1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_stoc.hxx" 26 27 #include "stocservices.hxx" 28 29 #include "supportsService.hxx" 30 31 #include "com/sun/star/lang/XServiceInfo.hpp" 32 #include "com/sun/star/uno/Exception.hpp" 33 #include "com/sun/star/uno/Reference.hxx" 34 #include "com/sun/star/uno/RuntimeException.hpp" 35 #include "com/sun/star/uno/Sequence.hxx" 36 #include "com/sun/star/uno/XComponentContext.hpp" 37 #include "com/sun/star/uno/XInterface.hpp" 38 #include "com/sun/star/uri/XExternalUriReferenceTranslator.hpp" 39 #include "cppuhelper/implbase2.hxx" 40 #include "cppuhelper/weak.hxx" 41 #include "osl/thread.h" 42 #include "rtl/string.h" 43 #include "rtl/textenc.h" 44 #include "rtl/uri.h" 45 #include "rtl/uri.hxx" 46 #include "rtl/ustrbuf.hxx" 47 #include "rtl/ustring.hxx" 48 #include "sal/types.h" 49 50 #include <new> 51 52 namespace css = com::sun::star; 53 54 namespace { 55 56 class Translator: public cppu::WeakImplHelper2< 57 css::lang::XServiceInfo, css::uri::XExternalUriReferenceTranslator > 58 { 59 public: 60 explicit Translator( 61 css::uno::Reference< css::uno::XComponentContext > const & context): 62 m_context(context) {} 63 64 virtual rtl::OUString SAL_CALL getImplementationName() 65 throw (css::uno::RuntimeException); 66 67 virtual sal_Bool SAL_CALL supportsService(rtl::OUString const & serviceName) 68 throw (css::uno::RuntimeException); 69 70 virtual css::uno::Sequence< rtl::OUString > SAL_CALL 71 getSupportedServiceNames() throw (css::uno::RuntimeException); 72 73 virtual rtl::OUString SAL_CALL 74 translateToInternal(rtl::OUString const & externalUriReference) 75 throw (css::uno::RuntimeException); 76 77 virtual rtl::OUString SAL_CALL 78 translateToExternal(rtl::OUString const & internalUriReference) 79 throw (css::uno::RuntimeException); 80 81 private: 82 Translator(Translator &); // not implemented 83 void operator =(Translator); // not implemented 84 85 virtual ~Translator() {} 86 87 css::uno::Reference< css::uno::XComponentContext > m_context; 88 }; 89 90 rtl::OUString Translator::getImplementationName() 91 throw (css::uno::RuntimeException) 92 { 93 return 94 stoc_services::ExternalUriReferenceTranslator::getImplementationName(); 95 } 96 97 sal_Bool Translator::supportsService(rtl::OUString const & serviceName) 98 throw (css::uno::RuntimeException) 99 { 100 return stoc::uriproc::supportsService( 101 getSupportedServiceNames(), serviceName); 102 } 103 104 css::uno::Sequence< rtl::OUString > Translator::getSupportedServiceNames() 105 throw (css::uno::RuntimeException) 106 { 107 return stoc_services::ExternalUriReferenceTranslator:: 108 getSupportedServiceNames(); 109 } 110 111 rtl::OUString Translator::translateToInternal( 112 rtl::OUString const & externalUriReference) 113 throw (css::uno::RuntimeException) 114 { 115 if (!externalUriReference.matchIgnoreAsciiCaseAsciiL( 116 RTL_CONSTASCII_STRINGPARAM("file:/"))) 117 { 118 return externalUriReference; 119 } 120 sal_Int32 i = RTL_CONSTASCII_LENGTH("file:"); 121 rtl::OUStringBuffer buf; 122 buf.append(externalUriReference.getStr(), i); 123 // Some environments (e.g., Java) produce illegal file URLs without an 124 // authority part; treat them as having an empty authority part: 125 if (!externalUriReference.matchAsciiL(RTL_CONSTASCII_STRINGPARAM("//"), i)) 126 { 127 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("//")); 128 } 129 rtl_TextEncoding encoding = osl_getThreadTextEncoding(); 130 for (bool path = true;;) { 131 sal_Int32 j = i; 132 while (j != externalUriReference.getLength() 133 && externalUriReference[j] != '#' 134 && (!path || externalUriReference[j] != '/')) 135 { 136 ++j; 137 } 138 if (j != i) { 139 rtl::OUString seg( 140 rtl::Uri::encode( 141 rtl::Uri::decode( 142 externalUriReference.copy(i, j - i), 143 rtl_UriDecodeStrict, encoding), 144 rtl_UriCharClassPchar, rtl_UriEncodeStrict, 145 RTL_TEXTENCODING_UTF8)); 146 if (seg.getLength() == 0) { 147 return rtl::OUString(); 148 } 149 buf.append(seg); 150 } 151 if (j == externalUriReference.getLength()) { 152 break; 153 } 154 buf.append(externalUriReference[j]); 155 path = externalUriReference[j] == '/'; 156 i = j + 1; 157 } 158 return buf.makeStringAndClear(); 159 } 160 161 rtl::OUString Translator::translateToExternal( 162 rtl::OUString const & internalUriReference) 163 throw (css::uno::RuntimeException) 164 { 165 if (!internalUriReference.matchIgnoreAsciiCaseAsciiL( 166 RTL_CONSTASCII_STRINGPARAM("file://"))) 167 { 168 return internalUriReference; 169 } 170 sal_Int32 i = RTL_CONSTASCII_LENGTH("file://"); 171 rtl::OUStringBuffer buf; 172 buf.append(internalUriReference.getStr(), i); 173 rtl_TextEncoding encoding = osl_getThreadTextEncoding(); 174 for (bool path = true;;) { 175 sal_Int32 j = i; 176 while (j != internalUriReference.getLength() 177 && internalUriReference[j] != '#' 178 && (!path || internalUriReference[j] != '/')) 179 { 180 ++j; 181 } 182 if (j != i) { 183 // Use rtl_UriDecodeToIuri -> rtl_UriEncodeStrictKeepEscapes instead 184 // of rtl_UriDecodeStrict -> rtl_UriEncodeStrict, so that spurious 185 // non--UTF-8 octets like "%FE" are copied verbatim: 186 rtl::OUString seg( 187 rtl::Uri::encode( 188 rtl::Uri::decode( 189 internalUriReference.copy(i, j - i), 190 rtl_UriDecodeToIuri, RTL_TEXTENCODING_UTF8), 191 rtl_UriCharClassPchar, rtl_UriEncodeStrictKeepEscapes, 192 encoding)); 193 if (seg.getLength() == 0) { 194 return rtl::OUString(); 195 } 196 buf.append(seg); 197 } 198 if (j == internalUriReference.getLength()) { 199 break; 200 } 201 buf.append(internalUriReference[j]); 202 path = internalUriReference[j] == '/'; 203 i = j + 1; 204 } 205 return buf.makeStringAndClear(); 206 } 207 208 } 209 210 namespace stoc_services { namespace ExternalUriReferenceTranslator { 211 212 css::uno::Reference< css::uno::XInterface > create( 213 css::uno::Reference< css::uno::XComponentContext > const & context) 214 SAL_THROW((css::uno::Exception)) 215 { 216 try { 217 return static_cast< cppu::OWeakObject * >(new Translator(context)); 218 } catch (std::bad_alloc &) { 219 throw css::uno::RuntimeException( 220 rtl::OUString::createFromAscii("std::bad_alloc"), 0); 221 } 222 } 223 224 rtl::OUString getImplementationName() { 225 return rtl::OUString::createFromAscii( 226 "com.sun.star.comp.uri.ExternalUriReferenceTranslator"); 227 } 228 229 css::uno::Sequence< rtl::OUString > getSupportedServiceNames() { 230 css::uno::Sequence< rtl::OUString > s(1); 231 s[0] = rtl::OUString::createFromAscii( 232 "com.sun.star.uri.ExternalUriReferenceTranslator"); 233 return s; 234 } 235 236 } } 237