release 0.9.0-beta

config-sample.ini

@@ -1,3 +1,7 @@
+[General]
+# Instance name can be used to distinguish between different instances
+instanceName=
+
 [Network]
 port=8080
 # true for TLS/SSL/HTTPS (secure), false for HTTP (unsecure).

db/migrations/0077__non_null_attribute_value.sql

@@ -0,0 +1,23 @@
+UPDATE attributes SET value = '' WHERE value IS NULL;
+
+CREATE TABLE IF NOT EXISTS "attributes_mig"
+(
+  attributeId TEXT PRIMARY KEY NOT NULL,
+  noteId TEXT NOT NULL,
+  name TEXT NOT NULL,
+  value TEXT NOT NULL DEFAULT '',
+  position INT NOT NULL DEFAULT 0,
+  dateCreated TEXT NOT NULL,
+  dateModified TEXT NOT NULL,
+  isDeleted INT NOT NULL
+);
+
+INSERT INTO attributes_mig (attributeId, noteId, name, value, position, dateCreated, dateModified, isDeleted)
+    SELECT attributeId, noteId, name, value, position, dateCreated, dateModified, isDeleted FROM attributes;
+
+DROP TABLE attributes;
+
+ALTER TABLE attributes_mig RENAME TO attributes;
+
+CREATE INDEX IDX_attributes_noteId ON attributes (noteId);
+CREATE INDEX IDX_attributes_name_value ON attributes (name, value);

db/migrations/0078__javascript_type.sql

@@ -0,0 +1 @@
+UPDATE notes SET mime = 'application/javascript;env=frontend' WHERE type = 'code' AND mime = 'application/javascript';

electron.js

@@ -15,6 +15,8 @@ require('electron-debug')();
 // Prevent window being garbage collected
 let mainWindow;
 
+require('electron-dl')({ saveAs: true });
+
 function onClosed() {
     // Dereference the window
     // For multiple windows store them in an array

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "trilium",
-  "version": "0.6.1",
+  "version": "0.7.0-beta",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -3206,6 +3206,16 @@
         "electron-localshortcut": "3.1.0"
       }
     },
+    "electron-dl": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/electron-dl/-/electron-dl-1.11.0.tgz",
+      "integrity": "sha512-iL9qHzzWOuL9bus+UT+P72SwrDQcFTV6QHqcbhwgqjCC9/K5jhdRzG0dIMB3TzYlk6rmApanPqh9DvWykwIH1Q==",
+      "requires": {
+        "ext-name": "5.0.0",
+        "pupa": "1.0.0",
+        "unused-filename": "1.0.0"
+      }
+    },
     "electron-download": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/electron-download/-/electron-download-3.3.0.tgz",
@@ -4374,6 +4384,23 @@
         }
       }
     },
+    "ext-list": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/ext-list/-/ext-list-2.2.2.tgz",
+      "integrity": "sha512-u+SQgsubraE6zItfVA0tBuCBhfU9ogSRnsvygI7wht9TS510oLkBRXBsqopeUG/GBOIQyKZO9wjTqIu/sf5zFA==",
+      "requires": {
+        "mime-db": "1.30.0"
+      }
+    },
+    "ext-name": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/ext-name/-/ext-name-5.0.0.tgz",
+      "integrity": "sha512-yblEwXAbGv1VQDmow7s38W77hzAgJAO50ztBLMcUyUBfxv1HC+LGwtiEN+Co6LtlqT/5uwVOxsD4TNIilWhwdQ==",
+      "requires": {
+        "ext-list": "2.2.2",
+        "sort-keys-length": "1.0.1"
+      }
+    },
     "extend": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
@@ -5922,8 +5949,7 @@
     "is-plain-obj": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz",
-      "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4=",
-      "dev": true
+      "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4="
     },
     "is-png": {
       "version": "1.1.0",
@@ -7152,6 +7178,11 @@
         }
       }
     },
+    "modify-filename": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/modify-filename/-/modify-filename-1.1.0.tgz",
+      "integrity": "sha1-mi3sg4Bvuy2XXyK+7IWcoms5OqE="
+    },
     "moment": {
       "version": "2.20.1",
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.20.1.tgz",
@@ -7564,6 +7595,11 @@
         "mimic-fn": "1.1.0"
       }
     },
+    "open": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/open/-/open-0.0.5.tgz",
+      "integrity": "sha1-QsPhjslUZra/DcQvOilFw/DK2Pw="
+    },
     "optimist": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
@@ -8391,6 +8427,11 @@
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
       "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
     },
+    "pupa": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/pupa/-/pupa-1.0.0.tgz",
+      "integrity": "sha1-mpVopa9+ZXuEYqbp1TKHQ1YM7/Y="
+    },
     "q": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",
@@ -9186,11 +9227,18 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/sort-keys/-/sort-keys-1.1.2.tgz",
       "integrity": "sha1-RBttTTRnmPG05J6JIK37oOVD+a0=",
-      "dev": true,
       "requires": {
         "is-plain-obj": "1.1.0"
       }
     },
+    "sort-keys-length": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sort-keys-length/-/sort-keys-length-1.0.1.tgz",
+      "integrity": "sha1-nLb09OnkgVWmqgZx7dM2/xR5oYg=",
+      "requires": {
+        "sort-keys": "1.1.2"
+      }
+    },
     "source-map": {
       "version": "0.5.7",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
@@ -10963,6 +11011,22 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "unused-filename": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unused-filename/-/unused-filename-1.0.0.tgz",
+      "integrity": "sha1-00CID3GuIRXrqhMlvvBcxmhEacY=",
+      "requires": {
+        "modify-filename": "1.1.0",
+        "path-exists": "3.0.0"
+      },
+      "dependencies": {
+        "path-exists": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+          "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU="
+        }
+      }
+    },
     "unzip-response": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/unzip-response/-/unzip-response-2.0.1.tgz",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "trilium",
   "description": "Trilium Notes",
-  "version": "0.6.2",
+  "version": "0.9.0-beta",
   "license": "AGPL-3.0-only",
   "main": "electron.js",
   "repository": {
@@ -29,6 +29,7 @@
     "ejs": "~2.5.7",
     "electron": "^1.8.2",
     "electron-debug": "^1.5.0",
+    "electron-dl": "^1.11.0",
     "electron-in-page-search": "^1.2.4",
     "express": "~4.16.2",
     "express-promise-wrap": "^0.2.2",
@@ -45,6 +46,7 @@
     "jimp": "^0.2.28",
     "moment": "^2.20.1",
     "multer": "^1.3.0",
+    "open": "0.0.5",
     "rand-token": "^0.4.0",
     "request": "^2.83.0",
     "request-promise": "^4.2.2",
@@ -55,6 +57,7 @@
     "session-file-store": "^1.1.2",
     "simple-node-logger": "^0.93.30",
     "sqlite": "^2.9.0",
+    "tar-stream": "^1.5.5",
     "unescape": "^1.0.1",
     "ws": "^3.3.2"
   },

src/app.js

@@ -73,7 +73,7 @@ require('./services/backup');
 // trigger consistency checks timer
 require('./services/consistency_checks');
 
-require('./plugins/reddit');
+require('./services/scheduler');
 
 module.exports = {
     app,

src/entities/note.js

@@ -23,10 +23,53 @@ class Note extends Entity {
         return this.type === "code" && this.mime === "application/json";
     }
 
+    isJavaScript() {
+        return (this.type === "code" || this.type === "file")
+            && (this.mime.startsWith("application/javascript") || this.mime === "application/x-javascript");
+    }
+
+    isHtml() {
+        return (this.type === "code" || this.type === "file") && this.mime === "text/html";
+    }
+
+    getScriptEnv() {
+        if (this.isHtml() || (this.isJavaScript() && this.mime.endsWith('env=frontend'))) {
+            return "frontend";
+        }
+
+        if (this.type === 'render') {
+            return "frontend";
+        }
+
+        if (this.isJavaScript() && this.mime.endsWith('env=backend')) {
+            return "backend";
+        }
+
+        return null;
+    }
+
     async getAttributes() {
         return this.repository.getEntities("SELECT * FROM attributes WHERE noteId = ? AND isDeleted = 0", [this.noteId]);
     }
 
+    // WARNING: this doesn't take into account the possibility to have multi-valued attributes!
+    async getAttributeMap() {
+        const map = {};
+
+        for (const attr of await this.getAttributes()) {
+            map[attr.name] = attr.value;
+        }
+
+        return map;
+    }
+
+    async hasAttribute(name) {
+        const map = await this.getAttributeMap();
+
+        return map.hasOwnProperty(name);
+    }
+
+    // WARNING: this doesn't take into account the possibility to have multi-valued attributes!
     async getAttribute(name) {
         return this.repository.getEntity("SELECT * FROM attributes WHERE noteId = ? AND name = ?", [this.noteId, name]);
     }
@@ -39,6 +82,49 @@ class Note extends Entity {
         return this.repository.getEntities("SELECT * FROM note_tree WHERE isDeleted = 0 AND noteId = ?", [this.noteId]);
     }
 
+    async getChild(name) {
+        return this.repository.getEntity(`
+          SELECT notes.* 
+          FROM note_tree 
+            JOIN notes USING(noteId) 
+          WHERE notes.isDeleted = 0
+                AND note_tree.isDeleted = 0
+                AND note_tree.parentNoteId = ?
+                AND notes.title = ?`, [this.noteId, name]);
+    }
+
+    async getChildren() {
+        return this.repository.getEntities(`
+          SELECT notes.* 
+          FROM note_tree 
+            JOIN notes USING(noteId) 
+          WHERE notes.isDeleted = 0
+                AND note_tree.isDeleted = 0
+                AND note_tree.parentNoteId = ?
+          ORDER BY note_tree.notePosition`, [this.noteId]);
+    }
+
+    async getParents() {
+        return this.repository.getEntities(`
+          SELECT parent_notes.* 
+          FROM 
+            note_tree AS child_tree 
+            JOIN notes AS parent_notes ON parent_notes.noteId = child_tree.parentNoteId 
+          WHERE child_tree.noteId = ?
+                AND child_tree.isDeleted = 0
+                AND parent_notes.isDeleted = 0`, [this.noteId]);
+    }
+
+    async getNoteTree() {
+        return this.repository.getEntities(`
+          SELECT note_tree.* 
+          FROM note_tree 
+            JOIN notes USING(noteId) 
+          WHERE notes.isDeleted = 0
+                AND note_tree.isDeleted = 0
+                AND note_tree.noteId = ?`, [this.noteId]);
+    }
+
     beforeSaving() {
         this.content = JSON.stringify(this.jsonContent, null, '\t');
 

src/plugins/reddit.js

@@ -1,144 +0,0 @@
-"use strict";
-
-const sql = require('../services/sql');
-const notes = require('../services/notes');
-const axios = require('axios');
-const log = require('../services/log');
-const utils = require('../services/utils');
-const unescape = require('unescape');
-const attributes = require('../services/attributes');
-const sync_mutex = require('../services/sync_mutex');
-const config = require('../services/config');
-const date_notes = require('../services/date_notes');
-
-// "reddit" date note is subnote of date note which contains all reddit comments from that date
-const REDDIT_DATE_ATTRIBUTE = 'reddit_date_note';
-
-async function createNote(parentNoteId, noteTitle, noteText) {
-    return (await notes.createNewNote(parentNoteId, {
-        title: noteTitle,
-        content: noteText,
-        target: 'into',
-        isProtected: false
-    })).noteId;
-}
-
-function redditId(kind, id) {
-    return kind + "_" + id;
-}
-
-async function getDateNoteIdForReddit(dateTimeStr, rootNoteId) {
-    const dateStr = dateTimeStr.substr(0, 10);
-
-    let redditDateNoteId = await attributes.getNoteIdWithAttribute(REDDIT_DATE_ATTRIBUTE, dateStr);
-
-    if (!redditDateNoteId) {
-        const dateNoteId = await date_notes.getDateNoteId(dateTimeStr, rootNoteId);
-
-        redditDateNoteId = await createNote(dateNoteId, "Reddit");
-
-        await attributes.createAttribute(redditDateNoteId, REDDIT_DATE_ATTRIBUTE, dateStr);
-        await attributes.createAttribute(redditDateNoteId, "hide_in_autocomplete");
-    }
-
-    return redditDateNoteId;
-}
-
-async function importComments(rootNoteId, accountName, afterId = null) {
-    let url = `https://www.reddit.com/user/${accountName}.json`;
-
-    if (afterId) {
-        url += "?after=" + afterId;
-    }
-
-    const response = await axios.get(url);
-    const listing = response.data;
-
-    if (listing.kind !== 'Listing') {
-        log.info(`Reddit: Unknown object kind ${listing.kind}`);
-        return;
-    }
-
-    const children = listing.data.children;
-
-    let importedComments = 0;
-
-    for (const child of children) {
-        const comment = child.data;
-
-        let commentNoteId = await attributes.getNoteIdWithAttribute('reddit_id', redditId(child.kind, comment.id));
-
-        if (commentNoteId) {
-            continue;
-        }
-
-        const dateTimeStr = utils.dateStr(new Date(comment.created_utc * 1000));
-
-        const permaLink = 'https://reddit.com' + comment.permalink;
-
-        const noteText =
-`<p><a href="${permaLink}">${permaLink}</a></p>
-<p>author: <a href="https://reddit.com/u/${comment.author}">${comment.author}</a>, 
-subreddit: <a href="https://reddit.com/r/${comment.subreddit}">${comment.subreddit}</a>, 
-karma: ${comment.score}, created at ${dateTimeStr}</p><p></p>`
-            + unescape(comment.body_html);
-
-        let parentNoteId = await getDateNoteIdForReddit(dateTimeStr, rootNoteId);
-
-        await sql.doInTransaction(async () => {
-            commentNoteId = await createNote(parentNoteId, comment.link_title, noteText);
-
-            log.info("Reddit: Imported comment to note " + commentNoteId);
-            importedComments++;
-
-            await attributes.createAttribute(commentNoteId, "reddit_kind", child.kind);
-            await attributes.createAttribute(commentNoteId, "reddit_id", redditId(child.kind, comment.id));
-            await attributes.createAttribute(commentNoteId, "reddit_created_utc", comment.created_utc);
-        });
-    }
-
-    // if there have been no imported comments on this page, there shouldn't be any to import
-    // on the next page since those are older
-    if (listing.data.after && importedComments > 0) {
-        importedComments += await importComments(rootNoteId, accountName, listing.data.after);
-    }
-
-    return importedComments;
-}
-
-let redditAccounts = [];
-
-async function runImport() {
-    const rootNoteId = await date_notes.getRootNoteId();
-
-    // technically mutex shouldn't be necessary but we want to avoid doing potentially expensive import
-    // concurrently with sync
-    await sync_mutex.doExclusively(async () => {
-        let importedComments = 0;
-
-        for (const account of redditAccounts) {
-            importedComments += await importComments(rootNoteId, account);
-        }
-
-        log.info(`Reddit: Imported ${importedComments} comments.`);
-    });
-}
-
-sql.dbReady.then(async () => {
-    if (!config['Reddit'] || config['Reddit']['enabled'] !== true) {
-        return;
-    }
-
-    const redditAccountsStr = config['Reddit']['accounts'];
-
-    if (!redditAccountsStr) {
-        log.info("Reddit: No reddit accounts defined in option 'reddit_accounts'");
-    }
-
-    redditAccounts = redditAccountsStr.split(",").map(s => s.trim());
-
-    const pollingIntervalInSeconds = config['Reddit']['pollingIntervalInSeconds'] || (4 * 3600);
-
-    setInterval(runImport, pollingIntervalInSeconds * 1000);
-    setTimeout(runImport, 10000); // 10 seconds after startup - intentionally after initial sync
-});

src/public/javascripts/api.js

@@ -1,5 +1,13 @@
-const api = (function() {
-    const pluginButtonsEl = $("#plugin-buttons");
+function ScriptContext(startNote, allNotes) {
+    return {
+        modules: {},
+        notes: toObject(allNotes, note => [note.noteId, note]),
+        apis: toObject(allNotes, note => [note.noteId, ScriptApi(startNote, note)]),
+    };
+}
+
+function ScriptApi(startNote, currentNote) {
+    const $pluginButtons = $("#plugin-buttons");
 
     async function activateNote(notePath) {
         await noteTree.activateNode(notePath);
@@ -10,12 +18,45 @@ const api = (function() {
 
         button.attr('id', buttonId);
 
-        pluginButtonsEl.append(button);
+        $pluginButtons.append(button);
     }
 
+    function prepareParams(params) {
+        if (!params) {
+            return params;
+        }
+
+        return params.map(p => {
+            if (typeof p === "function") {
+                return "!@#Function: " + p.toString();
+            }
+            else {
+                return p;
+            }
+        });
+    }
+
+    async function runOnServer(script, params = []) {
+        if (typeof script === "function") {
+            script = script.toString();
+        }
+
+        const ret = await server.post('script/exec', {
+            script: script,
+            params: prepareParams(params),
+            startNoteId: startNote.noteId,
+            currentNoteId: currentNote.noteId
+        });
+
+        return ret.executionResult;
+    }
 
     return {
+        startNote: startNote,
+        currentNote: currentNote,
         addButtonToToolbar,
-        activateNote
+        activateNote,
+        getInstanceName: noteTree.getInstanceName,
+        runOnServer
     }
-})();
+}

src/public/javascripts/context_menu.js

@@ -1,7 +1,7 @@
 "use strict";
 
 const contextMenu = (function() {
-    const treeEl = $("#tree");
+    const $tree = $("#tree");
 
     let clipboardIds = [];
     let clipboardMode = null;
@@ -85,16 +85,19 @@ const contextMenu = (function() {
             {title: "Paste into <kbd>Ctrl+V</kbd>", cmd: "pasteInto", uiIcon: "ui-icon-clipboard"},
             {title: "Paste after", cmd: "pasteAfter", uiIcon: "ui-icon-clipboard"},
             {title: "----"},
-            {title: "Collapse sub-tree <kbd>Alt+-</kbd>", cmd: "collapse-sub-tree", uiIcon: "ui-icon-minus"},
-            {title: "Force note sync", cmd: "force-note-sync", uiIcon: "ui-icon-refresh"},
-            {title: "Sort alphabetically <kbd>Alt+S</kbd>", cmd: "sort-alphabetically", uiIcon: " ui-icon-arrowthick-2-n-s"}
+            {title: "Export sub-tree", cmd: "exportSubTree", uiIcon: " ui-icon-arrowthick-1-ne"},
+            {title: "Import sub-tree into", cmd: "importSubTree", uiIcon: "ui-icon-arrowthick-1-sw"},
+            {title: "----"},
+            {title: "Collapse sub-tree <kbd>Alt+-</kbd>", cmd: "collapseSubTree", uiIcon: "ui-icon-minus"},
+            {title: "Force note sync", cmd: "forceNoteSync", uiIcon: "ui-icon-refresh"},
+            {title: "Sort alphabetically <kbd>Alt+S</kbd>", cmd: "sortAlphabetically", uiIcon: " ui-icon-arrowthick-2-n-s"}
 
         ],
         beforeOpen: (event, ui) => {
             const node = $.ui.fancytree.getNode(ui.target);
             // Modify menu entries depending on node status
-            treeEl.contextmenu("enableEntry", "pasteAfter", clipboardIds.length > 0);
-            treeEl.contextmenu("enableEntry", "pasteInto", clipboardIds.length > 0);
+            $tree.contextmenu("enableEntry", "pasteAfter", clipboardIds.length > 0);
+            $tree.contextmenu("enableEntry", "pasteInto", clipboardIds.length > 0);
 
             // Activate node on right-click
             node.setActive();
@@ -139,13 +142,19 @@ const contextMenu = (function() {
             else if (ui.cmd === "delete") {
                 treeChanges.deleteNodes(noteTree.getSelectedNodes(true));
             }
-            else if (ui.cmd === "collapse-sub-tree") {
+            else if (ui.cmd === "exportSubTree") {
+                exportSubTree(node.data.noteId);
+            }
+            else if (ui.cmd === "importSubTree") {
+                importSubTree(node.data.noteId);
+            }
+            else if (ui.cmd === "collapseSubTree") {
                 noteTree.collapseTree(node);
             }
-            else if (ui.cmd === "force-note-sync") {
+            else if (ui.cmd === "forceNoteSync") {
                 forceNoteSync(node.data.noteId);
             }
-            else if (ui.cmd === "sort-alphabetically") {
+            else if (ui.cmd === "sortAlphabetically") {
                 noteTree.sortAlphabetically(node.data.noteId);
             }
             else {

src/public/javascripts/dialogs/sql_console.js

@@ -17,27 +17,42 @@ const sqlConsole = (function() {
             width: $(window).width(),
             height: $(window).height(),
             open: function() {
-                CodeMirror.keyMap.default["Shift-Tab"] = "indentLess";
-                CodeMirror.keyMap.default["Tab"] = "indentMore";
-
-                CodeMirror.modeURL = 'libraries/codemirror/mode/%N/%N.js';
-
-                codeEditor = CodeMirror($query[0], {
-                    value: "",
-                    viewportMargin: Infinity,
-                    indentUnit: 4,
-                    highlightSelectionMatches: { showToken: /\w/, annotateScrollbar: false }
-                });
-
-                codeEditor.setOption("mode", "text/x-sqlite");
-                CodeMirror.autoLoadMode(codeEditor, "sql");
-
-                codeEditor.focus();
+                initEditor();
             }
         });
     }
 
-    async function execute() {
+    async function initEditor() {
+        if (!codeEditor) {
+            await requireLibrary(CODE_MIRROR);
+
+            CodeMirror.keyMap.default["Shift-Tab"] = "indentLess";
+            CodeMirror.keyMap.default["Tab"] = "indentMore";
+
+            // removing Escape binding so that Escape will propagate to the dialog (which will close on escape)
+            delete CodeMirror.keyMap.basic["Esc"];
+
+            CodeMirror.modeURL = 'libraries/codemirror/mode/%N/%N.js';
+
+            codeEditor = CodeMirror($query[0], {
+                value: "",
+                viewportMargin: Infinity,
+                indentUnit: 4,
+                highlightSelectionMatches: {showToken: /\w/, annotateScrollbar: false}
+            });
+
+            codeEditor.setOption("mode", "text/x-sqlite");
+            CodeMirror.autoLoadMode(codeEditor, "sql");
+        }
+
+        codeEditor.focus();
+    }
+
+    async function execute(e) {
+        // stop from propagating upwards (dangerous especially with ctrl+enter executable javascript notes)
+        e.preventDefault();
+        e.stopPropagation();
+
         const sqlQuery = codeEditor.getValue();
 
         const result = await server.post("sql/execute", {

src/public/javascripts/export.js

@@ -0,0 +1,32 @@
+"use strict";
+
+function exportSubTree(noteId) {
+    const url = getHost() + "/api/export/" + noteId + "?protectedSessionId="
+        + encodeURIComponent(protected_session.getProtectedSessionId());
+
+    download(url);
+}
+
+let importNoteId;
+
+function importSubTree(noteId) {
+    importNoteId = noteId;
+
+    $("#import-upload").trigger('click');
+}
+
+$("#import-upload").change(async function() {
+    const formData = new FormData();
+    formData.append('upload', this.files[0]);
+
+    await $.ajax({
+        url: baseApiUrl + 'import/' + importNoteId,
+        headers: server.getHeaders(),
+        data: formData,
+        type: 'POST',
+        contentType: false, // NEEDED, DON'T OMIT THIS
+        processData: false, // NEEDED, DON'T OMIT THIS
+    });
+
+    await noteTree.reload();
+});

src/public/javascripts/init.js

@@ -114,22 +114,32 @@ $.ui.autocomplete.filter = (array, terms) => {
     const tokens = terms.toLowerCase().split(" ");
 
     for (const item of array) {
-        let found = true;
         const lcLabel = item.label.toLowerCase();
 
-        for (const token of tokens) {
-            if (lcLabel.indexOf(token) === -1) {
-                found = false;
-                break;
+        const found = tokens.every(token => lcLabel.indexOf(token) !== -1);
+        if (!found) {
+            continue;
+        }
+
+        // this is not completely correct and might cause minor problems with note with names containing this " / "
+        const lastSegmentIndex = lcLabel.lastIndexOf(" / ");
+
+        if (lastSegmentIndex !== -1) {
+            const lastSegment = lcLabel.substr(lastSegmentIndex + 3);
+
+            // at least some token needs to be in the last segment (leaf note), otherwise this
+            // particular note is not that interesting (query is satisfied by parent note)
+            const foundInLastSegment = tokens.some(token => lastSegment.indexOf(token) !== -1);
+
+            if (!foundInLastSegment) {
+                continue;
             }
         }
 
-        if (found) {
-            results.push(item);
+        results.push(item);
 
-            if (results.length > 100) {
-                break;
-            }
+        if (results.length > 100) {
+            break;
         }
     }
 
@@ -191,9 +201,9 @@ window.onerror = function (msg, url, lineNo, columnNo, error) {
 $("#logout-button").toggle(!isElectron());
 
 $(document).ready(() => {
-    server.get("script/startup").then(scripts => {
-        for (const script of scripts) {
-            executeScript(script);
+    server.get("script/startup").then(scriptBundles => {
+        for (const bundle of scriptBundles) {
+            executeBundle(bundle);
         }
     });
 });
@@ -213,4 +223,26 @@ if (isElectron()) {
             noteTree.createNote(node, node.data.noteId, 'into', node.data.isProtected);
         }, 500);
     });
-}
+}
+
+function uploadAttachment() {
+    $("#attachment-upload").trigger('click');
+}
+
+$("#attachment-upload").change(async function() {
+    const formData = new FormData();
+    formData.append('upload', this.files[0]);
+
+    const resp = await $.ajax({
+        url: baseApiUrl + 'attachments/upload/' + noteEditor.getCurrentNoteId(),
+        headers: server.getHeaders(),
+        data: formData,
+        type: 'POST',
+        contentType: false, // NEEDED, DON'T OMIT THIS
+        processData: false, // NEEDED, DON'T OMIT THIS
+    });
+
+    await noteTree.reload();
+
+    await noteTree.activateNode(resp.noteId);
+});

src/public/javascripts/link.js

@@ -41,11 +41,11 @@ const link = (function() {
     function goToLink(e) {
         e.preventDefault();
 
-        const linkEl = $(e.target);
-        let notePath = linkEl.attr("note-path");
+        const $link = $(e.target);
+        let notePath = $link.attr("note-path");
 
         if (!notePath) {
-            const address = linkEl.attr("note-path") ? linkEl.attr("note-path") : linkEl.attr('href');
+            const address = $link.attr("note-path") ? $link.attr("note-path") : $link.attr('href');
 
             if (!address) {
                 return;

src/public/javascripts/messaging.js

@@ -1,7 +1,7 @@
 "use strict";
 
 const messaging = (function() {
-    const changesToPushCountEl = $("#changes-to-push-count");
+    const $changesToPushCount = $("#changes-to-push-count");
 
     function logError(message) {
         console.log(now(), message); // needs to be separate from .trace()
@@ -52,7 +52,7 @@ const messaging = (function() {
             // we don't detect image changes here since images themselves are immutable and references should be
             // updated in note detail as well
 
-            changesToPushCountEl.html(message.changesToPushCount);
+            $changesToPushCount.html(message.changesToPushCount);
         }
         else if (message.type === 'sync-hash-check-failed') {
             showError("Sync check failed!", 60000);
@@ -84,7 +84,7 @@ const messaging = (function() {
     let connectionBrokenNotification = null;
 
     setInterval(async () => {
-        if (new Date().getTime() - lastPingTs > 5000) {
+        if (new Date().getTime() - lastPingTs > 30000) {
             if (!connectionBrokenNotification) {
                 connectionBrokenNotification = $.notify({
                     // options

src/public/javascripts/note_editor.js

@@ -1,16 +1,24 @@
 "use strict";
 
 const noteEditor = (function() {
-    const noteTitleEl = $("#note-title");
-    const noteDetailEl = $('#note-detail');
-    const noteDetailCodeEl = $('#note-detail-code');
-    const noteDetailRenderEl = $('#note-detail-render');
-    const protectButton = $("#protect-button");
-    const unprotectButton = $("#unprotect-button");
-    const noteDetailWrapperEl = $("#note-detail-wrapper");
-    const noteIdDisplayEl = $("#note-id-display");
-    const attributeListEl = $("#attribute-list");
-    const attributeListInnerEl = $("#attribute-list-inner");
+    const $noteTitle = $("#note-title");
+
+    const $noteDetail = $('#note-detail');
+    const $noteDetailCode = $('#note-detail-code');
+    const $noteDetailRender = $('#note-detail-render');
+    const $noteDetailAttachment = $('#note-detail-attachment');
+
+    const $protectButton = $("#protect-button");
+    const $unprotectButton = $("#unprotect-button");
+    const $noteDetailWrapper = $("#note-detail-wrapper");
+    const $noteIdDisplay = $("#note-id-display");
+    const $attributeList = $("#attribute-list");
+    const $attributeListInner = $("#attribute-list-inner");
+    const $attachmentFileName = $("#attachment-filename");
+    const $attachmentFileType = $("#attachment-filetype");
+    const $attachmentFileSize = $("#attachment-filesize");
+    const $attachmentDownload = $("#attachment-download");
+    const $attachmentOpen = $("#attachment-open");
 
     let editor = null;
     let codeEditor = null;
@@ -69,25 +77,27 @@ const noteEditor = (function() {
 
     function updateNoteFromInputs(note) {
         if (note.detail.type === 'text') {
-            note.detail.content = editor.getData();
+            let content = editor.getData();
 
             // if content is only tags/whitespace (typically <p>&nbsp;</p>), then just make it empty
             // this is important when setting new note to code
-            if (jQuery(note.detail.content).text().trim() === '') {
-                note.detail.content = ''
+            if (jQuery(content).text().trim() === '' && !content.includes("<img")) {
+                content = '';
             }
+
+            note.detail.content = content;
         }
         else if (note.detail.type === 'code') {
             note.detail.content = codeEditor.getValue();
         }
-        else if (note.detail.type === 'render') {
+        else if (note.detail.type === 'render' || note.detail.type === 'file') {
             // nothing
         }
         else {
             throwError("Unrecognized type: " + note.detail.type);
         }
 
-        const title = noteTitleEl.val();
+        const title = $noteTitle.val();
 
         note.detail.title = title;
 
@@ -105,9 +115,9 @@ const noteEditor = (function() {
     function setNoteBackgroundIfProtected(note) {
         const isProtected = !!note.detail.isProtected;
 
-        noteDetailWrapperEl.toggleClass("protected", isProtected);
-        protectButton.toggle(!isProtected);
-        unprotectButton.toggle(isProtected);
+        $noteDetailWrapper.toggleClass("protected", isProtected);
+        $protectButton.toggle(!isProtected);
+        $unprotectButton.toggle(isProtected);
     }
 
     let isNewNoteCreated = false;
@@ -116,19 +126,46 @@ const noteEditor = (function() {
         isNewNoteCreated = true;
     }
 
-    function setContent(content) {
+    async function setContent(content) {
         if (currentNote.detail.type === 'text') {
+            if (!editor) {
+                await requireLibrary(CKEDITOR);
+
+                editor = await BalloonEditor.create($noteDetail[0], {});
+
+                editor.document.on('change', noteChanged);
+            }
+
             // temporary workaround for https://github.com/ckeditor/ckeditor5-enter/issues/49
             editor.setData(content ? content : "<p></p>");
 
-            noteDetailEl.show();
-            noteDetailCodeEl.hide();
-            noteDetailRenderEl.html('').hide();
+            $noteDetail.show();
         }
         else if (currentNote.detail.type === 'code') {
-            noteDetailEl.hide();
-            noteDetailCodeEl.show();
-            noteDetailRenderEl.html('').hide();
+            if (!codeEditor) {
+                await requireLibrary(CODE_MIRROR);
+
+                CodeMirror.keyMap.default["Shift-Tab"] = "indentLess";
+                CodeMirror.keyMap.default["Tab"] = "indentMore";
+
+                CodeMirror.modeURL = 'libraries/codemirror/mode/%N/%N.js';
+
+                codeEditor = CodeMirror($("#note-detail-code")[0], {
+                    value: "",
+                    viewportMargin: Infinity,
+                    indentUnit: 4,
+                    matchBrackets: true,
+                    matchTags: { bothTags: true },
+                    highlightSelectionMatches: { showToken: /\w/, annotateScrollbar: false },
+                    lint: true,
+                    gutters: ["CodeMirror-lint-markers"],
+                    lineNumbers: true
+                });
+
+                codeEditor.on('change', noteChanged);
+            }
+
+            $noteDetailCode.show();
 
             // this needs to happen after the element is shown, otherwise the editor won't be refresheds
             codeEditor.setValue(content);
@@ -139,6 +176,8 @@ const noteEditor = (function() {
                 codeEditor.setOption("mode", info.mime);
                 CodeMirror.autoLoadMode(codeEditor, info.mode);
             }
+
+            codeEditor.refresh();
         }
     }
 
@@ -148,10 +187,10 @@ const noteEditor = (function() {
         if (isNewNoteCreated) {
             isNewNoteCreated = false;
 
-            noteTitleEl.focus().select();
+            $noteTitle.focus().select();
         }
 
-        noteIdDisplayEl.html(noteId);
+        $noteIdDisplay.html(noteId);
 
         await protected_session.ensureProtectedSession(currentNote.detail.isProtected, false);
 
@@ -163,26 +202,38 @@ const noteEditor = (function() {
         // to login, but we chose instead to come to another node - at that point the dialog is still visible and this will close it.
         protected_session.ensureDialogIsClosed();
 
-        noteDetailWrapperEl.show();
+        $noteDetailWrapper.show();
 
         noteChangeDisabled = true;
 
-        noteTitleEl.val(currentNote.detail.title);
+        $noteTitle.val(currentNote.detail.title);
 
         noteType.setNoteType(currentNote.detail.type);
         noteType.setNoteMime(currentNote.detail.mime);
 
+        $noteDetail.hide();
+        $noteDetailCode.hide();
+        $noteDetailRender.html('').hide();
+        $noteDetailAttachment.hide();
+
         if (currentNote.detail.type === 'render') {
-            noteDetailEl.hide();
-            noteDetailCodeEl.hide();
-            noteDetailRenderEl.html('').show();
+            $noteDetailRender.show();
 
-            const subTree = await server.get('script/subtree/' + getCurrentNoteId());
+            const bundle = await server.get('script/bundle/' + getCurrentNoteId());
 
-            noteDetailRenderEl.html(subTree);
+            $noteDetailRender.html(bundle.html);
+
+            executeBundle(bundle);
+        }
+        else if (currentNote.detail.type === 'file') {
+            $noteDetailAttachment.show();
+
+            $attachmentFileName.text(currentNote.attributes.original_file_name);
+            $attachmentFileSize.text(currentNote.attributes.file_size + " bytes");
+            $attachmentFileType.text(currentNote.detail.mime);
         }
         else {
-            setContent(currentNote.detail.content);
+            await setContent(currentNote.detail.content);
         }
 
         noteChangeDisabled = false;
@@ -191,7 +242,7 @@ const noteEditor = (function() {
         noteTree.setNoteTreeBackgroundBasedOnProtectedStatus(noteId);
 
         // after loading new note make sure editor is scrolled to the top
-        noteDetailWrapperEl.scrollTop(0);
+        $noteDetailWrapper.scrollTop(0);
 
         loadAttributeList();
     }
@@ -201,17 +252,17 @@ const noteEditor = (function() {
 
         const attributes = await server.get('notes/' + noteId + '/attributes');
 
-        attributeListInnerEl.html('');
+        $attributeListInner.html('');
 
         if (attributes.length > 0) {
             for (const attr of attributes) {
-                attributeListInnerEl.append(formatAttribute(attr) + " ");
+                $attributeListInner.append(formatAttribute(attr) + " ");
             }
 
-            attributeListEl.show();
+            $attributeList.show();
         }
         else {
-            attributeListEl.hide();
+            $attributeList.hide();
         }
     }
 
@@ -227,12 +278,12 @@ const noteEditor = (function() {
         const note = getCurrentNote();
 
         if (note.detail.type === 'text') {
-            noteDetailEl.focus();
+            $noteDetail.focus();
         }
         else if (note.detail.type === 'code') {
             codeEditor.focus();
         }
-        else if (note.detail.type === 'render') {
+        else if (note.detail.type === 'render' || note.detail.type === 'file') {
             // do nothing
         }
         else {
@@ -251,51 +302,50 @@ const noteEditor = (function() {
             // make sure note is saved so we load latest changes
             await saveNoteIfChanged();
 
-            const script = await server.get('script/subtree/' + getCurrentNoteId());
+            if (currentNote.detail.mime.endsWith("env=frontend")) {
+                const bundle = await server.get('script/bundle/' + getCurrentNoteId());
 
-            executeScript(script);
+                executeBundle(bundle);
+            }
+
+            if (currentNote.detail.mime.endsWith("env=backend")) {
+                await server.post('script/run/' + getCurrentNoteId());
+            }
+
+            showMessage("Note executed");
         }
     }
 
+    $attachmentDownload.click(() => download(getAttachmentUrl()));
+
+    $attachmentOpen.click(() => {
+        if (isElectron()) {
+            const open = require("open");
+
+            open(getAttachmentUrl());
+        }
+        else {
+            window.location.href = getAttachmentUrl();
+        }
+    });
+
+    function getAttachmentUrl() {
+        // electron needs absolute URL so we extract current host, port, protocol
+        return getHost() + "/api/attachments/download/" + getCurrentNoteId()
+            + "?protectedSessionId=" + encodeURIComponent(protected_session.getProtectedSessionId());
+    }
+
     $(document).ready(() => {
-        noteTitleEl.on('input', () => {
+        $noteTitle.on('input', () => {
             noteChanged();
 
-            const title = noteTitleEl.val();
+            const title = $noteTitle.val();
 
             noteTree.setNoteTitle(getCurrentNoteId(), title);
         });
 
-        BalloonEditor
-            .create(document.querySelector('#note-detail'), {
-            })
-            .then(edit => {
-                editor = edit;
-
-                editor.document.on('change', noteChanged);
-            })
-            .catch(error => {
-                console.error(error);
-            });
-
-        CodeMirror.keyMap.default["Shift-Tab"] = "indentLess";
-        CodeMirror.keyMap.default["Tab"] = "indentMore";
-
-        CodeMirror.modeURL = 'libraries/codemirror/mode/%N/%N.js';
-
-        codeEditor = CodeMirror($("#note-detail-code")[0], {
-            value: "",
-            viewportMargin: Infinity,
-            indentUnit: 4,
-            matchBrackets: true,
-            matchTags: { bothTags: true },
-            highlightSelectionMatches: { showToken: /\w/, annotateScrollbar: false }
-        });
-
-        codeEditor.on('change', noteChanged);
-
         // so that tab jumps from note title (which has tabindex 1)
-        noteDetailEl.attr("tabindex", 2);
+        $noteDetail.attr("tabindex", 2);
     });
 
     $(document).bind('keydown', "ctrl+return", executeCurrentNote);

src/public/javascripts/note_tree.js

@@ -1,9 +1,11 @@
 "use strict";
 
 const noteTree = (function() {
-    const treeEl = $("#tree");
-    const parentListEl = $("#parent-list");
-    const parentListListEl = $("#parent-list-inner");
+    const $tree = $("#tree");
+    const $parentList = $("#parent-list");
+    const $parentListList = $("#parent-list-inner");
+
+    let instanceName = null; // should have better place
 
     let startNotePath = null;
     let notesTreeMap = {};
@@ -52,7 +54,7 @@ const noteTree = (function() {
 
     // note that if you want to access data like noteId or isProtected, you need to go into "data" property
     function getCurrentNode() {
-        return treeEl.fancytree("getActiveNode");
+        return $tree.fancytree("getActiveNode");
     }
 
     function getCurrentNotePath() {
@@ -155,6 +157,12 @@ const noteTree = (function() {
         if (note.type === 'code') {
             extraClasses.push("code");
         }
+        else if (note.type === 'render') {
+            extraClasses.push('render');
+        }
+        else if (note.type === 'file') {
+            extraClasses.push('attachment');
+        }
 
         return extraClasses.join(" ");
     }
@@ -314,11 +322,11 @@ const noteTree = (function() {
         }
 
         if (parents.length <= 1) {
-            parentListEl.hide();
+            $parentList.hide();
         }
         else {
-            parentListEl.show();
-            parentListListEl.empty();
+            $parentList.show();
+            $parentListList.empty();
 
             for (const parentNoteId of parents) {
                 const parentNotePath = getSomeNotePath(parentNoteId);
@@ -335,7 +343,7 @@ const noteTree = (function() {
                     item = link.createNoteLink(notePath, title);
                 }
 
-                parentListListEl.append($("<li/>").append(item));
+                $parentListList.append($("<li/>").append(item));
             }
         }
     }
@@ -543,7 +551,7 @@ const noteTree = (function() {
             }
         };
 
-        treeEl.fancytree({
+        $tree.fancytree({
             autoScroll: true,
             keyboard: false, // we takover keyboard handling in the hotkeys plugin
             extensions: ["hotkeys", "filter", "dnd", "clones"],
@@ -624,11 +632,11 @@ const noteTree = (function() {
             }
         });
 
-        treeEl.contextmenu(contextMenu.contextMenuSettings);
+        $tree.contextmenu(contextMenu.contextMenuSettings);
     }
 
     function getTree() {
-        return treeEl.fancytree('getTree');
+        return $tree.fancytree('getTree');
     }
 
     async function reload() {
@@ -645,6 +653,7 @@ const noteTree = (function() {
     async function loadTree() {
         const resp = await server.get('tree');
         startNotePath = resp.start_note_path;
+        instanceName = resp.instanceName;
 
         if (document.location.hash) {
             startNotePath = getNotePathFromAddress();
@@ -663,7 +672,7 @@ const noteTree = (function() {
 
     function collapseTree(node = null) {
         if (!node) {
-            node = treeEl.fancytree("getRootNode");
+            node = $tree.fancytree("getRootNode");
         }
 
         node.setExpanded(false);
@@ -710,6 +719,9 @@ const noteTree = (function() {
             titlePath = '';
         }
 
+        // https://github.com/zadam/trilium/issues/46
+        // unfortunately not easy to implement because we don't have an easy access to note's isProtected property
+
         const autocompleteItems = [];
 
         for (const childNoteId of parentToChildren[parentNoteId]) {
@@ -744,7 +756,7 @@ const noteTree = (function() {
     }
 
     async function createNewTopLevelNote() {
-        const rootNode = treeEl.fancytree("getRootNode");
+        const rootNode = $tree.fancytree("getRootNode");
 
         await createNote(rootNode, "root", "into");
     }
@@ -820,6 +832,10 @@ const noteTree = (function() {
         return !!childToParents[noteId];
     }
 
+    function getInstanceName() {
+        return instanceName;
+    }
+
     $(document).bind('keydown', 'ctrl+o', e => {
         const node = getCurrentNode();
         const parentNoteId = node.data.parentNoteId;
@@ -894,6 +910,7 @@ const noteTree = (function() {
         setParentChildRelation,
         getSelectedNodes,
         sortAlphabetically,
-        noteExists
+        noteExists,
+        getInstanceName
     };
 })();

src/public/javascripts/note_type.js

@@ -1,7 +1,7 @@
 "use strict";
 
 const noteType = (function() {
-    const executeScriptButton = $("#execute-script-button");
+    const $executeScriptButton = $("#execute-script-button");
     const noteTypeModel = new NoteTypeModel();
 
     function NoteTypeModel() {
@@ -25,7 +25,8 @@ const noteType = (function() {
             { mime: 'text/html', title: 'HTML' },
             { mime: 'message/http', title: 'HTTP' },
             { mime: 'text/x-java', title: 'Java' },
-            { mime: 'application/javascript', title: 'JavaScript' },
+            { mime: 'application/javascript;env=frontend', title: 'JavaScript frontend' },
+            { mime: 'application/javascript;env=backend', title: 'JavaScript backend' },
             { mime: 'application/json', title: 'JSON' },
             { mime: 'text/x-kotlin', title: 'Kotlin' },
             { mime: 'text/x-lua', title: 'Lua' },
@@ -65,11 +66,18 @@ const noteType = (function() {
             else if (type === 'render') {
                 return 'Render HTML note';
             }
+            else if (type === 'file') {
+                return 'Attachment';
+            }
             else {
                 throwError('Unrecognized type: ' + type);
             }
         };
 
+        this.isDisabled = function() {
+            return self.type() === "file";
+        };
+
         async function save() {
             const note = noteEditor.getCurrentNote();
 
@@ -114,7 +122,7 @@ const noteType = (function() {
         };
 
         this.updateExecuteScriptButtonVisibility = function() {
-            executeScriptButton.toggle(self.mime() === 'application/javascript');
+            $executeScriptButton.toggle(self.mime().startsWith('application/javascript'));
         }
     }
 

src/public/javascripts/protected_session.js

@@ -1,10 +1,10 @@
 "use strict";
 
 const protected_session = (function() {
-    const dialogEl = $("#protected-session-password-dialog");
-    const passwordFormEl = $("#protected-session-password-form");
-    const passwordEl = $("#protected-session-password");
-    const noteDetailWrapperEl = $("#note-detail-wrapper");
+    const $dialog = $("#protected-session-password-dialog");
+    const $passwordForm = $("#protected-session-password-form");
+    const $password = $("#protected-session-password");
+    const $noteDetailWrapper = $("#note-detail-wrapper");
 
     let protectedSessionDeferred = null;
     let lastProtectedSessionOperationDate = null;
@@ -25,9 +25,11 @@ const protected_session = (function() {
         if (requireProtectedSession && !isProtectedSessionAvailable()) {
             protectedSessionDeferred = dfd;
 
-            noteDetailWrapperEl.hide();
+            if (noteTree.getCurrentNode().data.isProtected) {
+                $noteDetailWrapper.hide();
+            }
 
-            dialogEl.dialog({
+            $dialog.dialog({
                 modal: modal,
                 width: 400,
                 open: () => {
@@ -46,8 +48,8 @@ const protected_session = (function() {
     }
 
     async function setupProtectedSession() {
-        const password = passwordEl.val();
-        passwordEl.val("");
+        const password = $password.val();
+        $password.val("");
 
         const response = await enterProtectedSession(password);
 
@@ -58,15 +60,15 @@ const protected_session = (function() {
 
         protectedSessionId = response.protectedSessionId;
 
-        dialogEl.dialog("close");
+        $dialog.dialog("close");
 
         noteEditor.reload();
         noteTree.reload();
 
         if (protectedSessionDeferred !== null) {
-            ensureDialogIsClosed(dialogEl, passwordEl);
+            ensureDialogIsClosed($dialog, $password);
 
-            noteDetailWrapperEl.show();
+            $noteDetailWrapper.show();
 
             protectedSessionDeferred.resolve();
 
@@ -77,11 +79,11 @@ const protected_session = (function() {
     function ensureDialogIsClosed() {
         // this may fal if the dialog has not been previously opened
         try {
-            dialogEl.dialog('close');
+            $dialog.dialog('close');
         }
         catch (e) {}
 
-        passwordEl.val('');
+        $password.val('');
     }
 
     async function enterProtectedSession(password) {
@@ -155,7 +157,7 @@ const protected_session = (function() {
         noteEditor.reload();
     }
 
-    passwordFormEl.submit(() => {
+    $passwordForm.submit(() => {
         setupProtectedSession();
 
         return false;

src/public/javascripts/search_tree.js

@@ -1,40 +1,40 @@
 "use strict";
 
 const searchTree = (function() {
-    const treeEl = $("#tree");
-    const searchInputEl = $("input[name='search-text']");
-    const resetSearchButton = $("button#reset-search-button");
-    const searchBoxEl = $("#search-box");
+    const $tree = $("#tree");
+    const $searchInput = $("input[name='search-text']");
+    const $resetSearchButton = $("button#reset-search-button");
+    const $searchBox = $("#search-box");
 
-    resetSearchButton.click(resetSearch);
+    $resetSearchButton.click(resetSearch);
 
     function toggleSearch() {
-        if (searchBoxEl.is(":hidden")) {
-            searchBoxEl.show();
-            searchInputEl.focus();
+        if ($searchBox.is(":hidden")) {
+            $searchBox.show();
+            $searchInput.focus();
         }
         else {
             resetSearch();
 
-            searchBoxEl.hide();
+            $searchBox.hide();
         }
     }
 
     function resetSearch() {
-        searchInputEl.val("");
+        $searchInput.val("");
 
         getTree().clearFilter();
     }
 
     function getTree() {
-        return treeEl.fancytree('getTree');
+        return $tree.fancytree('getTree');
     }
 
-    searchInputEl.keyup(async e => {
-        const searchText = searchInputEl.val();
+    $searchInput.keyup(async e => {
+        const searchText = $searchInput.val();
 
         if (e && e.which === $.ui.keyCode.ESCAPE || $.trim(searchText) === "") {
-            resetSearchButton.click();
+            $resetSearchButton.click();
             return;
         }
 

src/public/javascripts/server.js

@@ -31,16 +31,6 @@ const server = (function() {
         return await call('DELETE', url);
     }
 
-    async function exec(params, script) {
-        if (typeof script === "function") {
-            script = script.toString();
-        }
-
-        const ret = await post('script/exec', { script: script, params: params });
-
-        return ret.executionResult;
-    }
-
     let i = 1;
     const reqResolves = {};
 
@@ -104,7 +94,7 @@ const server = (function() {
         post,
         put,
         remove,
-        exec,
+        ajax,
         // don't remove, used from CKEditor image upload!
         getHeaders
     }

src/public/javascripts/tree_utils.js

@@ -1,14 +1,14 @@
 "use strict";
 
 const treeUtils = (function() {
-    const treeEl = $("#tree");
+    const $tree = $("#tree");
 
     function getParentProtectedStatus(node) {
         return isTopLevelNode(node) ? 0 : node.getParent().data.isProtected;
     }
 
     function getNodeByKey(key) {
-        return treeEl.fancytree('getNodeByKey', key);
+        return $tree.fancytree('getNodeByKey', key);
     }
 
     function getNoteIdFromNotePath(notePath) {

src/public/javascripts/utils.js

@@ -115,9 +115,10 @@ async function stopWatch(what, func) {
     return ret;
 }
 
-function executeScript(script) {
-    // last \r\n is necessary if script contains line comment on its last line
-    eval("(async function() {" + script + "\r\n})()");
+async function executeBundle(bundle) {
+    const apiContext = ScriptContext(bundle.note, bundle.allNotes);
+
+    return await (function() { return eval(`const apiContext = this; (async function() { ${bundle.script}\r\n})()`); }.call(apiContext));
 }
 
 function formatValueWithWhitespace(val) {
@@ -132,4 +133,90 @@ function formatAttribute(attr) {
     }
 
     return str;
+}
+
+const CKEDITOR = { "js": ["libraries/ckeditor/ckeditor.js"] };
+
+const CODE_MIRROR = {
+    js: [
+        "libraries/codemirror/codemirror.js",
+        "libraries/codemirror/addon/mode/loadmode.js",
+        "libraries/codemirror/addon/fold/xml-fold.js",
+        "libraries/codemirror/addon/edit/matchbrackets.js",
+        "libraries/codemirror/addon/edit/matchtags.js",
+        "libraries/codemirror/addon/search/match-highlighter.js",
+        "libraries/codemirror/mode/meta.js",
+        "libraries/codemirror/addon/lint/lint.js",
+        "libraries/codemirror/addon/lint/eslint.js"
+    ],
+    css: [
+        "libraries/codemirror/codemirror.css",
+        "libraries/codemirror/addon/lint/lint.css"
+    ]
+};
+
+const ESLINT = { js: [ "libraries/eslint.js" ] };
+
+async function requireLibrary(library) {
+    if (library.css) {
+        library.css.map(cssUrl => requireCss(cssUrl));
+    }
+
+    if (library.js) {
+        for (const scriptUrl of library.js) {
+            await requireScript(scriptUrl);
+        }
+    }
+}
+
+const dynamicallyLoadedScripts = [];
+
+async function requireScript(url) {
+    if (!dynamicallyLoadedScripts.includes(url)) {
+        dynamicallyLoadedScripts.push(url);
+
+        return await $.ajax({
+            url: url,
+            dataType: "script",
+            cache: true
+        })
+    }
+}
+
+async function requireCss(url) {
+    const css = Array
+        .from(document.querySelectorAll('link'))
+        .map(scr => scr.href);
+
+    if (!css.includes(url)) {
+        $('head').append($('<link rel="stylesheet" type="text/css" />').attr('href', url));
+    }
+}
+
+function getHost() {
+    const url = new URL(window.location.href);
+    return url.protocol + "//" + url.hostname + ":" + url.port;
+}
+
+function download(url) {
+    if (isElectron()) {
+        const remote = require('electron').remote;
+
+        remote.getCurrentWebContents().downloadURL(url);
+    }
+    else {
+        window.location.href = url;
+    }
+}
+
+function toObject(array, fn) {
+    const obj = {};
+
+    for (const item of array) {
+        const ret = fn(item);
+
+        obj[ret[0]] = ret[1];
+    }
+
+    return obj;
 }

src/public/libraries/codemirror/addon/edit/matchbrackets.js

@@ -102,18 +102,23 @@
     }
   }
 
-  var currentlyHighlighted = null;
   function doMatchBrackets(cm) {
     cm.operation(function() {
-      if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
-      currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
+      if (cm.state.matchBrackets.currentlyHighlighted) {
+        cm.state.matchBrackets.currentlyHighlighted();
+        cm.state.matchBrackets.currentlyHighlighted = null;
+      }
+      cm.state.matchBrackets.currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
     });
   }
 
   CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) {
     if (old && old != CodeMirror.Init) {
       cm.off("cursorActivity", doMatchBrackets);
-      if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
+      if (cm.state.matchBrackets && cm.state.matchBrackets.currentlyHighlighted) {
+        cm.state.matchBrackets.currentlyHighlighted();
+        cm.state.matchBrackets.currentlyHighlighted = null;
+      }
     }
     if (val) {
       cm.state.matchBrackets = typeof val == "object" ? val : {};

src/public/libraries/codemirror/addon/fold/xml-fold.js

@@ -138,7 +138,7 @@
     var iter = new Iter(cm, start.line, 0);
     for (;;) {
       var openTag = toNextTag(iter), end;
-      if (!openTag || iter.line != start.line || !(end = toTagEnd(iter))) return;
+      if (!openTag || !(end = toTagEnd(iter)) || iter.line != start.line) return;
       if (!openTag[1] && end != "selfClose") {
         var startPos = Pos(iter.line, iter.ch);
         var endPos = findMatchingClose(iter, openTag[2]);

src/public/libraries/codemirror/addon/lint/eslint.js

@@ -0,0 +1,92 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+    "use strict";
+
+    async function validatorHtml(text, options) {
+        const result = /<script[^>]*>([\s\S]+)<\/script>/ig.exec(text);
+
+        if (result !== null) {
+            // preceding code is copied over but any (non-newline) character is replaced with space
+            // this will preserve line numbers etc.
+            const prefix = text.substr(0, result.index).replace(/./g, " ");
+
+            const js = prefix + result[1];
+
+            return await validatorJavaScript(js, options);
+        }
+
+        return [];
+    }
+
+    async function validatorJavaScript(text, options) {
+        if (noteEditor.getCurrentNote().detail.mime === 'application/json') {
+            // eslint doesn't seem to validate pure JSON well
+            return [];
+        }
+
+        await requireLibrary(ESLINT);
+
+        if (text.length > 20000) {
+            console.log("Skipping linting because of large size: ", text.length);
+
+            return [];
+        }
+
+        const errors = new eslint().verify(text, {
+            root: true,
+            parserOptions: {
+                ecmaVersion: 2017
+            },
+            extends: ['eslint:recommended', 'airbnb-base'],
+            env: {
+                'node': true
+            },
+            rules: {
+                'import/no-unresolved': 'off',
+                'func-names': 'off',
+                'comma-dangle': ['warn'],
+                'padded-blocks': 'off',
+                'linebreak-style': 'off',
+                'class-methods-use-this': 'off',
+                'no-unused-vars': ['warn', { vars: 'local', args: 'after-used' }],
+                'no-nested-ternary': 'off',
+                'no-underscore-dangle': ['error', {'allow': ['_super', '_lookupFactory']}]
+            }
+        });
+
+        const result = [];
+        if (errors) {
+            parseErrors(errors, result);
+        }
+
+        return result;
+    }
+
+    CodeMirror.registerHelper("lint", "javascript", validatorJavaScript);
+    CodeMirror.registerHelper("lint", "html", validatorHtml);
+
+    function parseErrors(errors, output) {
+        for (const error of errors) {
+            const startLine = error.line - 1;
+            const endLine = error.endLine !== undefined ? error.endLine - 1 : startLine;
+            const startCol = error.column - 1;
+            const endCol = error.endColumn !== undefined ? error.endColumn - 1 : startCol + 1;
+
+            output.push({
+                message: error.message,
+                severity: error.severity === 1 ? "warning" : "error",
+                from: CodeMirror.Pos(startLine, startCol),
+                to: CodeMirror.Pos(endLine, endCol)
+            });
+        }
+    }
+});

src/public/libraries/codemirror/addon/lint/lint.css

@@ -0,0 +1,73 @@
+/* The lint marker gutter */
+.CodeMirror-lint-markers {
+  width: 16px;
+}
+
+.CodeMirror-lint-tooltip {
+  background-color: #ffd;
+  border: 1px solid black;
+  border-radius: 4px 4px 4px 4px;
+  color: black;
+  font-family: monospace;
+  font-size: 10pt;
+  overflow: hidden;
+  padding: 2px 5px;
+  position: fixed;
+  white-space: pre;
+  white-space: pre-wrap;
+  z-index: 100;
+  max-width: 600px;
+  opacity: 0;
+  transition: opacity .4s;
+  -moz-transition: opacity .4s;
+  -webkit-transition: opacity .4s;
+  -o-transition: opacity .4s;
+  -ms-transition: opacity .4s;
+}
+
+.CodeMirror-lint-mark-error, .CodeMirror-lint-mark-warning {
+  background-position: left bottom;
+  background-repeat: repeat-x;
+}
+
+.CodeMirror-lint-mark-error {
+  background-image:
+  url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJDw4cOCW1/KIAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAHElEQVQI12NggIL/DAz/GdA5/xkY/qPKMDAwAADLZwf5rvm+LQAAAABJRU5ErkJggg==")
+  ;
+}
+
+.CodeMirror-lint-mark-warning {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJFhQXEbhTg7YAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAMklEQVQI12NkgIIvJ3QXMjAwdDN+OaEbysDA4MPAwNDNwMCwiOHLCd1zX07o6kBVGQEAKBANtobskNMAAAAASUVORK5CYII=");
+}
+
+.CodeMirror-lint-marker-error, .CodeMirror-lint-marker-warning {
+  background-position: center center;
+  background-repeat: no-repeat;
+  cursor: pointer;
+  display: inline-block;
+  height: 16px;
+  width: 16px;
+  vertical-align: middle;
+  position: relative;
+}
+
+.CodeMirror-lint-message-error, .CodeMirror-lint-message-warning {
+  padding-left: 18px;
+  background-position: top left;
+  background-repeat: no-repeat;
+}
+
+.CodeMirror-lint-marker-error, .CodeMirror-lint-message-error {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAHlBMVEW7AAC7AACxAAC7AAC7AAAAAAC4AAC5AAD///+7AAAUdclpAAAABnRSTlMXnORSiwCK0ZKSAAAATUlEQVR42mWPOQ7AQAgDuQLx/z8csYRmPRIFIwRGnosRrpamvkKi0FTIiMASR3hhKW+hAN6/tIWhu9PDWiTGNEkTtIOucA5Oyr9ckPgAWm0GPBog6v4AAAAASUVORK5CYII=");
+}
+
+.CodeMirror-lint-marker-warning, .CodeMirror-lint-message-warning {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAANlBMVEX/uwDvrwD/uwD/uwD/uwD/uwD/uwD/uwD/uwD6twD/uwAAAADurwD2tQD7uAD+ugAAAAD/uwDhmeTRAAAADHRSTlMJ8mN1EYcbmiixgACm7WbuAAAAVklEQVR42n3PUQqAIBBFUU1LLc3u/jdbOJoW1P08DA9Gba8+YWJ6gNJoNYIBzAA2chBth5kLmG9YUoG0NHAUwFXwO9LuBQL1giCQb8gC9Oro2vp5rncCIY8L8uEx5ZkAAAAASUVORK5CYII=");
+}
+
+.CodeMirror-lint-marker-multiple {
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAMAAADzjKfhAAAACVBMVEUAAAAAAAC/v7914kyHAAAAAXRSTlMAQObYZgAAACNJREFUeNo1ioEJAAAIwmz/H90iFFSGJgFMe3gaLZ0od+9/AQZ0ADosbYraAAAAAElFTkSuQmCC");
+  background-repeat: no-repeat;
+  background-position: right bottom;
+  width: 100%; height: 100%;
+}

src/public/libraries/codemirror/addon/lint/lint.js

@@ -0,0 +1,252 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+  var GUTTER_ID = "CodeMirror-lint-markers";
+
+  function showTooltip(e, content) {
+    var tt = document.createElement("div");
+    tt.className = "CodeMirror-lint-tooltip";
+    tt.appendChild(content.cloneNode(true));
+    document.body.appendChild(tt);
+
+    function position(e) {
+      if (!tt.parentNode) return CodeMirror.off(document, "mousemove", position);
+      tt.style.top = Math.max(0, e.clientY - tt.offsetHeight - 5) + "px";
+      tt.style.left = (e.clientX + 5) + "px";
+    }
+    CodeMirror.on(document, "mousemove", position);
+    position(e);
+    if (tt.style.opacity != null) tt.style.opacity = 1;
+    return tt;
+  }
+  function rm(elt) {
+    if (elt.parentNode) elt.parentNode.removeChild(elt);
+  }
+  function hideTooltip(tt) {
+    if (!tt.parentNode) return;
+    if (tt.style.opacity == null) rm(tt);
+    tt.style.opacity = 0;
+    setTimeout(function() { rm(tt); }, 600);
+  }
+
+  function showTooltipFor(e, content, node) {
+    var tooltip = showTooltip(e, content);
+    function hide() {
+      CodeMirror.off(node, "mouseout", hide);
+      if (tooltip) { hideTooltip(tooltip); tooltip = null; }
+    }
+    var poll = setInterval(function() {
+      if (tooltip) for (var n = node;; n = n.parentNode) {
+        if (n && n.nodeType == 11) n = n.host;
+        if (n == document.body) return;
+        if (!n) { hide(); break; }
+      }
+      if (!tooltip) return clearInterval(poll);
+    }, 400);
+    CodeMirror.on(node, "mouseout", hide);
+  }
+
+  function LintState(cm, options, hasGutter) {
+    this.marked = [];
+    this.options = options;
+    this.timeout = null;
+    this.hasGutter = hasGutter;
+    this.onMouseOver = function(e) { onMouseOver(cm, e); };
+    this.waitingFor = 0
+  }
+
+  function parseOptions(_cm, options) {
+    if (options instanceof Function) return {getAnnotations: options};
+    if (!options || options === true) options = {};
+    return options;
+  }
+
+  function clearMarks(cm) {
+    var state = cm.state.lint;
+    if (state.hasGutter) cm.clearGutter(GUTTER_ID);
+    for (var i = 0; i < state.marked.length; ++i)
+      state.marked[i].clear();
+    state.marked.length = 0;
+  }
+
+  function makeMarker(labels, severity, multiple, tooltips) {
+    var marker = document.createElement("div"), inner = marker;
+    marker.className = "CodeMirror-lint-marker-" + severity;
+    if (multiple) {
+      inner = marker.appendChild(document.createElement("div"));
+      inner.className = "CodeMirror-lint-marker-multiple";
+    }
+
+    if (tooltips != false) CodeMirror.on(inner, "mouseover", function(e) {
+      showTooltipFor(e, labels, inner);
+    });
+
+    return marker;
+  }
+
+  function getMaxSeverity(a, b) {
+    if (a == "error") return a;
+    else return b;
+  }
+
+  function groupByLine(annotations) {
+    var lines = [];
+    for (var i = 0; i < annotations.length; ++i) {
+      var ann = annotations[i], line = ann.from.line;
+      (lines[line] || (lines[line] = [])).push(ann);
+    }
+    return lines;
+  }
+
+  function annotationTooltip(ann) {
+    var severity = ann.severity;
+    if (!severity) severity = "error";
+    var tip = document.createElement("div");
+    tip.className = "CodeMirror-lint-message-" + severity;
+    if (typeof ann.messageHTML != 'undefined') {
+        tip.innerHTML = ann.messageHTML;
+    } else {
+        tip.appendChild(document.createTextNode(ann.message));
+    }
+    return tip;
+  }
+
+  function lintAsync(cm, getAnnotations, passOptions) {
+    var state = cm.state.lint
+    var id = ++state.waitingFor
+    function abort() {
+      id = -1
+      cm.off("change", abort)
+    }
+    cm.on("change", abort)
+    getAnnotations(cm.getValue(), function(annotations, arg2) {
+      cm.off("change", abort)
+      if (state.waitingFor != id) return
+      if (arg2 && annotations instanceof CodeMirror) annotations = arg2
+      cm.operation(function() {updateLinting(cm, annotations)})
+    }, passOptions, cm);
+  }
+
+  function startLinting(cm) {
+    var state = cm.state.lint, options = state.options;
+    /*
+     * Passing rules in `options` property prevents JSHint (and other linters) from complaining
+     * about unrecognized rules like `onUpdateLinting`, `delay`, `lintOnChange`, etc.
+     */
+    var passOptions = options.options || options;
+    var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint");
+    if (!getAnnotations) return;
+    if (options.async || getAnnotations.async) {
+      lintAsync(cm, getAnnotations, passOptions)
+    } else {
+      var annotations = getAnnotations(cm.getValue(), passOptions, cm);
+      if (!annotations) return;
+      if (annotations.then) annotations.then(function(issues) {
+        cm.operation(function() {updateLinting(cm, issues)})
+      });
+      else cm.operation(function() {updateLinting(cm, annotations)})
+    }
+  }
+
+  function updateLinting(cm, annotationsNotSorted) {
+    clearMarks(cm);
+    var state = cm.state.lint, options = state.options;
+
+    var annotations = groupByLine(annotationsNotSorted);
+
+    for (var line = 0; line < annotations.length; ++line) {
+      var anns = annotations[line];
+      if (!anns) continue;
+
+      var maxSeverity = null;
+      var tipLabel = state.hasGutter && document.createDocumentFragment();
+
+      for (var i = 0; i < anns.length; ++i) {
+        var ann = anns[i];
+        var severity = ann.severity;
+        if (!severity) severity = "error";
+        maxSeverity = getMaxSeverity(maxSeverity, severity);
+
+        if (options.formatAnnotation) ann = options.formatAnnotation(ann);
+        if (state.hasGutter) tipLabel.appendChild(annotationTooltip(ann));
+
+        if (ann.to) state.marked.push(cm.markText(ann.from, ann.to, {
+          className: "CodeMirror-lint-mark-" + severity,
+          __annotation: ann
+        }));
+      }
+
+      if (state.hasGutter)
+        cm.setGutterMarker(line, GUTTER_ID, makeMarker(tipLabel, maxSeverity, anns.length > 1,
+                                                       state.options.tooltips));
+    }
+    if (options.onUpdateLinting) options.onUpdateLinting(annotationsNotSorted, annotations, cm);
+  }
+
+  function onChange(cm) {
+    var state = cm.state.lint;
+    if (!state) return;
+    clearTimeout(state.timeout);
+    state.timeout = setTimeout(function(){startLinting(cm);}, state.options.delay || 500);
+  }
+
+  function popupTooltips(annotations, e) {
+    var target = e.target || e.srcElement;
+    var tooltip = document.createDocumentFragment();
+    for (var i = 0; i < annotations.length; i++) {
+      var ann = annotations[i];
+      tooltip.appendChild(annotationTooltip(ann));
+    }
+    showTooltipFor(e, tooltip, target);
+  }
+
+  function onMouseOver(cm, e) {
+    var target = e.target || e.srcElement;
+    if (!/\bCodeMirror-lint-mark-/.test(target.className)) return;
+    var box = target.getBoundingClientRect(), x = (box.left + box.right) / 2, y = (box.top + box.bottom) / 2;
+    var spans = cm.findMarksAt(cm.coordsChar({left: x, top: y}, "client"));
+
+    var annotations = [];
+    for (var i = 0; i < spans.length; ++i) {
+      var ann = spans[i].__annotation;
+      if (ann) annotations.push(ann);
+    }
+    if (annotations.length) popupTooltips(annotations, e);
+  }
+
+  CodeMirror.defineOption("lint", false, function(cm, val, old) {
+    if (old && old != CodeMirror.Init) {
+      clearMarks(cm);
+      if (cm.state.lint.options.lintOnChange !== false)
+        cm.off("change", onChange);
+      CodeMirror.off(cm.getWrapperElement(), "mouseover", cm.state.lint.onMouseOver);
+      clearTimeout(cm.state.lint.timeout);
+      delete cm.state.lint;
+    }
+
+    if (val) {
+      var gutters = cm.getOption("gutters"), hasLintGutter = false;
+      for (var i = 0; i < gutters.length; ++i) if (gutters[i] == GUTTER_ID) hasLintGutter = true;
+      var state = cm.state.lint = new LintState(cm, parseOptions(cm, val), hasLintGutter);
+      if (state.options.lintOnChange !== false)
+        cm.on("change", onChange);
+      if (state.options.tooltips != false && state.options.tooltips != "gutter")
+        CodeMirror.on(cm.getWrapperElement(), "mouseover", state.onMouseOver);
+
+      startLinting(cm);
+    }
+  });
+
+  CodeMirror.defineExtension("performLint", function() {
+    if (this.state.lint) startLinting(this);
+  });
+});

src/public/libraries/codemirror/addon/search/match-highlighter.js

@@ -90,7 +90,7 @@
     var state = cm.state.matchHighlighter;
     cm.addOverlay(state.overlay = makeOverlay(query, hasBoundary, style));
     if (state.options.annotateScrollbar && cm.showMatchesOnScrollbar) {
-      var searchFor = hasBoundary ? new RegExp("\\b" + query + "\\b") : query;
+      var searchFor = hasBoundary ? new RegExp("\\b" + query.replace(/[\\\[+*?(){|^$]/g, "\\$&") + "\\b") : query;
       state.matchesonscroll = cm.showMatchesOnScrollbar(searchFor, false,
         {className: "CodeMirror-selection-highlight-scrollbar"});
     }

src/public/libraries/codemirror/mode/javascript/javascript.js

@@ -846,6 +846,8 @@ CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);
 CodeMirror.defineMIME("text/javascript", "javascript");
 CodeMirror.defineMIME("text/ecmascript", "javascript");
 CodeMirror.defineMIME("application/javascript", "javascript");
+CodeMirror.defineMIME("application/javascript;env=frontend", "javascript");
+CodeMirror.defineMIME("application/javascript;env=backend", "javascript");
 CodeMirror.defineMIME("application/x-javascript", "javascript");
 CodeMirror.defineMIME("application/ecmascript", "javascript");
 CodeMirror.defineMIME("application/json", {name: "javascript", json: true});

src/public/libraries/codemirror/mode/meta.js

@@ -70,7 +70,7 @@
     {name: "Pug", mime: "text/x-pug", mode: "pug", ext: ["jade", "pug"], alias: ["jade"]},
     {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]},
     {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]},
-    {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript"],
+    {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/javascript;env=frontend", "application/javascript;env=backend", "application/x-javascript", "application/ecmascript"],
      mode: "javascript", ext: ["js"], alias: ["ecmascript", "js", "node"]},
     {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]},
     {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]},

src/public/stylesheets/style.css

@@ -72,6 +72,16 @@ span.fancytree-node.fancytree-folder.code > span.fancytree-icon {
     background-image: url("../images/icons/code-folder.png");
 }
 
+span.fancytree-node.attachment > span.fancytree-icon {
+    background-position: 0 0;
+    background-image: url("../images/icons/paperclip.png");
+}
+
+span.fancytree-node.render > span.fancytree-icon {
+    background-position: 0 0;
+    background-image: url("../images/icons/play.png");
+}
+
 span.fancytree-node.protected > span.fancytree-icon {
     filter: drop-shadow(2px 2px 2px black);
 }
@@ -103,6 +113,9 @@ span.fancytree-active:not(.fancytree-focused) .fancytree-title {
 
 .icon-action {
     cursor: pointer;
+    display: block;
+    height: 24px;
+    width: 24px;
 }
 
 #protect-button, #unprotect-button {
@@ -268,4 +281,9 @@ div.ui-tooltip {
 #attribute-list button {
     padding: 2px;
     margin-right: 5px;
+}
+
+#attachment-table th, #attachment-table td {
+    padding: 10px;
+    font-size: large;
 }

src/routes/api/attachments.js

@@ -0,0 +1,74 @@
+"use strict";
+
+const express = require('express');
+const router = express.Router();
+const sql = require('../../services/sql');
+const auth = require('../../services/auth');
+const notes = require('../../services/notes');
+const attributes = require('../../services/attributes');
+const protected_session = require('../../services/protected_session');
+const multer = require('multer')();
+const wrap = require('express-promise-wrap').wrap;
+
+router.post('/upload/:parentNoteId', auth.checkApiAuthOrElectron, multer.single('upload'), wrap(async (req, res, next) => {
+    const sourceId = req.headers.source_id;
+    const parentNoteId = req.params.parentNoteId;
+    const file = req.file;
+    const originalName = file.originalname;
+    const size = file.size;
+
+    const note = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [parentNoteId]);
+
+    if (!note) {
+        return res.status(404).send(`Note ${parentNoteId} doesn't exist.`);
+    }
+
+    await sql.doInTransaction(async () => {
+        const noteId = (await notes.createNewNote(parentNoteId, {
+            title: originalName,
+            content: file.buffer,
+            target: 'into',
+            isProtected: false,
+            type: 'file',
+            mime: file.mimetype
+        }, req, sourceId)).noteId;
+
+        await attributes.createAttribute(noteId, "original_file_name", originalName, sourceId);
+        await attributes.createAttribute(noteId, "file_size", size, sourceId);
+
+        res.send({
+            noteId: noteId
+        });
+    });
+}));
+
+router.get('/download/:noteId', auth.checkApiAuthOrElectron, wrap(async (req, res, next) => {
+    const noteId = req.params.noteId;
+    const note = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
+    const protectedSessionId = req.query.protectedSessionId;
+
+    if (!note) {
+        return res.status(404).send(`Note ${noteId} doesn't exist.`);
+    }
+
+    if (note.isProtected) {
+        const dataKey = protected_session.getDataKeyForProtectedSessionId(protectedSessionId);
+
+        if (!dataKey) {
+            res.status(401).send("Protected session not available");
+            return;
+        }
+
+        protected_session.decryptNote(dataKey, note);
+    }
+
+    const attributeMap = await attributes.getNoteAttributeMap(noteId);
+    const fileName = attributeMap.original_file_name ? attributeMap.original_file_name : note.title;
+
+    res.setHeader('Content-Disposition', 'attachment; filename=' + fileName);
+    res.setHeader('Content-Type', note.mime);
+
+    res.send(note.content);
+}));
+
+module.exports = router;

src/routes/api/export.js

@@ -2,56 +2,79 @@
 
 const express = require('express');
 const router = express.Router();
-const rimraf = require('rimraf');
-const fs = require('fs');
 const sql = require('../../services/sql');
-const data_dir = require('../../services/data_dir');
 const html = require('html');
 const auth = require('../../services/auth');
 const wrap = require('express-promise-wrap').wrap;
+const tar = require('tar-stream');
+const sanitize = require("sanitize-filename");
+const Repository = require("../../services/repository");
 
-router.get('/:noteId/to/:directory', auth.checkApiAuth, wrap(async (req, res, next) => {
+router.get('/:noteId/', auth.checkApiAuthOrElectron, wrap(async (req, res, next) => {
     const noteId = req.params.noteId;
-    const directory = req.params.directory.replace(/[^0-9a-zA-Z_-]/gi, '');
-
-    if (!fs.existsSync(data_dir.EXPORT_DIR)) {
-        fs.mkdirSync(data_dir.EXPORT_DIR);
-    }
-
-    const completeExportDir = data_dir.EXPORT_DIR + '/' + directory;
-
-    if (fs.existsSync(completeExportDir)) {
-        rimraf.sync(completeExportDir);
-    }
-
-    fs.mkdirSync(completeExportDir);
+    const repo = new Repository(req);
 
     const noteTreeId = await sql.getValue('SELECT noteTreeId FROM note_tree WHERE noteId = ?', [noteId]);
 
-    await exportNote(noteTreeId, completeExportDir);
+    const pack = tar.pack();
 
-    res.send({});
+    const name = await exportNote(noteTreeId, '', pack, repo);
+
+    pack.finalize();
+
+    res.setHeader('Content-Disposition', 'attachment; filename="' + name + '.tar"');
+    res.setHeader('Content-Type', 'application/tar');
+
+    pack.pipe(res);
 }));
 
-async function exportNote(noteTreeId, dir) {
+async function exportNote(noteTreeId, directory, pack, repo) {
     const noteTree = await sql.getRow("SELECT * FROM note_tree WHERE noteTreeId = ?", [noteTreeId]);
-    const note = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteTree.noteId]);
+    const note = await repo.getEntity("SELECT notes.* FROM notes WHERE noteId = ?", [noteTree.noteId]);
 
-    const pos = (noteTree.notePosition + '').padStart(4, '0');
+    if (note.isProtected) {
+        return;
+    }
 
-    fs.writeFileSync(dir + '/' + pos + '-' + note.title + '.html', html.prettyPrint(note.content, {indent_size: 2}));
+    const metadata = await getMetadata(note);
+
+    if ('exclude_from_export' in metadata.attributes) {
+        return;
+    }
+
+    const metadataJson = JSON.stringify(metadata, null, '\t');
+    const childFileName = directory + sanitize(note.title);
+
+    pack.entry({ name: childFileName + ".meta", size: metadataJson.length }, metadataJson);
+
+    const content = note.type === 'text' ? html.prettyPrint(note.content, {indent_size: 2}) : note.content;
+
+    pack.entry({ name: childFileName + ".dat", size: content.length }, content);
 
     const children = await sql.getRows("SELECT * FROM note_tree WHERE parentNoteId = ? AND isDeleted = 0", [note.noteId]);
 
     if (children.length > 0) {
-        const childrenDir = dir + '/' + pos + '-' + note.title;
-
-        fs.mkdirSync(childrenDir);
-
         for (const child of children) {
-            await exportNote(child.noteTreeId, childrenDir);
+            await exportNote(child.noteTreeId, childFileName + "/", pack, repo);
         }
     }
+
+    return childFileName;
+}
+
+async function getMetadata(note) {
+    return {
+        version: 1,
+        title: note.title,
+        type: note.type,
+        mime: note.mime,
+        attributes: (await note.getAttributes()).map(attr => {
+            return {
+                name: attr.name,
+                value: attr.value
+            };
+        })
+    };
 }
 
 module.exports = router;

src/routes/api/import.js

@@ -2,104 +2,136 @@
 
 const express = require('express');
 const router = express.Router();
-const fs = require('fs');
 const sql = require('../../services/sql');
-const data_dir = require('../../services/data_dir');
-const utils = require('../../services/utils');
-const sync_table = require('../../services/sync_table');
 const auth = require('../../services/auth');
+const attributes = require('../../services/attributes');
+const notes = require('../../services/notes');
 const wrap = require('express-promise-wrap').wrap;
+const tar = require('tar-stream');
+const multer = require('multer')();
+const stream = require('stream');
+const path = require('path');
 
-router.get('/:directory/to/:parentNoteId', auth.checkApiAuth, wrap(async (req, res, next) => {
-    const directory = req.params.directory.replace(/[^0-9a-zA-Z_-]/gi, '');
+function getFileName(name) {
+    let key;
+
+    if (name.endsWith(".dat")) {
+        key = "data";
+        name = name.substr(0, name.length - 4);
+    }
+    else if (name.endsWith((".meta"))) {
+        key = "meta";
+        name = name.substr(0, name.length - 5);
+    }
+    else {
+        throw new Error("Unknown file type in import archive: " + name);
+    }
+    return {name, key};
+}
+
+async function parseImportFile(file) {
+    const fileMap = {};
+    const files = [];
+
+    const extract = tar.extract();
+
+    extract.on('entry', function(header, stream, next) {
+        let {name, key} = getFileName(header.name);
+
+        let file = fileMap[name];
+
+        if (!file) {
+            file = fileMap[name] = {
+                children: []
+            };
+
+            let parentFileName = path.dirname(header.name);
+
+            if (parentFileName && parentFileName !== '.') {
+                fileMap[parentFileName].children.push(file);
+            }
+            else {
+                files.push(file);
+            }
+        }
+
+        const chunks = [];
+
+        stream.on("data", function (chunk) {
+            chunks.push(chunk);
+        });
+
+        // header is the tar header
+        // stream is the content body (might be an empty stream)
+        // call next when you are done with this entry
+
+        stream.on('end', function() {
+            file[key] = Buffer.concat(chunks);
+
+            if (key === "meta") {
+                file[key] = JSON.parse(file[key].toString("UTF-8"));
+            }
+
+            next(); // ready for next entry
+        });
+
+        stream.resume(); // just auto drain the stream
+    });
+
+    return new Promise(resolve => {
+        extract.on('finish', function() {
+            resolve(files);
+        });
+
+        const bufferStream = new stream.PassThrough();
+        bufferStream.end(file.buffer);
+
+        bufferStream.pipe(extract);
+    });
+}
+
+router.post('/:parentNoteId', auth.checkApiAuthOrElectron, multer.single('upload'), wrap(async (req, res, next) => {
+    const sourceId = req.headers.source_id;
     const parentNoteId = req.params.parentNoteId;
+    const file = req.file;
 
-    const dir = data_dir.EXPORT_DIR + '/' + directory;
+    const note = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [parentNoteId]);
 
-    await sql.doInTransaction(async () => await importNotes(dir, parentNoteId));
+    if (!note) {
+        return res.status(404).send(`Note ${parentNoteId} doesn't exist.`);
+    }
+
+    const files = await parseImportFile(file);
+
+    await sql.doInTransaction(async () => {
+        await importNotes(files, parentNoteId, sourceId);
+    });
 
     res.send({});
 }));
 
-async function importNotes(dir, parentNoteId) {
-    const parent = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [parentNoteId]);
-
-    if (!parent) {
-        return;
-    }
-
-    const fileList = fs.readdirSync(dir);
-
-    for (const file of fileList) {
-        const path = dir + '/' + file;
-
-        if (fs.lstatSync(path).isDirectory()) {
-            continue;
+async function importNotes(files, parentNoteId, sourceId) {
+    for (const file of files) {
+        if (file.meta.version !== 1) {
+            throw new Error("Can't read meta data version " + file.meta.version);
         }
 
-        if (!file.endsWith('.html')) {
-            continue;
+        if (file.meta.type !== 'file') {
+            file.data = file.data.toString("UTF-8");
         }
 
-        const fileNameWithoutExt = file.substr(0, file.length - 5);
-
-        let noteTitle;
-        let notePos;
-
-        const match = fileNameWithoutExt.match(/^([0-9]{4})-(.*)$/);
-        if (match) {
-            notePos = parseInt(match[1]);
-            noteTitle = match[2];
-        }
-        else {
-            let maxPos = await sql.getValue("SELECT MAX(notePosition) FROM note_tree WHERE parentNoteId = ? AND isDeleted = 0", [parentNoteId]);
-            if (maxPos) {
-                notePos = maxPos + 1;
-            }
-            else {
-                notePos = 0;
-            }
-
-            noteTitle = fileNameWithoutExt;
-        }
-
-        const noteText = fs.readFileSync(path, "utf8");
-
-        const noteId = utils.newNoteId();
-        const noteTreeId = utils.newNoteRevisionId();
-
-        const now = utils.nowDate();
-
-        await sql.insert('note_tree', {
-            noteTreeId: noteTreeId,
-            noteId: noteId,
-            parentNoteId: parentNoteId,
-            notePosition: notePos,
-            isExpanded: 0,
-            isDeleted: 0,
-            dateModified: now
+        const noteId = await notes.createNote(parentNoteId, file.meta.title, file.data, {
+            type: file.meta.type,
+            mime: file.meta.mime,
+            sourceId: sourceId
         });
 
-        await sync_table.addNoteTreeSync(noteTreeId);
+        for (const attr of file.meta.attributes) {
+            await attributes.createAttribute(noteId, attr.name, attr.value);
+        }
 
-        await sql.insert('notes', {
-            noteId: noteId,
-            title: noteTitle,
-            content: noteText,
-            isDeleted: 0,
-            isProtected: 0,
-            type: 'text',
-            mime: 'text/html',
-            dateCreated: now,
-            dateModified: now
-        });
-
-        await sync_table.addNoteSync(noteId);
-
-        const noteDir = dir + '/' + fileNameWithoutExt;
-
-        if (fs.existsSync(noteDir) && fs.lstatSync(noteDir).isDirectory()) {
-            await importNotes(noteDir, noteId);
+        if (file.children.length > 0) {
+            await importNotes(file.children, noteId, sourceId);
         }
     }
 }

src/routes/api/notes.js

@@ -5,6 +5,7 @@ const router = express.Router();
 const auth = require('../../services/auth');
 const sql = require('../../services/sql');
 const notes = require('../../services/notes');
+const attributes = require('../../services/attributes');
 const log = require('../../services/log');
 const utils = require('../../services/utils');
 const protected_session = require('../../services/protected_session');
@@ -25,8 +26,19 @@ router.get('/:noteId', auth.checkApiAuth, wrap(async (req, res, next) => {
 
     protected_session.decryptNote(req, detail);
 
+    let attributeMap = null;
+
+    if (detail.type === 'file') {
+        // no need to transfer attachment payload for this request
+        detail.content = null;
+
+        // attributes contain important attachment metadata - filename and size
+        attributeMap = await attributes.getNoteAttributeMap(noteId);
+    }
+
     res.send({
-        detail: detail
+        detail: detail,
+        attributes: attributeMap
     });
 }));
 

src/routes/api/script.js

@@ -4,13 +4,23 @@ const express = require('express');
 const router = express.Router();
 const auth = require('../../services/auth');
 const wrap = require('express-promise-wrap').wrap;
-const notes = require('../../services/notes');
 const attributes = require('../../services/attributes');
 const script = require('../../services/script');
 const Repository = require('../../services/repository');
 
 router.post('/exec', auth.checkApiAuth, wrap(async (req, res, next) => {
-    const ret = await script.executeScript(req, req.body.script, req.body.params);
+    const ret = await script.executeScript(req, req.body.script, req.body.params, req.body.startNoteId, req.body.currentNoteId);
+
+    res.send({
+        executionResult: ret
+    });
+}));
+
+router.post('/run/:noteId', auth.checkApiAuth, wrap(async (req, res, next) => {
+    const repository = new Repository(req);
+    const note = await repository.getNote(req.params.noteId);
+
+    const ret = await script.executeNote(req, note);
 
     res.send({
         executionResult: ret
@@ -18,65 +28,26 @@ router.post('/exec', auth.checkApiAuth, wrap(async (req, res, next) => {
 }));
 
 router.get('/startup', auth.checkApiAuth, wrap(async (req, res, next) => {
-    const noteIds = await attributes.getNoteIdsWithAttribute("run_on_startup");
     const repository = new Repository(req);
+    const notes = await attributes.getNotesWithAttribute(repository, "run", "frontend_startup");
 
     const scripts = [];
 
-    for (const noteId of noteIds) {
-        scripts.push(await getNoteWithSubtreeScript(noteId, repository));
+    for (const note of notes) {
+        const bundle = await script.getScriptBundle(note);
+
+        scripts.push(bundle);
     }
 
     res.send(scripts);
 }));
 
-router.get('/subtree/:noteId', auth.checkApiAuth, wrap(async (req, res, next) => {
-    const noteId = req.params.noteId;
-
+router.get('/bundle/:noteId', auth.checkApiAuth, wrap(async (req, res, next) => {
     const repository = new Repository(req);
+    const note = await repository.getNote(req.params.noteId);
+    const bundle = await script.getScriptBundle(note);
 
-    const noteScript = (await repository.getNote(noteId)).content;
-
-    const subTreeScripts = await getSubTreeScripts(noteId, [noteId], repository);
-
-    res.send(subTreeScripts + noteScript);
+    res.send(bundle);
 }));
 
-async function getNoteWithSubtreeScript(noteId, repository) {
-    const noteScript = (await repository.getNote(noteId)).content;
-
-    const subTreeScripts = await getSubTreeScripts(noteId, [noteId], repository);
-
-    return subTreeScripts + noteScript;
-}
-
-async function getSubTreeScripts(parentId, includedNoteIds, repository) {
-    const children = await repository.getEntities(`
-                                      SELECT notes.* 
-                                      FROM notes JOIN note_tree USING(noteId)
-                                      WHERE note_tree.isDeleted = 0 AND notes.isDeleted = 0
-                                           AND note_tree.parentNoteId = ? AND notes.type = 'code'
-                                           AND (notes.mime = 'application/javascript' OR notes.mime = 'text/html')`, [parentId]);
-
-    let script = "\r\n";
-
-    for (const child of children) {
-        if (includedNoteIds.includes(child.noteId)) {
-            return;
-        }
-
-        includedNoteIds.push(child.noteId);
-
-        script += await getSubTreeScripts(child.noteId, includedNoteIds, repository);
-
-        if (child.mime === 'application/javascript') {
-            child.content = '<script>' + child.content + '</script>';
-        }
-
-        script += child.content + "\r\n";
-    }
-
-    return script;
-}
-
 module.exports = router;

src/routes/api/sync.js

@@ -79,9 +79,12 @@ router.get('/changed', auth.checkApiAuth, wrap(async (req, res, next) => {
 
 router.get('/notes/:noteId', auth.checkApiAuth, wrap(async (req, res, next) => {
     const noteId = req.params.noteId;
+    const entity = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
+
+    sync.serializeNoteContentBuffer(entity);
 
     res.send({
-        entity: await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId])
+        entity: entity
     });
 }));
 

src/routes/api/tree.js

@@ -6,6 +6,7 @@ const sql = require('../../services/sql');
 const options = require('../../services/options');
 const utils = require('../../services/utils');
 const auth = require('../../services/auth');
+const config = require('../../services/config');
 const protected_session = require('../../services/protected_session');
 const sync_table = require('../../services/sync_table');
 const wrap = require('express-promise-wrap').wrap;
@@ -41,6 +42,7 @@ router.get('/', auth.checkApiAuth, wrap(async (req, res, next) => {
         AND notes.isDeleted = 0`);
 
     res.send({
+        instanceName: config.General ? config.General.instanceName : null,
         notes: notes,
         hiddenInAutocomplete: hiddenInAutocomplete,
         start_note_path: await options.getOption('start_note_path')

src/routes/index.js

@@ -5,13 +5,32 @@ const router = express.Router();
 const auth = require('../services/auth');
 const source_id = require('../services/source_id');
 const sql = require('../services/sql');
+const Repository = require('../services/repository');
+const attributes = require('../services/attributes');
 const wrap = require('express-promise-wrap').wrap;
 
 router.get('', auth.checkAuth, wrap(async (req, res, next) => {
+    const repository = new Repository(req);
+
     res.render('index', {
         sourceId: await source_id.generateSourceId(),
-        maxSyncIdAtLoad: await sql.getValue("SELECT MAX(id) FROM sync")
+        maxSyncIdAtLoad: await sql.getValue("SELECT MAX(id) FROM sync"),
+        appCss: await getAppCss(repository)
     });
 }));
 
+async function getAppCss(repository) {
+    let css = '';
+    const notes = attributes.getNotesWithAttribute(repository, 'app_css');
+
+    for (const note of await notes) {
+        css += `/* ${note.noteId} */
+${note.content}
+
+`;
+    }
+
+    return css;
+}
+
 module.exports = router;

src/routes/routes.js

@@ -29,6 +29,7 @@ const imageRoute = require('./api/image');
 const attributesRoute = require('./api/attributes');
 const scriptRoute = require('./api/script');
 const senderRoute = require('./api/sender');
+const attachmentsRoute = require('./api/attachments');
 
 function register(app) {
     app.use('/', indexRoute);
@@ -61,6 +62,7 @@ function register(app) {
     app.use('/api/images', imageRoute);
     app.use('/api/script', scriptRoute);
     app.use('/api/sender', senderRoute);
+    app.use('/api/attachments', attachmentsRoute);
 }
 
 module.exports = {

src/scripts/weight.html

@@ -1,4 +1,4 @@
-<form id="weight-form" style="display: flex; width: 500px; justify-content: space-around; align-items: flex-end;">
+<form id="weight-form" style="display: flex; width: 700px; justify-content: space-around; align-items: flex-end;">
     <div>
         <label for="weight-date">Date</label>
         <input type="text" id="weight-date" class="form-control" style="width: 150px; text-align: center;" />
@@ -7,6 +7,10 @@
         <label for="weight">Weight</label>
         <input type="number" id="weight" value="80.0" step="0.1" class="form-control" style="text-align: center; width: 100px;" />
     </div>
+    <div>
+        <label for="comment">Comment</label>
+        <input type="text" id="comment" class="form-control" style="width: 200px;" />
+    </div>
 
     <button type="submit" class="btn btn-primary">Add</button>
 </form>
@@ -16,84 +20,127 @@
 <canvas id="canvas"></canvas>
 
 <script>
-(async function() {
-    const dateEl = $("#weight-date");
-    const weightEl = $("#weight");
+    (async function() {
+        const $form = $("#weight-form");
+        const $date = $("#weight-date");
+        const $weight = $("#weight");
+        const $comment = $("#comment");
+        let chart;
 
-    dateEl.datepicker();
-    dateEl.datepicker('option', 'dateFormat', 'yy-mm-dd');
-    dateEl.datepicker('setDate', new Date());
+        $date.datepicker();
+        $date.datepicker('option', 'dateFormat', 'yy-mm-dd');
+        $date.datepicker('setDate', new Date());
 
-    async function saveWeight() {
-        await server.exec([dateEl.val(), weightEl.val()], async (date, weight) => {
-            const dataNote = await this.getNoteWithAttribute('date_data', date);
+        async function saveWeight() {
+            await server.exec([$date.val(), parseFloat($weight.val()), $comment.val()], async (date, weight, comment) => {
+                const dataNote = await this.getNoteWithAttribute('date_data', date);
 
-            if (dataNote) {
-                dataNote.jsonContent.weight = weight;
+                if (dataNote) {
+                    dataNote.jsonContent.weight = weight;
 
-                await this.updateEntity(dataNote);
-            }
-            else {
-                const parentNoteId = await this.getDateNoteId(date);
-                const jsonContent = { weight: weight };
-
-                await this.createNote(parentNoteId, 'data', jsonContent, {
-                    json: true,
-                    attributes: {
-                        date_data: date,
-                        hide_in_autocomplete: null
+                    if (comment) {
+                        dataNote.jsonContent.weight_comment = comment;
                     }
-                });
-            }
-        });
 
-        showMessage("Weight has been saved");
+                    await this.updateEntity(dataNote);
+                }
+                else {
+                    const parentNoteId = await this.getDateNoteId(date);
+                    const jsonContent = { weight: weight };
+
+                    if (comment) {
+                        jsonContent.weight_comment = comment;
+                    }
+
+                    await this.createNote(parentNoteId, 'data', jsonContent, {
+                        json: true,
+                        attributes: {
+                            date_data: date,
+                            hide_in_autocomplete: null
+                        }
+                    });
+                }
+            });
+
+            showMessage("Weight has been saved");
+
+            chart.data = await getData();
+            chart.update();
+        }
+
+        async function drawChart() {
+            const data = await getData();
+
+            const ctx = $("#canvas")[0].getContext("2d");
+
+            chart = new Chart(ctx, {
+                type: 'line',
+                data: data,
+                options: {
+                    tooltips: {
+                        enabled: true,
+                        mode: 'single',
+                        callbacks: {
+                            label: function (tooltipItem, data) {
+                                const multistringText = [tooltipItem.yLabel];
+                                const comment = data.comments[tooltipItem['index']];
+
+                                if (comment) {
+                                    multistringText.push(comment);
+                                }
+
+                                return multistringText;
+                            }
+                        }
+                    },
+                }
+            });
+        }
+
+        async function getData() {
+            const data = await server.exec([], async () => {
+                const notes = await this.getNotesWithAttribute('date_data');
+                const data = [];
+
+                for (const note of notes) {
+                    const dateAttr = await note.getAttribute('date_data');
+
+                    data.push({
+                        date: dateAttr.value,
+                        weight: note.jsonContent.weight,
+                        comment: note.jsonContent.weight_comment
+                    });
+                }
+
+                data.sort((a, b) => a.date < b.date ? -1 : +1);
+
+                return data;
+            });
+
+            const datasets = [{
+                label: "Weight",
+                backgroundColor: 'red',
+                borderColor: 'red',
+                data: data.map(row => row.weight),
+                fill: false
+            }];
+
+            const labels = data.map(row => row.date);
+            const comments = data.map(row => row.comment);
+
+            return {
+                labels: labels,
+                datasets: datasets,
+                comments: comments
+            };
+        }
+
+        $form.submit(event => {
+            saveWeight();
+
+            event.preventDefault();
+        });
 
         drawChart();
-    }
-
-    async function drawChart() {
-        const data = await server.exec([], async () => {
-            const notes = await this.getNotesWithAttribute('date_data');
-            const data = [];
-
-            for (const note of notes) {
-                const dateAttr = await note.getAttribute('date_data');
-
-                data.push({
-                    date: dateAttr.value,
-                    weight: note.jsonContent.weight
-                });
-            }
-
-            data.sort((a, b) => a.date < b.date ? -1 : +1);
-
-            return data;
-        });
-
-        const ctx = $("#canvas")[0].getContext("2d");
-
-        new Chart(ctx, {
-            type: 'line',
-            data: {
-                labels: data.map(row => row.date),
-                datasets: [{
-                    label: "Weight",
-                    backgroundColor: 'red',
-                    borderColor: 'red',
-                    data: data.map(row => row.weight),
-                    fill: false
-                }]
-            }
-        });
-    }
-
-    $("#weight-form").submit(event => {
-        saveWeight();
-
-        event.preventDefault();
-    });
-
-    drawChart();
-})();
+    })();
 </script>

src/services/app_info.js

@@ -3,7 +3,7 @@
 const build = require('./build');
 const packageJson = require('../../package');
 
-const APP_DB_VERSION = 76;
+const APP_DB_VERSION = 78;
 
 module.exports = {
     app_version: packageJson.version,

src/services/attributes.js

@@ -3,17 +3,22 @@
 const sql = require('./sql');
 const utils = require('./utils');
 const sync_table = require('./sync_table');
-const Repository = require('./repository');
 
 const BUILTIN_ATTRIBUTES = [
-    'run_on_startup',
+    'frontend_startup',
+    'backend_startup',
     'disable_versioning',
     'calendar_root',
-    'hide_in_autocomplete'
+    'hide_in_autocomplete',
+    'exclude_from_export',
+    'run',
+    'manual_transaction_handling',
+    'disable_inclusion',
+    'app_css'
 ];
 
 async function getNoteAttributeMap(noteId) {
-    return await sql.getMap(`SELECT name, value FROM attributes WHERE noteId = ?`, [noteId]);
+    return await sql.getMap(`SELECT name, value FROM attributes WHERE noteId = ? AND isDeleted = 0`, [noteId]);
 }
 
 async function getNoteIdWithAttribute(name, value) {
@@ -24,9 +29,7 @@ async function getNoteIdWithAttribute(name, value) {
                 AND attributes.value = ?`, [name, value]);
 }
 
-async function getNotesWithAttribute(dataKey, name, value) {
-    const repository = new Repository(dataKey);
-
+async function getNotesWithAttribute(repository, name, value) {
     let notes;
 
     if (value !== undefined) {
@@ -41,8 +44,8 @@ async function getNotesWithAttribute(dataKey, name, value) {
     return notes;
 }
 
-async function getNoteWithAttribute(dataKey, name, value) {
-    const notes = getNotesWithAttribute(dataKey, name, value);
+async function getNoteWithAttribute(repository, name, value) {
+    const notes = getNotesWithAttribute(repository, name, value);
 
     return notes.length > 0 ? notes[0] : null;
 }
@@ -52,15 +55,21 @@ async function getNoteIdsWithAttribute(name) {
           WHERE notes.isDeleted = 0 AND attributes.isDeleted = 0 AND attributes.name = ? AND attributes.isDeleted = 0`, [name]);
 }
 
-async function createAttribute(noteId, name, value = null, sourceId = null) {
+async function createAttribute(noteId, name, value = "", sourceId = null) {
+    if (value === null || value === undefined) {
+        value = "";
+    }
+
     const now = utils.nowDate();
     const attributeId = utils.newAttributeId();
+    const position = 1 + await sql.getValue(`SELECT COALESCE(MAX(position), 0) FROM attributes WHERE noteId = ?`, [noteId]);
 
     await sql.insert("attributes", {
         attributeId: attributeId,
         noteId: noteId,
         name: name,
         value: value,
+        position: position,
         dateModified: now,
         dateCreated: now,
         isDeleted: false

src/services/consistency_checks.js

@@ -214,7 +214,7 @@ async function runAllChecks() {
           FROM 
             notes
           WHERE 
-            type != 'text' AND type != 'code' AND type != 'render'`,
+            type != 'text' AND type != 'code' AND type != 'render' AND type != 'file'`,
         "Note has invalid type", errorList);
 
     await runSyncRowChecks("notes", "noteId", errorList);

src/services/data_dir.js

@@ -20,6 +20,5 @@ module.exports = {
     DOCUMENT_PATH,
     BACKUP_DIR,
     LOG_DIR,
-    EXPORT_DIR,
     ANONYMIZED_DB_DIR
 };

src/services/data_encryption.js

@@ -88,7 +88,7 @@ function noteTitleIv(iv) {
     return "0" + iv;
 }
 
-function noteTextIv(iv) {
+function noteContentIv(iv) {
     return "1" + iv;
 }
 
@@ -97,5 +97,5 @@ module.exports = {
     decrypt,
     decryptString,
     noteTitleIv,
-    noteTextIv
+    noteContentIv
 };

src/services/date_notes.js

@@ -29,7 +29,7 @@ async function getNoteStartingWith(parentNoteId, startsWith) {
                                     AND note_tree.isDeleted = 0`, [parentNoteId]);
 }
 
-async function getRootNoteId() {
+async function getRootCalendarNoteId() {
     let rootNoteId = await sql.getValue(`SELECT notes.noteId FROM notes JOIN attributes USING(noteId) 
               WHERE attributes.name = '${CALENDAR_ROOT_ATTRIBUTE}' AND notes.isDeleted = 0`);
 
@@ -91,7 +91,7 @@ async function getMonthNoteId(dateTimeStr, rootNoteId) {
 
 async function getDateNoteId(dateTimeStr, rootNoteId = null) {
     if (!rootNoteId) {
-        rootNoteId = await getRootNoteId();
+        rootNoteId = await getRootCalendarNoteId();
     }
 
     const dateStr = dateTimeStr.substr(0, 10);
@@ -119,7 +119,7 @@ async function getDateNoteId(dateTimeStr, rootNoteId = null) {
 }
 
 module.exports = {
-    getRootNoteId,
+    getRootCalendarNoteId,
     getYearNoteId,
     getMonthNoteId,
     getDateNoteId

src/services/notes.js

@@ -83,6 +83,40 @@ async function createNewNote(parentNoteId, noteOpts, dataKey, sourceId) {
     };
 }
 
+async function createNote(parentNoteId, title, content = "", extraOptions = {}) {
+    if (!parentNoteId) throw new Error("Empty parentNoteId");
+    if (!title) throw new Error("Empty title");
+
+    const note = {
+        title: title,
+        content: extraOptions.json ? JSON.stringify(content, null, '\t') : content,
+        target: 'into',
+        isProtected: extraOptions.isProtected !== undefined ? extraOptions.isProtected : false,
+        type: extraOptions.type,
+        mime: extraOptions.mime
+    };
+
+    if (extraOptions.json) {
+        note.type = "code";
+        note.mime = "application/json";
+    }
+
+    if (!note.type) {
+        note.type = "text";
+        note.mime = "text/html";
+    }
+
+    const {noteId} = await createNewNote(parentNoteId, note, extraOptions.dataKey, extraOptions.sourceId);
+
+    if (extraOptions.attributes) {
+        for (const attrName in extraOptions.attributes) {
+            await attributes.createAttribute(noteId, attrName, extraOptions.attributes[attrName]);
+        }
+    }
+
+    return noteId;
+}
+
 async function protectNoteRecursively(noteId, dataKey, protect, sourceId) {
     const note = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
 
@@ -148,10 +182,14 @@ async function protectNoteHistory(noteId, dataKey, protect, sourceId) {
 async function saveNoteHistory(noteId, dataKey, sourceId, nowStr) {
     const oldNote = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
 
+    if (oldNote.type === 'file') {
+        return;
+    }
+
     if (oldNote.isProtected) {
         protected_session.decryptNote(dataKey, oldNote);
 
-        note.isProtected = false;
+        oldNote.isProtected = false;
     }
 
     const newNoteRevisionId = utils.newNoteRevisionId();
@@ -217,7 +255,21 @@ async function saveNoteImages(noteId, noteText, sourceId) {
     }
 }
 
+async function loadFile(noteId, newNote, dataKey) {
+    const oldNote = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
+
+    if (oldNote.isProtected) {
+        await protected_session.decryptNote(dataKey, oldNote);
+    }
+
+    newNote.detail.content = oldNote.content;
+}
+
 async function updateNote(noteId, newNote, dataKey, sourceId) {
+    if (newNote.detail.type === 'file') {
+        await loadFile(noteId, newNote, dataKey);
+    }
+
     if (newNote.detail.isProtected) {
         await protected_session.encryptNote(dataKey, newNote.detail);
     }
@@ -289,6 +341,7 @@ async function deleteNote(noteTreeId, sourceId) {
 
 module.exports = {
     createNewNote,
+    createNote,
     updateNote,
     deleteNote,
     protectNoteRecursively

src/services/protected_session.js

@@ -26,6 +26,10 @@ function getDataKey(obj) {
 
     const protectedSessionId = getProtectedSessionId(obj);
 
+    return getDataKeyForProtectedSessionId(protectedSessionId);
+}
+
+function getDataKeyForProtectedSessionId(protectedSessionId) {
     if (protectedSessionId && session.protectedSessionId === protectedSessionId) {
         return session.decryptedDataKey;
     }
@@ -52,7 +56,14 @@ function decryptNote(dataKey, note) {
     }
 
     if (note.content) {
-        note.content = data_encryption.decryptString(dataKey, data_encryption.noteTextIv(note.noteId), note.content);
+        const contentIv = data_encryption.noteContentIv(note.noteId);
+
+        if (note.type === 'file') {
+            note.content = data_encryption.decrypt(dataKey, contentIv, note.content);
+        }
+        else {
+            note.content = data_encryption.decryptString(dataKey, contentIv, note.content);
+        }
     }
 }
 
@@ -76,7 +87,7 @@ function decryptNoteHistoryRow(dataKey, hist) {
     }
 
     if (hist.content) {
-        hist.content = data_encryption.decryptString(dataKey, data_encryption.noteTextIv(hist.noteRevisionId), hist.content);
+        hist.content = data_encryption.decryptString(dataKey, data_encryption.noteContentIv(hist.noteRevisionId), hist.content);
     }
 }
 
@@ -92,19 +103,20 @@ function encryptNote(dataKey, note) {
     dataKey = getDataKey(dataKey);
 
     note.title = data_encryption.encrypt(dataKey, data_encryption.noteTitleIv(note.noteId), note.title);
-    note.content = data_encryption.encrypt(dataKey, data_encryption.noteTextIv(note.noteId), note.content);
+    note.content = data_encryption.encrypt(dataKey, data_encryption.noteContentIv(note.noteId), note.content);
 }
 
 function encryptNoteHistoryRow(dataKey, history) {
     dataKey = getDataKey(dataKey);
 
     history.title = data_encryption.encrypt(dataKey, data_encryption.noteTitleIv(history.noteRevisionId), history.title);
-    history.content = data_encryption.encrypt(dataKey, data_encryption.noteTextIv(history.noteRevisionId), history.content);
+    history.content = data_encryption.encrypt(dataKey, data_encryption.noteContentIv(history.noteRevisionId), history.content);
 }
 
 module.exports = {
     setDataKey,
     getDataKey,
+    getDataKeyForProtectedSessionId,
     isProtectedSessionAvailable,
     decryptNote,
     decryptNotes,

src/services/scheduler.js

@@ -0,0 +1,27 @@
+const script = require('./script');
+const Repository = require('./repository');
+
+const repo = new Repository();
+
+async function runNotesWithAttribute(runAttrValue) {
+    const notes = await repo.getEntities(`
+        SELECT notes.* 
+        FROM notes 
+          JOIN attributes ON attributes.noteId = notes.noteId
+                           AND attributes.isDeleted = 0
+                           AND attributes.name = 'run' 
+                           AND attributes.value = ? 
+        WHERE
+          notes.type = 'code'
+          AND notes.isDeleted = 0`, [runAttrValue]);
+
+    for (const note of notes) {
+        script.executeNote(null, note);
+    }
+}
+
+setTimeout(() => runNotesWithAttribute('backend_startup'), 10 * 1000);
+
+setInterval(() => runNotesWithAttribute('hourly'), 3600 * 1000);
+
+setInterval(() => runNotesWithAttribute('daily'), 24 * 3600 * 1000);

src/services/script.js

@@ -1,27 +1,139 @@
-const log = require('./log');
 const sql = require('./sql');
 const ScriptContext = require('./script_context');
+const Repository = require('./repository');
 
-async function executeScript(dataKey, script, params) {
-    log.info('Executing script: ' + script);
+async function executeNote(dataKey, note) {
+    if (!note.isJavaScript()) {
+        return;
+    }
 
-    const ctx = new ScriptContext(dataKey);
+    const bundle = await getScriptBundle(note);
 
-    const paramsStr = getParams(params);
+    await executeBundle(dataKey, bundle);
+}
 
-    let ret;
+async function executeBundle(dataKey, bundle, startNote) {
+    if (!startNote) {
+        // this is the default case, the only exception is when we want to preserve frontend startNote
+        startNote = bundle.note;
+    }
 
-    await sql.doInTransaction(async () => {
-        ret = await (function() { return eval(`(${script})(${paramsStr})`); }.call(ctx));
-    });
+    // last \r\n is necessary if script contains line comment on its last line
+    const script = "async function() {\r\n" + bundle.script + "\r\n}";
 
-    return ret;
+    const ctx = new ScriptContext(dataKey, startNote, bundle.allNotes);
+
+    if (await bundle.note.hasAttribute('manual_transaction_handling')) {
+        return await execute(ctx, script, '');
+    }
+    else {
+        return await sql.doInTransaction(async () => execute(ctx, script, ''));
+    }
+}
+
+/**
+ * This method preserves frontend startNode - that's why we start execution from currentNote and override
+ * bundle's startNote.
+ */
+async function executeScript(dataKey, script, params, startNoteId, currentNoteId) {
+    const repository = new Repository(dataKey);
+    const startNote = await repository.getNote(startNoteId);
+    const currentNote = await repository.getNote(currentNoteId);
+
+    currentNote.content = `return await (${script}\r\n)(${getParams(params)})`;
+    currentNote.type = 'code';
+    currentNote.mime = 'application/javascript;env=backend';
+
+    const bundle = await getScriptBundle(currentNote);
+
+    return await executeBundle(dataKey, bundle, startNote);
+}
+
+async function execute(ctx, script, paramsStr) {
+    return await (function() { return eval(`const apiContext = this;\r\n(${script}\r\n)(${paramsStr})`); }.call(ctx));
 }
 
 function getParams(params) {
-    return params.map(p => JSON.stringify(p)).join(",");
+    if (!params) {
+        return params;
+    }
+
+    return params.map(p => {
+        if (typeof p === "string" && p.startsWith("!@#Function: ")) {
+            return p.substr(13);
+        }
+        else {
+            return JSON.stringify(p);
+        }
+    }).join(",");
+}
+
+async function getScriptBundle(note, root = true, scriptEnv = null, includedNoteIds = []) {
+    if (!note.isJavaScript() && !note.isHtml() && note.type !== 'render') {
+        return;
+    }
+
+    if (await note.hasAttribute('disable_inclusion')) {
+        return;
+    }
+
+    if (root) {
+        scriptEnv = note.getScriptEnv();
+    }
+
+    if (note.type !== 'file' && scriptEnv !== note.getScriptEnv()) {
+        return;
+    }
+
+    const bundle = {
+        note: note,
+        script: '',
+        html: '',
+        allNotes: [note]
+    };
+
+    if (includedNoteIds.includes(note.noteId)) {
+        return bundle;
+    }
+
+    includedNoteIds.push(note.noteId);
+
+    const modules = [];
+
+    for (const child of await note.getChildren()) {
+        const childBundle = await getScriptBundle(child, false, scriptEnv, includedNoteIds);
+
+        if (childBundle) {
+            modules.push(childBundle.note);
+            bundle.script += childBundle.script;
+            bundle.html += childBundle.html;
+            bundle.allNotes = bundle.allNotes.concat(childBundle.allNotes);
+        }
+    }
+
+    if (note.isJavaScript()) {
+        bundle.script += `
+apiContext.modules['${note.noteId}'] = {};
+${root ? 'return ' : ''}await (async function(exports, module, api` + (modules.length > 0 ? ', ' : '') +
+            modules.map(child => sanitizeVariableName(child.title)).join(', ') + `) {
+${note.content}
+})({}, apiContext.modules['${note.noteId}'], apiContext.apis['${note.noteId}']` + (modules.length > 0 ? ', ' : '') +
+            modules.map(mod => `apiContext.modules['${mod.noteId}'].exports`).join(', ') + `);
+`;
+    }
+    else if (note.isHtml()) {
+        bundle.html += note.content;
+    }
+
+    return bundle;
+}
+
+function sanitizeVariableName(str) {
+    return str.replace(/[^a-z0-9_]/gim, "");
 }
 
 module.exports = {
-    executeScript
+    executeNote,
+    executeScript,
+    getScriptBundle
 };

src/services/script_context.js

@@ -1,20 +1,42 @@
 const log = require('./log');
 const protected_session = require('./protected_session');
 const notes = require('./notes');
+const sql = require('./sql');
+const utils = require('./utils');
 const attributes = require('./attributes');
 const date_notes = require('./date_notes');
+const config = require('./config');
 const Repository = require('./repository');
+const axios = require('axios');
 
-function ScriptContext(noteId, dataKey) {
-    this.dataKey = protected_session.getDataKey(dataKey);
-    this.repository = new Repository(dataKey);
+function ScriptContext(dataKey, startNote, allNotes) {
+    dataKey = protected_session.getDataKey(dataKey);
+
+    this.modules = {};
+    this.notes = utils.toObject(allNotes, note => [note.noteId, note]);
+    this.apis = utils.toObject(allNotes, note => [note.noteId, new ScriptApi(dataKey, startNote, note)]);
+}
+
+function ScriptApi(dataKey, startNote, currentNote) {
+    const repository = new Repository(dataKey);
+    this.startNote = startNote;
+    this.currentNote = currentNote;
+
+    this.axios = axios;
+
+    this.utils = {
+        unescapeHtml: utils.unescapeHtml,
+        isoDateTimeStr: utils.dateStr
+    };
+
+    this.getInstanceName = () => config.General ? config.General.instanceName : null;
 
     this.getNoteById = async function(noteId) {
-        return this.repository.getNote(noteId);
+        return repository.getNote(noteId);
     };
 
     this.getNotesWithAttribute = async function (attrName, attrValue) {
-        return await attributes.getNotesWithAttribute(this.dataKey, attrName, attrValue);
+        return await attributes.getNotesWithAttribute(repository, attrName, attrValue);
     };
 
     this.getNoteWithAttribute = async function (attrName, attrValue) {
@@ -23,46 +45,22 @@ function ScriptContext(noteId, dataKey) {
         return notes.length > 0 ? notes[0] : null;
     };
 
-    this.createNote = async function (parentNoteId, name, jsonContent, extraOptions = {}) {
-        const note = {
-            title: name,
-            content: extraOptions.json ? JSON.stringify(jsonContent, null, '\t') : jsonContent,
-            target: 'into',
-            isProtected: extraOptions.isProtected !== undefined ? extraOptions.isProtected : false,
-            type: extraOptions.type,
-            mime: extraOptions.mime
-        };
+    this.createNote = async function(parentNoteId, title, content = "", extraOptions = {}) {
+        extraOptions.dataKey = dataKey;
 
-        if (extraOptions.json) {
-            note.type = "code";
-            note.mime = "application/json";
-        }
-
-        if (!note.type) {
-            note.type = "text";
-            note.mime = "text/html";
-        }
-
-        const noteId = (await notes.createNewNote(parentNoteId, note, this.dataKey)).noteId;
-
-        if (extraOptions.attributes) {
-            for (const attrName in extraOptions.attributes) {
-                await attributes.createAttribute(noteId, attrName, extraOptions.attributes[attrName]);
-            }
-        }
-
-        return noteId;
+        return await notes.createNote(parentNoteId, title, content, extraOptions);
     };
 
     this.createAttribute = attributes.createAttribute;
 
-    this.updateEntity = this.repository.updateEntity;
+    this.updateEntity = repository.updateEntity;
 
-    this.log = function(message) {
-        log.info(`Script: ${message}`);
-    };
+    this.log = message => log.info(`Script ${currentNote.noteId}: ${message}`);
 
+    this.getRootCalendarNoteId = date_notes.getRootCalendarNoteId;
     this.getDateNoteId = date_notes.getDateNoteId;
+
+    this.transaction = sql.doInTransaction;
 }
 
 module.exports = ScriptContext;

src/services/sql.js

@@ -195,6 +195,7 @@ async function doInTransaction(func) {
         await transactionPromise;
     }
 
+    let ret = null;
     const error = new Error(); // to capture correct stack trace in case of exception
 
     transactionActive = true;
@@ -202,7 +203,7 @@ async function doInTransaction(func) {
         try {
             await beginTransaction();
 
-            await func();
+            ret = await func();
 
             await commit();
 
@@ -223,6 +224,8 @@ async function doInTransaction(func) {
     if (transactionActive) {
         await transactionPromise;
     }
+
+    return ret;
 }
 
 async function isDbUpToDate() {

src/services/sync.js

@@ -204,6 +204,8 @@ async function pushEntity(sync, syncContext) {
 
     if (sync.entityName === 'notes') {
         entity = await sql.getRow('SELECT * FROM notes WHERE noteId = ?', [sync.entityId]);
+
+        serializeNoteContentBuffer(entity);
     }
     else if (sync.entityName === 'note_tree') {
         entity = await sql.getRow('SELECT * FROM note_tree WHERE noteTreeId = ?', [sync.entityId]);
@@ -258,6 +260,12 @@ async function pushEntity(sync, syncContext) {
     await syncRequest(syncContext, 'PUT', '/api/sync/' + sync.entityName, payload);
 }
 
+function serializeNoteContentBuffer(note) {
+    if (note.type === 'file') {
+        note.content = note.content.toString("binary");
+    }
+}
+
 async function checkContentHash(syncContext) {
     const resp = await syncRequest(syncContext, 'GET', '/api/sync/check');
 
@@ -350,5 +358,6 @@ sql.dbReady.then(() => {
 });
 
 module.exports = {
-    sync
+    sync,
+    serializeNoteContentBuffer
 };

src/services/sync_update.js

@@ -1,10 +1,17 @@
 const sql = require('./sql');
 const log = require('./log');
 const eventLog = require('./event_log');
-const notes = require('./notes');
 const sync_table = require('./sync_table');
 
+function deserializeNoteContentBuffer(note) {
+    if (note.type === 'file') {
+        note.content = new Buffer(note.content, 'binary');
+    }
+}
+
 async function updateNote(entity, sourceId) {
+    deserializeNoteContentBuffer(entity);
+
     const origNote = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [entity.noteId]);
 
     if (!origNote || origNote.dateModified <= entity.dateModified) {

src/services/utils.js

@@ -2,6 +2,7 @@
 
 const crypto = require('crypto');
 const randtoken = require('rand-token').generator({source: 'crypto'});
+const unescape = require('unescape');
 
 function newNoteId() {
     return randomString(12);
@@ -129,6 +130,22 @@ async function stopWatch(what, func) {
     return ret;
 }
 
+function unescapeHtml(str) {
+    return unescape(str);
+}
+
+function toObject(array, fn) {
+    const obj = {};
+
+    for (const item of array) {
+        const ret = fn(item);
+
+        obj[ret[0]] = ret[1];
+    }
+
+    return obj;
+}
+
 module.exports = {
     randomSecureToken,
     randomString,
@@ -153,5 +170,7 @@ module.exports = {
     getDateTimeForFile,
     sanitizeSql,
     assertArguments,
-    stopWatch
+    stopWatch,
+    unescapeHtml,
+    toObject
 };

src/views/index.ejs

@@ -40,22 +40,20 @@
 
       <div class="hide-toggle" style="grid-area: tree-actions;">
         <div style="display: flex; justify-content: space-around; padding: 10px 0 10px 0; margin: 0 20px 0 20px; border: 1px solid #ccc;">
-          <a onclick="noteTree.createNewTopLevelNote()" title="Create new top level note" class="icon-action">
-            <img src="images/icons/file-plus.png" alt="Create new top level note"/>
-          </a>
+          <a onclick="noteTree.createNewTopLevelNote()" title="Create new top level note" class="icon-action"
+             style="background: url('images/icons/file-plus.png')"></a>
 
-          <a onclick="noteTree.collapseTree()" title="Collapse note tree" class="icon-action">
-            <img src="images/icons/list.png" alt="Collapse note tree"/>
-          </a>
+          <a onclick="noteTree.collapseTree()" title="Collapse note tree" class="icon-action"
+             style="background: url('images/icons/list.png')"></a>
 
-          <a onclick="noteTree.scrollToCurrentNote()" title="Scroll to current note. Shortcut CTRL+." class="icon-action">
-            <img src="images/icons/crosshair.png" alt="Scroll to current note"/>
-          </a>
+          <a onclick="noteTree.scrollToCurrentNote()" title="Scroll to current note. Shortcut CTRL+." class="icon-action"
+             style="background: url('images/icons/crosshair.png')"></a>
 
-          <a onclick="searchTree.toggleSearch()" title="Search in notes" class="icon-action">
-            <img src="images/icons/search.png" alt="Search in notes"/>
-          </a>
+          <a onclick="searchTree.toggleSearch()" title="Search in notes" class="icon-action"
+             style="background: url('images/icons/search.png')"></a>
         </div>
+
+        <input type="file" id="import-upload" style="display: none" />
       </div>
 
       <div id="search-box" class="hide-toggle" style="grid-area: search; display: none; padding: 10px; margin-top: 10px;">
@@ -81,17 +79,13 @@
              title="Protect the note so that password will be required to view the note"
              class="icon-action"
              id="protect-button"
-             style="display: none;">
-            <img src="images/icons/lock.png" alt="Protect note"/>
-          </a>
+             style="display: none; background: url('images/icons/lock.png')"></a>
 
           <a onclick="protected_session.unprotectNoteAndSendToServer()"
              title="Unprotect note so that password will not be required to access this note in the future"
              class="icon-action"
              id="unprotect-button"
-             style="display: none;">
-            <img src="images/icons/unlock.png" alt="Unprotect note"/>
-          </a>
+             style="display: none; background: url('images/icons/unlock.png')"></a>
 
           &nbsp;
 
@@ -105,7 +99,7 @@
                   onclick="noteEditor.executeCurrentNote()">Execute <kbd>Ctrl+Enter</kbd></button>
 
           <div class="dropdown" id="note-type">
-            <button id="dLabel" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" class="btn btn-sm">
+            <button data-bind="disable: isDisabled()" id="dLabel" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" class="btn btn-sm">
               Type: <span data-bind="text: typeString()"></span>
               <span class="caret"></span>
             </button>
@@ -130,6 +124,7 @@
               <li><a onclick="noteHistory.showCurrentNoteHistory();"><kbd>Alt+H</kbd> History</a></li>
               <li><a onclick="attributesDialog.showDialog();"><kbd>Alt+A</kbd> Attributes</a></li>
               <li><a onclick="noteSource.showDialog();"><kbd>Ctrl+U</kbd> HTML source</a></li>
+              <li><a onclick="uploadAttachment();">Upload attachment</a></li>
             </ul>
           </div>
         </div>
@@ -141,6 +136,32 @@
         <div id="note-detail-code"></div>
 
         <div id="note-detail-render"></div>
+
+        <div id="note-detail-attachment">
+          <table id="attachment-table">
+            <tr>
+              <th>File name:</th>
+              <td id="attachment-filename"></td>
+            </tr>
+            <tr>
+              <th>File type:</th>
+              <td id="attachment-filetype"></td>
+            </tr>
+            <tr>
+              <th>File size:</th>
+              <td id="attachment-filesize"></td>
+            </tr>
+            <tr>
+              <td>
+                <button id="attachment-download" class="btn btn-primary" type="button">Download</button>
+                &nbsp;
+                <button id="attachment-open" class="btn btn-primary" type="button">Open</button>
+              </td>
+            </tr>
+          </table>
+        </div>
+
+        <input type="file" id="attachment-upload" style="display: none" />
       </div>
 
       <div id="attribute-list">
@@ -449,8 +470,6 @@
     <link href="libraries/fancytree/skin-win8/ui.fancytree.css" rel="stylesheet">
     <script src="libraries/fancytree/jquery.fancytree-all.min.js"></script>
 
-    <script src="libraries/ckeditor/ckeditor.js"></script>
-
     <script src="libraries/jquery.hotkeys.js"></script>
     <script src="libraries/jquery.fancytree.hotkeys.js"></script>
 
@@ -458,15 +477,6 @@
 
     <script src="libraries/knockout.min.js"></script>
 
-    <script src="libraries/codemirror/codemirror.js"></script>
-    <link rel="stylesheet" href="libraries/codemirror/codemirror.css">
-    <script src="libraries/codemirror/addon/mode/loadmode.js"></script>
-    <script src="libraries/codemirror/addon/fold/xml-fold.js"></script>
-    <script src="libraries/codemirror/addon/edit/matchbrackets.js"></script>
-    <script src="libraries/codemirror/addon/edit/matchtags.js"></script>
-    <script src="libraries/codemirror/addon/search/match-highlighter.js"></script>
-    <script src="libraries/codemirror/mode/meta.js"></script>
-
     <link href="stylesheets/style.css" rel="stylesheet">
 
     <script src="javascripts/utils.js"></script>
@@ -481,6 +491,7 @@
     <script src="javascripts/drag_and_drop.js"></script>
     <script src="javascripts/context_menu.js"></script>
     <script src="javascripts/search_tree.js"></script>
+    <script src="javascripts/export.js"></script>
 
     <!-- Note detail -->
     <script src="javascripts/note_editor.js"></script>
@@ -510,5 +521,9 @@
       // final form which is pretty ugly.
       $("#container").show();
     </script>
+
+    <style type="text/css">
+      <%= appCss %>
+    </style>
   </body>
 </html>