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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
// **************************************************************************
// * 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) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#include "check_version.h"
#include <memory>
#include <zen/string_tools.h>
#include <zen/i18n.h>
#include <wx/msgdlg.h>
#include <wx/protocol/http.h>
#include <wx/sstream.h>
#include <wx/utils.h>
#include <wx/timer.h>
#include "msg_popup.h"
#include "../version/version.h"
#include "../lib/ffs_paths.h"
using namespace zen;
namespace
{
enum GetVerResult
{
GET_VER_SUCCESS,
GET_VER_NO_CONNECTION, //no internet connection?
GET_VER_PAGE_NOT_FOUND //version file seems to have moved! => trigger an update!
};
GetVerResult getOnlineVersion(wxString& version) //empty string on error;
{
wxWindowDisabler dummy;
wxHTTP webAccess;
webAccess.SetHeader(L"content-type", L"text/html; charset=utf-8");
webAccess.SetTimeout(5); //5 seconds of timeout instead of 10 minutes(WTF are they thinking???)...
if (webAccess.Connect(L"freefilesync.sourceforge.net")) //only the server, no pages here yet...
{
//wxApp::IsMainLoopRunning(); // should return true
std::unique_ptr<wxInputStream> httpStream(webAccess.GetInputStream(L"/latest_version.txt"));
//must be deleted BEFORE webAccess is closed
if (httpStream && webAccess.GetError() == wxPROTO_NOERR)
{
wxString tmp;
wxStringOutputStream outStream(&tmp);
httpStream->Read(outStream);
version = tmp;
return GET_VER_SUCCESS;
}
else
return GET_VER_PAGE_NOT_FOUND;
}
else //check if sourceforge in general is reachable
{
webAccess.SetTimeout(1);
return webAccess.Connect(L"sourceforge.net") ? GET_VER_PAGE_NOT_FOUND : GET_VER_NO_CONNECTION;
}
}
const wchar_t VERSION_SEP = L'.';
std::vector<size_t> parseVersion(const wxString& version)
{
std::vector<wxString> digits = split(version, VERSION_SEP);
std::vector<size_t> output;
std::transform(digits.begin(), digits.end(), std::back_inserter(output), [&](const wxString& d) { return stringTo<size_t>(d); });
return output;
}
bool haveNewerVersion(const wxString& onlineVersion)
{
std::vector<size_t> current = parseVersion(zen::currentVersion);
std::vector<size_t> online = parseVersion(onlineVersion);
if (online.empty() || online[0] == 0) //online version 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(wxWindow* parent)
{
wxString onlineVersion;
switch (getOnlineVersion(onlineVersion))
{
case GET_VER_SUCCESS:
if (haveNewerVersion(onlineVersion))
{
if (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_CANCEL,
_("A new version of FreeFileSync is available:") + L" " + onlineVersion + L"\n\n" + _("Download now?")) == ReturnQuestionDlg::BUTTON_YES)
wxLaunchDefaultBrowser(L"http://sourceforge.net/projects/freefilesync/files/freefilesync/v" + onlineVersion + L"/");
}
else
wxMessageBox(_("FreeFileSync is up to date!"), _("Information"), wxICON_INFORMATION, parent);
break;
case GET_VER_NO_CONNECTION:
wxMessageBox(_("Unable to connect to sourceforge.net!"), _("Error"), wxOK | wxICON_ERROR, parent);
break;
case GET_VER_PAGE_NOT_FOUND:
if (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_CANCEL,
_("Current FreeFileSync version number was not found online! Do you want to check manually?")) == ReturnQuestionDlg::BUTTON_YES)
wxLaunchDefaultBrowser(L"http://sourceforge.net/projects/freefilesync/");
break;
}
}
void zen::checkForUpdatePeriodically(wxWindow* parent, long& lastUpdateCheck)
{
#ifdef FFS_LINUX
if (!zen::isPortableVersion()) //don't check for updates in locally installed version -> handled by system updater
return;
#endif
if (lastUpdateCheck != -1)
{
if (lastUpdateCheck == 0)
{
switch (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_NO | ReturnQuestionDlg::BUTTON_CANCEL,
_("Do you want FreeFileSync to automatically check for updates every week?") + L"\n" +
_("(Requires an Internet connection!)")))
{
case ReturnQuestionDlg::BUTTON_YES:
lastUpdateCheck = 123; //some old date (few seconds after 1970) different from 0 and -1
checkForUpdatePeriodically(parent, lastUpdateCheck); //check for updates now
break;
case ReturnQuestionDlg::BUTTON_NO:
lastUpdateCheck = -1; //don't check for updates anymore
break;
case ReturnQuestionDlg::BUTTON_CANCEL:
break;
}
}
else if (wxGetLocalTime() >= lastUpdateCheck + 7 * 24 * 3600) //check weekly
{
wxString onlineVersion;
switch (getOnlineVersion(onlineVersion))
{
case GET_VER_SUCCESS:
lastUpdateCheck = wxGetLocalTime();
if (haveNewerVersion(onlineVersion))
{
if (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_CANCEL,
_("A new version of FreeFileSync is available:") + L" " + onlineVersion + L"\n\n" +
_("Download now?")) == ReturnQuestionDlg::BUTTON_YES)
wxLaunchDefaultBrowser(L"http://sourceforge.net/projects/freefilesync/files/freefilesync/v" + onlineVersion + L"/");
}
break;
case GET_VER_NO_CONNECTION:
break; //ignore this error
case GET_VER_PAGE_NOT_FOUND:
if (showQuestionDlg(parent, ReturnQuestionDlg::BUTTON_YES | ReturnQuestionDlg::BUTTON_CANCEL,
_("Current FreeFileSync version number was not found online! Do you want to check manually?")) == ReturnQuestionDlg::BUTTON_YES)
wxLaunchDefaultBrowser(L"http://sourceforge.net/projects/freefilesync/");
break;
}
}
}
}
|
