/usr/include/KF5/messageviewer/messagepart.h is in libkf5messageviewer-dev 4:16.04.3-3~deb9u1.
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Copyright (c) 2015 Sandro Knauß <sknauss@kde.org>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#ifndef _MESSAGEVIEWER_MESSAGEPART_H_
#define _MESSAGEVIEWER_MESSAGEPART_H_
#include "partmetadata.h"
#include "nodehelper.h"
#include "messageviewer/bodypartformatter.h"
#include <KMime/Message>
#include <Libkleo/CryptoBackend>
#include <gpgme++/verificationresult.h>
#include <importresult.h>
#include <QString>
#include <QSharedPointer>
class QTextCodec;
namespace GpgME
{
class ImportResult;
}
namespace KMime
{
class Content;
}
namespace MessageViewer
{
class ObjectTreeParser;
class ObjectTreeSourceIf;
class HtmlWriter;
class NodeHelper;
class HTMLBlock
{
public:
typedef QSharedPointer<HTMLBlock> Ptr;
HTMLBlock()
: entered(false)
{ }
virtual ~HTMLBlock() { }
protected:
QString dir() const;
bool entered;
};
class EncapsulatedRFC822Block : public HTMLBlock
{
public:
EncapsulatedRFC822Block(MessageViewer::HtmlWriter *writer, MessageViewer::NodeHelper *nodeHelper, KMime::Content *node);
virtual ~EncapsulatedRFC822Block();
private:
void internalEnter();
void internalExit();
HtmlWriter *mWriter;
NodeHelper *mNodeHelper;
KMime::Content *mNode;
};
class EncryptedBlock : public HTMLBlock
{
public:
EncryptedBlock(MessageViewer::HtmlWriter *writer, const PartMetaData &block);
virtual ~EncryptedBlock();
private:
void internalEnter();
void internalExit();
HtmlWriter *mWriter;
const PartMetaData &mBlock;
};
class SignedBlock : public HTMLBlock
{
public:
SignedBlock(MessageViewer::HtmlWriter *writer, const PartMetaData &block,
const Kleo::CryptoBackend::Protocol *cryptoProto,
ObjectTreeSourceIf *source,
QString fromAddress, bool printing);
virtual ~SignedBlock();
private:
QString simpleHeader();
void internalEnter();
void internalExit();
const PartMetaData &mBlock;
HtmlWriter *mWriter;
const Kleo::CryptoBackend::Protocol *mCryptoProto;
ObjectTreeSourceIf *mSource;
QString mClass;
QString mFromAddress;
bool mPrinting;
};
class CryptoBlock: public HTMLBlock
{
public:
CryptoBlock(MessageViewer::ObjectTreeParser *otp, MessageViewer::PartMetaData *block, const Kleo::CryptoBackend::Protocol *cryptoProto, MessageViewer::ObjectTreeSourceIf *source, const QString &fromAddress, KMime::Content *node);
virtual ~CryptoBlock();
private:
void internalEnter();
void internalExit();
ObjectTreeParser *mOtp;
PartMetaData *mMetaData;
const Kleo::CryptoBackend::Protocol *mCryptoProto;
ObjectTreeSourceIf *mSource;
QString mFromAddress;
KMime::Content *mNode;
QVector<HTMLBlock::Ptr> mInteralBlocks;
};
// The attachment mark is a div that is placed around the attchment. It is used for drawing
// a yellow border around the attachment when scrolling to it. When scrolling to it, the border
// color of the div is changed, see KMReaderWin::scrollToAttachment().
class AttachmentMarkBlock : public HTMLBlock
{
public:
AttachmentMarkBlock(MessageViewer::HtmlWriter *writer, KMime::Content *node);
virtual ~AttachmentMarkBlock();
private:
void internalEnter();
void internalExit();
KMime::Content *mNode;
HtmlWriter *mWriter;
};
class TextBlock : public HTMLBlock
{
public:
TextBlock(MessageViewer::HtmlWriter *writer, MessageViewer::NodeHelper *nodeHelper, KMime::Content *node, bool link);
virtual ~TextBlock();
private:
void internalEnter();
void internalExit();
private:
HtmlWriter *mWriter;
NodeHelper *mNodeHelper;
KMime::Content *mNode;
QString mFileName;
bool mLink;
};
class HTMLWarnBlock : public HTMLBlock
{
public:
HTMLWarnBlock(MessageViewer::HtmlWriter *writer, const QString &msg);
virtual ~HTMLWarnBlock();
private:
void internalEnter();
void internalExit();
private:
HtmlWriter *mWriter;
const QString &mMsg;
};
// Make sure the whole content is relative, so that nothing is painted over the header
// if a malicious message uses absolute positioning.
// Also force word wrapping, which is useful for printing, see https://issues.kolab.org/issue3992.
class RootBlock : public HTMLBlock
{
public:
RootBlock(MessageViewer::HtmlWriter *writer);
virtual ~RootBlock();
private:
void internalEnter();
void internalExit();
HtmlWriter *mWriter;
};
class MessagePart : public Interface::MessagePart
{
public:
typedef QSharedPointer<MessagePart> Ptr;
MessagePart(ObjectTreeParser *otp,
const QString &text);
virtual ~MessagePart();
virtual QString text() const Q_DECL_OVERRIDE;
void setText(const QString &text);
virtual void html(bool decorate) Q_DECL_OVERRIDE;
void setAttachmentFlag(KMime::Content *node);
bool isAttachment() const;
PartMetaData *partMetaData();
/* only a function that should be removed if the refactoring is over */
virtual void fix() const;
virtual void copyContentFrom() const;
protected:
void parseInternal(KMime::Content *node, bool onlyOneMimePart);
void renderInternalHtml(bool decorate) const;
QString renderInternalText() const;
HTMLBlock::Ptr attachmentBlock() const;
QString mText;
ObjectTreeParser *mOtp;
ObjectTreeParser *mSubOtp;
MessagePart::Ptr mSubMessagePart;
PartMetaData mMetaData;
KMime::Content *mAttachmentNode;
};
class MimeMessagePart : public MessagePart
{
public:
typedef QSharedPointer<MimeMessagePart> Ptr;
MimeMessagePart(MessageViewer::ObjectTreeParser *otp, KMime::Content *node, bool onlyOneMimePart);
virtual ~MimeMessagePart();
QString text() const Q_DECL_OVERRIDE;
void html(bool decorate) Q_DECL_OVERRIDE;
private:
KMime::Content *mNode;
bool mOnlyOneMimePart;
friend class AlternativeMessagePart;
};
class MessagePartList : public MessagePart
{
public:
typedef QSharedPointer<MessagePartList> Ptr;
MessagePartList(MessageViewer::ObjectTreeParser *otp);
virtual ~MessagePartList();
QString text() const Q_DECL_OVERRIDE;
void html(bool decorate) Q_DECL_OVERRIDE;
void setIsRoot(bool root);
bool isRoot() const;
void appendMessagePart(const Interface::MessagePart::Ptr &messagePart);
const QVector<Interface::MessagePart::Ptr> &messageParts() const;
void fix() const Q_DECL_OVERRIDE;
void copyContentFrom() const Q_DECL_OVERRIDE;
protected:
HTMLBlock::Ptr rootBlock() const;
void htmlInternal(bool decorate);
private:
QVector<Interface::MessagePart::Ptr> mBlocks;
bool mRoot;
};
enum IconType {
NoIcon = 0,
IconExternal,
IconInline
};
class TextMessagePart : public MessagePartList
{
public:
typedef QSharedPointer<TextMessagePart> Ptr;
TextMessagePart(MessageViewer::ObjectTreeParser *otp, KMime::Content *node, bool drawFrame, bool showLink, bool decryptMessage, IconType asIcon);
virtual ~TextMessagePart();
void html(bool decorate) Q_DECL_OVERRIDE;
KMMsgSignatureState signatureState() const;
KMMsgEncryptionState encryptionState() const;
bool decryptMessage() const;
private:
void parseContent();
KMime::Content *mNode;
KMMsgSignatureState mSignatureState;
KMMsgEncryptionState mEncryptionState;
bool mDrawFrame;
bool mShowLink;
bool mDecryptMessage;
IconType mAsIcon;
};
class HtmlMessagePart : public MessagePart
{
public:
typedef QSharedPointer<HtmlMessagePart> Ptr;
HtmlMessagePart(MessageViewer::ObjectTreeParser *otp, KMime::Content *node, MessageViewer::ObjectTreeSourceIf *source);
virtual ~HtmlMessagePart();
QString text() const Q_DECL_OVERRIDE;
void html(bool decorate) Q_DECL_OVERRIDE;
void fix() const Q_DECL_OVERRIDE;
private:
QString processHtml(const QString &htmlSource, QString &extraHead);
KMime::Content *mNode;
ObjectTreeSourceIf *mSource;
QString mBodyHTML;
QByteArray mCharset;
};
class AlternativeMessagePart : public MessagePart
{
public:
typedef QSharedPointer<AlternativeMessagePart> Ptr;
AlternativeMessagePart(MessageViewer::ObjectTreeParser *otp, KMime::Content *textNode, KMime::Content *htmlNode);
virtual ~AlternativeMessagePart();
QString text() const Q_DECL_OVERRIDE;
void html(bool decorate) Q_DECL_OVERRIDE;
void setViewHtml(bool html);
bool viewHtml() const;
void fix() const Q_DECL_OVERRIDE;
void copyContentFrom() const Q_DECL_OVERRIDE;
private:
KMime::Content *mTextNode;
KMime::Content *mHTMLNode;
MimeMessagePart::Ptr mTextPart;
MimeMessagePart::Ptr mHTMLPart;
bool mViewHtml;
};
class CertMessagePart : public MessagePart
{
public:
typedef QSharedPointer<CertMessagePart> Ptr;
CertMessagePart(MessageViewer::ObjectTreeParser *otp, KMime::Content *node, const Kleo::CryptoBackend::Protocol *cryptoProto, bool autoImport);
virtual ~CertMessagePart();
QString text() const Q_DECL_OVERRIDE;
void html(bool decorate) Q_DECL_OVERRIDE;
private:
KMime::Content *mNode;
bool mAutoImport;
GpgME::ImportResult mImportResult;
const Kleo::CryptoBackend::Protocol *mCryptoProto;
};
class EncapsulatedRfc822MessagePart : public MessagePart
{
public:
typedef QSharedPointer<EncapsulatedRfc822MessagePart> Ptr;
EncapsulatedRfc822MessagePart(MessageViewer::ObjectTreeParser *otp, KMime::Content *node, const KMime::Message::Ptr &message);
virtual ~EncapsulatedRfc822MessagePart();
QString text() const Q_DECL_OVERRIDE;
void html(bool decorate) Q_DECL_OVERRIDE;
void copyContentFrom() const Q_DECL_OVERRIDE;
void fix() const Q_DECL_OVERRIDE;
private:
const KMime::Message::Ptr mMessage;
KMime::Content *mNode;
};
class CryptoMessagePart : public MessagePart
{
public:
typedef QSharedPointer<CryptoMessagePart> Ptr;
CryptoMessagePart(ObjectTreeParser *otp,
const QString &text,
const Kleo::CryptoBackend::Protocol *cryptoProto,
const QString &fromAddress,
KMime::Content *node);
virtual ~CryptoMessagePart();
void setDecryptMessage(bool decrypt);
bool decryptMessage() const;
void setIsEncrypted(bool encrypted);
bool isEncrypted() const;
void startDecryption(const QByteArray &text, const QTextCodec *aCodec);
void startDecryption(KMime::Content *data = 0);
void startVerification(const QByteArray &text, const QTextCodec *aCodec);
void startVerificationDetached(const QByteArray &text, KMime::Content *textNode, const QByteArray &signature);
void html(bool decorate) Q_DECL_OVERRIDE;
bool mPassphraseError;
QByteArray mDecryptedData;
std::vector<GpgME::Signature> mSignatures;
private:
/** Writes out the block that we use when the node is encrypted,
but we're deferring decryption for later. */
void writeDeferredDecryptionBlock() const;
protected:
const Kleo::CryptoBackend::Protocol *mCryptoProto;
QString mFromAddress;
KMime::Content *mNode;
bool mDecryptMessage;
QByteArray mVerifiedText;
};
}
#endif //_MESSAGEVIEWER_MESSAGEPART_H_
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