chore: clean .gitignore cache

backend/internal/utils/ip_helpers.go

@@ -1,52 +0,0 @@
-package utils
-
-import (
-	"net"
-
-	"github.com/Wikid82/charon/backend/internal/network"
-)
-
-// IsPrivateIP checks if the given host string is a private IPv4 address.
-// Returns false for hostnames, invalid IPs, or public IP addresses.
-//
-// Deprecated: This function only checks IPv4. For comprehensive SSRF protection,
-// use network.IsPrivateIP() directly which handles IPv4, IPv6, and IPv4-mapped IPv6.
-func IsPrivateIP(host string) bool {
-	ip := net.ParseIP(host)
-	if ip == nil {
-		return false
-	}
-
-	// Ensure it's IPv4 (for backward compatibility)
-	ip4 := ip.To4()
-	if ip4 == nil {
-		return false
-	}
-
-	// Use centralized network.IsPrivateIP for consistent checking
-	return network.IsPrivateIP(ip)
-}
-
-// IsDockerBridgeIP checks if the given host string is likely a Docker bridge network IP.
-// Docker typically uses 172.17.x.x for the default bridge and 172.18-31.x.x for user-defined networks.
-// Returns false for hostnames, invalid IPs, or non-Docker IP addresses.
-func IsDockerBridgeIP(host string) bool {
-	ip := net.ParseIP(host)
-	if ip == nil {
-		return false
-	}
-
-	// Ensure it's IPv4
-	ip4 := ip.To4()
-	if ip4 == nil {
-		return false
-	}
-
-	// Docker bridge network CIDR range: 172.16.0.0/12
-	_, dockerNetwork, err := net.ParseCIDR("172.16.0.0/12")
-	if err != nil {
-		return false
-	}
-
-	return dockerNetwork.Contains(ip4)
-}