{% extends "base.html" %}
{% set active_page = "admin_settings" %}
{% block title %}
<title>Authentication Settings - {{ SITE_NAME }}</title>
{% endblock %} {% block dashboard_stat %}
<!-- Content Header (Page header) -->
<section class="content-header">
    <h1>
        Settings <small>PowerDNS-Admin settings</small>
    </h1>
    <ol class="breadcrumb">
        <li><a href="{{ url_for('dashboard') }}"><i class="fa fa-dashboard"></i> Home</a></li>
        <li><a href="#">Setting</a></li>
        <li class="active">Authentication</li>
    </ol>
    <script>
        function ldapSelection() {
            if (document.getElementById('ldap').checked) {
                document.getElementById('ldap_openldap_fields').style.display = 'block';
                document.getElementById('ldap_ad_fields').style.display = 'none';
            } else {
                document.getElementById('ldap_openldap_fields').style.display = 'none';
                document.getElementById('ldap_ad_fields').style.display = 'block';
            }
        }

        window.onload = function() {
            ldapSelection();
        }
    </script>
</section>
{% endblock %}
{% block content %}
<section class="content">
    <div class="row">
        <div class="col-lg-12">
            <div class="box box-primary">
                <div class="box-header with-border">
                    <h3 class="box-title">Authentication Settings</h3>
                </div>
                <div class="box-body">
                    {% if result %}
                    <div class="alert {% if result['status'] %}alert-success{% else %}alert-danger{% endif%} alert-dismissible">
                        <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
                        {{ result['msg'] }}
                    </div>
                    {% endif %}
                    <!-- Custom Tabs -->
                    <div class="nav-tabs-custom" id="tabs">
                        <ul class="nav nav-tabs">
                            <li class="active"><a href="#tabs-general" data-toggle="tab">General</a></li>
                            <li class="active"><a href="#tabs-ldap" data-toggle="tab">LDAP</a></li>
                            <li><a href="#tabs-google" data-toggle="tab">Google OAuth</a></li>
                            <li><a href="#tabs-github" data-toggle="tab">Github OAuth</a></li>
                        </ul>
                        <div class="tab-content">
                            <div class="tab-pane active" id="tabs-general">
                                <form role="form" method="post">
                                    <input type="hidden" value="general" name="config_tab" />
                                    <div class="form-group">
                                        <input type="checkbox" id="local_db_enabled" name="local_db_enabled" class="checkbox" {% if SETTING.get('local_db_enabled') %}checked{% endif %}>
                                        <label for="local_db_enabled">Local DB Authentication</label>
                                    </div>
                                    <div class="form-group">
                                        <input type="checkbox" id="signup_enabled" name="signup_enabled" class="checkbox" {% if SETTING.get('signup_enabled') %}checked{% endif %}>
                                        <label for="signup_enabled">Allow users to sign up</label>
                                    </div>
                                    <div class="form-group">
                                        <button type="submit" class="btn btn-flat btn-primary">Save</button>
                                    </div>
                                </form>
                            </div>
                            <div class="tab-pane active" id="tabs-ldap">
                                <div class="row">
                                    <div class="col-md-4">
                                        <form role="form" method="post" data-toggle="validator">
                                            <input type="hidden" value="ldap" name="config_tab" />
                                            <fieldset>
                                                <legend>GENERAL</legend>
                                                <div class="form-group">
                                                    <input type="checkbox" id="ldap_enabled" name="ldap_enabled" class="checkbox" {% if SETTING.get('ldap_enabled') %}checked{% endif %}>
                                                    <label for="ldap_enabled">Enable LDAP Authentication</label>
                                                </div>
                                                <div class="form-group">
                                                    <label>Type</label>
                                                    <div class="radio">
                                                        <label>
                                                            <input type="radio" name="ldap_type" id="ldap" onclick="javascript:ldapSelection();" value="ldap" {% if SETTING.get('ldap_type')=='ldap' %}checked{% endif %}> OpenLDAP
                                                        </label>
                                                        &nbsp;&nbsp;&nbsp;
                                                        <label>
                                                            <input type="radio" name="ldap_type" id="ad" onclick="javascript:ldapSelection();" value="ad" {% if SETTING.get('ldap_type')=='ad' %}checked{% endif %}> Active Directory
                                                        </label>
                                                    </div>
                                                </div>
                                            </fieldset>
                                            <fieldset>
                                                <legend>ADMINISTRATOR INFO</legend>
                                                <div class="form-group">
                                                    <label for="ldap_uri">LDAP URI</label>
                                                    <input type="text" class="form-control" name="ldap_uri" id="ldap_uri" placeholder="e.g. ldaps://your-ldap-server:636" data-error="Please input LDAP URI" value="{{ SETTING.get('ldap_uri') }}">
                                                </div>
                                                <div class="form-group">
                                                    <label for="ldap_base_dn">LDAP Base DN</label>
                                                    <input type="text" class="form-control" name="ldap_base_dn" id="ldap_base_dn" placeholder="e.g. dc=mydomain,dc=com" data-error="Please input LDAP Base DN" value="{{ SETTING.get('ldap_base_dn') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div id="ldap_openldap_fields">
