https://github.com/zekrotja/jwt

A very simplistic implementation of JWT taking advantage of Go 1.18 generic type parameters for parsing claim objects.
https://github.com/zekrotja/jwt

generic go go118 hacktoberfest jwt

Last synced: about 2 months ago
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A very simplistic implementation of JWT taking advantage of Go 1.18 generic type parameters for parsing claim objects.

• Host: GitHub
• URL: https://github.com/zekrotja/jwt
• Owner: zekroTJA
• License: mit
• Created: 2022-04-24T14:17:42.000Z (about 3 years ago)
• Default Branch: master
• Last Pushed: 2023-10-09T11:41:47.000Z (over 1 year ago)
• Last Synced: 2025-04-02T17:53:31.237Z (about 2 months ago)
• Topics: generic, go, go118, hacktoberfest, jwt
• Language: Go
• Homepage:
• Size: 15.6 KB
• Stars: 1
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# jwt

This is a very simplistic implementation of JWT using hashing algorithms like `HS256` or `HS512` and taking advantage of Go 1.18 generic type parameters for parsing claim objects.

This package is very much inspired and influenced by [robbert229's JWT implementation](https://github.com/robbert229/jwt). [Here](https://github.com/robbert229/jwt/blob/master/LICENSE) you can find the projects License.

## Usage

```go

const signingSecret = "3U5o3Z#XqfLpr3pjGknwWa^u6)CCo&&G"

algorithm := jwt.NewHmacSha512([]byte(signingSecret))

handler := jwt.NewHandler[Claims](algorithm)

claims := new(Claims)

claims.UserID = "221905671296253953"

claims.Iss = "jwt example"

claims.SetIat()

claims.SetExpDuration(15 * time.Minute)

claims.SetNbfTime(time.Now())

token, err := handler.EncodeAndSign(*claims)

if err != nil {

	log.Fatalf("Token generation failed: %s", err.Error())

}

log.Printf("Token generated: %s", token)

recoveredClaims, err := handler.DecodeAndValidate(token)

if err != nil {

	log.Fatalf("Token validation failed: %s", err.Error())

}

log.Printf("Recovered claims: %+v", recoveredClaims)

```

Go to [example](example) to see the full example.