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 <SerfTypes.hxx>
  22 #include <DAVProperties.hxx>
  23
  24 #include <webdavresponseparser.hxx>
  25 #include <comphelper/seqstream.hxx>
  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( 0 )
  39     , mpPropNames( &inPropNames )
  40     , mpResources( &ioResources )
  41     , mpResInfo( 0 )
  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( 0 )
  54     , mpPropNames( 0 )
  55     , mpResources( 0 )
  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 = 0;
  92     OUString aBodyText;
  93     {
  94         // create and fill body bucket with requested properties
  95         const int nPropCount = ( !mbOnlyPropertyNames && mpPropNames )
  96                                ? mpPropNames->size()
  97                                : 0;
  98         if ( nPropCount > 0 )
  99         {
 100             SerfPropName thePropName;
 101             for ( int theIndex = 0; theIndex < nPropCount; theIndex ++ )
 102             {
 103                 // split fullname into namespace and name!
 104                 DAVProperties::createSerfPropName( (*mpPropNames)[ theIndex ],
 105                                                    thePropName );
 106
 107                 /* <*propname* xmlns="*propns*" /> */
 108                 aBodyText += OUString::createFromAscii( "<" );
 109                 aBodyText += OUString::createFromAscii( thePropName.name );
 110                 aBodyText += OUString::createFromAscii( " xmlnx=\"" );
 111                 aBodyText += OUString::createFromAscii( thePropName.nspace );
 112                 aBodyText += OUString::createFromAscii( "\"/>" );
 113             }
 114
 115             aBodyText = OUString::createFromAscii( "<prop>" ) +
 116                         aBodyText +
 117                         OUString::createFromAscii( "</prop>" );
 118         }
 119         else
 120         {
 121             if ( mbOnlyPropertyNames )
 122             {
 123                 aBodyText = OUString::createFromAscii( "<propname/>" );
 124             }
 125             else
 126             {
 127                 aBodyText = OUString::createFromAscii( "<allprop/>" );
 128             }
 129         }
 130
 131         aBodyText = OUString::createFromAscii( PROPFIND_HEADER ) +
 132                     aBodyText +
 133                     OUString::createFromAscii( PROPFIND_TRAILER );
 134         body_bkt = SERF_BUCKET_SIMPLE_STRING( OUStringToOString( aBodyText, RTL_TEXTENCODING_UTF8 ),
 135                                               pSerfBucketAlloc );
 136         if ( useChunkedEncoding() )
 137         {
 138             body_bkt = serf_bucket_chunk_create( body_bkt, pSerfBucketAlloc );
 139         }
 140     }
 141
 142     // create serf request
 143     serf_bucket_t *req_bkt = serf_request_bucket_request_create( inSerfRequest,
 144                                                                  "PROPFIND",
 145                                                                  getPathStr(),
 146                                                                  body_bkt,
 147                                                                  pSerfBucketAlloc );
 148
 149     // set request header fields
 150     serf_bucket_t* hdrs_bkt = serf_bucket_request_get_headers( req_bkt );
 151     // general header fields provided by caller
 152     setRequestHeaders( hdrs_bkt );
 153
 154     // request specific header fields
 155     serf_bucket_headers_set( hdrs_bkt, "Depth", mDepthStr );
 156     if ( body_bkt != 0 && aBodyText.getLength() > 0 )
 157     {
 158         if ( useChunkedEncoding() )
 159         {
 160             serf_bucket_headers_set( hdrs_bkt, "Transfer-Encoding", "chunked");
 161         }
 162         serf_bucket_headers_set( hdrs_bkt, "Content-Type", "application/xml" );
 163         serf_bucket_headers_set( hdrs_bkt, "Content-Length",
 164                                  OUStringToOString( OUString::valueOf( aBodyText.getLength() ), RTL_TEXTENCODING_UTF8 ) );
 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: */