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Code Issues Projects Releases Wiki Activity

fix: draw.io svgs are no longer removed with linebreaks (#2415)

Browse Source
pull/2452/head
NGPixel 4 years ago
parent 02c3c66084
commit 8f6cba262f
5 changed files with 535 additions and 339 deletions
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19
client/components/editor/editor-markdown.vue
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@ -300,6 +300,21 @@ const md = new MarkdownIt({
.use(mdFootnote)
.use(mdImsize)
// DOMPurify fix for draw.io
DOMPurify.addHook('uponSanitizeElement', (elm) => {
if (elm.querySelectorAll) {
const breaks = elm.querySelectorAll('foreignObject br, foreignObject p')
if (breaks && breaks.length) {
for (let i = 0; i < breaks.length; i++) {
breaks[i].parentNode.replaceChild(
document.createElement('div'),
breaks[i]
)
}
}
}
})
// ========================================
// HELPER FUNCTIONS
// ========================================
@ -459,7 +474,9 @@ export default {
linesMap = []
// this.$store.set('editor/content', newContent)
this.processMarkers(this.cm.firstLine(), this.cm.lastLine())
this.previewHTML = DOMPurify.sanitize(md.render(newContent))
this.previewHTML = DOMPurify.sanitize(md.render(newContent), {
ADD_TAGS: ['foreignObject']
})
this.$nextTick(() => {
tabsetHelper.format()
this.renderMermaidDiagrams()

36
package.json
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@ -37,8 +37,8 @@
},
"dependencies": {
"@aoberoi/passport-slack": "1.0.5",
"@azure/storage-blob": "12.1.2",
"@bugsnag/js": "7.3.3",
"@azure/storage-blob": "12.2.0",
"@bugsnag/js": "7.3.4",
"@exlinc/keycloak-passport": "1.0.2",
"@root/csr": "0.8.1",
"@root/keypairs": "0.10.1",
@ -50,7 +50,7 @@
"apollo-server": "2.17.0",
"apollo-server-express": "2.17.0",
"auto-load": "3.0.4",
"aws-sdk": "2.746.0",
"aws-sdk": "2.751.0",
"azure-search-client": "3.1.5",
"bcryptjs-then": "1.0.1",
"bluebird": "3.7.2",
@ -69,7 +69,7 @@
"custom-error-instance": "2.1.2",
"dependency-graph": "0.9.0",
"diff": "4.0.2",
"diff2html": "3.1.12",
"diff2html": "3.1.13",
"dompurify": "2.0.15",
"dotize": "0.3.0",
"elasticsearch6": "npm:@elastic/elasticsearch@6",
@ -87,9 +87,9 @@
"graphql-list-fields": "2.0.2",
"graphql-rate-limit-directive": "1.2.1",
"graphql-subscriptions": "1.1.0",
"graphql-tools": "6.2.0",
"graphql-tools": "6.2.1",
"he": "1.2.0",
"highlight.js": "10.1.2",
"highlight.js": "10.2.0",
"i18next": "19.7.0",
"i18next-express-middleware": "2.0.0",
"i18next-node-fs-backend": "2.1.3",
@ -122,7 +122,7 @@
"mime-types": "2.1.27",
"moment": "2.27.0",
"moment-timezone": "0.5.31",
"mongodb": "3.6.1",
"mongodb": "3.6.2",
"ms": "2.1.2",
"mssql": "6.2.1",
"multer": "1.4.2",
@ -134,7 +134,7 @@
"objection": "2.2.3",
"passport": "0.4.1",
"passport-auth0": "1.3.3",
"passport-azure-ad": "4.2.1",
"passport-azure-ad": "4.3.0",
"passport-cas": "0.1.1",
"passport-discord": "0.1.4",
"passport-dropbox-oauth2": "1.1.0",
@ -183,7 +183,7 @@
"validate.js": "0.13.1",
"winston": "3.3.3",
"xss": "1.0.8",
"yargs": "15.4.1"
"yargs": "16.0.3"
},
"devDependencies": {
"@babel/cli": "^7.11.6",
@ -202,7 +202,7 @@
"@mdi/font": "5.5.55",
"@panter/vue-i18next": "0.15.2",
"@requarks/ckeditor5": "19.0.1-wiki.2",
"@vue/babel-preset-app": "4.5.4",
"@vue/babel-preset-app": "4.5.6",
"animate-sass": "0.8.2",
"animated-number-vue": "1.0.0",
"apollo-cache-inmemory": "1.6.6",
@ -231,7 +231,7 @@
"codemirror": "5.57.0",
"copy-webpack-plugin": "6.1.0",
"core-js": "3.6.5",
"css-loader": "4.2.2",
"css-loader": "4.3.0",
"cssnano": "4.1.10",
"cypress": "5.1.0",
"d3": "6.1.1",
@ -263,8 +263,8 @@
"jest": "26.4.2",
"js-beautify": "1.13.0",
"js-cookie": "2.2.1",
"mermaid": "8.7.0",
"mini-css-extract-plugin": "0.11.0",
"mermaid": "8.8.0",
"mini-css-extract-plugin": "0.11.1",
"moment-duration-format": "2.3.2",
"moment-timezone-data-webpack-plugin": "1.3.0",
"offline-plugin": "5.0.7",
@ -289,7 +289,7 @@
"script-ext-html-webpack-plugin": "2.1.4",
"simple-progress-webpack-plugin": "1.1.2",
"style-loader": "1.2.1",
"terser": "5.3.0",
"terser": "5.3.1",
"twemoji-awesome": "1.0.6",
"url-loader": "4.1.0",
"velocity-animate": "1.5.2",
@ -298,7 +298,7 @@
"vue-apollo": "3.0.4",
"vue-chartjs": "3.5.1",
"vue-clipboards": "1.3.0",
"vue-filepond": "6.0.2",
"vue-filepond": "6.0.3",
"vue-hot-reload-api": "2.3.4",
"vue-loader": "15.9.3",
"vue-moment": "4.1.0",
@ -318,13 +318,13 @@
"webpack-cli": "3.3.12",
"webpack-dev-middleware": "3.7.2",
"webpack-hot-middleware": "2.25.0",
"webpack-merge": "5.1.3",
"webpack-merge": "5.1.4",
"webpack-modernizr-loader": "5.0.0",
"webpack-subresource-integrity": "1.4.1",
"webpackbar": "4.0.0",
"whatwg-fetch": "3.4.0",
"whatwg-fetch": "3.4.1",
"write-file-webpack-plugin": "4.5.1",
"xterm": "4.8.1",
"xterm": "4.9.0",
"zxcvbn": "4.4.2"
},
"resolutions": {

8
server/modules/rendering/html-security/definition.yml
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@ -14,9 +14,15 @@ props:
default: true
hint: Sanitize HTML from unsafe attributes and tags that could lead to XSS attacks
order: 1
allowDrawIoUnsafe:
type: Boolean
title: Allow Draw.io Unsafe Elements
default: true
hint: Draw.io diagrams may introduce some elements that are usually filtered. Turning off this option may cause some diagrams to be completely removed during the sanitization process.
order: 2
allowIFrames:
type: Boolean
title: Allow iframes
default: false
hint: iframes will not be stripped if enabled. (Not recommended)
order: 2
order: 3

17
server/modules/rendering/html-security/renderer.js
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@ -10,6 +10,23 @@ module.exports = {
const allowedAttrs = ['v-pre', 'v-slot:tabs', 'v-slot:content', 'target']
const allowedTags = ['tabset', 'template']
if (config.allowDrawIoUnsafe) {
allowedTags.push('foreignObject')
DOMPurify.addHook('uponSanitizeElement', (elm) => {
if (elm.querySelectorAll) {
const breaks = elm.querySelectorAll('foreignObject br, foreignObject p')
if (breaks && breaks.length) {
for (let i = 0; i < breaks.length; i++) {
breaks[i].parentNode.replaceChild(
window.document.createElement('div'),
breaks[i]
)
}
}
}
})
}
if (config.allowIFrames) {
allowedTags.push('iframe')
}

794
yarn.lock
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