cosmetic cleanup, mostly in encryption

This commit is contained in:
azivner 2017-11-08 22:33:08 -05:00
parent cd5f742a7b
commit 4efa00f36b
12 changed files with 74 additions and 80 deletions

View File

@ -16,7 +16,7 @@ const eventLog = (function() {
const result = await $.ajax({ const result = await $.ajax({
url: baseApiUrl + 'event-log', url: baseApiUrl + 'event-log',
type: 'GET', type: 'GET',
error: () => error("Error getting event log.") error: () => showError("Error getting event log.")
}); });
listEl.html(''); listEl.html('');

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@ -27,7 +27,7 @@ const noteHistory = (function() {
historyItems = await $.ajax({ historyItems = await $.ajax({
url: baseApiUrl + 'notes-history/' + noteId, url: baseApiUrl + 'notes-history/' + noteId,
type: 'GET', type: 'GET',
error: () => error("Error getting note history.") error: () => showError("Error getting note history.")
}); });
for (const item of historyItems) { for (const item of historyItems) {

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@ -15,7 +15,7 @@ const recentChanges = (function() {
const result = await $.ajax({ const result = await $.ajax({
url: baseApiUrl + 'recent-changes/', url: baseApiUrl + 'recent-changes/',
type: 'GET', type: 'GET',
error: () => error("Error getting recent changes.") error: () => showError("Error getting recent changes.")
}); });
dialogEl.html(''); dialogEl.html('');

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@ -11,7 +11,7 @@ const recentNotes = (function() {
$.ajax({ $.ajax({
url: baseApiUrl + 'recent-notes', url: baseApiUrl + 'recent-notes',
type: 'GET', type: 'GET',
error: () => error("Error getting recent notes.") error: () => showError("Error getting recent notes.")
}).then(result => { }).then(result => {
list = result.map(r => r.note_id); list = result.map(r => r.note_id);
}); });
@ -23,7 +23,7 @@ const recentNotes = (function() {
$.ajax({ $.ajax({
url: baseApiUrl + 'recent-notes/' + noteTreeId, url: baseApiUrl + 'recent-notes/' + noteTreeId,
type: 'PUT', type: 'PUT',
error: () => error("Error setting recent notes.") error: () => showError("Error setting recent notes.")
}).then(result => { }).then(result => {
list = result.map(r => r.note_id); list = result.map(r => r.note_id);
}); });
@ -35,7 +35,7 @@ const recentNotes = (function() {
$.ajax({ $.ajax({
url: baseApiUrl + 'recent-notes/' + noteIdToRemove, url: baseApiUrl + 'recent-notes/' + noteIdToRemove,
type: 'DELETE', type: 'DELETE',
error: () => error("Error removing note from recent notes.") error: () => showError("Error removing note from recent notes.")
}).then(result => { }).then(result => {
list = result.map(r => r.note_id); list = result.map(r => r.note_id);
}); });

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@ -16,7 +16,7 @@ const settings = (function() {
const settings = await $.ajax({ const settings = await $.ajax({
url: baseApiUrl + 'settings', url: baseApiUrl + 'settings',
type: 'GET', type: 'GET',
error: () => error("Error getting settings.") error: () => showError("Error getting settings.")
}); });
dialogEl.dialog({ dialogEl.dialog({
@ -41,7 +41,7 @@ const settings = (function() {
}), }),
contentType: "application/json", contentType: "application/json",
success: () => { success: () => {
message("Settings change have been saved."); showMessage("Settings change have been saved.");
}, },
error: () => alert("Error occurred during saving settings change.") error: () => alert("Error occurred during saving settings change.")
}); });
@ -95,10 +95,10 @@ settings.addModule((function() {
encryption.setEncryptedDataKey(result.new_encrypted_data_key); encryption.setEncryptedDataKey(result.new_encrypted_data_key);
} }
else { else {
error(result.message); showError(result.message);
} }
}, },
error: () => error("Error occurred during changing password.") error: () => showError("Error occurred during changing password.")
}); });
return false; return false;

