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Copy pathsummernote-cleaner-skunkworks.js
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summernote-cleaner-skunkworks.js
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/* https://github.com/DiemenDesign/summernote-cleaner */
/* Version: 1.1.0 */
(function(factory) {
if (typeof define === 'function' && define.amd) {
define(['jquery'], factory);
} else if (typeof module === 'object'&&module.exports) {
module.exports = factory(require('jquery'));
} else {
factory(window.jQuery);
}
}
(function ($) {
$.extend(true, $.summernote.lang, {
'en-US': {
cleaner: {
tooltip: 'Cleaner',
not: 'Text has been cleaned!',
limitText: 'Text',
limitHTML: 'HTML'
}
},
'de-DE': {
cleaner: {
tooltip: 'Bereinigen',
not: 'Inhalt wurde bereinigt!',
limitText: 'Text',
limitHTML: 'HTML'
}
},
});
$.extend( $.summernote.options, {
cleaner: {
action: 'both', // both|button|paste 'button' only cleans via toolbar button, 'paste' only clean when pasting content, both does both options.
icon: '<i class="note-icon"><svg xmlns="http://www.w3.org/2000/svg" id="libre-paintbrush" viewBox="0 0 14 14" width="14" height="14"><path d="m 11.821425,1 q 0.46875,0 0.82031,0.311384 0.35157,0.311384 0.35157,0.780134 0,0.421875 -0.30134,1.01116 -2.22322,4.212054 -3.11384,5.035715 -0.64956,0.609375 -1.45982,0.609375 -0.84375,0 -1.44978,-0.61942 -0.60603,-0.61942 -0.60603,-1.469866 0,-0.857143 0.61608,-1.419643 l 4.27232,-3.877232 Q 11.345985,1 11.821425,1 z m -6.08705,6.924107 q 0.26116,0.508928 0.71317,0.870536 0.45201,0.361607 1.00781,0.508928 l 0.007,0.475447 q 0.0268,1.426339 -0.86719,2.32366 Q 5.700895,13 4.261155,13 q -0.82366,0 -1.45982,-0.311384 -0.63616,-0.311384 -1.0212,-0.853795 -0.38505,-0.54241 -0.57924,-1.225446 -0.1942,-0.683036 -0.1942,-1.473214 0.0469,0.03348 0.27455,0.200893 0.22768,0.16741 0.41518,0.29799 0.1875,0.130581 0.39509,0.24442 0.20759,0.113839 0.30804,0.113839 0.27455,0 0.3683,-0.247767 0.16741,-0.441965 0.38505,-0.753349 0.21763,-0.311383 0.4654,-0.508928 0.24776,-0.197545 0.58928,-0.31808 0.34152,-0.120536 0.68974,-0.170759 0.34821,-0.05022 0.83705,-0.07031 z"/></svg></i>',
keepHtml: true,
keepTagContents: ['span'], //Remove tags and keep the contents
badTags: ['applet', 'col', 'colgroup', 'embed', 'noframes', 'noscript', 'script', 'style', 'title', 'meta', 'link', 'head'], //Remove full tags with contents
badAttributes: ['bgcolor', 'border', 'height', 'cellpadding', 'cellspacing', 'lang', 'start', 'style', 'valign', 'width', 'data-(.*>)'], //Remove attributes from remaining tags
limitChars: 0, // 0|# 0 disables option
limitDisplay: 'both', // none|text|html|both
limitStop: false, // true/false
notTimeOut: 850, //time before status message is hidden in miliseconds
keepImages: true,
imagePlaceholder: 'https://via.placeholder.com/200'
}
});
$.extend( $.summernote.plugins, {
'cleaner': function (context) {
var ui = $.summernote.ui,
$note = context.layoutInfo.note,
$editor = context.layoutInfo.editor,
options = context.options,
lang = options.langInfo;
if (options.cleaner.action === 'both' || options.cleaner.action === 'button') {
context.memo('button.cleaner', function () {
var button = ui.button({
contents: options.cleaner.icon,
container: options.container,
tooltip: lang.cleaner.tooltip,
placement: options.placement,
click: function () {
if ($note.summernote('createRange').toString())
$note.summernote('pasteHTML', $note.summernote('createRange').toString());
else
$note.summernote('code', cleanPaste($note.summernote('code'), options.cleaner.badTags, options.cleaner.keepTagContents, options.cleaner.badAttributes, options.cleaner.keepImages, options.cleaner.imagePlaceholder, true));
if ($editor.find('.note-statusbar').length > 0)
$editor.find('.note-statusbar').html(lang.cleaner.not);
}
});
return button.render();
});
}
this.events = {
'summernote.init': function () {
buildLengthStatusDisplay();
},
'summernote.keydown': function (we, event) {
if (options.cleaner.limitChars !== 0 || options.cleaner.limitDisplay !== 'none') {
var textLength = $editor.find(".note-editable").text().replace(/(<([^>]+)>)/ig, "").replace(/( )/, " ");
var codeLength = $editor.find('.note-editable').html();
var lengthStatus = '';
if (options.cleaner.limitStop === true && textLength.length >= options.cleaner.limitChars) {
var key = event.keyCode;
allowed_keys = [8, 37, 38, 39, 40, 46];
