| 1 | //go:build browser |
| 2 | |
| 3 | package sheets |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "fmt" |
| 8 | "net/http" |
| 9 | "testing" |
| 10 | "time" |
| 11 | |
| 12 | "amadan.net/rastrillo/rastrillo/harness" |
| 13 | "github.com/chromedp/cdproto/network" |
| 14 | "github.com/chromedp/chromedp" |
| 15 | ) |
| 16 | |
| 17 | // TestDocumentStylesSurviveTheProductionCSP: Sheets in Chromium behind |
| 18 | // the production serving stack (productionHandler: rastrillo's security |
| 19 | // headers and Sheets' CSP), standalone. A filled cell and an inked cell |
| 20 | // in the scriptless table view paint differently from a plain one, the |
| 21 | // table scrolls sideways in its wrapper, and the grid's Format palette |
| 22 | // swatches carry their colours. |
| 23 | // |
| 24 | // Every one of those is a style attribute. Under rastrillo fb806a2's |
| 25 | // default style-src the browser drops them all — the cell turns |
| 26 | // transparent on black, the swatch loses --sheet-h, the wrapper stops |
| 27 | // scrolling — while the other browser checks, which serve app.Router() |
| 28 | // with no CSP at all, stay green (Astra on #46). |
| 29 | func TestDocumentStylesSurviveTheProductionCSP(t *testing.T) { |
| 30 | app, cookies := signIn(t) |
| 31 | s, cells := newSheet(t, app, cookies, "Painted") |
| 32 | postCell(t, app, cookies, cells, `{"r":0,"c":0,"raw":"filled"}`) |
| 33 | postCell(t, app, cookies, cells, `{"r":0,"c":1,"raw":"inked"}`) |
| 34 | postCell(t, app, cookies, cells, `{"r":0,"c":2,"raw":"plain"}`) |
| 35 | postFormatForm(t, app, cookies, s, map[string]string{"r1": "0", "c1": "0", "r2": "0", "c2": "0", "fill": "red", "page": "1"}) |
| 36 | postFormatForm(t, app, cookies, s, map[string]string{"r1": "0", "c1": "1", "r2": "0", "c2": "1", "ink": "blue", "page": "1"}) |
| 37 | |
| 38 | rig := harness.New(t, func(string) http.Handler { return productionHandler(t, app) }) |
| 39 | run := func(what string, actions ...chromedp.Action) { |
| 40 | t.Helper() |
| 41 | ctx, cancel := context.WithTimeout(rig.Context(), 20*time.Second) |
| 42 | defer cancel() |
| 43 | if err := chromedp.Run(ctx, actions...); err != nil { |
| 44 | t.Fatalf("%s: %v", what, err) |
| 45 | } |
| 46 | } |
| 47 | var set []chromedp.Action |
| 48 | for _, c := range cookies { |
| 49 | set = append(set, network.SetCookie(c.Name, c.Value).WithURL(rig.Origin+"/"). |
| 50 | WithHTTPOnly(c.HttpOnly).WithSecure(c.Secure).WithSameSite(network.CookieSameSiteLax)) |
| 51 | } |
| 52 | run("sign in", set...) |
| 53 | |
| 54 | var table struct { |
| 55 | FilledBg, PlainBg, InkedInk, PlainInk, Overflow string |
| 56 | } |
| 57 | run("table view", |
| 58 | chromedp.Navigate(fmt.Sprintf("%s/sheets/%d/table", rig.Origin, s.ID)), |
| 59 | chromedp.WaitVisible(`table[data-cell-table]`), |
| 60 | chromedp.Evaluate(`(() => { |
| 61 | const cell = (x) => [...document.querySelectorAll('table[data-cell-table] tbody td')].find(td => td.textContent.trim() === x); |
| 62 | const cs = (x) => getComputedStyle(cell(x)); |
| 63 | return { |
| 64 | FilledBg: cs('filled').backgroundColor, |
| 65 | PlainBg: cs('plain').backgroundColor, |
| 66 | InkedInk: cs('inked').color, |
| 67 | PlainInk: cs('plain').color, |
| 68 | Overflow: getComputedStyle(document.querySelector('table[data-cell-table]').parentElement).overflowX, |
| 69 | }; |
| 70 | })()`, &table), |
| 71 | ) |
| 72 | if table.FilledBg == table.PlainBg { |
| 73 | t.Errorf("a red-filled cell paints %s, the same as a plain one: its style attribute was refused", table.FilledBg) |
| 74 | } |
| 75 | if table.InkedInk == table.PlainInk { |
| 76 | t.Errorf("a blue-inked cell paints %s text, the same as a plain one: its style attribute was refused", table.InkedInk) |
| 77 | } |
| 78 | if table.Overflow != "auto" { |
| 79 | t.Errorf("the table's wrapper has overflow-x %q, want auto: wide sheets cannot scroll", table.Overflow) |
| 80 | } |
| 81 | |
| 82 | var swatch string |
| 83 | run("grid palette", |
| 84 | chromedp.Navigate(fmt.Sprintf("%s/sheets/%d", rig.Origin, s.ID)), |
| 85 | chromedp.WaitVisible(`td[data-x="0"][data-y="0"]`), |
| 86 | chromedp.Evaluate(`getComputedStyle(document.querySelector('[data-swatch][data-value="red"]')).getPropertyValue('--sheet-h').trim()`, &swatch), |
| 87 | ) |
| 88 | if swatch == "" { |
| 89 | t.Error("the Fill palette's red swatch has no --sheet-h: its style attribute was refused") |
| 90 | } |
| 91 | } |
| 92 | |
amadan