                                                    <div class="form-group">
                                                        <label for="ldap_admin_username">LDAP admin username</label>
                                                        <input type="text" class="form-control" name="ldap_admin_username" id="ldap_admin_username" placeholder="e.g. cn=admin,dc=mydomain,dc=com" data-error="Please input LDAP admin username" value="{{ SETTING.get('ldap_admin_username') }}">
                                                        <span class="help-block with-errors"></span>
                                                    </div>
                                                    <div class="form-group">
                                                        <label for="ldap_admin_password">LDAP admin password</label>
                                                        <input type="password" class="form-control" name="ldap_admin_password" id="ldap_admin_password" placeholder="LDAP Admin password" data-error="Please input LDAP admin password" value="{{ SETTING.get('ldap_admin_password') }}">
                                                        <span class="help-block with-errors"></span>
                                                    </div>
                                                </div>
                                                <div id="ldap_ad_fields">
                                                    <div class="form-group">
                                                        <label for="ldap_domain">Active Directory domain</label>
                                                        <input type="text" class="form-control" name="ldap_domain" id="ldap_domain" placeholder="Active Directory domain" data-error="Please input Actve Directory domain value" value="{{ SETTING.get('ldap_domain') }}">
                                                        <span class="help-block with-errors"></span>
                                                    </div>
                                                </div>
                                            </fieldset>
                                            <fieldset>
                                                <legend>FILTERS</legend>
                                                <div class="form-group">
                                                    <label for="ldap_filter_basic">Basic filter</label>
                                                    <input type="text" class="form-control" name="ldap_filter_basic" id="ldap_filter_basic" placeholder="e.g. (objectClass=inetorgperson)" data-error="Please input LDAP filter" value="{{ SETTING.get('ldap_filter_basic') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="ldap_filter_username">Username field</label>
                                                    <input type="text" class="form-control" name="ldap_filter_username" id="ldap_filter_username" placeholder="e.g. uid" data-error="Please input field for username filtering" value="{{ SETTING.get('ldap_filter_username') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                            </fieldset>
                                            <fieldset>
                                                <legend>GROUP SECURITY</legend>
                                                <div class="form-group">
                                                    <label>Status</label>
                                                    <div class="radio">
                                                        <label>
                                                            <input type="radio" name="ldap_sg_enabled" id="ldap_sg_off" value="OFF" {% if not SETTING.get('ldap_sg_enabled') %}checked{% endif %}> OFF
                                                        </label>
                                                        &nbsp;&nbsp;&nbsp;
                                                        <label>
                                                            <input type="radio" name="ldap_sg_enabled" id="ldap_sg_on" value="ON" {% if SETTING.get('ldap_sg_enabled') %}checked{% endif %}> ON
                                                        </label>
                                                    </div>
                                                </div>
                                                <div class="form-group">
                                                    <label for="ldap_admin_group">Admin group</label>
                                                    <input type="text" class="form-control" name="ldap_admin_group" id="ldap_admin_group" placeholder="e.g. cn=sysops,dc=mydomain,dc=com"  data-error="Please input LDAP DN for Admin group" value="{{ SETTING.get('ldap_admin_group') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="ldap_operator_group">Operator group</label>
                                                    <input type="text" class="form-control" name="ldap_operator_group" id="ldap_operator_group" placeholder="e.g. cn=operators,dc=mydomain,dc=com" data-error="Please input LDAP DN for Operator group" value="{{ SETTING.get('ldap_operator_group') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="ldap_user_group">User group</label>
                                                    <input type="text" class="form-control" name="ldap_user_group" id="ldap_user_group" placeholder="e.g. cn=users,dc=mydomain,dc=com" data-error="Please input LDAP DN for User group" value="{{ SETTING.get('ldap_user_group') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                            </fieldset>
                                            <div class="form-group">
                                                <button type="submit" class="btn btn-flat btn-primary">Save</button>
                                            </div>
                                        </form>
                                    </div>
                                    <div class="col-md-8">
                                        <legend>Help</legend>
                                        <dl class="dl-horizontal">
                                            <dt>Enable LDAP Authentication</dt>
                                            <dd>Turn on / off the LDAP authentication.</dd>
                                            <dt>Type</dt>
                                            <dd>Select your current directory service type.
                                                <ul>
                                                    <li>
                                                        OpenLDAP - Open source implementation of the Lightweight Directory Access Protocol.
                                                    </li>
                                                    <li>
                                                        Active Directory - Active Directory is a directory service that Microsoft developed for the Windows domain networks.
                                                    </li>
                                                </ul>
                                            </dd>
                                            <dt>ADMINISTRATOR INFO</dt>
                                            <dd>Your LDAP connection string and admin credential used by PDA to query user information.
                                                <ul>
                                                    <li>
                                                        LDAP URI - The fully qualified domain names of your directory servers. (e.g. ldap://127.0.0.1:389)
                                                    </li>
                                                    <li>
                                                        LDAP Base DN - The point from where a PDA will search for users.
                                                    </li>
                                                    <li>
                                                        LDAP admin username - Your LDAP administrator user which has permission to query information in the Base DN above. Not needed for Active Directory authentication.
                                                    </li>
                                                    <li>
                                                        LDAP admin password - The password of LDAP administrator user. Not needed for Active Directory authentication.
                                                    </li>
                                                    <li>
                                                        Active Directory domain - Active Directory domain used.
                                                    </li>
                                                </ul>
                                            </dd>
                                            <dt>FILTERS</dt>
                                            <dd>Define how you want to filter your user in LDAP query.
                                                <ul>
                                                    <li>
                                                        Basic filter - The filter that will be applied to all LDAP query by PDA. (e.g. <i>(objectClass=inetorgperson)</i> for OpenLDAP and <i>(objectClass=organizationalPerson)</i> for Active Directory)
                                                    </li>
                                                    <li>
                                                        Username field - The field PDA will look for user's username. (e.g. <i>uid</i> for OpenLDAP and <i>sAMAccountName</i> for Active Directory)
                                                    </li>
                                                </ul>
                                            </dd>
                                            <dt>GROUP SECURITY</dt>
                                            <dd>User can be assigned to PDA's User or Admin group by matching following LDAP Group.
                                                <ul>
                                                    <li>
                                                        Status - Turn on / off group security feature.
                                                    </li>
                                                    <li>
                                                        Admin group - Your LDAP admin group.
                                                    </li>
                                                    <li>
                                                        Operator group - Your LDAP operator group.
                                                    </li>
                                                    <li>
                                                        User group - Your LDAP user group.
                                                    </li>
                                                </ul>
                                            </dd>
                                        </dl>
                                    </div>
                                </div>
                            </div>
                            <div class="tab-pane" id="tabs-google">
                                <div class="row">
                                    <div class="col-md-4">
                                        <form role="form" method="post" data-toggle="validator">
                                            <input type="hidden" value="google" name="config_tab" />
                                            <fieldset>
                                                <legend>GENERAL</legend>
                                                <div class="form-group">
                                                    <input type="checkbox" id="google_oauth_enabled" name="google_oauth_enabled" class="checkbox" {% if SETTING.get('google_oauth_enabled') %}checked{% endif %}>
                                                    <label for="google_oauth_enabled">Enable Google OAuth</label>
                                                </div>
                                                <div class="form-group">
                                                    <label for="google_oauth_client_id">Client ID</label>
                                                    <input type="text" class="form-control" name="google_oauth_client_id" id="google_oauth_client_id" placeholder="Google OAuth client ID" data-error="Please input Client ID" value="{{ SETTING.get('google_oauth_client_id') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="google_oauth_client_secret">Client secret</label>
                                                    <input type="text" class="form-control" name="google_oauth_client_secret" id="google_oauth_client_secret" placeholder="Google OAuth client secret" data-error="Please input Client secret" value="{{ SETTING.get('google_oauth_client_secret') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                            </fieldset>
                                            <fieldset>
                                                <legend>ADVANCE</legend>
                                                <div class="form-group">
                                                    <label for="google_token_url">Token URL</label>
                                                    <input type="text" class="form-control" name="google_token_url" id="google_token_url" placeholder="e.g. https://accounts.google.com/o/oauth2/token" data-error="Please input token URL" value="{{ SETTING.get('google_token_url') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="google_token_params">Token params</label>
                                                    <input type="text" class="form-control" name="google_token_params" id="google_token_params" placeholder="e.g. {'scope': 'email profile'}" data-error="Please input token params" value="{{ SETTING.get('google_token_params') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="google_authorize_url">Authorize URL</label>
                                                    <input type="text" class="form-control" name="google_authorize_url" id="google_authorize_url" placeholder="e.g. https://accounts.google.com/o/oauth2/auth" data-error="Please input Authorize URL" value="{{ SETTING.get('google_authorize_url') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="google_base_url">Base URL</label>
                                                    <input type="text" class="form-control" name="google_base_url" id="google_base_url" placeholder="e.g. https://www.googleapis.com/oauth2/v1/" data-error="Please input base URL" value="{{ SETTING.get('google_base_url') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                            </fieldset>
                                            <div class="form-group">
                                                <button type="submit" class="btn btn-flat btn-primary">Save</button>
                                            </div>
                                        </form>
                                    </div>
                                    <div class="col-md-8">
                                        <legend>Help</legend>
                                        <p>Fill in all the fields in the left form.</p>
                                        <p>Make sure you add PDA redirection URI (e.g http://localhost:9191/google/authorized) to your Google App Credentials Restriction.</p>
                                    </div>
                                </div>
                            </div>
                            <div class="tab-pane" id="tabs-github">
                                <div class="row">
                                    <div class="col-md-4">
                                        <form role="form" method="post" data-toggle="validator">
                                            <input type="hidden" value="github" name="config_tab" />
                                            <fieldset>
                                                <legend>GENERAL</legend>
                                                <div class="form-group">
                                                    <input type="checkbox" id="github_oauth_enabled" name="github_oauth_enabled" class="checkbox" {% if SETTING.get('github_oauth_enabled') %}checked{% endif %}>
                                                    <label for="github_oauth_enabled">Enable Github OAuth</label>
                                                </div>
                                                <div class="form-group">
                                                    <label for="github_oauth_key">Client key</label>
                                                    <input type="text" class="form-control" name="github_oauth_key" id="github_oauth_key" placeholder="Google OAuth client ID" data-error="Please input Client key" value="{{ SETTING.get('github_oauth_key') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="github_oauth_secret">Client secret</label>
                                                    <input type="text" class="form-control" name="github_oauth_secret" id="github_oauth_secret" placeholder="Google OAuth client secret" data-error="Please input Client secret" value="{{ SETTING.get('github_oauth_secret') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                            </fieldset>
                                            <fieldset>
                                                <legend>ADVANCE</legend>
                                                <div class="form-group">
                                                    <label for="github_oauth_scope">Scope</label>
                                                    <input type="text" class="form-control" name="github_oauth_scope" id="github_oauth_scope" placeholder="e.g. email" data-error="Please input scope" value="{{ SETTING.get('github_oauth_scope') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="github_oauth_api_url">API URL</label>
                                                    <input type="text" class="form-control" name="github_oauth_api_url" id="github_oauth_api_url" placeholder="e.g. https://api.github.com/user" data-error="Please input API URL" value="{{ SETTING.get('github_oauth_api_url') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="github_oauth_token_url">Token URL</label>
                                                    <input type="text" class="form-control" name="github_oauth_token_url" id="github_oauth_token_url" placeholder="e.g. https://github.com/login/oauth/access_token" data-error="Please input Token URL" value="{{ SETTING.get('github_oauth_token_url') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                                <div class="form-group">
                                                    <label for="github_oauth_authorize_url">Authorize URL</label>
                                                    <input type="text" class="form-control" name="github_oauth_authorize_url" id="github_oauth_authorize_url" placeholder="e.g. https://github.com/login/oauth/authorize" data-error="Plesae input Authorize URL" value="{{ SETTING.get('github_oauth_authorize_url') }}">
                                                    <span class="help-block with-errors"></span>
                                                </div>
                                            </fieldset>
                                            <div class="form-group">
                                                <button type="submit" class="btn btn-flat btn-primary">Save</button>
                                            </div>
                                        </form>
                                    </div>
                                    <div class="col-md-8">
                                        <legend>Help</legend>
                                        <p>Fill in all the fields in the left form.</p>
                                    </div>
                                </div>

