cryptpad/www/pad/export.js

112 lines
4.0 KiB
JavaScript

// SPDX-FileCopyrightText: 2023 XWiki CryptPad Team <contact@cryptpad.org> and contributors
//
// SPDX-License-Identifier: AGPL-3.0-or-later
define([
'jquery',
'/common/common-util.js',
'/common/diffMarked.js',
'/common/hyperscript.js',
'/components/hyper-json/hyperjson.js',
'/components/nthen/index.js',
'/lib/turndown.browser.umd.js'
], function ($, Util, DiffMd, h, Hyperjson, nThen, Turndown) {
var module = {
ext: '.html', // default
exts: ['.html', '.md', '.doc']
};
module.importMd = function (md, common) {
var html = DiffMd.render(md, true, false, true);
var div = h('div#cp-temp');
DiffMd.apply(html, $(div), common);
var body = h('body');
body.innerHTML = div.innerHTML;
return body;
};
var exportMediaTags = function (inner, cb) {
var $clone = $(inner).clone();
nThen(function (waitFor) {
$(inner).find('media-tag').each(function (i, el) {
var blob = Util.find(el, ['_mediaObject','_blob', 'content']);
if (!blob) { return; }
Util.blobToImage(blob, waitFor(function (imgSrc) {
$clone.find('media-tag[src="' + $(el).attr('src') + '"] img')
.attr('src', imgSrc);
$clone.find('media-tag').parent()
.find('.cke_widget_drag_handler_container').remove();
}));
});
}).nThen(function () {
cb($clone[0]);
});
};
var cleanHtml = function (inner) {
return inner.innerHTML.replace(/<img[^>]*class="cke_anchor"[^>]*data-cke-realelement="([^"]*)"[^>]*>/g,
function(match,realElt){
//console.log("returning realElt \"" + unescape(realElt)+ "\".");
return decodeURIComponent(realElt);
});
};
module.getHTML = function (inner) {
return ('<!DOCTYPE html>\n' + '<html>\n' +
' <head><meta charset="utf-8"></head>\n <body>' +
cleanHtml(inner) +
' </body>\n</html>'
);
};
var exportDoc = function (inner) {
var preHtml = "<html xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:w='urn:schemas-microsoft-com:office:word' xmlns='http://www.w3.org/TR/REC-html40'><head><meta charset='utf-8'><title>Export HTML To Doc</title></head><body>";
var postHtml = "</body></html>";
var _html = preHtml+cleanHtml(inner)+postHtml;
return _html;
};
module.main = function (userDoc, cb, ext) {
if (!ext || module.exts.indexOf(ext) === -1) { ext = module.ext; }
var inner;
if (userDoc && userDoc.tagName) {
inner = userDoc;
} else {
try {
if (Array.isArray(userDoc)) {
inner = Hyperjson.toDOM(userDoc);
} else {
console.error('This Pad is not an array!', userDoc);
return void cb('');
}
} catch (e) {
console.log(JSON.stringify(userDoc));
console.error(userDoc);
console.error(e);
return void cb('');
}
}
exportMediaTags(inner, function (toExport) {
if (ext === ".doc") {
var blob = new Blob(['\ufeff', exportDoc(toExport)], {
type: 'application/msword'
});
return void cb(blob);
}
if (ext === ".md") {
var md = Turndown({
headingStyle: 'atx'
}).turndown(toExport);
var mdBlob = new Blob([md], {
type: 'text/markdown;charset=utf-8'
});
return void cb(mdBlob);
}
var html = module.getHTML(toExport);
cb(new Blob([ html ], { type: "text/html;charset=utf-8" }));
});
};
return module;
});