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, 1001 insertions, 0 deletions

diff --git a/ucb/source/ucp/webdav-curl/webdavresponseparser.cxx b/ucb/source/ucp/webdav-curl/webdavresponseparser.cxx
new file mode 100644
index 000000000..9a0500d01
--- /dev/null
+++ b/ucb/source/ucp/webdav-curl/webdavresponseparser.cxx
@@ -0,0 +1,1001 @@
+/* -*- 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 "webdavresponseparser.hxx"
+
+#include "DAVProperties.hxx"
+#include "UCBDeadPropertyValue.hxx"
+
+#include <comphelper/processfactory.hxx>
+#include <comphelper/sequence.hxx>
+
+#include <cppuhelper/implbase.hxx>
+#include <com/sun/star/xml/sax/Parser.hpp>
+#include <com/sun/star/xml/sax/InputSource.hpp>
+#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
+#include <com/sun/star/ucb/LockEntry.hpp>
+#include <com/sun/star/ucb/LockScope.hpp>
+#include <com/sun/star/ucb/LockType.hpp>
+#include <com/sun/star/ucb/Lock.hpp>
+#include <map>
+#include <unordered_map>
+#include <rtl/ref.hxx>
+#include <rtl/uri.hxx>
+#include <sal/log.hxx>
+#include <o3tl/string_view.hxx>
+
+using namespace com::sun::star;
+using namespace http_dav_ucp;
+
+
+// WebDAVNamespace enum and StringToEnum converter
+namespace
+{
+    enum WebDAVNamespace
+    {
+        WebDAVNamespace_unknown = 0,
+        WebDAVNamespace_DAV,
+        WebDAVNamespace_ucb_openoffice_org_dav_props,
+
+        WebDAVNamespace_last
+    };
+
+    WebDAVNamespace StrToWebDAVNamespace(::std::u16string_view rStr)
+    {
+        if (rStr == u"DAV:")
+        {
+            return WebDAVNamespace_DAV;
+        }
+        else if (rStr == u"http://ucb.openoffice.org/dav/props/")
+        {
+            return WebDAVNamespace_ucb_openoffice_org_dav_props;
+        }
+
+        return WebDAVNamespace_unknown;
+    }
+} // end of anonymous namespace
+
+// WebDAVName enum and StringToEnum converter using unordered_map
+namespace
+{
+    enum WebDAVName
+    {
+        WebDAVName_unknown = 0,
+        WebDAVName_activelock,
+        WebDAVName_lockdiscovery,
+        WebDAVName_multistatus,
+        WebDAVName_response,
+        WebDAVName_href,
+        WebDAVName_propstat,
+        WebDAVName_prop,
+        WebDAVName_resourcetype,
+        WebDAVName_collection,
+        WebDAVName_getcontenttype,
+        WebDAVName_supportedlock,
+        WebDAVName_lockentry,
+        WebDAVName_lockscope,
+        WebDAVName_depth,
+        WebDAVName_locktoken,
+        WebDAVName_exclusive,
+        WebDAVName_locktype,
+        WebDAVName_owner,
+        WebDAVName_timeout,
+        WebDAVName_write,
+        WebDAVName_shared,
+        WebDAVName_status,
+        WebDAVName_getlastmodified,
+        WebDAVName_creationdate,
+        WebDAVName_getcontentlength,
+        WebDAVName_type,
+        WebDAVName_value,
+        WebDAVName_ucbprop,
+
+        WebDAVName_last
+    };
+
+    WebDAVName StrToWebDAVName(const OUString& rStr)
+    {
+        typedef std::unordered_map< OUString, WebDAVName > WebDAVNameMapper;
+        typedef std::pair< OUString, WebDAVName > WebDAVNameValueType;
+        static WebDAVNameMapper aWebDAVNameMapperList;
+
+        if(aWebDAVNameMapperList.empty())
+        {
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("activelock"), WebDAVName_activelock));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("lockdiscovery"), WebDAVName_lockdiscovery));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("multistatus"), WebDAVName_multistatus));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("response"), WebDAVName_response));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("href"), WebDAVName_href));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("propstat"), WebDAVName_propstat));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("prop"), WebDAVName_prop));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("resourcetype"), WebDAVName_resourcetype));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("collection"), WebDAVName_collection));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("getcontenttype"), WebDAVName_getcontenttype));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("supportedlock"), WebDAVName_supportedlock));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("lockentry"), WebDAVName_lockentry));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("lockscope"), WebDAVName_lockscope));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("depth"), WebDAVName_depth));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("locktoken"), WebDAVName_locktoken));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("exclusive"), WebDAVName_exclusive));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("locktype"), WebDAVName_locktype));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("owner"), WebDAVName_owner));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("timeout"), WebDAVName_timeout));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("write"), WebDAVName_write));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("shared"), WebDAVName_shared));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("status"), WebDAVName_status));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("getlastmodified"), WebDAVName_getlastmodified));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("creationdate"), WebDAVName_creationdate));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("getcontentlength"), WebDAVName_getcontentlength));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("type"), WebDAVName_type));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("value"), WebDAVName_value));
+            aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("ucbprop"), WebDAVName_ucbprop));
+        }
+
+        const WebDAVNameMapper::const_iterator aResult(aWebDAVNameMapperList.find(rStr));
+
+        if(aResult == aWebDAVNameMapperList.end())
+        {
+            return WebDAVName_unknown;
+        }
+        else
+        {
+            return aResult->second;
+        }
+    }
+} // end of anonymous namespace
+
+
+// WebDAVContext, holding information for each start/endElement pair
+
+namespace
+{
+    typedef std::map< OUString, OUString > NamespaceMap;
+
+    class WebDAVContext
+    {
+    private:
+        WebDAVContext*              mpParent;
+        NamespaceMap                maNamespaceMap;
+        OUString             maWhiteSpace;
+
+        OUString             maNamespace;
+        OUString             maName;
+
+        WebDAVNamespace             maWebDAVNamespace;
+        WebDAVName                  maWebDAVName;
+
+        // local helpers
+        void parseForNamespaceTokens(const uno::Reference< xml::sax::XAttributeList >& xAttribs);
+        OUString mapNamespaceToken(const OUString& rToken) const;
+        void splitName(const OUString& rSource);
+
+    public:
+        WebDAVContext(WebDAVContext* pParent, const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs);
+
+        WebDAVContext* getParent() const { return mpParent; }
+        OUString& getWhiteSpace() { return maWhiteSpace; }
+        void setWhiteSpace(const OUString& rNew) { maWhiteSpace = rNew; }
+
+        const OUString& getNamespace() const { return maNamespace; }
+        const OUString& getName() const { return maName; }
+        const WebDAVNamespace& getWebDAVNamespace() const { return maWebDAVNamespace; }
+        const WebDAVName& getWebDAVName() const { return maWebDAVName; }
+    };
+
+    void WebDAVContext::parseForNamespaceTokens(const uno::Reference< xml::sax::XAttributeList >& xAttribs)
+    {
+        const sal_Int16 nAttributes(xAttribs->getLength());
+
+        for(sal_Int16 a(0); a < nAttributes; a++)
+        {
+            const OUString aName(xAttribs->getNameByIndex(a));
+            const sal_Int32 nLen(aName.getLength());
+
+            if(nLen)
+            {
+                if(aName.startsWith("xmlns"))
+                {
+                    const sal_Int32 nIndex(aName.indexOf(':', 0));
+
+                    if(-1 != nIndex && nIndex + 1 < nLen)
+                    {
+                        const OUString aToken(aName.copy(nIndex + 1));
+
+                        maNamespaceMap.emplace(aToken, xAttribs->getValueByIndex(a));
+                    }
+                }
+            }
+        }
+    }
+
+    OUString WebDAVContext::mapNamespaceToken(const OUString& rToken) const
+    {
+        NamespaceMap::const_iterator iter = maNamespaceMap.find(rToken);
+
+        if(maNamespaceMap.end() == iter)
+        {
+            if(getParent())
+            {
+                return getParent()->mapNamespaceToken(rToken);
+            }
+            else
+            {
+                return rToken;
+            }
+        }
+        else
+        {
+            return (*iter).second;
+        }
+    }
+
+    void WebDAVContext::splitName(const OUString& rSource)
+    {
+        const sal_Int32 nLen(rSource.getLength());
+        maNamespace.clear();
+        maName = rSource;
+
+        if(nLen)
+        {
+            const sal_Int32 nIndex(rSource.indexOf(':', 0));
+
+            if(nIndex > 0 && ((nIndex + 1) < nLen))
+            {
+                maNamespace = mapNamespaceToken(rSource.copy(0, nIndex));
+                maName = rSource.copy(nIndex + 1);
+            }
+        }
+    }
+
+    WebDAVContext::WebDAVContext(WebDAVContext* pParent, const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs)
+    :   mpParent(pParent),
+        maNamespaceMap(),
+        maWhiteSpace(),
+        maNamespace(),
+        maName(),
+        maWebDAVNamespace(WebDAVNamespace_unknown),
+        maWebDAVName(WebDAVName_unknown)
+    {
+        const sal_Int16 nAttributes(xAttribs->getLength());
+
+        if(nAttributes)
+        {
+            // parse evtl. namespace entries
+            parseForNamespaceTokens(xAttribs);
+        }
+
+        // split name to namespace and name
+        splitName(aName);
+
+        // evaluate enums for namespace and name
+        maWebDAVNamespace = StrToWebDAVNamespace(maNamespace);
+        maWebDAVName = StrToWebDAVName(maName);
+    }
+} // end of anonymous namespace
+
+
+// the Xml parser itself
+
+namespace
+{
+    enum WebDAVResponseParserMode
+    {
+        WebDAVResponseParserMode_PropFind = 0,
+        WebDAVResponseParserMode_PropName,
+        WebDAVResponseParserMode_Lock
+    };
+
+    class WebDAVResponseParser : public cppu::WeakImplHelper< css::xml::sax::XDocumentHandler >
+    {
+    private:
+        std::vector< ucb::Lock >                      maResult_Lock;
+        std::vector< http_dav_ucp::DAVResource >      maResult_PropFind;
+        std::vector< http_dav_ucp::DAVResourceInfo >  maResult_PropName;
+
+        WebDAVContext*                              mpContext;
+        OUString                             maHref;
+        OUString                             maStatus;
+        OUString m_UCBType;
+        OUString m_UCBValue;
+        std::vector< http_dav_ucp::DAVPropertyValue > maResponseProperties;
+        std::vector< http_dav_ucp::DAVPropertyValue > maPropStatProperties;
+        std::vector< OUString >              maResponseNames;
+        std::vector< OUString >              maPropStatNames;
+        uno::Sequence< ucb::LockEntry >             maLockEntries;
+        ucb::LockScope                              maLockScope;
+        ucb::LockType                               maLockType;
+        ucb::Lock                                   maLock;
+        WebDAVResponseParserMode                    meWebDAVResponseParserMode;
+
+        bool                                        mbResourceTypeCollection : 1;
+        bool                                        mbLockScopeSet : 1;
+        bool                                        mbLockTypeSet : 1;
+
+        // local helpers
+        bool whitespaceIsAvailable() const
+        {
+            return mpContext && mpContext->getWhiteSpace().getLength();
+        }
+        bool hasParent(WebDAVName aWebDAVName) const
+        {
+            return mpContext && mpContext->getParent() && aWebDAVName == mpContext->getParent()->getWebDAVName();
+        }
+        bool propertyIsReady() const
+        {
+            return hasParent(WebDAVName_prop) && whitespaceIsAvailable();
+        }
+        bool isCollectingProperties() const
+        {
+            return WebDAVResponseParserMode_PropFind == meWebDAVResponseParserMode;
+        }
+        bool isCollectingPropNames() const
+        {
+            return WebDAVResponseParserMode_PropName == meWebDAVResponseParserMode;
+        }
+        bool collectThisPropertyAsName() const
+        {
+            return isCollectingPropNames() && hasParent(WebDAVName_prop);
+        }
+        void pop_context()
+        {
+            if(mpContext)
+            {
+                WebDAVContext* pTemp = mpContext;
+                mpContext = mpContext->getParent();
+                delete pTemp;
+            }
+            else
+            {
+                SAL_WARN( "ucb.ucp.webdav", "Parser context pop without context (!)");
+            }
+        }
+
+    public:
+        explicit WebDAVResponseParser(WebDAVResponseParserMode eWebDAVResponseParserMode);
+        virtual ~WebDAVResponseParser() override;
+
+        // Methods XDocumentHandler
+        virtual void SAL_CALL startDocument(  ) override;
+        virtual void SAL_CALL endDocument(  ) override;
+        virtual void SAL_CALL startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs ) override;
+        virtual void SAL_CALL endElement( const OUString& aName ) override;
+        virtual void SAL_CALL characters( const OUString& aChars ) override;
+        virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces ) override;
+        virtual void SAL_CALL processingInstruction( const OUString& aTarget, const OUString& aData ) override;
+        virtual void SAL_CALL setDocumentLocator( const uno::Reference< xml::sax::XLocator >& xLocator ) override;
+
+        const std::vector< ucb::Lock >& getResult_Lock() const { return maResult_Lock; }
+        const std::vector< http_dav_ucp::DAVResource >& getResult_PropFind() const { return maResult_PropFind; }
+        const std::vector< http_dav_ucp::DAVResourceInfo >& getResult_PropName() const { return maResult_PropName; }
+    };
+
+    WebDAVResponseParser::WebDAVResponseParser(WebDAVResponseParserMode eWebDAVResponseParserMode)
+    :   maResult_PropFind(),
+        maResult_PropName(),
+        mpContext(nullptr),
+        maHref(),
+        maStatus(),
+        maResponseProperties(),
+        maPropStatProperties(),
+        maResponseNames(),
+        maPropStatNames(),
+        maLockEntries(),
+        maLockScope(ucb::LockScope_EXCLUSIVE),
+        maLockType(ucb::LockType_WRITE),
+        meWebDAVResponseParserMode(eWebDAVResponseParserMode),
+        mbResourceTypeCollection(false),
+        mbLockScopeSet(false),
+        mbLockTypeSet(false)
+    {
+    }
+
+    WebDAVResponseParser::~WebDAVResponseParser()
+    {
+        SAL_WARN_IF(mpContext, "ucb.ucp.webdav", "Parser destructed with existing content (!)");
+        while(mpContext)
+        {
+            pop_context();
+        }
+    }
+
+    void SAL_CALL WebDAVResponseParser::startDocument(  )
+    {
+        SAL_WARN_IF(mpContext, "ucb.ucp.webdav", "Parser start with existing content (!)");
+    }
+
+    void SAL_CALL WebDAVResponseParser::endDocument(  )
+    {
+        SAL_WARN_IF(mpContext, "ucb.ucp.webdav", "Parser end with existing content (!)");
+    }
+
+    void SAL_CALL WebDAVResponseParser::startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs )
+    {
+        const sal_Int32 nLen(aName.getLength());
+
+        if(nLen)
+        {
+            // create new context (push)
+            mpContext = new WebDAVContext(mpContext, aName, xAttribs);
+
+            if(collectThisPropertyAsName())
+            {
+                // When collecting property names and parent is prop there is no need
+                // to handle the content of this property deeper (evtl. preparations)
+            }
+            else
+            {
+                switch(mpContext->getWebDAVNamespace())
+                {
+                    default: // WebDAVNamespace_unknown, WebDAVNamespace_last or unhandled
+                    {
+                        break;
+                    }
+                    case WebDAVNamespace_DAV:
+                    {
+                        switch(mpContext->getWebDAVName())
+                        {
+                            default: // WebDAVName_unknown, WebDAVName_last or unhandled
+                            {
+                                break;
+                            }
+                            case WebDAVName_propstat:
+                            {
+                                // propstat start
+                                if(isCollectingProperties())
+                                {
+                                    // reset maPropStatProperties
+                                    maPropStatProperties.clear();
+                                }
+                                else
+                                {
+                                    // when collecting properties reset maPropStatNames
+                                    maPropStatNames.clear();
+                                }
+                                break;
+                            }
+                            case WebDAVName_response:
+                            {
+                                // response start, reset Href and status and maResponseProperties
+                                maHref.clear();
+                                maStatus.clear();
+
+                                if(isCollectingProperties())
+                                {
+                                    // reset maResponseProperties
+                                    maResponseProperties.clear();
+                                }
+                                else
+                                {
+                                    // reset maResponseNames when collecting properties
+                                    maResponseNames.clear();
+                                }
+                                break;
+                            }
+                            case WebDAVName_resourcetype:
+                            {
+                                // resourcetype start, reset collection
+                                mbResourceTypeCollection = false;
+                                break;
+                            }
+                            case WebDAVName_supportedlock:
+                            {
+                                // supportedlock start, reset maLockEntries
+                                maLockEntries.realloc(0);
+                                break;
+                            }
+                            case WebDAVName_lockentry:
+                            {
+                                // lockentry start, reset maLockEntries
+                                mbLockScopeSet = false;
+                                mbLockTypeSet = false;
+                                break;
+                            }
+                            case WebDAVName_activelock:
+                            {
+                                maLock = ucb::Lock();
+                                break;
+                            }
+                        }
+                        break;
+                    }
+                    case WebDAVNamespace_ucb_openoffice_org_dav_props:
+                    {
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    OUString MakePropertyName(WebDAVContext const& rContext)
+    {
+        OUString ret;
+        OString const name(OUStringToOString(rContext.getName(), RTL_TEXTENCODING_UTF8));
+        OString const nameSpace(OUStringToOString(rContext.getNamespace(), RTL_TEXTENCODING_UTF8));
+        DAVProperties::createUCBPropName(nameSpace.getStr(), name.getStr(), ret);
+        return ret;
+    }
+
+    void SAL_CALL WebDAVResponseParser::endElement( const OUString& aName )
+    {
+        const sal_Int32 nLen(aName.getLength());
+        SAL_WARN_IF(!mpContext, "ucb.ucp.webdav", "Parser EndElement without content (!)");
+
+        if(mpContext && nLen)
+        {
+            if(collectThisPropertyAsName())
+            {
+                // name must be encoded as expected by createSerfPropName()
+                OUString const name(MakePropertyName(*mpContext));
+                maPropStatNames.emplace_back(name);
+            }
+            else
+            {
+                switch(mpContext->getWebDAVNamespace())
+                {
+                    default: // WebDAVNamespace_unknown, WebDAVNamespace_last or unhandled
+                    {
+                        break;
+                    }
+                    case WebDAVNamespace_DAV:
+                    {
+                        switch(mpContext->getWebDAVName())
+                        {
+                            default: // WebDAVName_unknown, WebDAVName_last or unhandled
+                            {
+                                break;
+                            }
+                            case WebDAVName_href:
+                            {
+                                // href end, save it if we have whitespace
+                                if(whitespaceIsAvailable())
+                                {
+                                    // Sharepoint 2016 workaround: apparently
+                                    // the result is an IRI (RFC 3987 possibly?)
+                                    // so try to encode the non-ASCII chars
+                                    // without changing anything else
+                                    maHref = ::rtl::Uri::encode(mpContext->getWhiteSpace(),
+                                            rtl_UriCharClassUric, rtl_UriEncodeKeepEscapes,
+                                            RTL_TEXTENCODING_UTF8);
+                                }
+                                break;
+                            }
+                            case WebDAVName_status:
+                            {
+                                // status end, save it if we have whitespace
+                                if(whitespaceIsAvailable())
+                                {
+                                    maStatus = mpContext->getWhiteSpace();
+                                }
+                                break;
+                            }
+                            case WebDAVName_getlastmodified:
+                            {
+                                // getlastmodified end, safe if content is correct
+                                if(propertyIsReady())
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+
+                                    aDAVPropertyValue.Name = "DAV:getlastmodified";
+                                    aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
+                                    maPropStatProperties.push_back(aDAVPropertyValue);
+                                }
+                                break;
+                            }
+                            case WebDAVName_creationdate:
+                            {
+                                // creationdate end, safe if content is correct
+                                if(propertyIsReady())
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+
+                                    aDAVPropertyValue.Name = "DAV:creationdate";
+                                    aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
+                                    maPropStatProperties.push_back(aDAVPropertyValue);
+                                }
+                                break;
+                            }
+                            case WebDAVName_collection:
+                            {
+                                // collection end, check and set
+                                if(hasParent(WebDAVName_resourcetype))
+                                {
+                                    mbResourceTypeCollection = true;
+                                }
+                                break;
+                            }
+                            case WebDAVName_resourcetype:
+                            {
+                                // resourcetype end, check for collection
+                                if(hasParent(WebDAVName_prop))
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+
+                                    aDAVPropertyValue.Name = "DAV:resourcetype";
+                                    aDAVPropertyValue.Value <<= (mbResourceTypeCollection ? OUString("collection") : OUString());
+                                    maPropStatProperties.push_back(aDAVPropertyValue);
+                                }
+                                break;
+                            }
+                            case WebDAVName_getcontentlength:
+                            {
+                                // getcontentlength end, safe if content is correct
+                                if(propertyIsReady())
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+
+                                    aDAVPropertyValue.Name = "DAV:getcontentlength";
+                                    aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
+                                    maPropStatProperties.push_back(aDAVPropertyValue);
+                                }
+                                break;
+                            }
+                            case WebDAVName_getcontenttype:
+                            {
+                                // getcontenttype end, safe if content is correct
+                                if(propertyIsReady())
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+
+                                    aDAVPropertyValue.Name = "DAV:getcontenttype";
+                                    aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
+                                    maPropStatProperties.push_back(aDAVPropertyValue);
+                                }
+                                break;
+                            }
+                            case WebDAVName_supportedlock:
+                            {
+                                // supportedlock end
+                                if(hasParent(WebDAVName_prop) && maLockEntries.hasElements())
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+
+                                    aDAVPropertyValue.Name = "DAV:supportedlock";
+                                    aDAVPropertyValue.Value <<= maLockEntries;
+                                    maPropStatProperties.push_back(aDAVPropertyValue);
+                                }
+                                break;
+                            }
+                            case WebDAVName_lockentry:
+                            {
+                                // lockentry end
+                                if(hasParent(WebDAVName_supportedlock) && (mbLockScopeSet && mbLockTypeSet))
+                                {
+                                    const sal_Int32 nLength(maLockEntries.getLength());
+                                    ucb::LockEntry aEntry;
+
+                                    aEntry.Scope = maLockScope;
+                                    aEntry.Type = maLockType;
+                                    maLockEntries.realloc(nLength + 1);
+                                    maLockEntries.getArray()[nLength] = aEntry;
+                                }
+                                break;
+                            }
+                            case WebDAVName_owner:
+                            {
+                                maLock.Owner <<= mpContext->getWhiteSpace();
+                                break;
+                            }
+                            case WebDAVName_timeout:
+                            {
+                                const OUString sTimeout(mpContext->getWhiteSpace());
+                                if (sTimeout == "Infinite")
+                                    maLock.Timeout = -1;
+                                else if (sTimeout.startsWith("Second-"))
+                                    maLock.Timeout = o3tl::toInt64(sTimeout.subView(7));
+                                break;
+                            }
+                            case WebDAVName_locktoken:
+                            {
+                                const OUString sLockToken(maHref);
+                                SAL_WARN_IF(!sLockToken.startsWith("opaquelocktoken:"), "ucb.ucp.webdav",
+                                        "Parser error: wrong 'locktoken' value.");
+                                const sal_Int32 nLength(maLock.LockTokens.getLength());
+                                maLock.LockTokens.realloc(nLength+1);
+                                maLock.LockTokens.getArray()[nLength] = sLockToken;
+                                break;
+                            }
+                            case WebDAVName_exclusive:
+                            {
+                                // exclusive lockscope end
+                                if(hasParent(WebDAVName_lockscope))
+                                {
+                                    maLockScope = ucb::LockScope_EXCLUSIVE;
+                                    mbLockScopeSet = true;
+                                }
+                                break;
+                            }
+                            case WebDAVName_shared:
+                            {
+                                // shared lockscope end
+                                if(hasParent(WebDAVName_lockscope))
+                                {
+                                    maLockScope = ucb::LockScope_SHARED;
+                                    mbLockScopeSet = true;
+                                }
+                                break;
+                            }
+                            case WebDAVName_write:
+                            {
+                                // write locktype end
+                                if(hasParent(WebDAVName_locktype))
+                                {
+                                    maLockType = ucb::LockType_WRITE;
+                                    mbLockTypeSet = true;
+                                }
+                                break;
+                            }
+                            case WebDAVName_depth:
+                            {
+                                OUString const chars(mpContext->getWhiteSpace());
+                                if (chars == "0")
+                                {
+                                    maLock.Depth = ucb::LockDepth_ZERO;
+                                }
+                                else if (chars == "1")
+                                {
+                                    maLock.Depth = ucb::LockDepth_ONE;
+                                }
+                                else if (chars == "infinity")
+                                {
+                                    maLock.Depth = ucb::LockDepth_INFINITY;
+                                }
+                                break;
+                            }
+                            case WebDAVName_activelock:
+                            {
+                                maLock.Type = maLockType;
+                                maLock.Scope = maLockScope;
+                                maResult_Lock.push_back(maLock);
+                                break;
+                            }
+                            case WebDAVName_lockdiscovery:
+                            {
+                                // lockdiscovery may be requested via PROPFIND,
+                                // in addition to LOCK! so return it 2 ways
+                                if (isCollectingProperties())
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+
+                                    aDAVPropertyValue.Name = "DAV:lockdiscovery";
+                                    aDAVPropertyValue.Value <<= ::comphelper::containerToSequence(maResult_Lock);
+                                    maPropStatProperties.push_back(aDAVPropertyValue);
+                                }
+                                break;
+                            }
+                            case WebDAVName_propstat:
+                            {
+                                // propstat end, check status
+                                if(maStatus.getLength())
+                                {
+                                    if(maStatus == "HTTP/1.1 200 OK")
+                                    {
+                                        if(isCollectingProperties())
+                                        {
+                                            if(!maPropStatProperties.empty())
+                                            {
+                                                // append to maResponseProperties if okay
+                                                maResponseProperties.insert(maResponseProperties.end(), maPropStatProperties.begin(), maPropStatProperties.end());
+                                            }
+                                        }
+                                        else
+                                        {
+                                            if(!maPropStatNames.empty())
+                                            {
+                                                // when collecting properties append to
+                                                maResponseNames.insert(maResponseNames.end(), maPropStatNames.begin(), maPropStatNames.end());
+                                            }
+                                        }
+                                    }
+                                }
+                                break;
+                            }
+                            case WebDAVName_response:
+                            {
+                                // response end
+                                if(maHref.getLength())
+                                {
+                                    if(isCollectingProperties())
+                                    {
+                                        // create DAVResource when we have content
+                                        if(!maResponseProperties.empty())
+                                        {
+                                            http_dav_ucp::DAVResource aDAVResource;
+
+                                            aDAVResource.uri = maHref;
+                                            aDAVResource.properties = maResponseProperties;
+                                            maResult_PropFind.push_back(aDAVResource);
+                                        }
+                                    }
+                                    else
+                                    {
+                                        // when collecting properties add them to result when there are some
+                                        if(!maResponseNames.empty())
+                                        {
+                                            http_dav_ucp::DAVResourceInfo aDAVResourceInfo;
+
+                                            aDAVResourceInfo.properties = maResponseNames;
+                                            maResult_PropName.push_back(aDAVResourceInfo);
+                                        }
+                                    }
+                                }
+                                break;
+                            }
+                        }
+                        break;
+                    }
+                    case WebDAVNamespace_ucb_openoffice_org_dav_props:
+                    {
+                        switch(mpContext->getWebDAVName())
+                        {
+                            case WebDAVName_type:
+                            {
+                                m_UCBType = mpContext->getWhiteSpace();
+                                break;
+                            }
+                            case WebDAVName_value:
+                            {
+                                m_UCBValue = mpContext->getWhiteSpace();
+                                break;
+                            }
+                            case WebDAVName_ucbprop:
+                            {
+                                if (!m_UCBType.isEmpty()
+                                    && isCollectingProperties())
+                                {
+                                    http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
+                                    aDAVPropertyValue.Name = MakePropertyName(*mpContext->getParent());
+                                    if (UCBDeadPropertyValue::createFromXML(m_UCBType, m_UCBValue, aDAVPropertyValue.Value))
+                                    {
+                                        maPropStatProperties.push_back(aDAVPropertyValue);
+                                    }
+                                    else
+                                    {
+                                        SAL_INFO("ucb.ucp.webdav.curl", "cannot parse property value");
+                                    }
+                                }
+                                m_UCBType.clear();
+                                m_UCBValue.clear();
+                                break;
+                            }
+                            default:
+                            break;
+                        }
+                        break;
+                    }
+                }
+            }
+
+            // destroy last context (pop)
+            pop_context();
+        }
+    }
+
+    void SAL_CALL WebDAVResponseParser::characters( const OUString& aChars )
+    {
+        // collect whitespace over evtl. several calls in mpContext
+        SAL_WARN_IF(!mpContext, "ucb.ucp.webdav", "Parser characters without content (!)");
+        const sal_Int32 nLen(aChars.getLength());
+
+        if(mpContext && nLen)
+        {
+            // remove leading/trailing blanks and CRLF
+            const OUString aTrimmedChars(aChars.trim());
+
+            if(aTrimmedChars.getLength())
+            {
+                OUString aNew(mpContext->getWhiteSpace());
+
+                if(aNew.getLength())
+                {
+                    // add one char when appending (see html1.1 spec)
+                    aNew += " ";
+                }
+
+                aNew += aTrimmedChars;
+                mpContext->setWhiteSpace(aNew);
+            }
+        }
+    }
+
+    void SAL_CALL WebDAVResponseParser::ignorableWhitespace( const OUString& /*aWhitespaces*/ )
+    {
+    }
+
+    void SAL_CALL WebDAVResponseParser::processingInstruction( const OUString& /*aTarget*/, const OUString& /*aData*/ )
+    {
+    }
+
+    void SAL_CALL WebDAVResponseParser::setDocumentLocator( const uno::Reference< xml::sax::XLocator >& /*xLocator*/ )
+    {
+    }
+} // end of anonymous namespace
+
+
+// wrapper for various calls to the parser
+
+namespace
+{
+    template<typename T>
+    void parseWebDAVResponse(
+        const uno::Reference< io::XInputStream >& xInputStream,
+        std::vector< T >& rResult,
+        WebDAVResponseParserMode eWebDAVResponseParserMode,
+        std::vector<T> const & (WebDAVResponseParser::* fn)() const)
+    {
+        if(xInputStream.is())
+        {
+            try
+            {
+                // prepare ParserInputSource
+                xml::sax::InputSource myInputSource;
+                myInputSource.aInputStream = xInputStream;
+
+                // get parser
+                uno::Reference< xml::sax::XParser > xParser = xml::sax::Parser::create(
+                    comphelper::getProcessComponentContext() );
+
+                // create parser; connect parser and filter
+                rtl::Reference<WebDAVResponseParser> const pWebDAVResponseParser(
+                        new WebDAVResponseParser(eWebDAVResponseParserMode));
+                uno::Reference< xml::sax::XDocumentHandler > xWebDAVHdl(pWebDAVResponseParser);
+                xParser->setDocumentHandler(xWebDAVHdl);
+
+                // finally, parse the stream
+                xParser->parseStream(myInputSource);
+
+                // get result
+                rResult = (pWebDAVResponseParser.get()->*fn)();
+            }
+            catch(uno::Exception&)
+            {
+                SAL_WARN("ucb.ucp.webdav", "WebDAV Parse error (!)");
+            }
+        }
+    }
+} // end of anonymous namespace
+
+
+// helper to parse a XML WebDAV response
+
+namespace http_dav_ucp
+{
+    std::vector< ucb::Lock > parseWebDAVLockResponse(const uno::Reference< io::XInputStream >& xInputStream)
+    {
+        std::vector< ucb::Lock > aResult;
+        parseWebDAVResponse< ucb::Lock >(xInputStream, aResult, WebDAVResponseParserMode_Lock, &WebDAVResponseParser::getResult_Lock);
+        return aResult;
+    }
+
+    std::vector< DAVResource > parseWebDAVPropFindResponse(const uno::Reference< io::XInputStream >& xInputStream)
+    {
+        std::vector< DAVResource > aResult;
+        parseWebDAVResponse< DAVResource >(xInputStream, aResult, WebDAVResponseParserMode_PropFind, &WebDAVResponseParser::getResult_PropFind);
+        return aResult;
+    }
+
+    std::vector< DAVResourceInfo > parseWebDAVPropNameResponse(const uno::Reference< io::XInputStream >& xInputStream)
+    {
+        std::vector< DAVResourceInfo > aResult;
+        parseWebDAVResponse< DAVResourceInfo >(xInputStream, aResult, WebDAVResponseParserMode_PropName, &WebDAVResponseParser::getResult_PropName);
+        return aResult;
+    }
+} // namespace http_dav_ucp
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */