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Improve code splitting

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denis0001-dev
2025-09-24 15:18:30 +03:00
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parent 9dc534736d
commit f98b91ea3c
4 changed files with 17 additions and 54 deletions
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frontend/src/api/dmApi.ts
+4 -45
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@@ -5,56 +5,15 @@ import { importAesGcmKey, aesGcmEncrypt, aesGcmDecrypt } from "../utils/crypto/s
import { randomBytes } from "../utils/crypto/kdf";
import { getCurrentKeys } from "../auth/crypto";
import { request } from "../core/websocket";
import type { FetchDMResponse, SendDMRequest, DmEnvelope, User } from "../core/types";
import type { SendDMRequest, DmEnvelope, User } from "../core/types";
import { b64, ub64 } from "../utils/utils";
export async function sendDm(recipientId: number, recipientPublicKeyB64: string, plaintext: string, token: string): Promise<void> {
const keys = getCurrentKeys();
if (!keys) throw new Error("Keys not initialized");
const mk = randomBytes(32);
const wkSalt = randomBytes(16);
const shared = ecdhSharedSecret(keys.privateKey, ub64(recipientPublicKeyB64));
const wkRaw = await deriveWrappingKey(shared, wkSalt, new Uint8Array([1]));
const wk = await importAesGcmKey(wkRaw);
const encMsg = await aesGcmEncrypt(await importAesGcmKey(mk), new TextEncoder().encode(plaintext));
const wrap = await aesGcmEncrypt(wk, mk);
await fetch(`${API_BASE_URL}/dm/send`, {
method: "POST",
headers: getAuthHeaders(token, true),
body: JSON.stringify({
recipientId: recipientId,
iv: b64(encMsg.iv),
ciphertext: b64(encMsg.ciphertext),
salt: b64(wkSalt),
iv2: b64(wrap.iv),
wrappedMk: b64(wrap.ciphertext)
})
});
}
export async function fetchDm(since: number | undefined, token: string): Promise<DmEnvelope[]> {
const url = new URL(`${API_BASE_URL}/dm/fetch`);
if (since) url.searchParams.set("since", String(since));
const response = await fetch(url, {
headers: getAuthHeaders(token, true)
});
if (response.ok) {
const data: FetchDMResponse = await response.json();
return data.messages ?? [];
} else {
return [];
}
}
export async function decryptDm(envelope: DmEnvelope, senderPublicKeyB64: string): Promise<string> {
const keys = getCurrentKeys();
if (!keys) throw new Error("Keys not initialized");
// Obtain the key
const shared = ecdhSharedSecret(keys.privateKey, ub64(senderPublicKeyB64));
const shared = await ecdhSharedSecret(keys.privateKey, ub64(senderPublicKeyB64));
const wkRaw = await deriveWrappingKey(shared, ub64(envelope.salt), new Uint8Array([1]));
const wk = await importAesGcmKey(wkRaw);
const mk = await aesGcmDecrypt(wk, ub64(envelope.iv2), ub64(envelope.wrappedMk));
@@ -94,7 +53,7 @@ export async function sendDMViaWebSocket(recipientId: number, recipientPublicKey
// Encryption key
const mk = randomBytes(32);
const wkSalt = randomBytes(16);
const shared = ecdhSharedSecret(keys.privateKey, ub64(recipientPublicKeyB64));
const shared = await ecdhSharedSecret(keys.privateKey, ub64(recipientPublicKeyB64));
const wkRaw = await deriveWrappingKey(shared, wkSalt, new Uint8Array([1]));
const wk = await importAesGcmKey(wkRaw);
@@ -119,4 +78,4 @@ export async function sendDMViaWebSocket(recipientId: number, recipientPublicKey
},
data: payload
});
}
}