2 * Copyright 2001-2007 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * ChainingCredentialResolver.cpp
20 * CredentialResolver with chaining capability.
24 #include "XMLToolingConfig.h"
25 #include "security/CredentialResolver.h"
27 #include "util/XMLHelper.h"
29 #include <log4cpp/Category.hh>
30 #include <xercesc/util/XMLUniDefs.hpp>
32 using namespace xmltooling;
33 using namespace log4cpp;
36 namespace xmltooling {
37 class XMLTOOL_DLLLOCAL ChainingCredentialResolver : public CredentialResolver
40 ChainingCredentialResolver(const DOMElement* e);
41 virtual ~ChainingCredentialResolver() {
42 for_each(m_resolvers.begin(), m_resolvers.end(), xmltooling::cleanup<CredentialResolver>());
46 for_each(m_resolvers.begin(), m_resolvers.end(), mem_fun(&CredentialResolver::lock));
50 for_each(m_resolvers.begin(), m_resolvers.end(), mem_fun(&CredentialResolver::unlock));
53 const Credential* resolve(const CredentialCriteria* criteria=NULL) const {
54 const Credential* cred = NULL;
55 for (vector<CredentialResolver*>::const_iterator cr = m_resolvers.begin(); !cred && cr!=m_resolvers.end(); ++cr)
56 cred = (*cr)->resolve(criteria);
60 virtual vector<const Credential*>::size_type resolve(
61 vector<const Credential*>& results, const CredentialCriteria* criteria=NULL
63 for (vector<CredentialResolver*>::const_iterator cr = m_resolvers.begin(); cr!=m_resolvers.end(); ++cr)
64 (*cr)->resolve(results, criteria);
65 return results.size();
69 vector<CredentialResolver*> m_resolvers;
72 CredentialResolver* XMLTOOL_DLLLOCAL ChainingCredentialResolverFactory(const DOMElement* const & e)
74 return new ChainingCredentialResolver(e);
77 static const XMLCh _CredentialResolver[] = UNICODE_LITERAL_18(C,r,e,d,e,n,t,i,a,l,R,e,s,o,l,v,e,r);
78 static const XMLCh _type[] = UNICODE_LITERAL_4(t,y,p,e);
81 ChainingCredentialResolver::ChainingCredentialResolver(const DOMElement* e)
84 NDC ndc("ChainingCredentialResolver");
87 XMLToolingConfig& conf = XMLToolingConfig::getConfig();
89 // Load up the chain of resolvers.
90 e = e ? XMLHelper::getFirstChildElement(e, _CredentialResolver) : NULL;
92 auto_ptr_char type(e->getAttributeNS(NULL,_type));
93 if (type.get() && *(type.get())) {
95 m_resolvers.push_back(conf.CredentialResolverManager.newPlugin(type.get(),e));
97 catch (exception& ex) {
98 Category::getInstance(XMLTOOLING_LOGCAT".CredentialResolver.Chaining").error(
99 "caught exception processing embedded CredentialResolver element: %s", ex.what()
103 e = XMLHelper::getNextSiblingElement(e, _CredentialResolver);