| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_ucb.hxx" |
| |
| /************************************************************************** |
| TODO |
| ************************************************************************** |
| |
| *************************************************************************/ |
| |
| #include "rtl/ustrbuf.hxx" |
| #include "osl/diagnose.h" |
| #include "comphelper/storagehelper.hxx" |
| |
| #include "../inc/urihelper.hxx" |
| |
| #include "pkguri.hxx" |
| |
| using namespace package_ucp; |
| using namespace rtl; |
| |
| //========================================================================= |
| //========================================================================= |
| // |
| // PackageUri Implementation. |
| // |
| //========================================================================= |
| //========================================================================= |
| |
| static void normalize( OUString& rURL ) |
| { |
| sal_Int32 nPos = 0; |
| do |
| { |
| nPos = rURL.indexOf( '%', nPos ); |
| if ( nPos != -1 ) |
| { |
| if ( nPos < ( rURL.getLength() - 2 ) ) |
| { |
| OUString aTmp = rURL.copy( nPos + 1, 2 ); |
| rURL = rURL.replaceAt( nPos + 1, 2, aTmp.toAsciiUpperCase() ); |
| nPos++; |
| } |
| } |
| } |
| while ( nPos != -1 ); |
| } |
| |
| //========================================================================= |
| void PackageUri::init() const |
| { |
| // Already inited? |
| if ( m_aUri.getLength() && !m_aPath.getLength() ) |
| { |
| // Note: Maybe it's a re-init, setUri only resets m_aPath! |
| m_aPackage = m_aParentUri = m_aName = m_aParam = m_aScheme |
| = OUString(); |
| |
| // URI must match at least: <sheme>://<non_empty_url_to_file> |
| if ( ( m_aUri.getLength() < PACKAGE_URL_SCHEME_LENGTH + 4 ) ) |
| { |
| // error, but remember that we did a init(). |
| m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); |
| return; |
| } |
| |
| // Scheme must be followed by '://' |
| if ( ( m_aUri.getStr()[ PACKAGE_URL_SCHEME_LENGTH ] |
| != sal_Unicode( ':' ) ) |
| || |
| ( m_aUri.getStr()[ PACKAGE_URL_SCHEME_LENGTH + 1 ] |
| != sal_Unicode( '/' ) ) |
| || |
| ( m_aUri.getStr()[ PACKAGE_URL_SCHEME_LENGTH + 2 ] |
| != sal_Unicode( '/' ) ) ) |
| { |
| // error, but remember that we did a init(). |
| m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); |
| return; |
| } |
| |
| rtl::OUString aPureUri; |
| sal_Int32 nParam = m_aUri.indexOf( '?' ); |
| if( nParam >= 0 ) |
| { |
| m_aParam = m_aUri.copy( nParam ); |
| aPureUri = m_aUri.copy( 0, nParam ); |
| } |
| else |
| aPureUri = m_aUri; |
| |
| // Scheme is case insensitive. |
| m_aScheme = aPureUri.copy( |
| 0, PACKAGE_URL_SCHEME_LENGTH ).toAsciiLowerCase(); |
| |
| if ( m_aScheme.equalsAsciiL( |
| RTL_CONSTASCII_STRINGPARAM( PACKAGE_URL_SCHEME ) ) |
| || m_aScheme.equalsAsciiL( |
| RTL_CONSTASCII_STRINGPARAM( PACKAGE_ZIP_URL_SCHEME ) ) ) |
| { |
| if ( m_aScheme.equalsAsciiL( |
| RTL_CONSTASCII_STRINGPARAM( PACKAGE_ZIP_URL_SCHEME ) ) ) |
| { |
| m_aParam += |
| ( m_aParam.getLength() |
| ? ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "&purezip" ) ) |
| : ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "?purezip" ) ) ); |
| } |
| |
| aPureUri = aPureUri.replaceAt( 0, |
| m_aScheme.getLength(), |
| m_aScheme ); |
| |
| sal_Int32 nStart = PACKAGE_URL_SCHEME_LENGTH + 3; |
| sal_Int32 nEnd = aPureUri.lastIndexOf( '/' ); |
