.

code/components/jomjol_fileserver_ota/server_file.cpp

@@ -61,7 +61,7 @@ struct file_server_data {
 
 using namespace std;
 
-string SUFFIX_ZW = "_0xge";
+string SUFFIX_ZW = "_tmp";
 
 static esp_err_t send_logfile(httpd_req_t *req, bool send_full_file);
 static esp_err_t send_datafile(httpd_req_t *req, bool send_full_file);
@@ -911,7 +911,7 @@ void delete_all_in_directory(std::string _directory)
     closedir(dir);
 }
 
-std::string unzip_new(std::string _in_zip_file, std::string _target_zip, std::string _target_bin, std::string _main, bool _initial_setup)
+std::string unzip_new(std::string _in_zip_file, std::string _html_tmp, std::string _html_final, std::string _target_bin, std::string _main, bool _initial_setup)
 {
     int i, sort_iter;
     mz_bool status;
@@ -993,11 +993,16 @@ std::string unzip_new(std::string _in_zip_file, std::string _target_zip, std::st
                     }
                     else
                     {
-                        zw = _target_zip + zw;
+                        zw = _html_tmp + zw;
                     }
 
                 }
 
+                // files in the html folder shall be redirected to the temporary html folder
+                if (zw.find(_html_final) == 0) {
+                    FindReplace(zw, _html_final, _html_tmp);
+                }
+            
                 string filename_zw = zw + SUFFIX_ZW;
 
                 ESP_LOGI(TAG, "File to extract: %s, Temp. Filename: %s", zw.c_str(), filename_zw.c_str());

code/components/jomjol_fileserver_ota/server_file.h

@@ -9,7 +9,7 @@
 void register_server_file_uri(httpd_handle_t server, const char *base_path);
 
 void unzip(std::string _in_zip_file, std::string _target_directory);
-std::string unzip_new(std::string _in_zip_file, std::string _target_zip, std::string _target_bin, std::string _main = "/sdcard/", bool _initial_setup = false);
+std::string unzip_new(std::string _in_zip_file, std::string _html_tmp, std::string _html_final, std::string _target_bin, std::string _main = "/sdcard/", bool _initial_setup = false);
 
 
 void delete_all_in_directory(std::string _directory);

code/components/jomjol_fileserver_ota/server_ota.cpp

@@ -76,17 +76,32 @@ void task_do_Update_ZIP(void *pvParameter)
 
   	LogFile.WriteToFile(ESP_LOG_INFO, TAG, "File: " + _file_name_update + " Filetype: " + filetype);
 
-
     if (filetype == "ZIP")
     {
-        std::string in, out, outbin, zw, retfirmware;
+        std::string in, outHtml, outHtmlTmp, outHtmlOld, outbin, zw, retfirmware;
 
-        out = "/sdcard/html";
+        outHtml = "/sdcard/html";
+        outHtmlTmp = "/sdcard/html_tmp";
+        outHtmlOld = "/sdcard/html_old";
         outbin = "/sdcard/firmware";
 
-        retfirmware = unzip_new(_file_name_update, out+"/", outbin+"/", "/sdcard/", initial_setup);
+        /* Remove the old and tmp html folder in case they still exist */
+        removeFolder(outHtmlTmp.c_str(), TAG);
+        removeFolder(outHtmlOld.c_str(), TAG);
+
+        /* Extract the ZIP file. The content of the html folder gets extracted to the temporar folder html-temp. */
+        LogFile.WriteToFile(ESP_LOG_INFO, TAG, "Extracting ZIP file " + _file_name_update + "...");
+        retfirmware = unzip_new(_file_name_update, outHtmlTmp+"/", outHtml+"/", outbin+"/", "/sdcard/", initial_setup);
     	LogFile.WriteToFile(ESP_LOG_INFO, TAG, "Files unzipped.");
 
+        /* ZIP file got extracted, replace the old html folder with the new one */
+        LogFile.WriteToFile(ESP_LOG_INFO, TAG, "Renaming folder " + outHtml + " to " + outHtmlOld + "...");
+        ::rename(outHtml.c_str(), outHtmlOld.c_str());
+        LogFile.WriteToFile(ESP_LOG_INFO, TAG, "Renaming folder " + outHtmlTmp + " to " + outHtml + "...");
+        ::rename(outHtmlTmp.c_str(), outHtml.c_str());
+        LogFile.WriteToFile(ESP_LOG_INFO, TAG, "Deleting folder " + outHtmlOld + "...");
+        removeFolder(outHtmlOld.c_str(), TAG);
+
         if (retfirmware.length() > 0)
         {
         	LogFile.WriteToFile(ESP_LOG_INFO, TAG, "Found firmware.bin");
@@ -434,7 +449,6 @@ esp_err_t handler_ota_update(httpd_req_t *req)
             return ESP_OK;        
         }
 
-
         if ((filetype == "TFLITE") || (filetype == "TFL"))
         {
             std::string out = "/sdcard/config/" + getFileFullFileName(fn);