1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#include "check_version.h"
#include <wx/msgdlg.h>
#include <wx/protocol/http.h>
#include <wx/sstream.h>
#include "../version/version.h"
#include <wx/utils.h>
#include <wx/timer.h>
#include <string_tools.h>
#include "msg_popup.h"
#include "../shared/standard_paths.h"
#include <wx/tokenzr.h>
#include "../shared/i18n.h"
class CloseConnectionOnExit
{
public:
CloseConnectionOnExit(wxInputStream* httpStream, wxHTTP& webAccess) :
m_httpStream(httpStream),
m_webAccess(webAccess) {}
~CloseConnectionOnExit()
{
delete m_httpStream; //must be deleted BEFORE webAccess is closed
m_webAccess.Close();
}
private:
wxInputStream* m_httpStream;
wxHTTP& m_webAccess;
};
bool getOnlineVersion(wxString& version)
{
wxHTTP webAccess;
wxInputStream* httpStream = NULL;
wxWindowDisabler dummy;
CloseConnectionOnExit dummy2(httpStream, webAccess);
webAccess.SetHeader(wxT("Content-type"), wxT("text/html; charset=utf-8"));
webAccess.SetTimeout(5); //5 seconds of timeout instead of 10 minutes...
if (webAccess.Connect(wxT("freefilesync.cvs.sourceforge.net"))) //only the server, no pages here yet...
{
//wxApp::IsMainLoopRunning(); // should return true
httpStream = webAccess.GetInputStream(wxT("/viewvc/freefilesync/version/version.txt"));
if (httpStream && webAccess.GetError() == wxPROTO_NOERR)
{
wxString newestVersion;
wxStringOutputStream out_stream(&newestVersion);
httpStream->Read(out_stream);
if (!newestVersion.empty())
{
version = newestVersion;
return true;
}
}
}
return false;
}
const wxChar VERSION_SEP = wxT('.');
std::vector<size_t> parseVersion(const wxString& version)
{
std::vector<size_t> output;
wxStringTokenizer tkz(version, VERSION_SEP, wxTOKEN_RET_EMPTY);
while (tkz.HasMoreTokens())
{
const wxString& token = tkz.GetNextToken();
output.push_back(zen::toNumber<size_t>(token));
}
return output;
}
bool newerVersionExists(const wxString& onlineVersion)
{
std::vector<size_t> current = parseVersion(zen::currentVersion);
std::vector<size_t> online = parseVersion(onlineVersion);
if (online.empty() || online[0] == 0) //onlineVersion may be "This website has been moved..." In this case better check for an update
return true;
return std::lexicographical_compare(current.begin(), current.end(),
online.begin(), online.end());
}
void zen::checkForUpdateNow()
{
wxString onlineVersion;
if (!getOnlineVersion(onlineVersion))
{
wxMessageBox(_("Unable to connect to sourceforge.net!"), _("Error"), wxOK | wxICON_ERROR);
return;
}
if (newerVersionExists(onlineVersion))
{
const int rv = wxMessageBox(wxString(_("A newer version of FreeFileSync is available:")) + wxT(" v") + onlineVersion + wxT(". ") + _("Download now?"), _("Information"), wxYES_NO | wxICON_QUESTION);
if (rv == wxYES)
wxLaunchDefaultBrowser(wxT("http://sourceforge.net/projects/freefilesync/files/"));
}
else
wxMessageBox(_("FreeFileSync is up to date!"), _("Information"), wxICON_INFORMATION);
}
void zen::checkForUpdatePeriodically(long& lastUpdateCheck)
{
#ifdef FFS_LINUX
if (!zen::isPortableVersion()) //don't check for updates in installer version -> else: handled by .deb
return;
#endif
if (lastUpdateCheck != -1)
{
if (lastUpdateCheck == 0)
{
const bool checkRegularly = showQuestionDlg(ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_NO,
wxString(_("Do you want FreeFileSync to automatically check for updates every week?")) + wxT("\n") +
_("(Requires an Internet connection!)")) == ReturnQuestionDlg::BUTTON_YES;
if (checkRegularly)
{
lastUpdateCheck = 123; //some old date (few seconds after 1970)
checkForUpdatePeriodically(lastUpdateCheck); //check for updates now
}
else
lastUpdateCheck = -1; //don't check for updates anymore
}
else if (wxGetLocalTime() >= lastUpdateCheck + 7 * 24 * 3600) //check weekly
{
wxString onlineVersion;
if (!getOnlineVersion(onlineVersion))
return; //do not handle error
lastUpdateCheck = wxGetLocalTime();
if (newerVersionExists(onlineVersion))
{
const int rv = wxMessageBox(wxString(_("A newer version of FreeFileSync is available:")) + wxT(" v") + onlineVersion + wxT(". ") + _("Download now?"), _("Information"), wxYES_NO | wxICON_QUESTION);
if (rv == wxYES)
wxLaunchDefaultBrowser(wxT("http://sourceforge.net/projects/freefilesync/files/"));
}
}
}
}
|
