Created
July 1, 2021 06:41
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JWKs Validation in Golang
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| package main | |
| import ( | |
| "encoding/json" | |
| "fmt" | |
| "log" | |
| "time" | |
| "github.com/MicahParks/keyfunc" | |
| "github.com/golang-jwt/jwt" | |
| ) | |
| func main() { | |
| // Get a JWT to parse. | |
| jwtB64 := "OIDC_ACCESS_TOKEN" | |
| //################ | |
| // Get the JWKs URL from an environment variable. | |
| // jwksURL := "OIDC_JWKS_URL" | |
| // Create the JWKs from the resource at the given URL. | |
| // jwks, err := keyfunc.Get(jwksURL) | |
| // if err != nil { | |
| // log.Fatalf("Failed to get the JWKs from the given URL.\nError:%s\n", err.Error()) | |
| // } | |
| //################ | |
| //******** | |
| // Get the JWKS as JSON. | |
| var jwksJSON json.RawMessage = []byte("JWKS_URI_KEYS_JSON") | |
| // //Create the JWKS from the resource at the given URL. | |
| jwks, err := keyfunc.New(jwksJSON) | |
| if err != nil { | |
| log.Fatalf("Failed to create JWKS from resource at the given URL.\nError: %s", err.Error()) | |
| } | |
| //******** | |
| // Parse the JWT. | |
| token, err := jwt.Parse(jwtB64, jwks.KeyFunc) | |
| if err != nil { | |
| log.Fatalf("Failed to parse the JWT.\nError: %s", err.Error()) | |
| } | |
| // Check if the token is valid. | |
| if !token.Valid { | |
| log.Fatalf("The token is not valid.") | |
| } | |
| log.Println("The token is valid.") | |
| } |
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