diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml index dab80590..a4360889 100644 --- a/.github/workflows/release.yml +++ b/.github/workflows/release.yml @@ -11,5 +11,5 @@ jobs: - uses: yandex-cloud/ui-release-action@main with: github-token: ${{ secrets.YC_UI_BOT_GITHUB_TOKEN }} - npm-token: ${{ secrets.YC_UI_BOT_NPM_TOKEN }} + npm-token: ${{ secrets.ROBOT_DATAUI_NPM_TOKEN }} node-version: 14 diff --git a/CHANGELOG.diplodoc.md b/CHANGELOG.diplodoc.md new file mode 100644 index 00000000..23c0d805 --- /dev/null +++ b/CHANGELOG.diplodoc.md @@ -0,0 +1,38 @@ +# Changelog @diplodoc/transform@4.0.0 + +## It's major update of @doc-tools/transform@3.11.0 with security changes. + +### New term's linter + +The main feature of term is generating a hidden content, that will be show on click. Terms plugins creates MarkadownIt tokens at place, where term was defined and it can brake our `@doc-tools/docs` navigation. Now `@diplodoc/transform` has new yfmlint rule: `no-term-definition-in-content`. There are several restrictions: - You can't define content between term-def - All term-def should be placed at the end of file. + +### Enabling `needToSanitizeHtml` by default + +The sanitizer includes default options with safe, allowed tags, and attributes. However, by default, both the `style` tag and the `style` attribute are also allowed. The values will be processed by the [cssfilter](https://github.com/leizongmin/js-css-filter) module to prevent XSS attacks. The cssfilter module includes a default CSS whitelist. + +You can override the options for sanitizer like this: + +```javascript +const transform = require('@doc-tools/transform'); +const {defaultOptions} = require('@doc-tools/transform/lib/sanitize'); + +const sanitizeOptions = Object.assign({}, defaultOptions); + +// Allow css property +sanitizeOptions.cssWhiteList['position'] = true; + +// Disallow css property +delete sanitizeOptions.cssWhiteList['color']; + +// Disable `style` tag +sanitizeOptions.allowedTags = sanitizeOptions.allowedTags.filter((tag) => tag !== 'style'); + +// Disable `style` attribute +sanitizeOptions.allowedAttributes['*'] = sanitizeOptions.allowedAttributes['*'].filter( + (attr) => attr !== 'style', +); + +const { + result: {html}, +} = transform(content, {sanitizeOptions}); +``` diff --git a/package-lock.json b/package-lock.json index 39c00cbc..d4e2fde1 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { - "name": "@doc-tools/transform", - "version": "3.11.0", + "name": "@diplodoc/transform", + "version": "1.0.0", "lockfileVersion": 1, "requires": true, "dependencies": { @@ -4248,6 +4248,12 @@ "@babel/types": "^7.3.0" } }, + "@types/css": { + "version": "0.0.34", + "resolved": "https://registry.npmjs.org/@types/css/-/css-0.0.34.tgz", + "integrity": "sha512-nyZiWXt6gBG7Jj7BYB4zdHXyrhcAjJH8qv+BUsO8FMJR5be7H5ETOaibB3uvXeX5lc57LWkecNJv03q0+JpbXA==", + "dev": true + }, "@types/github-slugger": { "version": "1.3.0", "resolved": "https://registry.npmjs.org/@types/github-slugger/-/github-slugger-1.3.0.tgz", @@ -4687,6 +4693,11 @@ "integrity": "sha1-x/hUOP3UZrx8oWq5DIFRN5el0js=", "dev": true }, + "atob": { + "version": "2.1.2", + "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz", + "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==" + }, "autoprefixer": { "version": "10.4.15", "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.15.tgz", 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"https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz", - "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=", + "integrity": "sha512-t7j+NzmgnQzTAYXcsHYLgimltOV1MXHtlOWf6GjL9Kj8GK5FInw5JotxvbOs+IvV1/Dzo04/fCGfLVs7aXb4Ag==", "dev": true }, "lodash.merge": { @@ -7188,7 +7383,7 @@ "mdurl": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz", - "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4=" + "integrity": "sha512-/sKlQJCBYVY9Ers9hqzKou4H6V5UWc/M59TH2dvkt+84itfnq7uFOMLpOiOS4ujvHP4etln18fmIxA5R5fll0g==" }, "merge-stream": { "version": "2.0.0", @@ -7241,13 +7436,13 @@ "natural-compare": { "version": "1.4.0", "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz", - "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=", + "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==", "dev": true }, "node-int64": { "version": "0.4.0", "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz", - "integrity": "sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs=", + "integrity": "sha512-O5lz91xSOeoXP6DulyHfllpq+Eg00MWitZIbtPfoSEvqIHdl5gfcY6hYzDWnj0qD5tz52PI08u9qUvSVeUBeHw==", "dev": true }, "node-releases": { @@ -7277,6 +7472,14 @@ "path-key": "^3.0.0" } }, + "nth-check": { + "version": "2.1.1", + "resolved": "https://registry.npmjs.org/nth-check/-/nth-check-2.1.1.tgz", + "integrity": "sha512-lqjrjmaOoAnWfMmBPL+XNnynZh2+swxiX3WUE0s4yEHI6m+AwrK2UZOimIRl3X/4QctVqS8AiZjFqyOGrMXb/w==", + "requires": { + "boolbase": "^1.0.0" + } + }, "object-assign": { "version": "4.1.1", "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz", @@ -7432,6 +7635,40 @@ "resolved": "https://registry.npmjs.org/parse-srcset/-/parse-srcset-1.0.2.tgz", "integrity": "sha512-/2qh0lav6CmI15FzA3i/2Bzk2zCgQhGMkvhOhKNcBVQ1ldgpbfiNTVslmooUmWJcADi1f1kIeynbDRVzNlfR6Q==" }, + "parse5": { + "version": "7.1.2", + "resolved": "https://registry.npmjs.org/parse5/-/parse5-7.1.2.tgz", + "integrity": "sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==", + "requires": { + "entities": "^4.4.0" + }, + "dependencies": { + "entities": { + "version": "4.5.0", + "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz", + "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==" + } + } + }, + "parse5-htmlparser2-tree-adapter": { + "version": "7.0.0", + "resolved": "https://registry.npmjs.org/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-7.0.0.tgz", + "integrity": "sha512-B77tOZrqqfUfnVcOrUvfdLbz4pu4RopLD/4vmu3HUPswwTA8OH0EMW9BlWR2B0RCoiZRAHEUu7IxeP1Pd1UU+g==", + "requires": { + "domhandler": "^5.0.2", + "parse5": "^7.0.0" + }, + "dependencies": { + "domhandler": { + "version": "5.0.3", + "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-5.0.3.tgz", + "integrity": "sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==", + "requires": { + "domelementtype": "^2.3.0" + } + } + } + }, "path-exists": { "version": "4.0.0", "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz", @@ -8174,7 +8411,7 @@ "safe-regex": { "version": "1.1.0", "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz", - "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=", + "integrity": "sha512-aJXcif4xnaNUzvUuC5gcb46oTS7zvg4jpMTnuqtrEPlR3vFr4pxtdTwaF1Qs3Enjn9HK+ZlwQui+a7z0SywIzg==", "dev": true, "requires": { "ret": "~0.1.10" @@ -8269,14 +8506,22 @@ "source-map": { "version": "0.6.1", "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz", - "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==", - "dev": true + "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==" }, "source-map-js": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz", "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==" }, + "source-map-resolve": { + "version": "0.6.0", + "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.6.0.tgz", + "integrity": "sha512-KXBr9d/fO/bWo97NXsPIAW1bFSBOuCnjbNTBMO7N59hsv5i9yzRDfcYwwt0l04+VqnKC+EwzvJZIP/qkuMgR/w==", + "requires": { + "atob": "^2.1.2", + "decode-uri-component": "^0.2.0" + } + }, "source-map-support": { "version": "0.5.13", "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.13.tgz", @@ -8443,7 +8688,7 @@ "text-table": { "version": "0.2.0", "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz", - "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=", + "integrity": "sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==", "dev": true }, "tmpl": { @@ -8603,7 +8848,7 @@ "util-deprecate": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", - "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==", + "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=", "dev": true }, "v8-compile-cache": { diff --git a/package.json b/package.json index a5c59049..6774a32b 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { - "name": "@doc-tools/transform", - "version": "3.11.0", + "name": "@diplodoc/transform", + "version": "4.0.0", "description": "A simple transformer of text in YFM (Yandex Flavored Markdown) to HTML", "author": "YFM Team ", "license": "MIT", @@ -27,6 +27,9 @@ "dependencies": { "@diplodoc/tabs-extension": "^2.0.11", "chalk": "4.1.2", + "cheerio": "^1.0.0-rc.12", + "css": "^3.0.0", + "cssfilter": "0.0.10", "get-root-node-polyfill": "1.0.0", "github-slugger": "1.4.0", "js-yaml": "^4.1.0", @@ -45,6 +48,7 @@ "@babel/core": "7.18.10", "@babel/plugin-transform-modules-commonjs": "7.18.6", "@babel/preset-env": "7.18.10", + "@types/css": "0.0.34", "@types/github-slugger": "1.3.0", "@types/jest": "28.1.7", "@types/js-yaml": "^4.0.5", diff --git a/src/transform/log.ts b/src/transform/log.ts index 27b5e482..22f06682 100644 --- a/src/transform/log.ts +++ b/src/transform/log.ts @@ -18,7 +18,7 @@ function createLogger(type: LogLevels) { const formatter: Record string> = { [LogLevels.INFO]: (msg) => `${green('INFO')} ${msg}`, [LogLevels.WARN]: (msg) => `${yellow('WARN')} ${msg}`, - [LogLevels.ERROR]: (msg) => `${red('ERR ')} ${msg}`, + [LogLevels.ERROR]: (msg) => `${red('ERR')} ${msg}`, }; return function log(msg: string) { diff --git a/src/transform/md.ts b/src/transform/md.ts index 245d17c6..c46568be 100644 --- a/src/transform/md.ts +++ b/src/transform/md.ts @@ -111,7 +111,7 @@ function initParser(md: MarkdownIt, options: OptionsType, env: EnvType) { } function initCompiler(md: MarkdownIt, options: OptionsType, env: EnvType) { - const {needToSanitizeHtml = false, sanitizeOptions} = options; + const {needToSanitizeHtml = true, sanitizeOptions} = options; return (tokens: Token[]) => { const html = md.renderer.render(tokens, md.options, env); diff --git a/src/transform/plugins/code.ts b/src/transform/plugins/code.ts index 4f62ba38..49405f0e 100644 --- a/src/transform/plugins/code.ts +++ b/src/transform/plugins/code.ts @@ -15,7 +15,7 @@ const wrapInClipboard = (element: string | undefined, id: number) => { diff --git a/src/transform/sanitize.ts b/src/transform/sanitize.ts index 292eac92..36f58340 100644 --- a/src/transform/sanitize.ts +++ b/src/transform/sanitize.ts @@ -1,4 +1,8 @@ import sanitizeHtml from 'sanitize-html'; +// @ts-ignore +import cssfilter from 'cssfilter'; +import * as cheerio from 'cheerio'; +import css from 'css'; const htmlTags = [ 'a', @@ -45,7 +49,6 @@ const htmlTags = [ 'figure', 'font', 'footer', - 'form', 'h1', 'h2', 'h3', @@ -118,6 +121,7 @@ const htmlTags = [ 'video', 'wbr', 'iframe', + 'style', ]; const svgTags = [ @@ -279,10 +283,15 @@ const htmlAttrs = [ 'scrolling', 'allow', 'target', + 'attributeName', + 'aria-hidden', + 'referrerpolicy', + 'aria-describedby', 'data-*', ]; const svgAttrs = [ + 'viewBox', 'accent-height', 'accumulate', 'additive', @@ -468,23 +477,120 @@ const svgAttrs = [ 'to', ]; +const yfmHtmlAttrs = ['note-type', 'yfm2xliff-explicit', 'term-key']; + const allowedTags = Array.from( new Set([...htmlTags, ...svgTags, ...sanitizeHtml.defaults.allowedTags]), ); -const allowedAttributes = Array.from(new Set([...htmlAttrs, ...svgAttrs])); +const allowedAttributes = Array.from(new Set([...htmlAttrs, ...svgAttrs, ...yfmHtmlAttrs])); -type DefaultOptions = sanitizeHtml.IDefaults; -export type SanitizeOptions = sanitizeHtml.IOptions; +export type CssWhiteList = {[property: string]: boolean}; -export const defaultOptions: DefaultOptions = { +export interface SanitizeOptions extends sanitizeHtml.IOptions { + cssWhiteList?: CssWhiteList; +} + +export const defaultParseOptions = { + lowerCaseAttributeNames: false, +}; + +export const defaultOptions: SanitizeOptions = { ...sanitizeHtml.defaults, allowedTags, allowedAttributes: { ...sanitizeHtml.defaults.allowedAttributes, '*': allowedAttributes, }, + allowVulnerableTags: true, + parser: defaultParseOptions, + cssWhiteList: cssfilter.whiteList, }; +function sanitizeStyleTags(dom: cheerio.CheerioAPI, cssWhiteList: CssWhiteList) { + const styleTags = dom('style'); + + styleTags.each((_index: number, element: cheerio.Element) => { + const styleText = dom(element).text(); + + try { + const parsedCSS = css.parse(styleText); + + if (!parsedCSS.stylesheet) { + return; + } + + parsedCSS.stylesheet.rules = parsedCSS.stylesheet.rules.filter( + (rule: css.Rule) => rule.type === 'rule', + ); + + parsedCSS.stylesheet.rules.forEach((rule: css.Rule) => { + if (!rule.declarations) { + return; + } + + rule.declarations = rule.declarations.filter((declaration: css.Declaration) => { + if (!declaration.property || !declaration.value) { + return false; + } + + const isWhiteListed = cssWhiteList[declaration.property]; + + if (isWhiteListed) { + declaration.value = cssfilter.safeAttrValue( + declaration.property, + declaration.value, + ); + } + + if (!declaration.value) { + return false; + } + + return isWhiteListed; + }); + }); + + dom(element).text(css.stringify(parsedCSS)); + } catch {} + }); +} + +function sanitizeStyleAttrs(dom: cheerio.CheerioAPI, cssWhiteList: CssWhiteList) { + const options = { + whiteList: cssWhiteList, + }; + const cssSanitizer = new cssfilter.FilterCSS(options); + + dom('*').each((_index, element) => { + const styleAttrValue = dom(element).attr('style'); + + if (!styleAttrValue) { + return; + } + + dom(element).attr('style', cssSanitizer.process(styleAttrValue)); + }); +} + +function sanitizeStyles(html: string, options: SanitizeOptions) { + const cssWhiteList = options.cssWhiteList || {}; + + const $ = cheerio.load(html); + + sanitizeStyleTags($, cssWhiteList); + + sanitizeStyleAttrs($, cssWhiteList); + + const styles = $('head').html() || ''; + const content = $('body').html() || ''; + + return styles + content; +} + export default function sanitize(html: string, options?: SanitizeOptions) { - return sanitizeHtml(html, options || defaultOptions); + const sanitizeOptions = options || defaultOptions; + + const modifiedHtml = sanitizeStyles(html, sanitizeOptions); + + return sanitizeHtml(modifiedHtml, sanitizeOptions); } diff --git a/src/transform/yfmlint/index.ts b/src/transform/yfmlint/index.ts index e75df24b..ea26096a 100644 --- a/src/transform/yfmlint/index.ts +++ b/src/transform/yfmlint/index.ts @@ -19,8 +19,9 @@ import {errorToString, getLogLevel} from './utils'; import {Options} from './typings'; import {Dictionary} from 'lodash'; import {Logger, LogLevels} from '../log'; +import {yfm009} from './markdownlint-custom-rule/yfm009'; -const defaultLintRules = [yfm001, yfm002, yfm003, yfm004, yfm005, yfm006, yfm007, yfm008]; +const defaultLintRules = [yfm001, yfm002, yfm003, yfm004, yfm005, yfm006, yfm007, yfm008, yfm009]; const lintCache = new Set(); diff --git a/src/transform/yfmlint/markdownlint-custom-rule/index.ts b/src/transform/yfmlint/markdownlint-custom-rule/index.ts index 52194af1..1f5f5b92 100644 --- a/src/transform/yfmlint/markdownlint-custom-rule/index.ts +++ b/src/transform/yfmlint/markdownlint-custom-rule/index.ts @@ -6,3 +6,4 @@ export {yfm005} from './yfm005'; export {yfm006} from './yfm006'; export {yfm007} from './yfm007'; export {yfm008} from './yfm008'; +export {yfm009} from './yfm009'; diff --git a/src/transform/yfmlint/markdownlint-custom-rule/yfm009.ts b/src/transform/yfmlint/markdownlint-custom-rule/yfm009.ts new file mode 100644 index 00000000..0a01d9ea --- /dev/null +++ b/src/transform/yfmlint/markdownlint-custom-rule/yfm009.ts @@ -0,0 +1,54 @@ +import {Rule} from 'markdownlint'; + +export const yfm009: Rule = { + names: ['YFM009', 'no-term-definition-in-content'], + description: 'Term definition should be placed at the end of file', + tags: ['term'], + function: function YFM009(params, onError) { + const {config} = params; + if (!config) { + return; + } + + let lastCloseIndex = -1; + const size = params.tokens.length; + + for (let i = 0; i < size; i++) { + if (params.tokens[i].type === 'template_close') { + lastCloseIndex = i; + } + + if (params.tokens[i].type !== 'template_close') { + continue; + } + + if (i === size - 1) { + continue; + } + + if (params.tokens[i + 1].type === 'template_open') { + continue; + } + + if (i < size - 2 && params.tokens[i + 2].type === 'template_open') { + continue; + } + + onError({ + lineNumber: params.tokens[i + 1].lineNumber, + detail: 'There is a content between term definition. All term defitions should be placed at the end of file.', + }); + } + + if (lastCloseIndex === -1) { + return; + } + + if (lastCloseIndex !== size - 1) { + onError({ + lineNumber: params.tokens[lastCloseIndex + 1].lineNumber, + detail: 'The file must end with term only.', + }); + } + }, +}; diff --git a/src/transform/yfmlint/yfmlint.ts b/src/transform/yfmlint/yfmlint.ts index 94fb29c4..ec54669d 100644 --- a/src/transform/yfmlint/yfmlint.ts +++ b/src/transform/yfmlint/yfmlint.ts @@ -61,6 +61,7 @@ const index: LintConfig = { YFM006: LogLevels.WARN, // Term definition duplicated YFM007: LogLevels.WARN, // Term used without definition YFM008: LogLevels.WARN, // Term inside definition not allowed + YFM009: LogLevels.ERROR, // Term definition used not at the end of file }, // Inline code length diff --git a/test/__snapshots__/highlight-code.test.ts.snap b/test/__snapshots__/highlight-code.test.ts.snap index 7839e2bc..2df71d72 100644 --- a/test/__snapshots__/highlight-code.test.ts.snap +++ b/test/__snapshots__/highlight-code.test.ts.snap @@ -1,7 +1,7 @@ // Jest Snapshot v1, https://goo.gl/fbAQLP exports[`should highlight code 1`] = ` -"
const x: string = 'y';
+"
const x: string = 'y';
 

