| 1 | package docs |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "html" |
| 6 | "net/http" |
| 7 | "net/http/httptest" |
| 8 | "net/url" |
| 9 | "os" |
| 10 | "path/filepath" |
| 11 | "strings" |
| 12 | "testing" |
| 13 | |
| 14 | "github.com/keymaildev/signin" |
| 15 | ) |
| 16 | |
| 17 | func TestKeymailContinuation(t *testing.T) { |
| 18 | app := newAllowlistedTestApp(t, "alice@example.test") |
| 19 | app.handlers.origin = "https://docs.example.test" |
| 20 | destination := (&signin.Keymail{Base: "https://keymail.example.test", Origin: app.handlers.origin}).AuthorizeURL("state", "challenge", true) |
| 21 | handler := app.handlers.beginSignin(func(w http.ResponseWriter, r *http.Request) { |
| 22 | http.SetCookie(w, &http.Cookie{Name: "__Host-pending", Value: "opaque", Path: "/", Secure: true, HttpOnly: true, SameSite: http.SameSiteLaxMode}) |
| 23 | http.Redirect(w, r, destination, http.StatusSeeOther) |
| 24 | }) |
| 25 | rec := httptest.NewRecorder() |
| 26 | policy := homeFormPolicy("https://home.example.test") |
| 27 | rec.Header().Set("Content-Security-Policy", policy) |
| 28 | handler(rec, httptest.NewRequest("POST", "/signin", nil)) |
| 29 | if rec.Code != 200 || rec.Header().Get("Location") != "" { |
| 30 | t.Fatalf("status=%d location=%q", rec.Code, rec.Header().Get("Location")) |
| 31 | } |
| 32 | if rec.Header().Get("Content-Security-Policy") != policy { |
| 33 | t.Fatal("CSP changed") |
| 34 | } |
| 35 | if rec.Header().Get("Cache-Control") != "no-store" || rec.Header().Get("Referrer-Policy") != "no-referrer" { |
| 36 | t.Fatal("continuation must not cache or disclose the referring URL") |
| 37 | } |
| 38 | cookies := rec.Result().Cookies() |
| 39 | if len(cookies) != 1 || cookies[0].Name != "__Host-pending" || cookies[0].Value != "opaque" || !cookies[0].Secure || !cookies[0].HttpOnly || cookies[0].SameSite != http.SameSiteLaxMode { |
| 40 | t.Fatalf("lost pending cookie: %v", cookies) |
| 41 | } |
| 42 | body := html.UnescapeString(rec.Body.String()) |
| 43 | for _, part := range []string{`http-equiv="refresh"`, `content="0;url=` + destination + `"`, `href="` + destination + `"`} { |
| 44 | if !strings.Contains(body, part) { |
| 45 | t.Fatalf("missing continuation component %q", part) |
| 46 | } |
| 47 | } |
| 48 | if strings.Contains(body, `action="/signin"`) { |
| 49 | t.Fatal("continuation rendered another sign-in form") |
| 50 | } |
| 51 | // It is the door's card on the sky, not a bare page. |
| 52 | for _, part := range []string{"estilo-door", "estilo-sky-layer", "<span>Docs</span>"} { |
| 53 | if !strings.Contains(body, part) { |
| 54 | t.Fatalf("continuation is not the door: lacks %q", part) |
| 55 | } |
| 56 | } |
| 57 | if dir := os.Getenv("DOCS_OAUTH_BROWSER_FIXTURE"); dir != "" { |
| 58 | if err := os.MkdirAll(dir, 0700); err != nil { |
| 59 | t.Fatal(err) |
| 60 | } |
| 61 | data, err := json.Marshal(map[string]any{"body": rec.Body.String(), "headers": rec.Header(), "destination": destination}) |
| 62 | if err != nil { |
| 63 | t.Fatal(err) |
| 64 | } |
| 65 | if err := os.WriteFile(filepath.Join(dir, "continuation.json"), data, 0600); err != nil { |
| 66 | t.Fatal(err) |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | func TestKeymailDestinationRefusals(t *testing.T) { |
| 72 | origin := "https://docs.example.test" |
| 73 | valid := (&signin.Keymail{Base: "https://keymail.example.test", Origin: origin}).AuthorizeURL("state", "challenge", false) |
| 74 | for _, target := range []string{ |
| 75 | "javascript:alert(1)", "//keymail.example.test/oauth/authorize", strings.Replace(valid, "https:", "http:", 1), |
| 76 | strings.Replace(valid, "keymail.example.test", "user@keymail.example.test", 1), valid + "#fragment", valid + "&state=duplicate", |
| 77 | strings.Replace(valid, "/oauth/authorize", "/other", 1), strings.ReplaceAll(valid, url.QueryEscape(origin), url.QueryEscape("https://foreign.example.test")), |
| 78 | strings.Replace(valid, "S256", "plain", 1), |
| 79 | } { |
| 80 | if keymailDestination(target, origin) { |
| 81 | t.Fatalf("accepted %q", target) |
| 82 | } |
| 83 | } |
| 84 | app := newAllowlistedTestApp(t, "alice@example.test") |
| 85 | app.handlers.origin = origin |
| 86 | rec := httptest.NewRecorder() |
| 87 | app.handlers.beginSignin(func(w http.ResponseWriter, r *http.Request) { http.Redirect(w, r, "https://foreign.example.test", 303) })(rec, httptest.NewRequest("POST", "/signin", nil)) |
| 88 | if rec.Code != 502 || rec.Header().Get("Location") != "" { |
| 89 | t.Fatalf("invalid redirect status=%d location=%q", rec.Code, rec.Header().Get("Location")) |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | func TestSigninEmailFallbackIsExplicit(t *testing.T) { |
| 94 | app := newAllowlistedTestApp(t, "alice@example.test") |
| 95 | for _, path := range []string{"/signin", "/signin?force=1&err=keymail"} { |
| 96 | rec := httptest.NewRecorder() |
| 97 | app.Handler().ServeHTTP(rec, httptest.NewRequest("GET", path, nil)) |
| 98 | if rec.Code != 200 { |
| 99 | t.Fatal(rec.Code) |
| 100 | } |
| 101 | forced := strings.Contains(rec.Body.String(), `name="force" value="1"`) |
| 102 | if forced != strings.Contains(path, "force=1") { |
| 103 | t.Fatalf("email force for %s = %v", path, forced) |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | |
amadan