| 1 | package nativeauth |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "github.com/carlosframework/rastrillo/db" |
| 6 | "github.com/carlosframework/rastrillo/migrate" |
| 7 | "github.com/carlosframework/rastrillo/sessions" |
| 8 | "net/http" |
| 9 | "net/http/httptest" |
| 10 | "path/filepath" |
| 11 | "strings" |
| 12 | "testing" |
| 13 | "time" |
| 14 | ) |
| 15 | |
| 16 | func TestCallbackIsFixedAndContainsNoSession(t *testing.T) { |
| 17 | d, err := db.Open(filepath.Join(t.TempDir(), "sessions.db"), nil) |
| 18 | if err != nil { |
| 19 | t.Fatal(err) |
| 20 | } |
| 21 | defer d.Close() |
| 22 | if _, err = migrate.Apply(t.Context(), d, sessions.Schema); err != nil { |
| 23 | t.Fatal(err) |
| 24 | } |
| 25 | s, err := sessions.New(sessions.Config{DB: d.Writer(), Origin: "https://app.test"}) |
| 26 | if err != nil { |
| 27 | t.Fatal(err) |
| 28 | } |
| 29 | a := New(s, "https://app.test", "Docs", s.Require) |
| 30 | for _, callback := range []string{"https://evil.test", "works.oficina.sheets://signin", "works.oficina.docs://signin?state=evil", "works.oficina.docs://signin/", "javascript:alert(1)"} { |
| 31 | data, _ := json.Marshal(map[string]string{"challenge": token(), "callback": callback}) |
| 32 | req := httptest.NewRequest("POST", "https://app.test/native/request", strings.NewReader(string(data))) |
| 33 | req.Header.Set("Content-Type", "application/json") |
| 34 | req.Header.Set("Origin", "https://app.test") |
| 35 | w := httptest.NewRecorder() |
| 36 | a.ServeHTTP(w, req) |
| 37 | if w.Code != 400 { |
| 38 | t.Fatalf("callback %q status%d", callback, w.Code) |
| 39 | } |
| 40 | } |
| 41 | for _, callback := range []string{"", "works.oficina.docs://signin"} { |
| 42 | id := token() |
| 43 | a.pending[id] = &request{challenge: token(), callback: callback, expires: time.Now().Add(time.Minute)} |
| 44 | cookie, err := s.Mint(sessions.Session{Subject: "alice"}) |
| 45 | if err != nil { |
| 46 | t.Fatal(err) |
| 47 | } |
| 48 | req := httptest.NewRequest("POST", "https://app.test/native/authorize?id="+id, nil) |
| 49 | req.Header.Set("Origin", "https://app.test") |
| 50 | req.AddCookie(&http.Cookie{Name: s.CookieName(), Value: cookie}) |
| 51 | w := httptest.NewRecorder() |
| 52 | s.Middleware(a).ServeHTTP(w, req) |
| 53 | if w.Code != 200 { |
| 54 | t.Fatal(w.Code) |
| 55 | } |
| 56 | body := w.Body.String() |
| 57 | if strings.Contains(body, cookie) || strings.Contains(body, "#ZgotmplZ") { |
| 58 | t.Fatal("unsafe or broken callback") |
| 59 | } |
| 60 | if callback != "" && !strings.Contains(body, `href="works.oficina.docs://signin?state=`+id+`"`) { |
| 61 | t.Fatal("missing bound return link") |
| 62 | } |
| 63 | if callback == "" && strings.Contains(body, `http-equiv="refresh"`) { |
| 64 | t.Fatal("legacy flow redirected") |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | |