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