Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 310 insertions, 0 deletions

diff --git a/framework/source/services/urltransformer.cxx b/framework/source/services/urltransformer.cxx
new file mode 100644
index 000000000..b4fd3de16
--- /dev/null
+++ b/framework/source/services/urltransformer.cxx
@@ -0,0 +1,310 @@
+/* -*- 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 .
+ */
+
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/urlobj.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <com/sun/star/util/XURLTransformer.hpp>
+#include <com/sun/star/util/URL.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+namespace {
+
+class URLTransformer : public ::cppu::WeakImplHelper< css::util::XURLTransformer, css::lang::XServiceInfo>
+{
+public:
+    URLTransformer() {}
+
+    virtual OUString SAL_CALL getImplementationName() override
+    {
+        return "com.sun.star.comp.framework.URLTransformer";
+    }
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
+    {
+        return cppu::supportsService(this, ServiceName);
+    }
+
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
+    {
+        return {"com.sun.star.util.URLTransformer"};
+    }
+
+    virtual sal_Bool SAL_CALL parseStrict( css::util::URL& aURL ) override;
+
+    virtual sal_Bool SAL_CALL parseSmart( css::util::URL& aURL, const OUString& sSmartProtocol ) override;
+
+    virtual sal_Bool SAL_CALL assemble( css::util::URL& aURL ) override;
+
+    virtual OUString SAL_CALL getPresentation( const css::util::URL& aURL, sal_Bool bWithPassword ) override;
+};
+
+void lcl_ParserHelper(INetURLObject& _rParser, css::util::URL& _rURL,bool _bUseIntern)
+{
+    // Get all information about this URL.
+    _rURL.Protocol  = INetURLObject::GetScheme( _rParser.GetProtocol() );
+    _rURL.User      = _rParser.GetUser  ( INetURLObject::DecodeMechanism::WithCharset );
+    _rURL.Password  = _rParser.GetPass  ( INetURLObject::DecodeMechanism::WithCharset );
+    _rURL.Server        = _rParser.GetHost  ( INetURLObject::DecodeMechanism::WithCharset );
+    _rURL.Port      = static_cast<sal_Int16>(_rParser.GetPort());
+
+    sal_Int32 nCount = _rParser.getSegmentCount( false );
+    if ( nCount > 0 )
+    {
+        // Don't add last segment as it is the name!
+        --nCount;
+
+        OUStringBuffer aPath(128);
+        for ( sal_Int32 nIndex = 0; nIndex < nCount; nIndex++ )
+        {
+            aPath.append( '/');
+            aPath.append( _rParser.getName( nIndex, false, INetURLObject::DecodeMechanism::NONE ));
+        }
+
+        if ( nCount > 0 )
+            aPath.append( '/' ); // final slash!
+
+        _rURL.Path = aPath.makeStringAndClear();
+        _rURL.Name = _rParser.getName( INetURLObject::LAST_SEGMENT, false, INetURLObject::DecodeMechanism::NONE );
+    }
+    else
+    {
+        _rURL.Path       = _rParser.GetURLPath( INetURLObject::DecodeMechanism::NONE           );
+        _rURL.Name = _rParser.GetLastName();
+    }
+
+    _rURL.Arguments  = _rParser.GetParam();
+    _rURL.Mark      = _rParser.GetMark( INetURLObject::DecodeMechanism::WithCharset );
+
+    // INetURLObject supports only an intelligent method of parsing URL's. So write
+    // back Complete to have a valid encoded URL in all cases!
+    _rURL.Complete  = _rParser.GetMainURL( INetURLObject::DecodeMechanism::NONE           );
+    if ( _bUseIntern )
+        _rURL.Complete   = _rURL.Complete.intern();
+
+    _rParser.SetMark( u"" );
+    _rParser.SetParam( u"" );
+
+    _rURL.Main       = _rParser.GetMainURL( INetURLObject::DecodeMechanism::NONE           );
+}
+
+//  XURLTransformer
+sal_Bool SAL_CALL URLTransformer::parseStrict( css::util::URL& aURL )
+{
+    // Safe impossible cases.
+    if ( aURL.Complete.isEmpty() )
+    {
+        return false;
+    }
+    // Try to extract the protocol
+    sal_Int32 nURLIndex = aURL.Complete.indexOf( ':' );
+    if ( nURLIndex <= 1 )
+        return false;
+
+    std::u16string_view aProtocol = aURL.Complete.subView( 0, nURLIndex+1 );
+
+    // If INetURLObject knows this protocol let it parse
+    if ( INetURLObject::CompareProtocolScheme( aProtocol ) != INetProtocol::NotValid )
+    {
+        // Initialize parser with given URL.
+        INetURLObject aParser( aURL.Complete );
+
+        // Get all information about this URL.
+        INetProtocol eINetProt = aParser.GetProtocol();
+        if ( eINetProt == INetProtocol::NotValid )
+        {
+            return false;
+        }
+        else if ( !aParser.HasError() )
+        {
+            lcl_ParserHelper(aParser,aURL,false);
+            // Return "URL is parsed".
+            return true;
+        }
+    }
+    else
+    {
+        // Minimal support for unknown protocols. This is mandatory to support the "Protocol Handlers" implemented
+        // in framework!
+        aURL.Protocol   = aProtocol;
+        aURL.Main       = aURL.Complete;
+        aURL.Path       = aURL.Complete.copy( nURLIndex+1 );
+
+        // Return "URL is parsed".
+        return true;
+    }
+
+    return false;
+}
+
+//  XURLTransformer
+
+sal_Bool SAL_CALL URLTransformer::parseSmart( css::util::URL& aURL,
+                                                const   OUString&    sSmartProtocol  )
+{
+    // Safe impossible cases.
+    if ( aURL.Complete.isEmpty() )
+    {
+        return false;
+    }
+
+    // Initialize parser with given URL.
+    INetURLObject aParser;
+
+    aParser.SetSmartProtocol( INetURLObject::CompareProtocolScheme( sSmartProtocol ));
+    bool bOk = aParser.SetSmartURL( aURL.Complete );
+    if ( bOk )
+    {
+        lcl_ParserHelper(aParser,aURL,true);
+        // Return "URL is parsed".
+        return true;
+    }
+    else
+    {
+        // Minimal support for unknown protocols. This is mandatory to support the "Protocol Handlers" implemented
+        // in framework!
+        if ( INetURLObject::CompareProtocolScheme( sSmartProtocol ) == INetProtocol::NotValid )
+        {
+            // Try to extract the protocol
+            sal_Int32 nIndex = aURL.Complete.indexOf( ':' );
+            if ( nIndex > 1 )
+            {
+                OUString aProtocol = aURL.Complete.copy( 0, nIndex+1 );
+
+                // If INetURLObject knows this protocol something is wrong as detected before =>
+                // give up and return false!
+                if ( INetURLObject::CompareProtocolScheme( aProtocol ) != INetProtocol::NotValid )
+                    return false;
+                else
+                    aURL.Protocol = aProtocol;
+            }
+            else
+                return false;
+
+            aURL.Main = aURL.Complete;
+            aURL.Path = aURL.Complete.copy( nIndex+1 );
+            return true;
+        }
+        else
+            return false;
+    }
+}
+
+//  XURLTransformer
+sal_Bool SAL_CALL URLTransformer::assemble( css::util::URL& aURL )
+{
+    // Initialize parser.
+    INetURLObject aParser;
+
+    if ( INetURLObject::CompareProtocolScheme( aURL.Protocol ) != INetProtocol::NotValid )
+    {
+        OUStringBuffer aCompletePath( aURL.Path );
+
+        // Concat the name if it is provided, just support a final slash
+        if ( !aURL.Name.isEmpty() )
+        {
+            sal_Int32 nIndex = aURL.Path.lastIndexOf( '/' );
+            if ( nIndex == ( aURL.Path.getLength() -1 ))
+                aCompletePath.append( aURL.Name );
+            else
+            {
+                aCompletePath.append( '/' );
+                aCompletePath.append( aURL.Name );
+            }
+        }
+
+        bool bResult = aParser.ConcatData(
+                            INetURLObject::CompareProtocolScheme( aURL.Protocol )   ,
+                             aURL.User                                              ,
+                            aURL.Password                                           ,
+                            aURL.Server                                             ,
+                             aURL.Port                                              ,
+                            aCompletePath.makeStringAndClear()                          );
+
+        if ( !bResult )
+            return false;
+
+        // First parse URL WITHOUT ...
+        aURL.Main = aParser.GetMainURL( INetURLObject::DecodeMechanism::NONE );
+        // ...and then WITH parameter and mark.
+        aParser.SetParam( aURL.Arguments);
+        aParser.SetMark ( aURL.Mark, INetURLObject::EncodeMechanism::All );
+        aURL.Complete = aParser.GetMainURL( INetURLObject::DecodeMechanism::NONE );
+
+        // Return "URL is assembled".
+        return true;
+    }
+    else if ( !aURL.Protocol.isEmpty() )
+    {
+        // Minimal support for unknown protocols
+        aURL.Complete   = aURL.Protocol + aURL.Path;
+        aURL.Main       = aURL.Complete;
+        return true;
+    }
+
+    return false;
+}
+
+//  XURLTransformer
+
+OUString SAL_CALL URLTransformer::getPresentation( const css::util::URL& aURL,
+                                                            sal_Bool    bWithPassword   )
+{
+    // Safe impossible cases.
+    if  ( aURL.Complete.isEmpty() )
+    {
+        return OUString();
+    }
+
+    // Check given URL
+    css::util::URL aTestURL = aURL;
+    bool bParseResult = parseSmart( aTestURL, aTestURL.Protocol );
+    if ( bParseResult )
+    {
+        if ( !bWithPassword && !aTestURL.Password.isEmpty() )
+        {
+            // Exchange password text with other placeholder string
+            aTestURL.Password = "<******>";
+            assemble( aTestURL );
+        }
+
+        // Convert internal URLs to "praesentation"-URLs!
+        OUString sPraesentationURL;
+        INetURLObject::translateToExternal( aTestURL.Complete, sPraesentationURL, INetURLObject::DecodeMechanism::Unambiguous );
+
+        return sPraesentationURL;
+    }
+    else
+        return OUString();
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_comp_framework_URLTransformer_get_implementation(
+    css::uno::XComponentContext *,
+    css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new URLTransformer());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */