Files

52 lines
1.2 KiB
Go

package middleware
import (
"fmt"
"time"
"github.com/gin-gonic/gin"
)
var legacyCORSAllowedOrigins = []string{
"http://localhost:3000",
"http://localhost:5000",
"http://127.0.0.1:3000",
"http://127.0.0.1:5000",
}
// CORSMiddleware adds CORS headers for the local development origins.
func CORSMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
if origin := c.Request.Header.Get("Origin"); origin != "" && isOriginAllowed(origin, legacyCORSAllowedOrigins) {
c.Header("Access-Control-Allow-Origin", origin)
c.Header("Vary", "Origin")
}
c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS")
c.Header("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, Authorization")
c.Header("Access-Control-Max-Age", "86400")
if c.Request.Method == "OPTIONS" {
c.AbortWithStatus(204)
return
}
c.Next()
}
}
// RequestLoggerMiddleware logs method, path, status, and latency.
func RequestLoggerMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
start := time.Now()
path := c.Request.URL.Path
c.Next()
latency := time.Since(start)
status := c.Writer.Status()
method := c.Request.Method
fmt.Fprintf(gin.DefaultWriter, "%s %s %d %v\n", method, path, status, latency)
}
}