| /** |
| * 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. |
| */ |
| |
| /* |
| * XSEC |
| * |
| * XSECAlgorithmMapper := Provides a table of AlgorithmHandlers |
| * Mapped by Type URI |
| * |
| * $Id$ |
| * |
| */ |
| |
| // XSEC Includes |
| |
| #include <xsec/framework/XSECDefs.hpp> |
| #include <xsec/framework/XSECAlgorithmHandler.hpp> |
| #include <xsec/framework/XSECAlgorithmMapper.hpp> |
| #include <xsec/framework/XSECError.hpp> |
| #include <xsec/utils/XSECDOMUtils.hpp> |
| |
| // Xerces |
| |
| #include <xercesc/util/XMLString.hpp> |
| #include <xercesc/util/XMLUniDefs.hpp> |
| |
| XERCES_CPP_NAMESPACE_USE |
| |
| // Default strings |
| |
| const XMLCh XSECAlgorithmMapper::s_defaultEncryptionMapping [] = { |
| chLatin_D, |
| chLatin_e, |
| chLatin_f, |
| chLatin_a, |
| chLatin_u, |
| chLatin_l, |
| chLatin_t, |
| chLatin_E, |
| chLatin_n, |
| chLatin_c, |
| chLatin_r, |
| chLatin_y, |
| chLatin_p, |
| chLatin_t, |
| chLatin_i, |
| chLatin_o, |
| chLatin_n, |
| chNull |
| }; |
| |
| |
| |
| XSECAlgorithmMapper::XSECAlgorithmMapper(void) { |
| |
| } |
| |
| |
| XSECAlgorithmMapper::~XSECAlgorithmMapper() { |
| |
| MapperEntryVectorType::iterator it = m_mapping.begin(); |
| |
| while (it != m_mapping.end()) { |
| |
| XSEC_RELEASE_XMLCH(((*it)->mp_uri)); |
| delete (*it)->mp_handler; |
| delete (*it); |
| |
| it++; |
| |
| } |
| |
| m_mapping.clear(); |
| |
| XMLCh* ptr; |
| for (WhitelistVectorType::const_iterator i = m_whitelist.begin(); i != m_whitelist.end(); ++i) { |
| ptr = *i; |
| XSEC_RELEASE_XMLCH(ptr); |
| } |
| m_whitelist.clear(); |
| |
| for (WhitelistVectorType::const_iterator i = m_blacklist.begin(); i != m_blacklist.end(); ++i) { |
| ptr = *i; |
| XSEC_RELEASE_XMLCH(ptr); |
| } |
| m_blacklist.clear(); |
| } |
| |
| XSECAlgorithmMapper::MapperEntry * XSECAlgorithmMapper::findEntry(const XMLCh * URI) const { |
| |
| MapperEntryVectorType::const_iterator it = m_mapping.begin(); |
| |
| while (it != m_mapping.end()) { |
| |
| if (strEquals((*it)->mp_uri, URI)) { |
| return (*it); |
| } |
| |
| it++; |
| |
| } |
| |
| return NULL; |
| |
| } |
| |
| |
| XSECAlgorithmHandler * XSECAlgorithmMapper::mapURIToHandler(const XMLCh * URI) const { |
| |
| bool allowed = true; |
| if (!m_whitelist.empty()) { |
| allowed = false; |
| for (WhitelistVectorType::const_iterator i = m_whitelist.begin(); !allowed && i != m_whitelist.end(); ++i) { |
| if (XMLString::equals(URI, *i)) |
| allowed = true; |
| } |
| } |
| |
| if (allowed && !m_blacklist.empty()) { |
| for (WhitelistVectorType::const_iterator i = m_blacklist.begin(); allowed && i != m_blacklist.end(); ++i) { |
| if (XMLString::equals(URI, *i)) |
| allowed = false; |
| } |
| } |
| |
| if (!allowed) { |
| safeBuffer output; |
| output.sbTranscodeIn("XSECAlgorithmMapper::mapURIToHandler - URI "); |
| output.sbXMLChCat(URI); |
| output.sbXMLChCat(" disallowed by whitelist/blacklist policy"); |
| throw XSECException(XSECException::AlgorithmMapperError, |
| output.rawXMLChBuffer()); |
| } |
| |
| MapperEntry * entry = findEntry(URI); |
| |
| if (entry == NULL) { |
| safeBuffer output; |
| output.sbTranscodeIn("XSECAlgorithmMapper::mapURIToHandler - URI "); |
| output.sbXMLChCat(URI); |
| output.sbXMLChCat(" not found"); |
| throw XSECException(XSECException::AlgorithmMapperError, |
| output.rawXMLChBuffer()); |
| } |
| |
| return entry->mp_handler; |
| } |
| |
| void XSECAlgorithmMapper::registerHandler(const XMLCh * URI, const XSECAlgorithmHandler & handler) { |
| |
| MapperEntry * entry = findEntry(URI); |
| |
| if (entry != NULL) { |
| |
| delete entry->mp_handler; |
| |
| } |
| else { |
| XSECnew(entry, MapperEntry); |
| |
| entry->mp_uri = XMLString::replicate(URI); |
| m_mapping.push_back(entry); |
| |
| } |
| entry->mp_handler = handler.clone(); |
| |
| } |
| |
| void XSECAlgorithmMapper::whitelistAlgorithm(const XMLCh* URI) |
| { |
| m_whitelist.push_back(XMLString::replicate(URI)); |
| } |
| |
| void XSECAlgorithmMapper::blacklistAlgorithm(const XMLCh* URI) |
| { |
| m_blacklist.push_back(XMLString::replicate(URI)); |
| } |