xref: /AOO41X/main/package/source/zippackage/zipfileaccess.cxx (revision a38728232e8c39f9058a1a2aa8ee4e6db7b8ca34)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_package.hxx"
26 #include <com/sun/star/lang/DisposedException.hpp>
27 #ifndef _COM_SUN_STAR_LANG_INVALIDARGUMENTEXCEPTION_HPP_
28 #include <com/sun/star/lang/IllegalArgumentException.hpp>
29 #endif
30 #include <com/sun/star/ucb/XCommandEnvironment.hpp>
31 #include <com/sun/star/io/XActiveDataSink.hpp>
32 #include <com/sun/star/io/XStream.hpp>
33 #include <com/sun/star/io/XSeekable.hpp>
34 
35 #include <zipfileaccess.hxx>
36 #include <ZipEnumeration.hxx>
37 #include <ZipPackageSink.hxx>
38 #include <EncryptionData.hxx>
39 
40 #include <ucbhelper/content.hxx>
41 #include <rtl/ref.hxx>
42 
43 #include <memory>
44 
45 
46 using namespace ::com::sun::star;
47 
48 // ----------------------------------------------------------------
OZipFileAccess(const uno::Reference<lang::XMultiServiceFactory> & xFactory)49 OZipFileAccess::OZipFileAccess( const uno::Reference< lang::XMultiServiceFactory >& xFactory )
50 : m_aMutexHolder( new SotMutexHolder )
51 , m_xFactory( xFactory )
52 , m_pZipFile( NULL )
53 , m_pListenersContainer( NULL )
54 , m_bDisposed( sal_False )
55 {
56     if ( !xFactory.is() )
57         throw uno::RuntimeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
58 }
59 
60 // ----------------------------------------------------------------
~OZipFileAccess()61 OZipFileAccess::~OZipFileAccess()
62 {
63     {
64         ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
65         if ( !m_bDisposed )
66         {
67             try {
68                 m_refCount++; // dispose will use refcounting so the further distruction must be avoided
69                 dispose();
70             } catch( uno::Exception& )
71             {}
72         }
73     }
74 }
75 
76 // ----------------------------------------------------------------
GetPatternsFromString_Impl(const::rtl::OUString & aString)77 uno::Sequence< ::rtl::OUString > OZipFileAccess::GetPatternsFromString_Impl( const ::rtl::OUString& aString )
78 {
79     if ( !aString.getLength() )
80         return uno::Sequence< ::rtl::OUString >();
81 
82     uno::Sequence< ::rtl::OUString > aPattern( 1 );
83     sal_Int32 nInd = 0;
84 
85     const sal_Unicode* pString = aString.getStr();
86     while( *pString )
87     {
88         if ( *pString == (sal_Unicode)'\\' )
89         {
90             pString++;
91 
92             if ( *pString == (sal_Unicode)'\\' )
93             {
94                 aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' );
95                 pString++;
96             }
97             else if ( *pString == (sal_Unicode)'*' )
98             {
99                 aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'*' );
100                 pString++;
101             }
102             else
103             {
104                 OSL_ENSURE( sal_False, "The backslash is not guarded!\n" );
105                 aPattern[nInd] += ::rtl::OUString::valueOf( (sal_Unicode)'\\' );
106             }
107         }
108         else if ( *pString == (sal_Unicode)'*' )
109         {
110             aPattern.realloc( ( ++nInd ) + 1 );
111             pString++;
112         }
113         else
114         {
115             aPattern[nInd] += ::rtl::OUString::valueOf( *pString );
116             pString++;
117         }
118     }
119 
120     return aPattern;
121 }
122 
123 // ----------------------------------------------------------------
StringGoodForPattern_Impl(const::rtl::OUString & aString,const uno::Sequence<::rtl::OUString> & aPattern)124 sal_Bool OZipFileAccess::StringGoodForPattern_Impl( const ::rtl::OUString& aString,
125                                                     const uno::Sequence< ::rtl::OUString >& aPattern )
126 {
127     sal_Int32 nInd = aPattern.getLength() - 1;
128     if ( nInd < 0 )
129         return sal_False;
130 
131     if ( nInd == 0 )
132     {
133         if ( !aPattern[0].getLength() )
134             return sal_True;
135 
136         return aString.equals( aPattern[0] );
137     }
138 
139     sal_Int32 nBeginInd = aPattern[0].getLength();
140     sal_Int32 nEndInd = aString.getLength() - aPattern[nInd].getLength();
141     if ( nEndInd >= nBeginInd
142       && ( nEndInd == aString.getLength() || aString.copy( nEndInd ).equals( aPattern[nInd] ) )
143       && ( nBeginInd == 0 || aString.copy( 0, nBeginInd ).equals( aPattern[0] ) ) )
144     {
145         for ( sal_Int32 nCurInd = aPattern.getLength() - 2; nCurInd > 0; nCurInd-- )
146         {
147             if ( !aPattern[nCurInd].getLength() )
148                 continue;
149 
150             if ( nEndInd == nBeginInd )
151                 return sal_False;
152 
153             // check that search does not use nEndInd position
154             sal_Int32 nLastInd = aString.lastIndexOf( aPattern[nCurInd], nEndInd - 1 );
155 
156             if ( nLastInd == -1 )
157                 return sal_False;
158 
159             if ( nLastInd < nBeginInd )
160                 return sal_False;
161 
162             nEndInd = nLastInd;
163         }
164 
165         return sal_True;
166     }
167 
168     return sal_False;
169 }
170 
171 // XInitialization
172 // ----------------------------------------------------------------
initialize(const uno::Sequence<uno::Any> & aArguments)173 void SAL_CALL OZipFileAccess::initialize( const uno::Sequence< uno::Any >& aArguments )
174     throw ( uno::Exception,
175             uno::RuntimeException )
176 {
177     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
178 
179     if ( m_bDisposed )
180         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
181 
182     if ( m_pZipFile )
183         throw uno::Exception( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() ); // initialization is allowed only one time
184 
185     if ( !aArguments.getLength() )
186         throw lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >(), 1 );
187 
188     OSL_ENSURE( aArguments.getLength() == 1, "Too meny arguments are provided, only the first one will be used!\n" );
189 
190     ::rtl::OUString aParamURL;
191     uno::Reference< io::XStream > xStream;
192     uno::Reference< io::XSeekable > xSeekable;
193 
194     if ( ( aArguments[0] >>= aParamURL ) )
195     {
196         ::ucbhelper::Content aContent ( aParamURL, uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >() );
197         uno::Reference < io::XActiveDataSink > xSink = new ZipPackageSink;
198         if ( aContent.openStream ( xSink ) )
199         {
200             m_xContentStream = xSink->getInputStream();
201             xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY );
202         }
203     }
204     else if ( (aArguments[0] >>= xStream ) )
205     {
206         // a writable stream can implement both XStream & XInputStream
207         m_xContentStream = xStream->getInputStream();
208         xSeekable = uno::Reference< io::XSeekable >( xStream, uno::UNO_QUERY );
209     }
210     else if ( !( aArguments[0] >>= m_xContentStream ) )
211     {
212         xSeekable = uno::Reference< io::XSeekable >( m_xContentStream, uno::UNO_QUERY );
213     }
214     else
215         throw lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >(), 1 );
216 
217     if ( !m_xContentStream.is() )
218         throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
219 
220     if ( !xSeekable.is() )
221     {
222         // TODO: after fwkbugfix02 is integrated a helper class can be used to make the stream seekable
223         throw io::IOException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
224     }
225 
226     // TODO: in case xSeekable is implemented on separated XStream implementation a wrapper is required
227     m_pZipFile = new ZipFile(
228                 m_xContentStream,
229                 m_xFactory,
230                 sal_True );
231 }
232 
233 // XNameAccess
234 // ----------------------------------------------------------------
getByName(const::rtl::OUString & aName)235 uno::Any SAL_CALL OZipFileAccess::getByName( const ::rtl::OUString& aName )
236     throw ( container::NoSuchElementException,
237             lang::WrappedTargetException,
238             uno::RuntimeException )
239 {
240     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
241 
242     if ( m_bDisposed )
243         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
244 
245     if ( !m_pZipFile )
246         throw io::NotConnectedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
247 
248     EntryHash::iterator aIter = m_pZipFile->GetEntryHash().find( aName );
249     if ( aIter == m_pZipFile->GetEntryHash().end() )
250         throw container::NoSuchElementException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
251 
252     uno::Reference< io::XInputStream > xEntryStream( m_pZipFile->getDataStream( (*aIter).second,
253                                                                                 ::rtl::Reference< EncryptionData >(),
254                                                                                 sal_False,
255                                                                                 m_aMutexHolder ) );
256 
257     if ( !xEntryStream.is() )
258         throw uno::RuntimeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
259 
260     return uno::makeAny ( xEntryStream );
261 }
262 