 "
 `;
diff --git a/test/checkbox.test.ts b/test/checkbox.test.ts
index 618efff5..fc4c352a 100644
--- a/test/checkbox.test.ts
+++ b/test/checkbox.test.ts
@@ -82,7 +82,7 @@ describe('markdown-it-checkbox', function () {
     it('should parse inline markup in label', () => {
         expect(transformYfm('[X] text *italic* **bold** label')).toBe(
             '
\n' +
-                '\n' +
+                '\n' +
                 '\n' +
                 '
\n',
         );
diff --git a/test/file.test.ts b/test/file.test.ts
index 4403925d..1c960b4f 100644
--- a/test/file.test.ts
+++ b/test/file.test.ts
@@ -28,12 +28,8 @@ describe('File plugin', () => {
     });
 
     it('should not render file without all required attrs', () => {
-        expect(transform('{% file src="../file" %}')).toBe(
-            '
{% file src="../file" %}
\n',
-        );
-        expect(transform('{% file name="file.txt" %}')).toBe(
-            '
{% file name="file.txt" %}
\n',
-        );
+        expect(transform('{% file src="../file" %}')).toBe('
{% file src="../file" %}
\n');
+        expect(transform('{% file name="file.txt" %}')).toBe('
{% file name="file.txt" %}
\n');
     });
 
     it('should render file with text before', () => {
@@ -118,15 +114,9 @@ describe('File plugin', () => {
         );
     });
 
-    it('should escape attrs', () => {
-        expect(transform('{% file src="ind${iconHtml}ind"ex.ht&ml
\n`,
-        );
-    });
-
     it('should allow quoutes in attribute value', () => {
         expect(transform('{% file src="ind\'ex.txt" name=\'ind"ex.html\' %}')).toBe(
-            `
${iconHtml}ind"ex.html
\n`,
+            `
${iconHtml}ind"ex.html
\n`,
         );
     });
 
@@ -140,7 +130,7 @@ describe('File plugin', () => {
 
     it('should not render file without spaces around attrs', () => {
         expect(transform('{% file src="index.txt"name="index.html"type="text/html" %}')).toBe(
-            `
{% file src="index.txt"name="index.html"type="text/html" %}
\n`,
+            `
{% file src="index.txt"name="index.html"type="text/html" %}
\n`,
         );
     });
 
diff --git a/test/markdownlint-custom-rules/yfm004.test.ts b/test/markdownlint-custom-rules/yfm004.test.ts
index 0ccf6dc4..9484b660 100644
--- a/test/markdownlint-custom-rules/yfm004.test.ts
+++ b/test/markdownlint-custom-rules/yfm004.test.ts
@@ -22,10 +22,12 @@ const tableWithCloseToken = `
 |#
 `.trim();
 
+const random = () => Math.floor(Math.random() * 1e8);
+
 const lint = (input: string) => {
     yfmlint({
         input,
-        pluginOptions: {log, path: 'test.md'},
+        pluginOptions: {log, path: `${random()}.md`},
         lintConfig: {
             'log-levels': {
                 MD047: LogLevels.DISABLED,
diff --git a/test/markdownlint-custom-rules/yfm009.test.ts b/test/markdownlint-custom-rules/yfm009.test.ts
new file mode 100644
index 00000000..79cbcf0c
--- /dev/null
+++ b/test/markdownlint-custom-rules/yfm009.test.ts
@@ -0,0 +1,68 @@
+import {log, LogLevels} from '../../src/transform/log';
+import term from '../../src/transform/plugins/term';
+import yfmlint from '../../src/transform/yfmlint';
+import {yfm009} from '../../src/transform/yfmlint/markdownlint-custom-rule';
+
+const withIncludes = `\
+[*widget-popup1]: {% include [ ](./_includes/widget.md) %}
+
+[*button-popup2]: {% include [ ](./_includes/button) %}
+
+[*button-popup3]: {% include [ ](./_includes/button) %}`.trim();
+
+const plainText = `\
+[*widget-popup1]: hello world
+
+hi i am text
+
+[*widget-popup2]: it's will fail`.trim();
+
+const appendText = (text: string) => {
+    return `${text}\n\nhi i am text after`;
+};
+
+const prependText = (text: string) => {
+    return `hi i am text before\n\n${text}`;
+};
+
+const random = () => Math.floor(Math.random() * 1e8);
+
+const lint = (input: string) => {
+    yfmlint({
+        input,
+        pluginOptions: {log, path: `${random()}.md`},
+        lintConfig: {
+            'log-levels': {
+                YFM009: LogLevels.ERROR,
+            },
+        },
+        customLintRules: [yfm009],
+        plugins: [term],
+    });
+};
+
+describe('YFM009', () => {
+    beforeEach(() => {
+        log.clear();
+    });
+
+    it('not accepts text between terms', () => {
+        lint(plainText);
+        expect(log.get().error[0]).toMatch('YFM009');
+    });
+
+    it('not accepts includes with text after', () => {
+        lint(appendText(withIncludes));
+        expect(log.get().error[0]).toMatch('YFM009');
+    });
+
+    it('accepts includes', () => {
+        lint(withIncludes);
+        expect(log.isEmpty()).toBeTruthy();
+    });
+
+    it('accepts includes with text before', () => {
+        lint(prependText(withIncludes));
+        expect(log.isEmpty()).toBeTruthy();
+    });
+});
diff --git a/test/sanitize-html.test.ts b/test/sanitize-html.test.ts
index 997e392c..69ff1095 100644
--- a/test/sanitize-html.test.ts
+++ b/test/sanitize-html.test.ts
@@ -1,5 +1,5 @@
 import transform from '../src/transform';
-import sanitizeHtml from '../src/transform/sanitize';
+import sanitizeHtml, {defaultOptions} from '../src/transform/sanitize';
 
 const transformYfm = (text: string, options?: Parameters[1]) => {
     const {
@@ -16,13 +16,117 @@ describe('Sanitize HTML utility', () => {
         expect(sanitizeHtml('')).toBe('');
     });
 
-    it('transform should sanitize html', () => {
-        expect(transformYfm('', {needToSanitizeHtml: true})).toBe(
-            '',
-        );
+    describe('transform should sanitize html by default l', () => {
+        describe('html in markdown', () => {
+            it('should sanitize danger attributes', () => {
+                expect(transformYfm('')).toBe('');
+            });
+
+            it('should sanitize danger style attributes', () => {
+                expect(transformYfm('
')).toBe(
+                    '
',
+                );
+            });
+
+            it('should sanitize danger properties in style tag', () => {
+                expect(transformYfm('')).toBe(
+                    '',
+                );
+            });
+
+            it('should sanitize form tag', () => {
+                expect(
+                    transformYfm('
'),
+                ).toBe('');
+            });
+        });
+
+        describe('plugin markdown-it-attrs', () => {
+            it('should sanitize danger attributes', () => {
+                expect(transformYfm('Click {onfocus="alert(1)" onclick="alert(1)"}')).toBe(
+                    '
Click
\n',
+                );
+            });
+
+            it('should not sanitize safe attributes', () => {
+                expect(transformYfm('Click {.style-me data-toggle=modal}')).toBe(
+                    '
Click
\n',
+                );
+            });
+
+            it('should sanitize danger style attributes', () => {
+                expect(
+                    transformYfm(
+                        '[example.com](https://example.com){style="position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: red; opacity: 0.5"}',
+                    ),
+                ).toBe(
+                    '
example.com
\n',
+                );
+            });
+        });
     });
 
