add option to unpair nuki

NukiWrapper.cpp

@@ -144,6 +144,12 @@ void NukiWrapper::setPin(const uint16_t pin)
         _nukiBle.saveSecurityPincode(pin);
 }
 
+void NukiWrapper::unpair()
+{
+    _nukiBle.unPairNuki();
+    _paired = false;
+}
+
 void NukiWrapper::updateKeyTurnerState()
 {
     _nukiBle.requestKeyTurnerState(&_keyTurnerState);

NukiWrapper.h

@@ -17,6 +17,8 @@ public:
 
     void setPin(const uint16_t pin);
 
+    void unpair();
+
     const Nuki::KeyTurnerState& keyTurnerState();
     const bool isPaired();
 

Version.h

@@ -1,3 +1,3 @@
 #pragma once
 
-#define nuki_hub_version "2.4"
+#define nuki_hub_version "2.5"

WebCfgServer.cpp

@@ -10,6 +10,8 @@ WebCfgServer::WebCfgServer(NukiWrapper* nuki, Network* network, EthServer* ethSe
   _preferences(preferences),
   _allowRestartToPortal(allowRestartToPortal)
 {
+    _confirmCode = generateConfirmCode();
+
     String str = _preferences->getString(preference_cred_user);
 
     if(str.length() > 0)
@@ -51,6 +53,13 @@ void WebCfgServer::initialize()
         buildConfigureWifiHtml(response);
         _server.send(200, "text/html", response);
     });
+    _server.on("/unpair", [&]() {
+        if (_hasCredentials && !_server.authenticate(_credUser, _credPassword)) {
+            return _server.requestAuthentication();
+        }
+
+        processUnpair();
+    });
     _server.on("/wifimanager", [&]() {
         if (_hasCredentials && !_server.authenticate(_credUser, _credPassword)) {
             return _server.requestAuthentication();
@@ -320,6 +329,15 @@ void WebCfgServer::buildCredHtml(String &response)
     response.concat("<br><INPUT TYPE=SUBMIT NAME=\"submit\" VALUE=\"Save\">");
     response.concat("</FORM>");
 
+    _confirmCode = generateConfirmCode();
+    response.concat("<br><br><h3>Unpair NUKI</h3>");
+    response.concat("<form method=\"get\" action=\"/unpair\">");
+    String message = "Type ";
+    message.concat(_confirmCode);
+    message.concat(" to confirm unpair");
+    printInputField(response, "CONFIRMTOKEN", message.c_str(), "", 10);
+    response.concat("<br><br><button type=\"submit\">OK</button>");
+
     response.concat("</BODY>\n");
     response.concat("</HTML>\n");
 }
@@ -357,6 +375,42 @@ void WebCfgServer::buildConfigureWifiHtml(String &response)
     response.concat("</HTML>\n");
 }
 
+//printInputField(response, "CONFIRMTOKEN", "Type confirm", "", 10);
+
+
+//int count = _server.args();
+//for(int index = 0; index < count; index++)
+//{
+//String key = _server.argName(index);
+//String value = _server.arg(index);
+void WebCfgServer::processUnpair()
+{
+    String response = "";
+    if(_server.args() == 0)
+    {
+        buildConfirmHtml(response, "Confirm code is invalid.", 3);
+        _server.send(200, "text/html", response);
+        return;
+    }
+    else
+    {
+        String key = _server.argName(0);
+        String value = _server.arg(0);
+
+        if(key != "CONFIRMTOKEN" || value != _confirmCode)
+        {
+            buildConfirmHtml(response, "Confirm code is invalid.", 3);
+            _server.send(200, "text/html", response);
+            return;
+        }
+    }
+
+    buildConfirmHtml(response, "Unpairing NUKI and restarting.", 3);
+    _server.send(200, "text/html", response);
+    _nuki->unpair();
+    waitAndProcess(false, 1000);
+    ESP.restart();
+}
 
 void WebCfgServer::buildHtmlHeader(String &response)
 {
@@ -438,6 +492,13 @@ void WebCfgServer::printParameter(String& response, const char *description, con
 
 }
 
+
+String WebCfgServer::generateConfirmCode()
+{
+    int code = random(1000,9999);
+    return String(code);
+}
+
 void WebCfgServer::waitAndProcess(const bool blocking, const uint32_t duration)
 {
     unsigned long timeout = millis() + duration;
@@ -454,3 +515,4 @@ void WebCfgServer::waitAndProcess(const bool blocking, const uint32_t duration)
         }
     }
 }
+

WebCfgServer.h

@@ -33,6 +33,7 @@ private:
     void buildCredHtml(String& response);
     void buildConfirmHtml(String& response, const String &message, uint32_t redirectDelay = 5);
     void buildConfigureWifiHtml(String& response);
+    void processUnpair();
 
     void buildHtmlHeader(String& response);
     void printInputField(String& response, const char* token, const char* description, const char* value, const size_t maxLength, const bool isPassword = false);
@@ -41,6 +42,7 @@ private:
 
     void printParameter(String& response, const char* description, const char* value);
 
+    String generateConfirmCode();
     void waitAndProcess(const bool blocking, const uint32_t duration);
 
     WebServer _server;
@@ -53,5 +55,7 @@ private:
     char _credPassword[20] = {0};
     bool _allowRestartToPortal = false;
 
+    String _confirmCode = "----";
+
     bool _enabled = true;
 };