Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 367 insertions, 0 deletions

diff --git a/kmail/networkaccount.cpp b/kmail/networkaccount.cpp
new file mode 100644
index 00000000..3639ab7b
--- /dev/null
+++ b/kmail/networkaccount.cpp
@@ -0,0 +1,367 @@
+/** -*- c++ -*-
+ * networkaccount.cpp
+ *
+ * Copyright (c) 2000-2002 Michael Haeckel <haeckel@kde.org>
+ * Copyright (c) 2002 Marc Mutz <mutz@kde.org>
+ *
+ * This file is based on work on pop3 and imap account implementations
+ * by Don Sanders <sanders@kde.org> and Michael Haeckel <haeckel@kde.org>
+ *
+ *  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; version 2 of the License
+ *
+ *  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.
+ */
+
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "networkaccount.h"
+#include "accountmanager.h"
+#include "kmkernel.h"
+#include "globalsettings.h"
+
+#include <kconfig.h>
+#include <kio/global.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kdebug.h>
+#include <kwallet.h>
+using KIO::MetaData;
+using KWallet::Wallet;
+
+#include <climits>
+
+namespace KMail {
+
+    
+ // for restricting number of concurrent connections to the same server
+  static QMap<QString, int> s_serverConnections;
+
+  NetworkAccount::NetworkAccount( AccountManager * parent, const QString & name, uint id )
+    : KMAccount( parent, name, id ),
+      mSlave( 0 ),
+      mAuth( "*" ),
+      mPort( 0 ),
+      mStorePasswd( false ),
+      mUseSSL( false ),
+      mUseTLS( false ),
+      mAskAgain( false ),
+      mPasswdDirty( false ),
+      mStorePasswdInConfig( false )
+  {
+
+  }
+
+  NetworkAccount::~NetworkAccount() {
+
+  }
+
+  void NetworkAccount::init() {
+    KMAccount::init();
+
+    mSieveConfig = SieveConfig();
+    mLogin = QString::null;
+    mPasswd = QString::null;
+    mAuth = "*";
+    mHost = QString::null;
+    mPort = defaultPort();
+    mStorePasswd = false;
+    mUseSSL = false;
+    mUseTLS = false;
+    mAskAgain = false;
+  }
+
+  //
+  //
+  // Getters and Setters
+  //
+  //
+
+  void NetworkAccount::setLogin( const QString & login ) {
+    mLogin = login;
+  }
+
+  QString NetworkAccount::passwd() const {
+    if ( storePasswd() && mPasswd.isEmpty() )
+      mOwner->readPasswords();
+    return decryptStr( mPasswd );
+  }
+
+  void NetworkAccount::setPasswd( const QString & passwd, bool storeInConfig ) {
+    if ( mPasswd != encryptStr( passwd ) ) {
+      mPasswd = encryptStr( passwd );
+      mPasswdDirty = true;
+    }
+    setStorePasswd( storeInConfig );
+  }
+
+  void NetworkAccount::clearPasswd() {
+    setPasswd( "", false );
+  }
+
+  void NetworkAccount::setAuth( const QString & auth ) {
+    mAuth = auth;
+  }
+
+  void NetworkAccount::setStorePasswd( bool store ) {
+    if( mStorePasswd != store && store )
+      mPasswdDirty = true;
+    mStorePasswd = store;
+  }
+
+  void NetworkAccount::setHost( const QString & host ) {
+    mHost = host;
+  }
+
+  void NetworkAccount::setPort( unsigned short int port ) {
+    mPort = port;
+  }
+
+  void NetworkAccount::setUseSSL( bool use ) {
+    mUseSSL = use;
+  }
+
+  void NetworkAccount::setUseTLS( bool use ) {
+    mUseTLS = use;
+  }
+
+  void NetworkAccount::setSieveConfig( const SieveConfig & config ) {
+    mSieveConfig = config;
+  }
+
+  //
+  //
+  // read/write config
+  //
+  //
+
+  void NetworkAccount::readConfig( /*const*/ KConfig/*Base*/ & config ) {
+    KMAccount::readConfig( config );
+
+    setLogin( config.readEntry( "login" ) );
+
+    if ( config.readNumEntry( "store-passwd", false ) ) { // ### s/Num/Bool/
+      mStorePasswd = true;
+      QString encpasswd = config.readEntry( "pass" );
+      if ( encpasswd.isEmpty() ) {
+        encpasswd = config.readEntry( "passwd" );
+        if ( !encpasswd.isEmpty() ) encpasswd = importPassword( encpasswd );
+      }
+
+      if ( !encpasswd.isEmpty() ) {
+        setPasswd( decryptStr( encpasswd ), true );
+        // migrate to KWallet if available
+        if ( Wallet::isEnabled() ) {
+          config.deleteEntry( "pass" );
+          config.deleteEntry( "passwd" );
+          mPasswdDirty = true;
+          mStorePasswdInConfig = false;
+        } else {
+          mPasswdDirty = false; // set by setPasswd() on first read
+          mStorePasswdInConfig = true;
+        }
+      } else {
+        // read password if wallet is already open, otherwise defer to on-demand loading
+        if ( Wallet::isOpen( Wallet::NetworkWallet() ) )
+          readPassword();
+      }
+
+    } else {
+      setPasswd( "", false );
+    }
+
+    setHost( config.readEntry( "host" ) );
+
+    unsigned int port = config.readUnsignedNumEntry( "port", defaultPort() );
+    if ( port > USHRT_MAX ) port = defaultPort();
+    setPort( port );
+
+    setAuth( config.readEntry( "auth", "*" ) );
+    setUseSSL( config.readBoolEntry( "use-ssl", false ) );
+    setUseTLS( config.readBoolEntry( "use-tls", false ) );
+
+    mSieveConfig.readConfig( config );
+  }
+
+  void NetworkAccount::writeConfig( KConfig/*Base*/ & config ) /*const*/ {
+    KMAccount::writeConfig( config );
+
+    config.writeEntry( "login", login() );
+    config.writeEntry( "store-passwd", storePasswd() );
+
+    if ( storePasswd() ) {
+      // write password to the wallet if possbile and necessary
+      bool passwdStored = false;
+      if ( mPasswdDirty ) {
+        Wallet *wallet = kmkernel->wallet();
+        if ( wallet && wallet->writePassword( "account-" + QString::number(mId), passwd() ) == 0 ) {
+          passwdStored = true;
+          mPasswdDirty = false;
+          mStorePasswdInConfig = false;
+        }
+      } else {
+        passwdStored = !mStorePasswdInConfig; // already in the wallet
+      }
+      // if wallet is not available, write to config file, since the account
+      // manager deletes this group, we need to write it always
+      if ( !passwdStored && ( mStorePasswdInConfig || KMessageBox::warningYesNo( 0,
+           i18n("KWallet is not available. It is strongly recommended to use "
+                "KWallet for managing your passwords.\n"
+                "However, KMail can store the password in its configuration "
+                "file instead. The password is stored in an obfuscated format, "
+                "but should not be considered secure from decryption efforts "
+                "if access to the configuration file is obtained.\n"
+                "Do you want to store the password for account '%1' in the "
+                "configuration file?").arg( name() ),
+           i18n("KWallet Not Available"),
+           KGuiItem( i18n("Store Password") ),
+           KGuiItem( i18n("Do Not Store Password") ) )
+           == KMessageBox::Yes ) ) {
+        config.writeEntry( "pass", encryptStr( passwd() ) );
+        mStorePasswdInConfig = true;
+      }
+    }
+
+    // delete password from the wallet if password storage is disabled
+    if (!storePasswd() && !Wallet::keyDoesNotExist(
+        Wallet::NetworkWallet(), "kmail", "account-" + QString::number(mId))) {
+      Wallet *wallet = kmkernel->wallet();
+      if (wallet)
+        wallet->removeEntry( "account-" + QString::number(mId) );
+    }
+
+    config.writeEntry( "host", host() );
+    config.writeEntry( "port", static_cast<unsigned int>( port() ) );
+    config.writeEntry( "auth", auth() );
+    config.writeEntry( "use-ssl", useSSL() );
+    config.writeEntry( "use-tls", useTLS() );
+
+    mSieveConfig.writeConfig( config );
+  }
+
+  //
+  //
+  // Network processing
+  //
+  //
+
+  KURL NetworkAccount::getUrl() const {
+    KURL url;
+    url.setProtocol( protocol() );
+    url.setUser( login() );
+    url.setPass( passwd() );
+    url.setHost( host() );
+    url.setPort( port() );
+    return url;
+  }
+
+  MetaData NetworkAccount::slaveConfig() const {
+    MetaData m;
+    m.insert( "tls", useTLS() ? "on" : "off" );
+    return m;
+  }
+
+  void NetworkAccount::pseudoAssign( const KMAccount * a ) {
+    KMAccount::pseudoAssign( a );
+
+    const NetworkAccount * n = dynamic_cast<const NetworkAccount*>( a );
+    if ( !n ) return;
+
+    setLogin( n->login() );
+    setPasswd( n->passwd(), n->storePasswd() );
+    setHost( n->host() );
+    setPort( n->port() );
+    setAuth( n->auth() );
+    setUseSSL( n->useSSL() );
+    setUseTLS( n->useTLS() );
+    setSieveConfig( n->sieveConfig() );
+  }
+
+  void NetworkAccount::readPassword() {
+    if ( !storePasswd() )
+      return;
+
+    // ### workaround for broken Wallet::keyDoesNotExist() which returns wrong
+    // results for new entries without closing and reopening the wallet
+    if ( Wallet::isOpen( Wallet::NetworkWallet() ) )
+    {
+       Wallet *wallet = kmkernel->wallet();
+       if (!wallet || !wallet->hasEntry( "account-" + QString::number(mId) ) )
+         return;
+    }
+    else
+    {
+       if (Wallet::keyDoesNotExist( Wallet::NetworkWallet(), "kmail", "account-" + QString::number(mId) ) )
+         return;
+    }
+
+    if ( kmkernel->wallet() ) {
+      QString passwd;
+      kmkernel->wallet()->readPassword( "account-" + QString::number(mId), passwd );
+      setPasswd( passwd, true );
+      mPasswdDirty = false;
+    }
+  }
+
+  void NetworkAccount::setCheckingMail( bool checking )
+  {
+      mCheckingMail = checking;
+      if ( host().isEmpty() )
+          return;
+    if ( checking ) {
+        if ( s_serverConnections.find( host() ) != s_serverConnections.end() )
+            s_serverConnections[host()] += 1;
+        else
+            s_serverConnections[host()] = 1;
+        kdDebug(5006) << "check mail started - connections for host "
+                << host() << " now is "
+                << s_serverConnections[host()] << endl;
+    } else {
+            if ( s_serverConnections.find( host() ) != s_serverConnections.end() &&
+                s_serverConnections[host()] > 0 ) {
+                s_serverConnections[host()] -= 1;
+                kdDebug(5006) << "connections to server " << host()
+                        << " now " << s_serverConnections[host()] << endl;
+            }
+    }
+}
+  
+  bool NetworkAccount::mailCheckCanProceed() const
+  {
+      bool offlineMode = KMKernel::isOffline();
+
+      kdDebug(5006) << "for host " << host()
+              << " current connections="
+              << (s_serverConnections.find(host())==s_serverConnections.end() ? 0 : s_serverConnections[host()])
+              << " and limit is " << GlobalSettings::self()->maxConnectionsPerHost()
+              << endl;
+      bool connectionLimitForHostReached = !host().isEmpty()
+              && GlobalSettings::self()->maxConnectionsPerHost() > 0
+              && s_serverConnections.find( host() ) != s_serverConnections.end()
+              && s_serverConnections[host()] >= GlobalSettings::self()->maxConnectionsPerHost();
+      kdDebug(5006) << "connection limit reached: "
+              << connectionLimitForHostReached << endl;
+      
+      return ( !connectionLimitForHostReached && !offlineMode );
+  }
+
+  void NetworkAccount::resetConnectionList( NetworkAccount* acct )
+  {
+    s_serverConnections[ acct->host() ] = 0;
+  }
+
+} // namespace KMail
+
+#include "networkaccount.moc"