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Add API Token Cache (#16547)

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One of the issues holding back performance of the API is the problem of hashing.
Whilst banning BASIC authentication with passwords will help, the API Token scheme
still requires a PBKDF2 hash - which means that heavy API use (using Tokens) can
still cause enormous numbers of hash computations.

A slight solution to this whilst we consider moving to using JWT based tokens and/or
a session orientated solution is to simply cache the successful tokens. This has some
security issues but this should be balanced by the security issues of load from
hashing.

Related #14668

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
zeripath 2021-08-17 19:30:42 +01:00 • committed by GitHub
parent 274aeb3a9e
commit e0853d4a21
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5 changed files with 57 additions and 1 deletions
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10
models/models.go
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@ -17,6 +17,7 @@ import (
// Needed for the MySQL driver
_ "github.com/go-sql-driver/mysql"
lru "github.com/hashicorp/golang-lru"
"xorm.io/xorm"
"xorm.io/xorm/names"
"xorm.io/xorm/schemas"
@ -234,6 +235,15 @@ func NewEngine(ctx context.Context, migrateFunc func(*xorm.Engine) error) (err e
return fmt.Errorf("sync database struct error: %v", err)
}
if setting.SuccessfulTokensCacheSize > 0 {
successfulAccessTokenCache, err = lru.New(setting.SuccessfulTokensCacheSize)
if err != nil {
return fmt.Errorf("unable to allocate AccessToken cache: %v", err)
}
} else {
successfulAccessTokenCache = nil
}
return nil
}