extensions/source/update/check/updateprotocol.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 <config_folders.h>
  21
  22 #include <com/sun/star/xml/xpath/XPathAPI.hpp>
  23 #include <com/sun/star/xml/xpath/XPathException.hpp>
  24
  25 #include "updateprotocol.hxx"
  26 #include "updatecheckconfig.hxx"
  27
  28 #include <com/sun/star/deployment/UpdateInformationEntry.hpp>
  29 #include <com/sun/star/deployment/XPackageInformationProvider.hpp>
  30
  31
  32 #include <rtl/ref.hxx>
  33 #include <rtl/bootstrap.hxx>
  34 #include <osl/diagnose.h>
  35
  36 namespace container = css::container ;
  37 namespace deployment = css::deployment ;
  38 namespace uno = css::uno ;
  39 namespace task = css::task ;
  40 namespace xml = css::xml ;
  41
  42
  43 static bool
  44 getBootstrapData(
  45     uno::Sequence< OUString > & rRepositoryList,
  46     OUString & rGitID,
  47     OUString & rInstallSetID)
  48 {
  49     rGitID = "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("version") ":buildid}";
  50     rtl::Bootstrap::expandMacros( rGitID );
  51     if ( rGitID.isEmpty() )
  52         return false;
  53
  54     rInstallSetID = "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("version") ":UpdateID}";
  55     rtl::Bootstrap::expandMacros( rInstallSetID );
  56     if ( rInstallSetID.isEmpty() )
  57         return false;
  58
  59     OUString aValue( "${$BRAND_BASE_DIR/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("version") ":UpdateURL}" );
  60     rtl::Bootstrap::expandMacros( aValue );
  61
  62     if( !aValue.isEmpty() )
  63     {
  64         rRepositoryList = { aValue };
  65     }
  66
  67     return true;
  68 }
  69
  70
  71 // Returns 'true' if successfully connected to the update server
  72 bool
  73 checkForUpdates(
  74     UpdateInfo& o_rUpdateInfo,
  75     uno::Reference< uno::XComponentContext > const & rxContext,
  76     uno::Reference< task::XInteractionHandler > const & rxInteractionHandler,
  77     const uno::Reference< deployment::XUpdateInformationProvider >& rUpdateInfoProvider)
  78 {
  79     OUString myArch;
  80     OUString myOS;
  81
  82     rtl::Bootstrap::get("_OS", myOS);
  83     rtl::Bootstrap::get("_ARCH", myArch);
  84
  85     uno::Sequence< OUString > aRepositoryList;
  86     OUString aGitID;
  87     OUString aInstallSetID;
  88
  89     if( ! ( getBootstrapData(aRepositoryList, aGitID, aInstallSetID) && (aRepositoryList.getLength() > 0) ) )
  90         return false;
  91
  92     return checkForUpdates( o_rUpdateInfo, rxContext, rxInteractionHandler, rUpdateInfoProvider,
  93             myOS, myArch,
  94             aRepositoryList, aGitID, aInstallSetID );
  95 }
  96
  97 bool
  98 checkForUpdates(
  99     UpdateInfo& o_rUpdateInfo,
 100     const uno::Reference< uno::XComponentContext > & rxContext,
 101     const uno::Reference< task::XInteractionHandler > & rxInteractionHandler,
 102     const uno::Reference< deployment::XUpdateInformationProvider >& rUpdateInfoProvider,
 103     std::u16string_view rOS,
 104     std::u16string_view rArch,
 105     const uno::Sequence< OUString > &rRepositoryList,
 106     std::u16string_view rGitID,
 107     const OUString &rInstallSetID )
 108 {
 109     if( !rxContext.is() )
 110         throw uno::RuntimeException( "checkForUpdates: empty component context" );
 111
 112     OSL_ASSERT( rxContext->getServiceManager().is() );
 113
 114     // XPath implementation
 115     uno::Reference< xml::xpath::XXPathAPI > xXPath = xml::xpath::XPathAPI::create(rxContext);
 116
 117     xXPath->registerNS( "inst", "http://update.libreoffice.org/description" );
 118
 119     if( rxInteractionHandler.is() )
 120         rUpdateInfoProvider->setInteractionHandler(rxInteractionHandler);
 121
 122     try
 123     {
 124         uno::Reference< container::XEnumeration > aUpdateInfoEnumeration =
 125             rUpdateInfoProvider->getUpdateInformationEnumeration( rRepositoryList, rInstallSetID );
 126
 127         if ( !aUpdateInfoEnumeration.is() )
 128             return false; // something went wrong ..
