codesnips

dependency-injection

python 
from datetime import datetime, timedelta, timezone

from fastapi.security import OAuth2PasswordBearer
from jose import jwt
from passlib.context import CryptContext

Reusable OAuth2 Password Bearer JWT Authentication Dependency in FastAPI

fastapi oauth2 jwt
by codesnips 4 tabs
javascript 
const { z } = require('zod');

const ConfigSchema = z.object({
  env: z.enum(['development', 'test', 'production']).default('development'),
  port: z.coerce.number().int().positive().default(3000),
  database: z.object({

Cached Config Singleton in Node.js: Load Once, Share Everywhere

nodejs configuration singleton
by codesnips 3 tabs
typescript 
import { Injectable, NestMiddleware, UnauthorizedException } from '@nestjs/common';
import { Request, Response, NextFunction } from 'express';
import { TenantService } from './tenant.service';

@Injectable()
export class TenantContextMiddleware implements NestMiddleware {

Bind Tenant Context Per Request in NestJS With a Custom @TenantId() Decorator

nestjs multi-tenancy decorators
by codesnips 4 tabs
python 
from datetime import datetime, timedelta, timezone

from jose import jwt, JWTError
from jose.exceptions import ExpiredSignatureError

SECRET_KEY = "change-me-in-production"

FastAPI JWT Authentication with Access/Refresh Tokens and a Verification Dependency

fastapi jwt authentication
by codesnips 3 tabs
java 
package com.example.billing.config;

import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Configuration;

@Configuration

Type-Safe Spring Boot Config with @ConfigurationProperties Records and Validation

spring-boot configuration validation
by codesnips 4 tabs
python 
import base64
import json
from datetime import datetime
from typing import NamedTuple

from fastapi import HTTPException

Cursor-Based Pagination in FastAPI with a Dependency and RFC 5988 Link Headers

fastapi pagination cursor
by codesnips 3 tabs
typescript 
import { Injectable } from '@angular/core';
import { ActivatedRoute, Params, Router } from '@angular/router';
import { FormGroup } from '@angular/forms';
import { Subscription } from 'rxjs';
import { debounceTime, distinctUntilChanged, map, take } from 'rxjs/operators';

Sync Angular Reactive Form State to URL Query Params With a Route-Aware Service

angular reactive-forms router
by codesnips 3 tabs
typescript 
import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common';
import { FeatureFlagGuard } from './feature-flag.guard';
import { RequireFeature } from './feature-flag.decorator';

@Controller('experiments')
@UseGuards(FeatureFlagGuard)

Per-Request Feature Flags in NestJS with a Custom Decorator and Resolution Guard

nestjs feature-flags guards
by codesnips 4 tabs
php 
<?php

namespace App\Correlation;

final class CorrelationIdStorage
{

Propagate a Correlation ID Through Symfony Requests and Monolog Logs

symfony monolog logging
by codesnips 4 tabs
python 
import hmac
import hashlib
import time
from fastapi import Request, HTTPException, status

Verifying Stripe Webhook Signatures With a Reusable FastAPI Dependency

fastapi webhooks security
by codesnips 3 tabs
python 
from enum import Enum
from typing import Optional

from fastapi import Query
from pydantic import BaseModel, Field, field_validator

Validate and Normalize Query Filters With a Pydantic Dependency in FastAPI

fastapi pydantic validation
by codesnips 3 tabs