| if ( nEnd == PACKAGE_URL_SCHEME_LENGTH + 3 ) |
| { |
| // Only <scheme>:/// - Empty authority |
| |
| // error, but remember that we did a init(). |
| m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); |
| return; |
| } |
| else if ( nEnd == ( aPureUri.getLength() - 1 ) ) |
| { |
| if ( aPureUri.getStr()[ aPureUri.getLength() - 2 ] |
| == sal_Unicode( '/' ) ) |
| { |
| // Only <scheme>://// or <scheme>://<something>// |
| |
| // error, but remember that we did a init(). |
| m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); |
| return; |
| } |
| |
| // Remove trailing slash. |
| aPureUri = aPureUri.copy( 0, nEnd ); |
| } |
| |
| |
| nEnd = aPureUri.indexOf( '/', nStart ); |
| if ( nEnd == -1 ) |
| { |
| // root folder. |
| |
| OUString aNormPackage = aPureUri.copy( nStart ); |
| normalize( aNormPackage ); |
| |
| aPureUri = aPureUri.replaceAt( |
| nStart, aPureUri.getLength() - nStart, aNormPackage ); |
| m_aPackage |
| = ::ucb_impl::urihelper::decodeSegment( aNormPackage ); |
| m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); |
| m_aUri = m_aUri.replaceAt( 0, |
| ( nParam >= 0 ) |
| ? nParam |
| : m_aUri.getLength(), aPureUri ); |
| |
| sal_Int32 nLastSlash = m_aPackage.lastIndexOf( '/' ); |
| if ( nLastSlash != -1 ) |
| m_aName = ::ucb_impl::urihelper::decodeSegment( |
| m_aPackage.copy( nLastSlash + 1 ) ); |
| else |
| m_aName |
| = ::ucb_impl::urihelper::decodeSegment( m_aPackage ); |
| } |
| else |
| { |
| m_aPath = aPureUri.copy( nEnd + 1 ); |
| |
| // Unexpected sequences of characters: |
| // - empty path segments |
| // - encoded slashes |
| // - parent folder segments ".." |
| // - current folder segments "." |
| if ( m_aPath.indexOf( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "//" ) ) ) != -1 |
| || m_aPath.indexOf( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "%2F" ) ) ) != -1 |
| || m_aPath.indexOf( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "%2f" ) ) ) != -1 |
| || ::comphelper::OStorageHelper::PathHasSegment( m_aPath, ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( ".." ) ) ) |
| || ::comphelper::OStorageHelper::PathHasSegment( m_aPath, ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "." ) ) ) ) |
| { |
| // error, but remember that we did a init(). |
| m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); |
| return; |
| } |
| |
| OUString aNormPackage = aPureUri.copy( nStart, nEnd - nStart ); |
| normalize( aNormPackage ); |
| |
| aPureUri = aPureUri.replaceAt( |
| nStart, nEnd - nStart, aNormPackage ); |
| aPureUri = aPureUri.replaceAt( |
| nEnd + 1, |
| aPureUri.getLength() - nEnd - 1, |
| ::ucb_impl::urihelper::encodeURI( m_aPath ) ); |
| |
| m_aPackage |
| = ::ucb_impl::urihelper::decodeSegment( aNormPackage ); |
| m_aPath = ::ucb_impl::urihelper::decodeSegment( m_aPath ); |
| m_aUri = m_aUri.replaceAt( 0, |
| ( nParam >= 0 ) |
| ? nParam |
| : m_aUri.getLength(), aPureUri ); |
| |
| sal_Int32 nLastSlash = aPureUri.lastIndexOf( '/' ); |
| if ( nLastSlash != -1 ) |
| { |
| m_aParentUri = aPureUri.copy( 0, nLastSlash ); |
| m_aName = ::ucb_impl::urihelper::decodeSegment( |
| aPureUri.copy( nLastSlash + 1 ) ); |
| } |
| } |
| |
| // success |
| m_bValid = true; |
| } |
| else |
| { |
| // error, but remember that we did a init(). |
| m_aPath = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "/" ) ); |
| } |
| } |
| } |
