remove raw pointer interfaces

Crypto/include/Poco/Crypto/Cipher.h

@@ -19,6 +19,7 @@
 
 
 #include "Poco/Crypto/Crypto.h"
+#include "Poco/Crypto/CryptoTransform.h"
 #include "Poco/RefCountedObject.h"
 #include "Poco/AutoPtr.h"
 #include <istream>
@@ -30,9 +31,6 @@ namespace Poco {
 namespace Crypto {
 
 
-class CryptoTransform;
-
-
 class Crypto_API Cipher: public Poco::RefCountedObject
 	/// Represents the abstract base class from which all implementations of
 	/// symmetric/asymmetric encryption algorithms must inherit.  Use the CipherFactory
@@ -75,10 +73,10 @@ class Crypto_API Cipher: public Poco::RefCountedObject
 	///     // and write pass it to the underlying file stream.
 	///     Poco::FileOutputStream sink("encrypted.dat");
 	///     CryptoOutputStream encryptor(sink, pCipher->createEncryptor());
-	///     
+	///
 	///     Poco::FileInputStream source("source.txt");
 	///     Poco::StreamCopier::copyStream(source, encryptor);
-	///     
+	///
 	///     // Always close output streams to flush all internal buffers
 	///     encryptor.close();
 	///     sink.close();
@@ -95,7 +93,7 @@ class Crypto_API Cipher: public Poco::RefCountedObject
 		ENC_BINHEX       = 0x02, /// BinHex-encoded output
 		ENC_BASE64_NO_LF = 0x81, /// Base64-encoded output, no linefeeds
 		ENC_BINHEX_NO_LF = 0x82  /// BinHex-encoded output, no linefeeds
-		
+
 	};
 
 	virtual ~Cipher();
@@ -104,10 +102,10 @@ class Crypto_API Cipher: public Poco::RefCountedObject
 	virtual const std::string& name() const = 0;
 		/// Returns the name of the Cipher.
 
-	virtual CryptoTransform* createEncryptor() = 0;
+	virtual CryptoTransform::Ptr createEncryptor() = 0;
 		/// Creates an encryptor object to be used with a CryptoStream.
 
-	virtual CryptoTransform* createDecryptor() = 0;
+	virtual CryptoTransform::Ptr createDecryptor() = 0;
 		/// Creates a decryptor object to be used with a CryptoStream.
 
 	virtual std::string encryptString(const std::string& str, Encoding encoding = ENC_NONE);

Crypto/include/Poco/Crypto/CipherImpl.h

@@ -42,10 +42,10 @@ class CipherImpl: public Cipher
 	const std::string& name() const;
 		/// Returns the name of the cipher.
 
-	CryptoTransform* createEncryptor();
+	CryptoTransform::Ptr createEncryptor();
 		/// Creates an encryptor object.
 
-	CryptoTransform* createDecryptor();
+	CryptoTransform::Ptr createDecryptor();
 		/// Creates a decryptor object.
 
 private:

Crypto/include/Poco/Crypto/CryptoStream.h

@@ -20,6 +20,7 @@
 
 
 #include "Poco/Crypto/Crypto.h"
+#include "Poco/Crypto/CryptoTransform.h"
 #include "Poco/BufferedStreamBuf.h"
 #include "Poco/Buffer.h"
 #include <iostream>
@@ -38,8 +39,8 @@ class Crypto_API CryptoStreamBuf: public Poco::BufferedStreamBuf
 	/// going through it.
 {
 public:
-	CryptoStreamBuf(std::istream& istr, CryptoTransform* pTransform, std::streamsize bufferSize = 8192);
-	CryptoStreamBuf(std::ostream& ostr, CryptoTransform* pTransform, std::streamsize bufferSize = 8192);
+	CryptoStreamBuf(std::istream& istr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize = 8192);
+	CryptoStreamBuf(std::ostream& ostr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize = 8192);
 
 	virtual ~CryptoStreamBuf();
 
@@ -51,7 +52,7 @@ class Crypto_API CryptoStreamBuf: public Poco::BufferedStreamBuf
 	int writeToDevice(const char* buffer, std::streamsize length);
 
 private:
-	CryptoTransform* _pTransform;
+	CryptoTransform::Ptr _pTransform;
 	std::istream*	 _pIstr;
 	std::ostream*	 _pOstr;
 	bool			 _eof;
@@ -70,8 +71,8 @@ class Crypto_API CryptoIOS: public virtual std::ios
 	/// stream buffer and base classes.
 {
 public:
-	CryptoIOS(std::istream& istr, CryptoTransform* pTransform, std::streamsize bufferSize = 8192);
-	CryptoIOS(std::ostream& ostr, CryptoTransform* pTransform, std::streamsize bufferSize = 8192);
+	CryptoIOS(std::istream& istr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize = 8192);
+	CryptoIOS(std::ostream& ostr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize = 8192);
 	~CryptoIOS();
 	CryptoStreamBuf* rdbuf();
 
