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Diffstat (limited to 'webapp/utils/markdown.jsx')
| -rw-r--r-- | webapp/utils/markdown.jsx | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/webapp/utils/markdown.jsx b/webapp/utils/markdown.jsx deleted file mode 100644 index 5918b1581..000000000 --- a/webapp/utils/markdown.jsx +++ /dev/null @@ -1,270 +0,0 @@ -// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved. -// See License.txt for license information. - -import * as TextFormatting from './text_formatting.jsx'; -import * as SyntaxHighlighting from './syntax_highlighting.jsx'; - -import marked from 'marked'; -import katex from 'katex'; - -class MattermostMarkdownRenderer extends marked.Renderer { - constructor(options, formattingOptions = {}) { - super(options); - - this.heading = this.heading.bind(this); - this.paragraph = this.paragraph.bind(this); - this.text = this.text.bind(this); - - this.formattingOptions = formattingOptions; - } - - code(code, language) { - let usedLanguage = language || ''; - usedLanguage = usedLanguage.toLowerCase(); - - if (usedLanguage === 'tex' || usedLanguage === 'latex') { - try { - const html = katex.renderToString(code, {throwOnError: false, displayMode: true}); - - return '<div class="post-body--code tex">' + html + '</div>'; - } catch (e) { - // fall through if latex parsing fails and handle below - } - } - - // treat html as xml to prevent injection attacks - if (usedLanguage === 'html') { - usedLanguage = 'xml'; - } - - let className = 'post-code'; - if (!usedLanguage) { - className += ' post-code--wrap'; - } - - let header = ''; - if (SyntaxHighlighting.canHighlight(usedLanguage)) { - header = ( - '<span class="post-code__language">' + - SyntaxHighlighting.getLanguageName(usedLanguage) + - '</span>' - ); - } - - // if we have to apply syntax highlighting AND highlighting of search terms, create two copies - // of the code block, one with syntax highlighting applied and another with invisible text, but - // search term highlighting and overlap them - const content = SyntaxHighlighting.highlight(usedLanguage, code); - let searchedContent = ''; - - if (this.formattingOptions.searchPatterns) { - const tokens = new Map(); - - let searched = TextFormatting.sanitizeHtml(code); - searched = TextFormatting.highlightSearchTerms(searched, tokens, this.formattingOptions.searchPatterns); - - if (tokens.size > 0) { - searched = TextFormatting.replaceTokens(searched, tokens); - - searchedContent = ( - '<div class="post-code__search-highlighting">' + - searched + - '</div>' - ); - } - } - - return ( - '<div class="' + className + '">' + - header + - '<code class="hljs">' + - searchedContent + - content + - '</code>' + - '</div>' - ); - } - - codespan(text) { - let output = text; - - if (this.formattingOptions.searchPatterns) { - const tokens = new Map(); - output = TextFormatting.highlightSearchTerms(output, tokens, this.formattingOptions.searchPatterns); - output = TextFormatting.replaceTokens(output, tokens); - } - - return ( - '<span class="codespan__pre-wrap">' + - '<code>' + - output + - '</code>' + - '</span>' - ); - } - - br() { - if (this.formattingOptions.singleline) { - return ' '; - } - - return super.br(); - } - - image(href, title, text) { - let src = href; - let dimensions = []; - const parts = href.split(' '); - if (parts.length > 1) { - const lastPart = parts.pop(); - src = parts.join(' '); - if (lastPart[0] === '=') { - dimensions = lastPart.substr(1).split('x'); - if (dimensions.length === 2 && dimensions[1] === '') { - dimensions[1] = 'auto'; - } - } - } - let out = '<img src="' + src + '" alt="' + text + '"'; - if (title) { - out += ' title="' + title + '"'; - } - if (dimensions.length > 0) { - out += ' width="' + dimensions[0] + '"'; - } - if (dimensions.length > 1) { - out += ' height="' + dimensions[1] + '"'; - } - out += ' class="markdown-inline-img"'; - out += this.options.xhtml ? '/>' : '>'; - return out; - } - - heading(text, level) { - return `<h${level} class="markdown__heading">${text}</h${level}>`; - } - - link(href, title, text) { - let outHref = href; - - if (this.formattingOptions.linkFilter && !this.formattingOptions.linkFilter(outHref)) { - return text; - } - - try { - let unescaped = unescape(href); - try { - unescaped = decodeURIComponent(unescaped); - } catch (e) { - unescaped = global.unescape(unescaped); - } - unescaped = unescaped.replace(/[^\w:]/g, '').toLowerCase(); - - if (unescaped.indexOf('javascript:') === 0 || unescaped.indexOf('vbscript:') === 0 || unescaped.indexOf('data:') === 0) { // eslint-disable-line no-script-url - return text; - } - } catch (e) { - return text; - } - - if (!(/[a-z+.-]+:/i).test(outHref)) { - outHref = `http://${outHref}`; - } - - let output = '<a class="theme markdown__link'; - - if (this.formattingOptions.searchPatterns) { - for (const pattern of this.formattingOptions.searchPatterns) { - if (pattern.pattern.test(href)) { - output += ' search-highlight'; - break; - } - } - } - - output += '" href="' + outHref + '" rel="noreferrer"'; - - // special case for team invite links, channel links, and permalinks that are inside the app - let internalLink = false; - if (this.formattingOptions.siteURL) { - const pattern = new RegExp('^' + TextFormatting.escapeRegex(this.formattingOptions.siteURL) + '\\/(?:signup_user_complete|[^\\/]+\\/(?:pl|channels))\\/'); - - internalLink = pattern.test(outHref); - } - - if (internalLink) { - output += ' data-link="' + outHref.substring(this.formattingOptions.siteURL) + '"'; - } else { - output += ' target="_blank"'; - } - - if (title) { - output += ' title="' + title + '"'; - } - - // remove any links added to the text by hashtag or mention parsing since they'll break this link - output += '>' + text.replace(/<\/?a[^>]*>/g, '') + '</a>'; - - return output; - } - - paragraph(text) { - if (this.formattingOptions.singleline) { - return `<p class="markdown__paragraph-inline">${text}</p>`; - } - - return super.paragraph(text); - } - - table(header, body) { - return `<div class="table-responsive"><table class="markdown__table"><thead>${header}</thead><tbody>${body}</tbody></table></div>`; - } - - listitem(text, bullet) { - const taskListReg = /^\[([ |xX])] /; - const isTaskList = taskListReg.exec(text); - - if (isTaskList) { - return `<li class="list-item--task-list">${'<input type="checkbox" disabled="disabled" ' + (isTaskList[1] === ' ' ? '' : 'checked="checked" ') + '/> '}${text.replace(taskListReg, '')}</li>`; - } - - if (/^\d+.$/.test(bullet)) { - // this is a numbered list item so override the numbering - return `<li value="${parseInt(bullet, 10)}">${text}</li>`; - } - - return `<li>${text}</li>`; - } - - text(txt) { - return TextFormatting.doFormatText(txt, this.formattingOptions); - } -} - -export function format(text, options = {}) { - const markdownOptions = { - renderer: new MattermostMarkdownRenderer(null, options), - sanitize: true, - gfm: true, - tables: true, - mangle: false - }; - - return marked(text, markdownOptions); -} - -// Marked helper functions that should probably just be exported - -function unescape(html) { - return html.replace(/&([#\w]+);/g, (_, m) => { - const n = m.toLowerCase(); - if (n === 'colon') { - return ':'; - } else if (n.charAt(0) === '#') { - return n.charAt(1) === 'x' ? - String.fromCharCode(parseInt(n.substring(2), 16)) : - String.fromCharCode(Number(n.substring(1))); - } - return ''; - }); -} |