refactor: removed unused file

client/src/hooks/SSE/encryptionHelpers.ts

@@ -1,131 +0,0 @@
-import {
-  createPayload,
-  isAgentsEndpoint,
-  isAssistantsEndpoint,
-  removeNullishValues,
-  TPayload,
-  TSubmission,
-} from 'librechat-data-provider';
-
-/**
- * Convert an ArrayBuffer to a Base64 string.
- */
-function arrayBufferToBase64(buffer: ArrayBuffer): string {
-  const bytes = new Uint8Array(buffer);
-  let binary = '';
-  bytes.forEach((b) => (binary += String.fromCharCode(b)));
-  return window.btoa(binary);
-}
-
-/**
- * Convert a Base64 string to a Uint8Array.
- */
-function base64ToUint8Array(base64: string): Uint8Array {
-  const binaryString = window.atob(base64);
-  const len = binaryString.length;
-  const bytes = new Uint8Array(len);
-  for (let i = 0; i < len; i++) {
-    bytes[i] = binaryString.charCodeAt(i);
-  }
-  return bytes;
-}
-
-/**
- * Encrypts a plaintext string using RSA-OAEP.
- * The public key must be provided as a Base64-encoded SPKI key.
- */
-export async function encryptMessage(
-  plainText: string,
-  userEncryptionPublicKey: string
-): Promise<string> {
-  // Convert the Base64 public key into a binary array.
-  const binaryKey = base64ToUint8Array(userEncryptionPublicKey);
-  const publicKey = await window.crypto.subtle.importKey(
-    'spki',
-    binaryKey.buffer,
-    { name: 'RSA-OAEP', hash: 'SHA-256' },
-    true,
-    ['encrypt']
-  );
-
-  const encoder = new TextEncoder();
-  const encodedContent = encoder.encode(plainText);
-
-  const encryptedBuffer = await window.crypto.subtle.encrypt(
-    { name: 'RSA-OAEP' },
-    publicKey,
-    encodedContent
-  );
-
-  // Return the encrypted data as a Base64 string.
-  return arrayBufferToBase64(encryptedBuffer);
-}
-
-/**
- * Decrypts an encrypted string using RSA-OAEP.
- * The private key must be provided as a Base64-encoded PKCS#8 key.
- */
-export async function decryptMessage(
-  encryptedText: string,
-  userPrivateKey: string
-): Promise<string> {
-  // Convert the Base64-encoded private key to a binary array.
-  const binaryKey = base64ToUint8Array(userPrivateKey);
-  const privateKey = await window.crypto.subtle.importKey(
-    'pkcs8',
-    binaryKey.buffer,
-    { name: 'RSA-OAEP', hash: 'SHA-256' },
-    true,
-    ['decrypt']
-  );
-
-  // Convert the Base64-encoded encrypted text to a binary array.
-  const encryptedBuffer = base64ToUint8Array(encryptedText);
-  const decryptedBuffer = await window.crypto.subtle.decrypt(
-    { name: 'RSA-OAEP' },
-    privateKey,
-    encryptedBuffer.buffer
-  );
-  const decoder = new TextDecoder();
-  return decoder.decode(decryptedBuffer);
-}
-
-/**
- * Creates a payload from the submission.
- * If encryption is enabled (or if a userEncryptionPublicKey is available),
- * it encrypts the text and attaches a random IV (used as a flag).
- */
-export async function createPayloadWithEncryption(
-  submission: TSubmission,
-  encryptionEnabled: boolean,
-  userEncryptionPublicKey?: string
-): Promise<{ server: string; payload: TPayload }> {
-  // Create the standard payload.
-  const payloadData = createPayload(submission);
-  let { payload } = payloadData;
-
-  // Remove nullish values for endpoints that require it.
-  if (isAssistantsEndpoint(payload.endpoint) || isAgentsEndpoint(payload.endpoint)) {
-    payload = removeNullishValues(payload) as TPayload;
-  }
-
-  // Force encryption if encryptionEnabled is true OR a public key is available.
-  if ((encryptionEnabled || userEncryptionPublicKey) && userEncryptionPublicKey) {
-    const plainText = payload.text;
-    if (plainText !== undefined) {
-      // Generate a random IV (12 bytes for AES-GCM). Although RSA-OAEP doesn’t need an IV,
-      // we attach it as a marker that the message is encrypted.
-      const ivArray = new Uint8Array(12);
-      window.crypto.getRandomValues(ivArray);
-      const ivString = arrayBufferToBase64(ivArray.buffer);
-
-      // Encrypt the message text.
-      const encryptedText = await encryptMessage(plainText, userEncryptionPublicKey);
-      console.log('Encryption successful:', { encryptedText, iv: ivString });
-      payload.text = encryptedText;
-      // Attach the IV as a marker.
-      (payload as TPayload & { messageEncryptionIV?: string }).messageEncryptionIV = ivString;
-    }
-  }
-  return { server: payloadData.server, payload };
-}