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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "gui/storagewizarddialog.h"
#include "gui/gui-manager.h"
#include "gui/message.h"
#include "gui/widget.h"
#include "backends/cloud/cloudmanager.h"
#ifdef USE_SDL_NET
#include "backends/networking/sdl_net/localwebserver.h"
#endif
#include "backends/networking/browser/openurl.h"
#include "common/translation.h"
#include "widgets/edittext.h"
namespace GUI {
enum {
kConnectCmd = 'Cnnt',
kCodeBoxCmd = 'CdBx',
kOpenUrlCmd = 'OpUr'
};
StorageWizardDialog::StorageWizardDialog(uint32 storageId):
Dialog("GlobalOptions_Cloud_ConnectionWizard"), _storageId(storageId), _close(false), _stopServerOnClose(false) {
_backgroundType = GUI::ThemeEngine::kDialogBackgroundPlain;
Common::String headline = Common::String::format(_("%s Storage Connection Wizard"), CloudMan.listStorages()[_storageId].c_str());
new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.Headline", headline);
new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.NavigateLine", _s("Navigate to the following URL:"));
new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.URLLine", getUrl());
StaticTextWidget *returnLine1 = new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.ReturnLine1", _s("Obtain the code from the storage, enter it"));
StaticTextWidget *returnLine2 = new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.ReturnLine2", _s("in the following field and press 'Connect':"));
for (uint32 i = 0; i < CODE_FIELDS; ++i)
_codeWidget[i] = new EditTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.CodeBox" + Common::String::format("%d", i+1), "", 0, kCodeBoxCmd);
_messageWidget = new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.MessageLine", "");
// Buttons
new ButtonWidget(this, "GlobalOptions_Cloud_ConnectionWizard.CancelButton", _("Cancel"), 0, kCloseCmd);
new ButtonWidget(this, "GlobalOptions_Cloud_ConnectionWizard.OpenUrlButton", _("Open URL"), 0, kOpenUrlCmd);
_connectWidget = new ButtonWidget(this, "GlobalOptions_Cloud_ConnectionWizard.ConnectButton", _("Connect"), 0, kConnectCmd);
#ifdef USE_SDL_NET
// hide fields and even the button if local webserver is on
returnLine1->setLabel(_s("You would be navigated to ScummVM's page"));
returnLine2->setLabel(_s("when you'd allow it to use your storage."));
for (uint32 i = 0; i < CODE_FIELDS; ++i)
_codeWidget[i]->setVisible(false);
_messageWidget->setVisible(false);
_connectWidget->setVisible(false);
#endif
}
void StorageWizardDialog::open() {
Dialog::open();
if (CloudMan.isWorking()) {
bool doClose = true;
MessageDialog alert(_("The other Storage is working. Do you want to interrupt it?"), _("Yes"), _("No"));
if (alert.runModal() == GUI::kMessageOK) {
if (CloudMan.isDownloading()) CloudMan.cancelDownload();
if (CloudMan.isSyncing()) CloudMan.cancelSync();
// I believe it still would return `true` here, but just in case
if (CloudMan.isWorking()) {
MessageDialog alert2(_("Wait until current Storage finishes up and try again."));
alert2.runModal();
} else
doClose = false;
}
if (doClose) {
close();
return;
}
}
#ifdef USE_SDL_NET
_stopServerOnClose = !LocalServer.isRunning();
LocalServer.start();
LocalServer.indexPageHandler().setTarget(this);
#endif
}
void StorageWizardDialog::close() {
#ifdef USE_SDL_NET
if (_stopServerOnClose) LocalServer.stopOnIdle();
LocalServer.indexPageHandler().setTarget(nullptr);
#endif
Dialog::close();
}
void StorageWizardDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
switch (cmd) {
case kCodeBoxCmd: {
Common::String code, message;
uint32 correctFields = 0;
for (uint32 i = 0; i < CODE_FIELDS; ++i) {
Common::String subcode = _codeWidget[i]->getEditString();
if (subcode.size() == 0) {
++correctFields;
continue;
}
bool correct = correctChecksum(subcode);
if (correct) {
code += subcode;
code.deleteLastChar();
++correctFields;
} else {
if (i == correctFields) { //first incorrect field
message += Common::String::format("#%d", i + 1);
} else {
message += Common::String::format(", #%d", i + 1);
}
}
}
if (message.size() > 0) {
Common::String messageTemplate;
if (CODE_FIELDS - correctFields == 1) messageTemplate = _("Field %s has a mistake in it.");
else messageTemplate = _("Fields %s have mistakes in them.");
message = Common::String::format(messageTemplate.c_str(), message.c_str());
}
bool ok = false;
if (correctFields == CODE_FIELDS && code.size() > 0) {
//the last 3 chars must be an encoded crc16
if (code.size() > 3) {
uint32 size = code.size();
uint32 gotcrc = decodeHashchar(code[size-3]) | (decodeHashchar(code[size-2]) << 6) | (decodeHashchar(code[size-1]) << 12);
code.erase(size - 3);
uint32 crc = crc16(code);
ok = (crc == gotcrc);
}
if (ok) message = _("All OK!");
else message = _("Invalid code");
}
_connectWidget->setEnabled(ok);
_messageWidget->setLabel(message);
break;
}
case kOpenUrlCmd: {
if (!Networking::Browser::openUrl(getUrl())) {
MessageDialog alert(_("Failed to open URL!\nYou should navigate there manually then."));
alert.runModal();
}
break;
}
case kConnectCmd: {
Common::String code;
for (uint32 i = 0; i < CODE_FIELDS; ++i) {
Common::String subcode = _codeWidget[i]->getEditString();
if (subcode.size() == 0) continue;
code += subcode;
code.deleteLastChar();
}
code.erase(code.size() - 3);
CloudMan.connectStorage(_storageId, code);
setResult(1);
close();
break;
}
#ifdef USE_SDL_NET
case kStorageCodePassedCmd:
CloudMan.connectStorage(_storageId, LocalServer.indexPageHandler().code());
_close = true;
break;
#endif
default:
Dialog::handleCommand(sender, cmd, data);
}
}
void StorageWizardDialog::handleTickle() {
if (_close) {
setResult(1);
close();
}
Dialog::handleTickle();
}
Common::String StorageWizardDialog::getUrl() const {
Common::String url = "https://www.scummvm.org/c/";
switch (_storageId) {
case Cloud::kStorageDropboxId: url += "db"; break;
case Cloud::kStorageOneDriveId: url += "od"; break;
case Cloud::kStorageGoogleDriveId: url += "gd"; break;
case Cloud::kStorageBoxId: url += "bx"; break;
}
#ifdef USE_SDL_NET
url += "s";
#endif
return url;
}
int StorageWizardDialog::decodeHashchar(char c) {
const char HASHCHARS[65] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ?!";
for (uint32 i = 0; i < 64; ++i)
if (c == HASHCHARS[i])
return i;
return -1;
}
bool StorageWizardDialog::correctChecksum(Common::String s) {
if (s.size() == 0) return false; //no last char
int providedChecksum = decodeHashchar(s.lastChar());
int calculatedChecksum = 0x2A; //any initial value would do, but it must equal to the one used on the page where these checksums were generated
for (uint32 i = 0; i < s.size()-1; ++i) {
calculatedChecksum = calculatedChecksum ^ s[i];
}
return providedChecksum == (calculatedChecksum % 64);
}
uint32 StorageWizardDialog::crc16(Common::String s) { //"CRC16_CCITT_FALSE"
uint32 crc = 0xFFFF, x;
for (uint32 i = 0; i < s.size(); ++i) {
x = ((crc >> 8) ^ s[i]) & 0xFF;
x ^= x >> 4;
crc = ((crc << 8) ^ (x << 12) ^ (x << 5) ^ x) & 0xFFFF;
}
return crc;
}
} // End of namespace GUI
|
