ucb/source/ucp/cmis/cmis_repo_content.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
  10 #include <com/sun/star/beans/PropertyAttribute.hpp>
  11 #include <com/sun/star/beans/PropertyValue.hpp>
  12 #include <com/sun/star/beans/XPropertySetInfo.hpp>
  13 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  14 #include <com/sun/star/ucb/XCommandInfo.hpp>
  15 #include <com/sun/star/ucb/XDynamicResultSet.hpp>
  16 #ifndef SYSTEM_CURL
  17 #include <com/sun/star/xml/crypto/XDigestContext.hpp>
  18 #include <com/sun/star/xml/crypto/DigestID.hpp>
  19 #include <com/sun/star/xml/crypto/NSSInitializer.hpp>
  20 #endif
  21
  22 #include <config_oauth2.h>
  23 #include <rtl/uri.hxx>
  24 #include <sal/log.hxx>
  25 #include <tools/urlobj.hxx>
  26 #include <ucbhelper/cancelcommandexecution.hxx>
  27 #include <ucbhelper/contentidentifier.hxx>
  28 #include <ucbhelper/propertyvalueset.hxx>
  29 #include <ucbhelper/proxydecider.hxx>
  30 #include <ucbhelper/macros.hxx>
  31
  32 #include "auth_provider.hxx"
  33 #include "certvalidation_handler.hxx"
  34 #include "cmis_content.hxx"
  35 #include "cmis_provider.hxx"
  36 #include "cmis_repo_content.hxx"
  37 #include "cmis_resultset.hxx"
  38 #include <memory>
  39
  40 #define OUSTR_TO_STDSTR(s) std::string( OUStringToOString( s, RTL_TEXTENCODING_UTF8 ).getStr() )
  41 #define STD_TO_OUSTR( str ) OUString( str.c_str(), str.length( ), RTL_TEXTENCODING_UTF8 )
  42
  43 using namespace com::sun::star;
  44
  45 namespace cmis
  46 {
  47     RepoContent::RepoContent( const uno::Reference< uno::XComponentContext >& rxContext,
  48         ContentProvider *pProvider, const uno::Reference< ucb::XContentIdentifier >& Identifier,
  49         std::vector< libcmis::RepositoryPtr > const & aRepos )
  50         : ContentImplHelper( rxContext, pProvider, Identifier ),
  51         m_pProvider( pProvider ),
  52         m_aURL( Identifier->getContentIdentifier( ) ),
  53         m_sRepositoryId( ),
  54         m_aRepositories( aRepos )
  55     {
  56         // Split the URL into bits
  57         OUString sURL = m_xIdentifier->getContentIdentifier( );
  58         SAL_INFO( "ucb.ucp.cmis", "RepoContent::RepoContent() " << sURL );
  59
  60         m_sRepositoryId = m_aURL.getObjectPath();
  61         if (!m_sRepositoryId.isEmpty() && m_sRepositoryId[0] == '/')
  62             m_sRepositoryId = m_sRepositoryId.copy(1);
  63     }
  64
  65     RepoContent::~RepoContent()
  66     {
  67     }
  68
  69     uno::Any RepoContent::getBadArgExcept()
  70     {
  71         return uno::makeAny( lang::IllegalArgumentException(
  72             "Wrong argument type!",
  73             static_cast< cppu::OWeakObject * >( this ), -1) );
  74     }
  75
  76     uno::Reference< sdbc::XRow > RepoContent::getPropertyValues(
  77             const uno::Sequence< beans::Property >& rProperties,
  78             const uno::Reference< ucb::XCommandEnvironment >& xEnv )
  79     {
  80         rtl::Reference< ::ucbhelper::PropertyValueSet > xRow = new ::ucbhelper::PropertyValueSet( m_xContext );
  81
  82         for( const beans::Property& rProp : rProperties )
  83         {
  84             try
  85             {
  86                 if ( rProp.Name == "IsDocument" )
  87                 {
  88                     xRow->appendBoolean( rProp, false );
  89                 }
  90                 else if ( rProp.Name == "IsFolder" )
  91                 {
  92                     xRow->appendBoolean( rProp, true );
  93                 }
  94                 else if ( rProp.Name == "Title" )
  95                 {
  96                     xRow->appendString( rProp, STD_TO_OUSTR( getRepository( xEnv )->getName( ) ) );
  97                 }
  98                 else if ( rProp.Name == "IsReadOnly" )
  99                 {
 100                     xRow->appendBoolean( rProp, true );
 101                 }
 102                 else
 103                 {
 104                     xRow->appendVoid( rProp );
 105                     SAL_INFO( "ucb.ucp.cmis", "Looking for unsupported property " << rProp.Name );
 106                 }
 107             }
 108             catch (const libcmis::Exception&)
 109             {
 110                 xRow->appendVoid( rProp );
 111             }
 112         }
 113
 114         return xRow;
 115     }
 116
 117     void RepoContent::getRepositories( const uno::Reference< ucb::XCommandEnvironment > & xEnv )
 118     {
 119 #ifndef SYSTEM_CURL
 120         // Initialize NSS library to make sure libcmis (and curl) can access CACERTs using NSS
 121         // when using internal libcurl.
 122         uno::Reference< css::xml::crypto::XNSSInitializer >
 123             xNSSInitializer = css::xml::crypto::NSSInitializer::create( m_xContext );
 124
 125         uno::Reference< css::xml::crypto::XDigestContext > xDigestContext(
 126                 xNSSInitializer->getDigestContext( css::xml::crypto::DigestID::SHA256,
 127                                                           uno::Sequence< beans::NamedValue >() ),
 128                                                           uno::UNO_SET_THROW );
 129 #endif
 130
 131         // Set the proxy if needed. We are doing that all times as the proxy data shouldn't be cached.
 132         ucbhelper::InternetProxyDecider aProxyDecider( m_xContext );
 133         INetURLObject aBindingUrl( m_aURL.getBindingUrl( ) );
 134         const ucbhelper::InternetProxyServer& rProxy = aProxyDecider.getProxy(
 135                 INetURLObject::GetScheme( aBindingUrl.GetProtocol( ) ), aBindingUrl.GetHost(), aBindingUrl.GetPort() );
 136         OUString sProxy = rProxy.aName;
 137         if ( rProxy.nPort > 0 )
 138             sProxy += ":" + OUString::number( rProxy.nPort );
 139         libcmis::SessionFactory::setProxySettings( OUSTR_TO_STDSTR( sProxy ), std::string(), std::string(), std::string() );
 140
 141         if ( !m_aRepositories.empty() )
 142             return;
 143
 144         // Set the SSL Validation handler
 145         libcmis::CertValidationHandlerPtr certHandler(
 146                 new CertValidationHandler( xEnv, m_xContext, aBindingUrl.GetHost( ) ) );
 147         libcmis::SessionFactory::setCertificateValidationHandler( certHandler );
 148
 149         // Get the auth credentials
 150         AuthProvider authProvider( xEnv, m_xIdentifier->getContentIdentifier( ), m_aURL.getBindingUrl( ) );
 151         AuthProvider::setXEnv( xEnv );
 152
 153         std::string rUsername = OUSTR_TO_STDSTR( m_aURL.getUsername( ) );
 154         std::string rPassword = OUSTR_TO_STDSTR( m_aURL.getPassword( ) );
 155
 156         bool bIsDone = false;
 157
 158         while( !bIsDone )
 159         {
 160             if ( authProvider.authenticationQuery( rUsername, rPassword ) )
 161             {
 162                 try
 163                 {
 164                     // Create a session to get repositories
 165                     libcmis::OAuth2DataPtr oauth2Data;
 166                     if ( m_aURL.getBindingUrl( ) == GDRIVE_BASE_URL )
 167                     {
 168                         libcmis::SessionFactory::setOAuth2AuthCodeProvider( AuthProvider::copyWebAuthCodeFallback );
 169                         oauth2Data.reset( new libcmis::OAuth2Data(
 170                             GDRIVE_AUTH_URL, GDRIVE_TOKEN_URL,
 171                             GDRIVE_SCOPE, GDRIVE_REDIRECT_URI,
