EFA WS Trust Policy Provider

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K (Constraints and Extensions to the Request Message (RST))
(Constraints on RST ergänzt.)
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Within EFA the actors and transactions of the OASIS WS-Trust 1.3 standard are mapped onto EFA Policy Provider actors and operations as follows:
 
Within EFA the actors and transactions of the OASIS WS-Trust 1.3 standard are mapped onto EFA Policy Provider actors and operations as follows:
  
{|class="wikitable" style="text-align: left; cellpadding: 10;"
+
{|class="wikitable"
 
!Role
 
!Role
 
!EFA Policy Provider Service
 
!EFA Policy Provider Service
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The request message implements a SOAP message including a single RST element as specified in [WS-Trust 1.3] considering the following constraints and extensions:
 
The request message implements a SOAP message including a single RST element as specified in [WS-Trust 1.3] considering the following constraints and extensions:
  
{|class="wikitable" style="text-align: left; cellpadding: 10;"
+
{|class="wikitable"
 
!OASIS WS-Trust 1.3
 
!OASIS WS-Trust 1.3
 
!Optionality
 
!Optionality
 
!Constraints
 
!Constraints
|-
 
|/wst:RequestSecurityToken/@Context
 
|mandatory
 
|SHALL be used as defined in [WS-Trust 1.3]
 
 
|-
 
|-
 
|/wst:RequestSecurityToken/wst:TokenType
 
|/wst:RequestSecurityToken/wst:TokenType
 
|mandatory
 
|mandatory
|SHALL be <tt>http://fallakte.de/EFAv20/token-types/subjectAccessPolicy</tt>  
+
|SHALL be <tt>http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0</tt>  
 
|-
 
|-
 
|/wst:RequestSecurityToken/wst:RequestType
 
|/wst:RequestSecurityToken/wst:RequestType
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|SHALL be <tt>http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue</tt>
 
|SHALL be <tt>http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue</tt>
 
|-
 
|-
|/wst:RequestSecurityToken/wst: SecondaryParameters
+
|/wst:RequestSecurityToken/{any}
|permitted
 
|SHALL NOT be used
 
|-
 
|/wst:RequestSecurityToken/ecr:EcrRef
 
 
|mandatory
 
|mandatory
| ...
+
|
|-
+
SHALL contain values of the parameters ecrRef and consentInfo as XACML-Attribute.
|/wst:RequestSecurityToken/ecr:ConsentInfo
+
 
|optional
+
The value of ecrRef.purpose MUST be encoded with the [[ihecb:IHE-XACML_Binding#Code|IHE-XACML Binding for Folder.codeList]].
|...
 
|}
 
  
 +
The value of ecrRef.patientID MUST be encoded with the [[ihecb:IHE-XACML_Binding#Patient_ID_2|IHE-XACML Binding for Folder.patientId]].
  
 +
{{WorkBox|The binding for values of consentInfo is under reconciliation.}}
 +
|}
  
 
==== Example ====
 
==== Example ====
...
+
<syntaxhighlight lang="xml">
 +
<wst:RequestSecurityToken
 +
  xmlns:wst="http://schemas.xmlsoap.org/ws/2005/02/trust"
 +
  xmlns:xacml-context="urn:oasis:names:tc:xacml:2.0:context:schema:os"
 +
  xmlns:hl7="urn:hl7-org:v3">
 +
  <wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>
 +
  <wst:TokenType>http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0</wst:TokenType>
 +
  <xacml-context:Attribute
 +
    AttributeId="urn:ihe:iti:xds-b:2007:patient-id"
 +
    DataType="urn:hl7-org:v3#II">
 +
  <xacml-context:AttributeValue>
 +
    <hl7:InstanceIdentifier
 +
      extension="6578946"
 +
      root="1.3.6.1.4.1.21367.2005.3.7"/>
 +
  </xacml-context:AttributeValue>
 +
  </xacml-context:Attribute>
 +
  <xacml-context:Attribute
 +
    AttributeId="urn:oasis:names:tc:xacml:2.0:resource:resource-id"
 +
    DataType="http://www.w3.org/2001/XMLSchema#string">
 +
  <xacml-context:AttributeValue>1.3.6.1.4.1.21367.2005.3.7.3670984664</xacml-context:AttributeValue>
 +
  </xacml-context:Attribute>
 +
</wst:RequestSecurityToken>
 +
</syntaxhighlight>
  
 
=== Expected Actions ===
 
=== Expected Actions ===

Version vom 27. Oktober 2014, 14:38 Uhr

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EFA Policy Provider WS-Trust Binding

Bitte markieren Sie Kommentare zu diesem Abschnitt mit dem Code {EWuPo.01}

Within EFA the actors and transactions of the OASIS WS-Trust 1.3 standard are mapped onto EFA Policy Provider actors and operations as follows:

Role EFA Policy Provider Service OASIS WS-Trust 1.3
Actor EFA Context Manager Requestor
Actor EFA Policy Provider Security Token Service
Transaction requestPolicy RequestSecurityToken (RST)
RequestSecurityTokenResponse (RSTR)

EFA WS-Trust Binding: requestPolicy

Bitte markieren Sie Kommentare zu diesem Abschnitt mit dem Code {EWuPo.02}

A ECR consumer may use the "Policy Push" paradigm to forward the requestor's ECR access policy to an ECR business service. This requires the ECR consumer to send a request to the ECR Policy Provider service to issue and provide a policy that can be trusted and processed by other ECR services (even in case these services are located on a remote peer).

Such retrieval of an ECR access policy from an ECR provider's Policy Provider service is bound to the OASIS WS-Trust 1.3 RequestSecurityToken (RST) and RequestSecurityTokenResponse (RSTR) messages. This EFA binding introduces extensions and restrictions on the respective WS Trust 1.3 definitions.

Constraints and Extensions to the Request Message (RST)

Bitte markieren Sie Kommentare zu diesem Abschnitt mit dem Code {EWuPo.02.01}

The RequestSecurityToken message is issued by an ECR Context Manager actor for requesting a policy that allows the current user to access an identified ECR instance.

The request message implements a SOAP message including a single RST element as specified in [WS-Trust 1.3] considering the following constraints and extensions:

OASIS WS-Trust 1.3 Optionality Constraints
/wst:RequestSecurityToken/wst:TokenType mandatory SHALL be http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0
/wst:RequestSecurityToken/wst:RequestType mandatory SHALL be http://docs.oasis-open.org/ws-sx/ws-trust/200512/Issue
/wst:RequestSecurityToken/{any} mandatory

SHALL contain values of the parameters ecrRef and consentInfo as XACML-Attribute.

The value of ecrRef.purpose MUST be encoded with the IHE-XACML Binding for Folder.codeList.

The value of ecrRef.patientID MUST be encoded with the IHE-XACML Binding for Folder.patientId.

Example

<wst:RequestSecurityToken
  xmlns:wst="http://schemas.xmlsoap.org/ws/2005/02/trust"
  xmlns:xacml-context="urn:oasis:names:tc:xacml:2.0:context:schema:os"
  xmlns:hl7="urn:hl7-org:v3">
  <wst:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</wst:RequestType>
  <wst:TokenType>http://docs.oasis-open.org/wss/oasis-wss-saml-token-profile-1.1#SAMLV2.0</wst:TokenType>
  <xacml-context:Attribute
    AttributeId="urn:ihe:iti:xds-b:2007:patient-id"
    DataType="urn:hl7-org:v3#II">
  <xacml-context:AttributeValue>
    <hl7:InstanceIdentifier
      extension="6578946"
      root="1.3.6.1.4.1.21367.2005.3.7"/>
  </xacml-context:AttributeValue>
  </xacml-context:Attribute>
  <xacml-context:Attribute
    AttributeId="urn:oasis:names:tc:xacml:2.0:resource:resource-id"
    DataType="http://www.w3.org/2001/XMLSchema#string">
  <xacml-context:AttributeValue>1.3.6.1.4.1.21367.2005.3.7.3670984664</xacml-context:AttributeValue>
  </xacml-context:Attribute>
</wst:RequestSecurityToken>

Expected Actions

Bitte markieren Sie Kommentare zu diesem Abschnitt mit dem Code {EWuPo.02.02}

...

Response Message (Full Success Scenario)

Bitte markieren Sie Kommentare zu diesem Abschnitt mit dem Code {EWuPo.02.03}

If the EFA Policy Provider Service is able to decode the received message and to properly issue a policy it responds with an WS Trust 1.3 RequestSecurityTokenResponse message that carries a single ECR subjectAccessPolicy.

Response Message (Failure or Partial Failure Scenario)

Bitte markieren Sie Kommentare zu diesem Abschnitt mit dem Code {EWuPo.02.04}

If the EFA Policy Provider Service provider is able to decode the received message but fails to issue the requested policy, ...


Security Audit Considerations

Bitte markieren Sie Kommentare zu diesem Abschnitt mit dem Code {EWuPo.02.05}

See Security Considerations.

Querverweise und Referenzen