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token_client.go
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token_client.go
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// Copyright © 2017 Aeneas Rekkas <aeneas+oss@aeneas.io>
//
// 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 cmd
import (
"context"
"crypto/tls"
"fmt"
"net/http"
"github.com/ory/hydra/pkg"
"github.com/spf13/cobra"
"golang.org/x/oauth2"
"golang.org/x/oauth2/clientcredentials"
)
type transporter struct {
*http.Transport
FakeTLSTermination bool
}
func (t *transporter) RoundTrip(req *http.Request) (*http.Response, error) {
if t.FakeTLSTermination {
req.Header.Set("X-Forwarded-Proto", "https")
}
return t.Transport.RoundTrip(req)
}
// tokenClientCmd represents the self command
var tokenClientCmd = &cobra.Command{
Use: "client",
Short: "Generate an OAuth2 token the client grant type",
Long: "This command uses the CLI's credentials to create an access token.",
Run: func(cmd *cobra.Command, args []string) {
fakeTlsTermination, _ := cmd.Flags().GetBool("fake-tls-termination")
ctx := context.WithValue(context.Background(), oauth2.HTTPClient, &http.Client{
Transport: &transporter{
FakeTLSTermination: fakeTlsTermination,
Transport: &http.Transport{},
},
})
if ok, _ := cmd.Flags().GetBool("skip-tls-verify"); ok {
// fmt.Println("Warning: Skipping TLS Certificate Verification.")
ctx = context.WithValue(context.Background(), oauth2.HTTPClient, &http.Client{
Transport: &transporter{
FakeTLSTermination: fakeTlsTermination,
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
},
},
})
}
scopes, _ := cmd.Flags().GetStringSlice("scopes")
oauthConfig := clientcredentials.Config{
ClientID: c.ClientID,
ClientSecret: c.ClientSecret,
TokenURL: pkg.JoinURLStrings(c.ClusterURL, "/oauth2/token"),
Scopes: scopes,
}
t, err := oauthConfig.Token(ctx)
pkg.Must(err, "Could not retrieve access token because: %s", err)
fmt.Printf("%s\n", t.AccessToken)
},
}
func init() {
tokenCmd.AddCommand(tokenClientCmd)
tokenClientCmd.Flags().StringSlice("scopes", []string{"hydra", "hydra.*"}, "User a specific set of scopes")
}