#include "headers/serverconn.h" ServerConn * pGlobalServConn = nullptr; ServerConn::ServerConn(QObject *parent) : QObject(parent) { qDebug("+----- serverconn konstruktor -----+"); pGlobalServConn = this; this->networkManager = new QNetworkAccessManager(); this->refreshNetworkManager = new QNetworkAccessManager(); // check login state int perm = pGlobalAppSettings->loadSetting("permanent").toInt(); qDebug() << "+-- login state: " << perm; if(perm == 1){ // permanent login // restore login this->username = pGlobalAppSettings->loadSetting("username"); this->password = pGlobalAppSettings->loadSetting("password"); this->setState("loggedIn"); } else { this->setState("notLoggedIn"); } this->checkConnTimer = new QTimer(); this->checkConnTimer->setInterval(1000); this->checkConnTimer->setSingleShot(true); connect(checkConnTimer, SIGNAL(timeout()), this, SLOT(checkConn())); this->checkConnTimer->start(); } int ServerConn::login(QString username, QString password, bool permanent) { // QUrlQuery pdata; // ReturnData_t ret = this->senddata(QUrl("http://www.fanny-leicht.de/static15/http.intern/sheute.pdf"), pdata); // qDebug() << ret.text; // Create network request QNetworkRequest request; // call a non-existent file to be fast request.setUrl( QUrl( "http://www.fanny-leicht.de/static15/http.intern/logintest" ) ); // pack the credentials into a string QString credentialsString = username + ":" + password; // convert it to a byte array QByteArray data = credentialsString.toLocal8Bit().toBase64(); // put it into a string QString headerData = "Basic " + data; // and finally write it into the request header request.setRawHeader( "Authorization", headerData.toLocal8Bit() ); // Send GET request to fanny server QNetworkReply*reply = networkManager->get( request ); // loop to wait until the request has finished before processing the data QEventLoop loop; // timer to cancel the request after 3 seconds QTimer timer; timer.setSingleShot(true); // quit the loop when the request finised loop.connect(this->networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(quit())); // or the timer timed out loop.connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit())); // start the timer timer.start(2000); // start the loop loop.exec(); // get the status code from the request int status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(); // 404 is a success because a non existent file was called and not 401 was returned -> user data was correct if(status_code == 404){ // store username and password in the class variables this->username = username; this->password = password; if(permanent){ // if the user wants to say logged in, store the username and password to the settings file pGlobalAppSettings->writeSetting("permanent", "1"); pGlobalAppSettings->writeSetting("username", username); pGlobalAppSettings->writeSetting("password", password); } this->setState("loggedIn"); // return success return(200); } else { // if not 404 was returned -> error -> return the return code this->setState("notLoggedIn"); return(status_code); } } int ServerConn::logout() { // reset the data stored in the class this->username = ""; this->password = ""; // reset the data stored in the settings pGlobalAppSettings->writeSetting("permanent", "0"); pGlobalAppSettings->writeSetting("username", ""); pGlobalAppSettings->writeSetting("password", ""); this->setState("notLoggedIn"); // return success return(200); } int ServerConn::checkConn() { // Create request QNetworkRequest request; request.setUrl( QUrl( "http://www.fanny-leicht.de/static15/http.intern/" ) ); // Pack in credentials // e.g. ZedlerDo:LxyJQB (yes, these do actually work ;) QString concatenatedCredentials = this->username + ":" + this->password; QByteArray data = concatenatedCredentials.toLocal8Bit().toBase64(); QString headerData = "Basic " + data; request.setRawHeader( "Authorization", headerData.toLocal8Bit() ); QUrlQuery pdata; // Send request and connect all possible signals QNetworkReply*reply = this->refreshNetworkManager->post(request, pdata.toString(QUrl::FullyEncoded).toUtf8()); //QNetworkReply*reply = networkManager->get( request ); QTimer timer; timer.start(3000); QEventLoop loop; loop.connect(this->refreshNetworkManager, SIGNAL(finished(QNetworkReply*)), SLOT(quit())); loop.connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit())); loop.exec(); int status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(); if(status_code == 401){ authErrorCount ++; if(authErrorCount > 3){ logout(); } } this->checkConnTimer->start(); return(status_code); } void ServerConn::updateProgress(qint64 read, qint64 total) { int read_int = int(read); int total_int = int(total); float percent = (float(read_int) / float(total_int)); this->progress = percent; percent = int(percent); // qDebug() << read << total << percent << "%"; } float ServerConn::getProgress() { return(this->progress); } int ServerConn::getEvents(QString day){ /* this->progress = 0; ReturnData_t ret; //this is a custom type to store the returned data // Call the webservice QNetworkRequest request(QUrl("http://api.itsblue.de/fanny/vertretung.php?uname=" + this->username + "&passwd=" + this->password + "&day=" + day + "&agree=true")); request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded"); //send a POST request with the given url and data to the server QNetworkReply* reply; QUrlQuery pdata; reply = this->networkManager->post(request, pdata.toString(QUrl::FullyEncoded).toUtf8()); connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(updateProgress(qint64, qint64))); //wait until the request has finished QEventLoop loop; loop.connect(this->networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(quit())); loop.exec(); //get the status code QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute); this->progress = 1; */ this->progress = 0; // Create request QNetworkRequest request; request.setUrl( QUrl( "http://www.fanny-leicht.de/static15/http.intern/" + day + ".txt" ) ); // Pack in credentials QString concatenatedCredentials = this->username + ":" + this->password; QByteArray data = concatenatedCredentials.toLocal8Bit().toBase64(); QString headerData = "Basic " + data; request.setRawHeader( "Authorization", headerData.toLocal8Bit() ); QUrlQuery pdata; // Send request and connect all possible signals QNetworkReply*reply = this->networkManager->post(request, pdata.toString(QUrl::FullyEncoded).toUtf8()); //QNetworkReply*reply = networkManager->get( request ); connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(updateProgress(qint64, qint64))); QEventLoop loop; loop.connect(this->networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(quit())); loop.exec(); this->progress = 1; int status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(); if(status_code != 200){ // if the request didn't result in a success, clear the old events, as they are probaply incorrect and return the error code this->m_events.clear(); return(status_code); } QString eventString = reply->readAll(); // qDebug() << "reading text file"; // QFile * textFile = new QFile(":/samplehtml/Download File.txt"); // if (!textFile->open(QIODevice::ReadOnly | QIODevice::Text)) { // qDebug() << "Load XML File Problem Couldn't open xmlfile.xml to load settings for download"; // return 900; // } // eventString = textFile->readAll(); // separate all lines into a list QStringList events = eventString.split("\n"); // a line (one element of the list) looks like this: // class hour replace subject room to text // 8a 1-2 Ei Ch --- Entfall KEINE KA // [ ] <-- at least two spaces between two blocks // 'to' and 'text' can be blank for(int i = 0; i < events.length(); i++){ if(events[i] == ""){ events.removeAt(i); } } // all pages of the original Event document have a similar header that gets removed by this command // (only the first one remains) events.removeDuplicates(); // temporary list to store the events for the given day QList tmpEvents; // temporary list to store the header information QStringList tmpEventHeader; // get the filers list for later usage QList filtersList = pGlobalAppSettings->readFilters(); // remove all elements from the filters list, that do not match the current mode ( teacher / student ) of the app for(int i = 0; i < filtersList.length(); i++){ QStringList filterList = filtersList[i]; if( !(pGlobalAppSettings->loadSetting("teacherMode") == "true" ? filterList[2] == "t":filterList[2] == "s") ){ filtersList.removeAt(i); i = i-1; } } // go through the list and process every single row for(int x = 0; x < events.length(); x++){ // store the event string QString event = events[x]; // value to count spaces between text int spaceCount = 0; // temporary list to store the data of one day QStringList eventList; // temporary dtring to store the data of one block QString tmpString; // processing works like: // go through the line char by char for(int i = 0;i < event.length(); i++){ // store the char temporarly QCharRef tmpChar = event[i]; // check if the char is a space if(tmpChar == " "){ // if so, increase the spaceCount by one spaceCount ++; } else { // if not -> new block or part of a block started // could be : 8a 1 - 2 OR 8a 1 - 2 // here->| OR here->| // in the first case, the space counter is higer than one // in the second case, the space counter is exactly one if(spaceCount == 1){ // -> append a space to the temp string tmpString.append(" "); } // reset the space counter spaceCount = 0; // append the current character tmpString.append(tmpChar); } // check if the space count is 2 if(spaceCount == 2){ // if so -> break between two blocks // could be: 8a 1 - 2 // here ->| // -> append the current tmpString to the eventList eventList.append(tmpString); // and clear the tmpString tmpString = ""; } //qDebug() << "char= " << tmpChar << " string= " << tmpString << " list= " << eventList; } // append the remaining tmpString to the eventList eventList.append(tmpString); // fill up the eventList with blanks until it reaches the defined length while (eventList.length() < 7) { eventList.append(""); } if(x < 6){ // if the event is in the header // the header could look like this: // // D-70563 FANNY-LEICHT-GYMN. Schuljahr 2018/19 - 1. Halbjahr Untis 2017 // STUTTGART, F.-LEICHT-STR. 13 gültig ab 10. September 2018 (13.12.2018 9:04) // //[Klasse 13.12. / Donnerstag Woche-A] //{Ordnungsdienst: Klasse 10a} // // important data: // () = date and time the document has been created // [] = date the document is made for // {} = class that has to clean up the scool :D // (brackets are not present in the document) // line 0 and 4 don't contain imporant information -> skip if (x == 1) { // the second line contains the creation date // the creation date is the third block of the line tmpEventHeader.append(eventList[2]); } else if (x == 2) { // the third line contains the target date of the document // the target date is the first block of the line tmpEventHeader.append(eventList[0]); } else if (x == 3) { // the third line contains the cleaning class // the cleaning class is the first block of the line tmpEventHeader.append(eventList[0]); } else if (x == 4) { // if the fourth line is reached // fill the event header while (tmpEventHeader.length() < 7) { tmpEventHeader.append(""); } // check if the header is valid // variable to count filled blocks int blocksOK = 0; foreach(QString block, tmpEventHeader){ if(block != ""){ blocksOK ++; } } if(blocksOK != 3) { // if there are more or less than 3 filled blocks, the data is invalid this->m_events.clear(); return(900); } // swap creation and target date tmpEventHeader.swap(0,1); // and append it to the events list tmpEvents.append(tmpEventHeader); } else if (x == 5) { // the fifth row contains the labels for the different filds // -> append it to the events list tmpEvents.append(eventList); } } else if(filtersList.isEmpty()){ // if there are no filters append the event immideatly tmpEvents.append(eventList); } else { // if there is at least one filter, check if the event matches it foreach(QStringList filter, filtersList){ // go through all filters and check if one of them matches the event if((eventList[0].contains(filter[0]) && eventList[0].contains(filter[1]))){ // append the eventList to the temporary event list tmpEvents.append(eventList); // terminate the loop break; } } } } // store the new events into the class variable this->m_events = tmpEvents; qDebug() << tmpEvents; // check if there is any valid data if(this->m_events.length() < 3){ // remove the last (in this case the second) element, as it is unnecessary m_events.takeLast(); // return no data return(901); } // return success return(200); /* qDebug() << "reading xml file"; QFile * xmlFile = new QFile(":/samplehtml/Download File.xml"); if (!xmlFile->open(QIODevice::ReadOnly | QIODevice::Text)) { qDebug() << "Load XML File Problem Couldn't open xmlfile.xml to load settings for download"; return 900; } //QXmlStreamReader * xmlReader = new QXmlStreamReader(eventString); QXmlStreamReader * xmlReader = new QXmlStreamReader(xmlFile); //qDebug() << xmlFile->readAll(); QList tmpEvents; QStringList dayList; while (dayList.length() < 7) { dayList.append(""); } int currTop = 0; 8a 1 - 2 Ei Ch --- Entfall KEINE KA 5abc 1 We KR --- Entfall #define eventXmlPosGrade 3 #define eventXmlPosHour 55 #define eventXmlPosReplace 123 #define eventXmlPosSubject 178 #define eventXmlPosRoom 233 #define eventXmlPosTo 275 #define eventXmlPosText 391 QList eventXmlPositions = {eventXmlPosGrade,eventXmlPosHour,eventXmlPosReplace,eventXmlPosSubject,eventXmlPosRoom,eventXmlPosTo,eventXmlPosText}; qDebug() << "start xml parsing"; //Parse the XML until we reach end of it while(!xmlReader->atEnd()) { if (xmlReader->readNextStartElement()) { // read next element if (xmlReader->name().toString() == "text"){ // text element found QXmlStreamAttributes attributes = xmlReader->attributes(); QString attribute_value; int top; if(attributes.hasAttribute("font")){ attribute_value = attributes.value("font").toString(); } if(attributes.hasAttribute("top")){ // get the y-Position of the text top = attributes.value("top").toInt(); if(abs(top - currTop) > 3){ // new line started if(currTop > 175){ // if not header -> append qDebug() << dayList; tmpEvents.append(dayList); } dayList.clear(); while (dayList.length() < 7) { dayList.append(""); } currTop = top; } if(attributes.hasAttribute("left")){ int left = attributes.value("left").toInt(); QString text = xmlReader->readElementText(QXmlStreamReader::IncludeChildElements); qDebug() << text; for(int i = 0;i<7;i++){ //qDebug() << i << left << abs(left - eventXmlPositions[i]); if(abs(left - eventXmlPositions[i]) < 30){ dayList[i] = text; //qDebug() << i << left << text << dayList << left << abs(left - eventXmlPositions[i]); } } } else { qDebug() << " no left"; } } else { qDebug() << " no top"; } } } } this->m_events = tmpEvents; if(xmlReader->hasError()) { qDebug() << "xmlFile.xml Parse Error" << xmlReader->errorString(); //return(900); } //close reader and flush file xmlReader->clear(); xmlFile->close(); */ } int ServerConn::getFoodPlan() { // set the progress to 0 this->progress = 0; // Call the webservice QNetworkRequest request(QUrl("http://www.treffpunkt-fanny.de/fuer-schueler-und-lehrer/speiseplan.html")); request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded"); // send a GET request to the treffpunkt fanny server QNetworkReply* reply; reply = this->networkManager->get(request); // update the progress during the request connect(reply, SIGNAL(downloadProgress(qint64, qint64)), this, SLOT(updateProgress(qint64, qint64))); // loop to wait until the request has finished before processing the data QEventLoop loop; // timer to cancel the request after 3 seconds QTimer timer; timer.setSingleShot(true); // quit the loop when the request finised loop.connect(this->networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(quit())); // or the timer timed out loop.connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit())); // start the timer timer.start(2000); // start the loop loop.exec(); // get the status code QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute); // set the progress to 1 this->progress = 1; if(status_code != 200){ // if the request didn't result in a success, return the error code // if the request failed but there is still old data available if(!this->m_weekplan.isEmpty()){ // set the status code to 902 (old data) status_code = 902; } return(status_code.toInt()); } // initialize the weekplan to store information to it QList> temp_weekplan; // m_weekplan is a list, that contains a list for each day, which contains: cookteam, date, main dish, vagi main dish, garnish(Beilage) and Dessert. // read the whole website QString returnedData = QString::fromUtf8(reply->readAll()); // remove unnecessary stuff returnedData.replace("\n",""); returnedData.replace("\r",""); returnedData.replace("\t",""); // workaround for changing html syntax returnedData.replace("style=\"width: 25%;\"", "width=\"25%\""); // split the string at the beginning of the tables QStringList documentList = returnedData.split( "" ); // enshure that the data is valid if(documentList.length() < 2){ return(900); } //---------- prepare the table of the first week ---------- QString table1 = documentList[1]; // enshure that the data is valid if(table1.split( "
" ).length() < 1){ return(900); } // remove everything after "" table1 = table1.split( "" )[0]; // remove "" at the beginning table1.remove(0,71); //remove "" at the end table1 = table1.left(table1.length() - 13); //split at the days to get a list of all days QStringList table1list = table1.split(""); // enshure that the data is valid if(table1list.length() < 5){ return(900); } //remove the first item, as it is empty table1list.takeFirst(); //---------- prepare the table of the second week ---------- QString table2 = documentList[2]; // enshure that the data is valid if(table2.split( "" ).length() < 1){ return(900); } //remove everything after "" table2 = table2.split( "" )[0]; //remove "" at the beginning table2.remove(0,39); //remove "" at the end table2.remove(table2.length() - 13, table2.length()); //split at the days to get a list of all days QStringList table2list = table2.split(""); // enshure that the data is valid if(table2list.length() < 5){ return(900); } //remove the first item, as it is empty table2list.takeFirst(); //---------- put both weeks into one big list ---------- QStringList weeklist = table1list + table2list; //---------- go through all days and split the day-string into the different types of information ---------- for (int i = 0; i <=7; i ++){ if(i > weeklist.length()){ // if the loop exceeds the length of the wweklist some kind of eror occured return 900; } // store item temporarly to edit it QString day = weeklist[i]; // remove "" at the and of the Item day = day.left(day.length()-5); // table list[i] looks now like: | clould be: // cookteam | Red Hot Chili Peppers //
|
// date | 26.06.2018 //
mainDish |
Gulasch mit Kartoffeln //
mainDishVeg |
Pellkartoffeln mit Quark //
garnish |
Gemischter Salat //
dessert |
Eaton Mess ( Erdbeer-Nachtisch ) // split item at strong, to get the cookteam and the date QStringList daylist = day.split(""); day = ""; // convert the list to a big string for (int i = 0; i <= 2; i ++){ if(i <= daylist.length()){ day += daylist[i]; } } day.replace("
",""); daylist = day.split(""); // store cookteam and date in the temp_weekplan //temp_weekplan.append({daylist[0], daylist[1]}); // store information in day // (looks like: "
MainDish
MainDishVeg
Garnish
Dessert") // (could be: "
Gulasch mit Kartoffeln
Pellkartoffeln mit Quark
Gemischter Salat
Eaton Mess ( Erdbeer-Nachtisch )") day = daylist.takeLast(); // seperate the information daylist.append(day.split("
")); // remove the item that is emplty from the list daylist.removeAt(2); //---------- check if the day is aleady over ---------- // get the datestring QString dateString = daylist[1]; // convert it to a valid QDate QDateTime date = QDateTime::fromString(dateString,"dd.MM.yyyy"); // get the current date and time QDateTime currentDateTime = QDateTime::currentDateTimeUtc(); // check if the given day is still in the future or today (then it is valid) if(date.toTime_t() > currentDateTime.toTime_t() || date.date() == currentDateTime.date()){ // add the rest of the information to the temp_weekplan qDebug() << "day valid:" << daylist; //---------- convert the date to a readable string ---------- QString readableDateString; if(date.date() == currentDateTime.date()){ // the given day is today readableDateString = "Heute"; } else if (date.toTime_t() < ( currentDateTime.toTime_t() + ( 24 * 60 * 60 ))) { // the given day is tomorrow readableDateString = "Morgen"; } else { readableDateString = date.toString("dddd, d.M.yy"); } qDebug() << readableDateString; // insert the redable tring into the daylist daylist[1] = readableDateString; // append the day to the weeklist temp_weekplan.append({daylist[0], daylist[1], daylist[2], daylist[3], daylist[4], daylist[5]}); } } // write data to global foodplan this->m_weekplan = temp_weekplan; // check if there is any valid data if(this->m_weekplan.isEmpty()){ // no data return(901); } // success return(200); } ReturnData_t ServerConn::senddata(QUrl serviceUrl, QUrlQuery pdata) { ReturnData_t ret; //this is a custom type to store the returned data // Call the webservice QNetworkRequest request(serviceUrl); QAuthenticator authenticator; authenticator.setUser("ZedlerDo"); authenticator.setPassword("LxyJQB"); request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded"); //set ssl configuration //send a POST request with the given url and data to the server QNetworkReply* reply; reply = this->networkManager->post(request, pdata.toString(QUrl::FullyEncoded).toUtf8()); //wait until the request has finished QEventLoop loop; loop.connect(this->networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(quit())); loop.exec(); //get the status code QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute); ret.status_code = status_code.toInt(); if(ret.status_code == 0){ //if tehstatus code is zero, the connecion to the server was not possible ret.status_code = 444; } //get the full text response ret.text = QString::fromUtf8(reply->readAll()); //return the data return(ret); } QString ServerConn::getState() { return(this->state); } void ServerConn::setState(QString state) { this->state = state; this->stateChanged(this->state); } ServerConn::~ServerConn() { qDebug("serverconn destruktor"); delete this->networkManager; delete this->refreshNetworkManager; QString path = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation); QDir dir(path + "/.fannyapp-tmp"); dir.removeRecursively(); }