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address decryptOrPromptPassword(), decryptPaste() and decryptAttachment() async compatibility

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This commit is contained in:
El RIDO 2018-10-20 09:56:05 +02:00
parent c0d3b9062b
commit ff8ec5a1a0
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GPG key ID: 0F5C940A6BD81F92
3 changed files with 48 additions and 59 deletions
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77
js/privatebin.js
View file

@ -4133,6 +4133,7 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
*
* @name PasteDecrypter.decryptOrPromptPassword
* @private
* @async
* @function
* @param {string} key
* @param {string} password - optional, may be an empty string
@ -4140,10 +4141,10 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* @throws {string}
* @return {false|string} false, when unsuccessful or string (decrypted data)
*/
function decryptOrPromptPassword(key, password, cipherdata)
async function decryptOrPromptPassword(key, password, cipherdata)
{
// try decryption without password
var plaindata = CryptTool.decipher(key, password, cipherdata);
var plaindata = await CryptTool.decipher(key, password, cipherdata);
// if it fails, request password
if (plaindata.length === 0 && password.length === 0) {
@ -4168,6 +4169,7 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
*
* @name PasteDecrypter.decryptPaste
* @private
* @async
* @function
* @param {object} paste - paste data in object form
* @param {string} key
@ -4176,21 +4178,19 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* @return {bool} whether action was successful
* @throws {string}
*/
function decryptPaste(paste, key, password, ignoreError)
async function decryptPaste(paste, key, password, ignoreError)
{
var plaintext;
let decyptionPromise;
if (ignoreError === true) {
plaintext = CryptTool.decipher(key, password, paste.data);
decyptionPromise = CryptTool.decipher(key, password, paste.data);
} else {
try {
plaintext = decryptOrPromptPassword(key, password, paste.data);
} catch (err) {
throw 'failed to decipher paste text: ' + err;
decyptionPromise = decryptOrPromptPassword(key, password, paste.data);
}
return decyptionPromise.then((plaintext) => {
if (plaintext === false) {
return false;
}
}
// on success show paste
PasteViewer.setFormat(paste.meta.formatter);
@ -4199,6 +4199,9 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
PasteViewer.run();
return true;
}).catch((err) => {
throw 'failed to decipher paste text: ' + err;
});
}
/**
@ -4206,6 +4209,7 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
*
* @name PasteDecrypter.decryptAttachment
* @private
* @async
* @function
* @param {object} paste - paste data in object form
* @param {string} key
@ -4213,36 +4217,26 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* @return {bool} whether action was successful
* @throws {string}
*/
function decryptAttachment(paste, key, password)
async function decryptAttachment(paste, key, password)
{
var attachment, attachmentName;
// decrypt attachment
try {
attachment = decryptOrPromptPassword(key, password, paste.attachment);
} catch (err) {
let attachmentPromise = decryptOrPromptPassword(key, password, paste.attachment);
let attachmentNamePromise = decryptOrPromptPassword(key, password, paste.attachmentname);
attachmentPromise.catch((err) => {
throw 'failed to decipher attachment: ' + err;
}
if (attachment === false) {
return false;
}
// decrypt attachment name
if (paste.attachmentname) {
try {
attachmentName = decryptOrPromptPassword(key, password, paste.attachmentname);
} catch (err) {
})
attachmentNamePromise.catch((err) => {
throw 'failed to decipher attachment name: ' + err;
}
if (attachmentName === false) {
})
Promise.all([attachmentPromise, attachmentNamePromise]).then((results) => {
if (results.some((result) => {
return result === false;
})) {
return false;
}
}
AttachmentViewer.setAttachment(attachment, attachmentName);
AttachmentViewer.setAttachment(results[0], results[1]);
AttachmentViewer.showAttachment();
return true;
})
}
/**
@ -4300,20 +4294,17 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
// try to decrypt the paste
try {
// decrypt attachments
if (paste.attachment) {
if (AttachmentViewer.hasAttachmentData()) {
if (paste.attachment && AttachmentViewer.hasAttachmentData()) {
// try to decrypt paste and if it fails (because the password is
// missing) return to let JS continue and wait for user
if (!decryptAttachment(paste, key, password)) {
return;
}
}
decryptAttachment(paste, key, password).then((attachementIsDecrypted) => {
if (attachementIsDecrypted) {
// ignore empty paste, as this is allowed when pasting attachments
decryptPaste(paste, key, password, true);
} else {
if (decryptPaste(paste, key, password) === false) {
return false;
}
});
} else {
decryptPaste(paste, key, password)
}
// shows the remaining time (until) deletion
@ -4472,8 +4463,6 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
// restore position
window.scrollTo(0, orgPosition);
PasteDecrypter.run(data);
// NOTE: could create problems as callback may be called
// asyncronously if PasteDecrypter e.g. needs to wait for a
// password being entered

2
tpl/bootstrap.php
View file

@ -71,7 +71,7 @@ if ($MARKDOWN):
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-TueCJSPy2oHZv94r1sC8F7u/4KJGyI7D7qSRW9oOdyE0UnMeAvAgiAGgspAkiDkhi31QmDZ0J8GcORF2IojR5g==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-koPew9AjZ8OBU64pQG50jLX+yTDw/i4smvV618aGUG1NX+LpEvAVhjQ7K7/Iprxr2ZHksz5BToLYf54G5IewHA==" 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

@ -49,7 +49,7 @@ if ($MARKDOWN):
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-TueCJSPy2oHZv94r1sC8F7u/4KJGyI7D7qSRW9oOdyE0UnMeAvAgiAGgspAkiDkhi31QmDZ0J8GcORF2IojR5g==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-koPew9AjZ8OBU64pQG50jLX+yTDw/i4smvV618aGUG1NX+LpEvAVhjQ7K7/Iprxr2ZHksz5BToLYf54G5IewHA==" 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]-->