annotate ui/downloader_win.cpp @ 21:dc1e1e9e62ce

Add certificate class and use it
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 20 Feb 2014 10:58:28 +0000
parents fec1a610d43f
children 7d07d261b003
rev   line source
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1 /**
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2 * @file downloader_win.cpp
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3 * @brief Downloader implementation for Windows
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4 *
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5 * We use Windows API here instead of Qt because we want to avoid
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6 * QtNetworks SSL stack which is based on OpenSSL and so
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7 * we might be incompatible with GPL code. Also using the
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8 * native API means that the security of the SSL implementation
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9 * is tied to the security of the system.
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10 *
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11 */
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12 #include "downloader.h"
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13 #ifdef Q_OS_WIN
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14 #ifndef MYVERSION
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15 #define MYVERSION "1"
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16 #endif
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17
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18 #include <windows.h>
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19 #include <winhttp.h>
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20
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21 #include <QDebug>
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22 #include <QDateTime>
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23 #include <QSaveFile>
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24 #include <QFileInfo>
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25
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26 #define DEBUG if (1) qDebug() << __PRETTY_FUNCTION__
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27
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28 #define MAX_SW_SIZE 10485760
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29 #define MAX_LIST_SIZE 1048576
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30
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31
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32 #define LIST_RESOURCE "/incoming/aheinecke/test"
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33 #define SW_RESOURCE "/incoming/aheinecke/test"
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34
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35
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36 /** @brief Qt wrapper around FormatMessage
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37 *
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38 * @returns The error message of the error that occurred
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39 */
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40 const QString getLastErrorMsg() {
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41 LPWSTR bufPtr = NULL;
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42 DWORD err = GetLastError();
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43 FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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44 FORMAT_MESSAGE_FROM_SYSTEM |
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45 FORMAT_MESSAGE_IGNORE_INSERTS,
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46 NULL, err, 0, (LPWSTR)&bufPtr, 0, NULL);
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47 if (!bufPtr) {
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48 HMODULE hWinhttp = GetModuleHandleW(L"winhttp");
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49 if (hWinhttp) {
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50 FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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51 FORMAT_MESSAGE_FROM_HMODULE |
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52 FORMAT_MESSAGE_IGNORE_INSERTS,
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53 hWinhttp, HRESULT_CODE(err), 0,
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54 (LPWSTR)&bufPtr, 0, NULL);
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55 }
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56 }
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57 const QString result =
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58 (bufPtr) ? QString::fromUtf16((const ushort*)bufPtr).trimmed() :
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59 QString("Unknown Error %1").arg(err);
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60 LocalFree(bufPtr);
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61 return result;
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62 }
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63
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64
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65 /** @brief open a session with appropriate proxy settings
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66 *
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67 * @param[inout] *pHSession pointer to a HInternet structure
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68 *
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69 * On error call getLastError to get extended error information.
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70 *
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71 * @returns True on success, false on error.
