/*
* Copyright 2001-2007 Internet2
- *
+ *
* Licensed 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
/**
* @file saml/saml2/metadata/MetadataProvider.h
- *
+ *
* Supplies an individual source of metadata.
*/
#include <xmltooling/security/CredentialResolver.h>
namespace opensaml {
-
+
class SAML_API SAMLArtifact;
namespace saml2md {
/**
* Supplies an individual source of metadata.
- *
+ *
* The source can be a local file, remote service, or the result of a
* dynamic lookup, can include local caching, etc. Providers
* <strong>MUST</strong> be locked before any lookup operations.
protected:
/**
* Constructor.
- *
+ *
* If a DOM is supplied, a set of default logic will be used to identify
* and build MetadataFilter plugins and install them into the provider.
- *
+ *
* The following XML content is supported:
- *
+ *
* <ul>
* <li><MetadataFilter> elements with a type attribute and type-specific content
* <li><Exclude> elements representing a BlacklistMetadataFilter
- * <li><BlacklistMetadataFilter> element containing <Exclude> elements
+ * <li><BlacklistMetadataFilter> element containing <Exclude> elements
* <li><Include> elements representing a WhitelistMetadataFilter
- * <li><SignatureMetadataFilter> element containing a <KeyResolver> element
- * <li><WhitelistMetadataFilter> element containing <Include> elements
+ * <li><SignatureMetadataFilter> element containing a <KeyResolver> element
+ * <li><WhitelistMetadataFilter> element containing <Include> elements
* </ul>
- *
+ *
* XML namespaces are ignored in the processing of these elements.
- *
+ *
* @param e DOM to supply configuration for provider
*/
MetadataProvider(const xercesc::DOMElement* e=NULL);
-
+
public:
/**
* Destructor will delete any installed filters.
*/
virtual ~MetadataProvider();
-
+
/**
* Adds a metadata filter to apply to any resolved metadata. Will not be applied
* to metadata that is already loaded.
- *
+ *
* @param newFilter metadata filter to add
*/
virtual void addMetadataFilter(MetadataFilter* newFilter) {
/**
* Removes a metadata filter. The caller must delete the filter if necessary.
- *
+ *
* @param oldFilter metadata filter to remove
* @return the old filter
*/
}
return NULL;
}
-
+
/**
* Should be called after instantiating provider and adding filters, but before
* performing any lookup operations. Allows the provider to defer initialization
* this method so as to report/log any errors that would affect later processing.
*/
virtual void init()=0;
-
+
/**
* Gets the entire metadata tree, after the registered filter has been applied.
* The caller MUST unlock the provider when finished with the data.
- *
+ *
* @return the entire metadata tree
*/
virtual const xmltooling::XMLObject* getMetadata() const=0;
-
+
/**
* Gets the metadata for a given group of entities. If a valid group is returned,
* the resolver will be left in a locked state. The caller MUST unlock the
* resolver when finished with the group.
- *
+ *
* @param name the name of the group
* @param requireValidMetadata indicates whether the metadata for the group must be valid/current
- *
+ *
* @return the group's metadata or NULL if there is no metadata or no valid metadata
*/
virtual const EntitiesDescriptor* getEntitiesDescriptor(const XMLCh* name, bool requireValidMetadata=true) const;
* Gets the metadata for a given group of entities. If a valid group is returned,
* the resolver will be left in a locked state. The caller MUST unlock the
* resolver when finished with the group.
- *
+ *
* @param name the name of the group
* @param requireValidMetadata indicates whether the metadata for the group must be valid/current
- *
+ *
* @return the group's metadata or NULL if there is no metadata or no valid metadata
*/
virtual const EntitiesDescriptor* getEntitiesDescriptor(const char* name, bool requireValidMetadata=true) const=0;
*/
struct SAML_API Criteria {
/**
+ * Default constructor.
+ */
+ Criteria() : entityID_unicode(NULL), entityID_ascii(NULL), artifact(NULL), role(NULL), protocol(NULL), protocol2(NULL), validOnly(true) {
+ }
+
+ /**
* Constructor.
- *
+ *
* @param id entityID to lookup
* @param q element/type of role, if any
* @param prot protocol support constant, if any
Criteria(const XMLCh* id, const xmltooling::QName* q=NULL, const XMLCh* prot=NULL, bool valid=true)
: entityID_unicode(id), entityID_ascii(NULL), artifact(NULL), role(q), protocol(prot), protocol2(NULL), validOnly(valid) {
}
-
+
/**
* Constructor.
- *
+ *
* @param id entityID to lookup
* @param q element/type of role, if any
* @param prot protocol support constant, if any
/**
* Constructor.
- *
+ *
* @param a artifact to lookup
* @param q element/type of role, if any
* @param prot protocol support constant, if any
Criteria(const SAMLArtifact* a, const xmltooling::QName* q=NULL, const XMLCh* prot=NULL, bool valid=true)
: entityID_unicode(NULL), entityID_ascii(NULL), artifact(a), role(q), protocol(prot), protocol2(NULL), validOnly(valid) {
}
-
+
virtual ~Criteria() {}
-
+
+ /**
+ * Restores the object to its default state.
+ */
+ virtual void reset() {
+ entityID_unicode=NULL;
+ entityID_ascii=NULL;
+ artifact=NULL;
+ role=NULL;
+ protocol=NULL;
+ protocol2=NULL;
+ validOnly=true;
+ }
+
/** Unique ID of entity. */
const XMLCh* entityID_unicode;
/** Unique ID of entity. */
/** Controls whether stale metadata is ignored. */
bool validOnly;
};
-
+
/**
* Gets entity metadata based on supplied criteria. If a valid entity is returned,
* the provider will be left in a locked state. The caller MUST unlock the
* provider when finished with the entity.
- *
+ *
* @param criteria lookup criteria
- *
+ *
* @return the entity's metadata (and optionally a role) or NULL if there is no qualifying metadata
*/
virtual std::pair<const EntityDescriptor*,const RoleDescriptor*> getEntityDescriptor(const Criteria& criteria) const=0;
protected:
/**
* Applies any installed filters to a metadata instance.
- *
+ *
* @param xmlObject the metadata to be filtered
*/
void doFilters(xmltooling::XMLObject& xmlObject) const;
* Registers MetadataProvider classes into the runtime.
*/
void SAML_API registerMetadataProviders();
-
+
/** MetadataProvider based on local or remote XML file */
#define XML_METADATA_PROVIDER "XML"