luci-app-ddns: convert to client side implementation

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>

2 files changed, 1040 insertions, 0 deletions

diff --git a/applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js b/applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js
new file mode 100644
index 000000000..f19445366
--- /dev/null
+++ b/applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js
@@ -0,0 +1,994 @@
+'use strict';
+'require uci';
+'require rpc';
+'require fs';
+'require form';
+'require tools.widgets as widgets';
+
+var callGetLogServices, callInitAction, callDDnsGetStatus;
+
+var NextUpdateStrings = {};
+
+NextUpdateStrings = {
+	'Verify' : _("Verify"),
+	'Run once' : _("Run once"),
+	'Disabled' : _("Disabled"),
+	'Stopped' : _("Stopped")
+}
+
+var time_res = {};
+time_res['seconds'] = 1;
+time_res['minutes'] = 60;
+time_res['hours'] = 3600;
+
+callGetLogServices = rpc.declare({
+	object: 'luci.ddns',
+	method: 'get_services_log',
+	params: [ 'service_name' ],
+	expect: {  },
+});
+
+callInitAction = rpc.declare({
+	object: 'luci',
+	method: 'setInitAction',
+	params: [ 'name', 'action' ],
+	expect: { result: false }
+});
+
+callDDnsGetStatus = rpc.declare({
+	object: 'luci.ddns',
+	method: 'get_ddns_state',
+	expect: {  }
+});
+
+return L.view.extend({
+
+	callDDnsGetEnv: rpc.declare({
+		object: 'luci.ddns',
+		method: 'get_env',
+		expect: {  }
+	}),
+
+	callDDnsGetServicesStatus: rpc.declare({
+		object: 'luci.ddns',
+		method: 'get_services_status',
+		expect: {  }
+	}),
+
+	poll_status: function(map, data) {
+		var status = data[1] || [], service = data[0] || [], rows = map.querySelectorAll('.cbi-section-table-row[data-sid]'),
+			section_id, cfg_detail_ip, cfg_update, cfg_status, host, ip, last_update,
+			next_update, service_status, reload, cfg_enabled, stop,
+			ddns_enabled = map.querySelector('[data-name="_enabled"]').querySelector('.cbi-value-field'),
+			ddns_toggle = map.querySelector('[data-name="_toggle"]').querySelector('button');
+
+		ddns_toggle.innerHTML = status['_enabled'] ? _('Stop DDNS') : _('Start DDNS')
+
+		L.dom.content(ddns_enabled, function() {
+			return E([], [
+				E('div', {}, status['_enabled'] ? _('DDNS Autostart enabled') : [
+					_('DDNS Autostart disabled'),
+					E('div', { 'class' : 'cbi-value-description' },
+					_("Currently DDNS updates are not started at boot or on interface events.") + "<br>" +
+					_("This is the default if you run DDNS scripts by yourself (i.e. via cron with force_interval set to '0')"))
+				]),]);
+		});
+
+		for (var i = 0; i < rows.length; i++) {
+			section_id = rows[i].getAttribute('data-sid');
+			cfg_detail_ip = rows[i].querySelector('[data-name="_cfg_detail_ip"]');
+			cfg_update = rows[i].querySelector('[data-name="_cfg_update"]');
+			cfg_status = rows[i].querySelector('[data-name="_cfg_status"]');
+			reload = rows[i].querySelector('.cbi-section-actions .reload');
+			stop = rows[i].querySelector('.cbi-section-actions .stop');
+			cfg_enabled = uci.get('ddns', section_id, 'enabled');
+
+			reload.disabled = (status['_enabled'] == 0 || cfg_enabled == 0);
+
+			host = uci.get('ddns', section_id, 'lookup_host') || _('Configuration Error');
+			ip =  _('No Data');
+			last_update = _('Never');
+			next_update = _('Unknown');
+			service_status = '<b>' + _('Not Running') + '</b>';
+
+			if (service[section_id]) {
+				stop.disabled = (!service[section_id].pid || (service[section_id].pid && cfg_enabled == '1'));
+				if (service[section_id].ip)
+					ip = service[section_id].ip;
+				if (service[section_id].last_update)
+					last_update = service[section_id].last_update;
+				if (service[section_id].next_update)
+					next_update = NextUpdateStrings[service[section_id].next_update] || service[section_id].next_update;
+				if (service[section_id].pid)
+					service_status = '<b>' + _('Running') + '</b> : ' + service[section_id].pid;
+			}
+
+			cfg_detail_ip.innerHTML = host + '<br>' + ip;
+			cfg_update.innerHTML = last_update + '<br>' + next_update;
+			cfg_status.innerHTML = service_status;
+		}
+
+		return;
+	},
+
+	load: function() {
+		return Promise.all([
+			this.callDDnsGetServicesStatus(),
+			callDDnsGetStatus(),
+			this.callDDnsGetEnv(),
+			fs.lines('/etc/ddns/services'),
+			fs.lines('/etc/ddns/services_ipv6'),
+			uci.load('ddns')
+		]);
+	},
+
+	render: function(data) {
+		var resolved = data[0] || [];
+		var status = data[1] || [];
+		var env = data[2] || [];
+		var logdir = uci.get('ddns', 'global', 'ddns_logdir') || "/var/log/ddns";
+
+		var services4 = [];
+		var services6 = [];
+
+		data[3].forEach(function(item) {
+			if (!item.startsWith("#")) {
+				services4.push(item.split('\t')[0].slice(1,-1));
+			}
+		});
+
+		data[4].forEach(function(item) {
+			if (!item.startsWith("#")) {
+				services6.push(item.split('\t')[0].slice(1,-1));
+			}
+		});
+
+		var m, s, o;
+
+		m = new form.Map('ddns', _('Dynamic DNS'),);
+
+		var is = m.section(form.NamedSection, 'global', 'ddns', _('Information'));
+
+		s = is;
+
+		o = s.option(form.DummyValue, '_version', _('Dynamic DNS Version'));
+		o.cfgvalue = function() {
+			return status[this.option];
+		};
+
+		o = s.option(form.DummyValue, '_enabled', _('State'));
+		o.cfgvalue = function() {
+			var res = status[this.option];
+			if (!res) {
+				this.description = _("Currently DDNS updates are not started at boot or on interface events.") + "<br>" +
+				_("This is the default if you run DDNS scripts by yourself (i.e. via cron with force_interval set to '0')")
+			}
+			return res ? _('DDNS Autostart enabled') : _('DDNS Autostart disabled')
+		};
+
+		o = s.option(form.DummyValue, '_toggle', '&nbsp');
+		o.cfgvalue = function() {
+			var action = status['_enabled'] ? 'stop' : 'start';
+			return E([], [
+				E('button', {
+				'class': 'cbi-button cbi-button-apply',
+				'click': L.ui.createHandlerFn(this, function() {
+					return callDDnsGetStatus().then(L.bind(function(data) {
+						return callInitAction('ddns', action == 'stop' ? 'disable' : 'enable').then(function() {
+							return callInitAction('ddns', action);
+						});
+					}, this)).then(L.bind(m.render, m));
+				})
+			}, _(action.toUpperCase() + ' DDns'))]);
+		};
+
+		o = s.option(form.DummyValue, '_restart', '&nbsp');
+		o.cfgvalue = function() {
+			return E([], [
+				E('button', {
+				'class': 'cbi-button cbi-button-apply',
+				'click': L.ui.createHandlerFn(this, function() {
+					return callInitAction('ddns', 'restart').then(L.bind(m.render, m));
+				})
+			}, _('Restart DDns'))]);
+		};
+
+		// DDns hints
+
+		if (!env['has_ipv6']) {
+			o = s.option(form.DummyValue, '_no_ipv6');
+			o.rawhtml  = true;
+			o.title = '<b>' + _("IPv6 not supported") + '</b>';
+			o.cfgvalue = function() { return _("IPv6 is currently not (fully) supported by this system") + "<br>" +
+			_("Please follow the instructions on OpenWrt's homepage to enable IPv6 support") + "<br>" +
+			_("or update your system to the latest OpenWrt Release")};
+		}
+
+		if (!env['has_ssl']) {
+			o = s.option(form.DummyValue, '_no_https');
+			o.titleref = L.url("admin", "system", "opkg")
+			o.rawhtml  = true;
+			o.title = '<b>' + _("HTTPS not supported") + '</b>';
+			o.cfgvalue = function() { return _("Neither GNU Wget with SSL nor cURL installed to support secure updates via HTTPS protocol.") +
+			"<br />- " +
+			_("You should install 'wget' or 'curl' or 'uclient-fetch' with 'libustream-*ssl' package.") +
+			"<br />- " +
+			_("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")};
+		}
+
+		if (!env['has_bindnet']) {
+			o = s.option(form.DummyValue, '_no_bind_network');
+			o.titleref = L.url("admin", "system", "opkg")
+			o.rawhtml  = true;
+			o.title = '<b>' + _("Binding to a specific network not supported") + '</b>';
+			o.cfgvalue = function() { return _("Neither GNU Wget with SSL nor cURL installed to select a network to use for communication.") +
+			"<br />- " +
+			_("You should install 'wget' or 'curl' package.") +
+			"<br />- " +
+			_("GNU Wget will use the IP of given network, cURL will use the physical interface.") +
+			"<br />- " +
+			_("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")};
+		}
+
+		if (!env['has_proxy']) {
+			o = s.option(form.DummyValue, '_no_proxy');
+			o.titleref = L.url("admin", "system", "opkg")
+			o.rawhtml  = true;
+			o.title = '<b>' + _("cURL without Proxy Support") + '</b>';
+			o.cfgvalue = function() { return _("cURL is installed, but libcurl was compiled without proxy support.") +
+			"<br />- " +
+			_("You should install 'wget' or 'uclient-fetch' package or replace libcurl.") +
+			"<br />- " +
+			_("In some versions cURL/libcurl in OpenWrt is compiled without proxy support.")};
+		}
+
+		if (!env['has_forceip']) {
+			o = s.option(form.DummyValue, '_no_force_ip');
+			o.titleref = L.url("admin", "system", "opkg")
+			o.rawhtml  = true;
+			o.title = '<b>' + _("Force IP Version not supported") + '</b>';
+			o.cfgvalue = function() { return _("BusyBox's nslookup and Wget do not support to specify " +
+				"the IP version to use for communication with DDNS Provider!") +
+				"<br />- " + _("You should install 'wget' or 'curl' or 'uclient-fetch' package.")
