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Fixed some issues in markdown CKEDITOR plugin and remove BBCode plugin.

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This commit is contained in:
Jan Böhmer 2019-10-12 18:22:07 +02:00
parent be8f074ca5
commit d11a436e74
6 changed files with 26 additions and 1396 deletions
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49
public/ckeditor/plugins/markdown/plugin.js
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@ -1,5 +1,8 @@
/**
* This software is licensed under MIT License
* A markdown output plugin for CKEDITOR.
* Uses showdown.js for conversion and DOMPurifier for HTML filtering.
*
* This software is licensed under MIT License.
*
* Copyright (c) 2019 Jan Böhmer
*
@ -24,14 +27,15 @@
(function() {
var unchangedData = null;
function overrideDataProcessor(editor)
{
//Both showdown and DOMPurify must be loaded
if(typeof(showdown) == 'undefined') return;
if (typeof(DOMPurify) == 'undefined') return;
//If the dataprocessor were already be overriden do nothing
if(editor.dataProcessor.markdown) return;
var converter = new showdown.Converter();
//Set some useful options on Showdown
converter.setFlavor('github');
@ -42,25 +46,26 @@
editor.dataProcessor = {
toDataFormat: function(html, fixForBody) {
html = html.replace(/(\r\n|\n|\r)/gm,"");
//html = html.replace(/(\r\n|\n|\r)/gm,"");
html = html.replace('<br>', '\n');
//Support for strikethrough
//Support for strikethrough in markdown
html = html.replace('<s>', '<del>').replace('</s>', '</del>');
return converter.makeMarkdown(html);
},
toHtml: function(data) {
if(unchangedData) {
data = unchangedData;
unchangedData = null;
}
//Strip html tags from data.
//This is useful, to convert unsupported HTML feauters to plain text and adds an basic XSS protection
//The HTML is inside an iframe so an XSS attack can not do much harm.
data = DOMPurify.sanitize(data);
return tmp = converter.makeHtml(data);
toHtml: function(data){
//Convert markdown to HTML and remove unsafe things from it.
var unsafe = converter.makeHtml(data);
return DOMPurify.sanitize(unsafe);
},
//Mark this dataprocessor
markdown: true
};
//Set the original data
if(editor.markdown_unchangedData) {
editor.setData(editor.markdown_unchangedData);
editor.markdown_unchangedData = null;
}
}
CKEDITOR.plugins.add( 'markdown', {
@ -129,20 +134,19 @@
var config = editor.config;
var rootPath = this.path;
//We override the dataprocessor later (after we loaded t
unchangedData = editor.getData();
//We override the dataprocessor later (after we loaded the needes scripts), sow we need the save untouched data now.
editor.markdown_unchangedData = editor.getData();
if (typeof(showdown) == 'undefined') {
CKEDITOR.scriptLoader.load(rootPath + 'js/showdown.min.js', function() {
overrideDataProcessor(editor);
editor.setData(unchangedData);
});
}, CKEDITOR, true);
}
if (typeof(DOMPurify) == 'undefined') {
CKEDITOR.scriptLoader.load(rootPath + 'js/purify.min.js', function() {
overrideDataProcessor(editor);
});
overrideDataProcessor()
}, CKEDITOR, true);
}
},
@ -151,5 +155,4 @@
overrideDataProcessor(editor);
}
} );
} )();