ucb/source/ucp/webdav-curl/webdavresponseparser.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 "webdavresponseparser.hxx"
  21
  22 #include "DAVProperties.hxx"
  23 #include "UCBDeadPropertyValue.hxx"
  24
  25 #include <comphelper/processfactory.hxx>
  26 #include <comphelper/sequence.hxx>
  27
  28 #include <cppuhelper/implbase.hxx>
  29 #include <com/sun/star/xml/sax/Parser.hpp>
  30 #include <com/sun/star/xml/sax/InputSource.hpp>
  31 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
  32 #include <com/sun/star/ucb/LockEntry.hpp>
  33 #include <com/sun/star/ucb/LockScope.hpp>
  34 #include <com/sun/star/ucb/LockType.hpp>
  35 #include <com/sun/star/ucb/Lock.hpp>
  36 #include <map>
  37 #include <unordered_map>
  38 #include <rtl/ref.hxx>
  39 #include <rtl/uri.hxx>
  40 #include <sal/log.hxx>
  41 #include <o3tl/string_view.hxx>
  42
  43 using namespace com::sun::star;
  44 using namespace http_dav_ucp;
  45
  46
  47 // WebDAVNamespace enum and StringToEnum converter
  48 namespace
  49 {
  50     enum WebDAVNamespace
  51     {
  52         WebDAVNamespace_unknown = 0,
  53         WebDAVNamespace_DAV,
  54         WebDAVNamespace_ucb_openoffice_org_dav_props,
  55
  56         WebDAVNamespace_last
  57     };
  58
  59     WebDAVNamespace StrToWebDAVNamespace(::std::u16string_view rStr)
  60     {
  61         if (rStr == u"DAV:")
  62         {
  63             return WebDAVNamespace_DAV;
  64         }
  65         else if (rStr == u"http://ucb.openoffice.org/dav/props/")
  66         {
  67             return WebDAVNamespace_ucb_openoffice_org_dav_props;
  68         }
  69
  70         return WebDAVNamespace_unknown;
  71     }
  72 } // end of anonymous namespace
  73
  74 // WebDAVName enum and StringToEnum converter using unordered_map
  75 namespace
  76 {
  77     enum WebDAVName
  78     {
  79         WebDAVName_unknown = 0,
  80         WebDAVName_activelock,
  81         WebDAVName_lockdiscovery,
  82         WebDAVName_multistatus,
  83         WebDAVName_response,
  84         WebDAVName_href,
  85         WebDAVName_propstat,
  86         WebDAVName_prop,
  87         WebDAVName_resourcetype,
  88         WebDAVName_collection,
  89         WebDAVName_getcontenttype,
  90         WebDAVName_supportedlock,
  91         WebDAVName_lockentry,
  92         WebDAVName_lockscope,
  93         WebDAVName_depth,
  94         WebDAVName_locktoken,
  95         WebDAVName_exclusive,
  96         WebDAVName_locktype,
  97         WebDAVName_owner,
  98         WebDAVName_timeout,
  99         WebDAVName_write,
 100         WebDAVName_shared,
 101         WebDAVName_status,
 102         WebDAVName_getlastmodified,
 103         WebDAVName_creationdate,
 104         WebDAVName_getcontentlength,
 105         WebDAVName_type,
 106         WebDAVName_value,
 107         WebDAVName_ucbprop,
 108
 109         WebDAVName_last
 110     };
 111
 112     WebDAVName StrToWebDAVName(const OUString& rStr)
 113     {
 114         typedef std::unordered_map< OUString, WebDAVName > WebDAVNameMapper;
 115         typedef std::pair< OUString, WebDAVName > WebDAVNameValueType;
 116         static WebDAVNameMapper aWebDAVNameMapperList;
 117
 118         if(aWebDAVNameMapperList.empty())
 119         {
 120             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("activelock"), WebDAVName_activelock));
 121             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("lockdiscovery"), WebDAVName_lockdiscovery));
 122             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("multistatus"), WebDAVName_multistatus));
 123             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("response"), WebDAVName_response));
 124             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("href"), WebDAVName_href));
 125             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("propstat"), WebDAVName_propstat));
 126             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("prop"), WebDAVName_prop));
 127             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("resourcetype"), WebDAVName_resourcetype));
 128             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("collection"), WebDAVName_collection));
 129             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("getcontenttype"), WebDAVName_getcontenttype));
 130             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("supportedlock"), WebDAVName_supportedlock));
 131             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("lockentry"), WebDAVName_lockentry));
 132             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("lockscope"), WebDAVName_lockscope));
 133             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("depth"), WebDAVName_depth));
 134             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("locktoken"), WebDAVName_locktoken));
 135             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("exclusive"), WebDAVName_exclusive));
 136             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("locktype"), WebDAVName_locktype));
 137             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("owner"), WebDAVName_owner));
 138             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("timeout"), WebDAVName_timeout));
 139             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("write"), WebDAVName_write));
 140             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("shared"), WebDAVName_shared));
 141             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("status"), WebDAVName_status));
 142             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("getlastmodified"), WebDAVName_getlastmodified));
 143             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("creationdate"), WebDAVName_creationdate));
