xmlsecurity: instantiate SignatureVerifierImpl directly in XSecController

Going via UNO for a class in the same module sounds like an overkill.

Change-Id: Iaa5b31d1b888c8d3f1c9b47ee787504191ce3d7d
Reviewed-on: https://gerrit.libreoffice.org/31148
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>

3 files changed, 381 insertions, 0 deletions

diff --git a/xmlsecurity/inc/framework/securityengine.hxx b/xmlsecurity/inc/framework/securityengine.hxx
new file mode 100644
index 000000000000..964f5aeac565
--- /dev/null
+++ b/xmlsecurity/inc/framework/securityengine.hxx
@@ -0,0 +1,150 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SECURITYENGINE_HXX
+#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SECURITYENGINE_HXX
+
+#include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
+#include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
+#include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
+#include <com/sun/star/xml/crypto/sax/XMissionTaker.hpp>
+#include <com/sun/star/xml/crypto/sax/XSAXEventKeeper.hpp>
+#include <com/sun/star/xml/crypto/XXMLSignature.hpp>
+
+#include <cppuhelper/implbase.hxx>
+
+class SecurityEngine : public cppu::WeakImplHelper
+<
+    css::xml::crypto::sax::XReferenceResolvedListener,
+    css::xml::crypto::sax::XKeyCollector,
+    css::xml::crypto::sax::XMissionTaker
+>
+/****** securityengine.hxx/CLASS SecurityEngine *******************************
+ *
+ *   NAME
+ *  SecurityEngine -- Base class of SignatureEngine and EncryptionEngine
+ *
+ *   FUNCTION
+ *  Maintains common members and methods related with security engine
+ *  operation.
+ ******************************************************************************/
+{
+protected:
+
+    /*
+     * A SAXEventKeeper internally maintians all resources that a security
+     * operation needs. The m_xSAXEventKeeper member is used to release
+     * those resources when the security operation finishes.
+     */
+    css::uno::Reference< css::xml::crypto::sax::XSAXEventKeeper > m_xSAXEventKeeper;
+
+    /*
+     * the id of ElementCollector of the template element.
+     * For a signature, the template element is the Signature element,
+     * for a encryption, the EncryptedData/EncryptedKey element is.
+     */
+    sal_Int32 m_nIdOfTemplateEC;
+
+    /*
+     * remembers how many referenced elements have been bufferred completely,
+     * including the key element, template element, and referenced element of
+     * signature.
+     */
+    sal_Int32 m_nNumOfResolvedReferences;
+
+    /*
+     * the id of ElementCollector of the key element.
+     * If a Signature element or EncryptedData/EncryptedKey element has
+     * an internal key sub-element, then this member should be -1
+     */
+    sal_Int32 m_nIdOfKeyEC;
+
+    /*
+     * remembers whether the current operation has finished.
+     */
+    bool      m_bMissionDone;
+
+    /*
+     * the Id of the security entity, a signature or encryption, which is used for
+     * the result listener to identify the entity.
+     */
+    sal_Int32 m_nSecurityId;
+
+    /*
+     * the status of the operation
+     */
+    css::xml::crypto::SecurityOperationStatus m_nStatus;
+
+    /*
+     * the result listener, which will receives the security operation result.
+     */
+    css::uno::Reference< css::uno::XInterface > m_xResultListener;
+
+protected:
+    explicit SecurityEngine();
+    virtual ~SecurityEngine() override {};
+
+    /*
+     * perform the security operation.
+     * Any derived class will implement this method respectively.
+     */
+    virtual void tryToPerform( )
+        throw (css::uno::Exception, css::uno::RuntimeException){};
+
+    /*
+     * clear up all resources used by this operation.
+     * This method is called after the operation finishes, or a End-Your-Mission
+     * message is received.
+     * Any derived class will implement this method respectively.
+     */
+    virtual void clearUp( ) const {};
+
+        /*
+         * notifies any possible result listener.
+         * When verify a signature or conduct a decryption, the operation result will
+         * be transferred to a listener by this method.
+     * Any derived class will implement this method respectively.
+         */
+    virtual void notifyResultListener() const
+        throw (css::uno::Exception, css::uno::RuntimeException)
+        {};
+
+    /*
+     * checks whether everything is ready.