-    it('by default transform should not sanitize html', () => {
-        expect(transformYfm('')).toBe('');
+    describe('rewrite default sanitize options', () => {
+        it('should not sanitize form tag if form is allowed', () => {
+            const sanitizeOptions = Object.assign({}, defaultOptions);
+
+            // @ts-ignore
+            sanitizeOptions.allowedTags = sanitizeOptions.allowedTags.concat(['form']);
+
+            expect(
+                transformYfm('
', {
+                    sanitizeOptions,
+                }),
+            ).toBe('
');
+        });
+
+        it('should filter style tag', () => {
+            const sanitizeOptions = Object.assign({}, defaultOptions);
+
+            // @ts-ignore
+            sanitizeOptions.allowedTags = sanitizeOptions.allowedTags.filter(
+                (tag: string) => tag !== 'style',
+            );
+
+            expect(
+                transformYfm('', {
+                    sanitizeOptions,
+                }),
+            ).toBe('');
+        });
+
+        it('should filter style attribute', () => {
+            const sanitizeOptions = Object.assign({}, defaultOptions);
+
+            // @ts-ignore
+            sanitizeOptions.allowedAttributes['*'] = sanitizeOptions.allowedAttributes['*'].filter(
+                (attr: string) => attr !== 'style',
+            );
+
+            expect(
+                transformYfm('
', {
+                    sanitizeOptions,
+                }),
+            ).toBe('
');
+        });
+
+        it('should not sanitize property if it is passed in cssWhiteList', () => {
+            const sanitizeOptions = Object.assign({}, defaultOptions);
+
+            // @ts-ignore
+            sanitizeOptions.cssWhiteList['position'] = true;
+
+            expect(
+                transformYfm('', {
+                    sanitizeOptions,
+                }),
+            ).toBe('');
+        });
+    });
+
+    it('transform should not sanitize html if needToSanitizeHtml is false', () => {
+        expect(transformYfm('', {needToSanitizeHtml: false})).toBe(
+            '',
+        );
     });
 });
diff --git a/test/table.test.ts b/test/table.test.ts
index 91ddf78f..75bd74b9 100644
--- a/test/table.test.ts
+++ b/test/table.test.ts
@@ -150,7 +150,7 @@ describe('Table plugin', () => {
                 '\n' +
                 '\n' +
                 '\n' +
-                '
alt text
\n' +
+                '
alt text
\n' +
                 '\n' +
                 '\n' +
                 '
link to README.md
\n' +
@@ -187,7 +187,7 @@ describe('Table plugin', () => {
                 '\n' +
                 '\n' +
                 '\n' +
-                '
Text with
\n' +
+                '
Text with
\n' +
                 'new line
\n' +
                 '\n' +
                 '\n' +
@@ -208,7 +208,7 @@ describe('Table plugin', () => {
                 '
  • Element B
    • \n' +
                 '\n' +
                 '\n' +
-                '
  • Element 2
    \n' +
+                '
  • Element 2
    \n' +
                 'test
    • \n' +
                 '\n' +
                 '\n' +
@@ -349,13 +349,12 @@ describe('Table plugin', () => {
                     '|Cell in column 2, row 3||',
             ),
         ).toBe(
-            '\n' +
-                '
    #|
    \n' +
-                '||Cell in column 1, row 1
    \n' +
-                '|Cell in column 2, row 1||
    \n' +
-                '||Cell in column 1, row 2
    \n' +
-                '|Cell in column 2, row 2||
    \n' +
-                '||Cell in column 1, row 3
    \n' +
+            '
    #|
    \n' +
+                '||Cell in column 1, row 1
    \n' +
+                '|Cell in column 2, row 1||
    \n' +
+                '||Cell in column 1, row 2
    \n' +
+                '|Cell in column 2, row 2||
    \n' +
+                '||Cell in column 1, row 3
    \n' +
                 '|Cell in column 2, row 3||
    \n',
         );
     });
@@ -371,10 +370,10 @@ describe('Table plugin', () => {
                     'Test',
             ),
         ).toBe(
-            '
    ||Cell in column 1, row 1
    \n' +
-                '|Cell in column 2, row 1
    \n' +
-                '||Cell in column 1, row 2
    \n' +
-                '|Cell in column 2, row 2
    \n' +
+            '
    ||Cell in column 1, row 1
    \n' +
+                '|Cell in column 2, row 1
    \n' +
+                '||Cell in column 1, row 2
    \n' +
+                '|Cell in column 2, row 2
    \n' +
                 '|#
    \n' +
                 '
    Test
    \n',
         );
@@ -392,12 +391,12 @@ describe('Table plugin', () => {
                     '|#',
             ),
         ).toBe(
-            '
    Test
    \n' +
-                '#|
    \n' +
-                '||Cell in column 1, row 1
    \n' +
+            '
    Test
    \n' +
+                '#|
    \n' +
+                '||Cell in column 1, row 1
    \n' +
                 '|Cell in column 2, row 1||
    \n' +
-                '
    ||Cell in column 1, row 2
    \n' +
-                '|Cell in column 2, row 2||
    \n' +
+                '
    ||Cell in column 1, row 2
    \n' +
+                '|Cell in column 2, row 2||
    \n' +
                 '|#
    \n',
         );
     });
diff --git a/test/term.test.ts b/test/term.test.ts
index 6653365a..16685533 100644
--- a/test/term.test.ts
+++ b/test/term.test.ts
@@ -78,35 +78,10 @@ describe('Terms', () => {
    - - - - + + + + diff --git a/test/xss.test.ts b/test/xss.test.ts new file mode 100644 index 00000000..8453feed --- /dev/null +++ b/test/xss.test.ts @@ -0,0 +1,558 @@ +/* eslint no-useless-escape: 0 */ + +import transform from '../src/transform'; + +const transformYfm = (text: string, options?: Parameters[1]) => { + const { + result: {html}, + } = transform(text, { + allowHTML: true, + ...options, + }); + return html; +}; + +// https://sking7.github.io/articles/218647712.html + +describe('XSS Filter', () => { + it('XSS Locator', () => { + const input = `';alert(String.fromCharCode(88,83,83))//';alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//-->">'>`; + const expected = `

    ';alert(String.fromCharCode(88,83,83))//';alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//-->">'>

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('XSS locator 2', () => { + const input = `'';!--"=&{()}`; + const expected = `

    '';!--"=&

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('No Filter Evasion', () => { + const input = ``; + const expected = ''; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Image XSS using the JavaScript directive', () => { + const input = ``; + const expected = ''; + + expect(transformYfm(input)).toBe(expected); + }); + + it('No quotes and no semicolon', () => { + const input = ``; + const expected = `

    <img src=javascript:alert('XSS')>

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Case insensitive XSS attack vector', () => { + const input = ``; + const expected = `

    <img src=JaVaScRiPt:alert('XSS')>

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('HTML entities', () => { + const input = ``; + const expected = `

