137 lines
5.4 KiB
JavaScript
137 lines
5.4 KiB
JavaScript
import * as asn1js from "asn1js";
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import { AsnPropTypes } from "./enums";
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import { OctetString } from "./types/index";
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export const AsnAnyConverter = {
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fromASN: (value) => value instanceof asn1js.Null ? null : value.valueBeforeDecodeView,
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toASN: (value) => {
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if (value === null) {
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return new asn1js.Null();
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}
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const schema = asn1js.fromBER(value);
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if (schema.result.error) {
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throw new Error(schema.result.error);
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}
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return schema.result;
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},
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};
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export const AsnIntegerConverter = {
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fromASN: (value) => value.valueBlock.valueHexView.byteLength >= 4
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? value.valueBlock.toString()
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: value.valueBlock.valueDec,
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toASN: (value) => new asn1js.Integer({ value: +value }),
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};
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export const AsnEnumeratedConverter = {
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fromASN: (value) => value.valueBlock.valueDec,
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toASN: (value) => new asn1js.Enumerated({ value }),
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};
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export const AsnIntegerArrayBufferConverter = {
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fromASN: (value) => value.valueBlock.valueHexView,
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toASN: (value) => new asn1js.Integer({ valueHex: value }),
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};
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export const AsnIntegerBigIntConverter = {
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fromASN: (value) => value.toBigInt(),
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toASN: (value) => asn1js.Integer.fromBigInt(value),
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};
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export const AsnBitStringConverter = {
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fromASN: (value) => value.valueBlock.valueHexView,
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toASN: (value) => new asn1js.BitString({ valueHex: value }),
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};
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export const AsnObjectIdentifierConverter = {
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fromASN: (value) => value.valueBlock.toString(),
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toASN: (value) => new asn1js.ObjectIdentifier({ value }),
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};
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export const AsnBooleanConverter = {
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fromASN: (value) => value.valueBlock.value,
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toASN: (value) => new asn1js.Boolean({ value }),
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};
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export const AsnOctetStringConverter = {
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fromASN: (value) => value.valueBlock.valueHexView,
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toASN: (value) => new asn1js.OctetString({ valueHex: value }),
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};
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export const AsnConstructedOctetStringConverter = {
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fromASN: (value) => new OctetString(value.getValue()),
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toASN: (value) => value.toASN(),
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};
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function createStringConverter(Asn1Type) {
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return {
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fromASN: (value) => value.valueBlock.value,
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toASN: (value) => new Asn1Type({ value }),
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};
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}
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export const AsnUtf8StringConverter = createStringConverter(asn1js.Utf8String);
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export const AsnBmpStringConverter = createStringConverter(asn1js.BmpString);
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export const AsnUniversalStringConverter = createStringConverter(asn1js.UniversalString);
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export const AsnNumericStringConverter = createStringConverter(asn1js.NumericString);
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export const AsnPrintableStringConverter = createStringConverter(asn1js.PrintableString);
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export const AsnTeletexStringConverter = createStringConverter(asn1js.TeletexString);
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export const AsnVideotexStringConverter = createStringConverter(asn1js.VideotexString);
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export const AsnIA5StringConverter = createStringConverter(asn1js.IA5String);
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export const AsnGraphicStringConverter = createStringConverter(asn1js.GraphicString);
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export const AsnVisibleStringConverter = createStringConverter(asn1js.VisibleString);
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export const AsnGeneralStringConverter = createStringConverter(asn1js.GeneralString);
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export const AsnCharacterStringConverter = createStringConverter(asn1js.CharacterString);
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export const AsnUTCTimeConverter = {
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fromASN: (value) => value.toDate(),
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toASN: (value) => new asn1js.UTCTime({ valueDate: value }),
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};
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export const AsnGeneralizedTimeConverter = {
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fromASN: (value) => value.toDate(),
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toASN: (value) => new asn1js.GeneralizedTime({ valueDate: value }),
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};
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export const AsnNullConverter = {
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fromASN: () => null,
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toASN: () => {
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return new asn1js.Null();
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},
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};
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export function defaultConverter(type) {
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switch (type) {
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case AsnPropTypes.Any:
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return AsnAnyConverter;
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case AsnPropTypes.BitString:
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return AsnBitStringConverter;
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case AsnPropTypes.BmpString:
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return AsnBmpStringConverter;
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case AsnPropTypes.Boolean:
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return AsnBooleanConverter;
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case AsnPropTypes.CharacterString:
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return AsnCharacterStringConverter;
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case AsnPropTypes.Enumerated:
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return AsnEnumeratedConverter;
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case AsnPropTypes.GeneralString:
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return AsnGeneralStringConverter;
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case AsnPropTypes.GeneralizedTime:
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return AsnGeneralizedTimeConverter;
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case AsnPropTypes.GraphicString:
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return AsnGraphicStringConverter;
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case AsnPropTypes.IA5String:
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return AsnIA5StringConverter;
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case AsnPropTypes.Integer:
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return AsnIntegerConverter;
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case AsnPropTypes.Null:
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return AsnNullConverter;
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case AsnPropTypes.NumericString:
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return AsnNumericStringConverter;
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case AsnPropTypes.ObjectIdentifier:
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return AsnObjectIdentifierConverter;
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case AsnPropTypes.OctetString:
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return AsnOctetStringConverter;
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case AsnPropTypes.PrintableString:
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return AsnPrintableStringConverter;
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case AsnPropTypes.TeletexString:
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return AsnTeletexStringConverter;
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case AsnPropTypes.UTCTime:
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return AsnUTCTimeConverter;
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case AsnPropTypes.UniversalString:
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return AsnUniversalStringConverter;
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case AsnPropTypes.Utf8String:
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return AsnUtf8StringConverter;
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case AsnPropTypes.VideotexString:
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return AsnVideotexStringConverter;
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case AsnPropTypes.VisibleString:
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return AsnVisibleStringConverter;
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default:
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return null;
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}
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}
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