9 #Rails

http://railstutorial.jp/

Rails

by YassLab

Slideshare

http://www.slideshare.net/yasulab/presentations

Cloud9

1. 2. URL 3.

https://ide.c9.io/yasulab/rails-tutorial

https://rails-tutorial-yasulab.c9users.io/

URL “Collaborate” → “Group Chat”

! :)

Ready?

!

9 #Rails

http://railstutorial.jp/

Rails

by YassLab

1. session :

• Session RESTful

• Session /

2. /

• Log in/out

•

•signup .

1. Remember me

•

2. Cookies Token

• /

• Check Box

3. Remember me

9 9.1 Remember me

http://railstutorial.jp/

Rails

by YassLab

1. 🏦

👉 .

2. 💰 ✅

👉 ( ) .

3. 🐦 SNS 🤔

👉 ( ) .

?,

:

1.

👉 SSL (HTTPS) ✅

2. DB ( )

👉 ( ) 🤔

3. XSS

👉 CSRF ✅

4.

👉 🤔

🤔

Router

Controller

View

Model

DatabaseReq.

HTML

Cookies

2 Rails

🔑

DB

bcrypt

foobarhogehoge

$10$2FIEggLq.BFq7J17N7a9C.mTBgKeJ9uWanLq…

$2a$10$Kc/EY79ieCTBVYFktWkUKOhhY0kItaYPAyMsT23rvAR…

password_digest

🔑 🔑

DB

bcrypt

$10$2FIEggLq.BFq7J17N7a9C.mTBgKeJ9uWanLq…

$2a$10$Kc/EY79ieCTBVYFktWkUKOhhY0kItaYPAyMsT23rvAR…

remember_digest

q5lt38hQDc959PVoo6b7

vpb8MgPiJyI5UlRjfeuAZA🔑 🔑

ID

User.find_by(❓)

@user.authenticate(🔑)$2a$10$Kc/EY79ieCTBVYFktWkUKOhhY0kItaYPAyMsT23rvAR…

remember_digest

signed[:user_id]340394

vpb8MgPiJyI5UlRjfeuAZA🔑user_id: 3

email 😭

1. $ rails generate migration add_remember_digest_to_users remember_digest:string

2. SecureRandom.urlsafe_base64

3. DB

4. cookies ID Token

5. cookies ID DB .cookies Token .

🔧

🎥

🎥 Cookies

1. :

log_out log_out ..

2.

:

nil Bcrypt .nil return .

2

9 9.2 [Remember me]

http://railstutorial.jp/

Rails

by YassLab

1. Log in

2. CSS

3. params[:session][:remember_me] , remember ,

forget .

[Remember me]

9 9.3 [Remember me]

http://railstutorial.jp/

Rails

by YassLab

1. log_in_as ! 🔓

2. [Remeber me] . (nil ) .

[Remember me]

1. raise

2. log_in_as

3. SessionsHelper

4. log_in_as cookies

5. (nil )

[Remember me]

9 9.4

http://railstutorial.jp/

Rails

by YassLab

• Test→Commit→Merge→Push 💨

…

⚠ Heroku push !

🔧 DB

• Heroku migrate console 💻 ☁$ heroku run rails db:migrate $ heroku run console --sandbox

1. Remember me

•

2. Cookies Token

• /

• Check Box

3. Remember me

7 108~9

Action Controller http://railsguides.jp/action_controller_overview.html

Action View http://railsguides.jp/form_helpers.html

Rails http://railsguides.jp/security.html

• :)

• : http://railstutorial.jp/seminars

• :) ,

.

• , .

9 #Rails

http://railstutorial.jp/

Rails

by YassLab