]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/ftp.cpp
fixing mngw32 (cross)compilation
[wxWidgets.git] / src / common / ftp.cpp
index f485e9a7b0c6b410c884e53fec0ec44d26a88ae5..95d0d739d59a5eef6b52f9d100f8c38849c96e6c 100644 (file)
@@ -50,7 +50,7 @@
 #include "wx/protocol/ftp.h"
 
 #if defined(__WXMAC__)
-    #include "/wx/mac/macsock.h"
+    #include "wx/mac/macsock.h"
 #endif
 
 #ifndef __MWERKS__
@@ -83,7 +83,7 @@ wxFTP::wxFTP()
 {
     m_lastError = wxPROTO_NOERR;
     m_streaming = FALSE;
-    m_modeSet = FALSE;
+       m_currentTransfermode = NONE;
 
     m_user = wxT("anonymous");
     m_passwd << wxGetUserId() << wxT('@') << wxGetFullHostName();
@@ -204,7 +204,20 @@ char wxFTP::SendCommand(const wxString& command)
         return 0;
     }
 
-    wxLogTrace(_T("ftp"), _T("==> %s"), command.c_str());
+#ifdef __WXDEBUG__
+    // don't show the passwords in the logs (even in debug ones)
+    wxString cmd, password;
+    if ( command.Upper().StartsWith(_T("PASS "), &password) )
+    {
+        cmd << _T("PASS ") << wxString(_T('*'), password.length());
+    }
+    else
+    {
+        cmd = command;
+    }
+
+    wxLogTrace(FTP_TRACE_MASK, _T("==> %s"), cmd.c_str());
+#endif // __WXDEBUG__
 
     return GetResult();
 }
@@ -256,7 +269,7 @@ char wxFTP::GetResult()
             }
             else
             {
-                wxLogTrace(_T("ftp"), _T("<== %s %s"),
+                wxLogTrace(FTP_TRACE_MASK, _T("<== %s %s"),
                            code.c_str(), line.c_str());
             }
         }
@@ -268,7 +281,7 @@ char wxFTP::GetResult()
             if ( firstLine )
             {
                 code = wxString(line, LEN_CODE);
-                wxLogTrace(_T("ftp"), _T("<== %s %s"),
+                wxLogTrace(FTP_TRACE_MASK, _T("<== %s %s"),
                            code.c_str(), line.c_str() + LEN_CODE + 1);
 
                 switch ( chMarker )
@@ -295,13 +308,13 @@ char wxFTP::GetResult()
                         endOfReply = TRUE;
                     }
 
-                    wxLogTrace(_T("ftp"), _T("<== %s %s"),
+                    wxLogTrace(FTP_TRACE_MASK, _T("<== %s %s"),
                                code.c_str(), line.c_str() + LEN_CODE + 1);
                 }
                 else
                 {
                     // just part of reply
-                    wxLogTrace(_T("ftp"), _T("<== %s %s"),
+                    wxLogTrace(FTP_TRACE_MASK, _T("<== %s %s"),
                                code.c_str(), line.c_str());
                 }
             }
@@ -328,6 +341,12 @@ char wxFTP::GetResult()
 
 bool wxFTP::SetTransferMode(TransferMode transferMode)
 {
+    if ( transferMode == m_currentTransfermode )
+    {
+        // nothing to do
+        return TRUE;
+    }
+
     wxString mode;
     switch ( transferMode )
     {
@@ -346,13 +365,15 @@ bool wxFTP::SetTransferMode(TransferMode transferMode)
 
     if ( !DoSimpleCommand(_T("TYPE"), mode) )
     {
-        wxLogError(_("Failed to set FTP transfer mode to %s."),
-                   transferMode == ASCII ? _("ASCII") : _("binary"));
+        wxLogError(_("Failed to set FTP transfer mode to %s."), (const wxChar*)
+                   (transferMode == ASCII ? _("ASCII") : _("binary")));
 
         return FALSE;
     }
 
-    m_modeSet = TRUE;
+       // If we get here the operation has been succesfully completed
+       // Set the status-member
+       m_currentTransfermode = transferMode;
 
     return TRUE;
 }
@@ -469,9 +490,15 @@ bool wxFTP::RmFile(const wxString& path)
 class wxInputFTPStream : public wxSocketInputStream
 {
 public:
-    wxInputFTPStream(wxFTP *ftp_clt, wxSocketBase *sock)
-        : wxSocketInputStream(*sock), m_ftp(ftp_clt)
+    wxInputFTPStream(wxFTP *ftp, wxSocketBase *sock)
+        : wxSocketInputStream(*sock)
     {
+        m_ftp = ftp;
+
+        // FIXME make the timeout configurable
+
+        // set a shorter than default timeout
+        m_i_socket->SetTimeout(60); // 1 minute
     }
 
     size_t GetSize() const { return m_ftpsize; }
@@ -491,6 +518,8 @@ public:
         {
             m_ftp->Abort();
         }
+
+        // delete m_i_socket; // moved to top of destructor to accomodate wu-FTPd >= 2.6.0
     }
 
     wxFTP *m_ftp;
@@ -542,7 +571,7 @@ wxSocketClient *wxFTP::GetPort()
         return NULL;
     }
 
-    const char *addrStart = wxStrchr(m_lastResult, _T('('));
+    const wxChar *addrStart = wxStrchr(m_lastResult, _T('('));
     if ( !addrStart )
     {
         m_lastError = wxPROTO_PROTERR;
@@ -550,7 +579,7 @@ wxSocketClient *wxFTP::GetPort()
         return NULL;
     }
 
-    const char *addrEnd = wxStrchr(addrStart, _T(')'));
+    const wxChar *addrEnd = wxStrchr(addrStart, _T(')'));
     if ( !addrEnd )
     {
         m_lastError = wxPROTO_PROTERR;
@@ -602,7 +631,7 @@ wxInputStream *wxFTP::GetInputStream(const wxString& path)
     int pos_size;
     wxInputFTPStream *in_stream;
 
-    if ( !m_modeSet && !SetTransferMode(BINARY) )
+       if ( ( m_currentTransfermode == NONE ) && !SetTransferMode(BINARY) )
         return NULL;
 
     wxSocketClient *sock = GetPort();
@@ -636,7 +665,7 @@ wxInputStream *wxFTP::GetInputStream(const wxString& path)
 
 wxOutputStream *wxFTP::GetOutputStream(const wxString& path)
 {
-    if ( !m_modeSet && !SetTransferMode(BINARY) )
+       if ( ( m_currentTransfermode == NONE ) && !SetTransferMode(BINARY) )
         return NULL;
 
     wxSocketClient *sock = GetPort();
@@ -691,6 +720,170 @@ bool wxFTP::GetList(wxArrayString& files,
     return TRUE;
 }
 
+bool wxFTP::FileExists(const wxString& fileName)
+{
+       // This function checks if the file specified in fileName exists in the 
+       // current dir. It does so by simply doing an NLST (via GetList).
+       // If this succeeds (and the list is not empty) the file exists.
+       
+       bool retval = FALSE;
+       wxArrayString fileList;
+
+       if ( GetList(fileList, fileName, FALSE) )
+       {
+               // Some ftp-servers (Ipswitch WS_FTP Server 1.0.5 does this)
+               // displays this behaviour when queried on a non-existing file:
+               // NLST this_file_does_not_exist
+               // 150 Opening ASCII data connection for directory listing
+               // (no data transferred)
+               // 226 Transfer complete
+        // Here wxFTP::GetList(...) will succeed but it will return an empty
+        // list.
+        retval = !fileList.IsEmpty();
+       }
+
+       return retval;
+}
+
+// ----------------------------------------------------------------------------
+// FTP GetSize
+// ----------------------------------------------------------------------------
+
+int wxFTP::GetFileSize(const wxString& fileName)
+{
+       // return the filesize of the given file if possible
+       // return -1 otherwise (predominantly if file doesn't exist
+       // in current dir)
+
+       int filesize = -1;
+       
+       // Check for existance of file via wxFTP::FileExists(...)
+    if ( FileExists(fileName) )
+    {
+        wxString command;
+
+        // First try "SIZE" command using BINARY(IMAGE) transfermode
+        // Especially UNIX ftp-servers distinguish between the different
+        // transfermodes and reports different filesizes accordingly.
+        // The BINARY size is the interesting one: How much memory
+        // will we need to hold this file?
+           TransferMode oldTransfermode = m_currentTransfermode;
+        SetTransferMode(BINARY);
+        command << _T("SIZE ") << fileName;
+
+        bool ok = CheckCommand(command, '2');
+
+        if ( ok )
+        {
+            // The answer should be one line: "213 <filesize>\n"
+            // 213 is File Status (STD9)
+                       // "SIZE" is not described anywhere..? It works on most servers
+                       int statuscode;
+                       if ( wxSscanf(GetLastResult().c_str(), _T("%i %i"),
+                          &statuscode, &filesize) == 2 )
+                       {
+                               // We've gotten a good reply.
+                               ok = TRUE; 
+                       }
+                       else
+                       {
+                               // Something bad happened.. A "2yz" reply with no size
+                               // Fallback
+                               ok = FALSE;
+                       }
+        }
+               
+               // Set transfermode back to the original. Only the "SIZE"-command
+               // is dependant on transfermode
+        if ( oldTransfermode != NONE )
+        {
+            SetTransferMode(oldTransfermode);
+        }
+               
+               if ( !ok ) // this is not a direct else clause.. The size command might return an invalid "2yz" reply
+        {
+                       // The server didn't understand the "SIZE"-command or it
+                       // returned an invalid reply.
+                       // We now try to get details for the file with a "LIST"-command
+                       // and then parse the output from there..
+                       wxArrayString fileList;
+                       if ( GetList(fileList, fileName, TRUE) )
+                       {
+                               if ( !fileList.IsEmpty() )
+                               {
+                    // We _should_ only get one line in return, but just to be
+                    // safe we run through the line(s) returned and look for a
+                    // substring containing the name we are looking for. We
+                    // stop the iteration at the first occurrence of the
+                    // filename. The search is not case-sensitive.
+                                       bool foundIt = FALSE;
+
+                    size_t i;
+                                       for ( i = 0; !foundIt && i < fileList.Count(); i++ )
+                                       {
+                                               foundIt = fileList[i].Upper().Contains(fileName.Upper());
+                                       }
+
+                                       if ( foundIt )
+                                       {
+                        // The index i points to the first occurrence of
+                        // fileName in the array Now we have to find out what
+                        // format the LIST has returned. There are two
+                        // "schools": Unix-like
+                        //
+                        // '-rw-rw-rw- owner group size month day time filename'
+                        //
+                        // or Windows-like
+                        //
+                        // 'date size filename'
+
+                        // check if the first character is '-'. This would
+                        // indicate Unix-style (this also limits this function
+                        // to searching for files, not directories)
+                        if ( fileList[i].Mid(0, 1) == _T("-") )
+                                               {
+
+                                                       if ( wxSscanf(fileList[i].c_str(),
+                                          _("%*s %*s %*s %*s %i %*s %*s %*s %*s"), 
+                                          &filesize) == 9 )
+                                                       {
+                                                               // We've gotten a good response
+                                                               ok = TRUE;
+                                                       }
+                                                       else
+                                                       {
+                                                               // Hmm... Invalid response
+                                                               wxLogTrace(FTP_TRACE_MASK,
+                                           _T("Invalid LIST response"));
+                                                       }
+                                               }
+                                               else // Windows-style response (?)
+                                               {
+                                                       if ( wxSscanf(fileList[i].c_str(),
+                                          _T("%*s %*s %i %*s"),
+                                          &filesize) == 4 )
+                                                       {
+                                                               // valid response
+                                                               ok = TRUE;
+                                                       }
+                                                       else
+                                                       {
+                                                               // something bad happened..?
+                                                               wxLogTrace(FTP_TRACE_MASK,
+                                           _T("Invalid or unknown LIST response"));
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+        }
+    }
+
+       // filesize might still be -1 when exiting
+       return filesize;
+}
+
+
 #ifdef WXWIN_COMPATIBILITY_2
 // deprecated
 wxList *wxFTP::GetList(const wxString& wildcard, bool details)