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isBlocked was checked synchronously but recordFailure ran only AFTER the bcrypt awaits, so N concurrent /mcp Basic requests for one email all slipped past the threshold. Add FailedLoginLimiter.tryReserve (atomic synchronous check+increment) + release (undo), and reserve all 3 keys BEFORE any await so the (threshold+1)-th concurrent attempt is rejected before its bcrypt runs. The reservation IS the failure record (post-await recordFailure removed -> counted exactly once). Non- credential early throws (missing workspace, SSO/MFA gate) and business errors release the reservation so they don't burn a victim's budget; success clears. Tests prove login() runs exactly threshold times under concurrency and that gate/config rejects don't consume budget. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
A progressive Node.js framework for building efficient and scalable server-side applications.
Description
Nest framework TypeScript starter repository.
Installation
$ npm install
Running the app
# development
$ npm run start
# watch mode
$ npm run start:dev
# production mode
$ npm run start:prod
Migrations
# This creates a new empty migration file named 'init'
$ npm run migration:create --name=init
# Generates 'init' migration file from existing entities to update the database schema
$ npm run migration:generate --name=init
# Runs all pending migrations to update the database schema
$ npm run migration:run
# Reverts the last executed migration
$ npm run migration:revert
# Reverts all migrations
$ npm run migration:revert
# Shows the list of executed and pending migrations
$ npm run migration:show
## Test
```bash
# unit tests
$ npm run test
# e2e tests
$ npm run test:e2e
# test coverage
$ npm run test:cov
Support
Nest is an MIT-licensed open source project. It can grow thanks to the sponsors and support by the amazing backers. If you'd like to join them, please read more here.
Stay in touch
- Author - Kamil Myśliwiec
- Website - https://nestjs.com
- Twitter - @nestframework
License
Nest is MIT licensed.