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_ucb.hxx" 26 27 /************************************************************************** 28 TODO 29 ************************************************************************** 30 31 *************************************************************************/ 32 33 #include "rtl/ustrbuf.hxx" 34 #include "osl/diagnose.h" 35 #include "comphelper/storagehelper.hxx" 36 37 #include "../inc/urihelper.hxx" 38 39 #include "pkguri.hxx" 40 41 using namespace package_ucp; 42 using namespace rtl; 43 44 //========================================================================= 45 //========================================================================= 46 // 47 // PackageUri Implementation. 48 // 49 //========================================================================= 50 //========================================================================= 51 52 static void normalize( OUString& rURL ) 53 { 54 sal_Int32 nPos = 0; 55 do 56 { 57 nPos = rURL.indexOf( '%', nPos ); 58 if ( nPos != -1 ) 59 { 60 if ( nPos < ( rURL.getLength() - 2 ) ) 61 { 62 OUString aTmp = rURL.copy( nPos + 1, 2 ); 63 rURL = rURL.replaceAt( nPos + 1, 2, aTmp.toAsciiUpperCase() ); 64 nPos++; 65 } 66 } 67 } 68 while ( nPos != -1 ); 69 } 70 71 //========================================================================= 72 void PackageUri::init() const 73 { 74 // Already inited? 75 if ( m_aUri.getLength() && !m_aPath.getLength() ) 76 { 77 // Note: Maybe it's a re-init, setUri only resets m_aPath! 78 m_aPackage = m_aParentUri = m_aName = m_aParam = m_aScheme 79 = OUString(); 80 81 // URI must match at least: <sheme>://<non_empty_url_to_file> 82 if ( ( m_aUri.getLength() < PACKAGE_URL_SCHEME_LENGTH + 4 ) ) 83 { 84 // error, but remember that we did a init(). 85 m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); 86 return; 87 } 88 89 // Scheme must be followed by '://' 90 if ( ( m_aUri.getStr()[ PACKAGE_URL_SCHEME_LENGTH ] 91 != sal_Unicode( ':' ) ) 92 || 93 ( m_aUri.getStr()[ PACKAGE_URL_SCHEME_LENGTH + 1 ] 94 != sal_Unicode( '/' ) ) 95 || 96 ( m_aUri.getStr()[ PACKAGE_URL_SCHEME_LENGTH + 2 ] 97 != sal_Unicode( '/' ) ) ) 98 { 99 // error, but remember that we did a init(). 100 m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); 101 return; 102 } 103 104 rtl::OUString aPureUri; 105 sal_Int32 nParam = m_aUri.indexOf( '?' ); 106 if( nParam >= 0 ) 107 { 108 m_aParam = m_aUri.copy( nParam ); 109 aPureUri = m_aUri.copy( 0, nParam ); 110 } 111 else 112 aPureUri = m_aUri; 113 114 // Scheme is case insensitive. 115 m_aScheme = aPureUri.copy( 116 0, PACKAGE_URL_SCHEME_LENGTH ).toAsciiLowerCase(); 117 118 if ( m_aScheme.equalsAsciiL( 119 RTL_CONSTASCII_STRINGPARAM( PACKAGE_URL_SCHEME ) ) 120 || m_aScheme.equalsAsciiL( 121 RTL_CONSTASCII_STRINGPARAM( PACKAGE_ZIP_URL_SCHEME ) ) ) 122 { 123 if ( m_aScheme.equalsAsciiL( 124 RTL_CONSTASCII_STRINGPARAM( PACKAGE_ZIP_URL_SCHEME ) ) ) 125 { 126 m_aParam += 127 ( m_aParam.getLength() 128 ? ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "&purezip" ) ) 129 : ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "?purezip" ) ) ); 130 } 131 132 aPureUri = aPureUri.replaceAt( 0, 133 m_aScheme.getLength(), 134 m_aScheme ); 135 136 sal_Int32 nStart = PACKAGE_URL_SCHEME_LENGTH + 3; 137 sal_Int32 nEnd = aPureUri.lastIndexOf( '/' ); 138 if ( nEnd == PACKAGE_URL_SCHEME_LENGTH + 3 ) 139 { 140 // Only <scheme>:/// - Empty authority 141 142 // error, but remember that we did a init(). 143 m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); 144 return; 145 } 146 else if ( nEnd == ( aPureUri.getLength() - 1 ) ) 147 { 148 if ( aPureUri.getStr()[ aPureUri.getLength() - 2 ] 149 == sal_Unicode( '/' ) ) 150 { 151 // Only <scheme>://// or <scheme>://<something>// 152 153 // error, but remember that we did a init(). 154 m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); 155 return; 156 } 157 158 // Remove trailing slash. 159 aPureUri = aPureUri.copy( 0, nEnd ); 160 } 161 162 163 nEnd = aPureUri.indexOf( '/', nStart ); 164 if ( nEnd == -1 ) 165 { 166 // root folder. 167 168 OUString aNormPackage = aPureUri.copy( nStart ); 169 normalize( aNormPackage ); 170 171 aPureUri = aPureUri.replaceAt( 172 nStart, aPureUri.getLength() - nStart, aNormPackage ); 173 m_aPackage 174 = ::ucb_impl::urihelper::decodeSegment( aNormPackage ); 175 m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); 176 m_aUri = m_aUri.replaceAt( 0, 177 ( nParam >= 0 ) 178 ? nParam 179 : m_aUri.getLength(), aPureUri ); 180 181 sal_Int32 nLastSlash = m_aPackage.lastIndexOf( '/' ); 182 if ( nLastSlash != -1 ) 183 m_aName = ::ucb_impl::urihelper::decodeSegment( 184 m_aPackage.copy( nLastSlash + 1 ) ); 185 else 186 m_aName 187 = ::ucb_impl::urihelper::decodeSegment( m_aPackage ); 188 } 189 else 190 { 191 m_aPath = aPureUri.copy( nEnd + 1 ); 192 193 // Unexpected sequences of characters: 194 // - empty path segments 195 // - encoded slashes 196 // - parent folder segments ".." 197 // - current folder segments "." 198 if ( m_aPath.indexOf( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "//" ) ) ) != -1 199 || m_aPath.indexOf( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "%2F" ) ) ) != -1 200 || m_aPath.indexOf( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "%2f" ) ) ) != -1 201 || ::comphelper::OStorageHelper::PathHasSegment( m_aPath, ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".." ) ) ) 202 || ::comphelper::OStorageHelper::PathHasSegment( m_aPath, ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "." ) ) ) ) 203 { 204 // error, but remember that we did a init(). 205 m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); 206 return; 207 } 208 209 OUString aNormPackage = aPureUri.copy( nStart, nEnd - nStart ); 210 normalize( aNormPackage ); 211 212 aPureUri = aPureUri.replaceAt( 213 nStart, nEnd - nStart, aNormPackage ); 214 aPureUri = aPureUri.replaceAt( 215 nEnd + 1, 216 aPureUri.getLength() - nEnd - 1, 217 ::ucb_impl::urihelper::encodeURI( m_aPath ) ); 218 219 m_aPackage 220 = ::ucb_impl::urihelper::decodeSegment( aNormPackage ); 221 m_aPath = ::ucb_impl::urihelper::decodeSegment( m_aPath ); 222 m_aUri = m_aUri.replaceAt( 0, 223 ( nParam >= 0 ) 224 ? nParam 225 : m_aUri.getLength(), aPureUri ); 226 227 sal_Int32 nLastSlash = aPureUri.lastIndexOf( '/' ); 228 if ( nLastSlash != -1 ) 229 { 230 m_aParentUri = aPureUri.copy( 0, nLastSlash ); 231 m_aName = ::ucb_impl::urihelper::decodeSegment( 232 aPureUri.copy( nLastSlash + 1 ) ); 233 } 234 } 235 236 // success 237 m_bValid = true; 238 } 239 else 240 { 241 // error, but remember that we did a init(). 242 m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); 243 } 244 } 245 } 246