 129
 130         OUString aXPathExpression =
 131             OUString::Concat("/child::inst:description[inst:os=\'")+
 132              rOS +
 133             "\' and inst:arch=\'"+
 134              rArch +
 135             "\' and inst:gitid!=\'"+
 136              rGitID +
 137             "\']";
 138
 139
 140         while( aUpdateInfoEnumeration->hasMoreElements() )
 141         {
 142             deployment::UpdateInformationEntry aEntry;
 143
 144             if( aUpdateInfoEnumeration->nextElement() >>= aEntry )
 145             {
 146                 uno::Reference< xml::dom::XNode > xNode( aEntry.UpdateDocument );
 147                 uno::Reference< xml::dom::XNodeList > xNodeList;
 148                 try {
 149                     xNodeList = xXPath->selectNodeList(xNode, aXPathExpression
 150                         + "/inst:update/attribute::src");
 151                 } catch (const css::xml::xpath::XPathException &) {
 152                     // ignore
 153                 }
 154
 155                 sal_Int32 i, imax = xNodeList->getLength();
 156                 for( i = 0; i < imax; ++i )
 157                 {
 158                     uno::Reference< xml::dom::XNode > xNode2( xNodeList->item(i) );
 159
 160                     if( xNode2.is() )
 161                     {
 162                         uno::Reference< xml::dom::XElement > xParent(xNode2->getParentNode(), uno::UNO_QUERY_THROW);
 163                         OUString aType = xParent->getAttribute("type");
 164                         bool bIsDirect = !aType.equalsIgnoreAsciiCase("text/html");
 165
 166                         o_rUpdateInfo.Sources.push_back( DownloadSource(bIsDirect, xNode2->getNodeValue()) );
 167                     }
 168                 }
 169
 170                 uno::Reference< xml::dom::XNode > xNode2;
 171                 try {
 172                     xNode2 = xXPath->selectSingleNode(xNode, aXPathExpression
 173                         + "/inst:version/text()");
 174                 } catch (const css::xml::xpath::XPathException &) {
 175                     // ignore
 176                 }
 177
 178                 if( xNode2.is() )
 179                     o_rUpdateInfo.Version = xNode2->getNodeValue();
 180
 181                 try {
 182                     xNode2 = xXPath->selectSingleNode(xNode, aXPathExpression
 183                         + "/inst:buildid/text()");
 184                 } catch (const css::xml::xpath::XPathException &) {
 185                     // ignore
 186                 }
 187
 188                 if( xNode2.is() )
 189                     o_rUpdateInfo.BuildId = xNode2->getNodeValue();
 190
 191                 o_rUpdateInfo.Description = aEntry.Description;
 192
 193                 // Release Notes
 194                 try {
 195                     xNodeList = xXPath->selectNodeList(xNode, aXPathExpression
 196                         + "/inst:relnote");
 197                 } catch (const css::xml::xpath::XPathException &) {
 198                     // ignore
 199                 }
 200                 imax = xNodeList->getLength();
 201                 for( i = 0; i < imax; ++i )
 202                 {
 203                     uno::Reference< xml::dom::XElement > xRelNote(xNodeList->item(i), uno::UNO_QUERY);
 204                     if( xRelNote.is() )
 205                     {
 206                         sal_Int32 pos = xRelNote->getAttribute("pos").toInt32();
 207
 208                         ReleaseNote aRelNote(static_cast<sal_uInt8>(pos), xRelNote->getAttribute("src"));
 209
 210                         if( xRelNote->hasAttribute("src2") )
 211                         {
 212                             pos = xRelNote->getAttribute("pos2").toInt32();
