Files
probo/pkg/prosemirror/sanitize_test.go
Émile Ré 821f66cc20 Review fixes
Signed-off-by: Émile Ré <emile@getprobo.com>
2026-04-01 19:53:25 +04:00

119 lines
3.6 KiB
Go

// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package prosemirror
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestSanitizeDocumentJSON_EmptyUnchanged(t *testing.T) {
t.Parallel()
got, err := SanitizeDocumentJSON("")
require.NoError(t, err)
assert.Equal(t, "", got)
got, err = SanitizeDocumentJSON(" ")
require.NoError(t, err)
assert.Equal(t, " ", got)
}
func TestSanitizeDocumentJSON_NonJSONError(t *testing.T) {
t.Parallel()
_, err := SanitizeDocumentJSON("plain text is not valid document JSON")
require.Error(t, err)
}
func TestSanitizeDocumentJSON_NonDocRootError(t *testing.T) {
t.Parallel()
_, err := SanitizeDocumentJSON(`{"type":"paragraph","content":[]}`)
require.Error(t, err)
}
func TestSanitizeDocumentJSON_LinkHref(t *testing.T) {
t.Parallel()
raw := `{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"javascript:alert(1)","target":"_blank"}}],"text":"click"}]}]}`
out, err := SanitizeDocumentJSON(raw)
require.NoError(t, err)
var doc Node
require.NoError(t, json.Unmarshal([]byte(out), &doc))
txt := doc.Content[0].Content[0]
require.Len(t, txt.Marks, 1)
attrs, err := txt.Marks[0].LinkAttrs()
require.NoError(t, err)
assert.Equal(t, "#", attrs.Href)
require.NotNil(t, attrs.Target)
assert.Equal(t, "_blank", *attrs.Target)
}
func TestSanitizeDocumentJSON_PreservesSafeHref(t *testing.T) {
t.Parallel()
raw := `{"type":"doc","content":[{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"https://example.com"}}],"text":"ok"}]}]}`
out, err := SanitizeDocumentJSON(raw)
require.NoError(t, err)
var doc Node
require.NoError(t, json.Unmarshal([]byte(out), &doc))
txt := doc.Content[0].Content[0]
attrs, err := txt.Marks[0].LinkAttrs()
require.NoError(t, err)
assert.Equal(t, "https://example.com", attrs.Href)
}
func TestSanitizeDocumentJSON_ImageSrc(t *testing.T) {
t.Parallel()
raw := `{"type":"doc","content":[{"type":"image","attrs":{"src":"javascript:alert(1)","alt":"xss"}}]}`
out, err := SanitizeDocumentJSON(raw)
require.NoError(t, err)
var doc Node
require.NoError(t, json.Unmarshal([]byte(out), &doc))
img := doc.Content[0]
attrs, err := img.ImageAttrs()
require.NoError(t, err)
assert.Equal(t, "", attrs.Src)
require.NotNil(t, attrs.Alt)
assert.Equal(t, "xss", *attrs.Alt)
}
func TestSanitizeDocumentJSON_PreservesSafeImageSrc(t *testing.T) {
t.Parallel()
raw := `{"type":"doc","content":[{"type":"image","attrs":{"src":"https://example.com/img.png","alt":"ok"}}]}`
out, err := SanitizeDocumentJSON(raw)
require.NoError(t, err)
var doc Node
require.NoError(t, json.Unmarshal([]byte(out), &doc))
img := doc.Content[0]
attrs, err := img.ImageAttrs()
require.NoError(t, err)
assert.Equal(t, "https://example.com/img.png", attrs.Src)
}