Simple JWT Golang

Overview

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Simple JSON Web Token - Uses HMAC SHA-256

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Example

// Set Claims
claims := New()
claims.Set("username", "billymister")
claims.Set("account_id", 8675309)

// Generate jwt
secretKey := []byte("secret_key_here")
jwt := claims.Generate(secretKey)

Example parse

// Parse jwt
jwt := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
claims, _ := Parse(jwt)

// Get claims
name, err := claims.GetStr("name") // John Doe

Example verify and validate

jwt := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
secretKey := []byte("secret_key_here")

// Verify that the secret signature is valid
hasVerified := Verify(jwt, secretKey)

// Parse jwt
claims, _ := Parse(jwt)

// Validate will check(if set) Expiration At and Not Before At dates
err := claims.Validate()

Example usage of registered claims

// Set Claims
claims := New()
claims.SetTokenID()                                  // UUID generated
claims.SetSubject("Subject Title")                   // Subject of the token
claims.SetIssuer("Google")                           // Issuer of the token
claims.SetAudience([]string{"Google", "Facebook"})   // Audience the toke is for
claims.SetIssuedAt(time.Now())                       // IssuedAt in time, value is set in unix
claims.SetNotBeforeAt(time.Now().Add(time.Hour * 1)) // Token valid in 1 hour
claims.SetExpiresAt(time.Now().Add(time.Hour * 24))  // Token expires in 24 hours

// Generate jwt
secretKey := []byte("secret_key_here")
jwt := claims.Generate(secretKey)

Example usage of struct to claims

type Info struct {
    Name string `json:"name"`
}

// Marshal your struct into claims
info := Info{Name: "Billy Mister"}
claims, _ := ToClaims(info)

// Generate jwt
secretKey := []byte("secret_key_here")
jwt := claims.Generate(secretKey)

Why?

For all the times I have needed the use of a jwt, its always been a simple HMAC SHA-256 and thats normally the use of most jwt tokens.

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Comments
  • Bugfix/verify boundary check

    Bugfix/verify boundary check

    Verify should have the same kind of boundary check as Parse does if we want to avoid Panic at runtime. This PR add a test and fix to the Verify function.

    opened by Pawda 2
Releases(v0.9.6)
Owner
Brian Voelker
Senior Full Stack Developer. Love working with golang and building front end applications.
Brian Voelker
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