Enhancement

Add /render interface to directly render a template as output content.
Add find as a template function.
Add filtering out token as a template variable.

src/interfaces.cpp

@@ -1042,6 +1042,8 @@ std::string subconverter(RESPONSE_CALLBACK_ARGS)
         pos = x.find("=");
         if(pos == x.npos)
             continue;
+        if(x.substr(0, pos) == "token")
+            continue;
         req_arg_map[x.substr(0, pos)] = x.substr(pos + 1);
     }
 
@@ -2091,3 +2093,45 @@ int simpleGenerator()
     writeLog(0, "All artifact generated. Exiting...", LOG_LEVEL_INFO);
     return 0;
 }
+
+std::string renderTemplate(RESPONSE_CALLBACK_ARGS)
+{
+    std::string path = UrlDecode(getUrlArg(argument, "path"));
+
+    if(path.find(template_path) != 0)
+    {
+        *status_code = 403;
+        return "Out of scope";
+    }
+    if(!fileExist(path))
+    {
+        *status_code = 404;
+        return "Not found";
+    }
+    std::string template_content = fetchFile(path, parseProxy(proxy_config), cache_config);
+    if(template_content.empty())
+    {
+        *status_code = 400;
+        return "File empty or out of scope";
+    }
+    template_args tpl_args;
+    tpl_args.global_vars = global_vars;
+
+    //load request arguments as template variables
+    string_array req_args = split(argument, "&");
+    string_size pos;
+    string_map req_arg_map;
+    for(std::string &x : req_args)
+    {
+        pos = x.find("=");
+        if(pos == x.npos)
+            continue;
+        req_arg_map[x.substr(0, pos)] = x.substr(pos + 1);
+    }
+    tpl_args.request_params = req_arg_map;
+
+    std::string output_content;
+    if(render_template(template_content, tpl_args, output_content, template_path) != 0)
+        *status_code = 400;
+    return output_content;
+}

src/interfaces.h

@@ -22,6 +22,8 @@ std::string subconverter(RESPONSE_CALLBACK_ARGS);
 std::string simpleToClashR(RESPONSE_CALLBACK_ARGS);
 std::string surgeConfToClash(RESPONSE_CALLBACK_ARGS);
 
+std::string renderTemplate(RESPONSE_CALLBACK_ARGS);
+
 std::string template_webGet(inja::Arguments &args);
 std::string jinja2_webGet(const std::string &url);
 std::string parseHostname(inja::Arguments &args);

src/main.cpp

@@ -283,6 +283,8 @@ int main(int argc, char *argv[])
         return subconverter(argument + "&target=trojan", postdata, status_code, extra_headers);
     });
 
+    append_response("GET", "/render", "text/plain", renderTemplate);
+
     if(!api_mode)
     {
         append_response("GET", "/get", "text/plain;charset=utf-8", [](RESPONSE_CALLBACK_ARGS) -> std::string

src/templates.cpp

@@ -50,6 +50,11 @@ int render_template(const std::string &content, const template_args &vars, std::
         std::string data = args.at(0)->get<std::string>();
         return trim(data);
     });
+    m_callbacks.add_callback("find", 1, [](inja::Arguments &args)
+    {
+        std::string src = args.at(0)->get<std::string>(), target = args.at(1)->get<std::string>();
+        return regFind(src, target);
+    });
     m_callbacks.add_callback("replace", 3, [](inja::Arguments &args)
     {
         std::string src = args.at(0)->get<std::string>(), target = args.at(1)->get<std::string>(), rep = args.at(2)->get<std::string>();