Refactor HTML markup stuff into its own class, and whitelist h1 and h2

This commit is contained in:
Matthew Hodgson 2015-11-20 18:58:05 +00:00
parent 3cf9f5248b
commit 29af81e827
3 changed files with 84 additions and 104 deletions

View file

@ -17,67 +17,18 @@ limitations under the License.
'use strict';
var React = require('react');
var sanitizeHtml = require('sanitize-html');
var HtmlUtils = require('../../../../HtmlUtils');
var MNoticeTileController = require('matrix-react-sdk/lib/controllers/molecules/MNoticeTile')
var allowedAttributes = sanitizeHtml.defaults.allowedAttributes;
allowedAttributes['font'] = ['color'];
var sanitizeHtmlParams = {
allowedTags: sanitizeHtml.defaults.allowedTags.concat([ 'font' ]),
allowedAttributes: allowedAttributes,
};
module.exports = React.createClass({
displayName: 'MNoticeTile',
mixins: [MNoticeTileController],
// FIXME: this entire class is copy-pasted from MTextTile :(
// XXX: fix horrible duplication with MTextTile
render: function() {
var content = this.props.mxEvent.getContent();
var originalBody = content.body;
var body;
if (this.props.searchTerm) {
var lastOffset = 0;
var bodyList = [];
var k = 0;
var offset;
// XXX: rather than searching for the search term in the body,
// we should be looking at the match delimiters returned by the FTS engine
if (content.format === "org.matrix.custom.html") {
var safeBody = sanitizeHtml(content.formatted_body, sanitizeHtmlParams);
var safeSearchTerm = sanitizeHtml(this.props.searchTerm, sanitizeHtmlParams);
while ((offset = safeBody.indexOf(safeSearchTerm, lastOffset)) >= 0) {
// FIXME: we need to apply the search highlighting to only the text elements of HTML, which means
// hooking into the sanitizer parser rather than treating it as a string. Otherwise
// the act of highlighting a <b/> or whatever will break the HTML badly.
bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeBody.substring(lastOffset, offset) }} />);
bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeSearchTerm }} className="mx_MessageTile_searchHighlight" />);
lastOffset = offset + safeSearchTerm.length;
}
bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeBody.substring(lastOffset) }} />);
}
else {
while ((offset = originalBody.indexOf(this.props.searchTerm, lastOffset)) >= 0) {
bodyList.push(<span key={ k++ } >{ originalBody.substring(lastOffset, offset) }</span>);
bodyList.push(<span key={ k++ } className="mx_MessageTile_searchHighlight">{ this.props.searchTerm }</span>);
lastOffset = offset + this.props.searchTerm.length;
}
bodyList.push(<span key={ k++ }>{ originalBody.substring(lastOffset) }</span>);
}
body = bodyList;
}
else {
if (content.format === "org.matrix.custom.html") {
var safeBody = sanitizeHtml(content.formatted_body, sanitizeHtmlParams);
body = <span dangerouslySetInnerHTML={{ __html: safeBody }} />;
}
else {
body = originalBody;
}
}
var body = HtmlUtils.bodyToHtml(content, this.props.searchTerm);
return (
<span ref="content" className="mx_MNoticeTile mx_MessageTile_content">

View file

@ -17,67 +17,17 @@ limitations under the License.
'use strict';
var React = require('react');
var sanitizeHtml = require('sanitize-html');
var HtmlUtils = require('../../../../HtmlUtils');
var MTextTileController = require('matrix-react-sdk/lib/controllers/molecules/MTextTile')
var allowedAttributes = sanitizeHtml.defaults.allowedAttributes;
allowedAttributes['font'] = ['color'];
var sanitizeHtmlParams = {
allowedTags: sanitizeHtml.defaults.allowedTags.concat([ 'font' ]),
allowedAttributes: allowedAttributes,
};
module.exports = React.createClass({
displayName: 'MTextTile',
mixins: [MTextTileController],
// FIXME: this entire class is copy-pasted from MTextTile :(
render: function() {
var content = this.props.mxEvent.getContent();
var originalBody = content.body;
var body;
if (this.props.searchTerm) {
var lastOffset = 0;
var bodyList = [];
var k = 0;
var offset;
// XXX: rather than searching for the search term in the body,
// we should be looking at the match delimiters returned by the FTS engine
if (content.format === "org.matrix.custom.html") {
var safeBody = sanitizeHtml(content.formatted_body, sanitizeHtmlParams);
var safeSearchTerm = sanitizeHtml(this.props.searchTerm, sanitizeHtmlParams);
while ((offset = safeBody.indexOf(safeSearchTerm, lastOffset)) >= 0) {
// FIXME: we need to apply the search highlighting to only the text elements of HTML, which means
// hooking into the sanitizer parser rather than treating it as a string. Otherwise
// the act of highlighting a <b/> or whatever will break the HTML badly.
bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeBody.substring(lastOffset, offset) }} />);
bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeSearchTerm }} className="mx_MessageTile_searchHighlight" />);
lastOffset = offset + safeSearchTerm.length;
}
bodyList.push(<span key={ k++ } dangerouslySetInnerHTML={{ __html: safeBody.substring(lastOffset) }} />);
}
else {
while ((offset = originalBody.indexOf(this.props.searchTerm, lastOffset)) >= 0) {
bodyList.push(<span key={ k++ } >{ originalBody.substring(lastOffset, offset) }</span>);
bodyList.push(<span key={ k++ } className="mx_MessageTile_searchHighlight">{ this.props.searchTerm }</span>);
lastOffset = offset + this.props.searchTerm.length;
}
bodyList.push(<span key={ k++ }>{ originalBody.substring(lastOffset) }</span>);
}
body = bodyList;
}
else {
if (content.format === "org.matrix.custom.html") {
var safeBody = sanitizeHtml(content.formatted_body, sanitizeHtmlParams);
body = <span dangerouslySetInnerHTML={{ __html: safeBody }} />;
}
else {
body = originalBody;
}
}
var body = HtmlUtils.bodyToHtml(content, this.props.searchTerm);
return (
<span ref="content" className="mx_MTextTile mx_MessageTile_content">