@animo-id/pex
Version:
A Typescript implementation of the v1 and v2 DIF Presentation Exchange specification
123 lines • 10.5 kB
JavaScript
import { ObjectValidationUtils } from '../../utils';
import { ConstraintsVB } from './constraintsVB';
import { ValidationBundler } from './validationBundler';
export class InputDescriptorsV1VB extends ValidationBundler {
idMustBeNonEmptyStringMsg = 'input descriptor id must be non-empty string';
nameShouldBeNonEmptyStringMsg = 'input descriptor name should be non-empty string';
purposeShouldBeNonEmptyStringMsg = 'input descriptor purpose should be non-empty string';
shouldHaveValidSchemaURIMsg = 'schema should have valid URI';
constructor(parentTag) {
super(parentTag, 'input_descriptor');
}
getValidations(inputDescriptors) {
let validations = [];
validations.push({
tag: this.getTag(),
target: inputDescriptors,
predicate: (inDescs) => this.shouldHaveUniqueIds(inDescs),
message: 'input descriptor ids must be unique',
}, {
tag: this.getTag(),
target: inputDescriptors,
predicate: (inDescs) => this.shouldHaveUniqueFieldsIds(inDescs),
message: 'fields id must be unique',
});
inputDescriptors.forEach((inputDescriptor, inDescInd) => {
validations = [
...validations,
...this.getValidationFor(inputDescriptor, inDescInd),
...this.constraintsValidations(inputDescriptor, inDescInd),
];
});
return validations;
}
getValidationFor(inputDescriptor, inDescInd) {
return [
{
tag: this.getMyTag(inDescInd),
target: inputDescriptor,
predicate: (inDesc) => ObjectValidationUtils.nonEmptyString(inDesc?.id),
message: this.idMustBeNonEmptyStringMsg,
},
{
tag: this.getMyTag(inDescInd),
target: inputDescriptor,
predicate: this.isValidSchema(),
message: this.shouldHaveValidSchemaURIMsg,
},
{
tag: this.getMyTag(inDescInd),
target: inputDescriptor,
predicate: (inDesc) => ObjectValidationUtils.optionalNonEmptyString(inDesc?.name),
message: this.nameShouldBeNonEmptyStringMsg,
},
{
tag: this.getMyTag(inDescInd),
target: inputDescriptor,
predicate: (inDesc) => ObjectValidationUtils.optionalNonEmptyString(inDesc?.purpose),
message: this.purposeShouldBeNonEmptyStringMsg,
},
];
}
shouldHaveUniqueFieldsIds(inputDescriptors) {
const nonUniqueInputDescriptorFieldsIds = [];
const uniqueInputDescriptorFieldsIds = new Set();
const tmp = [];
inputDescriptors
.map((e) => e.constraints?.fields)
.forEach((e) => {
if (e) {
tmp.push(...e);
}
});
tmp.forEach((e) => {
if (e.id) {
nonUniqueInputDescriptorFieldsIds.push(e.id);
}
});
nonUniqueInputDescriptorFieldsIds.forEach((id) => uniqueInputDescriptorFieldsIds.add(id));
return nonUniqueInputDescriptorFieldsIds.length === uniqueInputDescriptorFieldsIds.size;
}
shouldHaveUniqueIds(inputDescriptors) {
const nonUniqueInputDescriptorIds = [];
const uniqueInputDescriptorIds = new Set();
inputDescriptors.forEach((e) => nonUniqueInputDescriptorIds.push(e.id));
nonUniqueInputDescriptorIds.forEach((e) => uniqueInputDescriptorIds.add(e));
return nonUniqueInputDescriptorIds.length === uniqueInputDescriptorIds.size;
}
getMyTag(srInd) {
// TODO extract to make it generic
return this.parentTag + '.' + this.myTag + '[' + srInd + ']';
}
isValidSchema() {
// TODO extract to generic util or use built-in method
return (inDesc) => {
return (inDesc.schema.filter((schema) => this.isAValidURI(schema.uri) && (schema.required == null || typeof schema.required == 'boolean'))
.length > 0);
};
}
isAValidURI(uri) {
if (!uri) {
return false;
}
else if (!ObjectValidationUtils.nonEmptyString(uri)) {
return false;
}
if (uri.startsWith('http://') || uri.startsWith('https://')) {
try {
new URL(uri);
}
catch (err) {
return ObjectValidationUtils.isValidDIDURI(uri);
}
}
return true;
}
constraintsValidations(inputDescriptor, inDescInd) {
if (inputDescriptor.constraints) {
return new ConstraintsVB(this.getMyTag(inDescInd)).getValidations(inputDescriptor.constraints);
}
return [];
}
}
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