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										 |  |  | /* | 
					
						
							|  |  |  |    GoToSocial | 
					
						
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										 |  |  |    Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org | 
					
						
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										 |  |  | 
 | 
					
						
							|  |  |  |    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 | 
					
						
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 | 
					
						
							|  |  |  | import ( | 
					
						
							|  |  |  | 	"testing" | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	"github.com/stretchr/testify/suite" | 
					
						
							|  |  |  | 	"github.com/superseriousbusiness/gotosocial/internal/text" | 
					
						
							|  |  |  | ) | 
					
						
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 | 
					
						
							|  |  |  | const ( | 
					
						
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										 |  |  | 	sanitizeHTML      = `here's some naughty html: <script>alert(ahhhh)</script> !!!` | 
					
						
							|  |  |  | 	sanitizedHTML     = `here's some naughty html:  !!!` | 
					
						
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										 |  |  | 	sanitizeOutgoing  = `<p>gotta test some fucking ''''''''' marks</p>` | 
					
						
							|  |  |  | 	sanitizedOutgoing = `<p>gotta test some fucking ''''''''' marks</p>` | 
					
						
							|  |  |  | ) | 
					
						
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 | 
					
						
							|  |  |  | type SanitizeTestSuite struct { | 
					
						
							|  |  |  | 	suite.Suite | 
					
						
							|  |  |  | } | 
					
						
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 | 
					
						
							|  |  |  | func (suite *SanitizeTestSuite) TestSanitizeOutgoing() { | 
					
						
							|  |  |  | 	s := text.SanitizeHTML(sanitizeOutgoing) | 
					
						
							|  |  |  | 	suite.Equal(sanitizedOutgoing, s) | 
					
						
							|  |  |  | } | 
					
						
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 | 
					
						
							|  |  |  | func (suite *SanitizeTestSuite) TestSanitizeHTML() { | 
					
						
							|  |  |  | 	s := text.SanitizeHTML(sanitizeHTML) | 
					
						
							|  |  |  | 	suite.Equal(sanitizedHTML, s) | 
					
						
							|  |  |  | } | 
					
						
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										 |  |  | func (suite *SanitizeTestSuite) TestSanitizeCaption1() { | 
					
						
							|  |  |  | 	dodgyCaption := "<script>console.log('haha!')</script>this is just a normal caption ;)" | 
					
						
							|  |  |  | 	sanitized := text.SanitizePlaintext(dodgyCaption) | 
					
						
							|  |  |  | 	suite.Equal("this is just a normal caption ;)", sanitized) | 
					
						
							|  |  |  | } | 
					
						
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 | 
					
						
							|  |  |  | func (suite *SanitizeTestSuite) TestSanitizeCaption2() { | 
					
						
							|  |  |  | 	dodgyCaption := "<em>here's a LOUD caption</em>" | 
					
						
							|  |  |  | 	sanitized := text.SanitizePlaintext(dodgyCaption) | 
					
						
							|  |  |  | 	suite.Equal("here's a LOUD caption", sanitized) | 
					
						
							|  |  |  | } | 
					
						
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 | 
					
						
							|  |  |  | func (suite *SanitizeTestSuite) TestSanitizeCaption3() { | 
					
						
							|  |  |  | 	dodgyCaption := "" | 
					
						
							|  |  |  | 	sanitized := text.SanitizePlaintext(dodgyCaption) | 
					
						
							|  |  |  | 	suite.Equal("", sanitized) | 
					
						
							|  |  |  | } | 
					
						
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 | 
					
						
							|  |  |  | func (suite *SanitizeTestSuite) TestSanitizeCaption4() { | 
					
						
							|  |  |  | 	dodgyCaption := ` | 
					
						
							|  |  |  | 
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							|  |  |  | 
 | 
					
						
							|  |  |  | here is | 
					
						
							|  |  |  | a multi line | 
					
						
							|  |  |  | caption | 
					
						
							|  |  |  | with some newlines | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
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							|  |  |  | ` | 
					
						
							|  |  |  | 	sanitized := text.SanitizePlaintext(dodgyCaption) | 
					
						
							|  |  |  | 	suite.Equal("here is\na multi line\ncaption\nwith some newlines", sanitized) | 
					
						
							|  |  |  | } | 
					
						
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							|  |  |  | func (suite *SanitizeTestSuite) TestSanitizeCaption5() { | 
					
						
							|  |  |  | 	// html-escaped: "<script>console.log('aha!')</script> hello world" | 
					
						
							|  |  |  | 	dodgyCaption := `<script>console.log('aha!')</script> hello world` | 
					
						
							|  |  |  | 	sanitized := text.SanitizePlaintext(dodgyCaption) | 
					
						
							|  |  |  | 	suite.Equal("hello world", sanitized) | 
					
						
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										 |  |  | } | 
					
						
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										 |  |  | func (suite *SanitizeTestSuite) TestSanitizeCaption6() { | 
					
						
							|  |  |  | 	// html-encoded: "<script>console.log('aha!')</script> hello world" | 
					
						
							|  |  |  | 	dodgyCaption := `<script>console.log('aha!')</script> hello world` | 
					
						
							|  |  |  | 	sanitized := text.SanitizePlaintext(dodgyCaption) | 
					
						
							|  |  |  | 	suite.Equal("hello world", sanitized) | 
					
						
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										 |  |  | } | 
					
						
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										 |  |  | 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.SanitizePlaintext(customCSS) | 
					
						
							|  |  |  | 	suite.Equal(customCSS, sanitized) // should be the same as it was before | 
					
						
							|  |  |  | } | 
					
						
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							|  |  |  | 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.SanitizePlaintext(customCSS) | 
					
						
							|  |  |  | 	suite.Empty(sanitized) | 
					
						
							|  |  |  | } | 
					
						
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							|  |  |  | 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.SanitizePlaintext(customCSS) | 
					
						
							|  |  |  | 	suite.Equal("pee pee poo poo", sanitized) | 
					
						
							|  |  |  | } | 
					
						
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										 |  |  | func TestSanitizeTestSuite(t *testing.T) { | 
					
						
							|  |  |  | 	suite.Run(t, new(SanitizeTestSuite)) | 
					
						
							|  |  |  | } |