xref: /aoo41x/main/sw/source/ui/uno/swdetect.cxx (revision cdf0e10c)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_sw.hxx"
30 #include "swdetect.hxx"
31 
32 #include <framework/interaction.hxx>
33 #include <com/sun/star/frame/XFrame.hpp>
34 #include <com/sun/star/frame/XModel.hpp>
35 #include <com/sun/star/lang/XUnoTunnel.hpp>
36 #ifndef _UNOTOOLS_PROCESSFACTORY_HXX
37 #include <comphelper/processfactory.hxx>
38 #endif
39 #include <com/sun/star/container/XNameAccess.hpp>
40 #include <com/sun/star/io/XInputStream.hpp>
41 #include <com/sun/star/task/XInteractionHandler.hpp>
42 #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
43 #include <com/sun/star/ucb/CommandAbortedException.hpp>
44 #include <com/sun/star/ucb/InteractiveAppException.hpp>
45 #include <com/sun/star/ucb/XContent.hpp>
46 #include <com/sun/star/packages/zip/ZipIOException.hpp>
47 #ifndef _TOOLKIT_UNOHLP_HXX
48 #include <toolkit/helper/vclunohelper.hxx>
49 #endif
50 #include <ucbhelper/simpleinteractionrequest.hxx>
51 #include <rtl/ustring.h>
52 #include <rtl/logfile.hxx>
53 #include <svl/itemset.hxx>
54 #include <vcl/window.hxx>
55 #include <svl/eitem.hxx>
56 #include <svl/stritem.hxx>
57 #include <tools/urlobj.hxx>
58 #include <vos/mutex.hxx>
59 #include <svtools/sfxecode.hxx>
60 #include <svtools/ehdl.hxx>
61 #include <sot/storinfo.hxx>
62 #include <vcl/svapp.hxx>
63 #include <sfx2/app.hxx>
64 #include <sfx2/sfxsids.hrc>
65 #include <sfx2/request.hxx>
66 #include <sfx2/docfile.hxx>
67 #include <sfx2/docfilt.hxx>
68 #include <sfx2/fcontnr.hxx>
69 #include <sfx2/brokenpackageint.hxx>
70 #include <svtools/FilterConfigItem.hxx>
71 #include <unotools/moduleoptions.hxx>
72 #include <com/sun/star/util/XArchiver.hpp>
73 #include <comphelper/ihwrapnofilter.hxx>
74 
75 #include <swdll.hxx>
76 
77 using namespace ::com::sun::star;
78 using namespace ::com::sun::star::uno;
79 using namespace ::com::sun::star::io;
80 using namespace ::com::sun::star::frame;
81 using namespace ::com::sun::star::task;
82 using namespace ::com::sun::star::beans;
83 using namespace ::com::sun::star::lang;
84 using namespace ::com::sun::star::ucb;
85 using ::rtl::OUString;
86 
87 SwFilterDetect::SwFilterDetect( const REFERENCE < lang::XMultiServiceFactory >& /*xFactory*/ )
88 {
89 }
90 
91 SwFilterDetect::~SwFilterDetect()
92 {
93 }
94 
95 ::rtl::OUString SAL_CALL SwFilterDetect::detect( uno::Sequence< beans::PropertyValue >& lDescriptor ) throw( uno::RuntimeException )
96 {
97     REFERENCE< XInputStream > xStream;
98     REFERENCE< XContent > xContent;
99     REFERENCE< XInteractionHandler > xInteraction;
100     String aURL;
101 	::rtl::OUString sTemp;
102     String aTypeName;            // a name describing the type (from MediaDescriptor, usually from flat detection)
103     String aPreselectedFilterName;      // a name describing the filter to use (from MediaDescriptor, usually from UI action)
104 
105 	::rtl::OUString aDocumentTitle; // interesting only if set in this method
106 
107 	// opening as template is done when a parameter tells to do so and a template filter can be detected
108     // (otherwise no valid filter would be found) or if the detected filter is a template filter and
109 	// there is no parameter that forbids to open as template
110 	sal_Bool bOpenAsTemplate = sal_False;
111     sal_Bool bWasReadOnly = sal_False, bReadOnly = sal_False;
112 
113 	sal_Bool bRepairPackage = sal_False;
114 	sal_Bool bRepairAllowed = sal_False;
115 
116 	// now some parameters that can already be in the array, but may be overwritten or new inserted here
117 	// remember their indices in the case new values must be added to the array
118 	sal_Int32 nPropertyCount = lDescriptor.getLength();
119     sal_Int32 nIndexOfFilterName = -1;
120     sal_Int32 nIndexOfInputStream = -1;
121     sal_Int32 nIndexOfContent = -1;
122     sal_Int32 nIndexOfReadOnlyFlag = -1;
123     sal_Int32 nIndexOfTemplateFlag = -1;
124     sal_Int32 nIndexOfDocumentTitle = -1;
125     sal_Int32 nIndexOfInteractionHandler = -1;
126 
127     for( sal_Int32 nProperty=0; nProperty<nPropertyCount; ++nProperty )
128 	{
129         // extract properties
130         if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("URL")) )
131 		{
132 			lDescriptor[nProperty].Value >>= sTemp;
133 			aURL = sTemp;
134 		}
135         else if( !aURL.Len() && lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("FileName")) )
136 		{
137 			lDescriptor[nProperty].Value >>= sTemp;
138 			aURL = sTemp;
139 		}
140         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("TypeName")) )
141 		{
142 			lDescriptor[nProperty].Value >>= sTemp;
143             aTypeName = sTemp;
144 		}
145         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("FilterName")) )
146 		{
147 			lDescriptor[nProperty].Value >>= sTemp;
148             aPreselectedFilterName = sTemp;
149 
150             // if the preselected filter name is not correct, it must be erased after detection
151             // remember index of property to get access to it later
152             nIndexOfFilterName = nProperty;
153 		}
154         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("InputStream")) )
155             nIndexOfInputStream = nProperty;
156         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("ReadOnly")) )
157             nIndexOfReadOnlyFlag = nProperty;
158         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("UCBContent")) )
159             nIndexOfContent = nProperty;
160         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("AsTemplate")) )
161 		{
162 			lDescriptor[nProperty].Value >>= bOpenAsTemplate;
163             nIndexOfTemplateFlag = nProperty;
164 		}
165         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("InteractionHandler")) )
166         {
167             lDescriptor[nProperty].Value >>= xInteraction;
168             nIndexOfInteractionHandler = nProperty;
169         }
170         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("RepairPackage")) )
171             lDescriptor[nProperty].Value >>= bRepairPackage;
172         else if( lDescriptor[nProperty].Name == OUString(RTL_CONSTASCII_USTRINGPARAM("DocumentTitle")) )
173             nIndexOfDocumentTitle = nProperty;
174 	}
175 
176     // can't check the type for external filters, so set the "dont" flag accordingly
177     ::vos::OGuard aGuard( Application::GetSolarMutex() );
178     //SfxFilterFlags nMust = SFX_FILTER_IMPORT, nDont = SFX_FILTER_NOTINSTALLED;
179 
180     SfxApplication* pApp = SFX_APP();
181     SfxAllItemSet *pSet = new SfxAllItemSet( pApp->GetPool() );
182     TransformParameters( SID_OPENDOC, lDescriptor, *pSet );
183     SFX_ITEMSET_ARG( pSet, pItem, SfxBoolItem, SID_DOC_READONLY, sal_False );
184 
185     bWasReadOnly = pItem && pItem->GetValue();
186 
187 	const SfxFilter* pFilter = 0;
188 	String aPrefix = String::CreateFromAscii( "private:factory/" );
189 	if( aURL.Match( aPrefix ) == aPrefix.Len() )
190 	{
191 		if( SvtModuleOptions().IsWriter() )
192 		{
193 			String aPattern( aPrefix );
194 			aPattern += String::CreateFromAscii("swriter");
195 			if ( aURL.Match( aPattern ) >= aPattern.Len() )
196 				//pFilter = SfxFilter::GetDefaultFilterFromFactory( aURL );
197 				return aTypeName;
198 		}
199 	}
200 	else
201 	{
202 	    // ctor of SfxMedium uses owner transition of ItemSet
203 	    SfxMedium aMedium( aURL, bWasReadOnly ? STREAM_STD_READ : STREAM_STD_READWRITE, sal_False, NULL, pSet );
204 	    aMedium.UseInteractionHandler( sal_True );
205 	    if ( aMedium.GetErrorCode() == ERRCODE_NONE )
206 	    {
207 	        // remember input stream and content and put them into the descriptor later
208 			// should be done here since later the medium can switch to a version
209 	        xStream = aMedium.GetInputStream();
210 			xContent = aMedium.GetContent();
211             bReadOnly = aMedium.IsReadOnly();
212 
213         	sal_Bool bIsStorage = aMedium.IsStorage();
214             if ( bIsStorage )
215 			{
216                 uno::Reference< embed::XStorage > xStorage = aMedium.GetStorage( sal_False );
217 				if ( aMedium.GetLastStorageCreationState() != ERRCODE_NONE )
218 				{
219 					// error during storage creation means _here_ that the medium
220                     // is broken, but we can not handle it in medium since impossibility
221 					// to create a storage does not _always_ means that the medium is broken
222 					aMedium.SetError( aMedium.GetLastStorageCreationState(), ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ) );
223 					if ( xInteraction.is() )
224 					{
225 						OUString empty;
226 						try
227 						{
228 							InteractiveAppException xException( empty,
229 															REFERENCE< XInterface >(),
230 															InteractionClassification_ERROR,
231 															aMedium.GetError() );
232 
233 							REFERENCE< XInteractionRequest > xRequest(
234 								new ucbhelper::SimpleInteractionRequest( makeAny( xException ),
235 																 	 ucbhelper::CONTINUATION_APPROVE ) );
236 							xInteraction->handle( xRequest );
237 						}
238 						catch ( Exception & ) {};
239 					}
240 				}
241 				else
242 				{
243 					DBG_ASSERT( xStorage.is(), "At this point storage must exist!" );
244 
245 					try
246 					{
247                         const SfxFilter* pPreFilter = aPreselectedFilterName.Len() ?
248                                 SfxFilterMatcher().GetFilter4FilterName( aPreselectedFilterName ) : aTypeName.Len() ?
249                                 SfxFilterMatcher(String::CreateFromAscii("swriter")).GetFilter4EA( aTypeName ) : 0;
250                         if (!pPreFilter)
251                             pPreFilter = SfxFilterMatcher(String::CreateFromAscii("sweb")).GetFilter4EA( aTypeName );
252                         String aFilterName;
253                         if ( pPreFilter )
254                         {
255                             aFilterName = pPreFilter->GetName();
256                             aTypeName = pPreFilter->GetTypeName();
257                         }
258 
259                         aTypeName = SfxFilter::GetTypeFromStorage( xStorage, pPreFilter ? pPreFilter->IsOwnTemplateFormat() : sal_False, &aFilterName );
260 					}
261 					catch( lang::WrappedTargetException& aWrap )
262 					{
263 						packages::zip::ZipIOException aZipException;
264 
265 						// repairing is done only if this type is requested from outside
266                         // we don't do any type detection on broken packages (f.e. because it might be impossible), so any requested
267                         // type will be accepted if the user allows to repair the file
268                         if ( ( aWrap.TargetException >>= aZipException ) && ( aTypeName.Len() || aPreselectedFilterName.Len() ) )
269 						{
270 							if ( xInteraction.is() )
271 							{
272                                 // the package is a broken one
273        							aDocumentTitle = aMedium.GetURLObject().getName(
274 															INetURLObject::LAST_SEGMENT,
275 															true,
276 															INetURLObject::DECODE_WITH_CHARSET );
277 
278 								if ( !bRepairPackage )
279 								{
280                                     // ask the user whether he wants to try to repair
281                                     RequestPackageReparation aRequest( aDocumentTitle );
282                                     xInteraction->handle( aRequest.GetRequest() );
283                                     bRepairAllowed = aRequest.isApproved();
284 								}
285 
286 								if ( !bRepairAllowed )
287 								{
288 									// repair either not allowed or not successful
289 									// repair either not allowed or not successful
290                                     NotifyBrokenPackage aNotifyRequest( aDocumentTitle );
291                                     xInteraction->handle( aNotifyRequest.GetRequest() );
292 
293                                     rtl::Reference< ::comphelper::OIHWrapNoFilterDialog > xHandler = new ::comphelper::OIHWrapNoFilterDialog( xInteraction );
294                                     if ( nIndexOfInteractionHandler != -1 )
