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tdepim/libtdepim/ldapclient.cpp

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/* kldapclient.cpp - LDAP access
* Copyright (C) 2002 Klarälvdalens Datakonsult AB
*
* Author: Steffen Hansen <hansen@kde.org>
*
* Ported to KABC by Daniel Molkentin <molkentin@kde.org>
*
* This file 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 file 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 <tqfile.h>
#include <tqimage.h>
#include <tqlabel.h>
#include <tqpixmap.h>
#include <tqtextstream.h>
#include <tqurl.h>
#include <kabc/ldapurl.h>
#include <kabc/ldif.h>
#include <kapplication.h>
#include <kconfig.h>
#include <kdebug.h>
#include <kdirwatch.h>
#include <kmdcodec.h>
#include <kprotocolinfo.h>
#include <kstandarddirs.h>
#include <kstaticdeleter.h>
#include "ldapclient.h"
using namespace KPIM;
KConfig *KPIM::LdapSearch::s_config = 0L;
static KStaticDeleter<KConfig> configDeleter;
TQString LdapObject::toString() const
{
TQString result = TQString::fromLatin1( "\ndn: %1\n" ).arg( dn );
for ( LdapAttrMap::ConstIterator it = attrs.begin(); it != attrs.end(); ++it ) {
TQString attr = it.key();
for ( LdapAttrValue::ConstIterator it2 = (*it).begin(); it2 != (*it).end(); ++it2 ) {
result += TQString::fromUtf8( KABC::LDIF::assembleLine( attr, *it2, 76 ) ) + "\n";
}
}
return result;
}
void LdapObject::clear()
{
dn = TQString();
objectClass = TQString();
attrs.clear();
}
void LdapObject::assign( const LdapObject& that )
{
if ( &that != this ) {
dn = that.dn;
attrs = that.attrs;
client = that.client;
}
}
LdapClient::LdapClient( int clientNumber, TQObject* parent, const char* name )
: TQObject( parent, name ), mJob( 0 ), mActive( false ), mReportObjectClass( false )
{
// d = new LdapClientPrivate;
mClientNumber = clientNumber;
mCompletionWeight = 50 - mClientNumber;
}
LdapClient::~LdapClient()
{
cancelQuery();
// delete d; d = 0;
}
void LdapClient::setAttrs( const TQStringList& attrs )
{
mAttrs = attrs;
for ( TQStringList::Iterator it = mAttrs.begin(); it != mAttrs.end(); ++it )
if( (*it).lower() == "objectclass" ){
mReportObjectClass = true;
return;
}
mAttrs << "objectClass"; // via objectClass we detect distribution lists
mReportObjectClass = false;
}
void LdapClient::startQuery( const TQString& filter )
{
cancelQuery();
KABC::LDAPUrl url;
url.setProtocol( ( mServer.security() == LdapServer::SSL ) ? "ldaps" : "ldap" );
if ( mServer.auth() != LdapServer::Anonymous ) {
url.setUser( mServer.user() );
url.setPass( mServer.pwdBindDN() );
}
url.setHost( mServer.host() );
url.setPort( mServer.port() );
url.setExtension( "x-ver", TQString::number( mServer.version() ) );
url.setDn( mServer.baseDN() );
url.setDn( mServer.baseDN() );
if ( mServer.security() == LdapServer::TLS ) url.setExtension( "x-tls","" );
if ( mServer.auth() == LdapServer::SASL ) {
url.setExtension( "x-sasl","" );
if ( !mServer.bindDN().isEmpty() ) url.setExtension( "x-bindname", mServer.bindDN() );
if ( !mServer.mech().isEmpty() ) url.setExtension( "x-mech", mServer.mech() );
}
if ( mServer.timeLimit() != 0 ) url.setExtension( "x-timelimit",
TQString::number( mServer.timeLimit() ) );
if ( mServer.sizeLimit() != 0 ) url.setExtension( "x-sizelimit",
TQString::number( mServer.sizeLimit() ) );
url.setAttributes( mAttrs );
url.setScope( mScope == "one" ? KABC::LDAPUrl::One : KABC::LDAPUrl::Sub );
url.setFilter( "("+filter+")" );
kdDebug(5300) << "LdapClient: Doing query: " << url.prettyURL() << endl;
startParseLDIF();
mActive = true;
mJob = KIO::get( url, false, false );
connect( mJob, TQT_SIGNAL( data( KIO::Job*, const TQByteArray& ) ),
this, TQT_SLOT( slotData( KIO::Job*, const TQByteArray& ) ) );
connect( mJob, TQT_SIGNAL( infoMessage( KIO::Job*, const TQString& ) ),
this, TQT_SLOT( slotInfoMessage( KIO::Job*, const TQString& ) ) );
connect( mJob, TQT_SIGNAL( result( KIO::Job* ) ),
this, TQT_SLOT( slotDone() ) );
}
void LdapClient::cancelQuery()
{
if ( mJob ) {
mJob->kill();
mJob = 0;
}
mActive = false;
}
void LdapClient::slotData( KIO::Job*, const TQByteArray& data )
{
parseLDIF( data );
}
void LdapClient::slotInfoMessage( KIO::Job*, const TQString & )
{
//qDebug("Job said \"%s\"", info.latin1());
}
void LdapClient::slotDone()
{
endParseLDIF();
mActive = false;
#if 0
for ( TQValueList<LdapObject>::Iterator it = mObjects.begin(); it != mObjects.end(); ++it ) {
qDebug( (*it).toString().latin1() );
}
#endif
int err = mJob->error();
if ( err && err != KIO::ERR_USER_CANCELED ) {
emit error( mJob->errorString() );
}
emit done();
}
void LdapClient::startParseLDIF()
{
mCurrentObject.clear();
mLdif.startParsing();
}
void LdapClient::endParseLDIF()
{
}
void LdapClient::finishCurrentObject()
{
mCurrentObject.dn = mLdif.dn();
const TQString sClass( mCurrentObject.objectClass.lower() );
if( sClass == "groupofnames" || sClass == "kolabgroupofnames" ){
LdapAttrMap::ConstIterator it = mCurrentObject.attrs.find("mail");
if( it == mCurrentObject.attrs.end() ){
// No explicit mail address found so far?
// Fine, then we use the address stored in the DN.
TQString sMail;
TQStringList lMail = TQStringList::split(",dc=", mCurrentObject.dn);
const int n = lMail.count();
if( n ){
if( lMail.first().lower().startsWith("cn=") ){
sMail = lMail.first().simplifyWhiteSpace().mid(3);
if( 1 < n )
sMail.append('@');
for( int i=1; i<n; ++i){
sMail.append( lMail[i] );
if( i < n-1 )
sMail.append('.');
}
mCurrentObject.attrs["mail"].append( sMail.utf8() );
}
}
}
}
mCurrentObject.client = this;
emit result( mCurrentObject );
mCurrentObject.clear();
}
void LdapClient::parseLDIF( const TQByteArray& data )
{
//kdDebug(5300) << "LdapClient::parseLDIF( " << TQCString(data.data(), data.size()+1) << " )" << endl;
if ( data.size() ) {
mLdif.setLDIF( data );
} else {
mLdif.endLDIF();
}
KABC::LDIF::ParseVal ret;
TQString name;
do {
ret = mLdif.nextItem();
switch ( ret ) {
case KABC::LDIF::Item:
{
name = mLdif.attr();
// Must make a copy! TQByteArray is explicitely shared
TQByteArray value = mLdif.val().copy();
bool bIsObjectClass = name.lower() == "objectclass";
if( bIsObjectClass )
mCurrentObject.objectClass = TQString::fromUtf8( value, value.size() );
if( mReportObjectClass || !bIsObjectClass )
mCurrentObject.attrs[ name ].append( value );
//kdDebug(5300) << "LdapClient::parseLDIF(): name=" << name << " value=" << TQCString(value.data(), value.size()+1) << endl;
}
break;
case KABC::LDIF::EndEntry:
finishCurrentObject();
break;
default:
break;
}
} while ( ret != KABC::LDIF::MoreData );
}
int LdapClient::clientNumber() const
{
return mClientNumber;
}
int LdapClient::completionWeight() const
{
return mCompletionWeight;
}
void LdapClient::setCompletionWeight( int weight )
{
mCompletionWeight = weight;
}
void LdapSearch::readConfig( LdapServer &server, KConfig *config, int j, bool active )
{
TQString prefix;
if ( active ) prefix = "Selected";
TQString host = config->readEntry( prefix + TQString( "Host%1" ).arg( j ), "" ).stripWhiteSpace();
if ( !host.isEmpty() )
server.setHost( host );
int port = config->readNumEntry( prefix + TQString( "Port%1" ).arg( j ), 389 );
server.setPort( port );
TQString base = config->readEntry( prefix + TQString( "Base%1" ).arg( j ), "" ).stripWhiteSpace();
if ( !base.isEmpty() )
server.setBaseDN( base );
TQString user = config->readEntry( prefix + TQString( "User%1" ).arg( j ) ).stripWhiteSpace();
if ( !user.isEmpty() )
server.setUser( user );
TQString bindDN = config->readEntry( prefix + TQString( "Bind%1" ).arg( j ) ).stripWhiteSpace();
if ( !bindDN.isEmpty() )
server.setBindDN( bindDN );
TQString pwdBindDN = config->readEntry( prefix + TQString( "PwdBind%1" ).arg( j ) );
if ( !pwdBindDN.isEmpty() )
server.setPwdBindDN( pwdBindDN );
server.setTimeLimit( config->readNumEntry( prefix + TQString( "TimeLimit%1" ).arg( j ) ) );
server.setSizeLimit( config->readNumEntry( prefix + TQString( "SizeLimit%1" ).arg( j ) ) );
server.setVersion( config->readNumEntry( prefix + TQString( "Version%1" ).arg( j ), 3 ) );
server.setSecurity( config->readNumEntry( prefix + TQString( "Security%1" ).arg( j ) ) );
server.setAuth( config->readNumEntry( prefix + TQString( "Auth%1" ).arg( j ) ) );
server.setMech( config->readEntry( prefix + TQString( "Mech%1" ).arg( j ) ) );
}
void LdapSearch::writeConfig( const LdapServer &server, KConfig *config, int j, bool active )
{
TQString prefix;
if ( active ) prefix = "Selected";
config->writeEntry( prefix + TQString( "Host%1" ).arg( j ), server.host() );
config->writeEntry( prefix + TQString( "Port%1" ).arg( j ), server.port() );
config->writeEntry( prefix + TQString( "Base%1" ).arg( j ), server.baseDN() );
config->writeEntry( prefix + TQString( "User%1" ).arg( j ), server.user() );
config->writeEntry( prefix + TQString( "Bind%1" ).arg( j ), server.bindDN() );
config->writeEntry( prefix + TQString( "PwdBind%1" ).arg( j ), server.pwdBindDN() );
config->writeEntry( prefix + TQString( "TimeLimit%1" ).arg( j ), server.timeLimit() );
config->writeEntry( prefix + TQString( "SizeLimit%1" ).arg( j ), server.sizeLimit() );
config->writeEntry( prefix + TQString( "Version%1" ).arg( j ), server.version() );
config->writeEntry( prefix + TQString( "Security%1" ).arg( j ), server.security() );
config->writeEntry( prefix + TQString( "Auth%1" ).arg( j ), server.auth() );
config->writeEntry( prefix + TQString( "Mech%1" ).arg( j ), server.mech() );
}
KConfig* LdapSearch::config()
{
if ( !s_config )
configDeleter.setObject( s_config, new KConfig( "kabldaprc", false, false ) ); // Open read-write, no kdeglobals
return s_config;
}
LdapSearch::LdapSearch()
: mActiveClients( 0 ), mNoLDAPLookup( false )
{
if ( !KProtocolInfo::isKnownProtocol( KURL("ldap://localhost") ) ) {
mNoLDAPLookup = true;
return;
}
readConfig();
connect(KDirWatch::self(), TQT_SIGNAL(dirty (const TQString&)),this,
TQT_SLOT(slotFileChanged(const TQString&)));
}
void LdapSearch::readWeighForClient( LdapClient *client, KConfig *config, int clientNumber )
{
const int completionWeight = config->readNumEntry( TQString( "SelectedCompletionWeight%1" ).arg( clientNumber ), -1 );
if ( completionWeight != -1 )
client->setCompletionWeight( completionWeight );
}
void LdapSearch::updateCompletionWeights()
{
KConfig *config = KPIM::LdapSearch::config();
config->setGroup( "LDAP" );
for ( uint i = 0; i < mClients.size(); i++ ) {
readWeighForClient( mClients[i], config, i );
}
}
void LdapSearch::readConfig()
{
cancelSearch();
TQValueList< LdapClient* >::Iterator it;
for ( it = mClients.begin(); it != mClients.end(); ++it )
delete *it;
mClients.clear();
// stolen from KAddressBook
KConfig *config = KPIM::LdapSearch::config();
config->setGroup( "LDAP" );
int numHosts = config->readUnsignedNumEntry( "NumSelectedHosts");
if ( !numHosts ) {
mNoLDAPLookup = true;
} else {
for ( int j = 0; j < numHosts; j++ ) {
LdapClient* ldapClient = new LdapClient( j, this );
LdapServer server;
readConfig( server, config, j, true );
if ( !server.host().isEmpty() ) mNoLDAPLookup = false;
ldapClient->setServer( server );
readWeighForClient( ldapClient, config, j );
TQStringList attrs;
// note: we need "objectClass" to detect distribution lists
attrs << "cn" << "mail" << "givenname" << "sn" << "objectClass";
ldapClient->setAttrs( attrs );
connect( ldapClient, TQT_SIGNAL( result( const KPIM::LdapObject& ) ),
this, TQT_SLOT( slotLDAPResult( const KPIM::LdapObject& ) ) );
connect( ldapClient, TQT_SIGNAL( done() ),
this, TQT_SLOT( slotLDAPDone() ) );
connect( ldapClient, TQT_SIGNAL( error( const TQString& ) ),
this, TQT_SLOT( slotLDAPError( const TQString& ) ) );
mClients.append( ldapClient );
}
connect( &mDataTimer, TQT_SIGNAL( timeout() ), TQT_SLOT( slotDataTimer() ) );
}
mConfigFile = locateLocal( "config", "kabldaprc" );
KDirWatch::self()->addFile( mConfigFile );
}
void LdapSearch::slotFileChanged( const TQString& file )
{
if ( file == mConfigFile )
readConfig();
}
void LdapSearch::startSearch( const TQString& txt )
{
if ( mNoLDAPLookup )
return;
cancelSearch();
int pos = txt.find( '\"' );
if( pos >= 0 )
{
++pos;
int pos2 = txt.find( '\"', pos );
if( pos2 >= 0 )
mSearchText = txt.mid( pos , pos2 - pos );
else
mSearchText = txt.mid( pos );
} else
mSearchText = txt;
/* The reasoning behind this filter is:
* If it's a person, or a distlist, show it, even if it doesn't have an email address.
* If it's not a person, or a distlist, only show it if it has an email attribute.
* This allows both resource accounts with an email address which are not a person and
* person entries without an email address to show up, while still not showing things
* like structural entries in the ldap tree. */
TQString filter = TQString( "&(|(objectclass=person)(objectclass=groupOfNames)(mail=*))(|(cn=%1*)(mail=%2*)(mail=*@%3*)(givenName=%4*)(sn=%5*))" )
.arg( mSearchText ).arg( mSearchText ).arg( mSearchText ).arg( mSearchText ).arg( mSearchText );
TQValueList< LdapClient* >::Iterator it;
for ( it = mClients.begin(); it != mClients.end(); ++it ) {
(*it)->startQuery( filter );
kdDebug(5300) << "LdapSearch::startSearch() " << filter << endl;
++mActiveClients;
}
}
void LdapSearch::cancelSearch()
{
TQValueList< LdapClient* >::Iterator it;
for ( it = mClients.begin(); it != mClients.end(); ++it )
(*it)->cancelQuery();
mActiveClients = 0;
mResults.clear();
}
void LdapSearch::slotLDAPResult( const KPIM::LdapObject& obj )
{
mResults.append( obj );
if ( !mDataTimer.isActive() )
mDataTimer.start( 500, true );
}
void LdapSearch::slotLDAPError( const TQString& )
{
slotLDAPDone();
}
void LdapSearch::slotLDAPDone()
{
if ( --mActiveClients > 0 )
return;
finish();
}
void LdapSearch::slotDataTimer()
{
TQStringList lst;
LdapResultList reslist;
makeSearchData( lst, reslist );
if ( !lst.isEmpty() )
emit searchData( lst );
if ( !reslist.isEmpty() )
emit searchData( reslist );
}
void LdapSearch::finish()
{
mDataTimer.stop();
slotDataTimer(); // emit final bunch of data
emit searchDone();
}
void LdapSearch::makeSearchData( TQStringList& ret, LdapResultList& resList )
{
TQString search_text_upper = mSearchText.upper();
TQValueList< KPIM::LdapObject >::ConstIterator it1;
for ( it1 = mResults.begin(); it1 != mResults.end(); ++it1 ) {
TQString name, mail, givenname, sn;
TQStringList mails;
bool isDistributionList = false;
bool wasCN = false;
bool wasDC = false;
//kdDebug(5300) << "\n\nLdapSearch::makeSearchData()\n\n" << endl;
LdapAttrMap::ConstIterator it2;
for ( it2 = (*it1).attrs.begin(); it2 != (*it1).attrs.end(); ++it2 ) {
TQByteArray val = (*it2).first();
int len = val.size();
if( len > 0 && '\0' == val[len-1] )
--len;
const TQString tmp = TQString::fromUtf8( val, len );
//kdDebug(5300) << " key: \"" << it2.key() << "\" value: \"" << tmp << "\"" << endl;
if ( it2.key() == "cn" ) {
name = tmp;
if( mail.isEmpty() )
mail = tmp;
else{
if( wasCN )
mail.prepend( "." );
else
mail.prepend( "@" );
mail.prepend( tmp );
}
wasCN = true;
} else if ( it2.key() == "dc" ) {
if( mail.isEmpty() )
mail = tmp;
else{
if( wasDC )
mail.append( "." );
else
mail.append( "@" );
mail.append( tmp );
}
wasDC = true;
} else if( it2.key() == "mail" ) {
mail = tmp;
LdapAttrValue::ConstIterator it3 = it2.data().begin();
for ( ; it3 != it2.data().end(); ++it3 ) {
mails.append( TQString::fromUtf8( (*it3).data(), (*it3).size() ) );
}
} else if( it2.key() == "givenName" )
givenname = tmp;
else if( it2.key() == "sn" )
sn = tmp;
else if( it2.key() == "objectClass" &&
(tmp == "groupOfNames" || tmp == "kolabGroupOfNames") ) {
isDistributionList = true;
}
}
if( mails.isEmpty()) {
if ( !mail.isEmpty() ) mails.append( mail );
if( isDistributionList ) {
//kdDebug(5300) << "\n\nLdapSearch::makeSearchData() found a list: " << name << "\n\n" << endl;
ret.append( name );
// following lines commented out for bugfixing kolab issue #177:
//
// Unlike we thought previously we may NOT append the server name here.
//
// The right server is found by the SMTP server instead: Kolab users
// must use the correct SMTP server, by definition.
//
//mail = (*it1).client->base().simplifyWhiteSpace();
//mail.replace( ",dc=", ".", false );
//if( mail.startsWith("dc=", false) )
// mail.remove(0, 3);
//mail.prepend( '@' );
//mail.prepend( name );
//mail = name;
} else {
//kdDebug(5300) << "LdapSearch::makeSearchData() found BAD ENTRY: \"" << name << "\"" << endl;
continue; // nothing, bad entry
}
} else if ( name.isEmpty() ) {
//kdDebug(5300) << "LdapSearch::makeSearchData() mail: \"" << mail << "\"" << endl;
ret.append( mail );
} else {
//kdDebug(5300) << "LdapSearch::makeSearchData() name: \"" << name << "\" mail: \"" << mail << "\"" << endl;
ret.append( TQString( "%1 <%2>" ).arg( name ).arg( mail ) );
}
LdapResult sr;
sr.clientNumber = (*it1).client->clientNumber();
sr.completionWeight = (*it1).client->completionWeight();
sr.name = name;
sr.email = mails;
resList.append( sr );
}
mResults.clear();
}
bool LdapSearch::isAvailable() const
{
return !mNoLDAPLookup;
}
#include "ldapclient.moc"