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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package oauth2_test
import (
"context"
"fmt"
"log"
"net/http"
"time"
"golang.org/x/oauth2"
)
func ExampleConfig() {
ctx := context.Background()
conf := &oauth2.Config{
ClientID: "YOUR_CLIENT_ID",
ClientSecret: "YOUR_CLIENT_SECRET",
Scopes: []string{"SCOPE1", "SCOPE2"},
Endpoint: oauth2.Endpoint{
AuthURL: "https://provider.com/o/oauth2/auth",
TokenURL: "https://provider.com/o/oauth2/token",
},
}
// use PKCE to protect against CSRF attacks
// https://www.ietf.org/archive/id/draft-ietf-oauth-security-topics-22.html#name-countermeasures-6
verifier := oauth2.GenerateVerifier()
// Redirect user to consent page to ask for permission
// for the scopes specified above.
url := conf.AuthCodeURL("state", oauth2.AccessTypeOffline, oauth2.S256ChallengeOption(verifier))
fmt.Printf("Visit the URL for the auth dialog: %v", url)
// Use the authorization code that is pushed to the redirect
// URL. Exchange will do the handshake to retrieve the
// initial access token. The HTTP Client returned by
// conf.Client will refresh the token as necessary.
var code string
if _, err := fmt.Scan(&code); err != nil {
log.Fatal(err)
}
tok, err := conf.Exchange(ctx, code, oauth2.VerifierOption(verifier))
if err != nil {
log.Fatal(err)
}
client := conf.Client(ctx, tok)
client.Get("...")
}
func ExampleConfig_customHTTP() {
ctx := context.Background()
conf := &oauth2.Config{
ClientID: "YOUR_CLIENT_ID",
ClientSecret: "YOUR_CLIENT_SECRET",
Scopes: []string{"SCOPE1", "SCOPE2"},
Endpoint: oauth2.Endpoint{
TokenURL: "https://provider.com/o/oauth2/token",
AuthURL: "https://provider.com/o/oauth2/auth",
},
}
// Redirect user to consent page to ask for permission
// for the scopes specified above.
url := conf.AuthCodeURL("state", oauth2.AccessTypeOffline)
fmt.Printf("Visit the URL for the auth dialog: %v", url)
// Use the authorization code that is pushed to the redirect
// URL. Exchange will do the handshake to retrieve the
// initial access token. The HTTP Client returned by
// conf.Client will refresh the token as necessary.
var code string
if _, err := fmt.Scan(&code); err != nil {
log.Fatal(err)
}
// Use the custom HTTP client when requesting a token.
httpClient := &http.Client{Timeout: 2 * time.Second}
ctx = context.WithValue(ctx, oauth2.HTTPClient, httpClient)
tok, err := conf.Exchange(ctx, code)
if err != nil {
log.Fatal(err)
}
client := conf.Client(ctx, tok)
_ = client
}