feat: enhance deployment process and update dependencies

- Updated the deployment script to build the web application before deploying.
- Upgraded Wrangler dependency from 4.61.1 to 4.69.0.

feat: add import item limit and request body size limit

- Introduced a new limit for the maximum total items allowed in a single import (5000).
- Set a hard body size limit for JSON API endpoints (25 MB).

feat: validate KDF parameters during registration and password change

- Added validation for KDF parameters to ensure compliance with Bitwarden's minimum requirements.
- Enhanced error handling for invalid KDF parameters during user registration and password change.

feat: clean up R2 files on user deletion

- Implemented cleanup of R2 files associated with user attachments and sends before deleting user metadata.

feat: verify folder ownership when creating or updating ciphers

- Added checks to ensure that users cannot reference folders owned by other users when creating or updating ciphers.

fix: handle corrupted cipher data gracefully

- Improved error handling when retrieving ciphers from the database to avoid crashes due to corrupted data.

feat: increment send access count atomically

- Added a method to atomically increment the access count for sends and return whether the update was successful.

fix: enforce request body size limits

- Implemented checks to reject oversized request bodies for non-file upload paths.

fix: update error handling for database initialization

- Enhanced error logging for database initialization failures while providing a generic message to clients.

feat: enhance security with Content Security Policy

- Added a Content Security Policy to the web application to improve security against XSS attacks.

fix: remove plaintext TOTP secret from localStorage

- Updated the TOTP enabling process to remove the plaintext secret from localStorage after it is stored on the server.

fix: ensure only PBKDF2 hash is sent for public send access

- Modified the public send access payload to ensure only the PBKDF2 hash is sent, never the plaintext password.

src/handlers/import.ts

@@ -102,6 +102,10 @@ export async function handleCiphersImport(request: Request, env: Env, userId: st
   const ciphers = importData.ciphers || [];
   const folderRelationships = importData.folderRelationships || [];
 
+  if (folders.length + ciphers.length > LIMITS.performance.importItemLimit) {
+    return errorResponse(`Import exceeds maximum of ${LIMITS.performance.importItemLimit} items`, 400);
+  }
+
   const now = new Date().toISOString();
   const batchChunkSize = LIMITS.performance.bulkMoveChunkSize;