Add wireguard server key pair generation

This commit is contained in:
Khanh Ngo 2020-04-20 00:15:25 +07:00
parent febf075f8d
commit d5ff0cb704
No known key found for this signature in database
GPG key ID: D5FAA6A16150E49E
5 changed files with 113 additions and 8 deletions

View file

@ -76,10 +76,11 @@ func NewClient() echo.HandlerFunc {
guid := xid.New()
client.ID = guid.String()
// gen Wireguard key pairs
// gen Wireguard key pair
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
return err
log.Error("Cannot generate wireguard key pair: ", err)
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot generate Wireguard key pair"})
}
client.PrivateKey = key.String()
client.PublicKey = key.PublicKey().String()
@ -139,9 +140,15 @@ func WireGuardServer() echo.HandlerFunc {
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)
}
return c.Render(http.StatusOK, "server.html", map[string]interface{}{
"name": "Khanh",
"serverInterface": serverInterface,
"serverKeyPair": serverKeyPair,
})
}
}
@ -173,3 +180,32 @@ func WireGuardServerInterfaces() echo.HandlerFunc {
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Updated interface addresses successfully"})
}
}
// WireGuardServerKeyPair handler to generate private and public keys
func WireGuardServerKeyPair() echo.HandlerFunc {
return func(c echo.Context) error {
// gen Wireguard key pair
key, err := wgtypes.GeneratePrivateKey()
if err != nil {
log.Error("Cannot generate wireguard key pair: ", err)
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot generate Wireguard key pair"})
}
serverKeyPair := new(model.ServerKeypair)
serverKeyPair.PrivateKey = key.String()
serverKeyPair.PublicKey = key.PublicKey().String()
serverKeyPair.UpdatedAt = time.Now().UTC()
// write config to the database
dir := "./db"
db, err := scribble.New(dir, nil)
if err != nil {
log.Error("Cannot initialize the database: ", err)
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot access database"})
}
db.Write("server", "keypair", serverKeyPair)
log.Infof("Updated wireguard server interfaces settings: %v", serverKeyPair)
return c.JSON(http.StatusOK, serverKeyPair)
}
}

View file

@ -13,5 +13,6 @@ func main() {
app.POST("/remove-client", handler.RemoveClient())
app.GET("/wg-server", handler.WireGuardServer())
app.POST("wg-server/interfaces", handler.WireGuardServerInterfaces())
app.POST("wg-server/keypair", handler.WireGuardServerKeyPair())
app.Logger.Fatal(app.Start("127.0.0.1:5000"))
}

View file

@ -13,7 +13,7 @@ type Server struct {
// ServerKeypair model
type ServerKeypair struct {
PrivateKey string `json:"private_key"`
PublicKey string `json:"pulbic_key"`
PublicKey string `json:"public_key"`
UpdatedAt time.Time `json:"updated_at"`
}

View file

@ -67,7 +67,7 @@ Wireguard Clients
</div>
<div class="modal-footer justify-content-between">
<button type="button" class="btn btn-outline-light" data-dismiss="modal">Cancel</button>
<button type="button" class="btn btn-outline-light" id="remove_client_confirm" value="xxx">Apply</button>
<button type="button" class="btn btn-outline-light" id="remove_client_confirm">Apply</button>
</div>
</div>
<!-- /.modal-content -->

View file

@ -57,21 +57,25 @@ Wireguard Server Settings
<div class="form-group">
<label for="private_key">Private Key</label>
<div class="input-group input-group">
<input type="text" class="form-control" id="private_key" placeholder="Private Key">
<input type="password" class="form-control" id="private_key" placeholder="Private Key"
value="{{ .serverKeyPair.PrivateKey }}" disabled>
<span class="input-group-append">
<button type="button" class="btn btn-danger btn-flat">Show</button>
<button type="button" class="btn btn-danger btn-flat"
id="btn_show_private_key">Show</button>
</span>
</div>
</div>
<div class="form-group">
<label for="public_key">Public Key</label>
<input type="text" class="form-control" id="public_key" placeholder="Public Key">
<input type="text" class="form-control" id="public_key" placeholder="Public Key"
value="{{ .serverKeyPair.PublicKey }}" disabled>
</div>
</div>
<!-- /.card-body -->
<div class="card-footer">
<button type="submit" class="btn btn-danger">Regenerate</button>
<button type="button" class="btn btn-danger" data-toggle="modal"
data-target="#modal_keypair_confirmation">Generate</button>
</div>
</form>
</div>
@ -81,6 +85,30 @@ Wireguard Server Settings
<!-- /.row -->
</div>
</section>
<div class="modal fade" id="modal_keypair_confirmation">
<div class="modal-dialog">
<div class="modal-content bg-warning">
<div class="modal-header">
<h4 class="modal-title">KeyPair Generation</h4>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>
</div>
<div class="modal-body">
<p>Are you sure to generate a new key pair for the Wireguard server?<br/>
The existing Clients's peer public key need to be updated to keep the connection working.</p>
</div>
<div class="modal-footer justify-content-between">
<button type="button" class="btn btn-outline-dark" data-dismiss="modal">Cancel</button>
<button type="button" class="btn btn-outline-dark" id="btn_generate_confirm">Generate</button>
</div>
</div>
<!-- /.modal-content -->
</div>
<!-- /.modal-dialog -->
</div>
<!-- /.modal -->
{{end}}
{{define "bottom_js"}}
@ -161,5 +189,45 @@ Wireguard Server Settings
}
});
});
// Wireguard Key Pair generation confirmation button
$(document).ready(function () {
$('#btn_generate_confirm').click(function () {
$.ajax({
cache: false,
method: 'POST',
url: '/wg-server/keypair',
dataType: 'json',
contentType: "application/json",
success: function(data) {
$('#modal_keypair_confirmation').modal('hide');
toastr.success('Generate new key pair successfully');
// update the UI
$('#private_key').val(data['private_key']);
$('#public_key').val(data['public_key']);
},
error: function(jqXHR, exception) {
var responseJson = jQuery.parseJSON(jqXHR.responseText);
toastr.error(responseJson['message']);
}
});
});
});
// Show private key button event
$(document).ready(function () {
$('#btn_show_private_key').click(function () {
var privateElement = document.getElementById("private_key");
var btnElement = document.getElementById("btn_show_private_key");
console.log(privateElement);
if (privateElement.type === 'password') {
privateElement.type = 'text';
btnElement.innerText = 'Hide';
} else {
privateElement.type = 'password';
btnElement.innerText = 'Show';
}
});
});
</script>
{{end}}