-
Notifications
You must be signed in to change notification settings - Fork 0
/
Ftp.cpp
4206 lines (3424 loc) · 106 KB
/
Ftp.cpp
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
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// ftp.cpp: implementation of the CFtpDoc, CFtpView, and CFtpWnd classes
//
#include "stdafx.h"
#include "inetnav.h"
#include "dialogs.h"
#include "ftp.h"
#include <stdio.h>
#include "propshts.h"
#include "mainfrm.h"
#include "statbar.h"
#include <shellapi.h>
#include <math.h>
#include <stdlib.h>
#include "appd.h"
#include <direct.h>
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CFtpDoc
IMPLEMENT_DYNCREATE(CFtpDoc, CDocument)
BEGIN_MESSAGE_MAP(CFtpDoc, CDocument)
//{{AFX_MSG_MAP(CFtpDoc)
ON_UPDATE_COMMAND_UI(ID_FILE_SAVE, OnUpdateFileSave)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CFtpDoc construction/destruction
CFtpDoc::CFtpDoc()
{
//{{AFX_DATA_INIT(CFtpDoc)
m_strSiteName = "";
m_strUserID = "";
m_strPassword = "";
//}}AFX_DATA_INIT
m_bEmergencyClose = FALSE;
m_pApp = (CInternetNavApp*)AfxGetApp();
m_bFTPAutoConnect = FALSE;
}
/*
//{{AFX_DATA_MAP(CFtpDoc)
//}}AFX_DATA_MAP
*/
CFtpDoc::~CFtpDoc()
{
m_strSiteName = m_strUserID = m_strPassword = "";
}
BOOL CFtpDoc::OnNewDocument()
{
CInternetNavApp* pApp = (CInternetNavApp*)AfxGetApp();
if (!pApp->IsOnline())
{
AfxMessageBox(IDP_INETNAV_SIGN_ON);
return FALSE;
}
if (!CDocument::OnNewDocument())
return FALSE;
// Set this document's title to "FTP Client", so that
// something better than "Download Files1" appears on the frame
// window's title bar
SetTitle("FTP Client");
m_strSiteName = m_strUserID = m_strPassword = "";
// Get the site address to open and whether or not to use anonymous
// FTP from the user with a dialog
COpenFtpSite theDialog(AfxGetMainWnd());
if (theDialog.DoModal() == IDOK)
{
if (theDialog.m_bUseAnonFTP)
{
if (theDialog.m_strSite != "pweb.netcom.com")
{
m_strUserID = "anonymous";
m_strPassword = m_pApp->GetProfileString("Default Mailbox",
"MailboxAddress");
}
else
{
// Anonymous access to pweb.netcom.com is not allowed
m_strUserID = "";
m_strPassword = "";
}
}
m_strSiteName = theDialog.m_strSite;
m_bFTPAutoConnect = TRUE;
SetModifiedFlag(TRUE);
}
else // user pressed the Cancel button in the dialog.
{
// Don't go any further -- the user doesn't want to enter the
// FTP Browser area
m_bFTPAutoConnect = FALSE;
return FALSE;
}
SetPathName("somesite.ftp", FALSE); // set path name so file save works
m_strPathTitle = "FTP Browser";
return TRUE;
}
BOOL CFtpDoc::OnOpenDocument(const char* pszPathName)
{
CInternetNavApp* pApp = (CInternetNavApp*)AfxGetApp();
if (!pApp->IsOnline())
{
MessageBeep(-1);
AfxMessageBox(IDP_INETNAV_SIGN_ON, MB_OK|MB_ICONSTOP);
return FALSE;
}
if (!CDocument::OnOpenDocument(pszPathName))
{
MessageBeep(-1);
AfxMessageBox(AFX_IDP_FAILED_TO_OPEN_DOC);
return FALSE;
}
return TRUE;
}
BOOL CFtpDoc::OnSaveDocument(const char* pszPathName)
{
return CDocument::OnSaveDocument(pszPathName);