 144             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("getcontentlength"), WebDAVName_getcontentlength));
 145             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("type"), WebDAVName_type));
 146             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("value"), WebDAVName_value));
 147             aWebDAVNameMapperList.insert(WebDAVNameValueType(OUString("ucbprop"), WebDAVName_ucbprop));
 148         }
 149
 150         const WebDAVNameMapper::const_iterator aResult(aWebDAVNameMapperList.find(rStr));
 151
 152         if(aResult == aWebDAVNameMapperList.end())
 153         {
 154             return WebDAVName_unknown;
 155         }
 156         else
 157         {
 158             return aResult->second;
 159         }
 160     }
 161 } // end of anonymous namespace
 162
 163
 164 // WebDAVContext, holding information for each start/endElement pair
 165
 166 namespace
 167 {
 168     typedef std::map< OUString, OUString > NamespaceMap;
 169
 170     class WebDAVContext
 171     {
 172     private:
 173         WebDAVContext*              mpParent;
 174         NamespaceMap                maNamespaceMap;
 175         OUString             maWhiteSpace;
 176
 177         OUString             maNamespace;
 178         OUString             maName;
 179
 180         WebDAVNamespace             maWebDAVNamespace;
 181         WebDAVName                  maWebDAVName;
 182
 183         // local helpers
 184         void parseForNamespaceTokens(const uno::Reference< xml::sax::XAttributeList >& xAttribs);
 185         OUString mapNamespaceToken(const OUString& rToken) const;
 186         void splitName(const OUString& rSource);
 187
 188     public:
 189         WebDAVContext(WebDAVContext* pParent, const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs);
 190
 191         WebDAVContext* getParent() const { return mpParent; }
 192         OUString& getWhiteSpace() { return maWhiteSpace; }
 193         void setWhiteSpace(const OUString& rNew) { maWhiteSpace = rNew; }
 194
 195         const OUString& getNamespace() const { return maNamespace; }
 196         const OUString& getName() const { return maName; }
 197         const WebDAVNamespace& getWebDAVNamespace() const { return maWebDAVNamespace; }
 198         const WebDAVName& getWebDAVName() const { return maWebDAVName; }
 199     };
 200
 201     void WebDAVContext::parseForNamespaceTokens(const uno::Reference< xml::sax::XAttributeList >& xAttribs)
 202     {
 203         const sal_Int16 nAttributes(xAttribs->getLength());
 204
 205         for(sal_Int16 a(0); a < nAttributes; a++)
 206         {
 207             const OUString aName(xAttribs->getNameByIndex(a));
 208             const sal_Int32 nLen(aName.getLength());
 209
 210             if(nLen)
 211             {
 212                 if(aName.startsWith("xmlns"))
 213                 {
 214                     const sal_Int32 nIndex(aName.indexOf(':', 0));
 215
 216                     if(-1 != nIndex && nIndex + 1 < nLen)
 217                     {
 218                         const OUString aToken(aName.copy(nIndex + 1));
 219
 220                         maNamespaceMap.emplace(aToken, xAttribs->getValueByIndex(a));
 221                     }
 222                 }
 223             }
 224         }
 225     }
 226
 227     OUString WebDAVContext::mapNamespaceToken(const OUString& rToken) const
 228     {
 229         NamespaceMap::const_iterator iter = maNamespaceMap.find(rToken);
 230
 231         if(maNamespaceMap.end() == iter)
 232         {
 233             if(getParent())
 234             {
 235                 return getParent()->mapNamespaceToken(rToken);
 236             }
 237             else
 238             {
 239                 return rToken;
 240             }
 241         }
 242         else
 243         {
 244             return (*iter).second;
 245         }
 246     }
 247
 248     void WebDAVContext::splitName(const OUString& rSource)
 249     {
 250         const sal_Int32 nLen(rSource.getLength());
 251         maNamespace.clear();
 252         maName = rSource;
 253
 254         if(nLen)
 255         {
 256             const sal_Int32 nIndex(rSource.indexOf(':', 0));
 257
 258             if(nIndex > 0 && ((nIndex + 1) < nLen))
 259             {
 260                 maNamespace = mapNamespaceToken(rSource.copy(0, nIndex));
 261                 maName = rSource.copy(nIndex + 1);
 262             }
 263         }
 264     }
 265
 266     WebDAVContext::WebDAVContext(WebDAVContext* pParent, const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs)
 267     :   mpParent(pParent),
 268         maNamespaceMap(),
 269         maWhiteSpace(),
 270         maNamespace(),
 271         maName(),
 272         maWebDAVNamespace(WebDAVNamespace_unknown),
 273         maWebDAVName(WebDAVName_unknown)
 274     {
 275         const sal_Int16 nAttributes(xAttribs->getLength());
 276
 277         if(nAttributes)
 278         {
 279             // parse evtl. namespace entries
 280             parseForNamespaceTokens(xAttribs);
 281         }
 282
 283         // split name to namespace and name
 284         splitName(aName);
 285
 286         // evaluate enums for namespace and name
 287         maWebDAVNamespace = StrToWebDAVNamespace(maNamespace);
 288         maWebDAVName = StrToWebDAVName(maName);
 289     }
 290 } // end of anonymous namespace
 291
 292
 293 // the Xml parser itself
 294
 295 namespace
 296 {
 297     enum WebDAVResponseParserMode
 298     {
 299         WebDAVResponseParserMode_PropFind = 0,
 300         WebDAVResponseParserMode_PropName,
 301         WebDAVResponseParserMode_Lock
 302     };
 303
 304     class WebDAVResponseParser : public cppu::WeakImplHelper< css::xml::sax::XDocumentHandler >
