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annotate ui/downloader.cpp @ 10:fe39d93f1261

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