 172                             GDRIVE_CLIENT_ID, GDRIVE_CLIENT_SECRET ) );
 173                     }
 174                     if ( m_aURL.getBindingUrl().startsWith( ALFRESCO_CLOUD_BASE_URL ) )
 175                         oauth2Data.reset( new libcmis::OAuth2Data(
 176                             ALFRESCO_CLOUD_AUTH_URL, ALFRESCO_CLOUD_TOKEN_URL,
 177                             ALFRESCO_CLOUD_SCOPE, ALFRESCO_CLOUD_REDIRECT_URI,
 178                             ALFRESCO_CLOUD_CLIENT_ID, ALFRESCO_CLOUD_CLIENT_SECRET ) );
 179                     if ( m_aURL.getBindingUrl( ) == ONEDRIVE_BASE_URL )
 180                     {
 181                         libcmis::SessionFactory::setOAuth2AuthCodeProvider( AuthProvider::copyWebAuthCodeFallback );
 182                         oauth2Data.reset( new libcmis::OAuth2Data(
 183                             ONEDRIVE_AUTH_URL, ONEDRIVE_TOKEN_URL,
 184                             ONEDRIVE_SCOPE, ONEDRIVE_REDIRECT_URI,
 185                             ONEDRIVE_CLIENT_ID, ONEDRIVE_CLIENT_SECRET ) );
 186                     }
 187
 188                     std::unique_ptr<libcmis::Session> session(libcmis::SessionFactory::createSession(
 189                             OUSTR_TO_STDSTR( m_aURL.getBindingUrl( ) ),
 190                             rUsername, rPassword, "", false, oauth2Data ));
 191                     if (!session)
 192                         ucbhelper::cancelCommandExecution(
 193                                             ucb::IOErrorCode_INVALID_DEVICE,
 194                                             uno::Sequence< uno::Any >( 0 ),
 195                                             xEnv );
 196                     m_aRepositories = session->getRepositories( );
 197
 198                     bIsDone = true;
 199                 }
 200                 catch ( const libcmis::Exception& e )
 201                 {
 202                     SAL_INFO( "ucb.ucp.cmis", "Error getting repositories: " << e.what() );
 203
 204                     if ( e.getType() != "permissionDenied" )
 205                     {
 206                         ucbhelper::cancelCommandExecution(
 207                                         ucb::IOErrorCode_INVALID_DEVICE,
 208                                         uno::Sequence< uno::Any >( 0 ),
 209                                         xEnv );
 210                     }
 211                 }
 212             }
 213             else
 214             {
 215                 // Throw user cancelled exception
 216                 ucbhelper::cancelCommandExecution(
 217                                     ucb::IOErrorCode_ABORT,
 218                                     uno::Sequence< uno::Any >( 0 ),
 219                                     xEnv,
 220                                     "Authentication cancelled" );
 221             }
 222         }
 223     }
 224
 225     libcmis::RepositoryPtr RepoContent::getRepository( const uno::Reference< ucb::XCommandEnvironment > & xEnv )
 226     {
 227         // Ensure we have the repositories extracted
 228         getRepositories( xEnv );
 229
 230         libcmis::RepositoryPtr repo;
 231
 232         if ( !m_sRepositoryId.isEmpty() )
 233         {
 234             auto it = std::find_if(m_aRepositories.begin(), m_aRepositories.end(),
 235                 [&](const libcmis::RepositoryPtr& rRepo) { return STD_TO_OUSTR(rRepo->getId()) == m_sRepositoryId; });
 236             if (it != m_aRepositories.end())
 237                 repo = *it;
 238         }
 239         else
 240             repo = m_aRepositories.front( );
 241         return repo;
 242     }
 243
 244     uno::Sequence< beans::Property > RepoContent::getProperties(
 245             const uno::Reference< ucb::XCommandEnvironment > & /*xEnv*/ )
 246     {
 247         static const beans::Property aGenericProperties[] =
 248         {
 249             beans::Property( "IsDocument",
 250                 -1, cppu::UnoType<bool>::get(),
 251                 beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY ),
 252             beans::Property( "IsFolder",
 253                 -1, cppu::UnoType<bool>::get(),
 254                 beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY ),
 255             beans::Property( "Title",
 256                 -1, cppu::UnoType<OUString>::get(),
 257                 beans::PropertyAttribute::BOUND ),
 258             beans::Property( "IsReadOnly",
 259                 -1, cppu::UnoType<bool>::get(),
 260                 beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY ),
 261         };
 262
 263         const int nProps = SAL_N_ELEMENTS(aGenericProperties);
 264         return uno::Sequence< beans::Property > ( aGenericProperties, nProps );
 265     }
 266
 267     uno::Sequence< ucb::CommandInfo > RepoContent::getCommands(
 268             const uno::Reference< ucb::XCommandEnvironment > & /*xEnv*/ )
 269     {
 270         static const ucb::CommandInfo aCommandInfoTable[] =
 271         {
 272             // Required commands
 273             ucb::CommandInfo
 274             ( "getCommandInfo",
 275               -1, cppu::UnoType<void>::get() ),
 276             ucb::CommandInfo
 277             ( "getPropertySetInfo",
 278               -1, cppu::UnoType<void>::get() ),
 279             ucb::CommandInfo
 280             ( "getPropertyValues",
 281               -1, cppu::UnoType<uno::Sequence< beans::Property >>::get() ),
 282             ucb::CommandInfo
 283             ( "setPropertyValues",
 284               -1, cppu::UnoType<uno::Sequence< beans::PropertyValue >>::get() ),
 285
 286             // Optional standard commands
 287             ucb::CommandInfo
 288             ( "open",
 289               -1, cppu::UnoType<ucb::OpenCommandArgument2>::get() ),
 290         };
 291
 292         const int nProps = SAL_N_ELEMENTS(aCommandInfoTable);
 293         return uno::Sequence< ucb::CommandInfo >(aCommandInfoTable, nProps );
 294     }
 295
 296     OUString RepoContent::getParentURL( )
 297     {
 298         SAL_INFO( "ucb.ucp.cmis", "RepoContent::getParentURL()" );
 299
 300         // TODO Implement me
 301
 302         return OUString();
 303     }
 304
 305     XTYPEPROVIDER_COMMON_IMPL( RepoContent );
 306
 307     OUString SAL_CALL RepoContent::getImplementationName()
 308     {
 309        return "com.sun.star.comp.CmisRepoContent";
 310     }
 311
 312     uno::Sequence< OUString > SAL_CALL RepoContent::getSupportedServiceNames()
 313     {
 314        return { "com.sun.star.ucb.Content" };
 315     }
 316
 317     OUString SAL_CALL RepoContent::getContentType()
 318     {
 319         return CMIS_REPO_TYPE;
 320     }
 321
 322     uno::Any SAL_CALL RepoContent::execute(
 323         const ucb::Command& aCommand,
 324         sal_Int32 /*CommandId*/,
 325         const uno::Reference< ucb::XCommandEnvironment >& xEnv )
 326     {
 327         SAL_INFO( "ucb.ucp.cmis", "RepoContent::execute( ) - " << aCommand.Name );
 328
 329         uno::Any aRet;
 330
 331         if ( aCommand.Name == "getPropertyValues" )
 332         {
 333             uno::Sequence< beans::Property > Properties;
 334             if ( !( aCommand.Argument >>= Properties ) )
 335                 ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
 336             aRet <<= getPropertyValues( Properties, xEnv );
 337         }
 338         else if ( aCommand.Name == "getPropertySetInfo" )
 339             aRet <<= getPropertySetInfo( xEnv, false );
 340         else if ( aCommand.Name == "getCommandInfo" )
 341             aRet <<= getCommandInfo( xEnv, false );
 342         else if ( aCommand.Name == "open" )
 343         {
 344             ucb::OpenCommandArgument2 aOpenCommand;
 345             if ( !( aCommand.Argument >>= aOpenCommand ) )
 346                 ucbhelper::cancelCommandExecution ( getBadArgExcept (), xEnv );
 347             const ucb::OpenCommandArgument2& rOpenCommand = aOpenCommand;
 348
 349             getRepositories( xEnv );
 350             uno::Reference< ucb::XDynamicResultSet > xSet
 351                 = new DynamicResultSet(m_xContext, this, rOpenCommand, xEnv );
 352             aRet <<= xSet;
 353         }
 354         else
 355         {
 356             SAL_INFO( "ucb.ucp.cmis", "Command not allowed" );
 357         }
 358
 359         return aRet;
 360     }
 361
 362     void SAL_CALL RepoContent::abort( sal_Int32 /*CommandId*/ )
 363     {
 364         SAL_INFO( "ucb.ucp.cmis", "TODO - RepoContent::abort()" );
 365         // TODO Implement me
 366     }
 367
 368     uno::Sequence< uno::Type > SAL_CALL RepoContent::getTypes()
 369     {
 370         static cppu::OTypeCollection s_aFolderCollection
 371             (CPPU_TYPE_REF( lang::XTypeProvider ),
 372              CPPU_TYPE_REF( lang::XServiceInfo ),
 373              CPPU_TYPE_REF( lang::XComponent ),
 374              CPPU_TYPE_REF( ucb::XContent ),
 375              CPPU_TYPE_REF( ucb::XCommandProcessor ),
 376              CPPU_TYPE_REF( beans::XPropertiesChangeNotifier ),
 377              CPPU_TYPE_REF( ucb::XCommandInfoChangeNotifier ),
 378              CPPU_TYPE_REF( beans::XPropertyContainer ),
 379              CPPU_TYPE_REF( beans::XPropertySetInfoChangeNotifier ),
 380              CPPU_TYPE_REF( container::XChild ) );
 381         return s_aFolderCollection.getTypes();
 382     }
 383
 384     std::vector< uno::Reference< ucb::XContent > > RepoContent::getChildren( )
 385     {
 386         std::vector< uno::Reference< ucb::XContent > > result;
 387
 388         // TODO Cache the results somehow
 389         SAL_INFO( "ucb.ucp.cmis", "RepoContent::getChildren" );
 390
 391         if ( m_sRepositoryId.isEmpty( ) )
 392         {
 393             for ( const auto& rRepo : m_aRepositories )
 394             {
 395                 URL aUrl( m_aURL );
 396                 aUrl.setObjectPath( STD_TO_OUSTR( rRepo->getId( ) ) );
 397
 398                 uno::Reference< ucb::XContentIdentifier > xId = new ucbhelper::ContentIdentifier( aUrl.asString( ) );
 399                 uno::Reference< ucb::XContent > xContent = new RepoContent( m_xContext, m_pProvider, xId, m_aRepositories );
 400
 401                 result.push_back( xContent );
 402             }
 403         }
 404         else
 405         {
 406             // Return the repository root as child
 407             OUString sUrl;
 408             OUString sEncodedBinding = rtl::Uri::encode(
 409                     m_aURL.getBindingUrl( ) + "#" + m_sRepositoryId,
 410                     rtl_UriCharClassRelSegment,
 411                     rtl_UriEncodeKeepEscapes,
 412                     RTL_TEXTENCODING_UTF8 );
 413             sUrl = "vnd.libreoffice.cmis://" + sEncodedBinding;
 414
 415             uno::Reference< ucb::XContentIdentifier > xId = new ucbhelper::ContentIdentifier( sUrl );
 416             uno::Reference< ucb::XContent > xContent = new Content( m_xContext, m_pProvider, xId );
 417
 418             result.push_back( xContent );
 419         }
 420         return result;
 421     }
 422 }
 423
 424 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */