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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 "boost/noncopyable.hpp"
24 : #include "com/sun/star/lang/XServiceInfo.hpp"
25 : #include "com/sun/star/uno/Exception.hpp"
26 : #include "com/sun/star/uno/Reference.hxx"
27 : #include "com/sun/star/uno/RuntimeException.hpp"
28 : #include "com/sun/star/uno/Sequence.hxx"
29 : #include "com/sun/star/uno/XComponentContext.hpp"
30 : #include "com/sun/star/uno/XInterface.hpp"
31 : #include "com/sun/star/uri/XExternalUriReferenceTranslator.hpp"
32 : #include "cppuhelper/implbase2.hxx"
33 : #include "cppuhelper/supportsservice.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 : namespace {
45 :
46 : class Translator:
47 : public cppu::WeakImplHelper2<
48 : css::lang::XServiceInfo, css::uri::XExternalUriReferenceTranslator>,
49 : private boost::noncopyable
50 : {
51 : public:
52 0 : explicit Translator(
53 : css::uno::Reference< css::uno::XComponentContext > const & context):
54 0 : m_context(context) {}
55 :
56 : virtual OUString SAL_CALL getImplementationName()
57 : throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
58 :
59 : virtual sal_Bool SAL_CALL supportsService(OUString const & serviceName)
60 : throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
61 :
62 : virtual css::uno::Sequence< OUString > SAL_CALL
63 : getSupportedServiceNames() throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
64 :
65 : virtual OUString SAL_CALL
66 : translateToInternal(OUString const & externalUriReference)
67 : throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
68 :
69 : virtual OUString SAL_CALL
70 : translateToExternal(OUString const & internalUriReference)
71 : throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
72 :
73 : private:
74 0 : virtual ~Translator() {}
75 :
76 : css::uno::Reference< css::uno::XComponentContext > m_context;
77 : };
78 :
79 0 : OUString Translator::getImplementationName()
80 : throw (css::uno::RuntimeException, std::exception)
81 : {
82 : return
83 0 : stoc_services::ExternalUriReferenceTranslator::getImplementationName();
84 : }
85 :
86 0 : sal_Bool Translator::supportsService(OUString const & serviceName)
87 : throw (css::uno::RuntimeException, std::exception)
88 : {
89 0 : return cppu::supportsService(this, serviceName);
90 : }
91 :
92 0 : css::uno::Sequence< OUString > Translator::getSupportedServiceNames()
93 : throw (css::uno::RuntimeException, std::exception)
94 : {
95 : return stoc_services::ExternalUriReferenceTranslator::
96 0 : getSupportedServiceNames();
97 : }
98 :
99 0 : OUString Translator::translateToInternal(
100 : OUString const & externalUriReference)
101 : throw (css::uno::RuntimeException, std::exception)
102 : {
103 0 : if (!externalUriReference.matchIgnoreAsciiCase("file:/"))
104 : {
105 0 : return externalUriReference;
106 : }
107 0 : sal_Int32 i = RTL_CONSTASCII_LENGTH("file:");
108 0 : OUStringBuffer buf;
109 0 : buf.append(externalUriReference.getStr(), i);
110 : // Some environments (e.g., Java) produce illegal file URLs without an
111 : // authority part; treat them as having an empty authority part:
112 0 : if (!externalUriReference.match("//", i))
113 : {
114 0 : buf.append("//");
115 : }
116 0 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
117 0 : for (bool path = true;;) {
118 0 : sal_Int32 j = i;
119 0 : while (j != externalUriReference.getLength()
120 0 : && externalUriReference[j] != '#'
121 0 : && (!path || externalUriReference[j] != '/'))
122 : {
123 0 : ++j;
124 : }
125 0 : if (j != i) {
126 : OUString seg(
127 : rtl::Uri::encode(
128 : rtl::Uri::decode(
129 : externalUriReference.copy(i, j - i),
130 : rtl_UriDecodeStrict, encoding),
131 : rtl_UriCharClassPchar, rtl_UriEncodeStrict,
132 0 : RTL_TEXTENCODING_UTF8));
133 0 : if (seg.isEmpty()) {
134 0 : return OUString();
135 : }
136 0 : buf.append(seg);
137 : }
138 0 : if (j == externalUriReference.getLength()) {
139 0 : break;
140 : }
141 0 : buf.append(externalUriReference[j]);
142 0 : path = externalUriReference[j] == '/';
143 0 : i = j + 1;
144 0 : }
145 0 : return buf.makeStringAndClear();
146 : }
147 :
148 0 : OUString Translator::translateToExternal(
149 : OUString const & internalUriReference)
150 : throw (css::uno::RuntimeException, std::exception)
151 : {
152 0 : if (!internalUriReference.matchIgnoreAsciiCase("file://"))
153 : {
154 0 : return internalUriReference;
155 : }
156 0 : sal_Int32 i = RTL_CONSTASCII_LENGTH("file://");
157 0 : OUStringBuffer buf;
158 0 : buf.append(internalUriReference.getStr(), i);
159 0 : rtl_TextEncoding encoding = osl_getThreadTextEncoding();
160 0 : for (bool path = true;;) {
161 0 : sal_Int32 j = i;
162 0 : while (j != internalUriReference.getLength()
163 0 : && internalUriReference[j] != '#'
164 0 : && (!path || internalUriReference[j] != '/'))
165 : {
166 0 : ++j;
167 : }
168 0 : if (j != i) {
169 : // Use rtl_UriDecodeToIuri -> rtl_UriEncodeStrictKeepEscapes instead
170 : // of rtl_UriDecodeStrict -> rtl_UriEncodeStrict, so that spurious
171 : // non--UTF-8 octets like "%FE" are copied verbatim:
172 : OUString seg(
173 : rtl::Uri::encode(
174 : rtl::Uri::decode(
175 : internalUriReference.copy(i, j - i),
176 : rtl_UriDecodeToIuri, RTL_TEXTENCODING_UTF8),
177 : rtl_UriCharClassPchar, rtl_UriEncodeStrictKeepEscapes,
178 0 : encoding));
179 0 : if (seg.isEmpty()) {
180 0 : return OUString();
181 : }
182 0 : buf.append(seg);
183 : }
184 0 : if (j == internalUriReference.getLength()) {
185 0 : break;
186 : }
187 0 : buf.append(internalUriReference[j]);
188 0 : path = internalUriReference[j] == '/';
189 0 : i = j + 1;
190 0 : }
191 0 : return buf.makeStringAndClear();
192 : }
193 :
194 : }
195 :
196 : namespace stoc_services { namespace ExternalUriReferenceTranslator {
197 :
198 0 : css::uno::Reference< css::uno::XInterface > create(
199 : css::uno::Reference< css::uno::XComponentContext > const & context)
200 : SAL_THROW((css::uno::Exception))
201 : {
202 0 : return static_cast< cppu::OWeakObject * >(new Translator(context));
203 : }
204 :
205 0 : OUString getImplementationName() {
206 0 : return OUString("com.sun.star.comp.uri.ExternalUriReferenceTranslator");
207 : }
208 :
209 0 : css::uno::Sequence< OUString > getSupportedServiceNames() {
210 0 : css::uno::Sequence< OUString > s(1);
211 0 : s[0] = "com.sun.star.uri.ExternalUriReferenceTranslator";
212 0 : return s;
213 : }
214 :
215 : } }
216 :
217 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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