summaryrefslogtreecommitdiff
path: root/configmgr/source/localbe/localschemasupplier.cxx
blob: f752850465c689dc8d720fb7709c943b30c2b6b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"

#include "localschemasupplier.hxx"
#include "localfilehelper.hxx"
#include "oslstream.hxx"

#ifndef CONFIGMGR_API_FACTORY_HXX_
#include "confapifactory.hxx"
#endif // CONFIGMGR_API_FACTORY_HXX_
#include "serviceinfohelper.hxx"
#include "bootstrap.hxx"
#include "filehelper.hxx"
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/configuration/backend/InsufficientAccessRightsException.hpp>
#include <osl/file.hxx>
#include <osl/process.h>
#include <memory>

namespace configmgr { namespace localbe {

//==============================================================================

//------------------------------------------------------------------------------

LocalSchemaSupplier::LocalSchemaSupplier(
        const uno::Reference<uno::XComponentContext>& xContext) 
        : cppu::WeakComponentImplHelper3<backend::XVersionedSchemaSupplier, lang::XInitialization, lang::XServiceInfo>(mMutex), mFactory(xContext->getServiceManager(),uno::UNO_QUERY) {
}
//------------------------------------------------------------------------------

LocalSchemaSupplier::~LocalSchemaSupplier(void) {}
//------------------------------------------------------------------------------
static const rtl::OUString kSchemaDataUrl(
        RTL_CONSTASCII_USTRINGPARAM(CONTEXT_ITEM_PREFIX_"SchemaDataUrl")) ;

static const rtl::OUString kSchemaVersion(
        RTL_CONSTASCII_USTRINGPARAM(CONTEXT_ITEM_PREFIX_"SchemaVersion")) ;

void SAL_CALL LocalSchemaSupplier::initialize(
        const uno::Sequence<uno::Any>& aParameters) 
    throw (uno::RuntimeException, uno::Exception,
           css::configuration::InvalidBootstrapFileException,
           backend::CannotConnectException,
           backend::BackendSetupException)
{
    if (aParameters.getLength() == 0) {
        throw lang::IllegalArgumentException(
                rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                        "No parameters provided to LocalSchemaSupplier")),
                *this, 0) ;
    }
    uno::Reference<uno::XComponentContext> context ;

    for (sal_Int32 i = 0 ; i < aParameters.getLength() ; ++ i) {
        if (aParameters [i] >>= context) { break ; }
    }

    // Setting: schema version
    // TODO: Add support for repository-specific versions
    uno::Any const aSchemaVersionSetting = context->getValueByName(kSchemaVersion);
    aSchemaVersionSetting >>= mSchemaVersion;

    // Setting: schema diretory(ies)
    uno::Any const aSchemaDataSetting = context->getValueByName(kSchemaDataUrl);
    uno::Sequence< rtl::OUString > aSchemas;
    rtl::OUString schemas;

    if (aSchemaDataSetting >>= schemas) 
    {
        fillFromBlankSeparated(schemas, aSchemas) ;
    }
    else 
    {
        aSchemaDataSetting >>=  aSchemas;
    }
    //validate SchemaDataUrls
    mSchemaDataUrls.realloc(aSchemas.getLength());
    
    sal_Int32 nSchemaLocations =0;
    sal_Int32 nExistingSchemaLocations = 0;
    for (sal_Int32 j = 0; j < aSchemas.getLength(); ++j)
    {
        bool bOptional = checkOptionalArg(aSchemas[j]);

        if(!bOptional)
            validateFileURL(aSchemas[j],*this);
        else if (!isValidFileURL(aSchemas[j]))
            continue;
        
        OSL_ASSERT(isValidFileURL(aSchemas[j]));
        
        //NormalizeURL
        implEnsureAbsoluteURL(aSchemas[j]);
        if(!normalizeURL(aSchemas[j],*this,bOptional))
            continue;
    
        //now we have a correct file URL, which we will use
        mSchemaDataUrls[nSchemaLocations++]= aSchemas[j];
        if (!bOptional)
            checkFileExists(aSchemas[j],*this);

        else if(!FileHelper::fileExists(aSchemas[j]))
            continue; // skip the directory check

        checkIfDirectory(aSchemas[j],*this);
        ++nExistingSchemaLocations;
    }
    if (0 == nExistingSchemaLocations)
    {
        rtl::OUString sMsg = rtl::OUString::createFromAscii("LocalBackend: No schema directories found");
        throw backend::BackendSetupException(sMsg,*this, uno::Any()) ;
    }
    mSchemaDataUrls.realloc(nSchemaLocations);
}
//------------------------------------------------------------------------------

rtl::OUString SAL_CALL 
    LocalSchemaSupplier::getSchemaVersion(const rtl::OUString& /*aComponent*/) 
        throw (backend::BackendAccessException, lang::IllegalArgumentException,
                uno::RuntimeException)
{
    // TODO: Add support for repository-specific versions
    return mSchemaVersion;
}
//------------------------------------------------------------------------------
static const rtl::OUString kSchemaSuffix(RTL_CONSTASCII_USTRINGPARAM(".xcs")) ;
static const rtl::OUString kXMLSchemaParser(RTL_CONSTASCII_USTRINGPARAM(
            "com.sun.star.configuration.backend.xml.SchemaParser")) ;

uno::Reference<backend::XSchema> SAL_CALL 
    LocalSchemaSupplier::getComponentSchema(const rtl::OUString& aComponent) 
        throw (backend::BackendAccessException, lang::IllegalArgumentException,
                uno::RuntimeException)
{
    rtl::OUString subPath = componentToPath(aComponent) ;

    osl::File * schemaFile = NULL;
    rtl::OUString errorMessage;
    bool bInsufficientAccess = false;
    for (sal_Int32 ix = 0; ix < mSchemaDataUrls.getLength(); ++ix)
    {
        rtl::OUStringBuffer schemaUrl(mSchemaDataUrls[ix]) ;

        schemaUrl.append(subPath).append(kSchemaSuffix) ;

        rtl::OUString const aFileUrl = schemaUrl.makeStringAndClear();

        std::auto_ptr<osl::File> checkFile( new osl::File(aFileUrl) );
        osl::File::RC rc = checkFile->open(OpenFlag_Read) ;

        if (rc == osl::File::E_None)
        {
            schemaFile = checkFile.release();
            break;
        }
        else if (rc != osl::File::E_NOENT)
        {
            if (rc == osl::File::E_ACCES)
                bInsufficientAccess =true;

            // accumulate error messages
            rtl::OUStringBuffer sMsg(errorMessage);
            if (errorMessage.getLength())
                sMsg.appendAscii("LocalFile SchemaSupplier - Error accessing schema: ");

            sMsg.appendAscii("\n- Cannot open input file \"");
            sMsg.append(aFileUrl);
            sMsg.appendAscii("\" : ");
            sMsg.append(FileHelper::createOSLErrorString(rc));
            
            errorMessage = sMsg.makeStringAndClear();
        }
    }

    if (NULL == schemaFile)
    {
        if (errorMessage.getLength() != 0)
        {
            // a real error occured
            io::IOException ioe(errorMessage,*this);

            rtl::OUStringBuffer sMsg;
            sMsg.appendAscii("LocalFileLayer - Cannot readData: ").append(errorMessage);
        
            if (bInsufficientAccess)
                throw backend::InsufficientAccessRightsException(sMsg.makeStringAndClear(),*this,uno::makeAny(ioe));
            else
                throw backend::BackendAccessException(sMsg.makeStringAndClear(),*this,uno::makeAny(ioe));
        }
        // simply not found
        return NULL;
    }

    uno::Sequence<uno::Any> arguments(1) ;
    uno::Reference<io::XInputStream> stream( new OSLInputStreamWrapper(schemaFile, true) );

    arguments [0] <<= stream ;
    uno::Reference<backend::XSchema> schema(
            mFactory->createInstanceWithArguments(kXMLSchemaParser, arguments),
            uno::UNO_QUERY) ;

    if (!schema.is()) 
    {
        throw uno::RuntimeException(
                rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                        "Cannot instantiate Schema Parser for ")) + aComponent, 
                *this) ;
    }
    return schema ;
}
//------------------------------------------------------------------------------


//------------------------------------------------------------------------------

static const sal_Char * const kImplementation = 
                "com.sun.star.comp.configuration.backend.LocalSchemaSupplier" ;
static const sal_Char * const kSchemaService = 
                "com.sun.star.configuration.backend.SchemaSupplier" ;
static const sal_Char * const kLocalService = 
                "com.sun.star.configuration.backend.LocalSchemaSupplier" ;

static sal_Char const * kServiceNames [] = {kLocalService, 0, kSchemaService, 0 } ;
static const ServiceImplementationInfo kServiceInfo = { kImplementation, kServiceNames,kServiceNames+2 } ;

const ServiceRegistrationInfo *getLocalSchemaSupplierServiceInfo() 
{ return getRegistrationInfo(&kServiceInfo) ; }

uno::Reference<uno::XInterface> SAL_CALL 
instantiateLocalSchemaSupplier(const uno::Reference< uno::XComponentContext >& xContext) {
    return *new LocalSchemaSupplier(xContext) ;
}
//------------------------------------------------------------------------------

rtl::OUString SAL_CALL LocalSchemaSupplier::getImplementationName(void) 
    throw (uno::RuntimeException) 
{
    return ServiceInfoHelper(&kServiceInfo).getImplementationName() ;
}
//------------------------------------------------------------------------------

sal_Bool SAL_CALL LocalSchemaSupplier::supportsService(
                                        const rtl::OUString& aServiceName) 
    throw (uno::RuntimeException) 
{
    return  ServiceInfoHelper(&kServiceInfo).supportsService(aServiceName);
}
//------------------------------------------------------------------------------

uno::Sequence<rtl::OUString> 
SAL_CALL LocalSchemaSupplier::getSupportedServiceNames(void) 
    throw (uno::RuntimeException) 
{
    return ServiceInfoHelper(&kServiceInfo).getSupportedServiceNames() ;
}

// ---------------------------------------------------------------------------------------

} } // configmgr.localbe