295                                         lDescriptor[nIndexOfInteractionHandler].Value <<= uno::Reference< XInteractionHandler >( static_cast< task::XInteractionHandler* >( xHandler.get() ) );
296 
297 									aMedium.SetError( ERRCODE_ABORT, ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ) );
298 								}
299 							}
300 							else
301                                 // no interaction, error handling as usual
302 								aMedium.SetError( ERRCODE_IO_BROKENPACKAGE, ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ) );
303 
304 							if ( !bRepairAllowed )
305 							{
306 								aTypeName.Erase();
307 								aPreselectedFilterName.Erase();
308 							}
309 						}
310 					}
311 					catch( uno::RuntimeException& )
312 					{
313 						throw;
314 					}
315 					catch( uno::Exception& )
316 					{
317 						aTypeName.Erase();
318 						aPreselectedFilterName.Erase();
319 					}
320 				}
321 			}
322             else
323             {
324                 aMedium.GetInStream();
325                 if ( aMedium.GetErrorCode() == ERRCODE_NONE )
326                 {
327                     if ( aPreselectedFilterName.Len() )
328                         pFilter = SfxFilter::GetFilterByName( aPreselectedFilterName );
329                     else
330                         pFilter = SfxFilterMatcher().GetFilter4EA( aTypeName );
331 
332                     sal_Bool bTestWriter = !pFilter || pFilter->GetServiceName().EqualsAscii("com.sun.star.text.TextDocument") ||
333                         pFilter->GetServiceName().EqualsAscii("com.sun.star.text.WebDocument");
334                     sal_Bool bTestGlobal = !pFilter || pFilter->GetServiceName().EqualsAscii("com.sun.star.text.GlobalDocument");
335 
336                     const SfxFilter* pOrigFilter = NULL;
337                     if ( !bTestWriter && !bTestGlobal && pFilter )
338                     {
339                         // cross filter; now this should be a type detection only, not a filter detection
340                         // we can simulate it by preserving the preselected filter if the type matches
341                         // example: HTML filter for Calc
342                         pOrigFilter = pFilter;
343                         pFilter = SfxFilterMatcher().GetFilter4EA( pFilter->GetTypeName() );
344                         bTestWriter = sal_True;
345                     }
346 
347                     sal_uLong nErr = ERRCODE_NONE;
348                     if ( pFilter || bTestWriter )
349                         nErr = DetectFilter( aMedium, &pFilter );
350                     if ( nErr != ERRCODE_NONE )
351                         pFilter = NULL;
352                     else if ( pOrigFilter && pFilter && pFilter->GetTypeName() == pOrigFilter->GetTypeName() )
353                         // cross filter, see above
354                         pFilter = pOrigFilter;
355                 }
356 
357                 if ( pFilter )
358                     aTypeName = pFilter->GetTypeName();
359                 else
360                     aTypeName.Erase();
361             }
362 		}
363 	}
364 
365     if ( nIndexOfInputStream == -1 && xStream.is() )
366     {
367         // if input stream wasn't part of the descriptor, now it should be, otherwise the content would be opend twice
368         lDescriptor.realloc( nPropertyCount + 1 );
369         lDescriptor[nPropertyCount].Name = ::rtl::OUString::createFromAscii("InputStream");
370         lDescriptor[nPropertyCount].Value <<= xStream;
371         nPropertyCount++;
372     }
373 
374     if ( nIndexOfContent == -1 && xContent.is() )
375     {
376         // if input stream wasn't part of the descriptor, now it should be, otherwise the content would be opend twice
377         lDescriptor.realloc( nPropertyCount + 1 );
378         lDescriptor[nPropertyCount].Name = ::rtl::OUString::createFromAscii("UCBContent");
379         lDescriptor[nPropertyCount].Value <<= xContent;
380         nPropertyCount++;
381     }
382 
383     if ( bReadOnly != bWasReadOnly )
384     {
385         if ( nIndexOfReadOnlyFlag == -1 )
386         {
387             lDescriptor.realloc( nPropertyCount + 1 );
388             lDescriptor[nPropertyCount].Name = ::rtl::OUString::createFromAscii("ReadOnly");
389             lDescriptor[nPropertyCount].Value <<= bReadOnly;
390             nPropertyCount++;
391         }
392         else
393             lDescriptor[nIndexOfReadOnlyFlag].Value <<= bReadOnly;
394     }
395 
396 	if ( !bRepairPackage && bRepairAllowed )
397 	{
398         lDescriptor.realloc( nPropertyCount + 1 );
399         lDescriptor[nPropertyCount].Name = ::rtl::OUString::createFromAscii("RepairPackage");
400         lDescriptor[nPropertyCount].Value <<= bRepairAllowed;
401         nPropertyCount++;
402 		bOpenAsTemplate = sal_True;
403 		// TODO/LATER: set progress bar that should be used
404 	}
405 
406 	if ( bOpenAsTemplate )
407 	{
408 		if ( nIndexOfTemplateFlag == -1 )
409 		{
410         	lDescriptor.realloc( nPropertyCount + 1 );
411         	lDescriptor[nPropertyCount].Name = ::rtl::OUString::createFromAscii("AsTemplate");
412         	lDescriptor[nPropertyCount].Value <<= bOpenAsTemplate;
413         	nPropertyCount++;
414 		}
415 		else
416         	lDescriptor[nIndexOfTemplateFlag].Value <<= bOpenAsTemplate;
417 	}
418 
419 	if ( aDocumentTitle.getLength() )
420 	{
421 		// the title was set here
422 		if ( nIndexOfDocumentTitle == -1 )
423 		{
424         	lDescriptor.realloc( nPropertyCount + 1 );
425         	lDescriptor[nPropertyCount].Name = ::rtl::OUString::createFromAscii("DocumentTitle");
426         	lDescriptor[nPropertyCount].Value <<= aDocumentTitle;
427         	nPropertyCount++;
428 		}
429 		else
430         	lDescriptor[nIndexOfDocumentTitle].Value <<= aDocumentTitle;
431 	}
432 
433 
434     return aTypeName;
435 }
436 
437 SFX_IMPL_SINGLEFACTORY( SwFilterDetect )
438 
439 /* XServiceInfo */
440 UNOOUSTRING SAL_CALL SwFilterDetect::getImplementationName() throw( UNORUNTIMEEXCEPTION )
441 {
442     return impl_getStaticImplementationName();
443 }
444                                                                                                                                 \
445 /* XServiceInfo */
446 sal_Bool SAL_CALL SwFilterDetect::supportsService( const UNOOUSTRING& sServiceName ) throw( UNORUNTIMEEXCEPTION )
447 {
448     UNOSEQUENCE< UNOOUSTRING >  seqServiceNames =   getSupportedServiceNames();
449     const UNOOUSTRING*          pArray          =   seqServiceNames.getConstArray();
450     for ( sal_Int32 nCounter=0; nCounter<seqServiceNames.getLength(); nCounter++ )
451     {
452         if ( pArray[nCounter] == sServiceName )
453         {
454             return sal_True ;
455         }
456     }
457     return sal_False ;
458 }
459 
460 /* XServiceInfo */
461 UNOSEQUENCE< UNOOUSTRING > SAL_CALL SwFilterDetect::getSupportedServiceNames() throw( UNORUNTIMEEXCEPTION )
462 {
463     return impl_getStaticSupportedServiceNames();
464 }
465 
466 /* Helper for XServiceInfo */
467 UNOSEQUENCE< UNOOUSTRING > SwFilterDetect::impl_getStaticSupportedServiceNames()
468 {
469     UNOMUTEXGUARD aGuard( UNOMUTEX::getGlobalMutex() );
470     UNOSEQUENCE< UNOOUSTRING > seqServiceNames( 3 );
471     seqServiceNames.getArray() [0] = UNOOUSTRING::createFromAscii( "com.sun.star.frame.ExtendedTypeDetection"  );
472     seqServiceNames.getArray() [1] = UNOOUSTRING::createFromAscii( "com.sun.star.text.FormatDetector"  );
473     seqServiceNames.getArray() [2] = UNOOUSTRING::createFromAscii( "com.sun.star.text.W4WFormatDetector"  );
474     return seqServiceNames ;
475 }
476 
477 /* Helper for XServiceInfo */
478 UNOOUSTRING SwFilterDetect::impl_getStaticImplementationName()
479 {
480     return UNOOUSTRING::createFromAscii( "com.sun.star.comp.writer.FormatDetector" );
481 }
482 
483 /* Helper for registry */
484 UNOREFERENCE< UNOXINTERFACE > SAL_CALL SwFilterDetect::impl_createInstance( const UNOREFERENCE< UNOXMULTISERVICEFACTORY >& xServiceManager ) throw( UNOEXCEPTION )
485 {
486     return UNOREFERENCE< UNOXINTERFACE >( *new SwFilterDetect( xServiceManager ) );
487 }
488 
489