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Remove hardcoded values in the client config generation

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This commit is contained in:
Khanh Ngo 2020-04-20 10:36:20 +07:00
parent e99a5ba92b
commit deecd9c267
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GPG key ID: D5FAA6A16150E49E
2 changed files with 28 additions and 11 deletions
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24
handler/routes.go
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@ -31,6 +31,28 @@ func WireGuardClients() echo.HandlerFunc {
log.Error("Cannot fetch clients from database: ", err) log.Error("Cannot fetch clients from database: ", err)
} }
// read server information
serverInterface := model.ServerInterface{}
if err := db.Read("server", "interfaces", &serverInterface); err != nil {
log.Error("Cannot fetch server interface config from database: ", err)
}
serverKeyPair := model.ServerKeypair{}
if err := db.Read("server", "keypair", &serverKeyPair); err != nil {
log.Error("Cannot fetch server key pair from database: ", err)
}
// read global settings
globalSettings := model.GlobalSetting{}
if err := db.Read("server", "global_settings", &globalSettings); err != nil {
log.Error("Cannot fetch global settings from database: ", err)
}
server := model.Server{}
server.Interface = &serverInterface
server.KeyPair = &serverKeyPair
// read client information and build a client list
clientDataList := []model.ClientData{} clientDataList := []model.ClientData{}
for _, f := range records { for _, f := range records {
client := model.Client{} client := model.Client{}
@ -43,7 +65,7 @@ func WireGuardClients() echo.HandlerFunc {
clientData.Client = &client clientData.Client = &client
// generate client qrcode image in base64 // generate client qrcode image in base64
png, err := qrcode.Encode(util.BuildClientConfig(client), qrcode.Medium, 256) png, err := qrcode.Encode(util.BuildClientConfig(client, server, globalSettings), qrcode.Medium, 256)
if err != nil { if err != nil {
log.Error("Cannot generate QRCode: ", err) log.Error("Cannot generate QRCode: ", err)
} }

15
util/util.go
View file

@ -8,23 +8,18 @@ import (
"github.com/ngoduykhanh/wireguard-ui/model" "github.com/ngoduykhanh/wireguard-ui/model"
) )
const wgConfigDNS = "1.1.1.1, 8.8.8.8"
const wgConfigPersistentKeepalive = 15
const wgConfigEndpoint = "wireguard.example.com:56231"
const wgConfigServerPublicKey = "/OKCBc8PxIqCpgqlE9G1kSaTecdAvYf3loEwFj6MXDc="
// BuildClientConfig to create wireguard client config string // BuildClientConfig to create wireguard client config string
func BuildClientConfig(client model.Client) string { func BuildClientConfig(client model.Client, server model.Server, setting model.GlobalSetting) string {
// Interface section // Interface section
clientAddress := fmt.Sprintf("Address = %s", strings.Join(client.AllocatedIPs, ",")) clientAddress := fmt.Sprintf("Address = %s", strings.Join(client.AllocatedIPs, ","))
clientPrivateKey := fmt.Sprintf("PrivateKey = %s", client.PrivateKey) clientPrivateKey := fmt.Sprintf("PrivateKey = %s", client.PrivateKey)
clientDNS := fmt.Sprintf("DNS = %s", wgConfigDNS) clientDNS := fmt.Sprintf("DNS = %s", strings.Join(setting.DNSServers, ","))
// Peer section // Peer section
peerPublicKey := fmt.Sprintf("PublicKey = %s", wgConfigServerPublicKey) peerPublicKey := fmt.Sprintf("PublicKey = %s", server.KeyPair.PublicKey)
peerAllowedIPs := fmt.Sprintf("AllowedIPs = %s", strings.Join(client.AllowedIPs, ",")) peerAllowedIPs := fmt.Sprintf("AllowedIPs = %s", strings.Join(client.AllowedIPs, ","))
peerEndpoint := fmt.Sprintf("Endpoint = %s", wgConfigEndpoint) peerEndpoint := fmt.Sprintf("Endpoint = %s:%d", setting.EndpointAddress, server.Interface.ListenPort)
peerPersistentKeepalive := fmt.Sprintf("PersistentKeepalive = %d", wgConfigPersistentKeepalive) peerPersistentKeepalive := fmt.Sprintf("PersistentKeepalive = %d", setting.PersistentKeepalive)
// build the config as string // build the config as string
strConfig := "[Interface]\n" + strConfig := "[Interface]\n" +