package dmarcrpt
import (
"os"
"reflect"
"strings"
"testing"
)
const reportExample = `
google.com
noreply-dmarc-support@google.com
https://support.google.com/a/answer/2466580
10051505501689795560
1596412800
1596499199
example.org
r
r
reject
reject
100
127.0.0.1
1
none
pass
pass
example.org
example.org
pass
example
example.org
pass
`
func TestParseReport(t *testing.T) {
var expect = &Feedback{
ReportMetadata: ReportMetadata{
OrgName: "google.com",
Email: "noreply-dmarc-support@google.com",
ExtraContactInfo: "https://support.google.com/a/answer/2466580",
ReportID: "10051505501689795560",
DateRange: DateRange{
Begin: 1596412800,
End: 1596499199,
},
},
PolicyPublished: PolicyPublished{
Domain: "example.org",
ADKIM: "r",
ASPF: "r",
Policy: "reject",
SubdomainPolicy: "reject",
Percentage: 100,
},
Records: []ReportRecord{
{
Row: Row{
SourceIP: "127.0.0.1",
Count: 1,
PolicyEvaluated: PolicyEvaluated{
Disposition: DispositionNone,
DKIM: DMARCPass,
SPF: DMARCPass,
},
},
Identifiers: Identifiers{
HeaderFrom: "example.org",
},
AuthResults: AuthResults{
DKIM: []DKIMAuthResult{
{
Domain: "example.org",
Result: DKIMPass,
Selector: "example",
},
},
SPF: []SPFAuthResult{
{
Domain: "example.org",
Result: SPFPass,
},
},
},
},
},
}
feedback, err := ParseReport(strings.NewReader(reportExample))
if err != nil {
t.Fatalf("parsing report: %s", err)
}
if !reflect.DeepEqual(expect, feedback) {
t.Fatalf("expected:\n%#v\ngot:\n%#v", expect, feedback)
}
}
func TestParseMessageReport(t *testing.T) {
const dir = "../testdata/dmarc-reports"
files, err := os.ReadDir(dir)
if err != nil {
t.Fatalf("listing dmarc report emails: %s", err)
}
for _, file := range files {
p := dir + "/" + file.Name()
f, err := os.Open(p)
if err != nil {
t.Fatalf("open %q: %s", p, err)
}
_, err = ParseMessageReport(f)
if err != nil {
t.Fatalf("ParseMessageReport: %q: %s", p, err)
}
f.Close()
}
// No report in a non-multipart message.
_, err = ParseMessageReport(strings.NewReader("From: \r\n\r\nNo report.\r\n"))
if err != ErrNoReport {
t.Fatalf("message without report, got err %#v, expected ErrNoreport", err)
}
// No report in a multipart message.
var multipartNoreport = strings.ReplaceAll(`From:
To:
Subject: Report Domain: mox.example Submitter: mail.mox.example
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="===============5735553800636657282=="
--===============5735553800636657282==
Content-Type: text/plain
MIME-Version: 1.0
test
--===============5735553800636657282==
Content-Type: text/html
MIME-Version: 1.0
--===============5735553800636657282==--
`, "\n", "\r\n")
_, err = ParseMessageReport(strings.NewReader(multipartNoreport))
if err != ErrNoReport {
t.Fatalf("message without report, got err %#v, expected ErrNoreport", err)
}
}
func FuzzParseReport(f *testing.F) {
f.Add("")
f.Add(reportExample)
f.Fuzz(func(t *testing.T, s string) {
ParseReport(strings.NewReader(s))
})
}