+     * Any derived class will implement this method respectively.
+     */
+    virtual bool checkReady() const { return true; };
+
+public:
+    /* XReferenceResolvedListener */
+    virtual void SAL_CALL referenceResolved( sal_Int32 referenceId )
+            throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+
+    /* XKeyCollector */
+    virtual void SAL_CALL setKeyId( sal_Int32 id )
+            throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+
+        /* XMissionTaker */
+        virtual sal_Bool SAL_CALL endMission(  )
+            throw (css::uno::RuntimeException, std::exception) override;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/framework/signatureengine.hxx b/xmlsecurity/inc/framework/signatureengine.hxx
new file mode 100644
index 000000000000..ee6c79abea98
--- /dev/null
+++ b/xmlsecurity/inc/framework/signatureengine.hxx
@@ -0,0 +1,127 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREENGINE_HXX
+#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREENGINE_HXX
+
+#include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
+#include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
+#include <com/sun/star/xml/crypto/sax/XReferenceCollector.hpp>
+#include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
+#include <com/sun/star/xml/crypto/sax/XMissionTaker.hpp>
+#include <com/sun/star/xml/crypto/sax/XSAXEventKeeper.hpp>
+#include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
+#include <com/sun/star/xml/crypto/XXMLSignature.hpp>
+#include <com/sun/star/xml/crypto/XUriBinding.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <cppuhelper/implbase.hxx>
+
+#include "xsecfwdllapi.h"
+#include "securityengine.hxx"
+
+#include <vector>
+
+class XSECFW_DLLPUBLIC SignatureEngine : public cppu::ImplInheritanceHelper
+<
+    SecurityEngine,
+    css::xml::crypto::sax::XReferenceCollector,
+    css::xml::crypto::XUriBinding
+>
+/****** signatureengine.hxx/CLASS SignatureEngine *****************************
+ *
+ *   NAME
+ *  SignatureEngine -- Base class of SignatureCreator and SignatureVerifier
+ *
+ *   FUNCTION
+ *  Maintains common members and methods related with signature operation.
+ ******************************************************************************/
+{
+private:
+    css::uno::Reference< css::uno::XComponentContext > m_xContext;
+
+protected:
+
+    /*
+     * the Signature bridge component, which performs signature generation
+     * and verification based on xmlsec library.
+     */
+    css::uno::Reference< css::xml::crypto::XXMLSignature > m_xXMLSignature;
+
+    /*
+     * a collection of ElementCollector's ids. Each ElementCollector
+     * represents one element signed by this signature.
+     */
+    std::vector< sal_Int32 > m_vReferenceIds;
+
+    /*
+     * remembers how many references this signature has.
+     */
+    sal_Int32 m_nTotalReferenceNumber;
+
+    /*
+     * a collection of Uri binding.
+     *
+     * the m_vUris is used to hold the Uri strings, and the m_vXInputStreams is used
+     * to hold corresponding binded XInputStream interface.
+     */
+    std::vector< OUString > m_vUris;
+    std::vector< css::uno::Reference< css::io::XInputStream > > m_vXInputStreams;
+
+protected:
+    explicit SignatureEngine( const css::uno::Reference< css::uno::XComponentContext > & xContext);
+    virtual ~SignatureEngine() override {};
+
+    virtual void tryToPerform( )
+        throw (css::uno::Exception, css::uno::RuntimeException) override;
+    virtual void clearUp( ) const override;
+    virtual bool checkReady() const override;
+
+    /*
+     * starts the main function. This method will be implemented by any sub-class.
+     * For a SignatureCreator, it performs signing operation;
+     * for a SignatureVerifier, verification operation is performed.
+     */
+    virtual void startEngine( const css::uno::Reference<
+                              css::xml::crypto::XXMLSignatureTemplate >&)
+        throw (css::uno::Exception, css::uno::RuntimeException)
+        {};
+
+public:
+    /* XReferenceCollector */
+    virtual void SAL_CALL setReferenceCount( sal_Int32 count )
+        throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+
+    virtual void SAL_CALL setReferenceId( sal_Int32 id )
+        throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+
+    /* XUriBinding */
+    virtual void SAL_CALL setUriBinding(
+        const OUString& uri,
+        const css::uno::Reference< css::io::XInputStream >& aInputStream )
+        throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+    virtual css::uno::Reference< css::io::XInputStream >
+        SAL_CALL getUriBinding( const OUString& uri )
+        throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/xmlsecurity/inc/framework/signatureverifierimpl.hxx b/xmlsecurity/inc/framework/signatureverifierimpl.hxx
new file mode 100644
index 000000000000..f31f7acda35e
--- /dev/null
+++ b/xmlsecurity/inc/framework/signatureverifierimpl.hxx
@@ -0,0 +1,104 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREVERIFIERIMPL_HXX
+#define INCLUDED_XMLSECURITY_INC_FRAMEWORK_SIGNATUREVERIFIERIMPL_HXX
+
+#include <com/sun/star/xml/crypto/sax/XSignatureVerifyResultListener.hpp>
+#include <com/sun/star/xml/crypto/sax/XSignatureVerifyResultBroadcaster.hpp>
+#include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <cppuhelper/implbase.hxx>
+
+#include "xsecfwdllapi.h"
+#include "signatureengine.hxx"
+
+typedef cppu::ImplInheritanceHelper
+<
+    SignatureEngine,
+    css::xml::crypto::sax::XSignatureVerifyResultBroadcaster,
+    css::lang::XInitialization,
+    css::lang::XServiceInfo
+> SignatureVerifierImpl_Base;
+
+class XSECFW_DLLPUBLIC SignatureVerifierImpl : public SignatureVerifierImpl_Base
+/****** SignatureVerifier.hxx/CLASS SignatureVerifierImpl *********************
+ *
+ *   NAME
+ *  SignatureVerifierImpl -- verifies a signature
+ *
+ *   FUNCTION
+ *  Collects all resources for a signature verification, then verifies the
+ *  signature by invoking a xmlsec-based signature bridge component.
+ ******************************************************************************/
+{
+private:
+    css::uno::Reference< css::xml::crypto::XXMLSecurityContext > m_xXMLSecurityContext;
+
+    virtual void notifyResultListener() const
+        throw (css::uno::Exception, css::uno::RuntimeException) override;
+    virtual bool checkReady() const override;
+    virtual void startEngine( const css::uno::Reference< css::xml::crypto::XXMLSignatureTemplate >& xSignatureTemplate)
+        throw (css::uno::Exception, css::uno::RuntimeException) override;
+
+public:
+    explicit SignatureVerifierImpl( const css::uno::Reference<
+        css::uno::XComponentContext >& rxContext);
+    virtual ~SignatureVerifierImpl() override;
+
+    /* XSignatureVerifyResultBroadcaster */
+    virtual void SAL_CALL addSignatureVerifyResultListener(
+        const css::uno::Reference< css::xml::crypto::sax::XSignatureVerifyResultListener >& listener )
+        throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+    virtual void SAL_CALL removeSignatureVerifyResultListener(
+        const css::uno::Reference< css::xml::crypto::sax::XSignatureVerifyResultListener >& listener )
+        throw (css::uno::RuntimeException, std::exception) override;
+
+    /* XInitialization */
+    virtual void SAL_CALL initialize(
+        const css::uno::Sequence< css::uno::Any >& aArguments )
+        throw (css::uno::Exception, css::uno::RuntimeException, std::exception) override;
+
+    /* XServiceInfo */
+    virtual OUString SAL_CALL getImplementationName(  )
+        throw (css::uno::RuntimeException, std::exception) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName )
+        throw (css::uno::RuntimeException, std::exception) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  )
+        throw (css::uno::RuntimeException, std::exception) override;
+};
+
+OUString SignatureVerifierImpl_getImplementationName()
+    throw ( css::uno::RuntimeException );
+
+css::uno::Sequence< OUString > SAL_CALL SignatureVerifierImpl_getSupportedServiceNames(  )
+    throw ( css::uno::RuntimeException );
+
+css::uno::Reference< css::uno::XInterface >
+SAL_CALL SignatureVerifierImpl_createInstance(
+    const css::uno::Reference< css::lang::XMultiServiceFactory > & rSMgr)
+    throw ( css::uno::Exception );
+
+#endif
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */