Enhancements

Fix incorrect order of tolerance and timeout field in custom group config.
Fix Content-Disposition header for better support on browsers.
Fix parsing of some Shadowrocket links.
Support HEAD request that only return Subscription-UserInfo (#434).
Add more detail info to crash report.

src/config/binding.h

@@ -224,7 +224,7 @@ namespace INIBinding
                         continue;
                     rules_upper_bound -= 2;
                     conf.Url = vArray[rules_upper_bound];
-                    parseGroupTimes(vArray[rules_upper_bound + 1], &conf.Interval, &conf.Tolerance, &conf.Timeout);
+                    parseGroupTimes(vArray[rules_upper_bound + 1], &conf.Interval, &conf.Timeout, &conf.Tolerance);
                 }
 
                 for(unsigned int i = 2; i < rules_upper_bound; i++)

src/handler/interfaces.cpp

@@ -342,7 +342,7 @@ std::string subconverter(RESPONSE_CALLBACK_ARGS)
     std::string argGroupName = urlDecode(getUrlArg(argument, "group")), argUploadPath = getUrlArg(argument, "upload_path");
     std::string argIncludeRemark = urlDecode(getUrlArg(argument, "include")), argExcludeRemark = urlDecode(getUrlArg(argument, "exclude"));
     std::string argCustomGroups = urlSafeBase64Decode(getUrlArg(argument, "groups")), argCustomRulesets = urlSafeBase64Decode(getUrlArg(argument, "ruleset")), argExternalConfig = urlDecode(getUrlArg(argument, "config"));
-    std::string argDeviceID = getUrlArg(argument, "dev_id"), argFilename = getUrlArg(argument, "filename"), argUpdateInterval = getUrlArg(argument, "interval"), argUpdateStrict = getUrlArg(argument, "strict");
+    std::string argDeviceID = getUrlArg(argument, "dev_id"), argFilename = urlDecode(getUrlArg(argument, "filename")), argUpdateInterval = getUrlArg(argument, "interval"), argUpdateStrict = getUrlArg(argument, "strict");
     std::string argRenames = urlDecode(getUrlArg(argument, "rename")), argFilterScript = urlDecode(getUrlArg(argument, "filter_script"));
 
     /// switches with default value
@@ -612,6 +612,12 @@ std::string subconverter(RESPONSE_CALLBACK_ARGS)
         *status_code = 400;
         return "No nodes were found!";
     }
+    if(subInfo.size() && argAppendUserinfo.get(global.appendUserinfo))
+        response.headers.emplace("Subscription-UserInfo", subInfo);
+
+    if(request.method == "HEAD")
+        return "";
+
     argPrependInsert.define(global.prependInsert);
     if(argPrependInsert)
     {
@@ -673,9 +679,6 @@ std::string subconverter(RESPONSE_CALLBACK_ARGS)
         for(Proxy &x : nodes)
             x.Group = argGroupName;
 
-    if(subInfo.size() && argAppendUserinfo.get(global.appendUserinfo))
-        response.headers.emplace("Subscription-UserInfo", subInfo);
-
     //do pre-process now
     preprocessNodes(nodes, ext);
 
@@ -886,7 +889,7 @@ std::string subconverter(RESPONSE_CALLBACK_ARGS)
     }
     writeLog(0, "Generate completed.", LOG_LEVEL_INFO);
     if(argFilename.size())
-        response.headers.emplace("Content-Disposition", "attachment; filename=\"" + argFilename + "\"");
+        response.headers.emplace("Content-Disposition", "attachment; filename=\"" + argFilename + "\"; filename*=utf-8''" + urlEncode(argFilename));
     return output_content;
 }
 

src/parser/subparser.cpp

@@ -120,16 +120,17 @@ void explodeVmess(std::string vmess, Proxy &node)
     std::string version, ps, add, port, type, id, aid, net, path, host, tls, sni;
     Document jsondata;
     std::vector<std::string> vArray;
-    if(regMatch(vmess, "vmess://(.*?)@(.*)"))
+
-    {
+    if(regMatch(vmess, "vmess://([A-Za-z0-9-_]+)\\?(.*)")) //shadowrocket style link
-        explodeStdVMess(vmess, node);
-        return;
-    }
-    else if(regMatch(vmess, "vmess://(.*?)\\?(.*)")) //shadowrocket style link
     {
         explodeShadowrocket(vmess, node);
         return;
     }
+    else if(regMatch(vmess, "vmess://(.*?)@(.*)"))
+    {
+        explodeStdVMess(vmess, node);
+        return;
+    }
     else if(regMatch(vmess, "vmess1://(.*?)\\?(.*)")) //kitsunebi style link
     {
         explodeKitsunebi(vmess, node);

