77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
package util
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import (
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"fmt"
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"net"
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"strings"
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"github.com/ngoduykhanh/wireguard-ui/model"
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)
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const wgConfigDNS = "1.1.1.1, 8.8.8.8"
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const wgConfigPersistentKeepalive = 15
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const wgConfigEndpoint = "wireguard.example.com:56231"
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const wgConfigServerPublicKey = "/OKCBc8PxIqCpgqlE9G1kSaTecdAvYf3loEwFj6MXDc="
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// BuildClientConfig to create wireguard client config string
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func BuildClientConfig(client model.Client) string {
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// Interface section
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clientAddress := fmt.Sprintf("Address = %s", strings.Join(client.AllocatedIPs, ","))
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clientPrivateKey := fmt.Sprintf("PrivateKey = %s", client.PrivateKey)
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clientDNS := fmt.Sprintf("DNS = %s", wgConfigDNS)
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// Peer section
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peerPublicKey := fmt.Sprintf("PublicKey = %s", wgConfigServerPublicKey)
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peerAllowedIPs := fmt.Sprintf("AllowedIPs = %s", strings.Join(client.AllowedIPs, ","))
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peerEndpoint := fmt.Sprintf("Endpoint = %s", wgConfigEndpoint)
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peerPersistentKeepalive := fmt.Sprintf("PersistentKeepalive = %d", wgConfigPersistentKeepalive)
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// build the config as string
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strConfig := "[Interface]\n" +
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clientAddress + "\n" +
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clientPrivateKey + "\n" +
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clientDNS + "\n\n" +
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"[Peer]" + "\n" +
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peerPublicKey + "\n" +
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peerAllowedIPs + "\n" +
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peerEndpoint + "\n" +
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peerPersistentKeepalive + "\n"
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return strConfig
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}
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// ValidateCIDR to validate a network CIDR
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func ValidateCIDR(cidr string) bool {
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_, _, err := net.ParseCIDR(cidr)
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if err != nil {
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return false
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}
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return true
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}
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// ValidateCIDRList to validate a list of network CIDR
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func ValidateCIDRList(cidrs []string) bool {
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for _, cidr := range cidrs {
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if ValidateCIDR(cidr) == false {
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return false
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}
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}
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return true
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}
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// ValidateAllowedIPs to validate allowed ip addresses in CIDR format
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func ValidateAllowedIPs(cidrs []string) bool {
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if ValidateCIDRList(cidrs) == false {
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return false
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}
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return true
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}
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// ValidateServerAddresses to validate allowed ip addresses in CIDR format
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func ValidateServerAddresses(cidrs []string) bool {
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if ValidateCIDRList(cidrs) == false {
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return false
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}
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return true
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}
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