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switching to client side libraries for key generation, remove legacy browser support

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This commit is contained in:
El RIDO 2018-08-04 22:30:01 +02:00
parent c9a3bb08ee
commit 6f25d651b7
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GPG key ID: 0F5C940A6BD81F92
17 changed files with 67 additions and 146 deletions
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4
i18n/de.json
View file

@ -112,8 +112,6 @@
"Fehler auf dem Server oder keine Antwort vom Server",
"Could not post comment: %s":
"Konnte Kommentar nicht senden: %s",
"Please move your mouse for more entropy…":
"Bitte bewege Deine Maus um die Entropie zu erhöhen…",
"Sending paste…":
"Sende Paste…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ kein Paste-Text +++",
"Could not get paste data: %s":
"Konnte Paste nicht laden: %s"
}
}

4
i18n/es.json
View file

@ -112,8 +112,6 @@
"Error del servidor o el servidor no responde",
"Could not post comment: %s":
"No fue posible publicar comentario: %s",
"Please move your mouse for more entropy…":
"Por favor, mueva el ratón para mayor entropía…",
"Sending paste…":
"Enviando texto…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ sin texto +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/fr.json
View file

@ -112,8 +112,6 @@
"Le serveur ne répond pas ou a rencontré une erreur",
"Could not post comment: %s":
"Impossible de poster le commentaire : %s",
"Please move your mouse for more entropy…":
"Merci de bouger votre souris pour plus d'entropie…",
"Sending paste…":
"Envoi du paste…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -165,4 +163,4 @@
"+++ no paste text +++": "+++ pas de paste-text +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/hu.json
View file

@ -112,8 +112,6 @@
"A szerveren hiba lépett fel vagy nem válaszol.",
"Could not post comment: %s":
"Nem tudtuk beküldeni a hozzászólást: %s",
"Please move your mouse for more entropy…":
"Nincs elég véletlenszerűség a rendszerben. Mozgasd az egered, hogy növeld az entrópiát.",
"Sending paste…":
"Bejegyzés elküldése...",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ nincs beillesztett szöveg +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/it.json
View file

@ -112,8 +112,6 @@
"errore o mancata risposta dal server",
"Could not post comment: %s":
"Impossibile inviare il commento: %s",
"Please move your mouse for more entropy…":
"Muovi il mouse in modo casuale, per generare maggior entropia…",
"Sending paste…":
"Messaggio in fase di invio…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ nessun testo nel messaggio +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/nl.json
View file

@ -112,8 +112,6 @@
"Serverfout of server reageert niet",
"Could not post comment: %s":
"Kon het commentaar niet plaatsen: %s",
"Please move your mouse for more entropy…":
"Aub uw muis bewegen voor meer entropie…",
"Sending paste…":
"Geplakte tekst verzenden…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ geen geplakte tekst +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/no.json
View file

@ -112,8 +112,6 @@
"tjener feilet eller svarer ikke",
"Could not post comment: %s":
"Kunne ikke sende kommentar: %s",
"Please move your mouse for more entropy…":
"Flytt musen for mer entropi…",
"Sending paste…":
"Sender innlegg…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ ingen innleggstekst +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/oc.json
View file

@ -112,8 +112,6 @@
"Lo servidor respond pas o a rencontrat una error",
"Could not post comment: %s":
"Impossible de mandar lo comentari : %s",
"Please move your mouse for more entropy…":
"Mercés de bolegar vòstra mirga per mai entropia…",
"Sending paste…":
"Mandadís del tèxte…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -165,4 +163,4 @@
"+++ no paste text +++": "+++ cap de tèxte pegat +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/pl.json
View file

@ -112,8 +112,6 @@
"bląd serwera lub brak odpowiedzi",
"Could not post comment: %s":
"Nie udało się wysłać komentarza: %s",
"Please move your mouse for more entropy…":
"Proszę poruszać myszą aby uzyskać większą entropię…",
"Sending paste…":
"Wysyłanie wklejki…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ no paste text +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/pt.json
View file

@ -112,8 +112,6 @@
"Servidor em erro ou não responsivo",
"Could not post comment: %s":
"Não foi possível publicar o comentário: %s",
"Please move your mouse for more entropy…":
"Por favor, mova o mouse para maior entropia…",
"Sending paste…":
"Enviando cópia…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -156,4 +154,4 @@
"+++ no paste text +++": "+++ sem texto de cópia +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

4
i18n/ru.json
View file

@ -112,8 +112,6 @@
"ошибка сервера или нет ответа",
"Could not post comment: %s":
"Не удалось опубликовать комментарий: %s",
"Please move your mouse for more entropy…":
"Пожалуйста двигайте мышкой для большей энтропии…",
"Sending paste…":
"Отправка записи…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":
@ -166,4 +164,4 @@
"+++ no paste text +++": "+++ в записи нет текста +++",
"Could not get paste data: %s":
"Could not get paste data: %s"
}
}

2
i18n/sl.json
View file

@ -112,8 +112,6 @@
"napaka na strežniku, ali pa se strežnik ne odziva",
"Could not post comment: %s":
"Komentarja ni bilo mogoče objaviti : %s",
"Please move your mouse for more entropy…":
"Prosim premakni svojo miško za več entropije…",
"Sending paste…":
"Pošiljam prilepek…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":

2
i18n/zh.json
View file

@ -112,8 +112,6 @@
"服务器错误或无回应",
"Could not post comment: %s":
"无法发送评论： %s",
"Please move your mouse for more entropy…":
"请移动鼠标增加随机性…",
"Sending paste…":
"粘贴提交中…",
"Your paste is <a id=\"pasteurl\" href=\"%s\">%s</a> <span id=\"copyhint\">(Hit [Ctrl]+[c] to copy)</span>":

136
js/privatebin.js
View file

@ -23,11 +23,6 @@
/** global: sjcl */
/** global: kjua */
// Immediately start random number generator collector.
sjcl.random.startCollectors();
// Setting this to 10 ensures 1024 bits of entropy get collected before generating the paste key
sjcl.random.setDefaultParanoia(10);
// main application start, called when DOM is fully loaded
jQuery(document).ready(function() {
'use strict';
@ -257,7 +252,7 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
// check whether a bot user agent part can be found in the current
// user agent
var arrayLength = BadBotUA.length;
for (var i = 0; i < arrayLength; i++) {
for (var i = 0; i < arrayLength; ++i) {
if (navigator.userAgent.indexOf(BadBotUA) >= 0) {
return true;
}
@ -609,40 +604,40 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
}
};
/**
* checks whether the crypt tool has collected enough entropy
*
* @name CryptTool.isEntropyReady
* @function
* @return {bool}
*/
me.isEntropyReady = function()
{
return sjcl.random.isReady();
};
/**
* add a listener function, triggered when enough entropy is available
*
* @name CryptTool.addEntropySeedListener
* @function
* @param {function} func
*/
me.addEntropySeedListener = function(func)
{
sjcl.random.addEventListener('seeded', func);
};
/**
* returns a random symmetric key
*
* generates 256 bit long keys (8 Bits * 32) for AES with 256 bit long blocks
*
* @name CryptTool.getSymmetricKey
* @function
* @return {string} func
* @throws {string}
* @return {string} base64 encoded key
*/
me.getSymmetricKey = function()
{
return sjcl.codec.base64.fromBits(sjcl.random.randomWords(8, 10), 0);
var crypto, key;
if (typeof module !== 'undefined' && module.exports) {
// node environment
key = require('crypto').randomBytes(32).toString('base64');
} else if (
typeof window !== 'undefined' &&
typeof Uint8Array !== 'undefined' &&
String.fromCodePoint &&
(crypto = window.crypto || window.msCrypto)
) {
// modern browser environment
var bytes = '', byteArray = new Uint8Array(32);
crypto.getRandomValues(byteArray);
for (var i = 0; i < 32; ++i) {
bytes += String.fromCharCode(byteArray[i]);
}
key = btoa(bytes);
} else {
// legacy browser or unsupported environment
throw 'No supported crypto API detected, you may read pastes and post comments, but can\'t create pastes.';
}
return key;
};
return me;
@ -2028,13 +2023,13 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
// extract mediaType
var mediaType = attachmentData.substring(5, mediaTypeEnd);
// extract data and convert to binary
var decodedData = Base64.atob(attachmentData.substring(base64Start));
var decodedData = atob(attachmentData.substring(base64Start));
// Transform into a Blob
var decodedDataLength = decodedData.length;
var buf = new Uint8Array(decodedDataLength);
for (var i = 0; i < decodedDataLength; i++) {
for (var i = 0; i < decodedDataLength; ++i) {
buf[i] = decodedData.charCodeAt(i);
}
@ -2373,16 +2368,13 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
function addClipboardEventHandler() {
$(document).on('paste', function (event) {
var items = (event.clipboardData || event.originalEvent.clipboardData).items;
for (var i in items) {
if (items.hasOwnProperty(i)) {
var item = items[i];
if (item.kind === 'file') {
//Clear the file input:
$fileInput.wrap('<form>').closest('form').get(0).reset();
$fileInput.unwrap();
for (var i = 0; i < items.length; ++i) {
if (items[i].kind === 'file') {
//Clear the file input:
$fileInput.wrap('<form>').closest('form').get(0).reset();
$fileInput.unwrap();
readFileData(item.getAsFile());
}
readFileData(items[i].getAsFile());
}
}
});
@ -2890,7 +2882,7 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
var $head = $('head').children().not('noscript, script, link[type="text/css"]');
var newDoc = document.open('text/html', 'replace');
newDoc.write('<!DOCTYPE html><html><head>');
for (var i = 0; i < $head.length; i++) {
for (var i = 0; i < $head.length; ++i) {
newDoc.write($head[i].outerHTML);
}
newDoc.write('</head><body><pre>' + DOMPurify.sanitize(paste) + '</pre></body></html>');
@ -3405,7 +3397,7 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
symmetricKey = CryptTool.getSymmetricKey();
break;
default:
console.error('current invalid symmetricKey:', symmetricKey);
console.error('current invalid symmetricKey: ', symmetricKey);
throw 'symmetricKey is invalid, probably the module was not prepared';
}
// password is optional
@ -3658,34 +3650,6 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
var requirementsChecked = false;
/**
* checks whether there is a suitable amount of entrophy
*
* @name PasteEncrypter.checkRequirements
* @private
* @function
* @param {function} retryCallback - the callback to execute to retry the upload
* @return {bool}
*/
function checkRequirements(retryCallback) {
// skip double requirement checks
if (requirementsChecked === true) {
return true;
}
if (!CryptTool.isEntropyReady()) {
// display a message and wait
Alert.showStatus('Please move your mouse for more entropy…');
CryptTool.addEntropySeedListener(retryCallback);
return false;
}
requirementsChecked = true;
return true;
}
/**
* called after successful paste upload
*
@ -3801,13 +3765,6 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
return;
}
// check entropy
if (!checkRequirements(function () {
me.sendComment();
})) {
return; // to prevent multiple executions
}
// prepare Uploader
Uploader.prepare();
Uploader.setCryptParameters(Prompt.getPassword(), Model.getPasteKey());
@ -3839,7 +3796,11 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
}
// encrypt data
Uploader.setData('data', plainText);
try {
Uploader.setData('data', plainText);
} catch (e) {
Alert.showError(e);
}
if (nickname.length > 0) {
Uploader.setData('nickname', nickname);
@ -3878,13 +3839,6 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
return;
}
// check entropy
if (!checkRequirements(function () {
me.sendPaste();
})) {
return; // to prevent multiple executions
}
// prepare Uploader
Uploader.prepare();
Uploader.setCryptParameters(TopNav.getPassword());
@ -3915,7 +3869,11 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
PasteViewer.setFormat(format);
// encrypt cipher data
Uploader.setData('data', plainText);
try {
Uploader.setData('data', plainText);
} catch (e) {
Alert.showError(e);
}
// encrypt attachments
encryptAttachments(

25
js/test/CryptTool.js
View file

@ -161,28 +161,14 @@ describe('CryptTool', function () {
);
});
describe('isEntropyReady & addEntropySeedListener', function () {
it(
'lets us know that enough entropy is collected or make us wait for it',
function(done) {
if ($.PrivateBin.CryptTool.isEntropyReady()) {
done();
} else {
$.PrivateBin.CryptTool.addEntropySeedListener(function() {
done();
});
}
}
);
});
describe('getSymmetricKey', function () {
var keys = [];
// the parameter is used to ensure the test is run more then one time
jsc.property(
'returns random, non-empty keys',
function() {
'integer',
function(counter) {
var key = $.PrivateBin.CryptTool.getSymmetricKey(),
result = (key !== '' && keys.indexOf(key) === -1);
keys.push(key);
@ -198,8 +184,11 @@ describe('CryptTool', function () {
function(string) {
var base64 = Base64.toBase64(string),
sjcl = global.sjcl.codec.base64.fromBits(global.sjcl.codec.utf8String.toBits(string)),
abab = window.btoa(Base64.utob(string));
return base64 === sjcl && sjcl === abab;
abab = window.btoa(Base64.utob(string)),
esab46 = Base64.fromBase64(sjcl),
lcjs = global.sjcl.codec.utf8String.fromBits(global.sjcl.codec.base64.toBits(abab)),
baba = Base64.btou(window.atob(base64));
return base64 === sjcl && sjcl === abab && string === esab46 && esab46 === lcjs && lcjs === baba;
}
);
});

2
tpl/bootstrap.php
View file

@ -75,7 +75,7 @@ if ($MARKDOWN):
<?php
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-o5ooD/VR75PQ2XkiYR0Pnyl1pjRRaeReJM7l1dUuEKXqlkP9Uv8bTR5QfbxiD0eCT2Vsm1SpjgPNhTdwr7zaQg==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-vTDM48hkMcvb74F78/Fm9JoOF932zswXunyRUPhdpWQtcl5DzLc5gibjSFUNs+ouQiuI+qp6tIdEiTjqy/vqig==" crossorigin="anonymous"></script>
<!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]-->

2
tpl/page.php
View file

@ -53,7 +53,7 @@ if ($MARKDOWN):
<?php
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-o5ooD/VR75PQ2XkiYR0Pnyl1pjRRaeReJM7l1dUuEKXqlkP9Uv8bTR5QfbxiD0eCT2Vsm1SpjgPNhTdwr7zaQg==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-vTDM48hkMcvb74F78/Fm9JoOF932zswXunyRUPhdpWQtcl5DzLc5gibjSFUNs+ouQiuI+qp6tIdEiTjqy/vqig==" crossorigin="anonymous"></script>
<!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]-->