/span> user<\/span>\r\n        @current_user<\/span> =<\/span> user<\/span>\r\n      end<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\n  .<\/span>\r\nend<\/span>\r\n<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      \u3053\u308c\u3067\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u306f\u00a0green<\/strong><\/span>\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
      \n
      \n
      \n
      rails test<\/strong><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      \u6f14\u7fd2<\/h3>\n
      <\/div>\n
      1:app\/helpers\/sessions_helper.rb<\/code><\/span><\/strong>\u306b\u3042\u308bauthenticated?<\/code>\u306e\u5f0f\u3092\u524a\u9664\u3059\u308b\u3068\u3001\uff12\u3064\u76ee\u306e\u30c6\u30b9\u30c8\u3067\u5931\u6557\u3059\u308b\u3053\u3068\u3092\u78ba\u304b\u3081\u3066\u307f\u307e\u3057\u3087\u3046 (\u3053\u306e\u30c6\u30b9\u30c8\u304c\u6b63\u3057\u3044\u5bfe\u8c61\u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046)\u3002<\/p>\n
      \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u30c6\u30b9\u30c8\u3059\u308b\u3002<\/p>\n
      9.4.1 \u672c\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n
      1:Rails\u3067\u306f\u3001\u3042\u308b\u30da\u30fc\u30b8\u304b\u3089\u5225\u306e\u30da\u30fc\u30b8\u306b\u79fb\u52d5\u3059\u308b\u3068\u304d\u306b\u72b6\u614b\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u304c
      \n\u3067\u304d\u308b\u3002\u30da\u30fc\u30b8\u306e\u72b6\u614b\u3092\u9577\u671f\u9593\u4fdd\u6301\u3057\u305f\u3044\u3068\u304d\u306f\u3001cookies\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066
      \n\u6c38\u7d9a\u7684\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u3059\u308b<\/h4>\n
      2:\u8a18\u61b6\u30c8\u30fc\u30af\u30f3\u3068\u8a18\u61b6\u30c0\u30a4\u30b8\u30a7\u30b9\u30c8\u3092\u30e6\u30fc\u30b6\u30fc\u3054\u3068\u306b\u95a2\u9023\u4ed8\u3051\u3066\u3001\u6c38\u7d9a\u7684\u30bb\u30c3\u30b7\u30e7\u30f3
      \n\u304c\u5b9f\u73fe\u3067\u304d\u308b<\/h4>\n
      3:cookies\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u306bcookies\u306a\u3069\u3092\u4fdd\u5b58\u3067\u304d\u308b<\/h4>\n
      4:\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3082\u3057\u304f\u306f\u30af\u30c3\u30ad\u30fc\u306e\u72b6\u614b\u306b\u57fa\u3065\u3044\u3066\u6c7a\u5b9a\u3055\u308c\u308b<\/h4>\n
      5:\u30bb\u30c3\u30b7\u30e7\u30f3\u3068\u30af\u30c3\u30ad\u30fc\u3092\u305d\u308c\u305e\u308c\u524a\u9664\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a2\u30a6\u30c8\u304c\u5b9f\u73fe\u3067\u304d\u308b<\/h4>\n
      6:\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5358\u7d14\u306aif-then\u6587\u3092\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u8a18\u8ff0\u3067\u304d\u308b<\/h4>\n
      \u305d\u306e10\u306b\u7d9a\u304d\u307e\u3059<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"
      \u305d\u306e8\u304b\u3089\u7d9a\u304f 9.1\u00a0Remember me \u6a5f\u80fd \u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3092\u30d6\u30e9\u30a6\u30b6\u3092\u9589\u3058\u305f\u5f8c\u3067\u3082\u6709\u52b9\u306b\u3059\u308b [remember me] \u6a5f\u80fd\u6c38\u7d9a\u30af\u30c3\u30ad\u30fc (permanent cookies) \u3092\u4f7f\u3063\u3066\u3053\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe […]<\/p>\n","protected":false},"author":1,"featured_media":2764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[27,13],"tags":[],"class_list":["post-2924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-note","category-rails"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=2924"}],"version-history":[{"count":11,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2924\/revisions"}],"predecessor-version":[{"id":4539,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/2924\/revisions\/4539"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media\/2764"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=2924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=2924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=2924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}