Added ability to synchronous/asynchronous HTTP POST to be used by TT-RSS plugin.

src/network-web/downloader.cpp

@@ -24,8 +24,8 @@
 
 Downloader::Downloader(QObject *parent)
   : QObject(parent), m_activeReply(NULL), m_downloadManager(new SilentNetworkAccessManager(this)),
-    m_timer(new QTimer(this)), m_customHeaders(QHash<QByteArray, QByteArray>()), m_lastOutputData(QByteArray()),
+    m_timer(new QTimer(this)), m_customHeaders(QHash<QByteArray, QByteArray>()), m_inputData(QByteArray()),
-    m_lastOutputError(QNetworkReply::NoError), m_lastContentType(QVariant()) {
+    m_lastOutputData(QByteArray()), m_lastOutputError(QNetworkReply::NoError), m_lastContentType(QVariant()) {
 
   m_timer->setInterval(DOWNLOAD_TIMEOUT);
   m_timer->setSingleShot(true);
@@ -66,8 +66,33 @@ void Downloader::downloadFile(const QString &url, int timeout, bool protected_co
   runGetRequest(request);
 }
 
+void Downloader::uploadData(const QString &url, const QByteArray &data, int timeout) {
+  QNetworkRequest request;
+  QString non_const_url = url;
+
+  foreach (const QByteArray &header_name, m_customHeaders.keys()) {
+    request.setRawHeader(header_name, m_customHeaders.value(header_name));
+  }
+
+  m_inputData = data;
+
+  // Set url for this request and fire it up.
+  m_timer->setInterval(timeout);
+
+  if (non_const_url.startsWith(URI_SCHEME_FEED)) {
+    qDebug("Replacing URI schemes for '%s'.", qPrintable(non_const_url));
+    request.setUrl(non_const_url.replace(QRegExp(QString('^') + URI_SCHEME_FEED), QString(URI_SCHEME_HTTP)));
+  }
+  else {
+    request.setUrl(non_const_url);
+  }
+
+  runPostRequest(request, m_inputData);
+}
+
 void Downloader::finished() {
   QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
+  QNetworkAccessManager::Operation reply_operation = reply->operation();
 
   m_timer->stop();
 
@@ -89,8 +114,13 @@ void Downloader::finished() {
     m_activeReply->deleteLater();
     m_activeReply = NULL;
 
+    if (reply_operation == QNetworkAccessManager::GetOperation) {
       runGetRequest(request);
     }
+    else if (reply_operation == QNetworkAccessManager::PostOperation) {
+      runPostRequest(request, m_inputData);
+    }
+  }
   else {
     // No redirection is indicated. Final file is obtained in our "reply" object.
     // Read the data into output buffer.
@@ -120,6 +150,14 @@ void Downloader::timeout() {
   }
 }
 
+void Downloader::runPostRequest(const QNetworkRequest &request, const QByteArray &data) {
+  m_timer->start();
+  m_activeReply = m_downloadManager->post(request, data);
+
+  connect(m_activeReply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(progressInternal(qint64,qint64)));
+  connect(m_activeReply, SIGNAL(finished()), this, SLOT(finished()));
+}
+
 void Downloader::runGetRequest(const QNetworkRequest &request) {
   m_timer->start();
   m_activeReply = m_downloadManager->get(request);

src/network-web/downloader.h

@@ -49,6 +49,11 @@ class Downloader : public QObject {
     void downloadFile(const QString &url, int timeout = DOWNLOAD_TIMEOUT, bool protected_contents = false,
                       const QString &username = QString(), const QString &password = QString());
 
+    // Performs asynchronous upload of given data as HTTP POST.
+    // User needs to setup "Content-Encoding" header which
+    // matches encoding of the data.
+    void uploadData(const QString &url, const QByteArray &data, int timeout = DOWNLOAD_TIMEOUT);
+
   signals:
     // Emitted when new progress is known.
     void progress(qint64 bytes_received, qint64 bytes_total);
@@ -65,6 +70,7 @@ class Downloader : public QObject {
     void timeout();
 
   private:
+    void runPostRequest(const QNetworkRequest &request, const QByteArray &data);
     void runGetRequest(const QNetworkRequest &request);
 
   private:
@@ -72,6 +78,7 @@ class Downloader : public QObject {
     SilentNetworkAccessManager *m_downloadManager;
     QTimer *m_timer;
     QHash<QByteArray, QByteArray> m_customHeaders;
+    QByteArray m_inputData;
 
     // Response data.
     QByteArray m_lastOutputData;

src/network-web/networkfactory.cpp

@@ -148,6 +148,26 @@ QNetworkReply::NetworkError NetworkFactory::downloadIcon(const QList<QString> &u
   return network_result;
 }
 
+NetworkResult NetworkFactory::uploadData(const QString &url, int timeout, const QByteArray &input_data,
+                                         const QString &input_content_type, QByteArray &output) {
+  Downloader downloader;
+  QEventLoop loop;
+  NetworkResult result;
+
+  downloader.appendRawHeader("Content-Type", input_content_type.toLocal8Bit());
+
+  // We need to quit event loop when the download finishes.
+  QObject::connect(&downloader, SIGNAL(completed(QNetworkReply::NetworkError)), &loop, SLOT(quit()));
+
+  downloader.uploadData(url, input_data, timeout);
+  loop.exec();
+  output = downloader.lastOutputData();
+  result.first = downloader.lastOutputError();
+  result.second = downloader.lastContentType();
+
+  return result;
+}
+
 NetworkResult NetworkFactory::downloadFeedFile(const QString &url, int timeout,
                                                QByteArray &output, bool protected_contents,
                                                const QString &username, const QString &password) {

src/network-web/networkfactory.h

@@ -43,6 +43,9 @@ class NetworkFactory {
     // given URL belongs to.
     static QNetworkReply::NetworkError downloadIcon(const QList<QString> &urls, int timeout, QIcon &output);
 
+    static NetworkResult uploadData(const QString &url, int timeout, const QByteArray &input_data,
+                                    const QString &input_content_type, QByteArray &output);
+
     static NetworkResult downloadFeedFile(const QString &url, int timeout, QByteArray &output,
                                           bool protected_contents = false, const QString &username = QString(),
                                           const QString &password = QString());

src/services/tt-rss/definitions.h

@@ -0,0 +1,36 @@
+#ifndef DEFINITIONS_H
+#define DEFINITIONS_H
+
+// Error when user needs to login before making an operation.
+#define NOT_LOGGED_IN     "NOT_LOGGED_IN"
+
+// General return status codes.
+#define API_STATUS_OK     0
+#define API_STATUS_ERR    1
+#define STATUS_OK         "OK"
+
+// Login.
+#define API_DISABLED      "API_DISABLED"    // API is not enabled.
+#define LOGIN_ERROR       "LOGIN_ERROR"     // Incorrect password/username.
+
+// Logout.
+#define LOGOUT_OK         "OK"
+
+
+/* //login
+ *   QtJson::JsonObject obj;
+  obj["op"] = "login";
+  obj["user"] = "admin";
+  obj["password"] = "Zy69tKWF";
+
+  QByteArray arr;
+  NetworkResult res = NetworkFactory::uploadData("http://rss.rotterovi.eu/api/",
+                                                 15000,
+                                                 QtJson::serialize(obj),
+                                                 "application/json; charset=utf-8",
+                                                 arr);
+
+  obj = QtJson::parse(QString::fromUtf8(arr)).toMap();*/
+
+#endif // DEFINITIONS_H
+