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281 lines
9.4 KiB
281 lines
9.4 KiB
/*
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* messagecomposer.cpp
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*
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* Copyright (c) 2004 Bo Thorsen <bo@sonofthor.dk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of this program with any edition of
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* the TQt library by Trolltech AS, Norway (or with modified versions
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* of TQt that use the same license as TQt), and distribute linked
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* combinations including the two. You must obey the GNU General
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* Public License in all respects for all of the code used other than
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* TQt. If you modify this file, you may extend this exception to
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* your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from
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* your version.
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*/
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#ifndef MESSAGECOMPOSER_H
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#define MESSAGECOMPOSER_H
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#include "kmmsgpart.h"
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#include "keyresolver.h"
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#include <tqobject.h>
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#include <tqvaluevector.h>
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#include <mimelib/mediatyp.h>
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#include <kleo/cryptobackend.h>
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#include <kpgp.h>
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#include <vector>
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class KMMessage;
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class KMComposeWin;
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class MessageComposerJob;
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class EncryptMessageJob;
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class SetLastMessageAsUnencryptedVersionOfLastButOne;
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namespace Kleo {
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class KeyResolver;
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}
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namespace GpgME {
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class Key;
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}
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namespace KPIM {
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class Identity;
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}
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class MessageComposer : public TQObject {
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TQ_OBJECT
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friend class ::MessageComposerJob;
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friend class ::EncryptMessageJob;
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friend class ::SetLastMessageAsUnencryptedVersionOfLastButOne;
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public:
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class KeyResolver;
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MessageComposer( KMComposeWin* win, const char* name=0 );
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~MessageComposer();
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/**
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* Applies the user changes to the message object of the composer
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* and signs/encrypts the message if activated. Returns FALSE in
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* case of an error (e.g. if PGP encryption fails).
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* If backgroundMode is true then no functions which might require
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* user interaction (like signing/encrypting) are performed
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*/
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void applyChanges( bool disableCrypto );
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TQString originalBCC() const { return mBcc; }
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void setDisableBreaking( bool b ) { mDisableBreaking = b; }
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const TQValueVector<KMMessage*> & composedMessageList() const {
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return mMessageList;
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}
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bool isPerformingSignOperation() const { return mPerformingSignOperation; }
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signals:
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void done( bool );
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private:
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void readFromComposeWin();
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void adjustCryptFlags();
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bool encryptWithChiasmus( const Kleo::CryptoBackend::Protocol * chiasmus,
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const TQByteArray& body,
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TQByteArray& resultData );
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void chiasmusEncryptAllAttachments();
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void composeChiasmusMessage( KMMessage& theMessage, Kleo::CryptoMessageFormat format );
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// This is the composeMessage method
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void composeMessage();
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// And these two are the parts that should be run after job completions
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void createUnencryptedMessageVersion();
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/**
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* Internal helper function called from applyChanges(void) to allow
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* processing several messages (encrypted or unencrypted) based on
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* the same composer content.
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* That's useful for storing decrypted versions of messages which
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* were sent in encrypted form. (khz, 2002/06/24)
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*/
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void composeMessage( KMMessage& theMessage,
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bool doSign, bool doEncrypt,
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Kleo::CryptoMessageFormat format );
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void continueComposeMessage( KMMessage& theMessage, bool doSign,
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bool doEncrypt,
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Kleo::CryptoMessageFormat format );
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/**
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* Called by composeMessage for inline-openpgp messages
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*/
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void composeInlineOpenPGPMessage( KMMessage& theMessage,
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bool doSign, bool doEncrypt );
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/**
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* Get message ready for sending or saving.
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* This must be done _before_ signing and/or encrypting it.
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*/
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TQByteArray breakLinesAndApplyCodec();
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/**
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* Create a plain text version of a marked up mail for use as the plain
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* part in a multipart/alternative mail.
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*/
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TQCString plainTextFromMarkup( const TQString& markupText );
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/**
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* Get signature for a message (into mMessage).
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* To build nice S/MIME objects signing and encoding must be separated.
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*/
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void pgpSignedMsg( const TQByteArray& cText, Kleo::CryptoMessageFormat f );
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/**
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* Get encrypted message.
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* To build nice S/MIME objects signing and encrypting must be separate.
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*/
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Kpgp::Result pgpEncryptedMsg( TQByteArray& rEncryptedBody,
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const TQByteArray& cText,
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const std::vector<GpgME::Key> & encryptionKeys,
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Kleo::CryptoMessageFormat f );
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/**
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* Get signed & encrypted message.
