Initial commit

Lts/Tools/VapixConfig/httprequesthandler.cpp

@@ -0,0 +1,150 @@
+/**
+  * @RDE_HEADER@
+  * HTTPRequestHandler sends requests to Axis Cameras initialized in VapixConfig
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Terrell Scharfenberg, SLSE, 2016-05-27
+  */
+
+#include "httprequesthandler.h"
+#include <QDebug>
+#include <QEventLoop>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QRegularExpression>
+
+using namespace VapixConfig;
+HTTPRequestHandler::HTTPRequestHandler()
+{}
+
+void HTTPRequestHandler::init(const QString &ip, const QString &password, const QString &username)
+{
+  m_ip = ip;
+  m_userName = username;
+  m_password = password;
+}
+
+QNetworkReply *HTTPRequestHandler::sendRequest(const QUrl &paramUrl, QNetworkAccessManager *qNam)
+{
+  QNetworkRequest request(paramUrl);
+  QNetworkReply *reply = qNam->get(request);
+  // TODO
+  QEventLoop eventLoop;
+  QObject::connect(qNam, &QNetworkAccessManager::finished,
+                   &eventLoop, &QEventLoop::quit);
+  eventLoop.exec();
+  qDebug() << "Request sent";
+  return reply;
+}
+// gets all parameter(configuration) from the camera
+QVector<QMap<QString, QString>> HTTPRequestHandler::getParams(const QString &groupName, QNetworkAccessManager *qNam)
+{
+  int amount = getAmount(groupName, qNam);
+  QVector<QMap<QString, QString>> paramList;
+
+  const QString prefix = buildHttpPrefix() + QLatin1String("/axis-cgi/admin/param.cgi?action=list&group=");
+  QString baseUrl;
+  paramList.reserve(amount);
+  for (int i = 0; i < amount; ++i)
+  {
+    if (groupName == QLatin1String("Event.*.Actions"))
+      baseUrl = prefix + QLatin1String("Event.E") + QString::number(i) + QLatin1String(".Actions");
+    else if (groupName == QLatin1String("EventServers"))
+      baseUrl = prefix + groupName + QLatin1String(".TCP.T") + QString::number(i);
+    else if (groupName == QLatin1String("Motion"))
+      baseUrl = prefix + groupName + QLatin1String(".M") + QString::number(i);
+    else if (groupName == QLatin1String("Event"))
+      baseUrl = prefix + groupName + QLatin1String(".E") + QString::number(i);
+    else if (groupName == QLatin1String("Image"))
+      baseUrl = prefix + groupName + QLatin1String(".I0.Appearance.Resolution");
+    else
+      qDebug() << "Error: Groupname does not exist";
+    QUrl requestUrl(baseUrl);
+    QNetworkReply *reply = sendRequest(requestUrl, qNam);
+    QByteArray replyBytes = reply->readAll();
+    QString replyText = QString::fromUtf8(replyBytes.data(), replyBytes.size());
+    QRegularExpression re(QLatin1String("(\\w++=[^_]++)"));
+    const QVector<QStringRef> replyList = replyText.splitRef(QRegExp(QLatin1String("\n|\r\n|\r")));
+    QMap<QString, QString> paramMap;
+    for (const QStringRef &string : replyList)
+    {
+      QRegularExpressionMatch match = re.match(string, 0, QRegularExpression::PartialPreferCompleteMatch);
+      if (!match.captured(0).isNull())
+      {
+        const QStringList sl = match.captured(0).split(QLatin1Char('='));
+        paramMap[sl.at(0)] = sl.at(1);
+      }
+    }
+    reply->deleteLater();
+    paramList.append(paramMap);
+    paramMap.clear();
+  }
+  return paramList;
+}
+
+//removes all modified parameter
+void HTTPRequestHandler::removeParams(const QString &groupName, QNetworkAccessManager *qNam)
+{
+  const QString prefix = buildHttpPrefix() + QLatin1String("/axis-cgi/admin/param.cgi?action=list&group=");
+  QUrl requestUrl(prefix + groupName);
+  QNetworkReply *reply = sendRequest(requestUrl, qNam);
+  QByteArray replyBytes = reply->readAll();
+  QString replyText = QString::fromUtf8(replyBytes.data(), replyBytes.size());
+  QRegularExpression re(QLatin1String("(\\b\\w{2}\\b)"));
+  const QVector<QStringRef> replyList = replyText.splitRef(QRegExp(QLatin1String("\n|\r\n|\r")));
+  QStringList tempList;
+  for (const QStringRef &string : replyList)
+  {
+    QRegularExpressionMatch match = re.match(string, 0, QRegularExpression::NormalMatch);
+    if (match.capturedRef(0).isNull())
+      continue;
+
+    const QString removeUrl = buildHttpPrefix() + QLatin1String("/axis-cgi/admin/param.cgi?action=remove&group=") +
+        groupName + QLatin1Char('.') + match.captured(0);
+    tempList.append(removeUrl);
+  }
+  tempList.removeDuplicates();
+  for (const QString &string : qAsConst(tempList))
+  {
+    QUrl url;
+    url.setUrl(string);
+    sendRequest(url, qNam);
+  }
+  reply->deleteLater();
+}
+//method to get how many parameter are configurated multiple times
+int HTTPRequestHandler::getAmount(const QString &groupName, QNetworkAccessManager *qNam)
+{
+  const QString reqStr = buildHttpPrefix() + QLatin1String("/axis-cgi/admin/param.cgi?action=list&group=");
+
+  QString baseUrl;
+  if (groupName == QLatin1String("Event.*.Actions"))
+    baseUrl = reqStr + groupName + QLatin1String(".*.Protocol");
+  else if (groupName == QLatin1String("EventServers"))
+    baseUrl = reqStr + groupName + QLatin1String(".TCP.*.Name");
+  else if (groupName == QLatin1String("Image"))
+    baseUrl = reqStr + groupName + QLatin1String(".I0.Appearance.Resolution");
+  else
+    baseUrl = reqStr + groupName + QLatin1String(".*.Name");
+
+  QUrl requestUrl(baseUrl);
+  QNetworkReply *reply = sendRequest(requestUrl, qNam);
+  QByteArray replyBytes = reply->readAll();
+  QString bytesString = QString::fromUtf8(replyBytes.data(), replyBytes.size());
+  QString replyText = QVariant(bytesString).toString();
+  QStringList replyList = replyText.split(QRegExp(QLatin1String("\n|\r\n|\r")));
+  reply->deleteLater();
+  return replyList.count() - 1;
+}
+
+QString HTTPRequestHandler::buildHttpPrefix() const
+{
+  QString prefix = QLatin1String("http://");
+  if (!m_userName.isEmpty())
+    prefix += m_userName + QLatin1Char(':');
+  if (!m_password.isEmpty())
+    prefix += m_password + QLatin1Char('@');
+  prefix += m_ip;
+  return prefix;
+}