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Add global setting form

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Khanh Ngo 2020-04-20 09:54:41 +07:00
parent 6f8e5cdbca
commit e99a5ba92b
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GPG key ID: D5FAA6A16150E49E
7 changed files with 240 additions and 1 deletions
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50
handler/routes.go
View file

@ -209,3 +209,53 @@ func WireGuardServerKeyPair() echo.HandlerFunc {
return c.JSON(http.StatusOK, serverKeyPair)
}
}
// GlobalSettings handler
func GlobalSettings() echo.HandlerFunc {
return func(c echo.Context) error {
// initialize database directory
dir := "./db"
db, err := scribble.New(dir, nil)
if err != nil {
log.Error("Cannot initialize the database: ", err)
}
globalSettings := model.GlobalSetting{}
if err := db.Read("server", "global_settings", &globalSettings); err != nil {
log.Error("Cannot fetch global settings from database: ", err)
}
return c.Render(http.StatusOK, "global_settings.html", map[string]interface{}{
"name": "Khanh",
"globalSettings": globalSettings,
})
}
}
// GlobalSettingSubmit handler to update the global settings
func GlobalSettingSubmit() echo.HandlerFunc {
return func(c echo.Context) error {
globalSettings := new(model.GlobalSetting)
c.Bind(globalSettings)
// validate the input dns server list
if util.ValidateIPAddressList(globalSettings.DNSServers) == false {
log.Warnf("Invalid DNS server list input from user: %v", globalSettings.DNSServers)
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Invalid DNS server address"})
}
globalSettings.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", "global_settings", globalSettings)
log.Infof("Updated global settings: %v", globalSettings)
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Updated global settings successfully"})
}
}

2
main.go
View file

@ -14,5 +14,7 @@ func main() {
app.GET("/wg-server", handler.WireGuardServer())
app.POST("wg-server/interfaces", handler.WireGuardServerInterfaces())
app.POST("wg-server/keypair", handler.WireGuardServerKeyPair())
app.GET("/global-settings", handler.GlobalSettings())
app.POST("/global-settings", handler.GlobalSettingSubmit())
app.Logger.Fatal(app.Start("127.0.0.1:5000"))
}

14
model/setting.go Normal file
View file

@ -0,0 +1,14 @@
package model
import (
"time"
)
// GlobalSetting model
type GlobalSetting struct {
EndpointAddress string `json:"endpoint_address"`
DNSServers []string `json:"dns_servers"`
MTU int `json:"mtu,string"`
PersistentKeepalive int `json:"persistent_keepalive,string"`
UpdatedAt time.Time `json:"updated_at"`
}

1
router/router.go
View file

@ -31,6 +31,7 @@ func New() *echo.Echo {
templates := make(map[string]*template.Template)
templates["clients.html"] = template.Must(template.ParseFiles("templates/clients.html", "templates/base.html"))
templates["server.html"] = template.Must(template.ParseFiles("templates/server.html", "templates/base.html"))
templates["global_settings.html"] = template.Must(template.ParseFiles("templates/global_settings.html", "templates/base.html"))
e.Logger.SetLevel(log.DEBUG)
e.Pre(middleware.RemoveTrailingSlash())

2
templates/base.html
View file

@ -102,7 +102,7 @@
</a>
</li>
<li class="nav-item">
<a href="/golbal-settings" class="nav-link">
<a href="/global-settings" class="nav-link">
<i class="nav-icon fas fa-cog"></i>
<p>
Global Settings

