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implemented crypto polyfills for ms edge

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This commit is contained in:
Danny Coates 2018-02-28 19:24:41 -08:00
parent 5f44ed2598
commit cd7da20024
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GPG key ID: 4C442633C62E00CB
10 changed files with 163 additions and 18 deletions
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20
app/utils.js
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@ -25,7 +25,7 @@ function loadShim(polyfill) {
});
}
async function canHasSend(polyfill) {
async function canHasSend() {
try {
const key = await window.crypto.subtle.generateKey(
{
@ -35,7 +35,6 @@ async function canHasSend(polyfill) {
true,
['encrypt', 'decrypt']
);
await window.crypto.subtle.encrypt(
{
name: 'AES-GCM',
@ -45,9 +44,23 @@ async function canHasSend(polyfill) {
key,
new ArrayBuffer(8)
);
await window.crypto.subtle.importKey(
'raw',
window.crypto.getRandomValues(new Uint8Array(16)),
'PBKDF2',
false,
['deriveKey']
);
await window.crypto.subtle.importKey(
'raw',
window.crypto.getRandomValues(new Uint8Array(16)),
'HKDF',
false,
['deriveKey']
);
return true;
} catch (err) {
return loadShim(polyfill);
return false;
}
}
@ -167,6 +180,7 @@ module.exports = {
copyToClipboard,
arrayToB64,
b64ToArray,
loadShim,
canHasSend,
isFile,
openLinksInNewTab