forked from hashicorp/packer
/
logs.go
51 lines (43 loc) · 788 Bytes
/
logs.go
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package packer
import (
"bytes"
"io"
"sync"
)
type secretFilter struct {
s map[string]struct{}
m sync.Mutex
w io.Writer
}
func (l *secretFilter) Set(secrets ...string) {
l.m.Lock()
defer l.m.Unlock()
for _, s := range secrets {
l.s[s] = struct{}{}
}
}
func (l *secretFilter) SetOutput(output io.Writer) {
l.m.Lock()
defer l.m.Unlock()
l.w = output
}
func (l *secretFilter) Write(p []byte) (n int, err error) {
for s := range l.s {
if s != "" {
p = bytes.Replace(p, []byte(s), []byte("<sensitive>"), -1)
}
}
return l.w.Write(p)
}
func (l *secretFilter) get() (s []string) {
l.m.Lock()
defer l.m.Unlock()
for k := range l.s {
s = append(s, k)
}
return
}
var LogSecretFilter secretFilter
func init() {
LogSecretFilter.s = make(map[string]struct{})
}