luci-app-ssr-plus: support import hysteria link

Closes: #949

Signed-off-by: Tianling Shen <[email protected]>

luci-app-ssr-plus/luasrc/view/shadowsocksr/ssrurl.htm

@@ -93,6 +93,33 @@ function import_ssr_url(btn, urlname, sid) {
 		var event = document.createEvent("HTMLEvents");
 		event.initEvent("change", true, true);
 		switch (ssu[0]) {
+		case "hysteria":
+			try {
+				var url = new URL("http://" + ssu[1]);
+				var params = url.searchParams;
+			} catch(e) {
+				alert(e);
+				return false;
+			}
+
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.type')[0].value = ssu[0];
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.type')[0].dispatchEvent(event);
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.server')[0].value = url.hostname;
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.server_port')[0].value = url.port || "80";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.hysteria_protocol')[0].value = params.get("protocol") || "udp";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.auth_type')[0].value = params.get("auth") ? "1" : "0";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.auth_type')[0].dispatchEvent(event);
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.auth_payload')[0].value = params.get("auth") || "";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.uplink_capacity')[0].value = params.get("upmbps") || "";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.downlink_capacity')[0].value = params.get("downmbps") || "";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.seed')[0].value = params.get("obfsParam") || "";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.tls_host')[0].value = params.get("peer") || "";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.quic_tls_alpn')[0].value = params.get("alpn") || "";
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.insecure')[0].checked = (params.get("insecure") === "1");
+			document.getElementsByName('cbid.shadowsocksr.' + sid + '.alias')[0].value = url.hash ? decodeURIComponent(url.hash.slice(1)) : "";
+
+			s.innerHTML = "<font color='green'><%:Import configuration information successfully.%></font>";
+			return false;
 		case "ss":
 			var url0, param = "";
 			var sipIndex = ssu[1].indexOf("@");