Go Bootcamp - Quick - Middleware

Quick - Middleware

Cors

Controla como sua API pode ser acessada a partir de diferentes domínios.

Recursos

Restringe quais domínios, métodos e cabeçalhos são permitidos.

Ajuda a evitar erros CORS nos navegadores.

Configurável por meio de origens, cabeçalhos e credenciais permitidas.


// Function signature
    app.Use(cors.New())

routing.go

package main

import (
    "fmt"
    "log"
    "github.com/jeffotoni/quick"
    "github.com/jeffotoni/quick/middleware/cors"
)

func main() {
    // Create a new Quick instance
    app := quick.New()

// Apply CORS middleware to allow all origins, methods, and headers
    app.Use(cors.New(cors.Config{
        AllowedOrigins: []string{"*"}, // Allows requests from any origin
        AllowedMethods: []string{"*"}, // Allows all HTTP methods (GET, POST, PUT, DELETE, etc.)
        AllowedHeaders: []string{"*"}, // Allows all headers
    }))

// Define a POST route for creating a user
    app.Post("/v1/user", func(c *quick.Ctx) error {
        // Set response content type as JSON
        c.Set("Content-Type", "application/json")

// Define a struct to hold incoming JSON data
        type My struct {
            Name string `json:"name"`
            Year int    `json:"year"`
        }

var my My

// Parse the request body into the struct
        err := c.BodyParser(&my)
        fmt.Println("byte:", c.Body()) // Print raw request body

if err != nil {
            // Return a 400 Bad Request if parsing fails
            return c.Status(400).SendString(err.Error())
        }

// Print the request body as a string
        fmt.Println("String:", c.BodyString())

// Return the parsed JSON data with a 200 OK status
        return c.Status(200).JSON(&my)
    })

// Start the server on port 8080
    log.Fatal(app.Listen("0.0.0.0:8080"))
}