add check session state json function and doc

docu/login_server.api.md

@@ -209,4 +209,46 @@ return
 - info can contain additional info strings 
   - user hasn't password: if user hasn't set a password yet (for example if he was registered via elopage)
   - email already activated: if email was already checked 
-- session_id: session_id for new session
+- session_id: session_id for new session
+
+
+## Check Running Transactions / password encryption
+Check if transactions on login-server for user are processed 
+
+GET http://localhost/login_api/getRunningUserTasks?email=max.musterman%40gmail.de
+ # OR 
+POST http://localhost/login_api/getRunningUserTasks
+```json 
+{"email":"max.musterman@gmail.de"}
+```
+
+return 
+```json 
+{
+	"state":"success",
+	"runningTasks": {
+		"password creation": 0,
+		"sign transaction": 1,
+		"prepare transaction": 1,
+		"ready for sign transaction":0
+	}
+}
+```
+return only entrys which > 0
+- password creation: after register or password change, login possible after tasks is finish
+- sign transaction: after check transaction in backend, before transaction is in db
+- prepare transaction: after sending transaction to login-server, before they can be checked
+- ready for sign transaction: transactions ready for signing from user
+
+## Check Session State
+GET http://localhost/login_api/checkSessionState?session_id=-127182
+
+return if session is still open
+```json
+{"state":"success"}
+```
+else return
+```json
+{"state":"not found", "msg": "session not found"}
+```
+

login_server/src/cpp/JSONInterface/JsonCheckSessionState.cpp

@@ -0,0 +1,53 @@
+#include "JsonCheckSessionState.h"
+#include "Poco/URI.h"
+#include "../lib/DataTypeConverter.h"
+#include "../SingletonManager/SessionManager.h"
+
+Poco::JSON::Object* JsonCheckSessionState::handle(Poco::Dynamic::Var params)
+{
+	int session_id = 0;
+
+	bool parameterReaded = false;
+	// if is json object
+	if (params.type() == typeid(Poco::JSON::Object::Ptr)) {
+		Poco::JSON::Object::Ptr paramJsonObject = params.extract<Poco::JSON::Object::Ptr>();
+		/// Throws a RangeException if the value does not fit
+		/// into the result variable.
+		/// Throws a NotImplementedException if conversion is
+		/// not available for the given type.
+		/// Throws InvalidAccessException if Var is empty.
+		try {
+			paramJsonObject->get("session_id").convert(session_id);
+			parameterReaded = true;
+		}
+		catch (Poco::Exception& ex) {
+			return stateError("json exception", ex.displayText());
+		}
+	}
+	else if (params.isVector()) {
+		const Poco::URI::QueryParameters queryParams = params.extract<Poco::URI::QueryParameters>();
+		for (auto it = queryParams.begin(); it != queryParams.end(); it++) {
+			if (it->first == "session_id") {
+				DataTypeConverter::strToInt(it->second, session_id);
+				//session_id = it->second;
+				break;
+			}
+		}
+		parameterReaded = true;
+	}
+	else {
+		return stateError("format not implemented", std::string(params.type().name()));
+	}
+	if (!parameterReaded) {
+		return stateError("parameter couldn't parsed");
+	}
+	auto sm = SessionManager::getInstance();
+	auto session = sm->getSession(session_id);
+	if (session) {
+		return stateSuccess();
+	}
+	else {
+		return customStateError("not found", "session not found");
+	}
+
+}

login_server/src/cpp/JSONInterface/JsonCheckSessionState.h

@@ -0,0 +1,16 @@
+#ifndef __JSON_INTERFACE_JSON_CHECK_SESSION_STATE_
+#define __JSON_INTERFACE_JSON_CHECK_SESSION_STATE_
+
+#include "JsonRequestHandler.h"
+
+class JsonCheckSessionState : public JsonRequestHandler
+{
+public:
+	Poco::JSON::Object* handle(Poco::Dynamic::Var params);
+
+protected:
+
+
+};
+
+#endif // __JSON_INTERFACE_JSON_CHECK_SESSION_STATE_

login_server/src/cpp/JSONInterface/JsonRequestHandlerFactory.cpp

@@ -4,6 +4,8 @@
 
 #include "../SingletonManager/SessionManager.h"
 
+#include "JsonAdminEmailVerificationResend.h"
+#include "JsonCheckSessionState.h"
 #include "JsonCreateUser.h"
 #include "JsonGetLogin.h"
 #include "JsonUnknown.h"
@@ -11,7 +13,6 @@
 #include "JsonGetRunningUserTasks.h"
 #include "JsonGetUsers.h"
 #include "JsonLoginViaEmailVerificationCode.h"
-#include "JsonAdminEmailVerificationResend.h"
 #include "JsonGetUserInfos.h"
 #include "JsonUpdateUserInfos.h"
 #include "JsonUnsecureLogin.h"
@@ -44,6 +45,9 @@ Poco::Net::HTTPRequestHandler* JsonRequestHandlerFactory::createRequestHandler(c
 	if (url_first_part == "/login") {
 		return new JsonGetLogin;
 	}
+	else if (url_first_part == "/checkSessionState") {
+		return new JsonCheckSessionState;
+	}
 	else if (url_first_part == "/checkTransaction") {
 		return new JsonTransaction;
 	}