121 lines
3.9 KiB
Go
121 lines
3.9 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@probo.com>.
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
// PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
package drivers
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
"regexp"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
// TestCassettesUseSyntheticEmails enforces that VCR cassettes under
|
|
// testdata/ only contain emails from a controlled set of synthetic
|
|
// domains (RFC 2606 reserved + a small allowlist for OAuth bot
|
|
// identifiers in pre-existing cassettes). Real cassette recordings
|
|
// against test tenants must be scrubbed before commit; this test
|
|
// guards against accidental leakage of customer emails.
|
|
func TestCassettesUseSyntheticEmails(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
emailRe := regexp.MustCompile(`[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}`)
|
|
|
|
// allowedDomainSuffixes lists trailing domain fragments that are safe
|
|
// for synthetic test data. RFC 2606 reserves *.example.com / .org /
|
|
// .net / .test / .invalid / .localhost. The allowlist is intentionally
|
|
// narrow — adding to it should require maintainer review.
|
|
allowedDomainSuffixes := []string{
|
|
".example.com",
|
|
".example.org",
|
|
".example.net",
|
|
".test",
|
|
".invalid",
|
|
".localhost",
|
|
// Google Workspace test domain family (RFC-style synthetic).
|
|
".test-google-a.com",
|
|
}
|
|
|
|
// allowedExactDomains lists individual domains that pre-date this
|
|
// guard and were intentionally kept (synthetic OAuth bot identifiers
|
|
// recorded against fixture tenants). Do not extend without review.
|
|
allowedExactDomains := map[string]bool{
|
|
"example.com": true,
|
|
"example.org": true,
|
|
"example.net": true,
|
|
"mail.com": true,
|
|
"contractor.example.com": true,
|
|
"alias.example.com": true,
|
|
"oauthapp.linear.app": true,
|
|
"linear.linear.app": true,
|
|
"intercom.io": true,
|
|
}
|
|
|
|
matches, err := filepath.Glob("testdata/*.yaml")
|
|
require.NoError(t, err)
|
|
require.NotEmpty(t, matches, "no cassettes found")
|
|
|
|
for _, cassette := range matches {
|
|
t.Run(filepath.Base(cassette), func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
data, err := os.ReadFile(cassette)
|
|
require.NoError(t, err)
|
|
|
|
seen := make(map[string]bool)
|
|
for _, email := range emailRe.FindAllString(string(data), -1) {
|
|
if seen[email] {
|
|
continue
|
|
}
|
|
|
|
seen[email] = true
|
|
|
|
domain := email[strings.IndexByte(email, '@')+1:]
|
|
if allowedExactDomains[domain] {
|
|
continue
|
|
}
|
|
|
|
ok := false
|
|
|
|
for _, suffix := range allowedDomainSuffixes {
|
|
if strings.HasSuffix("."+domain, suffix) || domain == strings.TrimPrefix(suffix, ".") {
|
|
ok = true
|
|
break
|
|
}
|
|
}
|
|
|
|
// A failed assertion lands in CI logs. Keep both the
|
|
// local-part AND the domain out of the message — together
|
|
// they form a complete PII tuple, which is exactly what
|
|
// this guard exists to prevent. Operators can grep the
|
|
// cassette locally to identify the offending row.
|
|
assert.Truef(
|
|
t,
|
|
ok,
|
|
"cassette %s contains an email with a non-synthetic "+
|
|
"domain; either replace with a synthetic "+
|
|
"*.example.com address or add the domain to "+
|
|
"allowedExactDomains in cassette_safety_test.go "+
|
|
"with a justification",
|
|
filepath.Base(cassette),
|
|
)
|
|
}
|
|
})
|
|
}
|
|
}
|