                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</section>
{% endblock %}
{% block extrascripts %}
{% assets "js_validation" -%}
  <script type="text/javascript" src="{{ ASSET_URL }}"></script>
{%- endassets %}

<script>

    $(function() {
        $('#tabs').tabs({
            // add url anchor tags
            activate: function(event, ui) {
                window.location.hash = ui.newPanel.attr('id');
            }
        });
        // re-set active tab (ui)
        var activeTabIdx = $('#tabs').tabs('option','active');
        $('#tabs li:eq('+activeTabIdx+')').tab('show')
    });

    // START: General tab js
    $('#local_db_enabled').iCheck({
        checkboxClass : 'icheckbox_square-blue',
        increaseArea : '20%'
    })

    $('#signup_enabled').iCheck({
        checkboxClass : 'icheckbox_square-blue',
        increaseArea : '20%'
    })
    // END: General tab js

    // START: LDAP tab js
    // update validation requirement when checkbox is togged
    $('#ldap_enabled').iCheck({
        checkboxClass : 'icheckbox_square-blue',
        increaseArea : '20%'
    }).on('ifChanged', function(e) {
        var is_enabled = e.currentTarget.checked;
        if (is_enabled){
            $('#ldap_uri').prop('required', true);
            $('#ldap_base_dn').prop('required', true);
            if ($('#ldap').is(":checked") ) {
                $('#ldap_admin_username').prop('required', true);
                $('#ldap_admin_password').prop('required', true);
                $('#ldap_domain').prop('required', false);
            } else {
                $('#ldap_admin_username').prop('required', false);
                $('#ldap_admin_password').prop('required', false);
                $('#ldap_domain').prop('required', true);
            }
            $('#ldap_filter_basic').prop('required', true);
            $('#ldap_filter_username').prop('required', true);

            if ($('#ldap_sg_on').is(":checked")) {
                $('#ldap_admin_group').prop('required', true);
                $('#ldap_operator_group').prop('required', true);
                $('#ldap_user_group').prop('required', true);
            }

        } else {
            $('#ldap_uri').prop('required', false);
            $('#ldap_base_dn').prop('required', false);
            $('#ldap_admin_username').prop('required', false);
            $('#ldap_admin_password').prop('required', false);
            $('#ldap_filter_basic').prop('required', false);
            $('#ldap_filter_username').prop('required', false);

            if ($('#ldap_sg_on').is(":checked")) {
                $('#ldap_admin_group').prop('required', false);
                $('#ldap_operator_group').prop('required', false);
                $('#ldap_user_group').prop('required', false);
            }
        }
    });

    $("input[name='ldap_sg_enabled']" ).change(function(){
        if ($('#ldap_sg_on').is(":checked") && $('#ldap_enabled').is(":checked")) {
            $('#ldap_admin_group').prop('required', true);
            $('#ldap_operator_group').prop('required', true);
            $('#ldap_user_group').prop('required', true);
        } else {
            $('#ldap_admin_group').prop('required', false);
            $('#ldap_operator_group').prop('required', false);
            $('#ldap_user_group').prop('required', false);
        }
    });

