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feat: introduce new env ALLOW_UNSAFE_DATA_SCHEME to allow rendering data uri scheme (#21321)

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kurokobo 2025-07-09 11:12:40 +09:00 • committed by GitHub
commit e39236186d
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10 changed files with 22 additions and 1 deletions
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6
web/app/components/base/markdown-blocks/utils.ts
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@ -1,3 +1,7 @@
import { ALLOW_UNSAFE_DATA_SCHEME } from '@/config'
export const isValidUrl = (url: string): boolean => {
return ['http:', 'https:', '//', 'mailto:'].some(prefix => url.startsWith(prefix))
const validPrefixes = ['http:', 'https:', '//', 'mailto:']
if (ALLOW_UNSAFE_DATA_SCHEME) validPrefixes.push('data:')
return validPrefixes.some(prefix => url.startsWith(prefix))
}

4
web/app/components/base/markdown/markdown-utils.ts
View file

@ -4,6 +4,7 @@
* Includes preprocessing for LaTeX and custom "think" tags.
*/
import { flow } from 'lodash-es'
import { ALLOW_UNSAFE_DATA_SCHEME } from '@/config'
export const preprocessLaTeX = (content: string) => {
if (typeof content !== 'string')
@ -86,5 +87,8 @@ export const customUrlTransform = (uri: string): string | undefined => {
if (PERMITTED_SCHEME_REGEX.test(scheme))
return uri
if (ALLOW_UNSAFE_DATA_SCHEME && scheme === 'data:')
return uri
return undefined
}