luci-app-woll: convert to client side rendering

Also make the interface option mandatory

Fixes: #3557
Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 133 insertions, 0 deletions

diff --git a/applications/luci-app-wol/htdocs/luci-static/resources/view/wol.js b/applications/luci-app-wol/htdocs/luci-static/resources/view/wol.js
new file mode 100644
index 000000000..0eb7b4f7c
--- /dev/null
+++ b/applications/luci-app-wol/htdocs/luci-static/resources/view/wol.js
@@ -0,0 +1,133 @@
+'use strict';
+'require fs';
+'require ui';
+'require rpc';
+'require form';
+'require tools.widgets as widgets';
+
+return L.view.extend({
+	formdata: { wol: {} },
+
+	callHostHints: rpc.declare({
+		object: 'luci-rpc',
+		method: 'getHostHints',
+		expect: { '': {} }
+	}),
+
+	load: function() {
+		return Promise.all([
+			L.resolveDefault(fs.stat('/usr/bin/etherwake')),
+			L.resolveDefault(fs.stat('/usr/bin/wol')),
+			this.callHostHints()
+		]);
+	},
+
+	render: function(data) {
+		var has_ewk = data[0],
+		    has_wol = data[1],
+		    hosts = data[2],
+		    m, s, o;
+
+		this.formdata.has_ewk = has_ewk;
+		this.formdata.has_wol = has_wol;
+
+		m = new form.JSONMap(this.formdata, _('Wake on LAN'),
+			_('Wake on LAN is a mechanism to remotely boot computers in the local network.'));
+
+		s = m.section(form.NamedSection, 'wol');
+
+		if (has_ewk && has_wol) {
+			o = s.option(form.ListValue, 'executable', _('WoL program'),
+				_('Sometimes only one of the two tools works. If one fails, try the other one'));
+
+			o.value('/usr/bin/etherwake', 'Etherwake');
+			o.value('/usr/bin/wol', 'WoL');
+		}
+
+		if (has_ewk) {
+			o = s.option(widgets.DeviceSelect, 'iface', _('Network interface to use'),
+				_('Specifies the interface the WoL packet is sent on'));
+
+			o.rmempty = false;
+			o.noaliases = true;
+			o.noinactive = true;
+
+			if (has_wol)
+				o.depends('executable', '/usr/bin/etherwake');
+		}
+
+		o = s.option(form.Value, 'mac', _('Host to wake up'),
+			_('Choose the host to wake up or enter a custom MAC address to use'));
+
+		o.rmempty = false;
+
+		Object.keys(hosts).sort().forEach(function(mac) {
+			o.value(mac, E([], [ mac, ' (', E('strong', [hosts[mac].name || hosts[mac].ipv4 || hosts[mac].ipv6 || '?']), ')' ]));
+		});
+
+		if (has_ewk) {
+			o = s.option(form.Flag, 'broadcast', ('Send to broadcast address'));
+
+			if (has_wol)
+				o.depends('executable', '/usr/bin/etherwake');
+		}
+
+		return m.render();
+	},
+
+	handleWakeup: function(ev) {
+		var map = document.querySelector('#maincontent .cbi-map'),
+		    data = this.formdata;
+
+		return L.dom.callClassMethod(map, 'save').then(function() {
+			if (!data.wol.mac)
+				return alert(_('No target host specified!'));
+
+			var bin = data.executable || (data.has_ewk ? '/usr/bin/etherwake' : '/usr/bin/wol'),
+			    args = [];
+
+			if (bin == '/usr/bin/etherwake') {
+				args.push('-D', '-i', data.wol.iface);
+
+				if (data.wol.broadcast == '1')
+					args.push('-b');
+
+				args.push(data.wol.mac);
+			}
+			else {
+				args.push('-v', data.wol.mac);
+			}
+
+			ui.showModal(_('Waking host'), [
+				E('p', { 'class': 'spinning' }, [ 'Starting WoL utility…' ])
+			]);
+
+			return fs.exec(bin, args).then(function(res) {
+				ui.showModal(_('Waking host'), [
+					E('p', [ res.stdout ]),
+					res.stderr ? E('pre', [ res.stderr ]) : '',
+					E('div', { 'class': 'right' }, [
+						E('button', {
+							'class': 'cbi-button cbi-button-primary',
+							'click': ui.hideModal
+						}, [ _('Dismiss') ])
+					])
+				]);
+			}).catch(function(err) {
+				ui.hideModal();
+				ui.addNotification(null, [
+					E('p', [ _('Waking host failed: '), err ])
+				]);
+			});
+		});
+	},
+
+	addFooter: function() {
+		return E('div', { 'class': 'cbi-page-actions' }, [
+			E('button', {
+				'class': 'cbi-button cbi-button-save',
+				'click': L.ui.createHandlerFn(this, 'handleWakeup')
+			}, [ _('Wake up host') ])
+		]);
+	}
+});