263 // ----------------------------------------------------------------
getElementNames()264 uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getElementNames()
265     throw ( uno::RuntimeException )
266 {
267     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
268 
269     if ( m_bDisposed )
270         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
271 
272     if ( !m_pZipFile )
273         throw io::NotConnectedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
274 
275     uno::Sequence< ::rtl::OUString > aNames( m_pZipFile->GetEntryHash().size() );
276     sal_Int32 nLen = 0;
277 
278     for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); aIter++ )
279     {
280         if ( aNames.getLength() < ++nLen )
281         {
282             OSL_ENSURE( sal_False, "The size must be the same!\n" );
283             aNames.realloc( nLen );
284         }
285 
286         aNames[nLen-1] = (*aIter).second.sPath;
287     }
288 
289     if ( aNames.getLength() != nLen )
290     {
291         OSL_ENSURE( sal_False, "The size must be the same!\n" );
292         aNames.realloc( nLen );
293     }
294 
295     return aNames;
296 }
297 
298 // ----------------------------------------------------------------
hasByName(const::rtl::OUString & aName)299 sal_Bool SAL_CALL OZipFileAccess::hasByName( const ::rtl::OUString& aName )
300     throw (uno::RuntimeException)
301 {
302     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
303 
304     if ( m_bDisposed )
305         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
306 
307     if ( !m_pZipFile )
308         throw io::NotConnectedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
309 
310     EntryHash::iterator aIter = m_pZipFile->GetEntryHash().find( aName );
311 
312     return ( aIter != m_pZipFile->GetEntryHash().end() );
313 }
314 
315 // ----------------------------------------------------------------
getElementType()316 uno::Type SAL_CALL OZipFileAccess::getElementType()
317     throw ( uno::RuntimeException )
318 {
319     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
320 
321     if ( m_bDisposed )
322         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
323 
324     if ( !m_pZipFile )
325         throw io::NotConnectedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
326 
327     return getCppuType( ( const uno::Reference< io::XInputStream >* )NULL );
328 }
329 
330 // ----------------------------------------------------------------
hasElements()331 sal_Bool SAL_CALL OZipFileAccess::hasElements()
332     throw ( uno::RuntimeException )
333 {
334     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
335 
336     if ( m_bDisposed )
337         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
338 
339     if ( !m_pZipFile )
340         throw io::NotConnectedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
341 
342     return ( m_pZipFile->GetEntryHash().size() != 0 );
343 }
344 
345 // XZipFileAccess
346 // ----------------------------------------------------------------
getStreamByPattern(const::rtl::OUString & aPatternString)347 uno::Reference< io::XInputStream > SAL_CALL OZipFileAccess::getStreamByPattern( const ::rtl::OUString& aPatternString )
348     throw ( container::NoSuchElementException,
349             io::IOException,
350             uno::RuntimeException )
351 {
352     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
353 
354     if ( m_bDisposed )
355         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
356 
357     if ( !m_pZipFile )
358         throw io::NotConnectedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
359 
360     // Code to compare strings by patterns
361     uno::Sequence< ::rtl::OUString > aPattern = GetPatternsFromString_Impl( aPatternString );
362 
363     for ( EntryHash::iterator aIter = m_pZipFile->GetEntryHash().begin(); aIter != m_pZipFile->GetEntryHash().end(); aIter++ )
364     {
365         if ( StringGoodForPattern_Impl( (*aIter).second.sPath, aPattern ) )
366         {
367             uno::Reference< io::XInputStream > xEntryStream( m_pZipFile->getDataStream( (*aIter).second,
368                                                                                         ::rtl::Reference< EncryptionData >(),
369                                                                                         sal_False,
370                                                                                         m_aMutexHolder ) );
371 
372             if ( !xEntryStream.is() )
373                 throw uno::RuntimeException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
374             return xEntryStream;
375         }
376     }
377 
378     throw container::NoSuchElementException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
379 }
380 
381 // XComponent
382 // ----------------------------------------------------------------
dispose()383 void SAL_CALL OZipFileAccess::dispose()
384     throw ( uno::RuntimeException )
385 {
386     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
387 
388     if ( m_bDisposed )
389         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
390 
391     if ( m_pListenersContainer )
392     {
393         lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >(this) );
394         m_pListenersContainer->disposeAndClear( aSource );
395         delete m_pListenersContainer;
396         m_pListenersContainer = NULL;
397     }
398 
399     if ( m_pZipFile )
400     {
401         delete m_pZipFile;
402         m_pZipFile = NULL;
403     }
404 
405     if ( m_xContentStream.is() )
406         try {
407             m_xContentStream->closeInput();
408         } catch( uno::Exception& )
409         {}
410 
411     m_bDisposed = sal_True;
412 }
413 
414 // ----------------------------------------------------------------
addEventListener(const uno::Reference<lang::XEventListener> & xListener)415 void SAL_CALL OZipFileAccess::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
416     throw ( uno::RuntimeException )
417 {
418     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
419 
420     if ( m_bDisposed )
421         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
422 
423     if ( !m_pListenersContainer )
424         m_pListenersContainer = new ::cppu::OInterfaceContainerHelper( m_aMutexHolder->GetMutex() );
425     m_pListenersContainer->addInterface( xListener );
426 }
427 
428 // ----------------------------------------------------------------
removeEventListener(const uno::Reference<lang::XEventListener> & xListener)429 void SAL_CALL OZipFileAccess::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
430     throw ( uno::RuntimeException )
431 {
432     ::osl::MutexGuard aGuard( m_aMutexHolder->GetMutex() );
433 
434     if ( m_bDisposed )
435         throw lang::DisposedException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), uno::Reference< uno::XInterface >() );
436 
437     if ( m_pListenersContainer )
438         m_pListenersContainer->removeInterface( xListener );
439 }
440 
441 //-------------------------------------------------------------------------
impl_staticGetSupportedServiceNames()442 uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::impl_staticGetSupportedServiceNames()
443 {
444     uno::Sequence< ::rtl::OUString > aRet(2);
445     aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.packages.zip.ZipFileAccess");
446     aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.packages.zip.ZipFileAccess");
447     return aRet;
448 }
449 
450 //-------------------------------------------------------------------------
impl_staticGetImplementationName()451 ::rtl::OUString SAL_CALL OZipFileAccess::impl_staticGetImplementationName()
452 {
453     return ::rtl::OUString::createFromAscii("com.sun.star.comp.package.zip.ZipFileAccess");
454 }
455 
456 //-------------------------------------------------------------------------
impl_staticCreateSelfInstance(const uno::Reference<lang::XMultiServiceFactory> & xServiceManager)457 uno::Reference< uno::XInterface > SAL_CALL OZipFileAccess::impl_staticCreateSelfInstance(
458             const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
459 {
460     return uno::Reference< uno::XInterface >( *new OZipFileAccess( xServiceManager ) );
461 }
462 
463 //-------------------------------------------------------------------------
getImplementationName()464 ::rtl::OUString SAL_CALL OZipFileAccess::getImplementationName()
465     throw ( uno::RuntimeException )
466 {
467     return impl_staticGetImplementationName();
468 }
469 
470 //-------------------------------------------------------------------------
supportsService(const::rtl::OUString & ServiceName)471 sal_Bool SAL_CALL OZipFileAccess::supportsService( const ::rtl::OUString& ServiceName )
472     throw ( uno::RuntimeException )
473 {
474     uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();
475 
476     for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
477         if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
478             return sal_True;
479 
480     return sal_False;
481 }
482 
483 //-------------------------------------------------------------------------
getSupportedServiceNames()484 uno::Sequence< ::rtl::OUString > SAL_CALL OZipFileAccess::getSupportedServiceNames()
485     throw ( uno::RuntimeException )
486 {
487     return impl_staticGetSupportedServiceNames();
488 }
489 
490