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Expose the MaskTokens function so other test code can use it. 

This is just a small helper to make test output more readable.

Signed-off-by: Matt Moyer <moyerm@vmware.com>
This commit is contained in:
Matt Moyer 2020-12-02 15:43:17 -06:00
parent 273ac62ec2
commit 0ccf14801e
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1 changed files with 12 additions and 7 deletions
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19
test/library/iotest.go
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@ -7,6 +7,7 @@ import (
"fmt"
"io"
"regexp"
"strings"
"testing"
)
@ -26,18 +27,22 @@ func (l *testlogReader) Read(p []byte) (n int, err error) {
l.t.Helper()
n, err = l.r.Read(p)
if err != nil {
l.t.Logf("%s > %q: %v", l.name, maskTokens(p[0:n]), err)
l.t.Logf("%s > %q: %v", l.name, MaskTokens(string(p[0:n])), err)
} else {
l.t.Logf("%s > %q", l.name, maskTokens(p[0:n]))
l.t.Logf("%s > %q", l.name, MaskTokens(string(p[0:n])))
}
return
}
//nolint: gochecknoglobals
var tokenLike = regexp.MustCompile(`(?mi)[a-zA-Z0-9._-]{30,}|[a-zA-Z0-9]{20,}`)
func maskTokens(in []byte) string {
return tokenLike.ReplaceAllStringFunc(string(in), func(t string) string {
// MaskTokens makes a best-effort attempt to mask out things that look like secret tokens in test output.
// The goal is more to have readable test output than for any security reason.
func MaskTokens(in string) string {
var tokenLike = regexp.MustCompile(`(?mi)[a-zA-Z0-9._-]{30,}|[a-zA-Z0-9]{20,}`)
return tokenLike.ReplaceAllStringFunc(in, func(t string) string {
// This is a silly heuristic, but things with multiple dots are more likely hostnames that we don't want masked.
if strings.Count(t, ".") >= 4 {
return t
}
return fmt.Sprintf("[...%d bytes...]", len(t))
})
}