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https://github.com/Jermolene/TiddlyWiki5
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![lin onetwo](/assets/img/avatar_default.png)
* feat: add modifier info * feat: replace image and attachment with [img[] and [[]] * feat: import as wikitext tid * fix: a few resources don't have title * fix: use hash as random name for images * fix: Firefox's DOMParser have problem in some cases * fix: bad char in title, and useless xmlns * Update sample-enex-with-image.xml.enex * Update enex-deserializer.js * Update readme.tid * fix: some dont have modified
140 lines
5.4 KiB
JavaScript
140 lines
5.4 KiB
JavaScript
/*\
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title: $:/plugins/tiddlywiki/evernote/modules/enex-deserializer.js
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type: application/javascript
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module-type: tiddlerdeserializer
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ENEX file deserializer
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For details see: https://blog.evernote.com/tech/2013/08/08/evernote-export-format-enex/
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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// DOMParser = require("$:/plugins/tiddlywiki/xmldom/dom-parser").DOMParser;
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var illegalFilenameCharacters = /[\[\]<>;\:\"\/\\\|\?\*\^\?\$\(\)\s~]/g;
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/*
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Parse an ENEX file into tiddlers
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*/
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exports["application/enex+xml"] = function(text,fields) {
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// Collect output tiddlers in an array
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var results = [];
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// Parse the XML document
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var doc = new DOMParser().parseFromString(text,"application/xml");
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// Output a report tiddler with information about the import
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var enex = doc.querySelector("en-export");
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if(!enex) {
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// Firefox's DOMParser have problem in some cases.
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throw new Error('Failed to parse ENEX file, no "en-export" node found, try use Chrome/Edge to export again.');
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}
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results.push({
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title: "Evernote Import Report",
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text: "Evernote file imported on " + enex.getAttribute("export-date") + " from " + enex.getAttribute("application") + " (" + enex.getAttribute("version") + ")"
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})
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// Get all the "note" nodes
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var noteNodes = doc.querySelectorAll("note");
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$tw.utils.each(noteNodes,function(noteNode) {
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var noteTitle = getTextContent(noteNode,"title");
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// get real note content node
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var contentNode = noteNode.querySelector("content")
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var contentText = (contentNode.textContent || "").replace(/ /g, ' ').trim();
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if(contentText) {
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// The final content will be HTML instead of xml. And we will save it as wikitext, to make wiki syntax work, and remaining HTML will also work.
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try {
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// may error if content is not valid XML
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contentNode = new DOMParser().parseFromString(contentText,"application/xml").querySelector("en-note") || contentNode;
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} catch(e) {
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// ignore
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}
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}
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// process main content and metadata, and save as wikitext tiddler.
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var noteResult = {
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title: noteTitle.replace(illegalFilenameCharacters,"_"),
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tags: [],
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modified: convertDate(getTextContent(noteNode,"updated") || getTextContent(noteNode,"created")),
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modifier: getTextContent(noteNode,"author"),
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created: convertDate(getTextContent(noteNode,"created")),
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creator: getTextContent(noteNode,"author")
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};
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// process resources (images, PDFs, etc.)
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$tw.utils.each(noteNode.querySelectorAll("resource"),function(resourceNode) {
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// hash generated by applying https://github.com/vzhd1701/evernote-backup/pull/54
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var hash = resourceNode.querySelector("data").getAttribute("hash");
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var text = getTextContent(resourceNode,"data");
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var mimeType = getTextContent(resourceNode,"mime");
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var contentTypeInfo = $tw.config.contentTypeInfo[mimeType] || {extension:""};
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var title = getTextContent(resourceNode,"resource-attributes>file-name")
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// a few resources don't have title, use hash as fallback
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title = title || (hash + contentTypeInfo.extension);
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// replace all system reserved characters in title
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title = title.replace(illegalFilenameCharacters,"_");
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// prefix image title with note title, to avoid name conflicts which is quite common in web-clipped content
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title = noteResult.title + "/" + title;
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results.push({
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title: title,
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type: mimeType,
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width: getTextContent(resourceNode,"width"),
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height: getTextContent(resourceNode,"height"),
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text: text,
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// give image same modified and modifier as the note, so they can be grouped together in the "Recent"
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modified: noteResult.modified,
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modifier: noteResult.modifier,
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created: noteResult.created,
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creator: noteResult.creator
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});
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if(hash) {
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fixAttachmentReference(contentNode, hash, mimeType, title);
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}
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});
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// export mixed content of wikitext and HTML
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noteResult.text = contentNode.innerHTML;
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// remove all ` xmlns="http://www.w3.org/1999/xhtml"` attributes to save some space
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noteResult.text = noteResult.text.replace(/ xmlns="http:\/\/www.w3.org\/1999\/xhtml"/g, "");
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$tw.utils.each(noteNode.querySelectorAll("tag"),function(tagNode) {
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noteResult.tags.push(tagNode.textContent);
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});
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// If there's an update date, set modifiy date accordingly
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var update = getTextContent(noteNode,"updated");
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if(update) {
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noteResult.modified = convertDate(update);
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}
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$tw.utils.each(noteNode.querySelectorAll("note-attributes>*"),function(attrNode) {
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noteResult[attrNode.tagName] = attrNode.textContent;
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});
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results.push(noteResult);
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});
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// Return the output tiddlers
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return results;
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};
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function getTextContent(node,selector) {
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return (node.querySelector(selector) || {}).textContent || "";
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}
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function convertDate(isoDate) {
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return (isoDate || "").replace("T","").replace("Z","") + "000"
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}
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function fixAttachmentReference(contentNode, md5Hash, mimeType, name) {
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if(!contentNode) return;
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var mediaNode = contentNode.querySelector('en-media[hash="' + md5Hash + '"]');
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if(!name) {
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throw new Error("name is empty for resource hash" + md5Hash);
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}
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if(!mediaNode) return;
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if(mimeType.indexOf("image/") === 0) {
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// find en-media node, replace with image syntax
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mediaNode.parentNode.replaceChild($tw.utils.domMaker("p", {text: "[img["+ name + "]]"}), mediaNode);
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} else {
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// For other than image attachments, we make a link to the tiddler
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mediaNode.parentNode.replaceChild($tw.utils.domMaker("p", {text: "[["+ name + "]]"}), mediaNode);
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}
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}
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})();
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