import * as asn1js from "asn1js"; import * as pvutils from "pvutils"; import { EMPTY_STRING } from "./constants"; import { AsnError } from "./errors"; import { id_ContentType_Data, id_ContentType_EncryptedData, id_ContentType_EnvelopedData, id_ContentType_SignedData } from "./ObjectIdentifiers"; import { PkiObject, PkiObjectParameters } from "./PkiObject"; import * as Schema from "./Schema";
if (("optional" in names) === false) {
names.optional = false;
}
return (new asn1js.Sequence({
name: (names.blockName || "ContentInfo"),
optional: names.optional,
value: [ new asn1js.ObjectIdentifier({ name: (names.contentType || CONTENT_TYPE) }), new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0// [0]
},
value: [new asn1js.Any({ name: (names.content || CONTENT) })] // EXPLICIT ANY value
})
]
}));
}
public fromSchema(schema: Schema.SchemaType): void { // Clear input data first
pvutils.clearProps(schema, CLEAR_PROPS);
// Check the schema is valid const asn1 = asn1js.compareSchema(schema,
schema,
ContentInfo.schema()
);
AsnError.assertSchema(asn1, this.className);
// Get internal properties from parsed schema this.contentType = asn1.result.contentType.valueBlock.toString(); this.content = asn1.result.content;
}
public toSchema(): asn1js.Sequence { //#region Construct and return new ASN.1 schema for this object
return (new asn1js.Sequence({
value: [ new asn1js.ObjectIdentifier({ value: this.contentType }), new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0// [0]
},
value: [this.content] // EXPLICIT ANY value
})
]
})); //#endregion
}
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