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I Don’t Care About Security
And Neither Should You
@joel__lord
#confoo
About Me
@joel__lord
joellord
OAuth - Flows
Authorization Code
OAuth - Flows
Authorization Code
OAuth - Flows
Authorization Code
That reminds me of OAuth!
OAuth - Flows
Authorization Code
OAuth - Flows
Authorization Code
OAuth - Flows
Authorization Code
OAuth - Flows
Authorization Code
OAuth - Flows
Authorization Code
OAuth - Flows
Authorization Code
But Why?
Delegation!
Traditional
Applications
! Browser requests a
login page
Traditional
Applications
! Browser requests a
login page
Traditional
Applications
! Browser requests a
login page
Traditional
Applications
! Browser requests a
login page
! The server validates
on its database
Traditional
Applications
! Browser requests a
login page
! The server validates
on its database
👍
Traditional
Applications
! Browser requests a
login page
! The server validates
on its database
! It creates a session
and provides a
cookie identifier
What’s wrong with
traditional auth?
! Multiple platforms
connecting to your
application
! Tightly coupled
! Sharing credentials
to connect to another
API
! Users have a
gazillion passwords
to remember, which
increases security
risks
What’s wrong with
traditional auth?
! Multiple platforms
connecting to your
application
! Tightly coupled
! Sharing credentials
to connect to another
API
! Users have a
gazillion passwords
to remember, which
increases security
risks
What’s wrong with
traditional auth?
! Multiple platforms
connecting to your
application
! Tightly coupled
! Sharing credentials
to connect to another
API
! Users have a
gazillion passwords
to remember, which
increases security
risks
What’s wrong with
traditional auth?
! Multiple platforms
connecting to your
application
! Tightly coupled
! Sharing credentials
to connect to another
API
! Users have a
gazillion passwords
to remember, which
increases security
risks
OAuth - The Flows
Authorization Code
Authentication Flows
Authorization Code
Authentication Flows
Authorization Code
Authentication Flows
Authorization Code
Authentication Flows
Authorization Code
Authentication Flows
Authorization Code
Authentication Flows
Authorization Code
Tokens 101
OAuth
Tokens
Access Token Refresh Token
! Give you access to a resource
! Controls access to your API
! Short lived
! Enables you to get a new token
! Longed lived
! Can be revoked
OAuth
Tokens
! WS-Federated
! SAML
! JWT
! Custom stuff
! More…
JSON Web Token
! Header
! Payload
! Signature
Header
{
"alg": "HS256",
"typ": "JWT"
}
Payload
{
"sub": "1234567890",
"name": "Joel Lord",
"admin": true
}
Signature
HMACSHA256(
base64UrlEncode(header) + "." +
base64UrlEncode(payload), secret)
JSON Web Token
! Header
! Payload
! Signature
Header
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9
Payload
eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvZWwgTG
9yZCIsImFkbWluIjp0cnVlLCJzY29wZSI6InBvc3RzOnJlY
WQgcG9zdHM6d3JpdGUifQ
Signature
XesR-pKdlscHfUwoKvHnACqfpe2ywJ6t1BJKsq9rEcg
JSON Web Token
! Header
! Payload
! Signature eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMj
M0NTY3ODkwIiwibmFtZSI6IkpvZWwgTG9yZCIsImFkbWl
uIjp0cnVlLCJzY29wZSI6InBvc3RzOnJlYWQgcG9zdHM6d
3JpdGUifQ.XesR-
pKdlscHfUwoKvHnACqfpe2ywJ6t1BJKsq9rEcg
JSON Web Token
! Header
! Payload
! Signature
Image: https://jwt.io
OAuth - The Flows
Implicit Flow
Authentication Flows
Implicit Flow
Authentication Flows
Implicit Flow
Authentication Flows
Implicit Flow
Authentication Flows
Implicit Flow
Authentication Flows
Implicit Flow
Authentication Flows
Implicit Flow
Codiiiing Time!
Auth Server API
Live Demo
github.com/joellord/idontcare
Delegation!
OpenID Connect
Flow
OpenID Connect
Flow
OpenID Connect
Flow
This is just like OpenID Connect
OpenID Connect
! Built on top of OAuth 2.0
! OpenID Connect (OIDC) is to OpenID what
Javascript is to Java
! Provides Identity Tokens in JWT format
! Uses a /userinfo endpoint to provide the info
OpenID Connect
Scopes
! openid
! profile
! email
! address
! phone
OpenID Connect Flows
Authorization Code
scope=openid%20profile
Authentication Flows
Authorization Code
Authentication Flows
Authorization Code
Authentication Flows
Authorization Code
/userinfo
OpenID Connect
Full flow
https://openidconnect.net
Delegation!
I Don’t Care About Security
Montreal Front-End Developers, March 2018
@joel__lord
joellord

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