fix: lint

This commit is contained in:
pypy
2021-08-13 02:59:40 +09:00
parent 8efd7f0378
commit 6b1317ff8f
12 changed files with 3221 additions and 2134 deletions

View File

@@ -1,67 +1,67 @@
const defaultAESKey = new TextEncoder().encode(
'https://github.com/pypy-vrc/VRCX'
)
'https://github.com/pypy-vrc/VRCX'
);
const hexToUint8Array = (hexStr) => {
const r = hexStr.match(/.{1,2}/g)
if (!r) return null
return new Uint8Array(r.map((b) => parseInt(b, 16)))
}
const r = hexStr.match(/.{1,2}/g);
if (!r) return null;
return new Uint8Array(r.map((b) => parseInt(b, 16)));
};
const uint8ArrayToHex = (arr) =>
arr.reduce((str, byte) => str + byte.toString(16).padStart(2, '0'), '')
arr.reduce((str, byte) => str + byte.toString(16).padStart(2, '0'), '');
function stdAESKey(key) {
const tKey = new TextEncoder().encode(key)
let sk = tKey
if (key.length < 32) {
sk = new Uint8Array(32)
sk.set(tKey)
sk.set(defaultAESKey.slice(key.length, 32), key.length)
}
return sk.slice(0, 32)
const tKey = new TextEncoder().encode(key);
let sk = tKey;
if (key.length < 32) {
sk = new Uint8Array(32);
sk.set(tKey);
sk.set(defaultAESKey.slice(key.length, 32), key.length);
}
return sk.slice(0, 32);
}
async function encrypt(plaintext, key) {
let iv = window.crypto.getRandomValues(new Uint8Array(12))
let sharedKey = await window.crypto.subtle.importKey(
'raw',
stdAESKey(key),
{ name: 'AES-GCM', length: 256 },
true,
['encrypt']
)
let cipher = await window.crypto.subtle.encrypt(
{ name: 'AES-GCM', iv },
sharedKey,
new TextEncoder().encode(plaintext)
)
let ciphertext = new Uint8Array(cipher)
let encrypted = new Uint8Array(iv.length + ciphertext.byteLength)
encrypted.set(iv, 0)
encrypted.set(ciphertext, iv.length)
return uint8ArrayToHex(encrypted)
let iv = window.crypto.getRandomValues(new Uint8Array(12));
let sharedKey = await window.crypto.subtle.importKey(
'raw',
stdAESKey(key),
{name: 'AES-GCM', length: 256},
true,
['encrypt']
);
let cipher = await window.crypto.subtle.encrypt(
{name: 'AES-GCM', iv},
sharedKey,
new TextEncoder().encode(plaintext)
);
let ciphertext = new Uint8Array(cipher);
let encrypted = new Uint8Array(iv.length + ciphertext.byteLength);
encrypted.set(iv, 0);
encrypted.set(ciphertext, iv.length);
return uint8ArrayToHex(encrypted);
}
async function decrypt(ciphertext, key) {
let text = hexToUint8Array(ciphertext)
if (!text) return ''
let sharedKey = await window.crypto.subtle.importKey(
'raw',
stdAESKey(key),
{ name: 'AES-GCM', length: 256 },
true,
['decrypt']
)
let plaintext = await window.crypto.subtle.decrypt(
{ name: 'AES-GCM', iv: text.slice(0, 12) },
sharedKey,
text.slice(12)
)
return new TextDecoder().decode(new Uint8Array(plaintext))
let text = hexToUint8Array(ciphertext);
if (!text) return '';
let sharedKey = await window.crypto.subtle.importKey(
'raw',
stdAESKey(key),
{name: 'AES-GCM', length: 256},
true,
['decrypt']
);
let plaintext = await window.crypto.subtle.decrypt(
{name: 'AES-GCM', iv: text.slice(0, 12)},
sharedKey,
text.slice(12)
);
return new TextDecoder().decode(new Uint8Array(plaintext));
}
export default {
decrypt,
encrypt,
}
decrypt,
encrypt
};