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began adding capability flags

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This commit is contained in:
Danny Coates 2018-07-31 11:29:26 -07:00
parent ebbb174c66
commit d14aeb29e9
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GPG key ID: 4C442633C62E00CB
12 changed files with 236 additions and 100 deletions
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41
app/utils.js
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@ -22,46 +22,6 @@ function loadShim(polyfill) {
});
}
async function canHasSend() {
try {
const key = await crypto.subtle.generateKey(
{
name: 'AES-GCM',
length: 128
},
true,
['encrypt', 'decrypt']
);
await crypto.subtle.encrypt(
{
name: 'AES-GCM',
iv: crypto.getRandomValues(new Uint8Array(12)),
tagLength: 128
},
key,
new ArrayBuffer(8)
);
await crypto.subtle.importKey(
'raw',
crypto.getRandomValues(new Uint8Array(16)),
'PBKDF2',
false,
['deriveKey']
);
await crypto.subtle.importKey(
'raw',
crypto.getRandomValues(new Uint8Array(16)),
'HKDF',
false,
['deriveKey']
);
return true;
} catch (err) {
console.error(err);
return false;
}
}
function isFile(id) {
return /^[0-9a-fA-F]{10}$/.test(id);
}
@ -179,7 +139,6 @@ module.exports = {
arrayToB64,
b64ToArray,
loadShim,
canHasSend,
isFile,
openLinksInNewTab
};