aheinecke@10: #include "downloader.h"
aheinecke@10: 
aheinecke@10: #ifndef MYVERSION
aheinecke@10: #define MYVERSION "1"
aheinecke@10: #endif
aheinecke@10: 
aheinecke@10: #ifndef DOWNLOAD_SERVER
aheinecke@10: #define DOWNLOAD_SERVER "https://www.intevation.de"
aheinecke@10: #endif
aheinecke@10: 
aheinecke@10: #ifdef Q_OS_WIN
aheinecke@10: #include <windows.h>
aheinecke@10: #include <winhttp.h>
aheinecke@10: #endif
aheinecke@10: 
aheinecke@10: #include <QFile>
aheinecke@10: #include <QDebug>
aheinecke@10: 
aheinecke@10: Downloader::Downloader(QObject* parent, const QString& url)
aheinecke@10: {
aheinecke@10:     Downloader (parent, url, QFile(":Certificates/https").readAll());
aheinecke@10: }
aheinecke@10: 
aheinecke@10: Downloader::Downloader(QObject* parent, const QString& url,
aheinecke@10:                        const QByteArray& certificate) :
aheinecke@10:     mUrl(url),
aheinecke@10:     mCert(certificate),
aheinecke@10:     QThread(parent)
aheinecke@10: {
aheinecke@10: }
aheinecke@10: 
aheinecke@10: void Downloader::run() {
aheinecke@10: #ifdef Q_OS_WIN
aheinecke@10:     // We use WinAPI here instead of Qt because we want to avoid
aheinecke@10:     // QtNetworks SSL stack which is based on OpenSSL and so
aheinecke@10:     // we might be incompatible with GPL code. Also using the
aheinecke@10:     // native API means that the security of the SSL implementation
aheinecke@10:     // is tied to the security of the system.
aheinecke@10:     BOOL bResults = FALSE;
aheinecke@10:     HINTERNET hSession = NULL,
aheinecke@10:               hConnect = NULL,
aheinecke@10:               hRequest = NULL;
aheinecke@10:     SYSTEMTIME lastModified;
aheinecke@10:     DWORD sizeOfSystemtime = sizeof (SYSTEMTIME);
aheinecke@10: 
aheinecke@10:     // Get a syncronous session handle
aheinecke@10:     hSession = WinHttpOpen(L"M13 "MYVERSION,
aheinecke@10:                            WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
aheinecke@10:                            WINHTTP_NO_PROXY_NAME,
aheinecke@10:                            WINHTTP_NO_PROXY_BYPASS, 0);
aheinecke@10: 
aheinecke@10:     if (hSession) {
aheinecke@10:         // Initialize connection. No request is done here.
aheinecke@10:         hConnect = WinHttpConnect(hSession, L""DOWNLOAD_SERVER,
aheinecke@10:                                   INTERNET_DEFAULT_HTTPS_PORT, 0);
aheinecke@10: 
aheinecke@10:     }
aheinecke@10: 
aheinecke@10:     if (hConnect) {
aheinecke@10:         // Make a head request
aheinecke@10:         hRequest = WinHttpOpenRequest(hConnect, L"HEAD",
aheinecke@10:                                       L"/index.html",
aheinecke@10:                                       NULL, WINHTTP_NO_REFERER,
aheinecke@10:                                       WINHTTP_DEFAULT_ACCEPT_TYPES,
aheinecke@10:                                       0);
aheinecke@10:     }
aheinecke@10: 
aheinecke@10:     if (hRequest) {
aheinecke@10:         bResults = WinHttpSendRequest(hRequest,
aheinecke@10:                                       WINHTTP_NO_ADDITIONAL_HEADERS,
aheinecke@10:                                       0, WINHTTP_NO_REQUEST_DATA, 0, 
aheinecke@10:                                       0, 0);
aheinecke@10:     }
aheinecke@10: 
aheinecke@10:     if (bResults) {
aheinecke@10:         bResults = WinHttpReceiveResponse(hRequest, NULL);
aheinecke@10:     }
aheinecke@10: 
aheinecke@10: 
aheinecke@10: 
aheinecke@10:     if (bResults) {
aheinecke@10:         bResults = WinHttpQueryHeaders(hRequest,
aheinecke@10:                                        WINHTTP_QUERY_LAST_MODIFIED |
aheinecke@10:                                        WINHTTP_QUERY_FLAG_SYSTEMTIME,
aheinecke@10:                                        NULL,
aheinecke@10:                                        &lastModified,
aheinecke@10:                                        &sizeOfSystemtime,
aheinecke@10:                                        WINHTTP_NO_HEADER_INDEX );
aheinecke@10:     }
aheinecke@10: 
aheinecke@10:     qDebug() << "Last modified year: " << lastModified.wYear;
aheinecke@10: 
aheinecke@10: 
aheinecke@10:     if (!bResults) {
aheinecke@10:         // Report any errors.
aheinecke@10:         qDebug() << "Error" << GetLastError();
aheinecke@10:         emit error(tr("Unknown Problem when connecting"), Unknown);
aheinecke@10:     }
aheinecke@10: 
aheinecke@10:     // Cleanup
aheinecke@10:     if (hRequest) {
aheinecke@10:         WinHttpCloseHandle(hRequest);
aheinecke@10:     }
aheinecke@10: 
aheinecke@10:     if (hConnect) {
aheinecke@10:         WinHttpCloseHandle(hConnect);
aheinecke@10: 
aheinecke@10:     }
aheinecke@10: 
aheinecke@10:     if (hSession) {
aheinecke@10:         WinHttpCloseHandle(hSession);
aheinecke@10:     }
aheinecke@10: #endif
aheinecke@10: 
aheinecke@10:     for (int i=0; i< 10; i++) {
aheinecke@10:         qDebug("Going to sleep\n");
aheinecke@10:         sleep(10);
aheinecke@10:     }
aheinecke@10: }