@@ -89,7 +90,7 @@ class Crypto_API CryptoInputStream: public CryptoIOS, public std::istream
 	/// respectively.
 {
 public:
-	CryptoInputStream(std::istream& istr, CryptoTransform* pTransform, std::streamsize bufferSize = 8192);
+	CryptoInputStream(std::istream& istr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize = 8192);
 		/// Create a new CryptoInputStream object. The CryptoInputStream takes the
 		/// ownership of the given CryptoTransform object.
 
@@ -113,7 +114,7 @@ class Crypto_API CryptoOutputStream: public CryptoIOS, public std::ostream
 	/// to ensure completion of cryptographic transformation.
 {
 public:
-	CryptoOutputStream(std::ostream& ostr, CryptoTransform* pTransform, std::streamsize bufferSize = 8192);
+	CryptoOutputStream(std::ostream& ostr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize = 8192);
 		/// Create a new CryptoOutputStream object. The CryptoOutputStream takes the
 		/// ownership of the given CryptoTransform object.
 

Crypto/include/Poco/Crypto/CryptoTransform.h

@@ -19,6 +19,7 @@
 
 
 #include "Poco/Crypto/Crypto.h"
+#include "Poco/SharedPtr.h"
 #include <ios>
 
 
@@ -35,6 +36,8 @@ class Crypto_API CryptoTransform
 	/// perform encryption or decryption of data.
 {
 public:
+	using Ptr = Poco::SharedPtr<CryptoTransform>;
+
 	CryptoTransform();
 		/// Creates a new CryptoTransform object.
 

Crypto/include/Poco/Crypto/RSACipherImpl.h

@@ -30,9 +30,9 @@ namespace Crypto {
 
 
 class RSACipherImpl: public Cipher
-	/// An implementation of the Cipher class for 
+	/// An implementation of the Cipher class for
 	/// asymmetric (public-private key) encryption
-	/// based on the the RSA algorithm in OpenSSL's 
+	/// based on the the RSA algorithm in OpenSSL's
 	/// crypto library.
 	///
 	/// Encryption is using the public key, decryption
@@ -48,11 +48,11 @@ class RSACipherImpl: public Cipher
 
 	const std::string& name() const;
 		/// Returns the name of the Cipher.
-	
-	CryptoTransform* createEncryptor();
+
+	CryptoTransform::Ptr createEncryptor();
 		/// Creates an encryptor object.
 
-	CryptoTransform* createDecryptor();
+	CryptoTransform::Ptr createDecryptor();
 		/// Creates a decryptor object.
 
 private:

Crypto/src/CipherImpl.cpp

@@ -255,14 +255,14 @@ CipherImpl::~CipherImpl()
 }
 
 
-CryptoTransform* CipherImpl::createEncryptor()
+CryptoTransform::Ptr CipherImpl::createEncryptor()
 {
 	CipherKeyImpl::Ptr p = _key.impl();
 	return new CryptoTransformImpl(p->cipher(), p->getKey(), p->getIV(), CryptoTransformImpl::DIR_ENCRYPT);
 }
 
 
-CryptoTransform* CipherImpl::createDecryptor()
+CryptoTransform::Ptr CipherImpl::createDecryptor()
 {
 	CipherKeyImpl::Ptr p = _key.impl();
 	return new CryptoTransformImpl(p->cipher(), p->getKey(), p->getIV(), CryptoTransformImpl::DIR_DECRYPT);

Crypto/src/CryptoStream.cpp

@@ -32,7 +32,7 @@ namespace Crypto {
 //
 
 
-CryptoStreamBuf::CryptoStreamBuf(std::istream& istr, CryptoTransform* pTransform, std::streamsize bufferSize):
+CryptoStreamBuf::CryptoStreamBuf(std::istream& istr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize):
 	Poco::BufferedStreamBuf(bufferSize, std::ios::in),
 	_pTransform(pTransform),
 	_pIstr(&istr),
@@ -45,7 +45,7 @@ CryptoStreamBuf::CryptoStreamBuf(std::istream& istr, CryptoTransform* pTransform
 }
 
 
-CryptoStreamBuf::CryptoStreamBuf(std::ostream& ostr, CryptoTransform* pTransform, std::streamsize bufferSize):
+CryptoStreamBuf::CryptoStreamBuf(std::ostream& ostr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize):
 	Poco::BufferedStreamBuf(bufferSize, std::ios::out),
 	_pTransform(pTransform),
 	_pIstr(0),
@@ -67,7 +67,6 @@ CryptoStreamBuf::~CryptoStreamBuf()
 	catch (...)
 	{
 	}
-	delete _pTransform;
 }
 
 
@@ -86,10 +85,10 @@ void CryptoStreamBuf::close()
 		// thrown.
 		std::ostream* pOstr = _pOstr;
 		_pOstr = 0;
-		
+
 		// Finalize transformation.
 		std::streamsize n = _pTransform->finalize(_buffer.begin(), static_cast<std::streamsize>(_buffer.size()));
-		
+
 		if (n > 0)
 		{
 			pOstr->write(reinterpret_cast<char*>(_buffer.begin()), n);
@@ -193,14 +192,14 @@ int CryptoStreamBuf::writeToDevice(const char* buffer, std::streamsize length)
 //
 
 
-CryptoIOS::CryptoIOS(std::istream& istr, CryptoTransform* pTransform, std::streamsize bufferSize):
+CryptoIOS::CryptoIOS(std::istream& istr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize):
 	_buf(istr, pTransform, bufferSize)
 {
 	poco_ios_init(&_buf);
 }
 
 
-CryptoIOS::CryptoIOS(std::ostream& ostr, CryptoTransform* pTransform, std::streamsize bufferSize):
+CryptoIOS::CryptoIOS(std::ostream& ostr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize):
 	_buf(ostr, pTransform, bufferSize)
 {
 	poco_ios_init(&_buf);
@@ -223,7 +222,7 @@ CryptoStreamBuf* CryptoIOS::rdbuf()
 //
 
 
-CryptoInputStream::CryptoInputStream(std::istream& istr, CryptoTransform* pTransform, std::streamsize bufferSize):
+CryptoInputStream::CryptoInputStream(std::istream& istr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize):
 	CryptoIOS(istr, pTransform, bufferSize),
 	std::istream(&_buf)
 {
@@ -247,7 +246,7 @@ CryptoInputStream::~CryptoInputStream()
 //
 
 
-CryptoOutputStream::CryptoOutputStream(std::ostream& ostr, CryptoTransform* pTransform, std::streamsize bufferSize):
+CryptoOutputStream::CryptoOutputStream(std::ostream& ostr, CryptoTransform::Ptr pTransform, std::streamsize bufferSize):
 	CryptoIOS(ostr, pTransform, bufferSize),
 	std::ostream(&_buf)
 {

Crypto/src/RSACipherImpl.cpp

@@ -329,13 +329,13 @@ RSACipherImpl::~RSACipherImpl()
 }
 
 
-CryptoTransform* RSACipherImpl::createEncryptor()
+CryptoTransform::Ptr RSACipherImpl::createEncryptor()
 {
 	return new RSAEncryptImpl(_key.impl()->getRSA(), _paddingMode);
 }
 
 
-CryptoTransform* RSACipherImpl::createDecryptor()
+CryptoTransform::Ptr RSACipherImpl::createDecryptor()
 {
 	return new RSADecryptImpl(_key.impl()->getRSA(), _paddingMode);
 }

Crypto/testsuite/src/CryptoTest.cpp

@@ -222,7 +222,7 @@ void CryptoTest::testEncryptDecryptGCM()
 	for (std::size_t n = 1; n < MAX_DATA_SIZE; n++)
 	{
 		std::stringstream str;
-		CryptoTransform* pEncryptor = pCipher->createEncryptor();
+		CryptoTransform::Ptr pEncryptor = pCipher->createEncryptor();
 		CryptoOutputStream encryptorStream(str, pEncryptor);
 		std::string in(n, 'x');
 		encryptorStream << in;
@@ -231,7 +231,7 @@ void CryptoTest::testEncryptDecryptGCM()
 
 		std::string tag = pEncryptor->getTag();
 
-		CryptoTransform* pDecryptor = pCipher->createDecryptor();
+		CryptoTransform::Ptr pDecryptor = pCipher->createDecryptor();
 		pDecryptor->setTag(tag);
 		CryptoInputStream decryptorStream(str, pDecryptor);
 		std::string out;
@@ -318,7 +318,7 @@ void CryptoTest::testStreams()
 	DecryptingInputStream decryptor(sstr, *pCipher);
 	std::string result;
 	Poco::StreamCopier::copyToString(decryptor, result);
-	
+
 	assertTrue (result == SECRET_MESSAGE);
 	assertTrue (decryptor.eof());
 	assertTrue (!decryptor.bad());