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replacing Base64.js with browser built in's, except for legacy paste support

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El RIDO 2018-08-05 08:56:03 +02:00
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7 changed files with 87 additions and 65 deletions
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30
LICENSE.md
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@ -377,36 +377,6 @@ any theory of liability, whether in contract, strict liability, or tort
(including negligence or otherwise) arising in any way out of the use of this
software, even if advised of the possibility of such damage.
## BSD 3-Clause License for base64.js version 2.1.9
Copyright © 2014, Dan Kogai
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of base64.js nor the names of its contributors may be used
to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
## MIT License for base64.js version 1.7
Copyright © 2012 Dan Kogai

1
js/base64-2.4.5.js
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@ -1 +0,0 @@
(function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?module.exports=factory(global):typeof define==="function"&&define.amd?define(factory):factory(global)})(typeof self!=="undefined"?self:typeof window!=="undefined"?window:typeof global!=="undefined"?global:this,function(global){"use strict";var _Base64=global.Base64;var version="2.4.5";var buffer;if(typeof module!=="undefined"&&module.exports){try{buffer=require("buffer").Buffer}catch(err){}}var b64chars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var b64tab=function(bin){var t={};for(var i=0,l=bin.length;i<l;i++)t[bin.charAt(i)]=i;return t}(b64chars);var fromCharCode=String.fromCharCode;var cb_utob=function(c){if(c.length<2){var cc=c.charCodeAt(0);return cc<128?c:cc<2048?fromCharCode(192|cc>>>6)+fromCharCode(128|cc&63):fromCharCode(224|cc>>>12&15)+fromCharCode(128|cc>>>6&63)+fromCharCode(128|cc&63)}else{var cc=65536+(c.charCodeAt(0)-55296)*1024+(c.charCodeAt(1)-56320);return fromCharCode(240|cc>>>18&7)+fromCharCode(128|cc>>>12&63)+fromCharCode(128|cc>>>6&63)+fromCharCode(128|cc&63)}};var re_utob=/[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g;var utob=function(u){return u.replace(re_utob,cb_utob)};var cb_encode=function(ccc){var padlen=[0,2,1][ccc.length%3],ord=ccc.charCodeAt(0)<<16|(ccc.length>1?ccc.charCodeAt(1):0)<<8|(ccc.length>2?ccc.charCodeAt(2):0),chars=[b64chars.charAt(ord>>>18),b64chars.charAt(ord>>>12&63),padlen>=2?"=":b64chars.charAt(ord>>>6&63),padlen>=1?"=":b64chars.charAt(ord&63)];return chars.join("")};var btoa=global.btoa?function(b){return global.btoa(b)}:function(b){return b.replace(/[\s\S]{1,3}/g,cb_encode)};var _encode=buffer?buffer.from&&Uint8Array&&buffer.from!==Uint8Array.from?function(u){return(u.constructor===buffer.constructor?u:buffer.from(u)).toString("base64")}:function(u){return(u.constructor===buffer.constructor?u:new buffer(u)).toString("base64")}:function(u){return btoa(utob(u))};var encode=function(u,urisafe){return!urisafe?_encode(String(u)):_encode(String(u)).replace(/[+\/]/g,function(m0){return m0=="+"?"-":"_"}).replace(/=/g,"")};var encodeURI=function(u){return encode(u,true)};var re_btou=new RegExp(["[À-ß][€-¿]","[à-ï][€-¿]{2}","[ð-÷][€-¿]{3}"].join("|"),"g");var cb_btou=function(cccc){switch(cccc.length){case 4:var cp=(7&cccc.charCodeAt(0))<<18|(63&cccc.charCodeAt(1))<<12|(63&cccc.charCodeAt(2))<<6|63&cccc.charCodeAt(3),offset=cp-65536;return fromCharCode((offset>>>10)+55296)+fromCharCode((offset&1023)+56320);case 3:return fromCharCode((15&cccc.charCodeAt(0))<<12|(63&cccc.charCodeAt(1))<<6|63&cccc.charCodeAt(2));default:return fromCharCode((31&cccc.charCodeAt(0))<<6|63&cccc.charCodeAt(1))}};var btou=function(b){return b.replace(re_btou,cb_btou)};var cb_decode=function(cccc){var len=cccc.length,padlen=len%4,n=(len>0?b64tab[cccc.charAt(0)]<<18:0)|(len>1?b64tab[cccc.charAt(1)]<<12:0)|(len>2?b64tab[cccc.charAt(2)]<<6:0)|(len>3?b64tab[cccc.charAt(3)]:0),chars=[fromCharCode(n>>>16),fromCharCode(n>>>8&255),fromCharCode(n&255)];chars.length-=[0,0,2,1][padlen];return chars.join("")};var atob=global.atob?function(a){return global.atob(a)}:function(a){return a.replace(/[\s\S]{1,4}/g,cb_decode)};var _decode=buffer?buffer.from&&Uint8Array&&buffer.from!==Uint8Array.from?function(a){return(a.constructor===buffer.constructor?a:buffer.from(a,"base64")).toString()}:function(a){return(a.constructor===buffer.constructor?a:new buffer(a,"base64")).toString()}:function(a){return btou(atob(a))};var decode=function(a){return _decode(String(a).replace(/[-_]/g,function(m0){return m0=="-"?"+":"/"}).replace(/[^A-Za-z0-9\+\/]/g,""))};var noConflict=function(){var Base64=global.Base64;global.Base64=_Base64;return Base64};global.Base64={VERSION:version,atob:atob,btoa:btoa,fromBase64:decode,toBase64:encode,utob:utob,encode:encode,encodeURI:encodeURI,btou:btou,decode:decode,noConflict:noConflict};if(typeof Object.defineProperty==="function"){var noEnum=function(v){return{value:v,enumerable:false,writable:true,configurable:true}};global.Base64.extendString=function(){Object.defineProperty(String.prototype,"fromBase64",noEnum(function(){return decode(this)}));Object.defineProperty(String.prototype,"toBase64",noEnum(function(urisafe){return encode(this,urisafe)}));Object.defineProperty(String.prototype,"toBase64URI",noEnum(function(){return encode(this,true)}))}}if(global["Meteor"]){Base64=global.Base64}if(typeof module!=="undefined"&&module.exports){module.exports.Base64=global.Base64}else if(typeof define==="function"&&define.amd){define([],function(){return global.Base64})}return{Base64:global.Base64}});

