File size: 1,974 Bytes
b91e262 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | import { InvariantError } from '../../shared/lib/invariant-error'
import { getServerActionsManifest } from './manifests-singleton'
let __next_loaded_action_key: CryptoKey
export function arrayBufferToString(
buffer: ArrayBuffer | Uint8Array<ArrayBufferLike>
) {
const bytes = new Uint8Array(buffer)
const len = bytes.byteLength
// @anonrig: V8 has a limit of 65535 arguments in a function.
// For len < 65535, this is faster.
// https://github.com/vercel/next.js/pull/56377#pullrequestreview-1656181623
if (len < 65535) {
return String.fromCharCode.apply(null, bytes as unknown as number[])
}
let binary = ''
for (let i = 0; i < len; i++) {
binary += String.fromCharCode(bytes[i])
}
return binary
}
export function stringToUint8Array(binary: string) {
const len = binary.length
const arr = new Uint8Array(len)
for (let i = 0; i < len; i++) {
arr[i] = binary.charCodeAt(i)
}
return arr
}
export function encrypt(
key: CryptoKey,
iv: Uint8Array<ArrayBuffer>,
data: Uint8Array<ArrayBuffer>
) {
return crypto.subtle.encrypt(
{
name: 'AES-GCM',
iv,
},
key,
data
)
}
export function decrypt(
key: CryptoKey,
iv: Uint8Array<ArrayBuffer>,
data: Uint8Array<ArrayBuffer>
) {
return crypto.subtle.decrypt(
{
name: 'AES-GCM',
iv,
},
key,
data
)
}
export async function getActionEncryptionKey() {
if (__next_loaded_action_key) {
return __next_loaded_action_key
}
const serverActionsManifest = getServerActionsManifest()
const rawKey =
process.env.NEXT_SERVER_ACTIONS_ENCRYPTION_KEY ||
serverActionsManifest.encryptionKey
if (rawKey === undefined) {
throw new InvariantError('Missing encryption key for Server Actions')
}
__next_loaded_action_key = await crypto.subtle.importKey(
'raw',
stringToUint8Array(atob(rawKey)),
'AES-GCM',
true,
['encrypt', 'decrypt']
)
return __next_loaded_action_key
}
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