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main.go
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main.go
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/*
* Copyright 2022-2023 ForgeRock AS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"flag"
"fmt"
"net/url"
"os"
"github.com/ForgeRock/iot-edge/examples/secrets"
"github.com/ForgeRock/iot-edge/examples/thing/dynamic-registration/jwtutil"
"github.com/ForgeRock/iot-edge/v7/pkg/builder"
"github.com/ForgeRock/iot-edge/v7/pkg/callback"
"github.com/ForgeRock/iot-edge/v7/pkg/thing"
"github.com/go-jose/go-jose/v3"
)
var (
urlString = flag.String("url", "http://am.localtest.me:8080/am", "URL of AM or Gateway")
realm = flag.String("realm", "/", "AM Realm")
audience = flag.String("audience", "/", "JWT audience")
authTree = flag.String("tree", "iot-tree", "Authentication tree")
thingName = flag.String("name", "dynamic-pop-sw-stmt-thing", "Thing name")
iss = flag.String("iss", "https://soft-pub.example.com", "The software publisher issuer.")
secretStore = flag.String("secrets", "", "Path to pre-created JWK set file")
debug = flag.Bool("debug", false, "Enable debug output")
)
// popWithSoftwareStatementRegistration registers and authenticates a Thing with AM, using the Proof of Possession
// with Software Statement registration method and the Proof of Possession authentication method.
func popWithSoftwareStatementRegistration() (err error) {
u, err := url.Parse(*urlString)
if err != nil {
return err
}
thingStore := secrets.Store{Path: *secretStore}
thingKey, _ := thingStore.Signer(*thingName)
thingKid, _ := thing.JWKThumbprint(thingKey)
thingJWK := jose.JSONWebKey{
KeyID: thingKid,
Key: thingKey.Public(),
Algorithm: string(jose.ES256),
Use: "sig",
}
ss, err := jwtutil.SoftwareStatement(*iss, thingJWK, nil)
if err != nil {
return err
}
deviceBuilder := builder.Thing().
ConnectTo(u).
InRealm(*realm).
WithTree(*authTree).
HandleCallbacksWith(
callback.SoftwareStatementHandler(ss),
callback.ProofOfPossessionHandler(*thingName, *audience, thingKid, thingKey))
fmt.Printf("Creating Thing %s... ", *thingName)
device, err := deviceBuilder.Create()
if err != nil {
return err
}
fmt.Println("Done")
fmt.Printf("Requesting access token... ")
tokenResponse, err := device.RequestAccessToken("publish")
if err != nil {
return err
}
fmt.Println("Done")
token, err := tokenResponse.AccessToken()
if err != nil {
return err
}
fmt.Println("Access token:", token)
expiresIn, err := tokenResponse.ExpiresIn()
if err != nil {
return err
}
fmt.Println("Expires in:", expiresIn)
scopes, err := tokenResponse.Scope()
if err != nil {
return err
}
fmt.Println("Scope(s):", scopes)
if err = device.Logout(); err != nil {
return err
}
return nil
}
func main() {
flag.Parse()
// pipe debug to standard out
if *debug {
thing.DebugLogger().SetOutput(os.Stdout)
}
if err := popWithSoftwareStatementRegistration(); err != nil {
fmt.Printf("Fatal error: %s", err)
os.Exit(1)
}
}