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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package text_test
import (
"testing"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/text"
)
const (
sanitizeHTML = `here's some naughty html: <script>alert(ahhhh)</script> !!!`
sanitizedHTML = `here's some naughty html: !!!`
sanitizeOutgoing = `<p>gotta test some fucking ''''''''' marks</p>`
sanitizedOutgoing = `<p>gotta test some fucking ''''''''' marks</p>`
)
type SanitizeTestSuite struct {
suite.Suite
}
func (suite *SanitizeTestSuite) TestSanitizeOutgoing() {
s := text.SanitizeToHTML(sanitizeOutgoing)
suite.Equal(sanitizedOutgoing, s)
}
func (suite *SanitizeTestSuite) TestSanitizeHTML() {
s := text.SanitizeToHTML(sanitizeHTML)
suite.Equal(sanitizedHTML, s)
}
func (suite *SanitizeTestSuite) TestSanitizeCaption1() {
dodgyCaption := "<script>console.log('haha!')</script>this is just a normal caption ;)"
sanitized := text.SanitizeToPlaintext(dodgyCaption)
suite.Equal("this is just a normal caption ;)", sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeCaption2() {
dodgyCaption := "<em>here's a LOUD caption</em>"
sanitized := text.SanitizeToPlaintext(dodgyCaption)
suite.Equal("here's a LOUD caption", sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeCaption3() {
dodgyCaption := ""
sanitized := text.SanitizeToPlaintext(dodgyCaption)
suite.Equal("", sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeCaption4() {
dodgyCaption := `
here is
a multi line
caption
with some newlines
`
sanitized := text.SanitizeToPlaintext(dodgyCaption)
suite.Equal("here is\na multi line\ncaption\nwith some newlines", sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeCaption5() {
// html-escaped: "<script>console.log('aha!')</script> hello world"
dodgyCaption := `<script>console.log('aha!')</script> hello world`
sanitized := text.SanitizeToPlaintext(dodgyCaption)
suite.Equal("hello world", sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeCaption6() {
// html-encoded: "<script>console.log('aha!')</script> hello world"
dodgyCaption := `<script>console.log('aha!')</script> hello world`
sanitized := text.SanitizeToPlaintext(dodgyCaption)
suite.Equal("hello world", sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeCustomCSS() {
customCSS := `.toot .username {
color: var(--link_fg);
line-height: 2rem;
margin-top: -0.5rem;
align-self: start;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}`
sanitized := text.SanitizeToPlaintext(customCSS)
suite.Equal(customCSS, sanitized) // should be the same as it was before
}
func (suite *SanitizeTestSuite) TestSanitizeNaughtyCustomCSS1() {
// try to break out of <style> into <head> and change the document title
customCSS := "</style><title>pee pee poo poo</title><style>"
sanitized := text.SanitizeToPlaintext(customCSS)
suite.Empty(sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeNaughtyCustomCSS2() {
// try to break out of <style> into <head> and change the document title
customCSS := "pee pee poo poo</style><title></title><style>"
sanitized := text.SanitizeToPlaintext(customCSS)
suite.Equal("pee pee poo poo", sanitized)
}
func (suite *SanitizeTestSuite) TestSanitizeInlineImg() {
withInlineImg := "<p>Here's an inline image: <img class=\"fixed-size-img svelte-uci8eb\" aria-hidden=\"false\" alt=\"A black-and-white photo of an Oblique Strategy card. The card reads: 'Define an area as 'safe' and use it as an anchor'.\" title=\"A black-and-white photo of an Oblique Strategy card. The card reads: 'Define an area as 'safe' and use it as an anchor'.\" width=\"0\" height=\"0\" src=\"https://example.org/fileserver/01H7J83147QMCE17C0RS9P10Y9/attachment/small/01H7J8365XXRTCP6CAMGEM49ZE.jpg\" style=\"object-position: 50% 50%;\"></p>"
sanitized := text.SanitizeToHTML(withInlineImg)
suite.Equal(`<p>Here's an inline image: </p>`, sanitized)
}
func TestSanitizeTestSuite(t *testing.T) {
suite.Run(t, new(SanitizeTestSuite))
}
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