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CSP: Move index.html inline code to separate .js file

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Richard Hansen 2020-10-05 17:00:25 -04:00 committed by John McLear
parent 09193150b6
commit 7f79d201e6
2 changed files with 65 additions and 67 deletions
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61
src/static/js/index.js Normal file
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@ -0,0 +1,61 @@
// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7&dn=apache-2.0.txt Apache-2.0
/**
* Copyright 2011 Peter Martischka, Primary Technology.
* Copyright 2020 Richard Hansen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* global $, customStart */
function randomPadName() {
// the number of distinct chars (64) is chosen to ensure that the selection will be uniform when
// using the PRNG below
const chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_';
// the length of the pad name is chosen to get 120-bit security: log2(64^20) = 120
const string_length = 20;
// make room for 8-bit integer values that span from 0 to 255.
const randomarray = new Uint8Array(string_length);
// use browser's PRNG to generate a "unique" sequence
const cryptoObj = window.crypto || window.msCrypto; // for IE 11
cryptoObj.getRandomValues(randomarray);
let randomstring = '';
for (let i = 0; i < string_length; i++) {
// instead of writing "Math.floor(randomarray[i]/256*64)"
// we can save some cycles.
const rnum = Math.floor(randomarray[i]/4);
randomstring += chars.substring(rnum, rnum + 1);
}
return randomstring;
}
$(() => {
$('#go2Name').submit(function() {
const padname = $('#padname').val();
if (padname.length > 0) {
window.location = 'p/' + encodeURIComponent(padname.trim());
} else {
alert('Please enter a name');
}
return false;
});
$('#button').click(function() {
window.location = 'p/' + randomPadName();
});
// start the custom js
if (typeof customStart === 'function') customStart();
});
// @license-end

71
src/templates/index.html
View file

@ -5,30 +5,6 @@
<html>
<title><%=settings.title%></title>
<script>
/*
|@licstart The following is the entire license notice for the
JavaScript code in this page.|
Copyright 2011 Peter Martischka, Primary Technology.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
|@licend The above is the entire license notice
for the JavaScript code in this page.|
*/
</script>
<meta charset="utf-8">
<meta name="referrer" content="no-referrer">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
@ -37,6 +13,8 @@
<link rel="localizations" type="application/l10n+json" href="locales.json">
<script type="text/javascript" src="static/js/html10n.js?v=<%=settings.randomVersionString%>"></script>
<script type="text/javascript" src="static/js/l10n.js?v=<%=settings.randomVersionString%>"></script>
<script src="static/js/jquery.js"></script>
<script src="static/js/index.js"></script>
<style>
html, body {
@ -167,10 +145,10 @@
<% if (settings.editOnly) { %>
<label id="label" for="padname" data-l10n-id="index.openPad"></label>
<% } else {%>
<button id="button" onclick="go2Random()" data-l10n-id="index.newPad"></button>
<button id="button" data-l10n-id="index.newPad"></button>
<label id="label" for="padname" data-l10n-id="index.createOpenPad"></label>
<% } %>
<form action="#" onsubmit="go2Name();return false;">
<form action="#" id="go2Name">
<input type="text" id="padname" maxlength="50" autofocus x-webkit-speech>
<button type="submit">OK</button>
</form>
@ -182,46 +160,5 @@
<% e.begin_block("indexCustomScripts"); %>
<script src="static/skins/<%=encodeURI(settings.skinName)%>/index.js?v=<%=settings.randomVersionString%>"></script>
<% e.end_block(); %>
<script>
// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7&dn=apache-2.0.txt
function go2Name()
{
var padname = document.getElementById("padname").value;
padname.length > 0 ? window.location = "p/" + encodeURIComponent(padname.trim()) : alert("Please enter a name")
}
function go2Random()
{
window.location = "p/" + randomPadName();
}
function randomPadName()
{
// the number of distinct chars (64) is chosen to ensure that
// the selection will be uniform when using the PRNG below
var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_";
// the length of the pad name is chosen to get 120-bit security:
// log2(64^20) = 120
var string_length = 20;
// make room for 8-bit integer values that span from 0 to 255.
var randomarray = new Uint8Array(string_length);
// use browser's PRNG to generate a "unique" sequence
var cryptoObj = window.crypto || window.msCrypto; // for IE 11
cryptoObj.getRandomValues(randomarray);
var randomstring = '';
for (var i = 0; i < string_length; i++)
{
// instead of writing "Math.floor(randomarray[i]/256*64)"
// we can save some cycles.
var rnum = Math.floor(randomarray[i]/4);
randomstring += chars.substring(rnum, rnum + 1);
}
return randomstring;
}
// start the custom js
if (typeof customStart == "function") customStart();
// @license-end
</script>
<div style="display:none"><a href="/javascript" data-jslicense="1">JavaScript license information</a></div>
</html>