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Merge pull request #6 from wistefan/ngsi-ld
add some basic ngsi-ld support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package ngsild.leftOperand | ||
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| import rego.v1 | ||
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| # helper method to retrieve the type from the path | ||
| type_from_path(path) := tfe if { | ||
| path_without_query := split(path, "?")[0] | ||
| path_elements := split(path_without_query, "/") | ||
| id_elements := split(path_elements[count(path_elements) - 1], ":") | ||
| tfe = id_elements[2] | ||
| } else := tfq if { | ||
| query := split(path, "?")[1] | ||
| query_parts := split(query, "&") | ||
| type_query := [query_part | some query_part in query_parts; contains(query_part, "type=")] | ||
| tfq = split(type_query[0], "=")[1] | ||
| } | ||
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| # helper to retrieve the type from the body | ||
| type_from_body(body) := body.type | ||
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| ## ngsi-ld:entityType | ||
| # retrieves the type from an entity, either from the request path or from the body | ||
| entity_type(http_part) := tfp if { | ||
| tfp = type_from_path(http_part.path) | ||
| } else := tfb if { | ||
| tfb = type_from_body(http_part.body) | ||
| } | ||
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| ## ngsi-ld:<property> | ||
| # retrieves the value of the property, only applies to properties of type "Property". The method should be concretized in the mapping.json, to match a concrete property. | ||
| # F.e.: ngsi-ld:brandName = property_value("brandName", http_part.body) | ||
| property_value(property_name, body) := body[property_name].value | ||
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| ## ngsi-ld:<property>_observedAt | ||
| # retrieves the observedAt of the property The method should be concretized in the mapping.json, to match a concrete property. | ||
| # F.e.: ngsi-ld:brandName_observedAt = property_value("brandName", http_part.body) | ||
| property_observed_at(property_name,body) := body[property_name].observedAt | ||
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| ## ngsi-ld:<property>_modifiedAt | ||
| # retrieves the modifiedAt of the property The method should be concretized in the mapping.json, to match a concrete property. | ||
| # F.e.: ngsi-ld:brandName_modifiedAt= property_value("brandName", http_part.body) | ||
| property_observed_at(property_name,body) := body[property_name].modifiedAt | ||
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| ## ngsi-ld:<relationship> | ||
| # retrieves the object of the relationship, only applies to properties of type "Relationship". The method should be concretized in the mapping.json, to match a concrete property. | ||
| # F.e.: ngsi-ld:owningCompany = relationship_object("owningCompany", http_part.body) | ||
| relationship_object(relationship_name, body):= body[relationship_name].object | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| package vc.leftOperand | ||
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| import rego.v1 | ||
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| ## vc:role | ||
| # retrieves the roles from the credential, that target the current organization | ||
| role(verifiable_credential,organization_id) := r if { | ||
| roles := verifiable_credential.credentialSubject.roles | ||
| role := [rad | some rad in roles; rad.target = organization_id ] | ||
| r = role[_].names; trace(organization_id) | ||
| } | ||
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| ## vc:currentParty | ||
| # the current (organization)party, | ||
| current_party(credential) := credential.issuer |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| { | ||
| "@context": { | ||
| "dc": "http://purl.org/dc/elements/1.1/", | ||
| "dct": "http://purl.org/dc/terms/", | ||
| "owl": "http://www.w3.org/2002/07/owl#", | ||
| "odrl": "http://www.w3.org/ns/odrl/2/", | ||
| "rdfs": "http://www.w3.org/2000/01/rdf-schema#", | ||
| "skos": "http://www.w3.org/2004/02/skos/core#" | ||
| }, | ||
| "@id": "https://mp-operation.org/policy/common/type", | ||
| "@type": "odrl:Policy", | ||
| "odrl:permission": { | ||
| "odrl:assigner": { | ||
| "@id": "https://www.mp-operation.org/" | ||
| }, | ||
| "odrl:target": { | ||
| "@type": "odrl:AssetCollection", | ||
| "odrl:source": "urn:asset", | ||
| "odrl:refinement": [ | ||
| { | ||
| "@type": "odrl:Constraint", | ||
| "odrl:leftOperand": { | ||
| "@id": "ngsi-ld:entityType" | ||
| }, | ||
| "odrl:operator": { | ||
| "@id": "odrl:eq" | ||
| }, | ||
| "odrl:rightOperand": "Marketplace" | ||
| } | ||
| ] | ||
| }, | ||
| "odrl:assignee": { | ||
| "@id": "odrl:any" | ||
| }, | ||
| "odrl:action": { | ||
| "@id": "dome-op:read" | ||
| } | ||
| } | ||
| } |