}
BOOL CFtpDoc::SaveModified()
{
if (!IsModified())
return TRUE; // ok to continue
CString strName = "the FTP connection information";
CString prompt = "";
AfxFormatString1(prompt, AFX_IDP_ASK_TO_SAVE, strName);
if (!m_bEmergencyClose)
{
switch (AfxMessageBox(prompt, MB_YESNOCANCEL|MB_ICONQUESTION,
AFX_IDP_ASK_TO_SAVE))
{
case IDCANCEL:
return FALSE; // don't continue
case IDYES:
// If so, either Save or Update, as appropriate
CDocument::OnFileSave();
break;
case IDNO:
// If not saving changes, revert the document
break;
default:
ASSERT(FALSE);
break;
}
}
else if (m_bEmergencyClose)
{
m_bEmergencyClose = FALSE;
switch (AfxMessageBox(prompt, MB_YESNO|MB_ICONQUESTION,
AFX_IDP_ASK_TO_SAVE))
{
case IDYES:
// If so, either Save or Update, as appropriate
CDocument::OnFileSave();
break;
case IDNO:
// If not saving changes, revert the document
break;
default:
ASSERT(FALSE);
break;
}
}
return TRUE; // keep going
}
void CFtpDoc::SetPathName(const char* pszPathName, BOOL bAddToMRU)
{
m_strPathName = pszPathName;
ASSERT(!m_strPathName.IsEmpty()); // must be set to something
if (bAddToMRU)
AfxGetApp()->AddToRecentFileList(pszPathName);
return;
}
void CFtpDoc::SetTitle(const char* pszTitle, BOOL bFTPDir /*= FALSE*/)
{
CString strTitle = "FTP Browser";
if (m_strSiteName.IsEmpty())
{
m_strTitle = strTitle;
UpdateFrameCounts();
return;
}
else if (!m_strSiteName.IsEmpty() && bFTPDir == FALSE)
{
m_strTitle = GetSiteName();
m_strTitle = GetSiteName();
m_strTitle = m_strSiteName;
m_strTitle = m_strSiteName;
UpdateFrameCounts();
return;
}
else if (!m_strSiteName.IsEmpty() && bFTPDir == TRUE)
{
// directory name is in pszTitle
m_strTitle = m_strSiteName + ":";
m_strTitle += pszTitle;
UpdateFrameCounts();
return;
}
}
/////////////////////////////////////////////////////////////////////////////
// CFtpDoc data handling: serialization to/from a file, and deleting data
void CFtpDoc::Serialize(CArchive& ar)
{
// This function is called to store and load to/from a disk file the
// document's data, which are the site name, the user's ID, and the
// user's password.
if (ar.IsStoring())
{
// save the data to the archive with the << operator
ar << m_strSiteName;
ar << m_strUserID;
ar << m_strPassword;
}
else
{
// load the data from the archive with the >> operator
ar >> m_strSiteName;
ar >> m_strUserID;
ar >> m_strPassword;
}
}
void CFtpDoc::DeleteContents()
{
// This function is called to delete the document data, which are the
// site name, the user's ID, and the user's password
m_strSiteName.Empty();
m_strUserID.Empty();
m_strPassword.Empty();
m_bEmergencyClose = FALSE;
return;
}
/////////////////////////////////////////////////////////////////////////////
// CFtpDoc diagnostics
#ifdef _DEBUG
void CFtpDoc::AssertValid() const
{
CDocument::AssertValid();
}
void CFtpDoc::Dump(CDumpContext& dc) const
{
CDocument::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CFtpDoc commands
void CFtpDoc::OnUpdateFileSave(CCmdUI* pCmdUI)
{
// Enable the File Save command only if our data has been changed
// by the user
pCmdUI->Enable(IsModified());
}
void CFtpDoc::OnToolsFileManager()
{
// Run the Windows File Manager, WINFILE.EXE, in a maximized window
CInternetNavApp* pApp = (CInternetNavApp*)AfxGetApp();
if (!pApp->IsWindows95())
pApp->m_pStatusBar->SetText("Opening File Manager... Please wait.");
else
pApp->m_pStatusBar->SetText("Opening Windows Explorer... Please wait.");
if (!pApp->IsWindows95())
::WinExec("WINFILE.EXE", SW_SHOWMAXIMIZED);
else // open the Windows Explorer
::WinExec("EXPLORE.EXE", SW_SHOWMAXIMIZED);
pApp->m_pStatusBar->ShowIdleMessage();
return;
}
/////////////////////////////////////////////////////////////////////////////
// CFtpView
IMPLEMENT_DYNCREATE(CFtpView, CFormView)
BEGIN_MESSAGE_MAP(CFtpView, CFormView)
//{{AFX_MSG_MAP(CFtpView)
ON_LBN_DBLCLK(IDC_FILES, OnDblclkFiles)
ON_LBN_SELCHANGE(IDC_FILES, OnSelchangeFiles)
ON_BN_CLICKED(IDC_HELP, OnClickedHelp)
ON_BN_CLICKED(IDC_CONNECT, OnConnect)
ON_BN_CLICKED(IDC_DISCONNECT, OnDisconnect)
ON_BN_CLICKED(IDC_GET, OnGet)
ON_BN_CLICKED(IDC_PUT, OnPut)
ON_BN_CLICKED(IDC_CHANGE_DIRECTORY_UP, OnChangeDirectoryUp)
ON_BN_CLICKED(IDC_CHANGE_REMOTE_DIRECTORY, OnChangeRemoteDirectory)
ON_EN_CHANGE(IDC_SITE_NAME, OnEditChange)
ON_COMMAND(ID_WINDOW_REFRESH, OnWindowRefresh)
ON_UPDATE_COMMAND_UI(ID_WINDOW_REFRESH, OnUpdateWindowRefresh)
ON_UPDATE_COMMAND_UI(ID_SITE_CHG_DIR, OnUpdateSiteChgDir)
ON_UPDATE_COMMAND_UI(ID_SITE_CHG_DIR_UP, OnUpdateSiteChgDirUp)
ON_UPDATE_COMMAND_UI(ID_SITE_CONNECT, OnUpdateConnect)
ON_UPDATE_COMMAND_UI(ID_SITE_DISCONNECT, OnUpdateDisconnect)
ON_UPDATE_COMMAND_UI(ID_TRANSFERS_DOWNLOAD, OnUpdateDownload)
ON_UPDATE_COMMAND_UI(ID_TRANSFERS_UPLOAD, OnUpdateUpload)
ON_COMMAND(ID_WINDOW_REMEMBER, OnWindowRemember)
ON_COMMAND(ID_TRANSFERS_LINK, OnTransfersLink)
ON_UPDATE_COMMAND_UI(ID_TRANSFERS_LINK, OnUpdateTransfersLink)
ON_COMMAND(ID_CANCEL_CALL, OnCancelCall)
ON_COMMAND(ID_FTP_VIEW_PROPERTIES, OnViewFtpProperties)
ON_COMMAND(ID_SITE_CHG_USER_DIR, OnSiteChgUserDir)
ON_COMMAND(ID_SITE_DOWNLOAD_FILE, OnDownloadFile)
ON_COMMAND(ID_SITE_CHG_DIR, OnChangeRemoteDirectory)
ON_COMMAND(ID_SITE_CHG_DIR_UP, OnChangeDirectoryUp)
ON_COMMAND(ID_SITE_CONNECT, OnConnect)
ON_COMMAND(ID_SITE_DISCONNECT, OnDisconnect)
ON_COMMAND(ID_TRANSFERS_DOWNLOAD, OnGet)
ON_COMMAND(ID_TRANSFERS_UPLOAD, OnPut)
ON_COMMAND(ID_FILE_DELETE, OnFileDelete)
//}}AFX_MSG_MAP
ON_MESSAGE(WM_SOCKET_RESPONSE, OnControlSocket)
ON_MESSAGE(WM_SOCKET_LISTEN, OnListeningSocket)
ON_MESSAGE(WM_SOCKET_DATA, OnDataSocket)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
static UINT BASED_CODE ftpButtons[] =
{
ID_NEW_TEXT,
ID_FILE_OPEN,
ID_FILE_SAVE,
ID_SEPARATOR,
ID_FILE_NEW,
ID_PLACES_PREFERENCES,
ID_PLACES_HELPINFO,
ID_SEPARATOR,
ID_SITE_CHG_DIR_UP,
ID_SEPARATOR,
ID_TRANSFERS_DOWNLOAD,
ID_SITE_CHG_DIR,
ID_TRANSFERS_LINK,
ID_SEPARATOR,
ID_FILE_PRINT_SETUP,
ID_SEPARATOR,
