@sphereon/pex
Version:
A Typescript implementation of the v1 and v2 DIF Presentation Exchange specification
116 lines • 10.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PEXv1 = void 0;
const ssi_types_1 = require("@sphereon/ssi-types");
const PEX_1 = require("./PEX");
const evaluation_1 = require("./evaluation");
const signing_1 = require("./signing");
const types_1 = require("./types");
const validation_1 = require("./validation");
/**
* This is the main interfacing class for using this library for v1 of presentation exchange
*/
class PEXv1 extends PEX_1.PEX {
/***
* The evaluatePresentationV1 compares what is expected from a presentation with a presentationDefinitionV1.
*
* @param presentationDefinition the definition of what is expected in the presentation.
* @param presentation the presentation which has to be evaluated in comparison of the definition.
* @param opts - limitDisclosureSignatureSuites the credential signature suites that support limit disclosure
*
* @return the evaluation results specify what was expected and was fulfilled and also specifies which requirements described in the input descriptors
* were not fulfilled by the presentation.
*/
evaluatePresentation(presentationDefinition, presentation, opts) {
types_1.SSITypesBuilder.modelEntityToInternalPresentationDefinitionV1(presentationDefinition); // only doing validation
return super.evaluatePresentation(presentationDefinition, presentation, opts);
}
/***
* To evaluate compares what is expected from a verifiableCredentials with the presentationDefinition.
*
* @param presentationDefinition the v1 definition of what is expected in the presentation.
* @param verifiableCredentials the verifiable credentials which are candidates to fulfill requirements defined in the presentationDefinition param.
* @param opts - holderDIDs the list of the DIDs that the wallet holders controlls.
* limitDisclosureSignatureSuites the credential signature suites that support limit disclosure
*
* @return the evaluation results specify what was expected and was fulfilled and also specifies which requirements described in the input descriptors
* were not fulfilled by the verifiable credentials.
*/
evaluateCredentials(presentationDefinition, verifiableCredentials, opts) {
types_1.SSITypesBuilder.modelEntityToInternalPresentationDefinitionV1(presentationDefinition); // only doing validation
return super.evaluateCredentials(presentationDefinition, verifiableCredentials, opts);
}
/**
* The selectFrom method is a helper function that helps filter out the verifiable credentials which can not be selected and returns
* the selectable credentials.
*
* @param presentationDefinition the v1 definition of what is expected in the presentation.
* @param verifiableCredentials verifiable credentials are the credentials from wallet provided to the library to find selectable credentials.
* @param opts - holderDIDs the decentralized identity of the wallet holderDID. This is used to identify the credentials issued to the holderDID of wallet.
* limitDisclosureSignatureSuites the credential signature suites that support limit disclosure
*
* @return the selectable credentials.
*/
selectFrom(presentationDefinition, verifiableCredentials, opts) {
const verifiableCredentialCopy = JSON.parse(JSON.stringify(verifiableCredentials));
this._evaluationClientWrapper = new evaluation_1.EvaluationClientWrapper();
return this._evaluationClientWrapper.selectFrom(types_1.SSITypesBuilder.modelEntityToInternalPresentationDefinitionV1(presentationDefinition), types_1.SSITypesBuilder.mapExternalVerifiableCredentialsToWrappedVcs(verifiableCredentialCopy), opts);
}
/**
* This method helps create a submittablePresentation. A submittablePresentation after signing becomes a Presentation. And can be sent to
* the verifier after signing it.
*
* IMPORTANT NOTE: this method creates a presentation object based on the SELECTED verifiable credentials. You can get the selected verifiable credentials using selectFrom method
*
* @param presentationDefinition the v1 definition of what is expected in the presentation.
* @param selectedCredentials the credentials which were declared selectable by getSelectableCredentials and then chosen by the intelligent-user
* (e.g. human).
* @param opts - holderDID optional; the decentralized identity of the wallet holderDID. This is used to identify the holderDID of the presentation.
*
* @return the presentation.
*/
presentationFrom(presentationDefinition, selectedCredentials, opts) {
var _a;
const presentationSubmission = this._evaluationClientWrapper.submissionFrom(types_1.SSITypesBuilder.modelEntityToInternalPresentationDefinitionV1(presentationDefinition), types_1.SSITypesBuilder.mapExternalVerifiableCredentialsToWrappedVcs(selectedCredentials), opts);
const hasSdJwtCredentials = selectedCredentials.some((c) => ssi_types_1.CredentialMapper.isSdJwtDecodedCredential(c) || ssi_types_1.CredentialMapper.isSdJwtEncoded(c));
// We could include it in the KB-JWT? Not sure if we want that
if ((opts === null || opts === void 0 ? void 0 : opts.presentationSubmissionLocation) === signing_1.PresentationSubmissionLocation.PRESENTATION && hasSdJwtCredentials) {
throw new Error('Presentation submission location cannot be set to presentation when creating a presentation with an SD-JWT VC');
}
const presentationSubmissionLocation = (_a = opts === null || opts === void 0 ? void 0 : opts.presentationSubmissionLocation) !== null && _a !== void 0 ? _a : (hasSdJwtCredentials ? signing_1.PresentationSubmissionLocation.EXTERNAL : signing_1.PresentationSubmissionLocation.PRESENTATION);
const presentations = this.constructPresentations(selectedCredentials, Object.assign(Object.assign({}, opts), { presentationSubmission: presentationSubmissionLocation === signing_1.PresentationSubmissionLocation.PRESENTATION ? presentationSubmission : undefined }));
return {
presentations,
presentationSubmissionLocation,
presentationSubmission,
};
}
/**
* This method validates whether an object is usable as a presentation definition or not.
*
* @param presentationDefinitionV1 the object to be validated.
*
* @return the validation results to reveal what is acceptable/unacceptable about the passed object to be considered a valid presentation definition
*/
static validateDefinition(presentationDefinitionV1) {
const pd = types_1.SSITypesBuilder.modelEntityToInternalPresentationDefinitionV1(presentationDefinitionV1);
return new validation_1.ValidationEngine().validate([
{
bundler: new validation_1.PresentationDefinitionV1VB('root'),
target: pd,
},
]);
}
/**
* This method validates whether an object is usable as a presentation submission or not.
*
* @param presentationSubmission the object to be validated.
*
* @return the validation results to reveal what is acceptable/unacceptable about the passed object to be considered a valid presentation submission
*/
static validateSubmission(presentationSubmission) {
return PEX_1.PEX.validateSubmission(presentationSubmission);
}
}
exports.PEXv1 = PEXv1;
//# sourceMappingURL=data:application/json;base64,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