 305     {
 306     private:
 307         std::vector< ucb::Lock >                      maResult_Lock;
 308         std::vector< http_dav_ucp::DAVResource >      maResult_PropFind;
 309         std::vector< http_dav_ucp::DAVResourceInfo >  maResult_PropName;
 310
 311         WebDAVContext*                              mpContext;
 312         OUString                             maHref;
 313         OUString                             maStatus;
 314         OUString m_UCBType;
 315         OUString m_UCBValue;
 316         std::vector< http_dav_ucp::DAVPropertyValue > maResponseProperties;
 317         std::vector< http_dav_ucp::DAVPropertyValue > maPropStatProperties;
 318         std::vector< OUString >              maResponseNames;
 319         std::vector< OUString >              maPropStatNames;
 320         uno::Sequence< ucb::LockEntry >             maLockEntries;
 321         ucb::LockScope                              maLockScope;
 322         ucb::LockType                               maLockType;
 323         ucb::Lock                                   maLock;
 324         WebDAVResponseParserMode                    meWebDAVResponseParserMode;
 325
 326         bool                                        mbResourceTypeCollection : 1;
 327         bool                                        mbLockScopeSet : 1;
 328         bool                                        mbLockTypeSet : 1;
 329
 330         // local helpers
 331         bool whitespaceIsAvailable() const
 332         {
 333             return mpContext && mpContext->getWhiteSpace().getLength();
 334         }
 335         bool hasParent(WebDAVName aWebDAVName) const
 336         {
 337             return mpContext && mpContext->getParent() && aWebDAVName == mpContext->getParent()->getWebDAVName();
 338         }
 339         bool propertyIsReady() const
 340         {
 341             return hasParent(WebDAVName_prop) && whitespaceIsAvailable();
 342         }
 343         bool isCollectingProperties() const
 344         {
 345             return WebDAVResponseParserMode_PropFind == meWebDAVResponseParserMode;
 346         }
 347         bool isCollectingPropNames() const
 348         {
 349             return WebDAVResponseParserMode_PropName == meWebDAVResponseParserMode;
 350         }
 351         bool collectThisPropertyAsName() const
 352         {
 353             return isCollectingPropNames() && hasParent(WebDAVName_prop);
 354         }
 355         void pop_context()
 356         {
 357             if(mpContext)
 358             {
 359                 WebDAVContext* pTemp = mpContext;
 360                 mpContext = mpContext->getParent();
 361                 delete pTemp;
 362             }
 363             else
 364             {
 365                 SAL_WARN( "ucb.ucp.webdav", "Parser context pop without context (!)");
 366             }
 367         }
 368
 369     public:
 370         explicit WebDAVResponseParser(WebDAVResponseParserMode eWebDAVResponseParserMode);
 371         virtual ~WebDAVResponseParser() override;
 372
 373         // Methods XDocumentHandler
 374         virtual void SAL_CALL startDocument(  ) override;
 375         virtual void SAL_CALL endDocument(  ) override;
 376         virtual void SAL_CALL startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs ) override;
 377         virtual void SAL_CALL endElement( const OUString& aName ) override;
 378         virtual void SAL_CALL characters( const OUString& aChars ) override;
 379         virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces ) override;
 380         virtual void SAL_CALL processingInstruction( const OUString& aTarget, const OUString& aData ) override;
 381         virtual void SAL_CALL setDocumentLocator( const uno::Reference< xml::sax::XLocator >& xLocator ) override;
 382
 383         const std::vector< ucb::Lock >& getResult_Lock() const { return maResult_Lock; }
 384         const std::vector< http_dav_ucp::DAVResource >& getResult_PropFind() const { return maResult_PropFind; }
 385         const std::vector< http_dav_ucp::DAVResourceInfo >& getResult_PropName() const { return maResult_PropName; }
 386     };
 387
 388     WebDAVResponseParser::WebDAVResponseParser(WebDAVResponseParserMode eWebDAVResponseParserMode)
 389     :   maResult_PropFind(),
 390         maResult_PropName(),
 391         mpContext(nullptr),
 392         maHref(),
 393         maStatus(),
 394         maResponseProperties(),
 395         maPropStatProperties(),
 396         maResponseNames(),
 397         maPropStatNames(),
 398         maLockEntries(),
 399         maLockScope(ucb::LockScope_EXCLUSIVE),
 400         maLockType(ucb::LockType_WRITE),
 401         meWebDAVResponseParserMode(eWebDAVResponseParserMode),
 402         mbResourceTypeCollection(false),
 403         mbLockScopeSet(false),
 404         mbLockTypeSet(false)
 405     {
 406     }
 407
 408     WebDAVResponseParser::~WebDAVResponseParser()
 409     {
 410         SAL_WARN_IF(mpContext, "ucb.ucp.webdav", "Parser destructed with existing content (!)");
 411         while(mpContext)
 412         {
 413             pop_context();
 414         }
 415     }
 416
 417     void SAL_CALL WebDAVResponseParser::startDocument(  )
 418     {
 419         SAL_WARN_IF(mpContext, "ucb.ucp.webdav", "Parser start with existing content (!)");
 420     }
 421
 422     void SAL_CALL WebDAVResponseParser::endDocument(  )
 423     {
 424         SAL_WARN_IF(mpContext, "ucb.ucp.webdav", "Parser end with existing content (!)");
 425     }
 426
 427     void SAL_CALL WebDAVResponseParser::startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs )
 428     {
 429         const sal_Int32 nLen(aName.getLength());
 430
 431         if(nLen)
 432         {
 433             // create new context (push)
 434             mpContext = new WebDAVContext(mpContext, aName, xAttribs);
 435
 436             if(collectThisPropertyAsName())
 437             {
 438                 // When collecting property names and parent is prop there is no need
 439                 // to handle the content of this property deeper (evtl. preparations)
 440             }
 441             else
 442             {
 443                 switch(mpContext->getWebDAVNamespace())
 444                 {
 445                     default: // WebDAVNamespace_unknown, WebDAVNamespace_last or unhandled
 446                     {
 447                         break;
 448                     }
 449                     case WebDAVNamespace_DAV:
 450                     {
 451                         switch(mpContext->getWebDAVName())
 452                         {
 453                             default: // WebDAVName_unknown, WebDAVName_last or unhandled
 454                             {
 455                                 break;
 456                             }
 457                             case WebDAVName_propstat:
 458                             {
 459                                 // propstat start
 460                                 if(isCollectingProperties())
 461                                 {
 462                                     // reset maPropStatProperties
 463                                     maPropStatProperties.clear();
 464                                 }
 465                                 else
 466                                 {
 467                                     // when collecting properties reset maPropStatNames
 468                                     maPropStatNames.clear();
 469                                 }
 470                                 break;
 471                             }
 472                             case WebDAVName_response:
 473                             {
 474                                 // response start, reset Href and status and maResponseProperties
 475                                 maHref.clear();
 476                                 maStatus.clear();
 477
 478                                 if(isCollectingProperties())
 479                                 {
 480                                     // reset maResponseProperties
 481                                     maResponseProperties.clear();
 482                                 }
 483                                 else
 484                                 {
 485                                     // reset maResponseNames when collecting properties
 486                                     maResponseNames.clear();
 487                                 }
 488                                 break;
 489                             }
 490                             case WebDAVName_resourcetype:
 491                             {
 492                                 // resourcetype start, reset collection
 493                                 mbResourceTypeCollection = false;
 494                                 break;
 495                             }
 496                             case WebDAVName_supportedlock:
 497                             {
 498                                 // supportedlock start, reset maLockEntries
 499                                 maLockEntries.realloc(0);
 500                                 break;
 501                             }
 502                             case WebDAVName_lockentry:
 503                             {
 504                                 // lockentry start, reset maLockEntries
 505                                 mbLockScopeSet = false;
 506                                 mbLockTypeSet = false;
 507                                 break;
 508                             }
 509                             case WebDAVName_activelock:
 510                             {
 511                                 maLock = ucb::Lock();
 512                                 break;
 513                             }
 514                         }
 515                         break;
 516                     }
 517                     case WebDAVNamespace_ucb_openoffice_org_dav_props:
 518                     {
 519                         break;
 520                     }
 521                 }
 522             }
 523         }
 524     }
 525
 526     OUString MakePropertyName(WebDAVContext const& rContext)
 527     {
 528         OUString ret;
 529         OString const name(OUStringToOString(rContext.getName(), RTL_TEXTENCODING_UTF8));
 530         OString const nameSpace(OUStringToOString(rContext.getNamespace(), RTL_TEXTENCODING_UTF8));
 531         DAVProperties::createUCBPropName(nameSpace.getStr(), name.getStr(), ret);
 532         return ret;
 533     }
 534
 535     void SAL_CALL WebDAVResponseParser::endElement( const OUString& aName )
 536     {
 537         const sal_Int32 nLen(aName.getLength());
 538         SAL_WARN_IF(!mpContext, "ucb.ucp.webdav", "Parser EndElement without content (!)");
 539
 540         if(mpContext && nLen)
 541         {
 542             if(collectThisPropertyAsName())
 543             {
 544                 // name must be encoded as expected by createSerfPropName()
 545                 OUString const name(MakePropertyName(*mpContext));
 546                 maPropStatNames.emplace_back(name);
 547             }
 548             else
 549             {
 550                 switch(mpContext->getWebDAVNamespace())
 551                 {
 552                     default: // WebDAVNamespace_unknown, WebDAVNamespace_last or unhandled
 553                     {
 554                         break;
 555                     }
 556                     case WebDAVNamespace_DAV:
 557                     {
 558                         switch(mpContext->getWebDAVName())
 559                         {
 560                             default: // WebDAVName_unknown, WebDAVName_last or unhandled
 561                             {
 562                                 break;
 563                             }
 564                             case WebDAVName_href:
 565                             {
 566                                 // href end, save it if we have whitespace
 567                                 if(whitespaceIsAvailable())
 568                                 {
 569                                     // Sharepoint 2016 workaround: apparently
 570                                     // the result is an IRI (RFC 3987 possibly?)
 571                                     // so try to encode the non-ASCII chars
 572                                     // without changing anything else
 573                                     maHref = ::rtl::Uri::encode(mpContext->getWhiteSpace(),
 574                                             rtl_UriCharClassUric, rtl_UriEncodeKeepEscapes,
 575                                             RTL_TEXTENCODING_UTF8);
 576                                 }
 577                                 break;
 578                             }
 579                             case WebDAVName_status:
 580                             {
 581                                 // status end, save it if we have whitespace
 582                                 if(whitespaceIsAvailable())
 583                                 {
 584                                     maStatus = mpContext->getWhiteSpace();
 585                                 }
 586                                 break;
 587                             }
 588                             case WebDAVName_getlastmodified:
 589                             {
 590                                 // getlastmodified end, safe if content is correct
 591                                 if(propertyIsReady())
 592                                 {
 593                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 594
 595                                     aDAVPropertyValue.Name = "DAV:getlastmodified";
 596                                     aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
 597                                     maPropStatProperties.push_back(aDAVPropertyValue);
 598                                 }
 599                                 break;
 600                             }
 601                             case WebDAVName_creationdate:
 602                             {
 603                                 // creationdate end, safe if content is correct
 604                                 if(propertyIsReady())
 605                                 {
 606                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 607
 608                                     aDAVPropertyValue.Name = "DAV:creationdate";
 609                                     aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
 610                                     maPropStatProperties.push_back(aDAVPropertyValue);
 611                                 }
 612                                 break;
 613                             }
 614                             case WebDAVName_collection:
 615                             {
 616                                 // collection end, check and set
 617                                 if(hasParent(WebDAVName_resourcetype))
 618                                 {
 619                                     mbResourceTypeCollection = true;
 620                                 }
 621                                 break;
 622                             }
 623                             case WebDAVName_resourcetype:
 624                             {
 625                                 // resourcetype end, check for collection
 626                                 if(hasParent(WebDAVName_prop))
 627                                 {
 628                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 629
 630                                     aDAVPropertyValue.Name = "DAV:resourcetype";
 631                                     aDAVPropertyValue.Value <<= (mbResourceTypeCollection ? OUString("collection") : OUString());
 632                                     maPropStatProperties.push_back(aDAVPropertyValue);
 633                                 }
 634                                 break;
 635                             }
 636                             case WebDAVName_getcontentlength:
 637                             {
 638                                 // getcontentlength end, safe if content is correct
 639                                 if(propertyIsReady())
 640                                 {
 641                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 642
 643                                     aDAVPropertyValue.Name = "DAV:getcontentlength";
 644                                     aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
 645                                     maPropStatProperties.push_back(aDAVPropertyValue);
 646                                 }
 647                                 break;
 648                             }
 649                             case WebDAVName_getcontenttype:
 650                             {
 651                                 // getcontenttype end, safe if content is correct
 652                                 if(propertyIsReady())
 653                                 {
 654                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 655
 656                                     aDAVPropertyValue.Name = "DAV:getcontenttype";
 657                                     aDAVPropertyValue.Value <<= mpContext->getWhiteSpace();