1
js/common.js
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@ -10,7 +10,6 @@ global.fs = require('fs');
// application libraries to test
global.$ = global.jQuery = require('./jquery-3.3.1');
global.sjcl = require('./sjcl-1.0.7');
global.Base64 = require('./base64-2.4.5').Base64;
global.RawDeflate = require('./rawdeflate-0.5').RawDeflate;
global.RawDeflate.inflate = require('./rawinflate-0.3').RawDeflate.inflate;
require('./prettify');

80
js/privatebin.js
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@ -30,7 +30,7 @@ jQuery(document).ready(function() {
$.PrivateBin.Controller.init();
});
jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
jQuery.PrivateBin = (function($, sjcl, RawDeflate) {
'use strict';
/**
@ -527,7 +527,54 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
var me = {};
/**
* compress a message (deflate compression), returns base64 encoded data
* convert DOMString (UTF-16) to a UTF-8 string stored in a DOMString
*
* URI encodes the message, then finds the percent encoded characters
* and transforms these hexadecimal representation back into bytes
*
* @name CryptTool.utob
* @function
* @private
* @param {string} message UTF-16 string
* @return {string} UTF-8 string
*/
function utob(message)
{
return encodeURIComponent(message).replace(
/%([0-9A-F]{2})/g,
function (match, hexCharacter)
{
return String.fromCharCode('0x' + hexCharacter);
}
);
}
/**
* convert UTF-8 string stored in a DOMString to a standard UTF-16 DOMString
*
* Iterates over the bytes of the message, converting them all hexadecimal
* percent encoded representations, then URI decodes them all
*
* @name CryptTool.btou
* @function
* @private
* @param {string} message UTF-8 string
* @return {string} UTF-16 string
*/
function btou(message)
{
return decodeURIComponent(
message.split('').map(
function(character)
{
return '%' + ('00' + character.charCodeAt(0).toString(16)).slice(-2);
}
).join('')
);
}
/**
* compress a string, returns base64 encoded data (deflate compression)
*
* @name CryptTool.compress
* @function
@ -537,21 +584,31 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
*/
function compress(message)
{
return Base64.toBase64( RawDeflate.deflate( Base64.utob(message) ) );
// detect presence of Base64.js, indicating legacy ZeroBin paste
if (typeof Base64 === 'undefined') {
return btoa( utob( RawDeflate.deflate( utob( message ) ) ) );
} else {
return Base64.toBase64( RawDeflate.deflate( Base64.utob( message ) ) );
}
}
/**
* decompress a message compressed with cryptToolcompress()
* decompress a base64 encoded data (deflate compression), returns string
*
* @name CryptTool.decompress
* @function
* @private
* @param {string} data - base64 data
* @param {string} data base64 data
* @return {string} message
*/
function decompress(data)
{
return Base64.btou( RawDeflate.inflate( Base64.fromBase64(data) ) );
// detect presence of Base64.js, indicating legacy ZeroBin paste
if (typeof Base64 === 'undefined') {
return btou( RawDeflate.inflate( btou( atob( data ) ) ) );
} else {
return Base64.btou( RawDeflate.inflate( Base64.fromBase64( data ) ) );
}
}
/**
@ -624,10 +681,15 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
typeof window !== 'undefined' &&
typeof Uint8Array !== 'undefined' &&
String.fromCodePoint &&
(crypto = window.crypto || window.msCrypto)
(
typeof window.crypto !== 'undefined' ||
typeof window.msCrypto !== 'undefined'
)
) {
// modern browser environment
var bytes = '', byteArray = new Uint8Array(32);
var bytes = '',
byteArray = new Uint8Array(32),
crypto = window.crypto || window.msCrypto;
crypto.getRandomValues(byteArray);
for (var i = 0; i < 32; ++i) {
bytes += String.fromCharCode(byteArray[i]);
@ -4386,4 +4448,4 @@ jQuery.PrivateBin = (function($, sjcl, Base64, RawDeflate) {
PasteDecrypter: PasteDecrypter,
Controller: Controller
};
})(jQuery, sjcl, Base64, RawDeflate);
})(jQuery, sjcl, RawDeflate);

28
js/test/CryptTool.js
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@ -24,8 +24,13 @@ describe('CryptTool', function () {
// The below static unit tests are included to ensure deciphering of "classic"
// SJCL based pastes still works
it(
'supports PrivateBin v1 ciphertext (SJCL & Base64)',
'supports PrivateBin v1 ciphertext (SJCL & browser atob)',
function () {
delete global.Base64;
// make btoa available
jsdom();
global.btoa = window.btoa;
// Of course you can easily decipher the following texts, if you like.
// Bonus points for finding their sources and hidden meanings.
var paste1 = $.PrivateBin.CryptTool.decipher(
@ -97,11 +102,7 @@ describe('CryptTool', function () {
it(
'supports ZeroBin ciphertext (SJCL & Base64 1.7)',
function () {
var newBase64 = global.Base64;
global.Base64 = require('../base64-1.7').Base64;
jsdom();
delete require.cache[require.resolve('../privatebin')];
require('../privatebin');
// Of course you can easily decipher the following texts, if you like.
// Bonus points for finding their sources and hidden meanings.
@ -149,10 +150,7 @@ describe('CryptTool', function () {
'QbuspOKrBvMfN5igA1kBqasnxI472KBNXsdZnaDddSVUuvhTcETM="}'
);
global.Base64 = newBase64;
jsdom();
delete require.cache[require.resolve('../privatebin')];
require('../privatebin');
delete global.Base64;
assert.ok(
paste1.includes('securely packed in iron') &&
paste2.includes('Sol is right')
@ -177,18 +175,20 @@ describe('CryptTool', function () {
);
});
describe('Base64.js vs SJCL.js vs abab.js', function () {
describe('SJCL.js vs abab.js', function () {
jsc.property(
'these all return the same base64 string',
'string',
function(string) {
var base64 = Base64.toBase64(string),
// make btoa/atob available
jsdom();
// not comparing Base64.js v1.7 encode/decode, that has known issues
var Base64 = require('../base64-1.7').Base64,
sjcl = global.sjcl.codec.base64.fromBits(global.sjcl.codec.utf8String.toBits(string)),
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;
baba = Base64.btou(window.atob(sjcl));
return sjcl === abab && string === lcjs && lcjs === baba;
}
);
});

