80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package middlewares
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import (
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"net/http"
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"strings"
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"sale/internal/utils"
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"github.com/gin-gonic/gin"
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)
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func AuthMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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authHeader := c.GetHeader("Authorization")
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if authHeader == "" {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization header is required"})
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c.Abort()
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return
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}
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parts := strings.SplitN(authHeader, " ", 2)
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if len(parts) != 2 || parts[0] != "Bearer" {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid authorization header format"})
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c.Abort()
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return
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}
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claims, err := utils.ParseToken(parts[1])
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if err != nil {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid or expired token"})
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c.Abort()
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return
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}
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c.Set("user_id", claims.UserID)
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c.Set("role", claims.Role)
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c.Next()
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}
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}
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func RoleMiddleware(roles ...string) gin.HandlerFunc {
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roleMap := make(map[string]bool)
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for _, r := range roles {
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roleMap[r] = true
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}
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return func(c *gin.Context) {
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role, exists := c.Get("role")
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if !exists {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "Unauthorized"})
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c.Abort()
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return
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}
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if !roleMap[role.(string)] {
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c.JSON(http.StatusForbidden, gin.H{"error": "Permission denied"})
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c.Abort()
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return
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}
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c.Next()
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}
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}
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func CORSMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
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c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
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c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
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c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE")
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if c.Request.Method == "OPTIONS" {
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c.AbortWithStatus(204)
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return
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}
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c.Next()
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}
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}
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