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package main
import (
"encoding/json"
"net/http"
"net/http/httptest"
"net/url"
"regexp"
"strings"
"sync"
"testing"
"time"
)
type fakeCloudflare struct {
sync.Mutex
sent []map[string]string
bounce bool
headers http.Header
}
func (f *fakeCloudflare) ServeHTTP(w http.ResponseWriter, r *http.Request) {
var msg map[string]string
json.NewDecoder(r.Body).Decode(&msg)
f.Lock()
f.sent = append(f.sent, msg)
f.headers = r.Header.Clone()
bounce := f.bounce
f.Unlock()
if r.URL.Path != "/accounts/acct/email/sending/send" {
w.WriteHeader(404)
w.Write([]byte(`{"success":false,"errors":[{"code":10000,"message":"not found"}],"result":null}`))
return
}
if bounce {
w.Write([]byte(`{"success":true,"errors":[],"result":{"delivered":[],"queued":[],"permanent_bounces":["` + msg["to"] + `"]}}`))
return
}
w.Write([]byte(`{"success":true,"errors":[],"result":{"delivered":["` + msg["to"] + `"],"queued":[],"permanent_bounces":[]}}`))
}
func (f *fakeCloudflare) wait(t *testing.T, n int) map[string]string {
t.Helper()
for i := 0; i < 200; i++ {
f.Lock()
if len(f.sent) >= n {
m := f.sent[n-1]
f.Unlock()
return m
}
f.Unlock()
time.Sleep(10 * time.Millisecond)
}
t.Fatalf("message %d never arrived", n)
return nil
}
func withCloudflare(t *testing.T) (*fakeCloudflare, *Mailer) {
fake := &fakeCloudflare{}
srv := httptest.NewServer(fake)
t.Cleanup(srv.Close)
old := cloudflareAPI
cloudflareAPI = srv.URL
t.Cleanup(func() { cloudflareAPI = old })
return fake, &Mailer{Account: "acct", Token: "secret", From: "gitpocket <noreply@example.org>"}
}
func TestCloudflareSender(t *testing.T) {
fake, m := withCloudflare(t)
if err := m.Send("a@example.org", "hi\r\nBcc: x@evil.example", "body"); err != nil {
t.Fatal(err)
}
got := fake.wait(t, 1)
if got["from"] != "noreply@example.org" || got["to"] != "a@example.org" || strings.ContainsAny(got["subject"], "\r\n") {
t.Errorf("sent %v", got)
}
if fake.headers.Get("Authorization") != "Bearer secret" {
t.Error("token not sent")
}
fake.bounce = true
if err := m.Send("b@example.org", "s", "b"); err == nil || !strings.Contains(err.Error(), "bounced") {
t.Errorf("bounce not reported: %v", err)
}
m.Account = "other"
if err := m.Send("c@example.org", "s", "b"); err == nil {
t.Error("api error not reported")
}
}
func TestSignupVerifyAndReset(t *testing.T) {
fake, m := withCloudflare(t)
s, h := testServer(t)
s.mailer = m
link := regexp.MustCompile(`https://example\.org(/[a-z]+/[0-9a-f]+)`)
w := post(h, "/register", url.Values{"name": {"alice"}, "password": {"correct horse"}, "email": {"Alice@Example.org"}}, "")
if w.Code != http.StatusSeeOther || session(w) == "" {
t.Fatalf("signup with email failed: %d", w.Code)
}
verify := fake.wait(t, 1)
if verify["to"] != "alice@example.org" {
t.Fatalf("verification went to %q", verify["to"])
}
path := link.FindStringSubmatch(verify["text"])
if path == nil || !strings.HasPrefix(path[1], "/verify/") {
t.Fatalf("no verification link in %q", verify["text"])
}
if w := get(h, path[1], ""); w.Code != 200 {
t.Fatalf("verification link gave %d", w.Code)
}
post(h, "/reset", url.Values{"who": {"alice"}}, "")
reset := fake.wait(t, 2)
path = link.FindStringSubmatch(reset["text"])
if path == nil || !strings.HasPrefix(path[1], "/reset/") {
t.Fatalf("no reset link in %q", reset["text"])
}
if w := post(h, path[1], url.Values{"password": {"battery staple"}}, ""); w.Code != http.StatusSeeOther {
t.Fatalf("reset gave %d", w.Code)
}
if w := post(h, path[1], url.Values{"password": {"another one!"}}, ""); w.Code != 400 {
t.Errorf("reset link worked twice: %d", w.Code)
}
if _, ok := s.store.CheckPassword("alice", "battery staple"); !ok {
t.Error("new password does not log in")
}
if w := post(h, "/register", url.Values{"name": {"bob"}, "password": {"correct horse"}, "email": {"bob@x.y\r\nBcc: z@evil.example"}}, ""); w.Code != 400 {
t.Errorf("injected address accepted: %d", w.Code)
}
post(h, "/register", url.Values{"name": {"carol"}, "password": {"correct horse"}, "email": {"carol@example.org"}}, "")
fake.wait(t, 3)
post(h, "/reset", url.Values{"who": {"carol"}}, "")
time.Sleep(100 * time.Millisecond)
fake.Lock()
n := len(fake.sent)
fake.Unlock()
if n != 3 {
t.Errorf("reset mail sent to an unverified address, %d messages", n)
}
}
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