How to use extractJwtExpiration method of auth Package

Best Syzkaller code snippet using auth.extractJwtExpiration

jwt.go

Source:jwt.go

...19	value      string20	expiration time.Time21}22// Returns the unverified expiration value from the given JWT token.23func extractJwtExpiration(token string) (time.Time, error) {24	// https://datatracker.ietf.org/doc/html/rfc7519#section-325	pieces := strings.Split(token, ".")26	if len(pieces) != 3 {27		return time.Time{}, fmt.Errorf("unexpected number of JWT components %v", len(pieces))28	}29	decoded, err := base64.RawURLEncoding.DecodeString(pieces[1])30	if err != nil {31		return time.Time{}, err32	}33	claims := struct {34		Expiration int64 `json:"exp"`35	}{-123456} // Hopefully a notably broken value.36	if err = json.Unmarshal(decoded, &claims); err != nil {37		return time.Time{}, err38	}39	return time.Unix(claims.Expiration, 0), nil40}41type (42	// The types of ctor and doer are the same as in http.NewRequest and43	// http.DefaultClient.Do.44	requestCtor func(method, url string, body io.Reader) (*http.Request, error)45	requestDoer func(req *http.Request) (*http.Response, error)46)47// Queries the metadata server and returns the bearer token of the48// service account. The token is scoped for the official dashboard.49func retrieveJwtToken(ctor requestCtor, doer requestDoer) (*expiringToken, error) {50	const v1meta = "http://metadata.google.internal/computeMetadata/v1"51	req, err := ctor("GET", v1meta+"/instance/service-accounts/default/identity?audience="+DashboardAudience, nil)52	if err != nil {53		return nil, err54	}55	req.Header.Add("Metadata-Flavor", "Google")56	resp, err := doer(req)57	if err != nil {58		return nil, err59	}60	defer resp.Body.Close()61	data, err := ioutil.ReadAll(resp.Body)62	if err != nil {63		return nil, err64	}65	token := string(data)66	if resp.StatusCode != http.StatusOK {67		return nil, fmt.Errorf("failed metadata get %v: %s", resp.Status, token)68	}69	expiration, err := extractJwtExpiration(token)70	if err != nil {71		return nil, err72	}73	return &expiringToken{token, expiration}, nil74}75// TokenCache keeps the tokens for reuse by Get.76type TokenCache struct {77	lock  sync.Mutex78	token *expiringToken79	ctor  requestCtor80	doer  requestDoer81}82// MakeCache creates a new cache or returns an error if tokens aren't83// available....

extractJwtExpiration

Using AI Code Generation

1expirationTime := auth.ExtractJwtExpiration(jwtToken)2expirationTime := auth.ExtractJwtExpiration(jwtToken)3expirationTime := auth.ExtractJwtExpiration(jwtToken)4expirationTime := auth.ExtractJwtExpiration(jwtToken)5expirationTime := auth.ExtractJwtExpiration(jwtToken)6expirationTime := auth.ExtractJwtExpiration(jwtToken)7expirationTime := auth.ExtractJwtExpiration(jwtToken)8expirationTime := auth.ExtractJwtExpiration(jwtToken)9expirationTime := auth.ExtractJwtExpiration(jwtToken)10expirationTime := auth.ExtractJwtExpiration(jwtToken)11expirationTime := auth.ExtractJwtExpiration(jwtToken)12expirationTime := auth.ExtractJwtExpiration(jwtToken)

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