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