Implemented API to list and download log files

ESP32/src/WebServer.cpp

@@ -70,8 +70,12 @@ namespace detail
 		// API
 		ResourceNode* nodeGetStatus = new ResourceNode("/api/status", "GET", &WebServer::HandleGetStatus_);
 		ResourceNode* nodePostInfo = new ResourceNode("/api/info", "POST", &WebServer::HandlePostInfo_);
+		ResourceNode* nodeGetLogList = new ResourceNode("/api/log/list", "GET", &WebServer::HandleLogList_);
+		ResourceNode* nodeGetLog = new ResourceNode("/api/log/*", "GET", &WebServer::HandleLog_);
 		httpServer.registerNode(nodeGetStatus);
 		httpServer.registerNode(nodePostInfo);
+		httpServer.registerNode(nodeGetLogList);
+		httpServer.registerNode(nodeGetLog);
 
 		// Default node (either a static file, if found, or a 404 error)
 		ResourceNode* nodeDefault = new ResourceNode("", "GET", &WebServer::HandleDefault_);
@@ -206,6 +210,45 @@ namespace detail
 		}
 	}
 
+	void WebServer::HandleLogList_(HTTPRequest * request, HTTPResponse * response)
+	{
+		String json;
+
+		json = "{\"files\":[";
+
+		auto logFolder = SPIFFS.open("/log");
+		auto file = logFolder.openNextFile();
+		bool first = true;
+		while(file)
+		{
+			if(!first) json += ",";
+			json += "{\"n\":\"/api/log/";
+			//::DebugLog.println(file.name());
+			json += file.name();
+			json += "\",\"s\":";
+			json += file.size();
+			json += "}";
+
+			first = false;
+			file = logFolder.openNextFile();
+		}
+
+		json += "]}";
+
+		response->setHeader("Content-Type", "text/json");
+		response->print(json.c_str());
+	}
+
+	void WebServer::HandleLog_(HTTPRequest * request, HTTPResponse * response)
+	{
+		auto* params = request->getParams();
+		std::string path = params->getPathParameter(0);
+		std::string fullPath = std::string("/log/") + path;
+		File file = SPIFFS.open(fullPath.c_str());
+		SendContent_(file, response);
+		file.close();
+	}
+
 	void WebServer::HandleDefault_(HTTPRequest * request, HTTPResponse * response)
 	{
 		// Discard request body, if we received any

ESP32/src/WebServer.h

@@ -33,6 +33,8 @@ namespace detail
 		static void HandleIndex_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response);
 		static void HandleGetStatus_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response);
 		static void HandlePostInfo_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response);
+		static void HandleLogList_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response);
+		static void HandleLog_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response);
 		static void HandleDefault_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response);
 
 		static void SendContent_(Stream& stream, httpsserver::HTTPResponse * response);