    <img src=javascript:alert("XSS")>

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Grave accent obfuscation', () => { + const input = ""; + const expected = `

    <img src='javascript:alert("RSnake says, 'XSS'")'>

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Malformed A tags', () => { + const input = 'xxs link'; + const expected = `

    xxs link

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Malformed img tags', () => { + const input = '">'; + const expected = `

    <img """>">

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('fromCharCode', () => { + const input = ''; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Default src tag to get past filters that check src domain', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Default src tag by leaving it empty', () => { + const input = ``; + const expected = `

    <img src= onmouseover="alert('xxs')">

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Default src tag by leaving it out entirely', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Decimal HTML character references', () => { + const input = ``; + const expected = `

    <img src=javascript:alert(
    \n'XSS')>

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Decimal HTML character references without trailing semicolons', () => { + const input = ``; + const expected = `

    <img src=&#0000106&#0000097&#0000118&#0000097&#0000115&#0000099&#0000114&#0000105&#0000112&#0000116&#0000058&#0000097&
    \n#0000108&#0000101&#0000114&#0000116&#0000040&#0000039&#0000088&#0000083&#0000083&#0000039&#0000041>

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Hexadecimal HTML character references without trailing semicolons', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Embedded tab', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Embedded Encoded tab', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Embedded newline to break up XSS', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Embedded carriage return to break up XSS', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Null breaks up JavaScript directive', () => { + const input = `perl -e 'print "";' > out`; + const expected = `

    perl -e 'print "<img src=java�script:alert("XSS")>";' > out

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Spaces and meta chars before the JavaScript in images for XSS', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Non-alpha-non-digit XSS 1', () => { + const input = ``; + const expected = `

    <script/xss src="http://ha.ckers.org/xss.js">

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Non-alpha-non-digit XSS 2', () => { + const input = ''; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Non-alpha-non-digit XSS 3', () => { + const input = ''; + const expected = `

    <script/src="http://ha.ckers.org/xss.js">

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Non-alpha-non-digit XSS 4', () => { + const input = '<'; + const expected = `

    <

    \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('No closing script tags', () => { + const input = '`; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('input image', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('body image', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('img Dynsrc', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('img lowsrc', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('List-style-image', () => { + const input = `
    • XSS
      `; + const expected = `
      • XSS
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('VBscript in an image', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Livescript', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('body tag', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('BGSOUND', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('& JavaScript includes', () => { + const input = `
      `; + const expected = `
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('style sheet', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Remote style sheet', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Remote style sheet part 2', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Remote style sheet part 3', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Remote style sheet part 4', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('style tags with broken up JavaScript for XSS', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('style tags with broken up JavaScript for XSS part 2', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('img style with expression', () => { + const input = `exp/*//*");

      \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('img style with expression', () => { + const input = `exp/*      //*");

      \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('style tag', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('style tag using background-image', () => { + const input = `      `; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('style tag using background', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Anonymous HTML with style attribute', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Local htc file', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('US-ASCII encoding', () => { + const input = `¼script¾alert(¢XSS¢)¼/script¾`; + const expected = `

      ¼script¾alert(¢XSS¢)¼/script¾

      \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('meta', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('iframe', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('iframe Event based', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('frame', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('TABLE', () => { + const input = ``; + const expected = `
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('TD', () => { + const input = `
      `; + const expected = `
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('DIV background-image', () => { + const input = `
      `; + const expected = `
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('DIV background-image with unicoded XSS exploit', () => { + const input = `
      `; + const expected = `
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('DIV background-image with unicoded XSS exploit 2', () => { + const input = `
      `; + const expected = `
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('DIV expression', () => { + const input = `
      `; + const expected = `
      `; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Downlevel-Hidden block', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('BASE tag', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('OBJECT tag', () => { + const input = ``; + const expected = `

      \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Using an EMBED tag you can embed a Flash movie that contains XSS', () => { + const input = ``; + const expected = `

      <embed src="http://ha.ckers.Using an EMBED tag you can embed a Flash movie that contains XSS. Click here for a demo. If you add the attributes allowScriptAccess="never" and allownetworking="internal" it can mitigate this risk (thank you to Jonathan Vanasco for the info).:org/xss.swf" AllowScriptAccess="always">

      \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('You can EMBED SVG which can contain your XSS vector', () => { + const input = ``; + const expected = `

      \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('XML tag', () => { + const input = ``; + const expected = `

      \n`; + + expect(transformYfm(input)).toBe(expected); + }); + + it('Assuming you can only fit in a few characters and it filters against ".js"', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('SSI (Server Side Includes)', () => { + const input = ``; + const expected = ``; + + expect(transformYfm(input)).toBe(expected); + }); + + it('PHP', () => { + const input = `alert("XSS")'); ?>`; + const expected = `alert(\"XSS\")'); ?>`; + + expect(transformYfm(input)).toBe(expected); + }); +});