111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
package middleware
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import (
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"net/http"
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"strings"
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"git.mchus.pro/mchus/quoteforge/internal/models"
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"git.mchus.pro/mchus/quoteforge/internal/services"
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"github.com/gin-gonic/gin"
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)
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const (
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AuthUserKey = "auth_user"
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AuthClaimsKey = "auth_claims"
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)
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func Auth(authService *services.AuthService) 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.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": "authorization header required",
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})
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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.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": "invalid authorization header format",
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})
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return
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}
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claims, err := authService.ValidateToken(parts[1])
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if err != nil {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": err.Error(),
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})
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return
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}
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c.Set(AuthClaimsKey, claims)
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c.Next()
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}
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}
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func RequireRole(roles ...models.UserRole) gin.HandlerFunc {
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return func(c *gin.Context) {
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claims, exists := c.Get(AuthClaimsKey)
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if !exists {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": "authentication required",
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})
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return
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}
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authClaims := claims.(*services.Claims)
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for _, role := range roles {
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if authClaims.Role == role {
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c.Next()
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return
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}
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}
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c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
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"error": "insufficient permissions",
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})
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}
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}
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func RequireEditor() gin.HandlerFunc {
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return RequireRole(models.RoleEditor, models.RolePricingAdmin, models.RoleAdmin)
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}
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func RequirePricingAdmin() gin.HandlerFunc {
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return RequireRole(models.RolePricingAdmin, models.RoleAdmin)
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}
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func RequireAdmin() gin.HandlerFunc {
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return RequireRole(models.RoleAdmin)
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}
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// GetClaims extracts auth claims from context
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func GetClaims(c *gin.Context) *services.Claims {
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claims, exists := c.Get(AuthClaimsKey)
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if !exists {
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return nil
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}
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return claims.(*services.Claims)
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}
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// GetUserID extracts user ID from context
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func GetUserID(c *gin.Context) uint {
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claims := GetClaims(c)
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if claims == nil {
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return 0
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}
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return claims.UserID
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}
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// GetUsername extracts username from context
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func GetUsername(c *gin.Context) string {
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claims := GetClaims(c)
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if claims == nil {
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return ""
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}
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return claims.Username
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}
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