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Only check access tokens if they are likely to be tokens (#16164) #16171

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merged 1 commit into from
Jun 16, 2021
Merged

Only check access tokens if they are likely to be tokens (#16164) #16171

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8 changes: 7 additions & 1 deletion models/token.go
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Original file line number Diff line number Diff line change
Expand Up @@ -57,9 +57,15 @@ func GetAccessTokenBySHA(token string) (*AccessToken, error) {
if token == "" {
return nil, ErrAccessTokenEmpty{}
}
if len(token) < 8 {
// A token is defined as being SHA1 sum these are 40 hexadecimal bytes long
if len(token) != 40 {
return nil, ErrAccessTokenNotExist{token}
}
for _, x := range []byte(token) {
if x < '0' || (x > '9' && x < 'a') || x > 'f' {
return nil, ErrAccessTokenNotExist{token}
}
}
var tokens []AccessToken
lastEight := token[len(token)-8:]
err := x.Table(&AccessToken{}).Where("token_last_eight = ?", lastEight).Find(&tokens)
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