154
templates/global_settings.html Normal file
View file

@ -0,0 +1,154 @@
{{define "title"}}
Global Settings
{{end}}
{{define "username"}}
{{index . "name"}}
{{end}}
{{define "page_title"}}
Global Settings
{{end}}
{{define "page_content"}}
<section class="content">
<div class="container-fluid">
<!-- <h5 class="mt-4 mb-2">Global Settings</h5> -->
<div class="row">
<!-- left column -->
<div class="col-md-6">
<div class="card card-success">
<div class="card-header">
<h3 class="card-title">Wireguard Global Settings</h3>
</div>
<!-- /.card-header -->
<!-- form start -->
<form role="form" id="frm_global_settings" name="frm_global_settings">
<div class="card-body">
<div class="form-group">
<label for="endpoint_address">Endpoint Address</label>
<input type="text" class="form-control" id="endpoint_address" name="endpoint_address" placeholder="Endpoint Address"
value="{{ .globalSettings.EndpointAddress }}">
</div>
<div class="form-group">
<label for="dns_servers" class="control-label">DNS Servers</label>
<input type="text" data-role="tagsinput" class="form-control" id="dns_servers" value="">
</div>
<div class="form-group">
<label for="mtu">MTU</label>
<input type="text" class="form-control" id="mtu" name="mtu" placeholder="MTU"
value="{{ .globalSettings.MTU }}">
</div>
<div class="form-group">
<label for="persistent_keepalive">Persistent Keepalive</label>
<input type="text" class="form-control" id="persistent_keepalive"
name="persistent_keepalive" placeholder="Persistent Keepalive"
value="{{ .globalSettings.PersistentKeepalive }}">
</div>
</div>
<!-- /.card-body -->
<div class="card-footer">
<button type="submit" class="btn btn-success">Save</button>
</div>
</form>
</div>
<!-- /.card -->
</div>
</div>
<!-- /.row -->
</div>
</section>
{{end}}
{{define "bottom_js"}}
<script>
function submitGlobalSettings() {
var endpoint_address = $("#endpoint_address").val();
var dns_servers = $("#dns_servers").val().split(",");
var mtu = $("#mtu").val();
var persistent_keepalive = $("#persistent_keepalive").val();
var data = {"endpoint_address": endpoint_address, "dns_servers": dns_servers, "mtu": mtu, "persistent_keepalive": persistent_keepalive};
$.ajax({
cache: false,
method: 'POST',
url: '/global-settings',
dataType: 'json',
contentType: "application/json",
data: JSON.stringify(data),
success: function(data) {
$('#modal_new_client').modal('hide');
toastr.success('Update global settings successfully');
},
error: function(jqXHR, exception) {
var responseJson = jQuery.parseJSON(jqXHR.responseText);
toastr.error(responseJson['message']);
}
});
}
</script>
<script>
// Wireguard Interface DNS server tag input
$('#dns_servers').tagsInput({
'width': '100%',
'height': '75%',
'interactive': true,
'defaultText': 'Add More',
'removeWithBackspace': true,
'minChars': 0,
'maxChars': 18,
'placeholderColor': '#666666'
});
// Load DNS server to the form
{{range .globalSettings.DNSServers}}
$('#dns_servers').addTag('{{.}}');
{{end}}
// Global setting form validation
$(document).ready(function () {
$.validator.setDefaults({
submitHandler: function () {
submitGlobalSettings();
}
});
$('#frm_global_settings').validate({
rules: {
mtu: {
required: true,
digits: true,
range: [68, 65535]
},
persistent_keepalive: {
required: true,
digits: true
}
},
messages: {
mtu: {
required: "Please enter a MTU value",
digits: "MTU must be an integer",
range: "MTU must be in range 68..65535"
},
persistent_keepalive: {
required: "Please enter a Persistent Keepalive value",
digits: "Persistent keepalive must be an integer"
}
},
errorElement: 'span',
errorPlacement: function (error, element) {
error.addClass('invalid-feedback');
element.closest('.form-group').append(error);
},
highlight: function (element, errorClass, validClass) {
$(element).addClass('is-invalid');
},
unhighlight: function (element, errorClass, validClass) {
$(element).removeClass('is-invalid');
}
});
});
</script>
{{end}}

18
util/util.go
View file

@ -74,3 +74,21 @@ func ValidateServerAddresses(cidrs []string) bool {
}
return true
}
// ValidateIPAddress to validate the IPv4 and IPv6 address
func ValidateIPAddress(ip string) bool {
if net.ParseIP(ip) == nil {
return false
}
return true
}
// ValidateIPAddressList to validate a list of IPv4 and IPv6 addresses
func ValidateIPAddressList(ips []string) bool {
for _, ip := range ips {
if ValidateIPAddress(ip) == false {
return false
}
}
return true
}