ucb/source/ucp/webdav/webdavprovider.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 <ucbhelper/contentidentifier.hxx>
  21 #include "webdavprovider.hxx"
  22 #include "webdavcontent.hxx"
  23
  24 #include "osl/mutex.hxx"
  25
  26 using namespace com::sun::star;
  27 using namespace http_dav_ucp;
  28
  29 //=========================================================================
  30 //=========================================================================
  31 //
  32 // ContentProvider Implementation.
  33 //
  34 //=========================================================================
  35 //=========================================================================
  36
  37 ContentProvider::ContentProvider(
  38                 const uno::Reference< lang::XMultiServiceFactory >& rSMgr )
  39 : ::ucbhelper::ContentProviderImplHelper( rSMgr ),
  40   m_xDAVSessionFactory( new DAVSessionFactory() ),
  41   m_pProps( 0 )
  42 {
  43 }
  44
  45 //=========================================================================
  46 // virtual
  47 ContentProvider::~ContentProvider()
  48 {
  49     delete m_pProps;
  50 }
  51
  52 //=========================================================================
  53 //
  54 // XInterface methods.
  55 //
  56 //=========================================================================
  57
  58 XINTERFACE_IMPL_3( ContentProvider,
  59                    lang::XTypeProvider,
  60                    lang::XServiceInfo,
  61                    ucb::XContentProvider );
  62
  63 //=========================================================================
  64 //
  65 // XTypeProvider methods.
  66 //
  67 //=========================================================================
  68
  69 XTYPEPROVIDER_IMPL_3( ContentProvider,
  70                       lang::XTypeProvider,
  71                       lang::XServiceInfo,
  72                       ucb::XContentProvider );
  73
  74 //=========================================================================
  75 //
  76 // XServiceInfo methods.
  77 //
  78 //=========================================================================
  79
  80 XSERVICEINFO_IMPL_1( ContentProvider,
  81                      OUString::createFromAscii(
  82                         "com.sun.star.comp.WebDAVContentProvider" ),
  83                      OUString::createFromAscii(
  84                         WEBDAV_CONTENT_PROVIDER_SERVICE_NAME ) );
  85
  86 //=========================================================================
  87 //
  88 // Service factory implementation.
  89 //
  90 //=========================================================================
  91
  92 ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );
  93
  94 //=========================================================================
  95 //
  96 // XContentProvider methods.
  97 //
  98 //=========================================================================
  99
 100 // virtual
 101 uno::Reference< ucb::XContent > SAL_CALL
 102 ContentProvider::queryContent(
 103             const uno::Reference<
 104                     ucb::XContentIdentifier >& Identifier )
 105     throw( ucb::IllegalIdentifierException,
 106            uno::RuntimeException )
 107 {
 108     // Check URL scheme...
 109
 110     const OUString aScheme
 111         = Identifier->getContentProviderScheme().toAsciiLowerCase();
 112     if ( aScheme != HTTP_URL_SCHEME && aScheme != HTTPS_URL_SCHEME &&
 113          aScheme != WEBDAV_URL_SCHEME && aScheme != DAV_URL_SCHEME &&
 114          aScheme != DAVS_URL_SCHEME )
 115         throw ucb::IllegalIdentifierException();
 116
 117     // Normalize URL and create new Id, if nessacary.
 118     OUString aURL = Identifier->getContentIdentifier();
 119
 120     // At least: <scheme> + "://"
 121     if ( aURL.getLength() < ( aScheme.getLength() + 3 ) )
 122         throw ucb::IllegalIdentifierException();
 123
 124     if ( ( aURL.getStr()[ aScheme.getLength() ]     != sal_Unicode( ':' ) ) ||
 125          ( aURL.getStr()[ aScheme.getLength() + 1 ] != sal_Unicode( '/' ) ) ||
 126          ( aURL.getStr()[ aScheme.getLength() + 2 ] != sal_Unicode( '/' ) ) )
 127         throw ucb::IllegalIdentifierException();
 128
 129     uno::Reference< ucb::XContentIdentifier > xCanonicId;
 130
 131     bool bNewId = false;
 132     if ( aScheme == WEBDAV_URL_SCHEME )
 133     {
 134         aURL = aURL.replaceAt( 0,
 135                                WEBDAV_URL_SCHEME_LENGTH,
 136                                OUString::createFromAscii(
 137                                                     HTTP_URL_SCHEME ) );
 138         bNewId = true;
 139     }
 140     else if ( aScheme == DAV_URL_SCHEME )
 141     {
 142         aURL = aURL.replaceAt( 0,
 143                                DAV_URL_SCHEME_LENGTH,
 144                                OUString::createFromAscii(
 145                                                     HTTP_URL_SCHEME ) );
 146         bNewId = true;
 147     }
 148     else if ( aScheme == DAVS_URL_SCHEME )
 149     {
 150         aURL = aURL.replaceAt( 0,
 151                                DAVS_URL_SCHEME_LENGTH,
 152                                OUString::createFromAscii(
 153                                                     HTTPS_URL_SCHEME ) );
 154         bNewId = true;
 155     }
 156
 157     sal_Int32 nPos = aURL.lastIndexOf( '/' );
 158     if ( nPos != aURL.getLength() - 1 )
 159     {
 160         // Find second slash in URL.
 161         nPos = aURL.indexOf( '/', aURL.indexOf( '/' ) + 1 );
 162         if ( nPos == -1 )
 163             throw ucb::IllegalIdentifierException();
 164
 165         nPos = aURL.indexOf( '/', nPos + 1 );
 166         if ( nPos == -1 )
 167         {
 168             aURL += OUString::createFromAscii( "/" );
 169             bNewId = true;
 170         }
 171     }
 172
 173     if ( bNewId )
 174         xCanonicId = new ::ucbhelper::ContentIdentifier( m_xSMgr, aURL );
 175     else
 176         xCanonicId = Identifier;
 177
 178     osl::MutexGuard aGuard( m_aMutex );
 179
 180     // Check, if a content with given id already exists...
 181     uno::Reference< ucb::XContent > xContent
 182         = queryExistingContent( xCanonicId ).get();
 183     if ( xContent.is() )
 184         return xContent;
 185
 186     // Create a new content.
 187
 188     try
 189     {
 190         xContent = new ::http_dav_ucp::Content(
 191                         m_xSMgr, this, xCanonicId, m_xDAVSessionFactory );
 192         registerNewContent( xContent );
 193     }
 194     catch ( ucb::ContentCreationException const & )
 195     {
 196         throw ucb::IllegalIdentifierException();
 197     }
 198
 199     if ( !xContent->getIdentifier().is() )
 200         throw ucb::IllegalIdentifierException();
 201
 202     return xContent;
 203 }
 204
 205 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */