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Adjust SAFE_URL_PATTERN regex for use with test method of regexes. #33136

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merged 3 commits into from
Feb 19, 2021
Merged

Adjust SAFE_URL_PATTERN regex for use with test method of regexes. #33136

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1214a74
Adjust regex SAFE_URL_PATTERN for use with test method.
nikonthethird Feb 17, 2021
313fbf4
Make the linter happy.
nikonthethird Feb 17, 2021
2cf0b73
Merge branch 'main' into fix-33124
XhmikosR Feb 19, 2021
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2 changes: 1 addition & 1 deletion js/src/util/sanitizer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i
*
* Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts
*/
const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi
const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/i

/**
* A pattern that matches safe data URLs. Only matches image, video and audio types.
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10 changes: 10 additions & 0 deletions js/tests/unit/util/sanitizer.spec.js
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Expand Up @@ -66,5 +66,15 @@ describe('Sanitizer', () => {
expect(result).toEqual(template)
expect(DOMParser.prototype.parseFromString).not.toHaveBeenCalled()
})

it('should allow multiple sanitation passes of the same template', () => {
const template = '<img src="test.jpg">'

const firstResult = sanitizeHtml(template, DefaultAllowlist, null)
const secondResult = sanitizeHtml(template, DefaultAllowlist, null)

expect(firstResult).toContain('src')
expect(secondResult).toContain('src')
})
})
})