src/server/webserver_libevent.cpp

@@ -146,7 +146,10 @@ inline int WebServer::process_request(Request &request, Response &response, std:
             }
             catch(std::exception &e)
             {
-                return_data = "Internal server error while processing request path '" + request.url + "' with arguments '" + request.argument + "'!\n  what(): ";
+                return_data = "Internal server error while processing request path '" + request.url + "' with arguments '" + request.argument + "'!";
+                return_data += "\n  exception: ";
+                return_data += type(e);
+                return_data += "\n  what(): ";
                 return_data += e.what();
                 response.content_type = "text/plain";
                 response.status_code = 500;
@@ -234,6 +237,7 @@ void WebServer::on_request(evhttp_request *req, void *args)
         case EVHTTP_REQ_PUT: request.method = "PUT"; break;
         case EVHTTP_REQ_PATCH: request.method = "PATCH"; break;
         case EVHTTP_REQ_DELETE: request.method = "DELETE"; break;
+        case EVHTTP_REQ_HEAD: request.method = "HEAD"; break;
         default: break;
     }
     request.url = uri;
@@ -315,7 +319,7 @@ int WebServer::start_web_server(void *argv)
 
     auto call_on_request = [&](evhttp_request *req, void *args) { on_request(req, args); };
 
-    evhttp_set_allowed_methods(server.get(), EVHTTP_REQ_GET | EVHTTP_REQ_POST | EVHTTP_REQ_OPTIONS | EVHTTP_REQ_PUT | EVHTTP_REQ_PATCH | EVHTTP_REQ_DELETE);
+    evhttp_set_allowed_methods(server.get(), EVHTTP_REQ_GET | EVHTTP_REQ_POST | EVHTTP_REQ_OPTIONS | EVHTTP_REQ_PUT | EVHTTP_REQ_PATCH | EVHTTP_REQ_DELETE | EVHTTP_REQ_HEAD);
     evhttp_set_gencb(server.get(), wrap(call_on_request), nullptr);
     evhttp_set_timeout(server.get(), 30);
     if (event_dispatch() == -1)
@@ -399,7 +403,7 @@ int WebServer::start_web_server_multi(void *argv)
         if (evhttp_accept_socket(httpd, nfd) != 0)
             return -1;
 
-        evhttp_set_allowed_methods(httpd, EVHTTP_REQ_GET | EVHTTP_REQ_POST | EVHTTP_REQ_OPTIONS | EVHTTP_REQ_PUT | EVHTTP_REQ_PATCH | EVHTTP_REQ_DELETE);
+        evhttp_set_allowed_methods(httpd, EVHTTP_REQ_GET | EVHTTP_REQ_POST | EVHTTP_REQ_OPTIONS | EVHTTP_REQ_PUT | EVHTTP_REQ_PATCH | EVHTTP_REQ_DELETE | EVHTTP_REQ_HEAD);
         evhttp_set_gencb(httpd, wrap(call_on_request), nullptr);
         evhttp_set_timeout(httpd, 30);
         if (pthread_create(&ths[i], nullptr, httpserver_dispatch, base[i]) != 0)

src/utils/logger.cpp

@@ -42,3 +42,28 @@ void writeLog(int type, const std::string &content, int level)
     std::cerr<<getTime(2)<<" ["<<getpid()<<" "<<std::this_thread::get_id()<<"]"<<levels[level % 6];
     std::cerr<<" "<<content<<"\n";
 }
+
+
+#ifdef __GNUG__
+#include <cstdlib>
+#include <memory>
+#include <cxxabi.h>
+
+std::string demangle(const char* name)
+{
+    int status = -4;
+    std::unique_ptr<char, void(*)(void*)> res {
+        abi::__cxa_demangle(name, NULL, NULL, &status),
+        std::free
+    };
+    return (status == 0) ? res.get() : name;
+}
+
+#else
+
+std::string demangle(const char* name)
+{
+    return name;
+}
+
+#endif

src/utils/logger.h

@@ -2,6 +2,7 @@
 #define LOGGER_H_INCLUDED
 
 #include <string>
+#include <typeinfo>
 
 enum
 {
@@ -30,5 +31,12 @@ enum
 
 std::string getTime(int type);
 void writeLog(int type, const std::string &content, int level = LOG_LEVEL_VERBOSE);
+std::string demangle(const char* name);
+
+template <class T>
+std::string type(const T& t) {
+
+    return demangle(typeid(t).name());
+}
 
 #endif // LOGGER_H_INCLUDED