trustbridge: ui/downloader

annotate ui/downloader_win.cpp @ 20:fec1a610d43f

Mark usage of goto with TODOs to remove them

author	Andre Heinecke <aheinecke@intevation.de>
date	Thu, 20 Feb 2014 10:57:20 +0000
parents	f4f957c58e0a
children	7d07d261b003

rev	line source
11 7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	1 /**
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	2 * @file downloader_win.cpp
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	3 * @brief Downloader implementation for Windows
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	4 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	5 * We use Windows API here instead of Qt because we want to avoid
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	6 * QtNetworks SSL stack which is based on OpenSSL and so
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	7 * we might be incompatible with GPL code. Also using the
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	8 * native API means that the security of the SSL implementation
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	9 * is tied to the security of the system.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	10 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	11 */
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	12 #include "downloader.h"
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	13 #ifdef Q_OS_WIN
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	14 #ifndef MYVERSION
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	15 #define MYVERSION "1"
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	16 #endif
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	17
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	18 #include <windows.h>
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	19 #include <winhttp.h>
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	20
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	21 #include <QDebug>
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	22 #include <QDateTime>
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	23 #include <QSaveFile>
17 c12825a651ed Read out content-length and use this to skip existing files Andre Heinecke <aheinecke@intevation.de> parents: 15 diff changeset	24 #include <QFileInfo>
11 7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	25
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	26 #define DEBUG if (1) qDebug() << __PRETTY_FUNCTION__
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	27
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	28 #define MAX_SW_SIZE 10485760
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	29 #define MAX_LIST_SIZE 1048576
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	30
17 c12825a651ed Read out content-length and use this to skip existing files Andre Heinecke <aheinecke@intevation.de> parents: 15 diff changeset	31
c12825a651ed Read out content-length and use this to skip existing files Andre Heinecke <aheinecke@intevation.de> parents: 15 diff changeset	32 #define LIST_RESOURCE "/incoming/aheinecke/test"
c12825a651ed Read out content-length and use this to skip existing files Andre Heinecke <aheinecke@intevation.de> parents: 15 diff changeset	33 #define SW_RESOURCE "/incoming/aheinecke/test"
c12825a651ed Read out content-length and use this to skip existing files Andre Heinecke <aheinecke@intevation.de> parents: 15 diff changeset	34
c12825a651ed Read out content-length and use this to skip existing files Andre Heinecke <aheinecke@intevation.de> parents: 15 diff changeset	35
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	36 /** @brief Qt wrapper around FormatMessage
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	37 *
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	38 * @returns The error message of the error that occurred
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	39 */
11 7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	40 const QString getLastErrorMsg() {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	41 LPWSTR bufPtr = NULL;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	42 DWORD err = GetLastError();
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	43 FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER \|
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	44 FORMAT_MESSAGE_FROM_SYSTEM \|
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	45 FORMAT_MESSAGE_IGNORE_INSERTS,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	46 NULL, err, 0, (LPWSTR)&bufPtr, 0, NULL);
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	47 if (!bufPtr) {
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	48 HMODULE hWinhttp = GetModuleHandleW(L"winhttp");
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	49 if (hWinhttp) {
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	50 FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER \|
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	51 FORMAT_MESSAGE_FROM_HMODULE \|
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	52 FORMAT_MESSAGE_IGNORE_INSERTS,
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	53 hWinhttp, HRESULT_CODE(err), 0,
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	54 (LPWSTR)&bufPtr, 0, NULL);
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	55 }
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	56 }
11 7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	57 const QString result =
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	58 (bufPtr) ? QString::fromUtf16((const ushort*)bufPtr).trimmed() :
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	59 QString("Unknown Error %1").arg(err);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	60 LocalFree(bufPtr);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	61 return result;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	62 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	63
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	64
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	65 /** @brief open a session with appropriate proxy settings
11 7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	66 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	67 * @param[inout] *pHSession pointer to a HInternet structure
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	68 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	69 * On error call getLastError to get extended error information.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	70 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	71 * @returns True on success, false on error.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	72 */
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	73
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	74
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	75 bool openSession(HINTERNET *pHSession)
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	76 {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	77 WINHTTP_CURRENT_USER_IE_PROXY_CONFIG proxyConfig;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	78
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	79 DEBUG;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	80 if (!pHSession) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	81 SetLastError(ERROR_INVALID_PARAMETER);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	82 return false;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	83 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	84
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	85 memset(&proxyConfig, 0, sizeof (WINHTTP_CURRENT_USER_IE_PROXY_CONFIG));
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	86
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	87 if (WinHttpGetIEProxyConfigForCurrentUser(&proxyConfig)) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	88 if (proxyConfig.fAutoDetect) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	89 // TODO Handle this
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	90 qDebug() << "Autodetect is set";
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	91 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	92
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	93 if (proxyConfig.lpszProxy \|\| proxyConfig.lpszProxyBypass) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	94 DEBUG << "Using proxies.";
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	95 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	96
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	97 if (proxyConfig.lpszProxy) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	98 *pHSession = WinHttpOpen(L"M13 "MYVERSION,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	99 WINHTTP_ACCESS_TYPE_NAMED_PROXY,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	100 proxyConfig.lpszProxy,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	101 proxyConfig.lpszProxyBypass, 0);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	102 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	103 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	104
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	105 if (!*pHSession) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	106 DEBUG << "No IE Proxy falling back to default proxy";
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	107 *pHSession = WinHttpOpen(L"M13 "MYVERSION,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	108 WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	109 WINHTTP_NO_PROXY_NAME,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	110 WINHTTP_NO_PROXY_BYPASS, 0);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	111 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	112 // Cleanup
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	113 if (proxyConfig.lpszAutoConfigUrl) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	114 GlobalFree(proxyConfig.lpszAutoConfigUrl);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	115 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	116
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	117 if (proxyConfig.lpszProxy) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	118 GlobalFree(proxyConfig.lpszProxy);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	119 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	120
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	121 if (proxyConfig.lpszProxyBypass) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	122 GlobalFree(proxyConfig.lpszProxyBypass);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	123 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	124 return *pHSession;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	125 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	126
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	127
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	128 /** @brief initialize a connection in the session
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	129 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	130 * @param[in] HSession the session to work in.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	131 * @param[inout] *pHConnect pointer to the connection.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	132 * @param[in] url pointer to the URL in wchar representation.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	133 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	134 * On error call getLastError to get extended error information.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	135 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	136 * @returns True on success, false on error.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	137 */
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	138 bool initializeConnection(HINTERNET hSession, HINTERNET *pHConnect,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	139 LPCWSTR url)
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	140 {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	141 DEBUG;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	142 if (!hSession \|\| !pHConnect) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	143 SetLastError(ERROR_INVALID_PARAMETER);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	144 return false;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	145 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	146 // Initialize connection. No request is done here.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	147 *pHConnect = WinHttpConnect(hSession, url,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	148 INTERNET_DEFAULT_HTTPS_PORT, 0);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	149
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	150 return *pHConnect;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	151 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	152
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	153 /** @brief Create a request
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	154 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	155 * @param[in] HSession the session to work in.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	156 * @param[in] HConnect the connection to use.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	157 * @param[inout] *pHRequest pointer to the request structure to be filled.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	158 * @param[in] requestType the HTTP request to be made default is GET
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	159 * @param[in] resource pointer to the resource to request in wchar
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	160 * representation.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	161 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	162 * On error call getLastError to get extended error information.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	163 * This function still does not do any networking but only initializes
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	164 * it.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	165 *
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	166 * @returns True on success, false on error.
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	167 */
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	168
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	169 bool createRequest(HINTERNET hSession, HINTERNET hConnect,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	170 HINTERNET *pHRequest, LPCWSTR requestType, LPCWSTR resource)
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	171 {
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	172 DWORD dwSSLFlag;
11 7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	173 DEBUG;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	174 if (!hSession \|\| !hConnect \|\| !pHRequest) {
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	175 SetLastError(ERROR_INVALID_PARAMETER);
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	176 return false;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	177 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	178
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	179 *pHRequest = WinHttpOpenRequest(hConnect, requestType, resource,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	180 NULL, WINHTTP_NO_REFERER,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	181 WINHTTP_DEFAULT_ACCEPT_TYPES,
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	182 WINHTTP_FLAG_SECURE);
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	183
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	184 dwSSLFlag = SECURITY_FLAG_IGNORE_UNKNOWN_CA;
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	185 dwSSLFlag \|= SECURITY_FLAG_IGNORE_CERT_DATE_INVALID;
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	186 dwSSLFlag \|= SECURITY_FLAG_IGNORE_CERT_CN_INVALID;
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	187 dwSSLFlag \|= SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE;
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	188
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	189 WinHttpSetOption(*pHRequest, WINHTTP_OPTION_SECURITY_FLAGS,
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	190 &dwSSLFlag, sizeof(dwSSLFlag));
95e1b6edf2fc Implement more downloader functionality for Windows 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;
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	193 }
7e2f14c7aba2 Split up downloader component and further implement it Andre Heinecke <aheinecke@intevation.de> parents: diff changeset	194
15 95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	195 bool Downloader::verifyCertificate(HINTERNET hRequest)
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	196 {
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	197 CERT_CONTEXT *certContext = NULL;
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	198 DWORD certContextLen = sizeof(CERT_CONTEXT);
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> parents: 11 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 Andre Heinecke <aheinecke@intevation.de> parents: 11 diff changeset	201 if (!WinHttpQueryOption(hRequest,
95e1b6edf2fc Implement more downloader functionality for Windows Andre Heinecke <aheinecke@intevation.de> 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> parents: 11 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> parents: 11 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> parents: 11 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

Mercurial > trustbridge

annotate ui/downloader_win.cpp @ 20:fec1a610d43f