/
redacted.go
58 lines (53 loc) · 1.17 KB
/
redacted.go
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package syncdatasources
import (
"strings"
"sync"
)
var (
// GRedactedStrings - need to be global, to redact them from error logs
GRedactedStrings map[string]struct{}
// GRedactedMtx - guard access to this map while in MT
GRedactedMtx *sync.RWMutex
redactedOnce sync.Once
)
// AddRedacted - adds redacted string
func AddRedacted(newRedacted string, useMutex bool) {
// Initialize map & mutex once
redactedOnce.Do(func() {
GRedactedStrings = make(map[string]struct{})
GRedactedMtx = &sync.RWMutex{}
})
if useMutex {
GRedactedMtx.Lock()
defer func() {
GRedactedMtx.Unlock()
}()
}
if len(newRedacted) > 3 {
GRedactedStrings[newRedacted] = struct{}{}
}
}
// FilterRedacted - filter out all known redacted starings
func FilterRedacted(str string) string {
GRedactedMtx.RLock()
defer func() {
GRedactedMtx.RUnlock()
}()
for redacted := range GRedactedStrings {
str = strings.Replace(str, redacted, Redacted, -1)
}
return str
}
// GetRedacted - get redacted
func GetRedacted() (str string) {
GRedactedMtx.RLock()
defer func() {
GRedactedMtx.RUnlock()
}()
str = "["
for redacted := range GRedactedStrings {
str += redacted + " "
}
str += "]"
return
}