| 1 | package mcpinteraction |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "testing" |
| 7 | ) |
| 8 | |
| 9 | func TestAllowedURLModes(t *testing.T) { |
| 10 | cases := []struct { |
| 11 | raw string |
| 12 | want bool |
| 13 | }{ |
| 14 | {"https://example.com/oauth", true}, |
| 15 | {"http://localhost:8931/callback", true}, |
| 16 | {"https://example.com/cb?state=xyz", true}, |
| 17 | {"", false}, |
| 18 | {"file:///etc/passwd", false}, |
| 19 | {"javascript:alert(1)", false}, |
| 20 | {"ftp://example.com/x", false}, |
| 21 | {"https://user:pass@example.com/", false}, |
| 22 | {"https://example.com/cb?password=secret", false}, |
| 23 | {"not a url", false}, |
| 24 | {"https://", false}, |
| 25 | } |
| 26 | for _, tc := range cases { |
| 27 | if got := allowedURL(tc.raw); got != tc.want { |
| 28 | t.Errorf("allowedURL(%q) = %v, want %v", tc.raw, got, tc.want) |
| 29 | } |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | func TestSanitizeURLModeIgnoresFormMode(t *testing.T) { |
| 34 | req := Request{Mode: ModeForm, Message: "fill this"} |
| 35 | if !SanitizeURLMode(req) { |
| 36 | t.Fatal("form mode must not be URL-gated") |
| 37 | } |
| 38 | req = Request{Mode: ModeURL, URL: "javascript:alert(1)"} |
| 39 | if SanitizeURLMode(req) { |
| 40 | t.Fatal("dangerous url mode must be refused") |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | type recordingBroker struct { |
| 45 | got Request |
| 46 | res Result |
| 47 | } |
| 48 | |
| 49 | func (b *recordingBroker) Interact(_ context.Context, req Request) (Result, error) { |
| 50 | b.got = req |
| 51 | return b.res, nil |
| 52 | } |
| 53 | |
| 54 | func TestBrokerContextRoundTrip(t *testing.T) { |
| 55 | broker := &recordingBroker{res: Result{Action: ActionAccept, Content: map[string]any{"q": "a"}}} |
| 56 | ctx := WithBroker(context.Background(), broker) |
| 57 | got := FromContext(ctx) |
| 58 | if got == nil { |
| 59 | t.Fatal("broker not retrievable from context") |
| 60 | } |
| 61 | schema, _ := json.Marshal(map[string]any{"type": "object"}) |
| 62 | res, err := got.Interact(ctx, Request{ID: "1", Server: "srv", Mode: ModeForm, RequestedSchema: schema}) |
| 63 | if err != nil { |
| 64 | t.Fatal(err) |
| 65 | } |
| 66 | if res.Action != ActionAccept || res.Content["q"] != "a" { |
| 67 | t.Fatalf("result = %+v", res) |
| 68 | } |
| 69 | if broker.got.ID != "1" || broker.got.Server != "srv" { |
| 70 | t.Fatalf("request = %+v", broker.got) |
| 71 | } |
| 72 | if FromContext(context.Background()) != nil { |
| 73 | t.Fatal("empty context must resolve to nil broker") |
| 74 | } |
| 75 | //nolint:staticcheck |
| 76 | if FromContext(nil) != nil { |
| 77 | t.Fatal("nil context must resolve to nil broker") |
| 78 | } |
| 79 | } |
| 80 |