ID_HELP_INDEX,
ID_CONTEXT_HELP,
ID_SEPARATOR,
ID_TIP_OF_DAY,
};
/////////////////////////////////////////////////////////////////////////////
// CFtpView construction/destruction
CFtpView::CFtpView()
: CFormView(CFtpView::IDD)
{
//{{AFX_DATA_INIT(CFtpView)
m_pDoc = NULL;
m_strSelection = "";
//}}AFX_DATA_INIT
m_strFileName = m_strFilePath = m_strDirectory = m_strFileExt = "";
m_pControlSocket = NULL;
m_pListeningSocket = NULL;
m_pDataSocket = NULL;
m_pUserFile = NULL;
m_bMarkDirty = FALSE;
m_bEnableUp = FALSE;
m_pApp = (CInternetNavApp*)AfxGetApp();
m_pStatusBar = m_pApp->GetMainFrame()->GetStatusBar();
m_nFileSize = m_nBytes = 0;
m_pPercentDialog = NULL;
m_bConnected = FALSE;
m_bNoWelcome = TRUE;
m_bAppClosing = FALSE;
}
CFtpView::~CFtpView()
{
if (m_bConnected)
{
m_bAppClosing = TRUE;
OnDisconnect();
}
// If necessary, destroy the percent gauge dialog box
if (m_pPercentDialog && IsWindow(m_pPercentDialog->GetSafeHwnd()))
{
m_pPercentDialog->ShowWindow(SW_HIDE);
m_pPercentDialog->UpdateWindow();
m_pPercentDialog->DestroyWindow();
}
}
void CFtpView::DoDataExchange(CDataExchange* pDX)
{
CFormView::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CFtpView)
DDX_Control(pDX, IDC_SITE_NAME, m_ctlSiteName);
DDX_Control(pDX, IDC_CONNECT, m_btnConnect);
DDX_Control(pDX, IDC_DISCONNECT, m_btnDisconnect);
DDX_Control(pDX, IDC_HELP, m_btnHelp);
DDX_Control(pDX, IDC_PUT, m_btnPut);
DDX_Control(pDX, IDC_GET, m_btnGet);
DDX_Control(pDX, IDC_FILES, m_ctlFiles);
DDX_Control(pDX, IDC_CHANGE_REMOTE_DIRECTORY, m_btnChgDir);
DDX_Control(pDX, IDC_CHANGE_DIRECTORY_UP, m_btnUp);
DDX_LBString(pDX, IDC_FILES, m_strSelection);
DDX_Text(pDX, IDC_SITE_NAME, m_pDoc->m_strSiteName);
DDV_MaxChars(pDX, m_pDoc->m_strSiteName, 255);
//}}AFX_DATA_MAP
if (pDX->m_bSaveAndValidate)
m_pDoc->UpdateAllViews(this, 0L, NULL);
}
/////////////////////////////////////////////////////////////////////////////
// CFtpView update helper functions
void CFtpView::OnInitialUpdate()
{
// Fill in the pointer which we have to the document
// so we can access the document's data in order to change and
// display it
m_pDoc = GetDocument();
// call base class OnInitialUpdate so we get correct initialization
CFormView::OnInitialUpdate();
if (!m_pDoc->GetSiteName().IsEmpty())
m_pDoc->SetTitle(m_pDoc->m_strPathTitle + ": "
+ m_pDoc->GetSiteName());
else
m_pDoc->SetTitle(m_pDoc->m_strPathTitle);
// Subclass this view's controls with CTL3D.DLL to make it
// look nice
Ctl3dSubclassDlgEx(m_hWnd, CTL3D_ALL);
// Disable all buttons on this form except Connect and Help and Upload
m_btnUp.EnableWindow(FALSE);
m_btnChgDir.EnableWindow(FALSE);
m_btnConnect.EnableWindow(TRUE);
m_btnDisconnect.EnableWindow(FALSE);
m_btnGet.EnableWindow(FALSE);
m_btnPut.EnableWindow(TRUE);
m_btnHelp.EnableWindow(TRUE);
m_pDoc->UpdateAllViews(NULL, 0L, NULL);
// If the user used the Open FTP Site dialog box to specify the address
// of a site to connect to, then connect to that site!
if (m_pDoc->m_bFTPAutoConnect)
{
// Connect to the FTP site for the user
/*wait.Restore();*/
m_pStatusBar->SetText("Connecting to FTP site... Please wait.");
OnConnect();
}
return;
}
void CFtpView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
{
// the document is telling us its data was changed by the user
// we can display the new values of the data on the screen with
// CWnd::UpdateData(bSave=FALSE);
if (!UpdateData(FALSE))
AfxMessageBox(AFX_IDP_INTERNAL_FAILURE, MB_ICONSTOP);
return;
}
/////////////////////////////////////////////////////////////////////////////
// CFtpView communications
LRESULT CFtpView::OnControlSocket(WPARAM wAmount, LPARAM lBuffer)
{
if ((int)wAmount > 0) // for replies from socket
{
// we don't expect any big deal replies from the control socket,
// so we will ignore them
}
else
{
// If wAmount < 0 it is a receive command
CString strMsg = "", strCmd = "";
switch ((SocketReceiveCmd)wAmount)
{
case SocketStatusChanged:
switch (m_pControlSocket->GetStatus())
{
case CONNECTING:
break;
case CONNECTED:
m_bConnected = TRUE;
// switch to getline mode
m_pControlSocket->SetReceiveTarget(NULL, 0);
HandleResponse();
if (!GetUserIDAndPassword())
{
delete m_pControlSocket;
m_pControlSocket = NULL;
m_btnConnect.EnableWindow(TRUE);
m_btnDisconnect.EnableWindow(FALSE);
m_pStatusBar->SetText("Disconnected from FTP site.");
return 0;
}
m_pStatusBar->SetText(IDS_REQUESTING_ATTENTION);
strCmd = "USER " + m_pDoc->GetUserID() + "\r\n";
m_pControlSocket->Send(strCmd);
#ifdef _DEBUG
ReportFTPCommand("USER");
#endif
if (!HandleResponse())
{
delete m_pControlSocket;
m_pControlSocket = NULL;
m_btnConnect.EnableWindow(TRUE);
m_btnDisconnect.EnableWindow(FALSE);
m_pStatusBar->SetText("Disconnected from FTP site.");
return 0;
}
m_pStatusBar->SetText(IDS_REQUESTING_ATTENTION);
/*wait.Restore();*/
strCmd = "PASS " + m_pDoc->GetPassword() + "\r\n";
m_pControlSocket->Send(strCmd);
#ifdef _DEBUG
ReportFTPCommand("PASS");
#endif
// The FTP server, its requests for info satisfied,
// probably has a big welcome message it wants
// the user to see, so show the user the message
// in a dialog box using HandleWelcomeMsg()
strMsg = "Connected to ";
strMsg += m_pDoc->GetSiteName();
strMsg += ". For Help, press F1.";
m_pStatusBar->SetText(strMsg);
if (!HandleWelcomeMsg())
{
m_pStatusBar->ShowIdleMessage();
State = ReceivingWelcome;
OnDisconnect();
return 0; // get out of this message
}
/*UpdateData(FALSE); */
m_btnUp.EnableWindow(FALSE);
m_pStatusBar->SetText(IDS_TALKING_TO_SERVER);
if (m_pDoc->GetSiteName() == "members.aol.com" ||
m_pDoc->GetSiteName() == "users.aol.com" ||
m_pDoc->GetSiteName() == "members.gnn.com")
{
CAOLDirDlg aolDir(AfxGetMainWnd());
aolDir.m_strDirectory = "/"; // default is root
if (aolDir.DoModal() == IDOK)
{
m_pStatusBar->ShowIdleMessage();
m_strDirectory = aolDir.m_strDirectory;
if (!m_strDirectory.IsEmpty())
{
strMsg = "Changing directories on ";
strMsg += m_pDoc->GetSiteName();
strMsg += " to ";
strMsg += m_strDirectory + "... ";
strMsg += " Please wait.";
m_pStatusBar->SetText(strMsg);
strMsg.Empty();
strCmd = "CWD ";
strCmd += m_strDirectory;
strCmd += "\r\n";
m_pControlSocket->Send(strCmd);
#ifdef _DEBUG
ReportFTPCommand("CWD");
#endif
strCmd.Empty();
if (!HandleResponse())
{
m_pStatusBar->ShowIdleMessage();
m_pDoc->m_bEmergencyClose = TRUE;
OnDisconnect();
break;
}
// Ask the server for its working
// directory so we can inform the
// user
m_pControlSocket->Send("PWD\r\n");
if (!HandleResponse())
{
m_pStatusBar->ShowIdleMessage();
m_pDoc->m_bEmergencyClose = TRUE;
OnDisconnect();
break;
}
m_pStatusBar->SetText(IDS_REQUESTING_ATTENTION);
ListFiles();
break;
}
}
}
m_pStatusBar->SetText(IDS_REQUESTING_DIRECTORY);
m_pControlSocket->Send("PWD\r\n");
if (!HandleResponse())
{
MessageBeep(-1);
AfxMessageBox(IDP_ERROR_DISCONNECT, MB_ICONSTOP);
m_pDoc->m_bEmergencyClose = TRUE;
OnDisconnect();
break;
}
m_pStatusBar->SetText(IDS_REQUESTING_ATTENTION);
ListFiles();
break;
case ERRORSTATE: // socket error
m_pStatusBar->ShowIdleMessage();
// serious socket error occurred; disconnect
AfxMessageBox(IDP_ERROR_DISCONNECT,
MB_ICONSTOP|MB_OK);
m_pDoc->m_bEmergencyClose = TRUE;
SendMessage(WM_COMMAND, ID_SITE_DISCONNECT);
break;
case TIMEDOUT:
m_pStatusBar->ShowIdleMessage();
break;
}
break;
}
}
return 0;
}
LRESULT CFtpView::OnListeningSocket(WPARAM wAmount, LPARAM lBuffer)
{
if ((int)wAmount > 0)
{
// we don't expect any big deal replies from the listening socket,
// so we will ignore them
}
else
{
// If wAmount < 0 it is a receive command.
switch ((SocketReceiveCmd)wAmount)
{
case SocketStatusChanged:
break;
case NewSocketAccepted:
// The only function of this listening
// socket is to tell you where to find the
// data socket that the server connected to.
// After that, you work with the data socket
m_pDataSocket = (QSocket*)lBuffer;
m_pDataSocket->SetReceiveTarget(this,
WM_SOCKET_DATA);
// Force this socket to receive notification of its
// CONNECTED status
m_pDataSocket->NotifyStatus();
delete m_pListeningSocket;
m_pListeningSocket = NULL;
break;
}
}
return 0;
}
LRESULT CFtpView::OnDataSocket(WPARAM wAmount, LPARAM lBuffer)
{
CString strItem = "";
CString strMsg = "", strCmd = "";
if ((int)wAmount > 0)
{
if (State == ReceivingList) // receiving a list of files
{
m_pStatusBar->SetText(IDS_RECEIVING_LIST);
/*wait.Restore();*/
unsigned int nLeftoverLength = m_strLeftovers.GetLength();
char* pszFullBuffer = new char[wAmount+nLeftoverLength+1];
strcpy(pszFullBuffer,m_strLeftovers);
strcat(pszFullBuffer, (char*) lBuffer);
char* pszCur = pszFullBuffer;
char* pszCRLF = strstr(pszCur, "\r\n"); //location of the CR LF pair
while (pszCRLF)
{
*pszCRLF = 0;
#ifdef _DEBUG
afxDump << pszCur << "\r\n";
#endif
// Add the string to this list box, after doing any special
// processing
strItem = pszCur;
if (OnAddToFilesList(strItem))
m_ctlFiles.AddString(strItem);//will go from pszCur to the null termination we just put in
pszCur = pszCRLF + 2; //skip over the null
pszCRLF = strstr(pszCur, "\r\n"); // search again
}
m_strLeftovers = pszCur;
delete[] pszFullBuffer; // clean-up memory
m_pStatusBar->ShowIdleMessage();
}
if (State == ReceivingFile)
DoDownload((char*)lBuffer, (ULONG)wAmount);
}
else
{
/*wait.Restore();*/
// If wAmount < 0 it is a receive command
switch ((SocketReceiveCmd)wAmount)
{
case SocketStatusChanged:
{
switch(m_pDataSocket->GetStatus())
{
case CONNECTING:
if (State == SendingFile)
m_pStatusBar->SetText(IDS_WAITING_DATA_CONNECTION);
break;
case CONNECTED: // This is important; we may be uploading
if (State == SendingFile)
DoUpload();
break;
case DISCONNECTED:
HandleResponse();
if (State == ReceivingList) // 226 Transfer Complete
{
OnEndList();
m_pStatusBar->ShowIdleMessage();
}
else if (State == ReceivingFile)
{
OnEndDownload();
m_pStatusBar->ShowIdleMessage();
}
m_btnDisconnect.EnableWindow(TRUE);
m_btnPut.EnableWindow(TRUE);
State = Idle;
break;
}
}
}
}
return 0;
}
/////////////////////////////////////////////////////////////////////////////
// CFtpView upload and download
void CFtpView::DoDownload(char* pszBuffer, unsigned long int ulBuffer)
{
m_pStatusBar->SetText("Copying " + m_strFileName + "... Please wait.");
if (m_nFileType == TYPE_BINARY)
{
// If the file we're downloading is a binary data file,
// then we can write it to the disk as is
TRY
{
m_pUserFile->Write((char*)pszBuffer, ulBuffer);
}
CATCH(CFileException, pFileException)
{
EmitFileException(pFileException);
// Cancel this download
PostMessage(WM_COMMAND, ID_CANCEL_CALL, 0L);
return;
}
END_CATCH
// Calculate percentage of file downloaded
// and display it in the percent-gauge dialog box
// NOTE: The below technique has been perfected and it
// WORKS!
m_nBytes = (ULONG)m_pUserFile->GetLength();
m_pPercentDialog->CalculatePercent(m_nBytes,
m_nFileSize);
}
else if (m_nFileType == TYPE_ASCII)
{
// we're getting an ASCII text file; strip out any
// carriage-return ('\r') characters so Write(), when
// expanding CR-LF pairs, doesn't mess up the file
char* pszCur = pszBuffer; // holds our place in lBuffer
char* pszCR = strchr(pszCur, '\r'); // finds a carriage
// return
while(pszCR)
{
m_pStatusBar->SetText("Copying " + m_strFileName + "... Please wait.");
*pszCR++ = 0;
TRY
{
m_pUserFile->Write((char*)pszCur, strlen(pszCur));
}
CATCH(CFileException, pFileException)
{
EmitFileException(pFileException);
// Cancel this download
PostMessage(WM_COMMAND, ID_CANCEL_CALL, 0L);
return;
}
END_CATCH
// Calculate percentage of file downloaded
// and display it in the percent-gauge dialog box
m_nBytes = (ULONG)m_pUserFile->GetLength();
m_pPercentDialog->CalculatePercent(m_nBytes,
m_nFileSize);
// Will go from pszCur to the NULL we put in the
// lBuffer.
pszCur = pszCR; // Skip over the NULL.
pszCR = strchr(pszCur, '\r'); // Search again.
}
m_pStatusBar->SetText("Copying " + m_strFileName + "... Please wait.");
// Write any leftovers to the file, and calculate the
// percentage downloaded
TRY
{
m_pUserFile->Write((char*)pszCur, strlen(pszCur));
}
CATCH(CFileException, pFileException)
{
EmitFileException(pFileException);
// Cancel this download
PostMessage(WM_COMMAND, ID_CANCEL_CALL, 0L);
return;
}
END_CATCH
// Calculate percentage of file downloaded
// and display it in the percent-gauge dialog box
m_nBytes = (ULONG)m_pUserFile->GetLength();
m_pPercentDialog->CalculatePercent(m_nBytes,
m_nFileSize);
}
}
void CFtpView::DoUpload()
{
m_pStatusBar->SetText("Copying " + m_strFileName + "... Please wait.");
// The upload process is different then downloading.
// Here, for simplicity, we read and feed the server 1K chunks of file.
const UINT nPacketSize = 1024; // 1K is our size of chunks
UINT nBytesRead = 0; // 0 bytes read from the file so far
m_nBytes = 0; // 0 bytes sent so far
// Allocate the lBuffer which is going to be our 'byte bucket'
m_pStatusBar->SetText("Allocating buffers... Please wait.");
char* pszBuffer = new char[nPacketSize];
// If we're this far, start reading and sending
// Start the ball rolling
m_pStatusBar->SetText("Reading data from file... Please wait.");
TRY
{
nBytesRead = m_pUserFile->Read((char*)pszBuffer, nPacketSize);
}
CATCH(CFileException, pFileException)
{
m_pPercentDialog->DestroyWindow();
EmitFileException(pFileException);
State = Idle;
// Remember to remove our buffer from memory!
delete[] pszBuffer;
pszBuffer = NULL;
return;
m_pControlSocket->Send("ABOR\r\n");
delete m_pDataSocket;
m_pDataSocket = NULL;
HandleResponse();
return;
}
END_CATCH
m_nBytes = nBytesRead;
// Now use SendRaw() on the data socket to blast the
// chunk of raw file data out into cyberspace
m_pStatusBar->SetText("Copying " + m_strFileName + "... Please wait.");
m_pDataSocket->SendRaw((char*)pszBuffer, nBytesRead);
m_pPercentDialog->CalculatePercent(m_nBytes, m_nFileSize);
if (nBytesRead < nPacketSize && m_nBytes == m_nFileSize)
{
// Remember to remove our buffer from memory!
delete[] pszBuffer;
pszBuffer = NULL;
// End this upload
OnEndUpload();
return;
}