View File

@ -8,16 +8,16 @@ const encryption = (function() {
let encryptionDeferred = null; let encryptionDeferred = null;
let dataKey = null; let dataKey = null;
let lastEncryptionOperationDate = null; let lastEncryptionOperationDate = null;
let encryptionSalt = null; let passwordDerivedKeySalt = null;
let encryptedDataKey = null; let encryptedDataKey = null;
let encryptionSessionTimeout = null; let encryptionSessionTimeout = null;
$.ajax({ $.ajax({
url: baseApiUrl + 'settings/all', url: baseApiUrl + 'settings/all',
type: 'GET', type: 'GET',
error: () => error("Error getting encryption settings.") error: () => showError("Error getting encryption settings.")
}).then(settings => { }).then(settings => {
encryptionSalt = settings.password_derived_key_salt; passwordDerivedKeySalt = settings.password_derived_key_salt;
encryptionSessionTimeout = settings.encryption_session_timeout; encryptionSessionTimeout = settings.encryption_session_timeout;
encryptedDataKey = settings.encrypted_data_key; encryptedDataKey = settings.encrypted_data_key;
}); });
@ -34,6 +34,9 @@ const encryption = (function() {
const dfd = $.Deferred(); const dfd = $.Deferred();
if (requireEncryption && dataKey === null) { if (requireEncryption && dataKey === null) {
// if this is entry point then we need to show the app even before the note is loaded
showAppIfHidden();
encryptionDeferred = dfd; encryptionDeferred = dfd;
dialogEl.dialog({ dialogEl.dialog({
@ -54,21 +57,15 @@ const encryption = (function() {
return dfd.promise(); return dfd.promise();
} }
function getDataKey(password) { async function getDataKey(password) {
return computeScrypt(password, encryptionSalt, (key, resolve, reject) => { const passwordDerivedKey = await computeScrypt(password, passwordDerivedKeySalt);
const dataKeyAes = getDataKeyAes(key);
const decryptedDataKey = decrypt(dataKeyAes, encryptedDataKey); const dataKeyAes = getDataKeyAes(passwordDerivedKey);
if (decryptedDataKey === false) { return decrypt(dataKeyAes, encryptedDataKey);
reject("Wrong password.");
}
resolve(decryptedDataKey);
});
} }
function computeScrypt(password, salt, callback) { function computeScrypt(password, salt) {
const normalizedPassword = password.normalize('NFKC'); const normalizedPassword = password.normalize('NFKC');
const passwordBuffer = new buffer.SlowBuffer(normalizedPassword); const passwordBuffer = new buffer.SlowBuffer(normalizedPassword);
const saltBuffer = new buffer.SlowBuffer(salt); const saltBuffer = new buffer.SlowBuffer(salt);
@ -78,22 +75,15 @@ const encryption = (function() {
// 32 byte key - AES 256 // 32 byte key - AES 256
const dkLen = 32; const dkLen = 32;
const startedDate = new Date();
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
scrypt(passwordBuffer, saltBuffer, N, r, p, dkLen, (error, progress, key) => { scrypt(passwordBuffer, saltBuffer, N, r, p, dkLen, (error, progress, key) => {
if (error) { if (error) {
console.log("Error: " + error); showError(error);
reject(); reject(error);
} }
else if (key) { else if (key) {
console.log("Computation took " + (new Date().getTime() - startedDate.getTime()) + "ms"); resolve(key);
callback(key, resolve, reject);
}
else {
// update UI with progress complete
} }
}); });
}); });
@ -115,31 +105,28 @@ const encryption = (function() {
} }
} }
encryptionPasswordFormEl.submit(() => { async function setupEncryptionSession() {
const password = encryptionPasswordEl.val(); const password = encryptionPasswordEl.val();
encryptionPasswordEl.val(""); encryptionPasswordEl.val("");
getDataKey(password).then(key => { const key = await getDataKey(password);
dialogEl.dialog("close"); if (key === false) {
showError("Wrong password!");
return;
}
dataKey = key; dialogEl.dialog("close");
decryptTreeItems(); dataKey = key;
if (encryptionDeferred !== null) { decryptTreeItems();
encryptionDeferred.resolve();
encryptionDeferred = null; if (encryptionDeferred !== null) {
} encryptionDeferred.resolve();
})
.catch(reason => {
console.log(reason);
error(reason); encryptionDeferred = null;
}); }
}
return false;
});
function resetEncryptionSession() { function resetEncryptionSession() {
dataKey = null; dataKey = null;
@ -151,12 +138,6 @@ const encryption = (function() {
} }
} }
setInterval(() => {
if (lastEncryptionOperationDate !== null && new Date().getTime() - lastEncryptionOperationDate.getTime() > encryptionSessionTimeout * 1000) {
resetEncryptionSession();
}
}, 5000);
function isEncryptionAvailable() { function isEncryptionAvailable() {
return dataKey !== null; return dataKey !== null;
} }
@ -167,8 +148,8 @@ const encryption = (function() {
return new aesjs.ModeOfOperation.ctr(dataKey, new aesjs.Counter(5)); return new aesjs.ModeOfOperation.ctr(dataKey, new aesjs.Counter(5));
} }
function getDataKeyAes(key) { function getDataKeyAes(passwordDerivedKey) {
return new aesjs.ModeOfOperation.ctr(key, new aesjs.Counter(5)); return new aesjs.ModeOfOperation.ctr(passwordDerivedKey, new aesjs.Counter(5));
} }
function encryptNoteIfNecessary(note) { function encryptNoteIfNecessary(note) {
@ -264,7 +245,7 @@ const encryption = (function() {
const result = await $.ajax({ const result = await $.ajax({
url: baseApiUrl + 'notes-history/' + noteId + "?encryption=" + (encrypt ? 0 : 1), url: baseApiUrl + 'notes-history/' + noteId + "?encryption=" + (encrypt ? 0 : 1),
type: 'GET', type: 'GET',
error: () => error("Error getting note history.") error: () => showError("Error getting note history.")
}); });
for (const row of result) { for (const row of result) {
@ -284,7 +265,7 @@ const encryption = (function() {
type: 'PUT', type: 'PUT',
contentType: 'application/json', contentType: 'application/json',
data: JSON.stringify(row), data: JSON.stringify(row),
error: () => error("Error de/encrypting note history.") error: () => showError("Error de/encrypting note history.")
}); });
console.log('Note history ' + row.note_history_id + ' de/encrypted'); console.log('Note history ' + row.note_history_id + ' de/encrypted');
@ -342,7 +323,7 @@ const encryption = (function() {
} }
}); });
message("Encryption finished."); showMessage("Encryption finished.");
} }
async function decryptSubTree(noteId) { async function decryptSubTree(noteId) {
@ -369,7 +350,7 @@ const encryption = (function() {
} }
}); });
message("Decryption finished."); showMessage("Decryption finished.");
} }
function updateSubTreeRecursively(noteId, updateCallback, successCallback) { function updateSubTreeRecursively(noteId, updateCallback, successCallback) {
@ -412,17 +393,26 @@ const encryption = (function() {
successCallback(note); successCallback(note);
} }
}, },
error: () => { error: () => showError("Updating " + noteId + " failed.")
console.log("Updating " + noteId + " failed.");
}
}); });
}, },
error: () => { error: () => showError("Reading " + noteId + " failed.")
console.log("Reading " + noteId + " failed.");
}
}); });
} }
encryptionPasswordFormEl.submit(() => {
setupEncryptionSession();
return false;
});
setInterval(() => {
if (lastEncryptionOperationDate !== null && new Date().getTime() - lastEncryptionOperationDate.getTime() > encryptionSessionTimeout * 1000) {
resetEncryptionSession();
}
}, 5000);
return { return {
setEncryptedDataKey, setEncryptedDataKey,
setEncryptionSessionTimeout, setEncryptionSessionTimeout,

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@ -40,6 +40,6 @@ $("#run-migration").click(() => {
$("#migration-table").append(row); $("#migration-table").append(row);
} }
}, },
error: () => error("Migration failed with unknown error") error: () => showError("Migration failed with unknown error")
}); });
}); });

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@ -104,13 +104,13 @@ const noteEditor = (function() {
data: JSON.stringify(note), data: JSON.stringify(note),
contentType: "application/json", contentType: "application/json",
error: () => { error: () => {
error("Error saving the note!"); showError("Error saving the note!");
} }
}); });
isNoteChanged = false; isNoteChanged = false;
message("Saved!"); showMessage("Saved!");
} }
function createNewTopLevelNote() { function createNewTopLevelNote() {
@ -165,7 +165,7 @@ const noteEditor = (function() {
node.renderTitle(); node.renderTitle();
} }
message("Created!"); showMessage("Created!");
} }
function setTreeBasedOnEncryption(note) { function setTreeBasedOnEncryption(note) {

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@ -33,7 +33,7 @@ const status = (function() {
} }
if (resp.changedCurrentNote) { if (resp.changedCurrentNote) {
message('Reloading note because background change'); showMessage('Reloading note because background change');
noteEditor.reload(); noteEditor.reload();
} }

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@ -8,16 +8,16 @@ function syncNow() {
if (result.success) { if (result.success) {
status.checkStatus(); status.checkStatus();
message("Sync finished successfully."); showMessage("Sync finished successfully.");
} }
else { else {
if (result.message.length > 50) { if (result.message.length > 50) {
result.message = result.message.substr(0, 50); result.message = result.message.substr(0, 50);
} }
error("Sync failed: " + result.message); showError("Sync failed: " + result.message);
} }
}, },
error: () => error("Sync failed for unknown reason.") error: () => showError("Sync failed for unknown reason.")
}); });
} }

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@ -1,6 +1,8 @@
"use strict"; "use strict";
function message(str) { function showMessage(str) {
console.log("message: ", str);
const top = $("#top-message"); const top = $("#top-message");
top.fadeIn(1500).css("display","inline-block"); top.fadeIn(1500).css("display","inline-block");
@ -8,7 +10,9 @@ function message(str) {
top.fadeOut(1500); top.fadeOut(1500);
} }
function error(str) { function showError(str) {
console.log("error: ", str);
const error = $("#error-message"); const error = $("#error-message");
error.show().css("display","inline-block"); error.show().css("display","inline-block");

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@ -21,7 +21,7 @@ function info(message) {
} }
function error(message) { function error(message) {
// we're using .info() instead of .error() because simple-node-logger emits weird error for error() // we're using .info() instead of .error() because simple-node-logger emits weird error for showError()
info(message); info(message);
} }