6
tpl/bootstrap.php
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@ -53,10 +53,6 @@ if ($ZEROBINCOMPATIBILITY):
?>
<script type="text/javascript" data-cfasync="false" src="js/base64-1.7.js" integrity="sha512-JdwsSP3GyHR+jaCkns9CL9NTt4JUJqm/BsODGmYhBcj5EAPKcHYh+OiMfyHbcDLECe17TL0hjXADFkusAqiYgA==" crossorigin="anonymous"></script>
<?php
else:
?>
<script type="text/javascript" data-cfasync="false" src="js/base64-2.4.5.js" integrity="sha512-YINE6agO8ZrYuzlrZZwQJTu0uqURJDxD4gjsfZ6mV4fP2gW5j8giNJ734iyJVTBrnF2XMiUBM/DSi7ON1V5RMQ==" crossorigin="anonymous"></script>
<?php
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/rawdeflate-0.5.js" integrity="sha512-tTdZ7qMr7tt5VQy4iCHu6/aGB12eRwbUy+AEI5rXntfsjcRfBeeqJloMsBU9FrGk1bIYLiuND/FhU42LO1bi0g==" crossorigin="anonymous"></script>
@ -75,7 +71,7 @@ if ($MARKDOWN):
<?php
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-vTDM48hkMcvb74F78/Fm9JoOF932zswXunyRUPhdpWQtcl5DzLc5gibjSFUNs+ouQiuI+qp6tIdEiTjqy/vqig==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-TCsDdtn5xvxYwQNkDhZTUJYJtkVjGTtReq7qvX3DzcCcpgUeWjDW0REEfjtHq7XzlPi2bpkgnuLwSmkR5Lyhww==" 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]-->

6
tpl/page.php
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@ -32,10 +32,6 @@ if ($ZEROBINCOMPATIBILITY):
?>
<script type="text/javascript" data-cfasync="false" src="js/base64-1.7.js" integrity="sha512-JdwsSP3GyHR+jaCkns9CL9NTt4JUJqm/BsODGmYhBcj5EAPKcHYh+OiMfyHbcDLECe17TL0hjXADFkusAqiYgA==" crossorigin="anonymous"></script>
<?php
else:
?>
<script type="text/javascript" data-cfasync="false" src="js/base64-2.4.5.js" integrity="sha512-YINE6agO8ZrYuzlrZZwQJTu0uqURJDxD4gjsfZ6mV4fP2gW5j8giNJ734iyJVTBrnF2XMiUBM/DSi7ON1V5RMQ==" crossorigin="anonymous"></script>
<?php
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/rawdeflate-0.5.js" integrity="sha512-tTdZ7qMr7tt5VQy4iCHu6/aGB12eRwbUy+AEI5rXntfsjcRfBeeqJloMsBU9FrGk1bIYLiuND/FhU42LO1bi0g==" crossorigin="anonymous"></script>
@ -53,7 +49,7 @@ if ($MARKDOWN):
<?php
endif;
?>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-vTDM48hkMcvb74F78/Fm9JoOF932zswXunyRUPhdpWQtcl5DzLc5gibjSFUNs+ouQiuI+qp6tIdEiTjqy/vqig==" crossorigin="anonymous"></script>
<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-TCsDdtn5xvxYwQNkDhZTUJYJtkVjGTtReq7qvX3DzcCcpgUeWjDW0REEfjtHq7XzlPi2bpkgnuLwSmkR5Lyhww==" 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]-->