 213                             aRelNote.Pos2 = static_cast<sal_Int8>(pos);
 214                             aRelNote.URL2 = xRelNote->getAttribute("src2");
 215                         }
 216
 217                         o_rUpdateInfo.ReleaseNotes.push_back(aRelNote);
 218                     }
 219                 }
 220
 221                 if( !o_rUpdateInfo.Sources.empty() )
 222                     return true;
 223             }
 224         }
 225     }
 226     catch( ... )
 227     {
 228         return false;
 229     }
 230
 231     return true;
 232 }
 233
 234
 235 bool storeExtensionUpdateInfos( const uno::Reference< uno::XComponentContext > & rxContext,
 236                                 const uno::Sequence< uno::Sequence< OUString > > &rUpdateInfos )
 237 {
 238     bool bNotify = false;
 239
 240     if ( rUpdateInfos.hasElements() )
 241     {
 242         rtl::Reference< UpdateCheckConfig > aConfig = UpdateCheckConfig::get( rxContext );
 243
 244         for ( sal_Int32 i = rUpdateInfos.getLength() - 1; i >= 0; i-- )
 245         {
 246             bNotify |= aConfig->storeExtensionVersion( rUpdateInfos[i][0], rUpdateInfos[i][1] );
 247         }
 248     }
 249     return bNotify;
 250 }
 251
 252
 253 // Returns 'true' if there are updates for any extension
 254
 255 bool checkForExtensionUpdates( const uno::Reference< uno::XComponentContext > & rxContext )
 256 {
 257     uno::Sequence< uno::Sequence< OUString > > aUpdateList;
 258
 259     uno::Reference< deployment::XPackageInformationProvider > xInfoProvider;
 260     try
 261     {
 262         uno::Any aValue( rxContext->getValueByName(
 263                 "/singletons/com.sun.star.deployment.PackageInformationProvider" ) );
 264         OSL_VERIFY( aValue >>= xInfoProvider );
 265     }
 266     catch( const uno::Exception& )
 267     {
 268         OSL_FAIL( "checkForExtensionUpdates: could not create the PackageInformationProvider!" );
 269     }
 270
 271     if ( !xInfoProvider.is() ) return false;
 272
 273     aUpdateList = xInfoProvider->isUpdateAvailable( OUString() );
 274     bool bNotify = storeExtensionUpdateInfos( rxContext, aUpdateList );
 275
 276     return bNotify;
 277 }
 278
 279
 280 // Returns 'true' if there are any pending updates for any extension (offline check)
 281
 282 bool checkForPendingUpdates( const uno::Reference< uno::XComponentContext > & rxContext )
 283 {
 284     uno::Sequence< uno::Sequence< OUString > > aExtensionList;
 285     uno::Reference< deployment::XPackageInformationProvider > xInfoProvider;
 286     try
 287     {
 288         uno::Any aValue( rxContext->getValueByName(
 289                 "/singletons/com.sun.star.deployment.PackageInformationProvider" ) );
 290         OSL_VERIFY( aValue >>= xInfoProvider );
 291     }
 292     catch( const uno::Exception& )
 293     {
 294         OSL_FAIL( "checkForExtensionUpdates: could not create the PackageInformationProvider!" );
 295     }
 296
 297     if ( !xInfoProvider.is() ) return false;
 298
 299     bool bPendingUpdateFound = false;
 300
 301     aExtensionList = xInfoProvider->getExtensionList();
 302     if ( aExtensionList.hasElements() )
 303     {
 304         rtl::Reference< UpdateCheckConfig > aConfig = UpdateCheckConfig::get( rxContext );
 305
 306         for ( sal_Int32 i = aExtensionList.getLength() - 1; i >= 0; i-- )
 307         {
 308             bPendingUpdateFound = aConfig->checkExtensionVersion( aExtensionList[i][0], aExtensionList[i][1] );
 309             if ( bPendingUpdateFound )
 310                 break;
 311         }
 312     }
 313
 314     return bPendingUpdateFound;
 315 }
 316
 317 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */