/* kpgpblock.h Copyright (C) 2001,2002 the KPGP authors See file AUTHORS.kpgp for details This file is part of KPGP, the KDE PGP/GnuPG support library. KPGP 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. 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 */ #ifndef KPGPBLOCK_H #define KPGPBLOCK_H #include "libkpgp_export.h" #include "kpgp.h" #include #include namespace Kpgp { #ifdef ERROR # undef ERROR #endif enum BlockType { UnknownBlock = -1, // BEGIN PGP ??? NoPgpBlock = 0, PgpMessageBlock = 1, // BEGIN PGP MESSAGE MultiPgpMessageBlock = 2, // BEGIN PGP MESSAGE, PART X[/Y] SignatureBlock = 3, // BEGIN PGP SIGNATURE ClearsignedBlock = 4, // BEGIN PGP SIGNED MESSAGE PublicKeyBlock = 5, // BEGIN PGP PUBLIC KEY BLOCK PrivateKeyBlock = 6 // BEGIN PGP PRIVATE KEY BLOCK (PGP 2.x: ...SECRET...) }; enum MessageStatus{ OK = 0x0000, RUN_ERR = 0x0001, ERROR = 0x0001, ENCRYPTED = 0x0002, SIGNED = 0x0004, GOODSIG = 0x0008, ERR_SIGNING = 0x0010, UNKNOWN_SIG = 0x0020, BADPHRASE = 0x0040, BADKEYS = 0x0080, NO_SEC_KEY = 0x0100, MISSINGKEY = 0x0200, CANCEL = 0x8000 }; /* * BEGIN PGP MESSAGE * Used for signed, encrypted, or compressed files. * * BEGIN PGP PUBLIC KEY BLOCK * Used for armoring public keys * * BEGIN PGP PRIVATE KEY BLOCK (PGP 2.x: BEGIN PGP SECRET KEY BLOCK) * Used for armoring private keys * * BEGIN PGP MESSAGE, PART X/Y * Used for multi-part messages, where the armor is split amongst Y * parts, and this is the Xth part out of Y. * * BEGIN PGP MESSAGE, PART X * Used for multi-part messages, where this is the Xth part of an * unspecified number of parts. Requires the MESSAGE-ID Armor * Header to be used. * * BEGIN PGP SIGNATURE * Used for detached signatures, OpenPGP/MIME signatures, and * signatures following clearsigned messages. Note that PGP 2.x * uses BEGIN PGP MESSAGE for detached signatures. * * BEGIN PGP SIGNED MESSAGE * Used for cleartext signed messages. */ class KPGP_EXPORT Block { public: explicit Block( const QByteArray& str = QByteArray() ); ~Block(); QByteArray text() const; void setText( const QByteArray& str ); void setProcessedText( const QByteArray& str ); int status() const; void setStatus( const int status ); BlockType type() const; /** is the message encrypted ? */ bool isEncrypted() const; /** is the message signed by someone */ bool isSigned() const; /** is the signature good ? */ bool goodSignature() const; /** returns the primary user id of the signer or a null string if we don't have the public key of the signer */ QString signatureUserId() const; void setSignatureUserId( const QString& userId ); /** keyID of signer */ QByteArray signatureKeyId() const; void setSignatureKeyId( const QByteArray& keyId ); /** date of the signature WARNING: Will most likely be changed to QDateTime */ QByteArray signatureDate() const; void setSignatureDate( const QByteArray& date ); /** the persons who can decrypt the message */ const QStringList encryptedFor() const; /** shows the secret key which is needed to decrypt the message */ QByteArray requiredKey() const; void setRequiredKey( const QByteArray& keyId ); QString requiredUserId() const; void setRequiredUserId( const QString& userId ); QByteArray error() const; void setError( const QByteArray& str ); /** Resets all information about this OpenPGP block */ void reset(); /** decrypts this OpenPGP block if the passphrase is good. returns false otherwise */ bool decrypt(); /** tries to verify this (clearsigned) OpenPGP block */ bool verify(); /** clearsigns this OpenPGP block with the key corresponding to the given key id. The charset is needed to display the text correctly. Returns false if there was an unresolvable error or if signing was canceled true if everything is o.k. */ Kpgp::Result clearsign( const QByteArray& keyId, const QByteArray& charset = QByteArray() ); /** encrypts this OpenPGP block for a list of persons. if sign is true then the message is signed with the key corresponding to the given key id. Returns false if there was an unresolvable error or if encryption was canceled true if everything is o.k. */ Kpgp::Result encrypt( const QStringList& receivers, const QByteArray& keyId, const bool sign, const QByteArray& charset = QByteArray() ); private: void clear(); BlockType determineType() const; QByteArray mText; QByteArray mProcessedText; QByteArray mError; QString mSignatureUserId; QByteArray mSignatureKeyId; QByteArray mSignatureDate; QByteArray mRequiredKey; QString mRequiredUserId; QStringList mEncryptedFor; int mStatus; bool mHasBeenProcessed; mutable BlockType mType; }; // -- inlined member functions --------------------------------------------- inline QByteArray Block::text() const { if( mHasBeenProcessed ) return mProcessedText; else return mText; } inline void Block::setText( const QByteArray& str ) { clear(); mText = str; } inline void Block::setProcessedText( const QByteArray& str ) { mProcessedText = str; mHasBeenProcessed = true; } inline QByteArray Block::error() const { return mError; } inline void Block::setError( const QByteArray& str ) { mError = str; } inline int Block::status() const { return mStatus; } inline void Block::setStatus( const int status ) { mStatus = status; } inline BlockType Block::type() const { if( mType == NoPgpBlock ) mType = determineType(); return mType; } inline QString Block::signatureUserId() const { return mSignatureUserId; } inline void Block::setSignatureUserId( const QString& userId ) { mSignatureUserId = userId; } inline QByteArray Block::signatureKeyId() const { return mSignatureKeyId; } inline void Block::setSignatureKeyId( const QByteArray& keyId ) { mSignatureKeyId = keyId; } inline QByteArray Block::signatureDate() const { return mSignatureDate; } inline void Block::setSignatureDate( const QByteArray& date ) { mSignatureDate = date; } inline QByteArray Block::requiredKey() const { return mRequiredKey; } inline void Block::setRequiredKey( const QByteArray& keyId ) { mRequiredKey = keyId; } inline QString Block::requiredUserId() const { return mRequiredUserId; } inline void Block::setRequiredUserId( const QString& userId ) { mRequiredUserId = userId; } inline const QStringList Block::encryptedFor() const { return mEncryptedFor; } inline bool Block::isEncrypted() const { if( mStatus & ENCRYPTED ) return true; return false; } inline bool Block::isSigned() const { if( mStatus & SIGNED ) return true; return false; } inline bool Block::goodSignature() const { if( mStatus & GOODSIG ) return true; return false; } /* inline bool Block::unknownSigner() const { if( mStatus & UNKNOWN_SIG ) return true; return false; } */ // ------------------------------------------------------------------------- } // namespace Kpgp #endif