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72 */
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73
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74
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75 bool openSession(HINTERNET *pHSession)
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76 {
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77 WINHTTP_CURRENT_USER_IE_PROXY_CONFIG proxyConfig;
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78
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79 DEBUG;
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80 if (!pHSession) {
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81 SetLastError(ERROR_INVALID_PARAMETER);
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82 return false;
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83 }
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84
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85 memset(&proxyConfig, 0, sizeof (WINHTTP_CURRENT_USER_IE_PROXY_CONFIG));
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86
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87 if (WinHttpGetIEProxyConfigForCurrentUser(&proxyConfig)) {
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88 if (proxyConfig.fAutoDetect) {
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89 // TODO Handle this
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90 qDebug() << "Autodetect is set";
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91 }
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92
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93 if (proxyConfig.lpszProxy || proxyConfig.lpszProxyBypass) {
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94 DEBUG << "Using proxies.";
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95 }
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96
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97 if (proxyConfig.lpszProxy) {
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98 *pHSession = WinHttpOpen(L"M13 "MYVERSION,
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99 WINHTTP_ACCESS_TYPE_NAMED_PROXY,
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100 proxyConfig.lpszProxy,
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101 proxyConfig.lpszProxyBypass, 0);
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102 }
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103 }
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104
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105 if (!*pHSession) {
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106 DEBUG << "No IE Proxy falling back to default proxy";
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107 *pHSession = WinHttpOpen(L"M13 "MYVERSION,
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108 WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
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109 WINHTTP_NO_PROXY_NAME,
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110 WINHTTP_NO_PROXY_BYPASS, 0);
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111 }
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112 // Cleanup
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113 if (proxyConfig.lpszAutoConfigUrl) {
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114 GlobalFree(proxyConfig.lpszAutoConfigUrl);
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115 }
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116
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117 if (proxyConfig.lpszProxy) {
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118 GlobalFree(proxyConfig.lpszProxy);
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119 }
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120
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121 if (proxyConfig.lpszProxyBypass) {
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122 GlobalFree(proxyConfig.lpszProxyBypass);
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123 }
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124 return *pHSession;
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125 }
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126
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127
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128 /** @brief initialize a connection in the session
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129 *
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130 * @param[in] HSession the session to work in.
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131 * @param[inout] *pHConnect pointer to the connection.
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132 * @param[in] url pointer to the URL in wchar representation.
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133 *
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134 * On error call getLastError to get extended error information.
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135 *
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136 * @returns True on success, false on error.
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137 */
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138 bool initializeConnection(HINTERNET hSession, HINTERNET *pHConnect,
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139 LPCWSTR url)
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140 {
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141 DEBUG;
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parents:
diff changeset
142 if (!hSession || !pHConnect) {
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
143 SetLastError(ERROR_INVALID_PARAMETER);
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
144 return false;
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
145 }
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
146 // Initialize connection. No request is done here.
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
147 *pHConnect = WinHttpConnect(hSession, url,
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
148 INTERNET_DEFAULT_HTTPS_PORT, 0);
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
149
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
150 return *pHConnect;
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
151 }
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parents:
diff changeset
152
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
153 /** @brief Create a request
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parents:
diff changeset
154 *
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parents:
diff changeset
155 * @param[in] HSession the session to work in.
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parents:
diff changeset
156 * @param[in] HConnect the connection to use.
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parents:
diff changeset
157 * @param[inout] *pHRequest pointer to the request structure to be filled.
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parents:
diff changeset
158 * @param[in] requestType the HTTP request to be made default is GET
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parents:
diff changeset
159 * @param[in] resource pointer to the resource to request in wchar
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
160 * representation.
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
161 *
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parents:
diff changeset
162 * On error call getLastError to get extended error information.
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163 * This function still does not do any networking but only initializes
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
164 * it.
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
165 *
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parents:
diff changeset
166 * @returns True on success, false on error.
