example.go

package main

import (
	"github.com/ory-am/hydra/sdk"
	"log"
)

const clientID = "150e7592-8b54-47f9-80fc-ba2af28762f3"
const clientSecret = ""
const state = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"

func main() {
	hydraClient, err := sdk.Connect(
		sdk.ClientID(clientID),
		sdk.ClientSecret(clientSecret),
		sdk.ClusterURL("http://localhost:4444"),
		sdk.SkipTLSVerify(),
	)

	if err != nil {
		log.Fatalln(err.Error())
	}

	authURL := hydraClient.OAuth2Config("http://localhost:4445/callback", "offline", "openid").AuthCodeURL(state) + "&nonce=" + state
	log.Println("Auth URL: ", authURL)
}

hydra_client_record.txt

-[ RECORD 1 ]--+-------------------------------------------------------------
id             | 150e7592-8b54-47f9-80fc-ba2af28762f3
client_name    | My Awesome Public Client 2!
client_secret  | $2a$10$6FZjMSYNV.7zByD44ieOwOms492OpzNFQL2ohGjAIpjpg04vf70QW
redirect_uris  | urn:ietf:wg:oauth:2.0:oob
grant_types    | implicit|refresh_token|password|client_credentials
response_types | id_token|token|code
scope          | offline hydra openid
owner          | :BdRkm/;hOO2
policy_uri     | 
tos_uri        | 
client_uri     | 
logo_uri       | 
contacts       | 
public         | t

output.txt

oauth2: cannot fetch token: 400 Bad Request
Response: {"error":"invalid_grant","error_description":"The provided authorization grant (e.g., authorization code, resource owner credentials) or refresh token is invalid, expired, revoked, does not match the redirection URI used in the authorization request, or was issued to another client","statusCode":400}
exit status 1