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/*
response.cpp
This file is part of tdeio_smtp, the KDE SMTP tdeioslave.
Copyright (c) 2003 Marc Mutz <mutz@kde.org>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
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
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include <config.h>
#include "response.h"
#include <tdelocale.h>
#include <tdeio/global.h>
#include <tqstring.h>
namespace KioSMTP {
void Response::parseLine( const char * line, int len ) {
if ( !isWellFormed() ) return; // don't bother
if ( isComplete() )
// if the response is already complete, there can't be another line
mValid = false;
if ( len > 1 && line[len-1] == '\n' && line[len-2] == '\r' )
len -= 2;
if ( len < 3 ) {
// can't be valid - too short
mValid = false;
mWellFormed = false;
return;
}
bool ok = false;
unsigned int code = TQCString( line, 3+1 ).toUInt( &ok );
if ( !ok || code < 100 || code > 559 ) {
// not a number or number out of range
mValid = false;
if ( !ok || code < 100 )
mWellFormed = false;
return;
}
if ( mCode && code != mCode ) {
// different codes in one response are not allowed.
mValid = false;
return;
}
mCode = code;
if ( len == 3 || line[3] == ' ' )
mSawLastLine = true;
else if ( line[3] != '-' ) {
// code must be followed by either SP or hyphen (len == 3 is
// also accepted since broken servers exist); all else is
// invalid
mValid = false;
mWellFormed = false;
return;
}
mLines.push_back( len > 4 ? TQCString( line+4, len-4+1 ).stripWhiteSpace() : TQCString() );
}
// hackishly fixing QCStringList flaws...
static TQCString join( char sep, const QCStringList & list ) {
if ( list.empty() )
return TQCString();
TQCString result = list.front();
for ( QCStringList::const_iterator it = ++list.begin() ; it != list.end() ; ++it )
result += sep + *it;
return result;
}
TQString Response::errorMessage() const {
TQString msg;
if ( lines().count() > 1 )
msg = i18n("The server responded:\n%1")
.arg( static_cast<const char *>(join( '\n', lines()) ) );
else
msg = i18n("The server responded: \"%1\"")
.arg( static_cast<const char *>(lines().front()) );
if ( first() == 4 )
msg += '\n' + i18n("This is a temporary failure. "
"You may try again later.");
return msg;
}
int Response::errorCode() const {
switch ( code() ) {
case 421: // Service not available, closing transmission channel
case 454: // TLS not available due to temporary reason
// Temporary authentication failure
case 554: // Transaction failed / No SMTP service here / No valid recipients
return TDEIO::ERR_SERVICE_NOT_AVAILABLE;
case 451: // Requested action aborted: local error in processing
return TDEIO::ERR_INTERNAL_SERVER;
case 452: // Requested action not taken: insufficient system storage
case 552: // Requested mail action aborted: exceeded storage allocation
return TDEIO::ERR_DISK_FULL;
case 500: // Syntax error, command unrecognized
case 501: // Syntax error in parameters or arguments
case 502: // Command not implemented
case 503: // Bad sequence of commands
case 504: // Command parameter not implemented
return TDEIO::ERR_INTERNAL;
case 450: // Requested mail action not taken: mailbox unavailable
case 550: // Requested action not taken: mailbox unavailable
case 551: // User not local; please try <forward-path>
case 553: // Requested action not taken: mailbox name not allowed
return TDEIO::ERR_DOES_NOT_EXIST;
case 530: // {STARTTLS,Authentication} required
case 538: // Encryption required for requested authentication mechanism
case 534: // Authentication mechanism is too weak
return TDEIO::ERR_UPGRADE_REQUIRED;
case 432: // A password transition is needed
return TDEIO::ERR_COULD_NOT_AUTHENTICATE;
default:
if ( isPositive() )
return 0;
else
return TDEIO::ERR_UNKNOWN;
}
}
} // namespace KioSMTP
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