Mercurial > trustbridge
comparison ui/downloader.cpp @ 10:fe39d93f1261
Start on Downloader component
| author | Andre Heinecke <aheinecke@intevation.de> |
|---|---|
| date | Thu, 13 Feb 2014 14:43:15 +0000 |
| parents | |
| children | 7e2f14c7aba2 |
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| 9:2ad9a96518e3 | 10:fe39d93f1261 |
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| 1 #include "downloader.h" | |
| 2 | |
| 3 #ifndef MYVERSION | |
| 4 #define MYVERSION "1" | |
| 5 #endif | |
| 6 | |
| 7 #ifndef DOWNLOAD_SERVER | |
| 8 #define DOWNLOAD_SERVER "https://www.intevation.de" | |
| 9 #endif | |
| 10 | |
| 11 #ifdef Q_OS_WIN | |
| 12 #include <windows.h> | |
| 13 #include <winhttp.h> | |
| 14 #endif | |
| 15 | |
| 16 #include <QFile> | |
| 17 #include <QDebug> | |
| 18 | |
| 19 Downloader::Downloader(QObject* parent, const QString& url) | |
| 20 { | |
| 21 Downloader (parent, url, QFile(":Certificates/https").readAll()); | |
| 22 } | |
| 23 | |
| 24 Downloader::Downloader(QObject* parent, const QString& url, | |
| 25 const QByteArray& certificate) : | |
| 26 mUrl(url), | |
| 27 mCert(certificate), | |
| 28 QThread(parent) | |
| 29 { | |
| 30 } | |
| 31 | |
| 32 void Downloader::run() { | |
| 33 #ifdef Q_OS_WIN | |
| 34 // We use WinAPI here instead of Qt because we want to avoid | |
| 35 // QtNetworks SSL stack which is based on OpenSSL and so | |
| 36 // we might be incompatible with GPL code. Also using the | |
| 37 // native API means that the security of the SSL implementation | |
| 38 // is tied to the security of the system. | |
| 39 BOOL bResults = FALSE; | |
| 40 HINTERNET hSession = NULL, | |
| 41 hConnect = NULL, | |
| 42 hRequest = NULL; | |
| 43 SYSTEMTIME lastModified; | |
| 44 DWORD sizeOfSystemtime = sizeof (SYSTEMTIME); | |
| 45 | |
| 46 // Get a syncronous session handle | |
| 47 hSession = WinHttpOpen(L"M13 "MYVERSION, | |
| 48 WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, | |
| 49 WINHTTP_NO_PROXY_NAME, | |
| 50 WINHTTP_NO_PROXY_BYPASS, 0); | |
| 51 | |
| 52 if (hSession) { | |
| 53 // Initialize connection. No request is done here. | |
| 54 hConnect = WinHttpConnect(hSession, L""DOWNLOAD_SERVER, | |
| 55 INTERNET_DEFAULT_HTTPS_PORT, 0); | |
| 56 | |
| 57 } | |
| 58 | |
| 59 if (hConnect) { | |
| 60 // Make a head request | |
| 61 hRequest = WinHttpOpenRequest(hConnect, L"HEAD", | |
| 62 L"/index.html", | |
| 63 NULL, WINHTTP_NO_REFERER, | |
| 64 WINHTTP_DEFAULT_ACCEPT_TYPES, | |
| 65 0); | |
| 66 } | |
| 67 | |
| 68 if (hRequest) { | |
| 69 bResults = WinHttpSendRequest(hRequest, | |
| 70 WINHTTP_NO_ADDITIONAL_HEADERS, | |
| 71 0, WINHTTP_NO_REQUEST_DATA, 0, | |
| 72 0, 0); | |
| 73 } | |
| 74 | |
| 75 if (bResults) { | |
| 76 bResults = WinHttpReceiveResponse(hRequest, NULL); | |
| 77 } | |
| 78 | |
| 79 | |
| 80 | |
| 81 if (bResults) { | |
| 82 bResults = WinHttpQueryHeaders(hRequest, | |
| 83 WINHTTP_QUERY_LAST_MODIFIED | | |
| 84 WINHTTP_QUERY_FLAG_SYSTEMTIME, | |
| 85 NULL, | |
| 86 &lastModified, | |
| 87 &sizeOfSystemtime, | |
| 88 WINHTTP_NO_HEADER_INDEX ); | |
| 89 } | |
| 90 | |
| 91 qDebug() << "Last modified year: " << lastModified.wYear; | |
| 92 | |
| 93 | |
| 94 if (!bResults) { | |
| 95 // Report any errors. | |
| 96 qDebug() << "Error" << GetLastError(); | |
| 97 emit error(tr("Unknown Problem when connecting"), Unknown); | |
| 98 } | |
| 99 | |
| 100 // Cleanup | |
| 101 if (hRequest) { | |
| 102 WinHttpCloseHandle(hRequest); | |
| 103 } | |
| 104 | |
| 105 if (hConnect) { | |
| 106 WinHttpCloseHandle(hConnect); | |
| 107 | |
| 108 } | |
| 109 | |
| 110 if (hSession) { | |
| 111 WinHttpCloseHandle(hSession); | |
| 112 } | |
| 113 #endif | |
| 114 | |
| 115 for (int i=0; i< 10; i++) { | |
| 116 qDebug("Going to sleep\n"); | |
| 117 sleep(10); | |
| 118 } | |
| 119 } |