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			315 lines
		
	
	
	
		
			8.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			315 lines
		
	
	
	
		
			8.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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'require baseclass';
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'require uci';
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'require form';
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'require network';
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var names_options_server = [
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	'server',
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	'server_port',
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	'method',
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	'key',
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	'password',
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	'plugin',
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	'plugin_opts',
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];
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var names_options_client = [
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	'server',
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	'local_address',
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	'local_port',
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];
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var names_options_common = [
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	'verbose',
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	'ipv6_first',
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	'fast_open',
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	'no_delay',
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	'reuse_port',
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	'mode',
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	'mtu',
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	'timeout',
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	'user',
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	'mptcp',
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];
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var modes = [
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	'tcp_only',
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	'tcp_and_udp',
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	'udp_only',
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];
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var methods = [
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	'none',
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	// aead
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	'aes-128-gcm',
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	'aes-192-gcm',
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	'aes-256-gcm',
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	'chacha20-ietf-poly1305',
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	'xchacha20-ietf-poly1305',
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	// stream
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	'table',
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	'rc4',
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	'rc4-md5',
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	'aes-128-cfb',
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	'aes-192-cfb',
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	'aes-256-cfb',
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	'aes-128-ctr',
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	'aes-192-ctr',
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	'aes-256-ctr',
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	'bf-cfb',
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	'camellia-128-cfb',
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	'camellia-192-cfb',
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	'camellia-256-cfb',
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	'salsa20',
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	'chacha20',
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	'chacha20-ietf',
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];
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function ucival_to_bool(val) {
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	return val === 'true' || val === '1' || val === 'yes' || val === 'on';
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}
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return L.Class.extend({
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	values_actions: function(o) {
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		o.value('bypass');
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		o.value('forward');
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		if (o.option !== 'dst_default') {
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			o.value('checkdst');
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		}
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	},
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	values_redir: function(o, xmode) {
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		uci.sections('shadowsocks-libev', 'ss_redir', function(sdata) {
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			var disabled = ucival_to_bool(sdata['disabled']),
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				sname = sdata['.name'],
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				mode = sdata['mode'] || 'tcp_only';
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			if (!disabled && mode.indexOf(xmode) !== -1) {
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				o.value(sname, sname + ' - ' + mode);
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			}
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		});
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		o.value('', '<unset>');
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		o.value('all', 'all');
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		o.default = '';
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	},
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	values_serverlist: function(o) {
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		uci.sections('shadowsocks-libev', 'server', function(sdata) {
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			var sname = sdata['.name'],
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				server = sdata['server'],
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				server_port = sdata['server_port'];
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			if (server && server_port) {
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				var disabled = ucival_to_bool(sdata['.disabled']) ? ' - disabled' : '',
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					desc = '%s - %s:%s%s'.format(sname, server, server_port, disabled);
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				o.value(sname, desc);
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			}
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		});
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	},
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	values_ipaddr: function(o, netDevs) {
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		netDevs.forEach(function(v) {
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			v.getIPAddrs().forEach(function(a) {
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				var host = a.split('/')[0];
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				o.value(host, '%s (%s)'.format(host, v.getShortName()));
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			});
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		});
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	},
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	options_client: function(s, tab, netDevs) {
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		var o = s.taboption(tab, form.ListValue, 'server', _('Remote server'));
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		this.values_serverlist(o);
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		o = s.taboption(tab, form.Value, 'local_address', _('Local address'));
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		o.datatype = 'ipaddr';
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		o.placeholder = '0.0.0.0';
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		this.values_ipaddr(o, netDevs);
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		o = s.taboption(tab, form.Value, 'local_port', _('Local port'));
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		o.datatype = 'port';
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	},
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	options_server: function(s, opts) {
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		var o, optfunc,
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			tab = opts && opts.tab || null;
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		if (!tab) {
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			optfunc = function(/* ... */) {
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				var o = s.option.apply(s, arguments);
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				o.editable = true;
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				return o;
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			};
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		} else {
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			optfunc = function(/* ... */) {
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				var o = s.taboption.apply(s, L.varargs(arguments, 0, tab));
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				o.editable = true;
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				return o;
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			};
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		}
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		o = optfunc(form.Value, 'label', _('Label'));
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		o = optfunc(form.Value, 'server', _('Server'));
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		o.datatype = 'host';
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		o.size = 16;
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		o = optfunc(form.Value, 'server_port', _('Server port'));
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		o.datatype = 'port';
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		o.size = 5;
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		o = optfunc(form.ListValue, 'method', _('Method'));
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		methods.forEach(function(m) {
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			o.value(m);
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		});
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		o = optfunc(form.Value, 'password', _('Password'));
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		o.password = true;
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		o.size = 12;
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		o = optfunc(form.Value, 'key', _('Key (base64)'));
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		o.datatype = 'base64';
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		o.password = true;
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		o.size = 12;
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		o.modalonly = true;;
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		optfunc(form.Value, 'plugin', _('Plugin')).modalonly = true;
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		optfunc(form.Value, 'plugin_opts', _('Plugin Options')).modalonly = true;
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	},
