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

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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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103
js/privatebin.js
View File

@ -4133,6 +4133,7 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* *
* @name PasteDecrypter.decryptOrPromptPassword * @name PasteDecrypter.decryptOrPromptPassword
* @private * @private
* @async
* @function * @function
* @param {string} key * @param {string} key
* @param {string} password - optional, may be an empty string * @param {string} password - optional, may be an empty string
@ -4140,10 +4141,10 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* @throws {string} * @throws {string}
* @return {false|string} false, when unsuccessful or string (decrypted data) * @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 // 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 it fails, request password
if (plaindata.length === 0 && password.length === 0) { if (plaindata.length === 0 && password.length === 0) {
@ -4168,6 +4169,7 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* *
* @name PasteDecrypter.decryptPaste * @name PasteDecrypter.decryptPaste
* @private * @private
* @async
* @function * @function
* @param {object} paste - paste data in object form * @param {object} paste - paste data in object form
* @param {string} key * @param {string} key
@ -4176,29 +4178,30 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* @return {bool} whether action was successful * @return {bool} whether action was successful
* @throws {string} * @throws {string}
*/ */
function decryptPaste(paste, key, password, ignoreError) async function decryptPaste(paste, key, password, ignoreError)
{ {
var plaintext; let decyptionPromise;
if (ignoreError === true) { if (ignoreError === true) {
plaintext = CryptTool.decipher(key, password, paste.data); decyptionPromise = CryptTool.decipher(key, password, paste.data);
} else { } else {
try { decyptionPromise = decryptOrPromptPassword(key, password, paste.data);
plaintext = decryptOrPromptPassword(key, password, paste.data); }
} catch (err) {
throw 'failed to decipher paste text: ' + err; return decyptionPromise.then((plaintext) => {
}
if (plaintext === false) { if (plaintext === false) {
return false; return false;
} }
}
// on success show paste // on success show paste
PasteViewer.setFormat(paste.meta.formatter); PasteViewer.setFormat(paste.meta.formatter);
PasteViewer.setText(plaintext); PasteViewer.setText(plaintext);
// trigger to show the text (attachment loaded afterwards) // trigger to show the text (attachment loaded afterwards)
PasteViewer.run(); PasteViewer.run();
return true; return true;
}).catch((err) => {
throw 'failed to decipher paste text: ' + err;
});
} }
/** /**
@ -4206,6 +4209,7 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* *
* @name PasteDecrypter.decryptAttachment * @name PasteDecrypter.decryptAttachment
* @private * @private
* @async
* @function * @function
* @param {object} paste - paste data in object form * @param {object} paste - paste data in object form
* @param {string} key * @param {string} key
@ -4213,36 +4217,26 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
* @return {bool} whether action was successful * @return {bool} whether action was successful
* @throws {string} * @throws {string}
*/ */
function decryptAttachment(paste, key, password) async function decryptAttachment(paste, key, password)
{ {
var attachment, attachmentName; let attachmentPromise = decryptOrPromptPassword(key, password, paste.attachment);
let attachmentNamePromise = decryptOrPromptPassword(key, password, paste.attachmentname);
// decrypt attachment attachmentPromise.catch((err) => {
try {
attachment = decryptOrPromptPassword(key, password, paste.attachment);
} catch (err) {
throw 'failed to decipher attachment: ' + err; throw 'failed to decipher attachment: ' + err;
} })
if (attachment === false) { attachmentNamePromise.catch((err) => {
return false; throw 'failed to decipher attachment name: ' + err;
} })
Promise.all([attachmentPromise, attachmentNamePromise]).then((results) => {
// decrypt attachment name if (results.some((result) => {
if (paste.attachmentname) { return result === false;
try { })) {
attachmentName = decryptOrPromptPassword(key, password, paste.attachmentname);
} catch (err) {
throw 'failed to decipher attachment name: ' + err;
}
if (attachmentName === false) {
return false; return false;
} }
} AttachmentViewer.setAttachment(results[0], results[1]);
AttachmentViewer.showAttachment();
AttachmentViewer.setAttachment(attachment, attachmentName); return true;
AttachmentViewer.showAttachment(); })
return true;
} }
/** /**
@ -4300,20 +4294,17 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
// try to decrypt the paste // try to decrypt the paste
try { try {
// decrypt attachments // decrypt attachments
if (paste.attachment) { if (paste.attachment && AttachmentViewer.hasAttachmentData()) {
if (AttachmentViewer.hasAttachmentData()) { // try to decrypt paste and if it fails (because the password is
// try to decrypt paste and if it fails (because the password is // missing) return to let JS continue and wait for user
// missing) return to let JS continue and wait for user decryptAttachment(paste, key, password).then((attachementIsDecrypted) => {
if (!decryptAttachment(paste, key, password)) { if (attachementIsDecrypted) {
return; // ignore empty paste, as this is allowed when pasting attachments
decryptPaste(paste, key, password, true);
} }
} });
// ignore empty paste, as this is allowed when pasting attachments
decryptPaste(paste, key, password, true);
} else { } else {
if (decryptPaste(paste, key, password) === false) { decryptPaste(paste, key, password)
return false;
}
} }
// shows the remaining time (until) deletion // shows the remaining time (until) deletion
@ -4472,8 +4463,6 @@ jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
// restore position // restore position
window.scrollTo(0, orgPosition); window.scrollTo(0, orgPosition);
PasteDecrypter.run(data);
// NOTE: could create problems as callback may be called // NOTE: could create problems as callback may be called
// asyncronously if PasteDecrypter e.g. needs to wait for a // asyncronously if PasteDecrypter e.g. needs to wait for a
// password being entered // password being entered

2
tpl/bootstrap.php
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@ -71,7 +71,7 @@ if ($MARKDOWN):
endif; endif;
?> ?>
<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($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]> <!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style> <style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]--> <![endif]-->

2
tpl/page.php
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@ -49,7 +49,7 @@ if ($MARKDOWN):
endif; endif;
?> ?>
<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script> <script type="text/javascript" data-cfasync="false" src="js/purify-1.0.7.js" integrity="sha512-VnKJHLosO8z2ojNvWk9BEKYqnhZyWK9rM90FgZUUEp/PRnUqR5OLLKE0a3BkVmn7YgB7LXRrjHgFHQYKd6DAIA==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($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]> <!--[if lt IE 10]>
<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style> <style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;} #oldienotice {display:block;}</style>
<![endif]--> <![endif]-->