note titles are now encrypted as well - plus auto-decryption of note tree and unloading

This commit is contained in:
azivner 2017-09-06 23:13:39 -04:00
parent 91245ab5b8
commit fe3d3c1995
4 changed files with 55 additions and 27 deletions

View file

@ -12,6 +12,7 @@ def getTree():
"notes_tree.*, "
"COALESCE(clone.note_title, notes.note_title) as note_title, "
"notes.note_clone_id, "
"notes.encryption, "
"case when notes.note_clone_id is null or notes.note_clone_id = '' then 0 else 1 end as is_clone "
"from notes_tree "
"join notes on notes.note_id = notes_tree.note_id "

View file

@ -91,6 +91,16 @@ $("#encryptionPasswordForm").submit(function() {
globalEncryptionKey = key;
for (const noteId of globalAllNoteIds) {
const note = getNodeByKey(noteId);
if (note.data.encryption > 0) {
const title = decryptString(note.data.note_title);
note.setTitle(title);
}
}
if (globalEncryptionCallback !== null) {
globalEncryptionCallback();
@ -110,6 +120,14 @@ function getAes() {
if (globalNote.detail.encryption > 0) {
loadNote(globalNote.detail.note_id);
for (const noteId of globalAllNoteIds) {
const note = getNodeByKey(noteId);
if (note.data.encryption > 0) {
note.setTitle("[encrypted]");
}
}
}
}
}, globalEncryptionKeyTimeToLive + 1000);
@ -126,16 +144,29 @@ function encryptNoteIfNecessary(note) {
}
}
function encryptNote(note) {
function encryptString(str) {
const aes = getAes();
const noteJson = note.detail.note_text;
const bytes = aesjs.utils.utf8.toBytes(str);
const noteBytes = aesjs.utils.utf8.toBytes(noteJson);
const encryptedBytes = aes.encrypt(bytes);
const encryptedBytes = aes.encrypt(noteBytes);
return uint8ToBase64(encryptedBytes);
}
// To print or store the binary data, you may convert it to hex
note.detail.note_text = uint8ToBase64(encryptedBytes);
function decryptString(encryptedBase64) {
const aes = getAes();
const encryptedBytes = base64ToUint8Array(encryptedBase64);
const decryptedBytes = aes.decrypt(encryptedBytes);
return aesjs.utils.utf8.fromBytes(decryptedBytes);
}
function encryptNote(note) {
note.detail.note_title = encryptString(note.detail.note_title);
note.detail.note_text = encryptString(note.detail.note_text);
note.detail.encryption = 1;
return note;
}
@ -148,8 +179,6 @@ function encryptNoteAndSendToServer() {
encryptNote(note);
note.detail.encryption = 1;
saveNoteToServer(note);
setNoteBackgroundIfEncrypted(note);
@ -171,19 +200,12 @@ function decryptNoteAndSendToServer() {
}
function decryptNoteIfNecessary(note) {
if (note.detail.encryption === 1) {
return decryptNote(note.detail.note_text);
}
else {
return note.detail.note_text;
if (note.detail.encryption > 0) {
return decryptNote(note);
}
}
function decryptNote(encryptedBase64) {
const aes = getAes();
const encryptedBytes = base64ToUint8Array(encryptedBase64);
const decryptedBytes = aes.decrypt(encryptedBytes);
return aesjs.utils.utf8.fromBytes(decryptedBytes);
function decryptNote(note) {
note.detail.note_title = decryptString(note.detail.note_title);
note.detail.note_text = decryptString(note.detail.note_text);
}

View file

@ -158,8 +158,6 @@ function loadNote(noteId) {
$.get(baseUrl + 'notes/' + noteId).then(function(note) {
globalNote = note;
$("#noteTitle").val(note.detail.note_title);
if (newNoteCreated) {
newNoteCreated = false;
@ -177,7 +175,9 @@ function loadNote(noteId) {
$("#encryptionPassword").val('');
note.detail.note_text = decryptNoteIfNecessary(note);
decryptNoteIfNecessary(note);
$("#noteTitle").val(note.detail.note_title);
let noteText = notecase2html(note);

View file

@ -164,11 +164,16 @@ $(function(){
for (const note of notes) {
globalAllNoteIds.push(note.note_id);
if (note.encryption > 0) {
note.title = "[encrypted]";
}
else {
note.title = note.note_title;
if (note.is_clone) {
note.title += " (clone)";
}
}
note.key = note.note_id;
note.expanded = note.is_expanded;