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	options_common: function(s, tab) {
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		var o = s.taboption(tab, form.ListValue, 'mode', _('Mode of operation'));
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		modes.forEach(function(m) {
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			o.value(m);
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		});
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		o.default = 'tcp_and_udp';
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		o = s.taboption(tab, form.Value, 'mtu', _('MTU'));
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		o.datatype = 'uinteger';
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		o = s.taboption(tab, form.Value, 'timeout', _('Timeout (sec)'));
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		o.datatype = 'uinteger';
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		s.taboption(tab, form.Value, 'user', _('Run as'));
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		s.taboption(tab, form.Flag, 'verbose', _('Verbose'));
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		s.taboption(tab, form.Flag, 'ipv6_first', _('IPv6 First'), _('Prefer IPv6 addresses when resolving names'));
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		s.taboption(tab, form.Flag, 'fast_open', _('Enable TCP Fast Open'));
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		s.taboption(tab, form.Flag, 'no_delay', _('Enable TCP_NODELAY'));
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		s.taboption(tab, form.Flag, 'reuse_port', _('Enable SO_REUSEPORT'));
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		s.taboption(tab, form.Flag, 'mptcp', _('Enable MPTCP'));
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	},
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	ucival_to_bool: function(val) {
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		return ucival_to_bool(val);
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	},
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	cfgvalue_overview: function(sdata) {
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		var stype = sdata['.type'],
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			lines = [];
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		if (stype === 'ss_server') {
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			this.cfgvalue_overview_(sdata, lines, names_options_server);
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			this.cfgvalue_overview_(sdata, lines, names_options_common);
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			this.cfgvalue_overview_(sdata, lines, ['bind_address']);
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		} else if (stype === 'ss_local' || stype === 'ss_redir' || stype === 'ss_tunnel') {
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			this.cfgvalue_overview_(sdata, lines, names_options_client);
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			if (stype === 'ss_tunnel') {
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				this.cfgvalue_overview_(sdata, lines, ['tunnel_address']);
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			}
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			this.cfgvalue_overview_(sdata, lines, names_options_common);
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		} else {
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			return [];
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		}
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		return lines;
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	},
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	cfgvalue_overview_: function(sdata, lines, names) {
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		names.forEach(function(n) {
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			var v = sdata[n];
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			if (v) {
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				if (n === 'key' || n === 'password') {
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					v = _('<hidden>');
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				}
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				var fv = E('var', [v]);
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				if (sdata['.type'] !== 'ss_server' && n === 'server') {
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					fv = E('a', {
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						class: 'label',
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						href: L.url('admin/services/shadowsocks-libev/servers') + '#edit=' + v,
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						target: '_blank',
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						rel: 'noopener'
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					}, fv);
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				}
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				lines.push(n + ': ', fv, E('br'));
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			}
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		});
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	},
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	option_install_package: function(s, tab) {
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		var bin = s.sectiontype.replace('_', '-'),
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			opkg_package = 'shadowsocks-libev-' + bin, o;
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		if (tab) {
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			o = s.taboption(tab, form.Button, '_install');
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		} else {
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			o = s.option(form.Button, '_install');
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		}
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		o.title      = _('Package is not installed');
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		o.inputtitle = _('Install package ' + opkg_package);
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		o.inputstyle = 'apply';
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		o.onclick = function() {
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			window.open(L.url('admin/system/opkg') +
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				'?query=' + opkg_package, '_blank', 'noopener');
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		};
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	},
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	parse_uri: function(uri) {
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		var scheme = 'ss://';
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		if (uri && uri.indexOf(scheme) === 0) {
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			var atPos = uri.indexOf('@'), hashPos = uri.lastIndexOf('#'), tag;
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			if (hashPos === -1) {
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				hashPos = undefined;
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			} else {
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				tag = uri.slice(hashPos + 1);
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			}
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			if (atPos !== -1) { // SIP002 format https://shadowsocks.org/en/spec/SIP002-URI-Scheme.html
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				var colonPos = uri.indexOf(':', atPos + 1), slashPos = uri.indexOf('/', colonPos + 1);
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				if (colonPos === -1) return null;
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				if (slashPos === -1) slashPos = undefined;
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				var userinfo = atob(uri.slice(scheme.length, atPos)
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					.replace(/-/g, '+').replace(/_/g, '/')),
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					i = userinfo.indexOf(':');
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				if (i === -1) return null;
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				var config = {
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					server: uri.slice(atPos + 1, colonPos),
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					server_port: uri.slice(colonPos + 1, slashPos ? slashPos : hashPos),
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					password: userinfo.slice(i + 1),
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					method: userinfo.slice(0, i)
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				};
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				if (slashPos) {
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					var search = uri.slice(slashPos + 1, hashPos);
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					if (search[0] === '?') search = search.slice(1);
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					search.split('&').forEach(function(s) {
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						var j = s.indexOf('=');
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						if (j !== -1) {
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							var k = s.slice(0, j), v = s.slice(j + 1);
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							if (k === 'plugin') {
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								v = decodeURIComponent(v);
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								var k = v.indexOf(';');
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								if (k !== -1) {
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									config['plugin'] = v.slice(0, k);
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									config['plugin_opts'] = v.slice(k + 1);
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								}
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							}
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						}
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					});
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				}
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				return [config, tag];
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			} else { // Legacy format https://shadowsocks.org/en/config/quick-guide.html
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				var plain = atob(uri.slice(scheme.length, hashPos)),
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					firstColonPos = plain.indexOf(':'),
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					lastColonPos = plain.lastIndexOf(':'),
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					atPos = plain.lastIndexOf('@', lastColonPos);
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				if (firstColonPos === -1 ||
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					lastColonPos === -1 ||
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					atPos === -1) return null;
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				var config = {
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					server: plain.slice(atPos + 1, lastColonPos),
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					server_port: plain.slice(lastColonPos + 1),
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					password: plain.slice(firstColonPos + 1, atPos),
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					method: plain.slice(0, firstColonPos)
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				};
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				return [config, tag];
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			}
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		}
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		return null;
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	}
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});
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