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[core] Re-check token validity more often than on expiry

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Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2022-03-20 14:32:11 +01:00
parent 2c9a0adfa0
commit 464212c757
Signed by: luzifer
GPG Key ID: 0066F03ED215AD7D
1 changed files with 13 additions and 7 deletions
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20
twitch/twitch.go
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@ -23,6 +23,8 @@ import (
const (
timeDay = 24 * time.Hour
tokenValidityRecheckInterval = time.Hour
twitchMinCacheTime = time.Second * 30
twitchRequestRetries = 5
@ -46,10 +48,11 @@ type (
clientID string
clientSecret string
accessToken string
refreshToken string
tokenValidity time.Time
tokenUpdateHook func(string, string) error
accessToken string
refreshToken string
tokenValidity time.Time
tokenValidityChecked time.Time
tokenUpdateHook func(string, string) error
appAccessToken string
@ -577,12 +580,14 @@ func (c *Client) UpdateToken(accessToken, refreshToken string) {
}
func (c *Client) ValidateToken(ctx context.Context, force bool) error {
if c.tokenValidity.After(time.Now()) && !force {
if c.tokenValidity.After(time.Now()) && time.Since(c.tokenValidityChecked) < tokenValidityRecheckInterval && !force {
// We do have an expiration time and it's not expired
// so we can assume we've checked the token and it should
// still be valid.
// NOTE(kahlers): In case of a token revokation this
// assumption is invalid and will lead to failing requests
// To detect a token revokation early-ish we re-check the
// token in defined interval. This is not the optimal
// solution as we will get failing requests between revokation
// and recheck but it's better than nothing.
return nil
}
@ -611,6 +616,7 @@ func (c *Client) ValidateToken(ctx context.Context, force bool) error {
}
c.tokenValidity = time.Now().Add(time.Duration(resp.ExpiresIn) * time.Second)
c.tokenValidityChecked = time.Now()
log.WithField("expiry", c.tokenValidity).Trace("Access token validated")
return nil