if ($.inArray(key,allowed_keys) !== -1){
$editor.find('.cleanerLimit').removeClass('note-text-danger');
return true;
} else {
$editor.find('.cleanerLimit').addClass('note-text-danger');
event.preventDefault();
event.stopPropagation();
}
} else {
if (textLength.length > options.cleaner.limitChars && options.cleaner.limitChars > 0)
lengthStatus += 'note-text-danger">';
else
lengthStatus += '">';
if (options.cleaner.limitDisplay === 'text' || options.cleaner.limitDisplay === 'both')
lengthStatus += lang.cleaner.limitText + ': '+textLength.length;
if (options.cleaner.limitDisplay === 'both')
lengthStatus += ' / ';
if (options.cleaner.limitDisplay === 'html' || options.cleaner.limitDisplay === 'both')
lengthStatus += lang.cleaner.limitHTML + ': ' + codeLength.length;
$editor.find('.note-statusbar').html('<small class="cleanerLimit note-pull-right ' + lengthStatus + ' </small>');
}
}
},
'summernote.paste': function(we, event) {
if (options.cleaner.action === 'both' || options.cleaner.action === 'paste') {
event.preventDefault();
// delete selected text when pasting and paste it where the deleted text was
if (document.getSelection().toString().length > 0) {
rng = $.summernote.range;
r = rng.createFromSelection();
r.deleteContents();
$note.summernote('editor.setLastRange', r.select());
}
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
msie = msie > 0 || !!navigator.userAgent.match(/Trident.*rv:11\./);
var ffox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1;
var text; var isHtmlData = false;
if (msie)
text = window.clipboardData.getData("Text");
else
{
var dataType = 'text/plain';
// only get the html data if its available else use plain text
if (options.cleaner.keepHtml && event.originalEvent.clipboardData.types.indexOf('text/html') > -1) {
dataType = 'text/html';
isHtmlData = true;
}
text = event.originalEvent.clipboardData.getData(dataType);
}
if (text) {
// clean the text first to prevent issues where code view wasn't updating correctly
var cleanedContent = cleanPaste(text, options.cleaner.badTags, options.cleaner.keepTagContents, options.cleaner.badAttributes, options.cleaner.keepImages, options.cleaner.imagePlaceholder, isHtmlData);
if (cleanedContent !== undefined) {
if (msie || ffox) {
setTimeout(function () {
$note.summernote('pasteHTML', cleanedContent);
}, 1);
} else {
$note.summernote('pasteHTML', cleanedContent);
}
}
if ($editor.find('.note-statusbar').length > 0) {
$editor.find('.note-statusbar').html(lang.cleaner.not);
// now set a timeout to clear out the message
setTimeout(function(){
if($editor.find('.note-statusbar').html() === lang.cleaner.not){
// lets fade out the text, then clear it and show the control ready for next time
$editor.find('.note-statusbar').fadeOut(function(){
$(this).html("");
$(this).fadeIn();
buildLengthStatusDisplay();
});
}
}, options.cleaner.notTimeOut)
}
}
}
}
}
var buildLengthStatusDisplay = function() {
if (options.cleaner.limitChars !== 0 || options.cleaner.limitDisplay !== 'none'){
var textLength = $editor.find(".note-editable").text().replace(/(<([^>]+)>)/ig, "").replace(/( )/," ");
var codeLength = $editor.find('.note-editable').html();
var lengthStatus = '';
if (textLength.length > options.cleaner.limitChars&&options.cleaner.limitChars > 0)
lengthStatus += 'note-text-danger">';
else
lengthStatus += '">';
if (options.cleaner.limitDisplay === 'text' || options.cleaner.limitDisplay === 'both')
lengthStatus += lang.cleaner.limitText + ': ' + textLength.length;
if (options.cleaner.limitDisplay === 'both')
lengthStatus += ' / ';
if (options.cleaner.limitDisplay === 'html' || options.cleaner.limitDisplay === 'both')
lengthStatus += lang.cleaner.limitHTML + ': ' + codeLength.length;
$editor.find('.note-status-output').html('<small class="note-pull-right ' + lengthStatus + ' </small>');
}
}
var cleanPaste = function(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder, isHtmlData) {
if(isHtmlData) {
return cleanHtmlPaste(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder);
} else {
return cleanTextPaste(input);
}
};
var cleanTextPaste = function(input) {
var newLines = /(\r\n|\r|\n)/g;
// lets only replace < and > as these are the culprit for HTML tag recognition
let inputEscapedHtml = input.replace('<', '<').replace('>', '>');
var parsedInput = inputEscapedHtml.split(newLines);
if(parsedInput.length === 1) { return inputEscapedHtml; }
var output = "";
