ucb/source/ucp/webdav/SerfPropFindReqProcImpl.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "SerfPropFindReqProcImpl.hxx"
  21 #include "DAVProperties.hxx"
  22
  23 #include "webdavresponseparser.hxx"
  24 #include <rtl/strbuf.hxx>
  25
  26
  27 using namespace com::sun::star;
  28
  29 namespace http_dav_ucp
  30 {
  31
  32 SerfPropFindReqProcImpl::SerfPropFindReqProcImpl( const char* inPath,
  33                                                   const DAVRequestHeaders& inRequestHeaders,
  34                                                   const Depth inDepth,
  35                                                   const std::vector< OUString > & inPropNames,
  36                                                   std::vector< DAVResource > & ioResources )
  37     : SerfRequestProcessorImpl( inPath, inRequestHeaders )
  38     , mDepthStr( nullptr )
  39     , mpPropNames( &inPropNames )
  40     , mpResources( &ioResources )
  41     , mpResInfo( nullptr )
  42     , mbOnlyPropertyNames( false )
  43     , xInputStream( new SerfInputStream() )
  44 {
  45     init( inDepth );
  46 }
  47
  48 SerfPropFindReqProcImpl::SerfPropFindReqProcImpl( const char* inPath,
  49                                                   const DAVRequestHeaders& inRequestHeaders,
  50                                                   const Depth inDepth,
  51                                                   std::vector< DAVResourceInfo > & ioResInfo )
  52     : SerfRequestProcessorImpl( inPath, inRequestHeaders )
  53     , mDepthStr( nullptr )
  54     , mpPropNames( nullptr )
  55     , mpResources( nullptr )
  56     , mpResInfo( &ioResInfo )
  57     , mbOnlyPropertyNames( true )
  58     , xInputStream( new SerfInputStream() )
  59 {
  60     init( inDepth );
  61 }
  62
  63 void SerfPropFindReqProcImpl::init( const Depth inDepth )
  64 {
  65     switch ( inDepth )
  66     {
  67         case DAVZERO:
  68             mDepthStr = "0";
  69             break;
  70         case DAVONE:
  71             mDepthStr = "1";
  72             break;
  73         case DAVINFINITY:
  74             mDepthStr = "infinity";
  75             break;
  76     }
  77 }
  78
  79 SerfPropFindReqProcImpl::~SerfPropFindReqProcImpl()
  80 {
  81 }
  82
  83 #define PROPFIND_HEADER "<?xml version=\"1.0\" encoding=\"utf-8\"?><propfind xmlns=\"DAV:\">"
  84 #define PROPFIND_TRAILER "</propfind>"
  85
  86 serf_bucket_t * SerfPropFindReqProcImpl::createSerfRequestBucket( serf_request_t * inSerfRequest )
  87 {
  88     serf_bucket_alloc_t* pSerfBucketAlloc = serf_request_get_alloc( inSerfRequest );
  89
  90     // body bucket - certain properties OR all properties OR only property names
  91     serf_bucket_t* body_bkt = nullptr;
  92     OString aBodyText;
  93     {
  94         OStringBuffer aBuffer;
  95         aBuffer.append( PROPFIND_HEADER );
  96
  97         // create and fill body bucket with requested properties
  98         const int nPropCount = ( !mbOnlyPropertyNames && mpPropNames )
  99                                ? mpPropNames->size()
 100                                : 0;
 101         if ( nPropCount > 0 )
 102         {
 103             aBuffer.append( "<prop>" );
 104             SerfPropName thePropName;
 105             for ( int theIndex = 0; theIndex < nPropCount; theIndex ++ )
 106             {
 107                 // split fullname into namespace and name!
 108                 DAVProperties::createSerfPropName( (*mpPropNames)[ theIndex ],
 109                                                    thePropName );
 110
 111                 /* <*propname* xmlns="*propns*" /> */
 112                 aBuffer.append( "<" );
 113                 aBuffer.append( thePropName.name );
 114                 aBuffer.append( " xmlns=\"" );
 115                 aBuffer.append( thePropName.nspace );
 116                 aBuffer.append( "\"/>" );
 117             }
 118
 119             aBuffer.append( "</prop>" );
 120         }
 121         else
 122         {
 123             if ( mbOnlyPropertyNames )
 124             {
 125                 aBuffer.append( "<propname/>" );
 126             }
 127             else
 128             {
 129                 aBuffer.append( "<allprop/>" );
 130             }
 131         }
 132
 133         aBuffer.append( PROPFIND_TRAILER );
 134         aBodyText = aBuffer.makeStringAndClear();
 135         body_bkt = serf_bucket_simple_copy_create( aBodyText.getStr(),
 136                                                    aBodyText.getLength(),
 137                                                    pSerfBucketAlloc );
 138     }
 139
 140     // create serf request
 141     serf_bucket_t *req_bkt = serf_request_bucket_request_create( inSerfRequest,
 142                                                                  "PROPFIND",
 143                                                                  getPathStr(),
 144                                                                  body_bkt,
 145                                                                  pSerfBucketAlloc );
 146     handleChunkedEncoding(req_bkt, aBodyText.getLength());
 147
 148     // set request header fields
 149     serf_bucket_t* hdrs_bkt = serf_bucket_request_get_headers( req_bkt );
 150     if (hdrs_bkt != nullptr)
 151     {
 152         // general header fields provided by caller
 153         setRequestHeaders( hdrs_bkt );
 154
 155         // request specific header fields
 156         serf_bucket_headers_set( hdrs_bkt, "Depth", mDepthStr );
 157         if (hdrs_bkt!=nullptr && body_bkt != nullptr && aBodyText.getLength() > 0 )
 158         {
 159             serf_bucket_headers_set( hdrs_bkt, "Content-Type", "application/xml" );
 160         }
 161     }
 162     else
 163     {
 164         assert(!"Headers Bucket missing");
 165     }
 166
 167     return req_bkt;
 168 }
 169
 170 void SerfPropFindReqProcImpl::processChunkOfResponseData( const char* data,
 171                                                           apr_size_t len )
 172 {
 173     if ( xInputStream.is() )
 174     {
 175         xInputStream->AddToStream( data, len );
 176     }
 177 }
 178
 179 void SerfPropFindReqProcImpl::handleEndOfResponseData( serf_bucket_t * /*inSerfResponseBucket*/ )
 180 {
 181     if ( mbOnlyPropertyNames )
 182     {
 183         const std::vector< DAVResourceInfo > rResInfo( parseWebDAVPropNameResponse( xInputStream.get() ) );
 184         *mpResInfo = rResInfo;
 185     }
 186     else
 187     {
 188         const std::vector< DAVResource > rResources( parseWebDAVPropFindResponse( xInputStream.get() ) );
 189         *mpResources = rResources;
 190     }
 191 }
 192
 193 } // namespace http_dav_ucp
 194
 195 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */