luci: support proxy server settings.

package/luci/files/luci/i18n/smartdns.zh-cn.po

@@ -301,6 +301,24 @@ msgstr "停用证书校验"
 msgid "None"
 msgstr "无"
 
+msgid "Only socks5 proxy support udp server."
+msgstr "仅SOCKS5代理支持UDP服务器。"
+
+msgid "Please set proxy server first."
+msgstr "请先设置代理服务器。"
+
+msgid "Proxy Server"
+msgstr "代理服务器"
+
+msgid "Proxy Server URL, format: [socks5|http]://user:pass@ip:port."
+msgstr "代理服务器地址，格式：[socks5|http]://user:pass@ip:port。"
+
+msgid "Proxy server URL format error, format: [socks5|http]://user:pass@ip:port."
+msgstr "代理服务器地址格式错误，格式：[socks5|http]://user:pass@ip:port。"
+
+msgid "Proxy Server Settings"
+msgstr "代理服务器设置"
+
 msgid "Query DNS through specific dns server group, such as office, home."
 msgstr "使用指定服务器组查询，比如office, home。"
 
@@ -463,6 +481,12 @@ msgstr "设置所有域名的 TTL 值。"
 msgid "Technical Support"
 msgstr "技术支持"
 
+msgid "Use Proxy"
+msgstr "使用代理"
+
+msgid "Use proxy to connect to upstream DNS server."
+msgstr "使用代理连接上游DNS服务器。"
+
 msgid "URL"
 msgstr "URL"
 

package/luci/files/root/www/luci-static/resources/view/smartdns/smartdns.js

@@ -132,6 +132,7 @@ return view.extend({
 		s.tab("advanced", _('Advanced Settings'));
 		s.tab("seconddns", _("Second Server Settings"));
 		s.tab("files", _("Download Files Setting"), _("Download domain list files for domain-rule and include config files, please refresh the page after download to take effect."));
+		s.tab("proxy", _("Proxy Server Settings"));
 		s.tab("custom", _("Custom Settings"));
 
 		///////////////////////////////////////
@@ -444,6 +445,23 @@ return view.extend({
 		so.rmempty = true;
 		so.datatype = 'string';
 
+		///////////////////////////////////////
+		// Proxy server settings;
+		///////////////////////////////////////
+		o = s.taboption("proxy", form.Value, "proxy_server", _("Proxy Server"), _("Proxy Server URL, format: [socks5|http]://user:pass@ip:port."));
+		o.datatype = 'string';
+		o.validate = function (section_id, value) {
+			if (value == "") {
+				return true;
+			}
+
+			if (!value.match(/^(socks5|http):\/\//)) {
+				return _("Proxy server URL format error, format: [socks5|http]://user:pass@ip:port.");
+			}
+
+			return true;
+		}
+
 		///////////////////////////////////////
 		// custom settings;
 		///////////////////////////////////////
@@ -602,6 +620,32 @@ return view.extend({
 		o.rempty = true
 		o.datatype = "uinteger"
 		o.modalonly = true;
+
+		// use proxy
+		o = s.taboption("advanced", form.Flag, "use_proxy", _("Use Proxy"),
+			_("Use proxy to connect to upstream DNS server."))
+		o.default = o.disabled
+		o.modalonly = true;
+		o.optional = true;
+		o.rempty = true;
+		o.validate = function(section_id, value) {
+			var flag = this.formvalue(section_id);
+			if (flag == "0") {
+				return true;
+			}
+
+			var proxy_server = uci.sections("smartdns", "smartdns")[0].proxy_server;
+			var server_type = this.section.formvalue(section_id, "type");
+			if (proxy_server == "" || proxy_server == undefined) {
+				return _("Please set proxy server first.");
+			}
+
+			if (server_type == "udp" && !proxy_server.match(/^(socks5):\/\//)) {
+				return _("Only socks5 proxy support udp server.");
+			}
+
+			return true;
+		}
 		
 		// other args
 		o = s.taboption("advanced", form.Value, "addition_arg", _("Additional Server Args"),