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tdepim/libtdenetwork/gpgmepp/context.h

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/* context.h - wraps a gpgme key context
Copyright (C) 2003 Klarälvdalens Datakonsult AB
This file is part of GPGME++.
GPGME++ 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.
GPGME++ 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 GPGME++; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
#ifndef __GPGMEPP_CONTEXT_H__
#define __GPGMEPP_CONTEXT_H__
#include <gpgmepp/gpgmefw.h>
#include <vector>
#include <utility>
#include <iosfwd>
#include <kdemacros.h>
namespace GpgME {
class Key;
class Data;
class TrustItem;
class ProgressProvider;
class PassphraseProvider;
class EventLoopInteractor;
class KeyListResult;
class KeyGenerationResult;
class ImportResult;
class DecryptionResult;
class VerificationResult;
class SigningResult;
class EncryptionResult;
class EngineInfo;
class KDE_EXPORT Error {
public:
Error( int e=0 ) : mErr( e ) {}
const char * source() const;
const char * asString() const;
int code() const;
int sourceID() const;
bool isCanceled() const;
operator int() const { return mErr; }
operator bool() const { return mErr && !isCanceled(); }
private:
int mErr;
};
KDE_EXPORT std::ostream & operator<<( std::ostream & os, Error err );
class KDE_EXPORT Context {
Context( gpgme_ctx_t );
public:
enum Protocol { OpenPGP, CMS, Unknown };
//
// Creation and destruction:
//
static Context * createForProtocol( Protocol proto );
virtual ~Context();
//
// Context Attributes
//
Protocol protocol() const;
void setArmor( bool useArmor );
bool armor() const;
void setTextMode( bool useTextMode );
bool textMode() const;
enum CertificateInclusion {
DefaultCertificates = -256,
AllCertificatesExceptRoot = -2,
AllCertificates = -1,
NoCertificates = 0,
OnlySenderCertificate = 1
};
void setIncludeCertificates( int which );
int includeCertificates() const;
enum KeyListMode {
Local = 0x1,
Extern = 0x2,
Signatures = 0x4,
Validate = 0x10
};
void setKeyListMode( unsigned int keyListMode );
void addKeyListMode( unsigned int keyListMode );
unsigned int keyListMode() const;
void setPassphraseProvider( PassphraseProvider * provider );
PassphraseProvider * passphraseProvider() const;
void setProgressProvider( ProgressProvider * provider );
ProgressProvider * progressProvider() const;
void setManagedByEventLoopInteractor( bool managed );
bool managedByEventLoopInteractor() const;
GpgME::Error setLocale( int category, const char * value );
private:
friend class EventLoopInteractor;
void installIOCallbacks( gpgme_io_cbs * iocbs );
void uninstallIOCallbacks();
public:
//
//
// Key Management
//
//
//
// Key Listing
//
GpgME::Error startKeyListing( const char * pattern=0, bool secretOnly=false );
GpgME::Error startKeyListing( const char * patterns[], bool secretOnly=false );
Key nextKey( GpgME::Error & e );
KeyListResult endKeyListing();
KeyListResult keyListResult() const;
Key key( const char * fingerprint, GpgME::Error & e, bool secret=false );
//
// Key Generation
//
KeyGenerationResult generateKey( const char * parameters, Data & pubKey );
GpgME::Error startKeyGeneration( const char * parameters, Data & pubkey );
KeyGenerationResult keyGenerationResult() const;
//
// Key Export
//
GpgME::Error exportPublicKeys( const char * pattern, Data & keyData );
GpgME::Error exportPublicKeys( const char * pattern[], Data & keyData );
GpgME::Error startPublicKeyExport( const char * pattern, Data & keyData );
GpgME::Error startPublicKeyExport( const char * pattern[], Data & keyData );
//
// Key Import
//
ImportResult importKeys( const Data & data );
GpgME::Error startKeyImport( const Data & data );
ImportResult importResult() const;
//
// Key Deletion
//
GpgME::Error deleteKey( const Key & key, bool allowSecretKeyDeletion=false );
GpgME::Error startKeyDeletion( const Key & key, bool allowSecretKeyDeletion=false );
//
// Trust Item Management
//
GpgME::Error startTrustItemListing( const char * pattern, int maxLevel );
TrustItem nextTrustItem( GpgME::Error & e );
GpgME::Error endTrustItemListing();
//
//
// Crypto Operations
//
//
//
// Decryption
//
DecryptionResult decrypt( const Data & cipherText, Data & plainText );
GpgME::Error startDecryption( const Data & cipherText, Data & plainText );
DecryptionResult decryptionResult() const;
//
// Signature Verification
//
VerificationResult verifyDetachedSignature( const Data & signature, const Data & signedText );
VerificationResult verifyOpaqueSignature( const Data & signedData, Data & plainText );
GpgME::Error startDetachedSignatureVerification( const Data & signature, const Data & signedText );
GpgME::Error startOpaqueSignatureVerification( const Data & signedData, Data & plainText );
VerificationResult verificationResult() const;
//
// Combined Decryption and Signature Verification
//
std::pair<DecryptionResult,VerificationResult> decryptAndVerify( const Data & cipherText, Data & plainText );
GpgME::Error startCombinedDecryptionAndVerification( const Data & cipherText, Data & plainText );
// use verificationResult() and decryptionResult() to retrieve the result objects...
//
// Signing
//
void clearSigningKeys();
GpgME::Error addSigningKey( const Key & signer );
Key signingKey( unsigned int index ) const;
enum SignatureMode { Normal, Detached, Clearsigned };
SigningResult sign( const Data & plainText, Data & signature, SignatureMode mode );
GpgME::Error startSigning( const Data & plainText, Data & signature, SignatureMode mode );
SigningResult signingResult() const;
//
// Encryption
//
enum EncryptionFlags { None=0, AlwaysTrust=1 };
EncryptionResult encrypt( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags );
GpgME::Error encryptSymmetrically( const Data & plainText, Data & cipherText );
GpgME::Error startEncryption( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags );
EncryptionResult encryptionResult() const;
//
// Combined Signing and Encryption
//
std::pair<SigningResult,EncryptionResult> signAndEncrypt( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags );
GpgME::Error startCombinedSigningAndEncryption( const std::vector<Key> & recipients, const Data & plainText, Data & cipherText, EncryptionFlags flags );
// use encryptionResult() and signingResult() to retrieve the result objects...
//
//
// Audit Log
//
//
enum AuditLogFlags {
HtmlAuditLog = 1,
AuditLogWithHelp = 128
};
GpgME::Error startGetAuditLog( Data & output, unsigned int flags=0 );
GpgME::Error getAuditLog( Data & output, unsigned int flags=0 );
//
//
// Run Control
//
//
bool poll();
GpgME::Error wait();
GpgME::Error lastError() const;
GpgME::Error cancelPendingOperation();
class Private;
Private * impl() const { return d; }
private:
Private * d;
private: // disable...
Context( const Context & );
const Context & operator=( const Context & );
};
KDE_EXPORT std::ostream & operator<<( std::ostream & os, Context::Protocol proto );
KDE_EXPORT std::ostream & operator<<( std::ostream & os, Context::CertificateInclusion incl );
KDE_EXPORT std::ostream & operator<<( std::ostream & os, Context::KeyListMode mode );
KDE_EXPORT std::ostream & operator<<( std::ostream & os, Context::SignatureMode mode );
KDE_EXPORT std::ostream & operator<<( std::ostream & os, Context::EncryptionFlags flags );
KDE_EXPORT std::ostream & operator<<( std::ostream & os, Context::AuditLogFlags flags );
//
//
// Globals
//
//
KDE_EXPORT void initializeLibrary();
KDE_EXPORT GpgME::Error setDefaultLocale( int category, const char * value );
KDE_EXPORT Context * wait( GpgME::Error & e, bool hang=true );
typedef void (*IdleFunction)(void);
KDE_EXPORT IdleFunction registerIdleFunction( IdleFunction idleFunction );
typedef void (*IOCallback)( void * data, int fd );
KDE_EXPORT EngineInfo engineInfo( Context::Protocol proto );
KDE_EXPORT GpgME::Error checkEngine( Context::Protocol proto );
enum Feature {
ValidatingKeylistModeFeature = 0x00000001,
CancelOperationFeature = 0x00000002,
WrongKeyUsageFeature = 0x00000004,
AuditLogFeature = 0x00001000,
FeatureMaxValue = 0x80000000
};
KDE_EXPORT bool hasFeature( unsigned long feature );
} // namespace GpgME
#endif // __GPGMEPP_CONTEXT_H__