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* To build nice S/MIME objects signing and encrypting must be separate.
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*/
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Kpgp::Result pgpSignedAndEncryptedMsg( TQByteArray& rEncryptedBody,
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const TQByteArray& cText,
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const std::vector<GpgME::Key> & signingKeys,
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const std::vector<GpgME::Key> & encryptionKeys,
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Kleo::CryptoMessageFormat f );
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/**
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* Check for expiry of various certificates.
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*/
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bool checkForEncryptCertificateExpiry( const TQString& recipient,
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const TQCString& certFingerprint );
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/**
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* Build a MIME object (or a flat text resp.) based upon
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* structuring information returned by a crypto plugin that was
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* called via pgpSignedMsg() (or pgpEncryptedMsg(), resp.).
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*
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* NOTE: The c string representation of the MIME object (or the
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* flat text, resp.) is returned in resultingPart, so just
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* use this string as body text of the surrounding MIME object.
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* This string *is* encoded according to contentTEncClear
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* and thus should be ready for being sent via SMTP.
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*/
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bool processStructuringInfo( const TQString bugURL,
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const TQString contentDescriptionClear,
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const TQCString contentTypeClear,
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const TQCString contentSubtypeClear,
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const TQCString contentDispClear,
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const TQCString contentTEncClear,
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const TQByteArray& bodytext,
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const TQString contentDescriptionCiph,
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const TQByteArray& ciphertext,
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KMMessagePart& resultingPart,
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bool signing, Kleo::CryptoMessageFormat format );
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void encryptMessage( KMMessage* msg, const Kleo::KeyResolver::SplitInfo & si,
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bool doSign, bool doEncrypt,
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KMMessagePart newBodyPart,
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Kleo::CryptoMessageFormat format );
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void addBodyAndAttachments( KMMessage* msg, const Kleo::KeyResolver::SplitInfo & si,
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bool doSign, bool doEncrypt,
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const KMMessagePart& ourFineBodyPart,
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Kleo::CryptoMessageFormat format );
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private slots:
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void slotDoNextJob();
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private:
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void doNextJob();
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void emitDone( bool ok );
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int encryptionPossible( const TQStringList & recipients, bool openPGP );
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bool determineWhetherToSign( bool doSignCompletely );
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bool determineWhetherToEncrypt( bool doEncryptCompletely );
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void markAllAttachmentsForSigning( bool sign );
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void markAllAttachmentsForEncryption( bool enc );
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KMComposeWin* mComposeWin;
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MessageComposerJob * mCurrentJob;
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KMMessage* mReferenceMessage;
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TQValueVector<KMMessage*> mMessageList;
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Kleo::KeyResolver * mKeyResolver;
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TQCString mSignCertFingerprint;
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struct Attachment {
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Attachment( KMMessagePart * p=0, bool s=false, bool e=false )
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: part( p ), sign( s ), encrypt( e ) {}
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KMMessagePart * part;
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bool sign;
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bool encrypt;
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};
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TQValueVector<Attachment> mAttachments;
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TQString mPGPSigningKey, mSMIMESigningKey;
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bool mUseOpportunisticEncryption;
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bool mSignBody, mEncryptBody;
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bool mSigningRequested, mEncryptionRequested;
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bool mDoSign, mDoEncrypt;
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unsigned int mAllowedCryptoMessageFormats;
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bool mDisableCrypto;
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bool mDisableBreaking;
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TQString mBcc;
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TQStringList mTo, mCc, mBccList;
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bool mDebugComposerCrypto;
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bool mAutoCharset;
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TQCString mCharset;
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bool mIsRichText;
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uint mIdentityUid;
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bool mRc; // Set this to false, if something fails during the processes
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bool mHoldJobs; // Don't run the next job yet
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TQByteArray mText; // textual representation of the message text, encoded
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unsigned int mLineBreakColumn; // used for line breaking
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// These are the variables of the big composeMessage(X,Y,Z) message
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KMMessagePart* mNewBodyPart;
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TQByteArray mSignature;
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TQByteArray mEncodedBody; // Only needed if signing and/or encrypting
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bool mEarlyAddAttachments, mAllAttachmentsAreInBody;
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KMMessagePart mOldBodyPart;
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int mPreviousBoundaryLevel;
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// The boundary is saved for later addition into mp/a body
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DwString mSaveBoundary;
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TQCString mMultipartMixedBoundary;
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TQValueList<MessageComposerJob*> mJobs;
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bool mEncryptWithChiasmus;
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bool mPerformingSignOperation;
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};
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#endif /* MESSAGECOMPOSER_H */
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