 658                                     maPropStatProperties.push_back(aDAVPropertyValue);
 659                                 }
 660                                 break;
 661                             }
 662                             case WebDAVName_supportedlock:
 663                             {
 664                                 // supportedlock end
 665                                 if(hasParent(WebDAVName_prop) && maLockEntries.hasElements())
 666                                 {
 667                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 668
 669                                     aDAVPropertyValue.Name = "DAV:supportedlock";
 670                                     aDAVPropertyValue.Value <<= maLockEntries;
 671                                     maPropStatProperties.push_back(aDAVPropertyValue);
 672                                 }
 673                                 break;
 674                             }
 675                             case WebDAVName_lockentry:
 676                             {
 677                                 // lockentry end
 678                                 if(hasParent(WebDAVName_supportedlock) && (mbLockScopeSet && mbLockTypeSet))
 679                                 {
 680                                     const sal_Int32 nLength(maLockEntries.getLength());
 681                                     ucb::LockEntry aEntry;
 682
 683                                     aEntry.Scope = maLockScope;
 684                                     aEntry.Type = maLockType;
 685                                     maLockEntries.realloc(nLength + 1);
 686                                     maLockEntries.getArray()[nLength] = aEntry;
 687                                 }
 688                                 break;
 689                             }
 690                             case WebDAVName_owner:
 691                             {
 692                                 maLock.Owner <<= mpContext->getWhiteSpace();
 693                                 break;
 694                             }
 695                             case WebDAVName_timeout:
 696                             {
 697                                 const OUString sTimeout(mpContext->getWhiteSpace());
 698                                 if (sTimeout == "Infinite")
 699                                     maLock.Timeout = -1;
 700                                 else if (sTimeout.startsWith("Second-"))
 701                                     maLock.Timeout = o3tl::toInt64(sTimeout.subView(7));
 702                                 break;
 703                             }
 704                             case WebDAVName_locktoken:
 705                             {
 706                                 const OUString sLockToken(maHref);
 707                                 SAL_WARN_IF(!sLockToken.startsWith("opaquelocktoken:"), "ucb.ucp.webdav",
 708                                         "Parser error: wrong 'locktoken' value.");
 709                                 const sal_Int32 nLength(maLock.LockTokens.getLength());
 710                                 maLock.LockTokens.realloc(nLength+1);
 711                                 maLock.LockTokens.getArray()[nLength] = sLockToken;
 712                                 break;
 713                             }
 714                             case WebDAVName_exclusive:
 715                             {
 716                                 // exclusive lockscope end
 717                                 if(hasParent(WebDAVName_lockscope))
 718                                 {
 719                                     maLockScope = ucb::LockScope_EXCLUSIVE;
 720                                     mbLockScopeSet = true;
 721                                 }
 722                                 break;
 723                             }
 724                             case WebDAVName_shared:
 725                             {
 726                                 // shared lockscope end
 727                                 if(hasParent(WebDAVName_lockscope))
 728                                 {
 729                                     maLockScope = ucb::LockScope_SHARED;
 730                                     mbLockScopeSet = true;
 731                                 }
 732                                 break;
 733                             }
 734                             case WebDAVName_write:
 735                             {
 736                                 // write locktype end
 737                                 if(hasParent(WebDAVName_locktype))
 738                                 {
 739                                     maLockType = ucb::LockType_WRITE;
 740                                     mbLockTypeSet = true;
 741                                 }
 742                                 break;
 743                             }
 744                             case WebDAVName_depth:
 745                             {
 746                                 OUString const chars(mpContext->getWhiteSpace());
 747                                 if (chars == "0")
 748                                 {
 749                                     maLock.Depth = ucb::LockDepth_ZERO;
 750                                 }
 751                                 else if (chars == "1")
 752                                 {
 753                                     maLock.Depth = ucb::LockDepth_ONE;
 754                                 }
 755                                 else if (chars == "infinity")
 756                                 {
 757                                     maLock.Depth = ucb::LockDepth_INFINITY;
 758                                 }
 759                                 break;
 760                             }
 761                             case WebDAVName_activelock:
 762                             {
 763                                 maLock.Type = maLockType;
 764                                 maLock.Scope = maLockScope;
 765                                 maResult_Lock.push_back(maLock);
 766                                 break;
 767                             }
 768                             case WebDAVName_lockdiscovery:
 769                             {
 770                                 // lockdiscovery may be requested via PROPFIND,
 771                                 // in addition to LOCK! so return it 2 ways
 772                                 if (isCollectingProperties())
 773                                 {
 774                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 775
 776                                     aDAVPropertyValue.Name = "DAV:lockdiscovery";
 777                                     aDAVPropertyValue.Value <<= ::comphelper::containerToSequence(maResult_Lock);
 778                                     maPropStatProperties.push_back(aDAVPropertyValue);
 779                                 }
 780                                 break;
 781                             }
 782                             case WebDAVName_propstat:
 783                             {
 784                                 // propstat end, check status
 785                                 if(maStatus.getLength())
 786                                 {
 787                                     if(maStatus == "HTTP/1.1 200 OK")
 788                                     {
 789                                         if(isCollectingProperties())
 790                                         {
 791                                             if(!maPropStatProperties.empty())
 792                                             {
 793                                                 // append to maResponseProperties if okay
 794                                                 maResponseProperties.insert(maResponseProperties.end(), maPropStatProperties.begin(), maPropStatProperties.end());
 795                                             }
 796                                         }
 797                                         else
 798                                         {
 799                                             if(!maPropStatNames.empty())
 800                                             {
 801                                                 // when collecting properties append to
 802                                                 maResponseNames.insert(maResponseNames.end(), maPropStatNames.begin(), maPropStatNames.end());
 803                                             }
 804                                         }
 805                                     }
 806                                 }
 807                                 break;
 808                             }
 809                             case WebDAVName_response:
 810                             {
 811                                 // response end
 812                                 if(maHref.getLength())
 813                                 {
 814                                     if(isCollectingProperties())
 815                                     {
 816                                         // create DAVResource when we have content
 817                                         if(!maResponseProperties.empty())
 818                                         {
 819                                             http_dav_ucp::DAVResource aDAVResource;
 820
 821                                             aDAVResource.uri = maHref;
 822                                             aDAVResource.properties = maResponseProperties;
 823                                             maResult_PropFind.push_back(aDAVResource);
 824                                         }
 825                                     }
 826                                     else
 827                                     {
 828                                         // when collecting properties add them to result when there are some
 829                                         if(!maResponseNames.empty())
 830                                         {
 831                                             http_dav_ucp::DAVResourceInfo aDAVResourceInfo;
 832
 833                                             aDAVResourceInfo.properties = maResponseNames;
 834                                             maResult_PropName.push_back(aDAVResourceInfo);
 835                                         }
 836                                     }
 837                                 }
 838                                 break;
 839                             }
 840                         }
 841                         break;
 842                     }
 843                     case WebDAVNamespace_ucb_openoffice_org_dav_props:
 844                     {
 845                         switch(mpContext->getWebDAVName())
 846                         {
 847                             case WebDAVName_type:
 848                             {
 849                                 m_UCBType = mpContext->getWhiteSpace();
 850                                 break;
 851                             }
 852                             case WebDAVName_value:
 853                             {
 854                                 m_UCBValue = mpContext->getWhiteSpace();
 855                                 break;
 856                             }
 857                             case WebDAVName_ucbprop:
 858                             {
 859                                 if (!m_UCBType.isEmpty()
 860                                     && isCollectingProperties())
 861                                 {
 862                                     http_dav_ucp::DAVPropertyValue aDAVPropertyValue;
 863                                     aDAVPropertyValue.Name = MakePropertyName(*mpContext->getParent());
 864                                     if (UCBDeadPropertyValue::createFromXML(m_UCBType, m_UCBValue, aDAVPropertyValue.Value))
 865                                     {
 866                                         maPropStatProperties.push_back(aDAVPropertyValue);
 867                                     }
 868                                     else
 869                                     {
 870                                         SAL_INFO("ucb.ucp.webdav.curl", "cannot parse property value");
 871                                     }
 872                                 }
 873                                 m_UCBType.clear();
 874                                 m_UCBValue.clear();
 875                                 break;
 876                             }
 877                             default:
 878                             break;
 879                         }
 880                         break;
 881                     }
 882                 }
 883             }
 884
 885             // destroy last context (pop)
 886             pop_context();
 887         }
 888     }
 889
 890     void SAL_CALL WebDAVResponseParser::characters( const OUString& aChars )
 891     {
 892         // collect whitespace over evtl. several calls in mpContext
 893         SAL_WARN_IF(!mpContext, "ucb.ucp.webdav", "Parser characters without content (!)");
 894         const sal_Int32 nLen(aChars.getLength());
 895
 896         if(mpContext && nLen)
 897         {
 898             // remove leading/trailing blanks and CRLF
 899             const OUString aTrimmedChars(aChars.trim());
 900
 901             if(aTrimmedChars.getLength())
 902             {
 903                 OUString aNew(mpContext->getWhiteSpace());
 904
 905                 if(aNew.getLength())
 906                 {
 907                     // add one char when appending (see html1.1 spec)
 908                     aNew += " ";
 909                 }
 910
 911                 aNew += aTrimmedChars;
 912                 mpContext->setWhiteSpace(aNew);
 913             }
 914         }
 915     }
 916
 917     void SAL_CALL WebDAVResponseParser::ignorableWhitespace( const OUString& /*aWhitespaces*/ )
 918     {
 919     }
 920
 921     void SAL_CALL WebDAVResponseParser::processingInstruction( const OUString& /*aTarget*/, const OUString& /*aData*/ )
 922     {
 923     }
 924
 925     void SAL_CALL WebDAVResponseParser::setDocumentLocator( const uno::Reference< xml::sax::XLocator >& /*xLocator*/ )
 926     {
 927     }
 928 } // end of anonymous namespace
 929
 930
 931 // wrapper for various calls to the parser
 932
 933 namespace
 934 {
 935     template<typename T>
 936     void parseWebDAVResponse(
 937         const uno::Reference< io::XInputStream >& xInputStream,
 938         std::vector< T >& rResult,
 939         WebDAVResponseParserMode eWebDAVResponseParserMode,
 940         std::vector<T> const & (WebDAVResponseParser::* fn)() const)
 941     {
 942         if(xInputStream.is())
 943         {
 944             try
 945             {
 946                 // prepare ParserInputSource
 947                 xml::sax::InputSource myInputSource;
 948                 myInputSource.aInputStream = xInputStream;
 949
 950                 // get parser
 951                 uno::Reference< xml::sax::XParser > xParser = xml::sax::Parser::create(
 952                     comphelper::getProcessComponentContext() );
 953
 954                 // create parser; connect parser and filter
 955                 rtl::Reference<WebDAVResponseParser> const pWebDAVResponseParser(
 956                         new WebDAVResponseParser(eWebDAVResponseParserMode));
 957                 uno::Reference< xml::sax::XDocumentHandler > xWebDAVHdl(pWebDAVResponseParser);
 958                 xParser->setDocumentHandler(xWebDAVHdl);
 959
 960                 // finally, parse the stream
 961                 xParser->parseStream(myInputSource);
 962
 963                 // get result
 964                 rResult = (pWebDAVResponseParser.get()->*fn)();
 965             }
 966             catch(uno::Exception&)
 967             {
 968                 SAL_WARN("ucb.ucp.webdav", "WebDAV Parse error (!)");
 969             }
 970         }
 971     }
 972 } // end of anonymous namespace
 973
 974
 975 // helper to parse a XML WebDAV response
 976
 977 namespace http_dav_ucp
 978 {
 979     std::vector< ucb::Lock > parseWebDAVLockResponse(const uno::Reference< io::XInputStream >& xInputStream)
 980     {
 981         std::vector< ucb::Lock > aResult;
 982         parseWebDAVResponse< ucb::Lock >(xInputStream, aResult, WebDAVResponseParserMode_Lock, &WebDAVResponseParser::getResult_Lock);
 983         return aResult;
 984     }
 985
 986     std::vector< DAVResource > parseWebDAVPropFindResponse(const uno::Reference< io::XInputStream >& xInputStream)
 987     {
 988         std::vector< DAVResource > aResult;
 989         parseWebDAVResponse< DAVResource >(xInputStream, aResult, WebDAVResponseParserMode_PropFind, &WebDAVResponseParser::getResult_PropFind);
 990         return aResult;
 991     }
 992
 993     std::vector< DAVResourceInfo > parseWebDAVPropNameResponse(const uno::Reference< io::XInputStream >& xInputStream)
 994     {
 995         std::vector< DAVResourceInfo > aResult;
 996         parseWebDAVResponse< DAVResourceInfo >(xInputStream, aResult, WebDAVResponseParserMode_PropName, &WebDAVResponseParser::getResult_PropName);
 997         return aResult;
 998     }
 999 } // namespace http_dav_ucp
1000
1001 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */