xref: /trunk/main/cppuhelper/source/servicefactory.cxx (revision 9d37da743abb7db0a497688391f6e55a19f27c44) 
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_cppuhelper.hxx"
26 
27 #include <vector>
28 
29 #include "rtl/string.hxx"
30 #include "rtl/bootstrap.hxx"
31 #include "osl/diagnose.h"
32 #include "osl/file.h"
33 #include "osl/module.h"
34 #include "osl/process.h"
35 #include "cppuhelper/shlib.hxx"
36 #include "cppuhelper/factory.hxx"
37 #include "cppuhelper/component_context.hxx"
38 #include "cppuhelper/servicefactory.hxx"
39 #include "cppuhelper/bootstrap.hxx"
40 
41 #include "com/sun/star/uno/DeploymentException.hpp"
42 #include "com/sun/star/uno/XComponentContext.hpp"
43 #include "com/sun/star/lang/XInitialization.hpp"
44 #include "com/sun/star/lang/XSingleServiceFactory.hpp"
45 #include "com/sun/star/lang/XSingleComponentFactory.hpp"
46 #include "com/sun/star/beans/XPropertySet.hpp"
47 #include "com/sun/star/container/XSet.hpp"
48 #include "com/sun/star/container/XHierarchicalNameAccess.hpp"
49 #include "com/sun/star/registry/XSimpleRegistry.hpp"
50 #include "com/sun/star/registry/XImplementationRegistration.hpp"
51 #include "com/sun/star/security/XAccessController.hpp"
52 
53 #define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
54 
55 
56 using namespace ::rtl;
57 using namespace ::osl;
58 using namespace ::com::sun::star;
59 using namespace ::com::sun::star::uno;
60 namespace css = com::sun::star;
61 
62 namespace cppu
63 {
64 
65 // private forward decl
66 void addFactories(
67     char const * const * ppNames /* lib, implname, ..., 0 */,
68     OUString const & bootstrapPath,
69     Reference< lang::XMultiComponentFactory > const & xMgr,
70     Reference< registry::XRegistryKey > const & xKey );
71 
72 Reference< security::XAccessController >
73 createDefaultAccessController() SAL_THROW( () );
74 
75 Reference< lang::XSingleComponentFactory >
76 create_boostrap_macro_expander_factory() SAL_THROW( () );
77 
78 OUString const & get_this_libpath();
79 
80 
81 static Reference< XInterface > SAL_CALL createInstance(
82     Reference< XInterface > const & xFactory,
83     Reference< XComponentContext > const & xContext =
84     Reference< XComponentContext >() )
85 {
86     Reference< lang::XSingleComponentFactory > xFac( xFactory, UNO_QUERY );
87     if (xFac.is())
88     {
89         return xFac->createInstanceWithContext( xContext );
90     }
91     else
92     {
93         Reference< lang::XSingleServiceFactory > xFac2( xFactory, UNO_QUERY );
94         if (xFac2.is())
95         {
96             OSL_ENSURE( !xContext.is(), "### ignoring context!" );
97             return xFac2->createInstance();
98         }
99     }
100     throw RuntimeException(
101         OUSTR("no factory object given!"),
102         Reference< XInterface >() );
103 }
104 
105 Reference< registry::XSimpleRegistry > SAL_CALL createSimpleRegistry(
106     OUString const & rBootstrapPath )
107     SAL_THROW( () )
108 {
109     try
110     {
111         return Reference< registry::XSimpleRegistry >(
112             createInstance(
113                 loadSharedLibComponentFactory(
114                     OUSTR("bootstrap.uno" SAL_DLLEXTENSION),
115                     0 == rBootstrapPath.getLength()
116                     ? get_this_libpath() : rBootstrapPath,
117                     OUSTR("com.sun.star.comp.stoc.SimpleRegistry"),
118                     Reference< lang::XMultiServiceFactory >(),
119                     Reference< registry::XRegistryKey >() ) ),
120             UNO_QUERY );
121     }
122     catch (Exception & exc)
123     {
124 #if OSL_DEBUG_LEVEL > 0
125         OString cstr_msg(
126             OUStringToOString( exc.Message, RTL_TEXTENCODING_ASCII_US ) );
127         OSL_ENSURE( !"### exception occurred:", cstr_msg.getStr() );
128 #else
129         (void) exc; // avoid warning about unused variable
130 #endif
131     }
132 
133     return Reference< registry::XSimpleRegistry >();
134 }
135 
136 Reference< registry::XSimpleRegistry > SAL_CALL createNestedRegistry(
137     OUString const & rBootstrapPath )
138     SAL_THROW( () )
139 {
140     try
141     {
142         return Reference< registry::XSimpleRegistry >(
143             createInstance(
144                 loadSharedLibComponentFactory(
145                     OUSTR("bootstrap.uno" SAL_DLLEXTENSION),
146                     0 == rBootstrapPath.getLength()
147                     ? get_this_libpath() : rBootstrapPath,
148                     OUSTR("com.sun.star.comp.stoc.NestedRegistry"),
149                     Reference< lang::XMultiServiceFactory >(),
150                     Reference< registry::XRegistryKey >() ) ),
151             UNO_QUERY );
152     }
153     catch (Exception & exc)
154     {
155 #if OSL_DEBUG_LEVEL > 0
156         OString cstr_msg(
157             OUStringToOString( exc.Message, RTL_TEXTENCODING_ASCII_US ) );
158         OSL_ENSURE( !"### exception occurred:", cstr_msg.getStr() );
159 #else
160         (void) exc; // avoid warning about unused variable
161 #endif
162     }
163 
164     return Reference< registry::XSimpleRegistry >();
165 }
166 
167 
168 /** bootstrap variables:
169 
170     UNO_AC=<mode> [mandatory]
171       -- mode := { on, off, dynamic-only, single-user, single-default-user }
172     UNO_AC_SERVICE=<service_name> [optional]
173       -- override ac singleton service name
174     UNO_AC_SINGLEUSER=<user-id|nothing> [optional]
175       -- run with this user id or with default user policy (<nothing>)
176          set UNO_AC=single-[default-]user
177     UNO_AC_USERCACHE_SIZE=<cache_size>
178       -- number of user permission sets to be cached
179 
180     UNO_AC_POLICYSERVICE=<service_name> [optional]
181       -- override policy singleton service name
182     UNO_AC_POLICYFILE=<file_url> [optional]
183       -- read policy out of simple text file
184 */
185 static void add_access_control_entries(
186     ::std::vector< ContextEntry_Init > * values,
187     Bootstrap const & bootstrap )
188 {
189     ContextEntry_Init entry;
190     ::std::vector< ContextEntry_Init > & context_values = *values;
191 
192     OUString ac_policy;
193     if (bootstrap.getFrom( OUSTR("UNO_AC_POLICYSERVICE"), ac_policy ))
194     {
195         // overridden service name
196         // - policy singleton
197         entry.bLateInitService = true;
198         entry.name = OUSTR("/singletons/com.sun.star.security.thePolicy");
199         entry.value <<= ac_policy;
200         context_values.push_back( entry );
201     }
202     else if (bootstrap.getFrom( OUSTR("UNO_AC_POLICYFILE"), ac_policy ))
203     {
204         // check for file policy
205         // - file policy prop: file-name
206         if (0 != ac_policy.compareToAscii(
207                 RTL_CONSTASCII_STRINGPARAM("file:///") ))
208         {
209             // no file url
210             OUString baseDir;
211             if ( ::osl_getProcessWorkingDir( &baseDir.pData )
212                  != osl_Process_E_None )
213             {
214                 OSL_ASSERT( false );
215             }
216             OUString fileURL;
217             if ( ::osl_getAbsoluteFileURL(
218                      baseDir.pData, ac_policy.pData, &fileURL.pData )
219                  != osl_File_E_None )
220             {
221                 OSL_ASSERT( false );
222             }
223             ac_policy = fileURL;
224         }
225 
226         entry.bLateInitService = false;
227         entry.name =
228             OUSTR("/implementations/com.sun.star.security.comp.stoc.FilePolicy/"
229                   "file-name");
230         entry.value <<= ac_policy;
231         context_values.push_back( entry );
232         // - policy singleton
233         entry.bLateInitService = true;
234         entry.name = OUSTR("/singletons/com.sun.star.security.thePolicy");
235         entry.value <<= OUSTR("com.sun.star.security.comp.stoc.FilePolicy");
236         context_values.push_back( entry );
237     } // else policy singleton comes from storage
238 
239     OUString ac_mode;
240     if (! bootstrap.getFrom( OUSTR("UNO_AC"), ac_mode ))
241     {
242         ac_mode = OUSTR("off"); // default
243     }
244     OUString ac_user;
245     if (bootstrap.getFrom( OUSTR("UNO_AC_SINGLEUSER"), ac_user ))
246     {
247         // ac in single-user mode
248         if (ac_user.getLength())
249         {
250             // - ac prop: single-user-id
251             entry.bLateInitService = false;
252             entry.name =
253                 OUSTR("/services/com.sun.star.security.AccessController/"
254                       "single-user-id");
255             entry.value <<= ac_user;
256             context_values.push_back( entry );
257             if (! ac_mode.equalsAsciiL(
258                     RTL_CONSTASCII_STRINGPARAM("single-user") ))
259             {
260                 throw SecurityException(
261                     OUSTR("set UNO_AC=single-user "
262                           "if you set UNO_AC_SINGLEUSER=<user-id>!"),
263                     Reference< XInterface >() );
264             }
265         }
266         else
267         {
268             if (! ac_mode.equalsAsciiL(
269                     RTL_CONSTASCII_STRINGPARAM("single-default-user") ))
270             {
271                 throw SecurityException(
272                     OUSTR("set UNO_AC=single-default-user "
273                           "if you set UNO_AC_SINGLEUSER=<nothing>!"),
274                     Reference< XInterface >() );
275             }
276         }
277     }
278 
279     OUString ac_service;
280     if (! bootstrap.getFrom( OUSTR("UNO_AC_SERVICE"), ac_service ))
281     {
282         // override service name
283         ac_service = OUSTR("com.sun.star.security.AccessController"); // default
284 //          ac = OUSTR("com.sun.star.security.comp.stoc.AccessController");
285     }
286 
287     // - ac prop: user-cache-size
288     OUString ac_cache;
289     if (bootstrap.getFrom( OUSTR("UNO_AC_USERCACHE_SIZE"), ac_cache ))
290     {
291         // ac cache size
292         sal_Int32 n = ac_cache.toInt32();
293         if (0 < n)
294         {
295             entry.bLateInitService = false;
296             entry.name =
297                 OUSTR("/services/com.sun.star.security.AccessController/"
298                       "user-cache-size");
299             entry.value <<= n;
300             context_values.push_back( entry );
301         }
302     }
303 
304     // - ac prop: mode
305     // { "off", "on", "dynamic-only", "single-user", "single-default-user" }
306     entry.bLateInitService = false;
307     entry.name = OUSTR("/services/com.sun.star.security.AccessController/mode");
308     entry.value <<= ac_mode;
309     context_values.push_back( entry );
310     // - ac singleton
311     entry.bLateInitService = true;
312     entry.name = OUSTR("/singletons/com.sun.star.security.theAccessController");
313     entry.value <<= ac_service;
314     context_values.push_back( entry );
315 }
316 
317 SAL_DLLPUBLIC_EXPORT
318 Reference< lang::XMultiComponentFactory > bootstrapInitialSF(
319     OUString const & rBootstrapPath )
320 {
321     OUString const & bootstrap_path =
322         0 == rBootstrapPath.getLength() ? get_this_libpath() : rBootstrapPath;
323 
324     Reference< lang::XMultiComponentFactory > xMgr(
325         createInstance(
326             loadSharedLibComponentFactory(
327                 OUSTR("bootstrap.uno" SAL_DLLEXTENSION), bootstrap_path,
328                 OUSTR("com.sun.star.comp.stoc.ORegistryServiceManager"),
329                 Reference< lang::XMultiServiceFactory >(),
330                 Reference< registry::XRegistryKey >() ) ),
331         UNO_QUERY );
332 
333     // add initial bootstrap services
334     static char const * ar[] = {
335         "bootstrap.uno" SAL_DLLEXTENSION,
336         "com.sun.star.comp.stoc.OServiceManagerWrapper",
337         "bootstrap.uno" SAL_DLLEXTENSION,
338         "com.sun.star.comp.stoc.DLLComponentLoader",
339         "bootstrap.uno" SAL_DLLEXTENSION,
340         "com.sun.star.comp.stoc.SimpleRegistry",
341         "bootstrap.uno" SAL_DLLEXTENSION,
342         "com.sun.star.comp.stoc.NestedRegistry",
343         "bootstrap.uno" SAL_DLLEXTENSION,
344         "com.sun.star.comp.stoc.TypeDescriptionManager",
345         "bootstrap.uno" SAL_DLLEXTENSION,
346         "com.sun.star.comp.stoc.ImplementationRegistration",
347         "bootstrap.uno" SAL_DLLEXTENSION,
348         "com.sun.star.security.comp.stoc.AccessController",
349         "bootstrap.uno" SAL_DLLEXTENSION,
350         "com.sun.star.security.comp.stoc.FilePolicy",
351         0
352     };
353     addFactories(
354         ar, bootstrap_path,
355         xMgr, Reference< registry::XRegistryKey >() );
356 
357     return xMgr;
358 }
359 
360 // returns context with UNinitialized smgr
361 Reference< XComponentContext > bootstrapInitialContext(
362     Reference< lang::XMultiComponentFactory > const & xSF,
363     Reference< registry::XSimpleRegistry > const & types_xRegistry,
364     Reference< registry::XSimpleRegistry > const & services_xRegistry,
365     OUString const & rBootstrapPath, Bootstrap const & bootstrap )
366 {
367     Reference< lang::XInitialization > xSFInit( xSF, UNO_QUERY );
368     if (! xSFInit.is())
369     {
370         throw RuntimeException(
371             OUSTR("servicemanager does not support XInitialization!"),
372             Reference< XInterface >() );
373     }
374 
375     // basic context values
376     ContextEntry_Init entry;
377     ::std::vector< ContextEntry_Init > context_values;
378     context_values.reserve( 14 );
379 
380     // macro expander singleton for loader
381     entry.bLateInitService = true;
382     entry.name = OUSTR("/singletons/com.sun.star.util.theMacroExpander");
383     entry.value <<= create_boostrap_macro_expander_factory();
384     context_values.push_back( entry );
385 
386     // tdmgr singleton
387     entry.bLateInitService = true;
388     entry.name =
389         OUSTR("/singletons/com.sun.star.reflection.theTypeDescriptionManager");
390     entry.value <<= OUSTR("com.sun.star.comp.stoc.TypeDescriptionManager");
391     context_values.push_back( entry );
392 
393     // read out singleton infos from registry
394     if (services_xRegistry.is())
395     {
396         Reference< registry::XRegistryKey > xKey(
397             services_xRegistry->getRootKey() );
398         if (xKey.is())
399         {
400             xKey = xKey->openKey( OUSTR("/SINGLETONS") );
401             if (xKey.is())
402             {
403                 entry.bLateInitService = true;
404 
405                 Sequence< Reference< registry::XRegistryKey > > keys(
406                     xKey->openKeys() );
407                 Reference< registry::XRegistryKey > const * pKeys =
408                     keys.getConstArray();
409                 for ( sal_Int32 nPos = keys.getLength(); nPos--; )
410                 {
411                     css::uno::Sequence< rtl::OUString > impls(
412                         css::uno::Reference< css::registry::XRegistryKey >(
413                             pKeys[nPos]->openKey(
414                                 rtl::OUString(
415                                     RTL_CONSTASCII_USTRINGPARAM(
416                                         "REGISTERED_BY"))),
417                             css::uno::UNO_SET_THROW)->getAsciiListValue());
418                     switch (impls.getLength()) {
419                     case 0:
420                         throw css::uno::DeploymentException(
421                             (pKeys[nPos]->getKeyName() +
422                              rtl::OUString(
423                                  RTL_CONSTASCII_USTRINGPARAM(
424                                      "/REGISTERED_BY is empty"))),
425                             css::uno::Reference< css::uno::XInterface >());
426                     case 1:
427                         break;
428                     default:
429                         OSL_TRACE(
430                             ("arbitrarily chosing \"%s\" among multiple"
431                              " implementations for \"%s\""),
432                             rtl::OUStringToOString(
433                                 impls[0], RTL_TEXTENCODING_UTF8).getStr(),
434                             rtl::OUStringToOString(
435                                 pKeys[nPos]->getKeyName(),
