英文:
Storing Oauth2 Credentials in golang
问题
我正在尝试弄清楚如何在golang中存储OAuth2凭据。
目前我在Python中这样做：
from oauth2client.file import Storage
...
storage = Storage('settings.dat')
在go语言中是否有类似的方法？有人有示例吗？谢谢！
英文:
I am trying to figure out how I can storing OAuth2 credentials in golang?
Currently I do this in Python:
from oauth2client.file import Storage
...
storage = Storage('settings.dat')
Is there anything similar in go? Does anyone have an example? Thanks!
答案1
得分: 3
我认为你想要一个作为TokenCache传递的CacheFile。以下是从一个使用Google Drive和OAuth2的项目中提取的一些代码，希望能帮助你入门！
import "code.google.com/p/goauth2/oauth"
// 请求用户进行新的授权
func MakeNewToken(t *oauth.Transport) error {
if *driveAuthCode == "" {
// 生成授权链接
authUrl := t.Config.AuthCodeURL("state")
fmt.Fprintf(os.Stderr, "请在浏览器中打开以下链接\n")
fmt.Fprintf(os.Stderr, "%s\n", authUrl)
fmt.Fprintf(os.Stderr, "登录后，使用 -drive-auth-code 参数重新运行此程序\n")
fmt.Fprintf(os.Stderr, "在创建了驱动令牌文件之前，只需要运行一次此参数\n")
return errors.New("请使用 --drive-auth-code 重新运行")
}
// 读取授权码，并交换为令牌
//fmt.Printf("请输入验证码: ")
//var code string
//fmt.Scanln(&code)
_, err := t.Exchange(*driveAuthCode)
return err
}
func main() {
// 授权设置
var driveConfig = &oauth.Config{
ClientId: *driveClientId,
ClientSecret: *driveClientSecret,
Scope: "https://www.googleapis.com/auth/drive",
RedirectURL: "urn:ietf:wg:oauth:2.0:oob",
AuthURL: "https://accounts.google.com/o/oauth2/auth",
TokenURL: "https://accounts.google.com/o/oauth2/token",
TokenCache: oauth.CacheFile(*driveTokenFile),
}
t := &oauth.Transport{
Config: driveConfig,
Transport: http.DefaultTransport,
}
// 尝试从缓存中获取令牌；如果失败，则需要获取一个新的令牌
token, err := driveConfig.TokenCache.Token()
if err != nil {
err := MakeNewToken(t)
if err != nil {
return nil, fmt.Errorf("授权失败：%s", err)
}
}
}
英文:
I think you want a CacheFile which you pass as the TokenCache. Here is some code ripped from a project which uses google drive with oauth2 which should hopefully get you started!
import "code.google.com/p/goauth2/oauth"
// Ask the user for a new auth
func MakeNewToken(t *oauth.Transport) error {
if *driveAuthCode == "" {
// Generate a URL to visit for authorization.
authUrl := t.Config.AuthCodeURL("state")
fmt.Fprintf(os.Stderr, "Go to the following link in your browser\n")
fmt.Fprintf(os.Stderr, "%s\n", authUrl)
fmt.Fprintf(os.Stderr, "Log in, then re-run this program with the -drive-auth-code parameter\n")
fmt.Fprintf(os.Stderr, "You only need this parameter once until the drive token file has been created\n")
return errors.New("Re-run with --drive-auth-code")
}
// Read the code, and exchange it for a token.
//fmt.Printf("Enter verification code: ")
//var code string
//fmt.Scanln(&code)
_, err := t.Exchange(*driveAuthCode)
return err
}
func main() {
// Settings for authorization.
var driveConfig = &oauth.Config{
ClientId: *driveClientId,
ClientSecret: *driveClientSecret,
Scope: "https://www.googleapis.com/auth/drive",
RedirectURL: "urn:ietf:wg:oauth:2.0:oob",
AuthURL: "https://accounts.google.com/o/oauth2/auth",
TokenURL: "https://accounts.google.com/o/oauth2/token",
TokenCache: oauth.CacheFile(*driveTokenFile),
}
t := &oauth.Transport{
Config: driveConfig,
Transport: http.DefaultTransport,
}
// Try to pull the token from the cache; if this fails, we need to get one.
token, err := driveConfig.TokenCache.Token()
if err != nil {
err := MakeNewToken(t)
if err != nil {
return nil, fmt.Errorf("Failed to authorise: %s", err)
}
}
}
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