    $("input[name='ldap_type']" ).change(function(){
        if ($('#ldap').is(":checked") && $('#ldap_enabled').is(":checked")) {
            $('#ldap_admin_group').prop('required', true);
            $('#ldap_operator_group').prop('required', true);
            $('#ldap_user_group').prop('required', true);
            $('#ldap_domain').prop('required', false);
        } else {
            $('#ldap_admin_group').prop('required', false);
            $('#ldap_operator_group').prop('required', false);
            $('#ldap_user_group').prop('required', false);
            $('#ldap_domain').prop('required', true);
        }
    });

    // init validation requirement at first time page load
    {% if SETTING.get('ldap_enabled') %}
        $('#ldap_uri').prop('required', true);
        $('#ldap_base_dn').prop('required', true);
        if ($('#ldap').is(":checked") ) {
            $('#ldap_admin_username').prop('required', true);
            $('#ldap_admin_password').prop('required', true);
            $('#ldap_domain').prop('required', false);
        } else {
            $('#ldap_admin_username').prop('required', false);
            $('#ldap_admin_password').prop('required', false);
            $('#ldap_domain').prop('required', true);
        }
        $('#ldap_filter_basic').prop('required', true);
        $('#ldap_filter_username').prop('required', true);

        if ($('#ldap_sg_on').is(":checked")) {
            $('#ldap_admin_group').prop('required', true);
            $('#ldap_operator_group').prop('required', true);
            $('#ldap_user_group').prop('required', true);
        }
    {% endif %}
    // END: LDAP tab js

    // START: Google tab js
    // update validation requirement when checkbox is togged
    $('#google_oauth_enabled').iCheck({
        checkboxClass : 'icheckbox_square-blue',
        increaseArea : '20%'
    }).on('ifChanged', function(e) {
        var is_enabled = e.currentTarget.checked;
        if (is_enabled){
            $('#google_oauth_client_id').prop('required', true);
            $('#google_oauth_client_secret').prop('required', true);
            $('#google_token_url').prop('required', true);
            $('#google_token_params').prop('required', true);
            $('#google_authorize_url').prop('required', true);
            $('#google_base_url').prop('required', true);
        } else {
            $('#google_oauth_client_id').prop('required', false);
            $('#google_oauth_client_secret').prop('required', false);
            $('#google_token_url').prop('required', false);
            $('#google_token_params').prop('required', false);
            $('#google_authorize_url').prop('required', false);
            $('#google_base_url').prop('required', false);
        }
    });

    // init validation requirement at first time page load
    {% if SETTING.get('google_oauth_enabled') %}
        $('#google_oauth_client_id').prop('required', true);
        $('#google_oauth_client_secret').prop('required', true);
        $('#google_token_url').prop('required', true);
        $('#google_token_params').prop('required', true);
        $('#google_authorize_url').prop('required', true);
        $('#google_base_url').prop('required', true);
    {% endif %}
    // END: Google tab js

    // START: Github tab js
    // update validation requirement when checkbox is togged
    $('#github_oauth_enabled').iCheck({
        checkboxClass : 'icheckbox_square-blue',
        increaseArea : '20%'
    }).on('ifChanged', function(e) {
        var is_enabled = e.currentTarget.checked;
        if (is_enabled){
            $('#github_oauth_key').prop('required', true);
            $('#github_oauth_secret').prop('required', true);
            $('#github_oauth_scope').prop('required', true);
            $('#github_oauth_api_url').prop('required', true);
            $('#github_oauth_token_url').prop('required', true);
            $('#github_oauth_authorize_url').prop('required', true);
        } else {
            $('#github_oauth_key').prop('required', false);
            $('#github_oauth_secret').prop('required', false);
            $('#github_oauth_scope').prop('required', false);
            $('#github_oauth_api_url').prop('required', false);
            $('#github_oauth_token_url').prop('required', false);
            $('#github_oauth_authorize_url').prop('required', false);
        }
    });

    // init validation requirement at first time page load
    {% if SETTING.get('google_oauth_enabled') %}
        $('#github_oauth_key').prop('required', true);
        $('#github_oauth_secret').prop('required', true);
        $('#github_oauth_scope').prop('required', true);
        $('#github_oauth_api_url').prop('required', true);
        $('#github_oauth_token_url').prop('required', true);
        $('#github_oauth_authorize_url').prop('required', true);
    {% endif %}
    // END: Github tab js

</script>
{% endblock %}