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Middleware example

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Fenny 2020-01-09 16:24:09 +01:00
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19
docs/routing.md
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@ -75,19 +75,20 @@ The [Next](context#next) function is a function in the [Fiber](https://github.co
Functions that are designed to make changes to the request or response are called middleware functions.
Here is a simple example of a middleware function that prints "ip > path" when a request to the app passes through it.
Here is a simple example of a middleware function that sets some response headers when a request to the app passes through it.
```go
app := fiber.New()
app.Get(func(c *fiber.Ctx) {
fmt.Println(c.IP(), "=>", c.Path())
// => Prints ip and path
c.Set("X-Logged", "true")
// => Sets response header
app.Use(func(c *fiber.Ctx) {
// Set some security headers
c.Set("X-XSS-Protection", "1; mode=block")
c.Set("X-Content-Type-Options", "nosniff")
c.Set("X-Download-Options", "noopen")
c.Set("Strict-Transport-Security", "max-age=5184000")
c.Set("X-Frame-Options", "SAMEORIGIN")
c.Set("X-DNS-Prefetch-Control", "off")
// Go to next middleware
c.Next()
// Go to next middleware
})
app.Get("/", func(c *fiber.Ctx) {
c.Send("Hello, World!")