libxmlsec

1 files changed, 244 insertions, 0 deletions

diff --git a/xmlsecurity/source/xmlsec/xmlstreamio.cxx b/xmlsecurity/source/xmlsec/xmlstreamio.cxx
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index 000000000..39e339762
--- /dev/null
+++ b/xmlsecurity/source/xmlsec/xmlstreamio.cxx
@@ -0,0 +1,244 @@
+/*************************************************************************
+ *
+ *	$RCSfile: xmlstreamio.cxx,v $
+ *
+ *	$Revision: 1.1.1.1 $
+ *
+ *	last change: $Author: mt $ $Date: 2004-07-12 13:15:21 $
+ *
+ *	The Contents of this file are made available subject to the terms of
+ *	either of the following licenses
+ *
+ *		   - GNU Lesser General Public License Version 2.1
+ *		   - Sun Industry Standards Source License Version 1.1
+ *
+ *	Sun Microsystems Inc., October, 2000
+ *
+ *	GNU Lesser General Public License Version 2.1
+ *	=============================================
+ *	Copyright 2000 by Sun Microsystems, Inc.
+ *	901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *	This library is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License version 2.1, as published by the Free Software Foundation.
+ *
+ *	This library 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
+ *	Lesser General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Lesser General Public
+ *	License along with this library; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *	MA	02111-1307	USA
+ *
+ *
+ *	Sun Industry Standards Source License Version 1.1
+ *	=================================================
+ *	The contents of this file are subject to the Sun Industry Standards
+ *	Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *	Software provided under this License is provided on an "AS IS" basis,
+ *	WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *	WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *	MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *	See the License for the specific provisions governing your rights and
+ *	obligations concerning the Software.
+ *
+ *	The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *	Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *	All Rights Reserved.
+ *
+ *	Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+/*
+ * Implementation of the I/O interfaces based on stream and URI binding
+ */
+#ifndef _XMLSTREAMIO_XMLSECIMPL_HXX_
+#include "xmlstreamio.hxx"
+#endif
+
+#ifndef _RTL_USTRING_HXX_
+#include <rtl/ustring.hxx>
+#endif
+
+#include <libxml/uri.h>
+#include <xmlsec/io.h>
+
+#define XMLSTREAMIO_INITIALIZED 0x01
+#define XMLSTREAMIO_REGISTERED  0x02
+
+/* Global variables */
+/*-
+ * Enable stream I/O or not.
+ */
+static char enableXmlStreamIO = 0x00 ;
+
+::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XUriBinding > m_xUriBinding ;
+
+int xmlStreamMatch( const char* uri )
+{
+    ::com::sun::star::uno::Reference< com::sun::star::io::XInputStream > xInputStream ;
+
+    if( ( enableXmlStreamIO & XMLSTREAMIO_INITIALIZED ) &&
+        ( enableXmlStreamIO & XMLSTREAMIO_REGISTERED ) ) {
+        if( uri == NULL || !m_xUriBinding.is() )
+            return 0 ;
+
+        xInputStream = m_xUriBinding->getUriBinding( ::rtl::OUString::createFromAscii( uri ) ) ;
+        if( xInputStream.is() )
+            return 1 ;
+    }
+
+    return 0 ;
+}
+
+void* xmlStreamOpen( const char* uri )
+{
+    ::com::sun::star::uno::Reference< com::sun::star::io::XInputStream > xInputStream ;
+    ::com::sun::star::io::XInputStream* pInputStream ;
+
+    if( ( enableXmlStreamIO & XMLSTREAMIO_INITIALIZED ) &&
+        ( enableXmlStreamIO & XMLSTREAMIO_REGISTERED ) ) {
+        if( uri == NULL || !m_xUriBinding.is() )
+            return NULL ;
+
+        xInputStream = m_xUriBinding->getUriBinding( ::rtl::OUString::createFromAscii( uri ) ) ;
+        if( xInputStream.is() ) {
+            pInputStream = xInputStream.get() ;
+            pInputStream->acquire() ;
+            return ( void* )pInputStream ;
+        }
+    }
+
+    return NULL ;
+}
+
+int xmlStreamRead( void* context, char* buffer, int len )
+{
+    int numbers ;
+    ::com::sun::star::uno::Reference< com::sun::star::io::XInputStream > xInputStream ;
+    ::com::sun::star::uno::Sequence< sal_Int8 > outSeqs( len ) ;
+
+    numbers = 0 ;
+    if( ( enableXmlStreamIO & XMLSTREAMIO_INITIALIZED ) &&
+        ( enableXmlStreamIO & XMLSTREAMIO_REGISTERED ) ) {
+        if( context != NULL ) {
+            xInputStream = ( com::sun::star::io::XInputStream* )context ;
+            if( !xInputStream.is() )
+                return 0 ;
+
+            numbers = xInputStream->readBytes( outSeqs, len ) ;
+            const sal_Int8* readBytes = ( const sal_Int8* )outSeqs.getArray() ;
+            for( int i = 0 ; i < numbers ; i ++ )
+                *( buffer + i ) = *( readBytes + i ) ;
+        }
+    }
+
+    return numbers ;
+}
+
+int xmlStreamClose( void * context )
+{
+    ::com::sun::star::io::XInputStream* pInputStream ;
+
+    if( ( enableXmlStreamIO & XMLSTREAMIO_INITIALIZED ) &&
+        ( enableXmlStreamIO & XMLSTREAMIO_REGISTERED ) ) {
+        if( context != NULL ) {
+            pInputStream = ( ::com::sun::star::io::XInputStream* )context ;
+            pInputStream->release() ;
+        }
+    }
+
+    return 0 ;
+}
+
+int xmlEnableStreamInputCallbacks()
+{
+    int cbs = 0 ;
+
+    if( !( enableXmlStreamIO & XMLSTREAMIO_INITIALIZED ) ) {
+        //Register the callbacks into libxml2
+        //cbs = xmlRegisterInputCallbacks(
+        //			xmlStreamMatch,
+        //			xmlStreamOpen,
+        //			xmlStreamRead,
+        //			xmlStreamClose ) ;
+        //if( cbs < 0 ) {
+        //	return -1 ;
+        //}
+
+        //Register the callbacks into xmlSec
+        //In order to make the xmlsec io finding the callbacks firstly,
+        //I put the callbacks at the very begining.
+
+        //Cleanup the older callbacks.
+        //Notes: all none default callbacks will lose.
+        xmlSecIOCleanupCallbacks() ;
+
+        //Register my classbacks.
+        cbs = xmlSecIORegisterCallbacks(
+                    xmlStreamMatch,
+                    xmlStreamOpen,
+                    xmlStreamRead,
+                    xmlStreamClose ) ;
+        if( cbs < 0 ) {
+            return -1 ;
+        }
+
+        //Register the default callbacks.
+        //Notes: the error will cause xmlsec working problems.
+        cbs = xmlSecIORegisterDefaultCallbacks() ;
+        if( cbs < 0 ) {
+            return -1 ;
+        }
+
+        enableXmlStreamIO |= XMLSTREAMIO_INITIALIZED ;
+    }
+
+    return 0 ;
+}
+
+int xmlRegisterStreamInputCallbacks(
+    ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XUriBinding >& aUriBinding
+) {
+    if( !( enableXmlStreamIO & XMLSTREAMIO_INITIALIZED ) ) {
+        if( xmlEnableStreamInputCallbacks() < 0 )
+            return -1 ;
+    }
+
+    if( !( enableXmlStreamIO & XMLSTREAMIO_REGISTERED ) ) {
+        enableXmlStreamIO |= XMLSTREAMIO_REGISTERED ;
+    }
+
+    m_xUriBinding = aUriBinding ;
+
+    return 0 ;
+}
+
+int xmlUnregisterStreamInputCallbacks( void )
+{
+    if( ( enableXmlStreamIO & XMLSTREAMIO_REGISTERED ) ) {
+        //Clear the uir-stream binding
+        m_xUriBinding.clear() ;
+
+        //disable the registered flag
+        enableXmlStreamIO &= ~XMLSTREAMIO_REGISTERED ;
+    }
+
+    return 0 ;
+}
+
+void xmlDisableStreamInputCallbacks() {
+    xmlUnregisterStreamInputCallbacks() ;
+    enableXmlStreamIO &= ~XMLSTREAMIO_INITIALIZED ;
+}
+