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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/js/PKI.js/src/DigestInfo.ts | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/js/PKI.js/src/DigestInfo.ts')
-rw-r--r-- | third_party/js/PKI.js/src/DigestInfo.ts | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/DigestInfo.ts b/third_party/js/PKI.js/src/DigestInfo.ts new file mode 100644 index 0000000000..232276b68d --- /dev/null +++ b/third_party/js/PKI.js/src/DigestInfo.ts @@ -0,0 +1,162 @@ +import * as asn1js from "asn1js"; +import * as pvutils from "pvutils"; +import { AlgorithmIdentifier, AlgorithmIdentifierJson, AlgorithmIdentifierSchema } from "./AlgorithmIdentifier"; +import { EMPTY_STRING } from "./constants"; +import { AsnError } from "./errors"; +import { PkiObject, PkiObjectParameters } from "./PkiObject"; +import * as Schema from "./Schema"; + +const DIGEST_ALGORITHM = "digestAlgorithm"; +const DIGEST = "digest"; +const CLEAR_PROPS = [ + DIGEST_ALGORITHM, + DIGEST +]; + +export interface IDigestInfo { + digestAlgorithm: AlgorithmIdentifier; + digest: asn1js.OctetString; +} + +export interface DigestInfoJson { + digestAlgorithm: AlgorithmIdentifierJson; + digest: asn1js.OctetStringJson; +} + +export type DigestInfoParameters = PkiObjectParameters & Partial<IDigestInfo>; + +export type DigestInfoSchema = Schema.SchemaParameters<{ + digestAlgorithm?: AlgorithmIdentifierSchema; + digest?: string; +}>; + +/** + * Represents the DigestInfo structure described in [RFC3447](https://datatracker.ietf.org/doc/html/rfc3447) + */ +export class DigestInfo extends PkiObject implements IDigestInfo { + + public static override CLASS_NAME = "DigestInfo"; + + public digestAlgorithm!: AlgorithmIdentifier; + public digest!: asn1js.OctetString; + + /** + * Initializes a new instance of the {@link DigestInfo} class + * @param parameters Initialization parameters + */ + constructor(parameters: DigestInfoParameters = {}) { + super(); + + this.digestAlgorithm = pvutils.getParametersValue(parameters, DIGEST_ALGORITHM, DigestInfo.defaultValues(DIGEST_ALGORITHM)); + this.digest = pvutils.getParametersValue(parameters, DIGEST, DigestInfo.defaultValues(DIGEST)); + + if (parameters.schema) { + this.fromSchema(parameters.schema); + } + } + + /** + * Returns default values for all class members + * @param memberName String name for a class member + * @returns Default value + */ + public static override defaultValues(memberName: typeof DIGEST_ALGORITHM): AlgorithmIdentifier; + public static override defaultValues(memberName: typeof DIGEST): asn1js.OctetString; + public static override defaultValues(memberName: string): any { + switch (memberName) { + case DIGEST_ALGORITHM: + return new AlgorithmIdentifier(); + case DIGEST: + return new asn1js.OctetString(); + default: + return super.defaultValues(memberName); + } + } + + /** + * Compare values with default values for all class members + * @param memberName String name for a class member + * @param memberValue Value to compare with default value + */ + public static compareWithDefault(memberName: string, memberValue: any): boolean { + switch (memberName) { + case DIGEST_ALGORITHM: + return ((AlgorithmIdentifier.compareWithDefault("algorithmId", memberValue.algorithmId)) && + (("algorithmParams" in memberValue) === false)); + case DIGEST: + return (memberValue.isEqual(DigestInfo.defaultValues(memberName))); + default: + return super.defaultValues(memberName); + } + } + + /** + * @inheritdoc + * @asn ASN.1 schema + * ```asn + * DigestInfo ::= SEQUENCE { + * digestAlgorithm DigestAlgorithmIdentifier, + * digest Digest } + * + * Digest ::= OCTET STRING + *``` + */ + public static override schema(parameters: DigestInfoSchema = {}): Schema.SchemaType { + const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {}); + + return (new asn1js.Sequence({ + name: (names.blockName || EMPTY_STRING), + value: [ + AlgorithmIdentifier.schema(names.digestAlgorithm || { + names: { + blockName: DIGEST_ALGORITHM + } + }), + new asn1js.OctetString({ name: (names.digest || DIGEST) }) + ] + })); + } + + 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, + DigestInfo.schema({ + names: { + digestAlgorithm: { + names: { + blockName: DIGEST_ALGORITHM + } + }, + digest: DIGEST + } + }) + ); + AsnError.assertSchema(asn1, this.className); + + // Get internal properties from parsed schema + this.digestAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.digestAlgorithm }); + this.digest = asn1.result.digest; + } + + public toSchema(): asn1js.Sequence { + // Construct and return new ASN.1 schema for this object + return (new asn1js.Sequence({ + value: [ + this.digestAlgorithm.toSchema(), + this.digest + ] + })); + } + + public toJSON(): DigestInfoJson { + return { + digestAlgorithm: this.digestAlgorithm.toJSON(), + digest: this.digest.toJSON(), + }; + } + +} |