// for larger blocks of text (such as multiple paragraphs) match summernote markup
for (let contentIndex = 0; contentIndex < parsedInput.length; contentIndex++) {
const element = parsedInput[contentIndex];
if(!newLines.test(element)) {
var line = element === '' ? '<br>' : element;
output += '<p>' + line + '</p>'
}
}
return output;
}
var cleanHtmlPaste = function(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder) {
if (typeof(window.jQuery) === 'function') {
return cleanHtmlPasteWithjQuery(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder)
} else {
return cleanHtmlPasteWithRegExp(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder)
}
}
var cleanHtmlPasteWithRegExp = function(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder) {
let i;
var stringStripper = /( class=(")?Mso[a-zA-Z]+(")?)/gmi;
// remove MS office class crud
var output = input.replace(stringStripper, '');
var commentStripper = new RegExp('<!--(.*?)-->', 'gmi');
output = output.replace(commentStripper, '');
// remove MS office comment if else crud
var commentIfStripper = new RegExp('<![^>\v]*>', 'gmi');
output = output.replace(commentIfStripper, '');
var tagStripper = new RegExp('<(/)*(\\?xml:|st1:|o:|v:)[^>\v]*>', 'gmi');
if (!keepImages) {
output = output.replace(/ src="(.*?)"/gmi, ' src="' + imagePlaceholder + '"');
}
output = output.replace(/ name="(.*?)"/gmi, ' data-title="$1" alt="$1"');
// remove MS office tag crud
output = output.replace(tagStripper, '');
for (i = 0; i < badTags.length; i++) {
const badTag = badTags[i];
// remove the tag and its contents
tagStripper = new RegExp('<' + badTag + '(.|\r|\n)*</' + badTag + '[^>\v]*>', 'gmi');
output = output.replace(tagStripper, '');
// remove tags with no ending tag or rogue ending tags
var singletonTagStripper = new RegExp('</?' + badTag + '[^>\v]*>', 'gmi');
output = output.replace(singletonTagStripper, '');
}
for (i = 0; i < keepTagContents.length; i++) {
// remove tags only
tagStripper = new RegExp('</?' + keepTagContents[i] + '[^>\v]*>', 'gmi');
output = output.replace(tagStripper, ' ');
}
for (i = 0; i < badAttributes.length; i++) {
const badAttribute = badAttributes[i];
// for attribute matching ensure we match a new line or some kind of space to prevents partial matching for attributes (e.g. color would modify bgcolor tag to be just bg)
var attributeWithSpeechMarksStripper = new RegExp('(\s|\r\n|\r|\n| )' + badAttribute + '="[^"\v]*"', 'gmi');
output = output.replace(attributeWithSpeechMarksStripper, '');
var attributeWithApostropheStripper = new RegExp('(\s|\r\n|\r|\n| )' + badAttribute + "='[^'\v]*'", 'gmi');
output = output.replace(attributeWithApostropheStripper, '');
}
output = output.replace(/ align="(.*?)"/gi, ' class="text-$1"');
output = output.replace(/ class="western"/gi, '');
output = output.replace(/ class=""/gi, '');
output = output.replace(/<b>(.*?)<\/b>/gi, '<strong>$1</strong>');
output = output.replace(/<i>(.*?)<\/i>/gi, '<em>$1</em>');
output = output.replace(/\s{2,}/g, ' ').trim();
return output;
}
// Doing similar thing as RegExp one but keeping the classes and <b> <i> as is
var cleanHtmlPasteWithjQuery = function(input, badTags, keepTagContents, badAttributes, keepImages, imagePlaceholder) {
let i;
var newLines = /(\r\n|\r|\n)/g;
input = input.replace(newLines, ' ');
sanidom = $('<div></div>').html(input);
if (!keepImages) {
sanidom.find("img").attr('src', imagePlaceholder);
}
for (i = 0; i < badTags.length; i++) {
sanidom.find(badTags[i]).remove();
}
sanidom.find(':empty').remove();
for (i = 0; i < keepTagContents.length; i++) {
sanidom.find(keepTagContents[i]).replaceWith(function() {
return cleanReplacement(keepTagContents[i], $(this).html());
});
}
for (i = 0; i < badAttributes.length; i++) {
sanidom.find("[" + badAttributes[i] + "]").removeAttr(badAttributes[i]);
}
sanidom.find('[align]').each(function() {
me = $(this);
me.addClass("text-" + me.attr('align'));
});
sanidom.contents().filter(function() {
return ((this.nodeType === Node.TEXT_NODE && !/\S/.test(this.nodeValue)) || this.nodeType === Node.COMMENT_NODE);
}).remove();
return sanidom.html().replace(newLines, '');
}
var cleanReplacement = function(targetTag, replacement) {
var $test = $('<div />').append(replacement);
if ($test.find(targetTag).length > 0) {
$test.find(targetTag).replaceWith(function() {
return cleanReplacement(targetTag, $(this).html())
});
return $test.html();
}
return replacement;
}
}
});
}));