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parents:
diff changeset
167 */
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parents:
diff changeset
168
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
169 bool createRequest(HINTERNET hSession, HINTERNET hConnect,
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parents:
diff changeset
170 HINTERNET *pHRequest, LPCWSTR requestType, LPCWSTR resource)
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parents:
diff changeset
171 {
15
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diff changeset
172 DWORD dwSSLFlag;
11
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parents:
diff changeset
173 DEBUG;
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
174 if (!hSession || !hConnect || !pHRequest) {
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
175 SetLastError(ERROR_INVALID_PARAMETER);
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
176 return false;
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
177 }
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
178
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
179 *pHRequest = WinHttpOpenRequest(hConnect, requestType, resource,
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
180 NULL, WINHTTP_NO_REFERER,
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
181 WINHTTP_DEFAULT_ACCEPT_TYPES,
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Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
182 WINHTTP_FLAG_SECURE);
15
95e1b6edf2fc Implement more downloader functionality for Windows
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parents: 11
diff changeset
183
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diff changeset
184 dwSSLFlag = SECURITY_FLAG_IGNORE_UNKNOWN_CA;
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diff changeset
185 dwSSLFlag |= SECURITY_FLAG_IGNORE_CERT_DATE_INVALID;
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parents: 11
diff changeset
186 dwSSLFlag |= SECURITY_FLAG_IGNORE_CERT_CN_INVALID;
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diff changeset
187 dwSSLFlag |= SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE;
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parents: 11
diff changeset
188
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diff changeset
189 WinHttpSetOption(*pHRequest, WINHTTP_OPTION_SECURITY_FLAGS,
95e1b6edf2fc Implement more downloader functionality for Windows
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parents: 11
diff changeset
190 &dwSSLFlag, sizeof(dwSSLFlag));
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Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
191
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
192 return *pHRequest;
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
193 }
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parents:
diff changeset
194
15
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diff changeset
195 bool Downloader::verifyCertificate(HINTERNET hRequest)
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diff changeset
196 {
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diff changeset
197 CERT_CONTEXT *certContext = NULL;
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diff changeset
198 DWORD certContextLen = sizeof(CERT_CONTEXT);
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diff changeset
199 bool retval = false;
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
200
15
95e1b6edf2fc Implement more downloader functionality for Windows
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diff changeset
201 if (!WinHttpQueryOption(hRequest,
95e1b6edf2fc Implement more downloader functionality for Windows
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parents: 11
diff changeset
202 WINHTTP_OPTION_SERVER_CERT_CONTEXT,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
203 &certContext,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
204 &certContextLen)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
205 DEBUG << "Unable to get server certificate";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
206 return false;
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
207 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
208
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
209 QByteArray serverCert ((const char *) certContext->pbCertEncoded,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
210 certContext->cbCertEncoded);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
211
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
212 retval = (serverCert == mCert);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
213
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
214 if (!retval) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
215 DEBUG << "Certificate is not the same as the pinned one!"
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
216 << "Base64 cert: " << serverCert.toBase64();
18
f4f957c58e0a Move listuitol and add cert pinning with a test certificate
Andre Heinecke <aheinecke@intevation.de>
parents: 17
diff changeset
217 emit error("Invalid certificate", InvalidCertificate);
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
218 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
219
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
220 CertFreeCertificateContext(certContext);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
221 return retval;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
222 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
223
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
224 QDateTime Downloader::getLastModifiedHeader(HINTERNET hSession,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
225 HINTERNET hConnect, LPCWSTR resource)
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
226 {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
227 HINTERNET hRequest = NULL;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
228 SYSTEMTIME lMod;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
229 DWORD sizeOfSystemtime = sizeof (SYSTEMTIME);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
230 QDateTime retval;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
231 DWORD err = 0;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
232
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
233 memset(&lMod, 0, sizeof (SYSTEMTIME));
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
234
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
235 if (!hSession || !hConnect || !resource) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
236 SetLastError(ERROR_INVALID_PARAMETER);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
237 return retval;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
238 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
239
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
240 if (!createRequest(hSession, hConnect, &hRequest, L"HEAD",
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
241 resource)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
242 err = GetLastError();
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
243 goto cleanup;
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
244 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
245
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
246 if (!WinHttpSendRequest(hRequest,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
247 WINHTTP_NO_ADDITIONAL_HEADERS,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
248 0, WINHTTP_NO_REQUEST_DATA, 0,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
249 0, 0)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
250 err = GetLastError();
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
251 goto cleanup;
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
252 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
253
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
254
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
255 if (!WinHttpReceiveResponse(hRequest, NULL)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
256 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
257 goto cleanup;
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
258 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
259
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
260 if (!verifyCertificate(hRequest)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
261 DEBUG << "Certificate verification failed";
18
f4f957c58e0a Move listuitol and add cert pinning with a test certificate
Andre Heinecke <aheinecke@intevation.de>
parents: 17
diff changeset
262 goto cleanup;
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
263 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
264
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
265 if (!(WinHttpQueryHeaders(hRequest,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
266 WINHTTP_QUERY_LAST_MODIFIED |
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
267 WINHTTP_QUERY_FLAG_SYSTEMTIME,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
268 NULL,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
269 &lMod,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
270 &sizeOfSystemtime,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
271 WINHTTP_NO_HEADER_INDEX))) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
272 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
273 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
274 }
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
275
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
276 retval = QDateTime(QDate(lMod.wYear, lMod.wMonth, lMod.wDay),
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
277 QTime(lMod.wHour, lMod.wMinute, lMod.wSecond,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
278 lMod.wMilliseconds),
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
279 Qt::UTC);
20
fec1a610d43f Mark usage of goto with TODOs to remove them
Andre Heinecke <aheinecke@intevation.de>
parents: 18
diff changeset
280
fec1a610d43f Mark usage of goto with TODOs to remove them
Andre Heinecke <aheinecke@intevation.de>
parents: 18
diff changeset
281 // TODO remove and replace with a smart handle
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
282 cleanup:
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
283 if (hRequest) {
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
284 WinHttpCloseHandle(hRequest);
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
285 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
286
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
287 // Close handle might overwrite the last error.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
288 SetLastError(err);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
289 return retval;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
290 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
291
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
292 bool Downloader::downloadFile(HINTERNET hSession, HINTERNET hConnect,
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
293 LPCWSTR resource, const QString &fileName, DWORD maxSize)
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
294 {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
295 HINTERNET hRequest = NULL;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
296 bool retval = false;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
297 DWORD bytesAvailable = 0,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
298 err = 0,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
299 bytesRead = 0,
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
300 totalDownloaded = 0,
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
301 contentLength = 0,
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
302 sizeOfDWORD = sizeof (DWORD);
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
303
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
304 QSaveFile outputFile(fileName);
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
305
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
306 if (!hSession || !hConnect || !resource) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
307 SetLastError(ERROR_INVALID_PARAMETER);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
308 return retval;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
309 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
310
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
311 if (!createRequest(hSession, hConnect, &hRequest, L"GET",
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
312 resource)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
313 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
314 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
315 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
316
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
317 if (!WinHttpSendRequest(hRequest,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
318 WINHTTP_NO_ADDITIONAL_HEADERS,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
319 0, WINHTTP_NO_REQUEST_DATA, 0,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
320 0, 0)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
321 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
322 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
323 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
324
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
325
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
326 if (!WinHttpReceiveResponse(hRequest, NULL)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
327 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
328 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
329 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
330
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
331 if (!verifyCertificate(hRequest)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
332 DEBUG << "Certificate verification failed";
18
f4f957c58e0a Move listuitol and add cert pinning with a test certificate
Andre Heinecke <aheinecke@intevation.de>
parents: 17
diff changeset
333 goto cleanup;
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
334 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
335
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
336
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
337 if (!(WinHttpQueryHeaders(hRequest,
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
338 WINHTTP_QUERY_CONTENT_LENGTH |
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
339 WINHTTP_QUERY_FLAG_NUMBER,
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
340 NULL,
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
341 &contentLength,
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
342 &sizeOfDWORD,
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
343 WINHTTP_NO_HEADER_INDEX))) {
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
344 // Continue anyway as we later really check how
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
345 // much we download.
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
346 DEBUG << "No content-length";
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
347 }
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
348
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
349 if (contentLength > maxSize) {
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
350 err = ERROR_INVALID_DATA;
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
351 goto cleanup;
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
352 }
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
353
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
354 if (contentLength) {
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
355 QFileInfo finf(fileName);
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
356 if (finf.exists() && finf.isReadable() &&
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
357 finf.size() == contentLength) {
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
358 // We already have data of the same size
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
359 // No need to waste bandwidth.
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
360 DEBUG << "Skipping download because file exists";
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
361 retval = true;
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
362 goto cleanup;
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
363 }
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
364 }
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
365
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
366 // Open / Create the file to write to.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
367 if (!outputFile.open(QIODevice::WriteOnly)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
368 DEBUG << "Failed to open file";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
369 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
370 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
371 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
372
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
373 DEBUG << "output file size: " << outputFile.size();
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
374 do
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
375 {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
376 char outBuf[8192]; // 8KB is the internal buffer size of winhttp
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
377 memset(outBuf, 0, sizeof(outBuf));
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
378 bytesRead = 0;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
379
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
380 if (!WinHttpQueryDataAvailable(hRequest, &bytesAvailable)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
381 DEBUG << "Querying for available data failed";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
382 retval = false;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
383 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
384 break;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
385 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
386
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
387 if (!bytesAvailable) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
388 // Might indicate that we are done.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
389 break;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
390 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
391
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
392 if (bytesAvailable > maxSize) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
393 DEBUG << "File to large";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
394 retval = false;
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
395 err = ERROR_INVALID_DATA;
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
396 break;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
397 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
398
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
399 if (!WinHttpReadData(hRequest, (LPVOID)outBuf,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
400 sizeof(outBuf), &bytesRead)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
401 DEBUG << "Error reading data";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
402 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
403 break;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
404 } else {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
405 if (bytesRead) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
406 // Write data to file.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
407 if (outputFile.write(outBuf, bytesRead) !=
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
408 bytesRead) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
409 err = GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
410 DEBUG << "Error writing to file.";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
411 retval = false;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
412 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
413 // Completed a read / write cycle. If not error follows
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
414 // the download was successful.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
415 retval = true;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
416 } else {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
417 // Should not happen as we queried for available
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
418 // bytes before and the function did not return an
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
419 // error.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
420 DEBUG << "Unable to read available data";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
421 retval = false;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
422 break;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
423 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
424 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
425 totalDownloaded += bytesRead;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
426
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
427 if (totalDownloaded > maxSize) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
428 DEBUG << "Downloaded too much data. Breaking.";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
429 retval = false;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
430 break;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
431 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
432 } while (bytesAvailable > 0);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
433
20
fec1a610d43f Mark usage of goto with TODOs to remove them
Andre Heinecke <aheinecke@intevation.de>
parents: 18
diff changeset
434 // TODO remove and replace with a smart handle
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
435 cleanup:
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
436
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
437 if (retval && outputFile.isOpen()) {
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
438 // Actually save the file to disk / move to homedir
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
439 retval = outputFile.commit();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
440 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
441
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
442 if (hRequest) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
443 WinHttpCloseHandle(hRequest);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
444 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
445
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
446 // Close handle might overwrite the last error.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
447 SetLastError(err);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
448 return retval;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
449 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
450
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
451 void Downloader::run() {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
452 bool results = false;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
453 HINTERNET hSession = NULL,
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
454 hConnect = NULL;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
455 wchar_t wUrl[mUrl.size() + 1];
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
456 QDateTime lastModifiedSoftware;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
457 QDateTime lastModifiedList;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
458
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
459 int rc = 0;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
460
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
461 memset(wUrl, 0, sizeof (wchar_t) * (mUrl.size() + 1));
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
462
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
463 rc = mUrl.toWCharArray(wUrl);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
464
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
465 if (rc != mUrl.size()) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
466 DEBUG << "Problem converting to wchar array";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
467 return;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
468 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
469
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
470 // Should not be necessary because we initialized the memory
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
471 wUrl[rc] = '\0';
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
472
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
473 // Initialize connection
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
474 if (!openSession(&hSession)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
475 DEBUG << "Failed to open session: " << getLastErrorMsg();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
476 return;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
477 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
478 if (!initializeConnection(hSession, &hConnect, wUrl)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
479 DEBUG << "Failed to initialize connection: " << getLastErrorMsg();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
480 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
481 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
482
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
483
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
484 lastModifiedSoftware = getLastModifiedHeader(hSession, hConnect,
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
485 L""SW_RESOURCE);
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
486
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
487 lastModifiedList = getLastModifiedHeader(hSession, hConnect,
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
488 L""LIST_RESOURCE);
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
489
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
490 if (!lastModifiedList.isValid() || !lastModifiedSoftware.isValid()) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
491 DEBUG << "Could not read headers: " << getLastErrorMsg();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
492 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
493 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
494
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
495 if (!mLastModSW.isValid() || lastModifiedSoftware > mLastModSW) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
496 QString dataDirectory = getDataDirectory();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
497
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
498 if (dataDirectory.isEmpty()) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
499 DEBUG << "Failed to get data directory";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
500 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
501 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
502
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
503 QString fileName = dataDirectory.append("/SW-")
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
504 .append(lastModifiedSoftware.toString("yyyymmddHHmmss"))
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
505 .append(".exe");
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
506
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
507 DEBUG << "fileName: " << fileName;
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
508
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
509 if (!downloadFile(hSession, hConnect, L""SW_RESOURCE,
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
510 fileName, MAX_SW_SIZE)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
511 DEBUG << "Error downloading File: " << getLastErrorMsg();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
512 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
513 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
514
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
515 emit newSoftwareAvailable(fileName, lastModifiedSoftware);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
516 } else if (!mLastModList.isValid() || lastModifiedList > mLastModList) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
517 QString dataDirectory = getDataDirectory();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
518
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
519 if (dataDirectory.isEmpty()) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
520 DEBUG << "Failed to get data directory";
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
521 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
522 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
523
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
524 QString fileName = dataDirectory.append("/list-")
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
525 .append(lastModifiedSoftware.toString("yyyymmddHHmmss"))
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
526 .append(".txt");
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
527
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
528 DEBUG << "fileName: " << fileName;
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
529
17
c12825a651ed Read out content-length and use this to skip existing files
Andre Heinecke <aheinecke@intevation.de>
parents: 15
diff changeset
530 if (!downloadFile(hSession, hConnect, L""LIST_RESOURCE,
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
531 fileName, MAX_LIST_SIZE)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
532 DEBUG << "Error downloading File: " << getLastErrorMsg();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
533 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
534 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
535
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
536 emit newListAvailable(fileName, lastModifiedList);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
537 }
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
538
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
539 DEBUG << "SW date: " << lastModifiedSoftware;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
540 DEBUG << "List date: " << lastModifiedList;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
541
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
542 /*if (!WinHttpQueryDataAvailable(hRequest, &dataAvaiable)) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
543 DEBUG << "Failed to query data Available: " << getLastErrorMsg();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
544 goto cleanup;
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
545 }*/
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
546
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
547 if (!results) {
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
548 // Report any errors.
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
549 DEBUG << "Error" << GetLastError();
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
550 emit error(tr("Unknown Problem when connecting"), ErrUnknown);
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
551 }
20
fec1a610d43f Mark usage of goto with TODOs to remove them
Andre Heinecke <aheinecke@intevation.de>
parents: 18
diff changeset
552
fec1a610d43f Mark usage of goto with TODOs to remove them
Andre Heinecke <aheinecke@intevation.de>
parents: 18
diff changeset
553 // TODO remove and replace with a smart handle
15
95e1b6edf2fc Implement more downloader functionality for Windows
Andre Heinecke <aheinecke@intevation.de>
parents: 11
diff changeset
554 cleanup:
11
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
555 if (hConnect) {
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
556 WinHttpCloseHandle(hConnect);
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
557 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
558
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
559 if (hSession) {
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
560 WinHttpCloseHandle(hSession);
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
561 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
562 return;
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
563 }
7e2f14c7aba2 Split up downloader component and further implement it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
564 #endif

http://wald.intevation.org/projects/trustbridge/