+			};
+		}
+
+		if (!env['has_bindhost']) {
+			o = s.option(form.DummyValue, '_no_dnstcp');
+			o.titleref = L.url("admin", "system", "opkg")
+			o.rawhtml  = true;
+			o.title = '<b>' + _("DNS requests via TCP not supported") + '</b>';
+			o.cfgvalue = function() { return _("BusyBox's nslookup and hostip do not support to specify to use TCP " +
+				"instead of default UDP when requesting DNS server!") +
+				"<br />- " +
+				_("You should install 'bind-host' or 'knot-host' or 'drill' package for DNS requests.")};
+		}
+
+		if (!env['has_dnsserver']) {
+			o = s.option(form.DummyValue, '_no_dnsserver');
+			o.titleref = L.url("admin", "system", "opkg")
+			o.rawhtml  = true;
+			o.title = '<b>' + _("Using specific DNS Server not supported") + '</b>';
+			o.cfgvalue = function() { return _("BusyBox's nslookup in the current compiled version " +
+			"does not handle given DNS Servers correctly!") +
+		"<br />- " +
+		_("You should install 'bind-host' or 'knot-host' or 'drill' or 'hostip' package, " +
+			"if you need to specify a DNS server to detect your registered IP.")};
+		}
+
+		if (env['has_ssl'] && !env['has_cacerts']) {
+			o = s.option(form.DummyValue, '_no_certs');
+			o.titleref = L.url("admin", "system", "opkg")
+			o.rawhtml  = true;
+			o.title = '<b>' + _("No certificates found") + '</b>';
+			o.cfgvalue = function() { return _("If using secure communication you should verify server certificates!") +
+			"<br />- " +
+			_("Install 'ca-certificates' package or needed certificates " +
+				"by hand into /etc/ssl/certs default directory")};
+		}
+
+		// DDns services
+		s = m.section(form.GridSection, 'service', _('Services'));
+		s.anonymous = true;
+		s.addremove = true;
+		s.addbtntitle = _('Add new services...');
+
+		s.anonymous = true;
+		s.addremove = true;
+		s.sortable  = true;
+
+		s.handleAdd = function(ev) {
+			var m2 = new form.Map('ddns'),
+				s2 = m2.section(form.NamedSection, '_new_');
+
+			s2.render = function() {
+				return Promise.all([
+					{},
+					this.renderUCISection('_new_')
+				]).then(this.renderContents.bind(this));
+			};
+
+			name = s2.option(form.Value, 'name', _('Name'));
+			name.rmempty = false;
+			name.datatype = 'uciname';
+			name.placeholder = _('New DDns Service…');
+			name.validate = function(section_id, value) {
+				if (uci.get('ddns', value) != null)
+					return _('The service name is already used');
+
+				return true;
+			};
+
+			m2.render().then(L.bind(function(nodes) {
+				L.ui.showModal(_('Add new services...'), [
+					nodes,
+					E('div', { 'class': 'right' }, [
+						E('button', {
+							'class': 'btn',
+							'click': L.ui.hideModal
+						}, _('Cancel')), ' ',
+						E('button', {
+							'class': 'cbi-button cbi-button-positive important',
+							'click': L.ui.createHandlerFn(this, function(ev) {
+								var nameval = name.isValid('_new_') ? name.formvalue('_new_') : null;
+
+								if (nameval == null || nameval == '')
+									return;
+
+								return m.save(function() {
+									uci.add('ddns', 'service', nameval);
+								}).then(L.bind(m.children[1].renderMoreOptionsModal, m.children[1], nameval));
+							})
+						}, _('Create service'))
+					])
+				], 'cbi-modal');
+
+				nodes.querySelector('[id="%s"] input[type="text"]'.format(name.cbid('_new_'))).focus();
+			}, this));
+		};
+
+		s.renderRowActions = function(section_id) {
+			var tdEl = this.super('renderRowActions', [ section_id, _('Edit') ]),
+				cfg_enabled = uci.get('ddns', section_id, 'enabled'),
+				reload_opt = {
+					'class': 'cbi-button cbi-button-neutral reload',
+					'click': L.ui.createHandlerFn(this, function() {
+						return fs.exec('/usr/lib/ddns/dynamic_dns_lucihelper.sh',
+							[ '-S', section_id, '--', 'start' ]).then(L.bind(m.render, m));
+					}),
+					'title': _('Reload this service'),
+				},
+				stop_opt = {
+					'class': 'cbi-button cbi-button-neutral stop',
+					'click': L.ui.createHandlerFn(this, function() {
+						return fs.exec('/usr/lib/ddns/dynamic_dns_lucihelper.sh',
+							[ '-S', section_id, '--', 'start' ]).then(L.bind(m.render, m));
+					}),
+					'title': _('Stop this service'),
+				};
+
+			if (status['_enabled'] == 0 || cfg_enabled == 0)
+				reload_opt['disabled'] = 'disabled';
+
+			if (!resolved[section_id] || !resolved[section_id].pid ||
+					(resolved[section_id].pid && cfg_enabled == '1'))
+				stop_opt['disabled'] = 'disabled';
+
+			L.dom.content(tdEl.lastChild, [
+				E('button', stop_opt, _('Stop')),
+				E('button', reload_opt, _('Reload')),
+				tdEl.lastChild.childNodes[0],
+				tdEl.lastChild.childNodes[1],
+				tdEl.lastChild.childNodes[2]
+			]);
+
+			return tdEl;
+		};
+
+		o = s.option(form.DummyValue, '_cfg_name', _('Name'));
+		o.modalonly = false;
+		o.textvalue = function(section_id) {
+			return '<b>' + section_id + '</b>';
+		}
+
+		o = s.option(form.DummyValue, '_cfg_detail_ip', _('Lookup Hostname') + "<br>" + _('Registered IP'));
+		o.rawhtml   = true;
+		o.modalonly = false;
+		o.textvalue = function(section_id) {
+			var host = uci.get('ddns', section_id, 'lookup_host') || _('Configuration Error'),
+				ip = _('No Data');
+			if (resolved[section_id] && resolved[section_id].ip)
+				ip = resolved[section_id].ip;
+
+			return host + '<br>' + ip;
+		};
+
+		o = s.option(form.Flag, 'enabled', _('Enabled'));
+		o.rmempty  = false;
+		o.editable = true;
+		o.modalonly = false;
+
+		o = s.option(form.DummyValue, '_cfg_update', _('Last Update') + "<br>" + _('Next Update'));
+		o.rawhtml   = true;
+		o.modalonly = false;
+		o.textvalue = function(section_id) {
+			var last_update = _('Never'), next_update = _('Unknown');
+			if (resolved[section_id]) {
+				if (resolved[section_id].last_update)
+					last_update = resolved[section_id].last_update;
+				if (resolved[section_id].next_update)
+					next_update =  NextUpdateStrings[resolved[section_id].next_update] || resolved[section_id].next_update;
+			}
+
+			return  last_update + '<br>' + next_update;
+		};
+
+		s.modaltitle = function(section_id) {
+			return _('DDns Service') + ' » ' + section_id;
+		};
+
+		o = s.option(form.DummyValue, '_cfg_status', _('Status'));
+		o.modalonly = false;
+		o.textvalue = function(section_id) {
+			var text = '<b>' + _('Not Running') + '</b>';
+
+			if (resolved[section_id] && resolved[section_id].pid)
+				text = '<b>' + _('Running') + '</b> : ' + resolved[section_id].pid;
+
+			return text;
+		}
+
+
+		s.tab('basic', _('Basic Settings'));
+		s.tab('advanced', _('Advanced Settings'));
+		s.tab('timer', _('Timer Settings'));
+		s.tab('logview', _('Log File Viewer'));
+
+		// TAB: BASIC
+
+		// enabled
+		o = s.taboption('basic', form.Flag, 'enabled', _('Enabled'),_("If this service section is disabled it could not be started." + "<br />" +
+		"Neither from LuCI interface nor from console"));
+		o.modalonly = true;
+		o.rmempty  = false;
+		o.default = '1';
+
+		// lookup_host
+
+		o = s.taboption('basic', form.Value, 'lookup_host', _("Lookup Hostname"),
+		_("Hostname/FQDN to validate, if IP update happen or necessary") );
+		o.rmempty	= false;
+		o.placeholder = "myhost.example.com";
+		o.datatype = 'and(minlength(3),hostname("strict"))';
+		o.modalonly = true;
+
+		// use_ipv6
+
+		o = s.taboption('basic', form.ListValue, 'use_ipv6', _("IP address version"),
+		_("Defines which IP address 'IPv4/IPv6' is send to the DDNS provider"));
+		o.default = '0';
+		o.modalonly = true;
+		o.rmempty  = false;
+
+		o.value("0", _("IPv4-Address"))
+		if (env["has_ipv6"])
+			o.value("1", _("IPv6-Address"))
+
+		// service_name
+
+		o = s.taboption('basic', form.ListValue, 'ipv4_service_name', _("DDNS Service provider") + " [IPv4]");
+		o.depends("use_ipv6", "0")
+		o.modalonly = true;
+
+		for (var i = 0; i < services4.length; i++)
+			o.value(services4[i]);
+
+		o.value('-',"-- " + _("custom") + " --");
+
+		o.cfgvalue = function(section_id) {
+			return uci.get('ddns', section_id, 'service_name');
+		}
+
+		o.write = function(section_id, formvalue) {
+			if (formvalue != '-') {
+				uci.set('ddns', section_id, 'update_url', null);
+				uci.set('ddns', section_id, 'update_script', null);
+				return uci.set('ddns', section_id, 'service_name', formvalue);
+			}
+			return uci.set('ddns', section_id, 'service_name', null);
+		};
+
+		o = s.taboption('basic', form.ListValue, 'ipv6_service_name', _("DDNS Service provider") + " [IPv6]");
+		o.depends("use_ipv6", "1")
+		o.modalonly = true;
+
+		for (var i = 0; i < services6.length; i++)
+			o.value(services6[i]);
+
+			o.value('-',"-- " + _("custom") + " --");
+
+		o.cfgvalue = function(section_id) {
+			return uci.get('ddns', section_id, 'service_name');
+		}
+
+		o.write = function(section_id, formvalue) {
+			if (formvalue != '-') {
+				uci.set('ddns', section_id, 'update_url', null);
+				uci.set('ddns', section_id, 'update_script', null);
+				return uci.set('ddns', section_id, 'service_name', formvalue);
+			}
+			return uci.set('ddns', section_id, 'service_name', null);
+		};
+
+		// update_url
+
+		o = s.taboption('basic', form.Value, 'update_url', _("Custom update-URL"),
+		_("Update URL to be used for updating your DDNS Provider." + "<br />" +
+		"Follow instructions you will find on their WEB page."));
+		o.modalonly = true;
+		o.rmempty	= false;
+		o.depends("ipv6_service_name","-");
+		o.depends("ipv4_service_name","-");
+
+		// update_script
+
+		o = s.taboption('basic', form.Value, 'update_script', _("Custom update-script"),
+		_("Custom update script to be used for updating your DDNS Provider."));
+		o.modalonly = true;
+		o.rmempty	= false;
+		o.depends("ipv6_service_name","-");
+		o.depends("ipv4_service_name","-");
+
+		// domain
+
+		o = s.taboption('basic', form.Value, 'domain', _("Domain"),
+		_("Replaces [USERNAME] in Update-URL (URL-encoded)"));
+		o.modalonly = true;
+		o.rmempty	= false;
+
+		// username
+
+		o = s.taboption('basic', form.Value, 'username', _("Username"),
+		_("Replaces [USERNAME] in Update-URL (URL-encoded)"));
+		o.modalonly = true;
+		o.rmempty	= false;
+
+		// password
+
+
+		o = s.taboption('basic', form.Value, 'password', _("Password"),
+		_("Replaces [PASSWORD] in Update-URL (URL-encoded)"));
+		o.password = true;
+		o.modalonly = true;
+		o.rmempty	= false;
+
+		// param_enc
+
+		o = s.taboption('basic', form.Value, 'param_enc', _("Optional Encoded Parameter"),
+		_("Optional: Replaces [PARAMENC] in Update-URL (URL-encoded)"));
+		o.optional = true;
+		o.modalonly = true;
+
+		// param_opt
+
+		o = s.taboption('basic', form.Value, 'param_opt', _("Optional Parameter"),
+		_("Optional: Replaces [PARAMOPT] in Update-URL (NOT URL-encoded)"));
+		o.optional = true;
+		o.modalonly = true;
+
+		// use_https
+
+		if (env['has_ssl']) {
+			o = s.taboption('basic', form.Flag, 'use_https', _("Use HTTP Secure"),
+				_("Enable secure communication with DDNS provider"));
+			o.optional = true;
+			o.modalonly = true;
+
+			o = s.taboption('basic', form.Value, 'cacert',
+				_("Path to CA-Certificate"),
+				_("directory or path/file") + "<br>" +
+				_("or") + '<b>' + " IGNORE " + '</b>' +
+				_("to run HTTPS without verification of server certificates (insecure)"));
+			o.modalonly = true;
+			o.depends("use_https", "1");
+			o.placeholder = "/etc/ssl/certs";
+			o.rmempty	= false;
+		};
+
+		// TAB Advanced
+
+		// ip_source
+
+		o = s.taboption('advanced', form.ListValue, 'ip_source', _("IP address source"),
+		_("Defines the source to read systems IP-Address from, that will be send to the DDNS provider"));
+
+		o.modalonly = true;
+		o.default = "network";
+		o.value("network", _("Network"));
+		o.value("web", _("URL"));
+		o.value("interface", _("Interface"));
+		o.value("script", _("Script"));
+
+		o.write = function(section_id, formvalue) {
+			switch(formvalue) {
+				case 'network':
+					uci.set('ddns', section_id, "ip_url",null);
+					uci.set('ddns', section_id, "ip_interface",null);
+					uci.set('ddns', section_id, "ip_script",null);
+					break;
+				case 'web':
+					uci.set('ddns', section_id, "ip_network",null);
+					uci.set('ddns', section_id, "ip_interface",null);
+					uci.set('ddns', section_id, "ip_script",null);
+					break;
+				case 'interface':
+					uci.set('ddns', section_id, "ip_network",null);
+					uci.set('ddns', section_id, "ip_url",null);
+					uci.set('ddns', section_id, "ip_script",null);
+					break;
+				case 'script':
+					uci.set('ddns', section_id, "ip_network",null);
+					uci.set('ddns', section_id, "ip_url",null);
+					uci.set('ddns', section_id, "ip_interface",null);
+					break;
+				default:
+					break;
+			};
+
+			return uci.set('ddns', section_id, 'ip_source', formvalue )
+		};
+
+		// ip_network
+
+		o = s.taboption('advanced', widgets.ZoneSelect, 'ip_network', _("Network"),
+		_("Defines the network to read systems IP-Address from"));
+		o.depends('ip_source','network');
+		o.modalonly = true;
+		o.default = 'wan';
+		o.multiple = false;
+
+		// ip_url
+
+		o = s.taboption('advanced', form.Value, 'ip_url', _("URL to detect"),
+		_("Defines the Web page to read systems IP-Address from" + '<br>' +
+		_('Example for IPv4' + ': http://checkip.dyndns.com') + '<br>' +
+		_('Example for IPv6' + ': http://checkipv6.dyndns.com')));
+		o.depends("ip_source", "web")
+
+		o.modalonly = true;
+
+		// ip_interface
+
+		o = s.taboption('advanced', widgets.ZoneSelect, 'ip_interface', _("Interface"),
+		_("Defines the interface to read systems IP-Address from"));
+
+		o.modalonly = true;
+		o.depends("ip_source", "interface")
+		o.multiple = false;
+		o.default = 'wan';
+
+		// ip_script
+
+		o = s.taboption('advanced', form.Value, 'ip_script', _("Script"),
+		_("User defined script to read systems IP-Address"));
+
+		o.modalonly = true;
+		o.depends("ip_source", "script")
+		o.placeholder = "/path/to/script.sh"
+
+		// interface
+
+		o = s.taboption('advanced', widgets.ZoneSelect, 'interface', _("Event Network"),
+		_("Network on which the ddns-updater scripts will be started"));
+
+		o.modalonly = true;
+		o.multiple = false;
+		o.default = 'wan';
+		o.depends("ip_source", "web");
+		o.depends("ip_source", "script");
+
+		// interface_show
+
+		o = s.taboption('advanced', form.DummyValue, '_interface', _("Event Network"),
+		_("Network on which the ddns-updater scripts will be started"));
+		o.depends("ip_source", "interface");
+		o.depends("ip_source", "network");
+		o.forcewrite = true;
+		o.modalonly = true;
+		o.cfgvalue = function(section_id) {
+			return uci.get('ddns', section_id, 'interface') || _('This will be autoset to the selected interface');
+		};
+		o.write = function(section_id) {
+			var opt = this.section.children.filter(function(o) { return o.option == 'ip_source' })[0].formvalue(section_id);
+			var val = this.section.children.filter(function(o) { return o.option == 'ip_'+opt })[0].formvalue(section_id);
+			return uci.set('ddns', section_id, 'interface', val);
+		};
+
+		// bind_network
+
+		if (env['has_bindnet']) {
+			o = s.taboption('advanced', widgets.ZoneSelect, 'bind_network', _("Bind Network"),
+				_('OPTIONAL: Network to use for communication') + '<br>' +
+				_("Network on which the ddns-updater scripts will be started"));
+			o.depends("ip_source", "web");
+			o.optional = true;
+			o.rmempty = true;
+			o.modalonly = true;
+		}
+
+		// force_ipversion
+
+		if (env['has_forceip']) {
+			o = s.taboption('advanced', form.Flag, 'force_ipversion', _("Force IP Version"),
+				_('OPTIONAL: Force the usage of pure IPv4/IPv6 only communication.'));
+			o.optional = true;
+			o.rmempty = true;
+			o.modalonly = true;
+		}
+
+		// dns_server
+
+		if (env['has_dnsserver']) {
+			o = s.taboption("advanced", form.Value, "dns_server",
+				_("DNS-Server"),
+				_("OPTIONAL: Use non-default DNS-Server to detect 'Registered IP'.") + "<br />" +
+				_("Format: IP or FQDN"));
+			o.placeholder = "mydns.lan"
+			o.optional = true;
+			o.rmempty = true;
+			o.modalonly = true;
+		}
+
+		// force_dnstcp
+
+		if (env['has_bindhost']) {
+			o = s.taboption("advanced", form.Flag, "force_dnstcp",
+				_("Force TCP on DNS"),
+				_("OPTIONAL: Force the use of TCP instead of default UDP on DNS requests."));
+			o.optional = true;
+			o.rmempty = true;
+			o.modalonly = true;
+		}
+
+		// proxy
+
+		if (env['has_proxy']) {
+			o = s.taboption("advanced", form.Value, "proxy", _("PROXY-Server"),
+				_("OPTIONAL: Proxy-Server for detection and updates.") + "<br />" +
+				_("Format") + ": " + '<b>' + "[user:password@]proxyhost:port" + '</b>' + "<br />" +
+				_("IPv6 address must be given in square brackets") + ": " +
+				'<b>' + " [2001:db8::1]:8080" + '</b>');
+			o.optional = true;
+			o.rmempty = true;
+			o.modalonly = true;
+		}
+
+		// use_syslog
+
+		o = s.taboption("advanced", form.ListValue, "use_syslog", _("Log to syslog"),
+			_("Writes log messages to syslog. Critical Errors will always be written to syslog."));
+		o.modalonly = true;
+		o.placeholder = "2"
+		o.optional = true;
+		o.value("0", _("No logging"))
+		o.value("1", _("Info"))
+		o.value("2", _("Notice"))
+		o.value("3", _("Warning"))
+		o.value("4", _("Error"))
+
+		// use_logfile
+
+		o = s.taboption("advanced", form.Flag, "use_logfile", _("Log to file"));
+		o.default = '1';
+		o.optional = true;
+		o.modalonly = true;
+		o.cfgvalue = function(section_id) {
+			this.description = _("Writes detailed messages to log file. File will be truncated automatically.") + "<br>" +
+			_("File") + ': "' + logdir + '/' + section_id + '.log"';
+			return uci.get('ddns', section_id, 'use_logfile');
+		};
+
+		// TAB Timer
+
+		// check_interval
+		o = s.taboption("timer", form.Value, "check_interval", _("Check Interval"));
+		o.placeholder = "30";
+		o.modalonly = true;
+		o.datatype = 'uinteger';
+
+		o.validate = function(section_id, formvalue) {
+			var unit = this.section.children.filter(function(o) { return o.option == 'check_unit' })[0].formvalue(section_id),
+				time_to_sec = time_res[unit || 'minutes'] * formvalue;
+
+			if (formvalue && time_to_sec < 300)
+				return _('Values below 5 minutes == 300 seconds are not supported');
+
+			return true;
+
+		};
+
+		// check_interval
+		o = s.taboption("timer", form.ListValue, "check_unit",'Check Unit');
+		o.description = _("Interval unit to check for changed IP");
+		o.modalonly = true;
+		o.default  = "minutes"
+		o.value("seconds", _("seconds"));
+		o.value("minutes", _("minutes"));
+		o.value("hours", _("hours"));
+
+		// force_interval
+
+		o = s.taboption("timer", form.Value, "force_interval", _("Force Interval"));
+		o.description = _("Interval to force updates send to DDNS Provider" + "<br />" +
+		"Setting this parameter to 0 will force the script to only run once");
+		o.placeholder = "72";
+		o.optional = true;
+		o.modalonly = true;
+		o.datatype = 'uinteger';
+
+		o.validate = function(section_id, formvalue) {
+
+			if (!formvalue)
+				return true;
+
+			var check_unit = this.section.children.filter(function(o) { return o.option == 'check_unit' })[0].formvalue(section_id),
+				check_val = this.section.children.filter(function(o) { return o.option == 'check_interval' })[0].formvalue(section_id),
+				force_unit = this.section.children.filter(function(o) { return o.option == 'force_unit' })[0].formvalue(section_id),
+				check_to_sec = time_res[check_unit || 'minutes'] * ( check_val || '30'),
+				force_to_sec = time_res[force_unit || 'minutes'] * formvalue;
+
+			if (force_to_sec != 0 && force_to_sec < check_to_sec)
+				return _("Values lower 'Check Interval' except '0' are not supported");
+
+			return true;
+		};
+
+		// force_unit
+
+		o = s.taboption("timer", form.ListValue, "force_unit",'Force Unit');
+		o.description = _("Interval unit to force updates send to DDNS Provider");
+		o.modalonly = true;
+		o.optional = true;
+		o.default  = "minutes"
+		o.value("minutes", _("minutes"));
+		o.value("hours", _("hours"));
+		o.value("hours", _("days"));
+
+		// retry_count
+
+		o = s.taboption("timer", form.Value, "retry_count", _("Error Retry Counter"));
+		o.description = _("On Error the script will stop execution after given number of retrys")
+		+ "<br />"
+		+ _("The default setting of '0' will retry infinite.");
+		o.placeholder = "0";
+		o.optional = true;
+		o.modalonly = true;
+		o.datatype = 'uinteger';
+
+		// retry_interval
+
+		o = s.taboption("timer", form.Value, "retry_interval", _("Error Retry Interval"));
+		o.description = _("On Error the script will stop execution after given number of retrys")
+		+ "<br />"
+		+ _("The default setting of '0' will retry infinite.");
+		o.placeholder = "60";
+		o.optional = true;
+		o.modalonly = true;
+		o.datatype = 'uinteger';
+
+		// retry_unit
+
+		o = s.taboption("timer", form.ListValue, "retry_unit",'Retry Unit');
+		o.description = _("On Error the script will retry the failed action after given time");
+		o.modalonly = true;
+		o.optional = true;
+		o.default  = "seconds"
+		o.value("seconds", _("seconds"));
+		o.value("minutes", _("minutes"));
+
+		// TAB logview
+
+		o = s.taboption("logview", form.DummyValue, '_read_log', '');
+		o.depends('use_logfile','1');
+		o.modalonly = true;
+		o.cfgvalue = function(section_id) {
+			return E([], [
+				E('button', {
+				'class': 'cbi-button cbi-button-apply',
+				'click': L.ui.createHandlerFn(this, function() {
+					var o = this.section.children.filter(function(o) { return o.option == '_logview' })[0];
+					return callGetLogServices(section_id).then(L.bind(o.update_log, o));
+				})
+			}, _('Read / Reread log file'))]);
+		};
+
+		o = s.taboption("logview", form.DummyValue, "_logview");
+		o.depends('use_logfile','1');
+		o.modalonly = true;
+
+		o.update_log = L.bind(function(view, log_data) {
+			return document.getElementById('log_area').innerHTML = log_data.result;
+		}, o, this)
+
+		o.render = L.bind(function() {
+			return E([
+				E('p', {}, _('This is the current content of the log file in ') + logdir + ' for this service.'),
+				E('p', {}, E('textarea', { 'style': 'width:100%', 'rows': 20, 'readonly' : 'readonly', 'id' : 'log_area' }, _('Please press [Read] button') ))
+			]);
+		}, o, this)
+
+
+		// Advanced Configuration Section
+
+		s = m.section(form.NamedSection, 'global', 'ddns', _('Global Configuration'));
+		s.description = _('Configure here the details for all Dynamic DNS services including this LuCI application.')
+			+ '<br /><strong>'
+			+ _("It is NOT recommended for casual users to change settings on this page.")
+			+ '</strong><br />'
+			+ '<a href="https://openwrt.org/docs/guide-user/base-system/ddns#section_ddns" target="_blank">'
+			+ _('For detailed information about parameter settings look here.')
+			+ '</a>';
+		s.addremove = false;
+
+		o = s.option(form.Flag, 'upd_privateip', _("Allow non-public IP's"));
+		o.description = _("Non-public and by default blocked IP's") + ':'
+		+ '<br /><strong>IPv4: </strong>'
+		+ '0/8, 10/8, 100.64/10, 127/8, 169.254/16, 172.16/12, 192.168/16'
+		+ '<br /><strong>IPv6: </strong>'
+		+ '::/32, f000::/4"';
+		o.default = "0";
+		o.optional = true;
+
+		o = s.option(form.Value, 'ddns_dateformat', _('Date format'));
+		o.description = '<a href="http://www.cplusplus.com/reference/ctime/strftime/" target="_blank">'
+			+ _("For supported codes look here")
+			+ '</a><br>' +
+			_('Current setting: ') + '<b>' + status['_curr_dateformat'] + '</b>';
+		o.default = "%F %R"
+		o.optional = true;
+		o.rmempty = true;
+
+		o = s.option(form.Value, 'ddns_rundir', _('Status directory'));
+		o.description = _('Directory contains PID and other status information for each running section.');
+		o.default = "/var/run/ddns";
+		o.optional = true;
+		o.rmempty = true;
+
+		o = s.option(form.Value, 'ddns_logdir', _('Log directory'));
+		o.description = _('Directory contains Log files for each running section.');
+		o.default = "/var/log/ddns";
+		o.optional = true;
+		o.rmempty = true;
+		o.validate = function(section_id, formvalue) {
+			if (formvalue.indexOf('../') !== -1)
+				return _('"../" not allowed in path for Security Reason.')
+
+			return true;
+		}
+
+		o = s.option(form.Value, 'ddns_loglines', _('Log length'));
+		o.description = _('Number of last lines stored in log files');
+		o.datatype = 'min(1)';
+		o.default = '250';
+
+		if (env['has_wget'] && env['has_curl']) {
+
+			o = s.option(form.Flag, 'use_curl', _('Use cURL'));
+			o.description = _('If Wget and cURL package are installed, Wget is used for communication by default.');
+			o.default = "0";
+			o.optional = true;
+			o.rmempty = true;
+
+		}
+
+		return m.render().then(L.bind(function(m, nodes) {
+			L.Poll.add(L.bind(function() {
+				return Promise.all([
+					this.callDDnsGetServicesStatus(),
+					callDDnsGetStatus()
+				]).then(L.bind(this.poll_status, this, nodes));
+			}, this), 5);
+			return nodes;
+		}, this, m));
+	}
+});
diff --git a/applications/luci-app-ddns/htdocs/luci-static/resources/view/status/include/70_ddns.js b/applications/luci-app-ddns/htdocs/luci-static/resources/view/status/include/70_ddns.js
new file mode 100644
index 000000000..698cf8d25
--- /dev/null
+++ b/applications/luci-app-ddns/htdocs/luci-static/resources/view/status/include/70_ddns.js
@@ -0,0 +1,46 @@
+'use strict';
+'require rpc';
+'require uci';
+
+return L.Class.extend({
+	title: _('Dynamic DNS'),
+
+	callDDnsGetServicesStatus: rpc.declare({
+		object: 'luci.ddns',
+		method: 'get_services_status',
+		expect: {  }
+	}),
+
+	load: function() {
+		return Promise.all([
+			this.callDDnsGetServicesStatus(),
+			uci.load('ddns')
+		]);
+	},
+
+	render: function(data) {
+		var services = data[0];
+
+		var table = E('div', { 'class': 'table' }, [
+			E('div', { 'class': 'tr table-titles' }, [
+				E('div', { 'class': 'th' }, _('Configuration')),
+				E('div', { 'class': 'th' }, _('Next Update')),
+				E('div', { 'class': 'th' }, _('Lookup Hostname')),
+				E('div', { 'class': 'th' }, _('Registered IP')),
+				E('div', { 'class': 'th' }, _('Network'))
+			])
+		]);
+
+		cbi_update_table(table, Object.keys(services).map(function(key, index) {
+			return [
+				key,
+				services[key].next_update ? _(services[key].next_update) : _('Unknown'),
+				uci.get('ddns',key,'lookup_host'),
+				services[key].ip ? services[key].ip : _('No Data'),
+				(uci.get('ddns',key,'use_ipv6') == '1' ? 'IPv6' : 'IPv4') + ' / ' + uci.get('ddns',key,'interface')
+			];
+		}), E('em', _('There is no service configured.')));
+
+		return E([table]);
+	}
+});