436                                 RTL_TEXTENCODING_UTF8).getStr());
437                         break;
438                     }
439                     context_values.push_back(
440                         ContextEntry_Init(
441                             (rtl::OUString(
442                                 RTL_CONSTASCII_USTRINGPARAM("/singletons/")) +
443                              pKeys[nPos]->getKeyName().copy(
444                                  RTL_CONSTASCII_LENGTH("/SINGLETONS/"))),
445                             css::uno::makeAny(impls[0]),
446                             true));
447                 }
448             }
449         }
450     }
451 
452     // ac, policy:
453     add_access_control_entries( &context_values, bootstrap );
454 
455     // smgr singleton
456     entry.bLateInitService = false;
457     entry.name = OUSTR("/singletons/com.sun.star.lang.theServiceManager");
458     entry.value <<= xSF;
459     context_values.push_back( entry );
460 
461     Reference< XComponentContext > xContext(
462         createComponentContext(
463             &context_values[ 0 ], context_values.size(),
464             Reference< XComponentContext >() ) );
465     // set default context
466     Reference< beans::XPropertySet > xProps( xSF, UNO_QUERY );
467     OSL_ASSERT( xProps.is() );
468     if (xProps.is())
469     {
470         xProps->setPropertyValue(
471             OUSTR("DefaultContext"), makeAny( xContext ) );
472     }
473 
474     Reference< container::XHierarchicalNameAccess > xTDMgr;
475 
476     // get tdmgr singleton
477     if (xContext->getValueByName(
478             OUSTR("/singletons/"
479                   "com.sun.star.reflection.theTypeDescriptionManager") )
480         >>= xTDMgr)
481     {
482         if (types_xRegistry.is()) // insert rdb provider?
483         {
484             // add registry td provider factory to smgr and instance to tdmgr
485             Reference< lang::XSingleComponentFactory > xFac(
486                 loadSharedLibComponentFactory(
487                     OUSTR("bootstrap.uno" SAL_DLLEXTENSION),
488                     0 == rBootstrapPath.getLength()
489                     ? get_this_libpath() : rBootstrapPath,
490                 OUSTR("com.sun.star.comp.stoc.RegistryTypeDescriptionProvider"),
491                 Reference< lang::XMultiServiceFactory >( xSF, UNO_QUERY ),
492                 Reference< registry::XRegistryKey >() ), UNO_QUERY );
493             OSL_ASSERT( xFac.is() );
494 
495             // smgr
496             Reference< container::XSet > xSet( xSF, UNO_QUERY );
497             xSet->insert( makeAny( xFac ) );
498             OSL_ENSURE(
499                 xSet->has( makeAny( xFac ) ),
500                 "### failed registering registry td provider at smgr!" );
501             // tdmgr
502             xSet.set( xTDMgr, UNO_QUERY );
503             OSL_ASSERT( xSet.is() );
504             Any types_RDB( makeAny( types_xRegistry ) );
505             Any rdbtdp( makeAny( xFac->createInstanceWithArgumentsAndContext(
506                 Sequence< Any >( &types_RDB, 1 ), xContext ) ) );
507             xSet->insert( rdbtdp );
508             OSL_ENSURE(
509                 xSet->has( rdbtdp ),
510                 "### failed inserting registry td provider to tdmgr!" );
511         }
512         // install callback
513         installTypeDescriptionManager( xTDMgr );
514     }
515 
516     return xContext;
517 }
518 
519 static Reference< lang::XMultiComponentFactory > createImplServiceFactory(
520     const OUString & rWriteRegistry,
521     const OUString & rReadRegistry,
522     sal_Bool bReadOnly,
523     const OUString & rBootstrapPath )
524 {
525     Reference< lang::XMultiComponentFactory > xSF(
526         bootstrapInitialSF( rBootstrapPath ) );
527 
528     Reference< registry::XSimpleRegistry > xRegistry;
529 
530     // open a registry
531     sal_Bool bRegistryShouldBeValid = sal_False;
532     if (rWriteRegistry.getLength() && !rReadRegistry.getLength())
533     {
534         bRegistryShouldBeValid = sal_True;
535         xRegistry.set( createSimpleRegistry( rBootstrapPath ) );
536         if (xRegistry.is())
537         {
538             if (bReadOnly)
539             {
540                 xRegistry->open( rWriteRegistry, sal_True, sal_False );
541             }
542             else
543             {
544                 xRegistry->open( rWriteRegistry, sal_False, sal_True );
545             }
546         }
547     }
548     else if (rWriteRegistry.getLength() && rReadRegistry.getLength())
549     {
550         // default registry
551         bRegistryShouldBeValid = sal_True;
552         xRegistry.set( createNestedRegistry( rBootstrapPath ) );
553 
554         Reference< registry::XSimpleRegistry > xWriteReg(
555             createSimpleRegistry( rBootstrapPath ) );
556         if (xWriteReg.is())
557         {
558             if (bReadOnly)
559             {
560                 try
561                 {
562                     xWriteReg->open( rWriteRegistry, sal_True, sal_False );
563                 }
564                 catch (registry::InvalidRegistryException &)
565                 {
566                 }
567 
568                 if (! xWriteReg->isValid())
569                 {
570                     throw RuntimeException(
571                         OUSTR("specified first registry "
572                               "could not be open readonly!"),
573                         Reference< XInterface >() );
574                 }
575             }
576             else
577             {
578                 xWriteReg->open( rWriteRegistry, sal_False, sal_True );
579             }
580         }
581 
582         Reference< registry::XSimpleRegistry > xReadReg(
583             createSimpleRegistry( rBootstrapPath ) );
584         if (xReadReg.is())
585         {
586             xReadReg->open( rReadRegistry, sal_True, sal_False );
587         }
588 
589         Reference< lang::XInitialization > xInit( xRegistry, UNO_QUERY );
590         Sequence< Any > aInitSeq( 2 );
591         aInitSeq[ 0 ] <<= xWriteReg;
592         aInitSeq[ 1 ] <<= xReadReg;
593         xInit->initialize( aInitSeq );
594     }
595 
596     if (bRegistryShouldBeValid && (!xRegistry.is() || !xRegistry->isValid()))
597     {
598         throw RuntimeException(
599             OUSTR("specified registry could not be initialized"),
600             Reference< XInterface >() );
601     }
602 
603     Bootstrap bootstrap;
604     Reference< XComponentContext > xContext(
605         bootstrapInitialContext(
606             xSF, xRegistry, xRegistry, rBootstrapPath, bootstrap ) );
607 
608     // initialize sf
609     Reference< lang::XInitialization > xInit( xSF, UNO_QUERY );
610     OSL_ASSERT( xInit.is() );
611     Sequence< Any > aSFInit( 1 );
612     aSFInit[ 0 ] <<= xRegistry;
613     xInit->initialize( aSFInit );
614 
615     return xSF;
616 }
617 
618 Reference< lang::XMultiServiceFactory > SAL_CALL createRegistryServiceFactory(
619     const OUString & rWriteRegistry,
620     const OUString & rReadRegistry,
621     sal_Bool bReadOnly,
622     const OUString & rBootstrapPath )
623 {
624     return Reference< lang::XMultiServiceFactory >( createImplServiceFactory(
625         rWriteRegistry, rReadRegistry, bReadOnly, rBootstrapPath ), UNO_QUERY );
626 }
627 
628 Reference< XComponentContext > SAL_CALL bootstrap_InitialComponentContext(
629     Reference< registry::XSimpleRegistry > const & xRegistry,
630     OUString const & rBootstrapPath )
631 {
632     Bootstrap bootstrap;
633 
634     Reference< lang::XMultiComponentFactory > xSF(
635         bootstrapInitialSF( rBootstrapPath ) );
636     Reference< XComponentContext > xContext(
637         bootstrapInitialContext(
638             xSF, xRegistry, xRegistry, rBootstrapPath, bootstrap ) );
639 
640     // initialize sf
641     Reference< lang::XInitialization > xInit( xSF, UNO_QUERY );
642     OSL_ASSERT( xInit.is() );
643     Sequence< Any > aSFInit( 2 );
644     aSFInit[ 0 ] <<= xRegistry;
645     aSFInit[ 1 ] <<= xContext; // default context
646     xInit->initialize( aSFInit );
647 
648     return xContext;
649 }
650 
651 }
652