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middlewares.go
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middlewares.go
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package restresolver
import (
"fmt"
"net/http"
"runtime"
"time"
"github.com/fastschema/fastschema/app"
"github.com/google/uuid"
)
const HeaderRequestID = "X-Request-Id"
func MiddlewareRequestID(c *Context) error {
requestID := c.Header(HeaderRequestID)
if requestID == "" {
requestID = uuid.NewString()
}
c.Value("request_id", requestID)
c.Header(HeaderRequestID, requestID)
return c.Next()
}
func MiddlewareRequestLog(c *Context) error {
start := time.Now()
err := c.Next()
latency := time.Since(start).Round(time.Millisecond)
logContext := app.LogContext{
"latency": latency.String(),
"status": c.Response().StatusCode(),
"method": c.Method(),
"path": c.Path(),
"ip": c.IP(),
}
if err != nil {
logContext["error"] = err.Error()
}
c.Logger().Info("Request completed", logContext)
return err
}
func MiddlewareCookie(c *Context) error {
if c.Cookie("UUID") == "" {
exp := time.Now().Add(time.Hour * 100 * 365 * 24)
c.Cookie("UUID", &Cookie{
Name: "UUID",
Value: uuid.NewString(),
Expires: exp,
HTTPOnly: false,
SameSite: "lax",
Secure: true,
})
}
return c.Next()
}
func MiddlewareCors(c *Context) error {
c.Header("Access-Control-Allow-Origin", "*")
c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
c.Header("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")
if c.Method() == "OPTIONS" {
c.Status(200)
return nil
}
return c.Next()
}
func MiddlewareRecover(c *Context) error {
defer func() {
if r := recover(); r != nil {
err, ok := r.(error)
if !ok {
err = fmt.Errorf("%v", r)
}
stack := make([]byte, 4<<10)
length := runtime.Stack(stack, true)
msg := fmt.Sprintf("%v %s\n", err, stack[:length])
c.Logger().Error(msg, app.LogContext{"recovered": true})
if err := c.Status(http.StatusBadRequest).JSON(app.Map{"error": err.Error()}); err != nil {
c.Logger().Error(err)
}
}
}()
return c.Next()
}