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feat: rendering security module

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pull/1320/head
NGPixel 5 years ago
parent 4fb08cb126
commit 278cd7173d
8 changed files with 82 additions and 20 deletions

1
package.json
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@ -161,6 +161,7 @@
"uuid": "3.3.3", "uuid": "3.3.3",
"validate.js": "0.13.1", "validate.js": "0.13.1",
"winston": "3.2.1", "winston": "3.2.1",
"xss": "1.0.6",
"yargs": "15.0.2" "yargs": "15.0.2"
}, },
"devDependencies": { "devDependencies": {

16
server/graph/resolvers/rendering.js
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@ -19,14 +19,16 @@ module.exports = {
...rendererInfo, ...rendererInfo,
...rdr, ...rdr,
config: _.sortBy(_.transform(rdr.config, (res, value, key) => { config: _.sortBy(_.transform(rdr.config, (res, value, key) => {
const configData = _.get(rendererInfo.props, key, {}) const configData = _.get(rendererInfo.props, key, false)
res.push({ if (configData) {
key, res.push({
value: JSON.stringify({ key,
...configData, value: JSON.stringify({
value ...configData,
value
})
}) })
}) }
}, []), 'key') }, []), 'key')
} }
}) })

1
server/modules/rendering/html-codehighlighter/definition.yml
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@ -5,4 +5,5 @@ author: requarks.io
icon: mdi-code-braces icon: mdi-code-braces
enabledDefault: true enabledDefault: true
dependsOn: htmlCore dependsOn: htmlCore
step: pre
props: {} props: {}

19
server/modules/rendering/html-core/renderer.js
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@ -14,7 +14,11 @@ module.exports = {
return '' return ''
} }
for (let child of this.children) { // --------------------------------
// STEP: PRE
// --------------------------------
for (let child of _.reject(this.children, ['step', 'post'])) {
const renderer = require(`../${_.kebabCase(child.key)}/renderer.js`) const renderer = require(`../${_.kebabCase(child.key)}/renderer.js`)
renderer.init($, child.config) renderer.init($, child.config)
} }
@ -211,6 +215,17 @@ module.exports = {
headers.push(headerSlug) headers.push(headerSlug)
}) })
return $.html('body').replace('<body>', '').replace('</body>', '') let output = $.html('body').replace('<body>', '').replace('</body>', '')
// --------------------------------
// STEP: POST
// --------------------------------
for (let child of _.filter(this.children, ['step', 'post'])) {
const renderer = require(`../${_.kebabCase(child.key)}/renderer.js`)
output = renderer.init(output, child.config)
}
return output
} }
} }

1
server/modules/rendering/html-mathjax/definition.yml
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@ -5,4 +5,5 @@ author: requarks.io
icon: mdi-function-variant icon: mdi-function-variant
enabledDefault: false enabledDefault: false
dependsOn: htmlCore dependsOn: htmlCore
step: pre
props: {} props: {}

14
server/modules/rendering/html-security/definition.yml
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@ -5,14 +5,10 @@ author: requarks.io
icon: mdi-fire icon: mdi-fire
enabledDefault: true enabledDefault: true
dependsOn: htmlCore dependsOn: htmlCore
step: post
props: props:
stripJS: safeHTML:
type: Boolean type: Boolean
title: Strip Javascript title: Sanitize HTML
default: false default: true
hint: Javascript code within code blocks won't be affected hint: Sanitize HTML from unsafe attributes and tags that could lead to XSS attacks
filterBadWords:
type: Boolean
title: Filter Bad Words
default: false
hint: Replace bad words with asterisks

37
server/modules/rendering/html-security/renderer.js
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@ -1,5 +1,38 @@
module.exports = { const xss = require('xss')
init($, config) {
module.exports = {
async init(input, config) {
if (config.safeHTML) {
input = xss(input, {
whiteList: {
...xss.whiteList,
a: ['class', 'id', 'href', 'target', 'title'],
blockquote: ['class', 'id'],
code: ['class'],
div: ['class', 'id'],
em: ['class'],
h1: ['class', 'id'],
h2: ['class', 'id'],
h3: ['class', 'id'],
h4: ['class', 'id'],
h5: ['class', 'id'],
h6: ['class', 'id'],
img: ['alt', 'class', 'draggable', 'height', 'src', 'width'],
li: ['class'],
ol: ['class'],
p: ['class'],
pre: ['class'],
strong: ['class'],
table: ['border', 'class', 'id', 'width'],
tbody: ['class'],
td: ['align', 'class', 'colspan', 'rowspan', 'valign'],
th: ['align', 'class', 'colspan', 'rowspan', 'valign'],
thead: ['class'],
tr: ['class', 'rowspan', 'align', 'valign'],
ul: ['class']
}
})
}
return input
} }
} }

13
yarn.lock
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@ -4447,6 +4447,11 @@ cssesc@^3.0.0:
resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee" resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg== integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==
cssfilter@0.0.10:
version "0.0.10"
resolved "https://registry.yarnpkg.com/cssfilter/-/cssfilter-0.0.10.tgz#c6d2672632a2e5c83e013e6864a42ce8defd20ae"
integrity sha1-xtJnJjKi5cg+AT5oZKQs6N79IK4=
cssnano-preset-default@^4.0.7: cssnano-preset-default@^4.0.7:
version "4.0.7" version "4.0.7"
resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-4.0.7.tgz#51ec662ccfca0f88b396dcd9679cdb931be17f76" resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-4.0.7.tgz#51ec662ccfca0f88b396dcd9679cdb931be17f76"
@ -14363,6 +14368,14 @@ xpath@0.0.27:
resolved "https://registry.yarnpkg.com/xpath/-/xpath-0.0.27.tgz#dd3421fbdcc5646ac32c48531b4d7e9d0c2cfa92" resolved "https://registry.yarnpkg.com/xpath/-/xpath-0.0.27.tgz#dd3421fbdcc5646ac32c48531b4d7e9d0c2cfa92"
integrity sha512-fg03WRxtkCV6ohClePNAECYsmpKKTv5L8y/X3Dn1hQrec3POx2jHZ/0P2qQ6HvsrU1BmeqXcof3NGGueG6LxwQ== integrity sha512-fg03WRxtkCV6ohClePNAECYsmpKKTv5L8y/X3Dn1hQrec3POx2jHZ/0P2qQ6HvsrU1BmeqXcof3NGGueG6LxwQ==
xss@1.0.6:
version "1.0.6"
resolved "https://registry.yarnpkg.com/xss/-/xss-1.0.6.tgz#eaf11e9fc476e3ae289944a1009efddd8a124b51"
integrity sha512-6Q9TPBeNyoTRxgZFk5Ggaepk/4vUOYdOsIUYvLehcsIZTFjaavbVnsuAkLA5lIFuug5hw8zxcB9tm01gsjph2A==
dependencies:
commander "^2.9.0"
cssfilter "0.0.10"
xtend@^4.0.0, xtend@~4.0.1: xtend@^4.0.0, xtend@~4.0.1:
version "4.0.2" version "4.0.2"
resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54" resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"

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