1 files changed, 134 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/AttributeCertificateV1/AttCertValidityPeriod.ts b/third_party/js/PKI.js/src/AttributeCertificateV1/AttCertValidityPeriod.ts
new file mode 100644
index 0000000000..670aaad873
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+++ b/third_party/js/PKI.js/src/AttributeCertificateV1/AttCertValidityPeriod.ts
@@ -0,0 +1,134 @@
+import * as asn1js from "asn1js";
+import * as pvutils from "pvutils";
+import { EMPTY_STRING } from "../constants";
+import { AsnError } from "../errors";
+import { PkiObject, PkiObjectParameters } from "../PkiObject";
+import * as Schema from "../Schema";
+
+const NOT_BEFORE_TIME = "notBeforeTime";
+const NOT_AFTER_TIME = "notAfterTime";
+const CLEAR_PROPS = [
+  NOT_BEFORE_TIME,
+  NOT_AFTER_TIME,
+];
+
+export interface IAttCertValidityPeriod {
+  notBeforeTime: Date;
+  notAfterTime: Date;
+}
+
+export type AttCertValidityPeriodParameters = PkiObjectParameters & Partial<IAttCertValidityPeriod>;
+
+export type AttCertValidityPeriodSchema = Schema.SchemaParameters<{
+  notBeforeTime?: string;
+  notAfterTime?: string;
+}>;
+
+export interface AttCertValidityPeriodJson {
+  notBeforeTime: Date;
+  notAfterTime: Date;
+}
+
+/**
+ * Represents the AttCertValidityPeriod structure described in [RFC5755 Section 4.1](https://datatracker.ietf.org/doc/html/rfc5755#section-4.1)
+ */
+export class AttCertValidityPeriod extends PkiObject implements IAttCertValidityPeriod {
+
+  public static override CLASS_NAME = "AttCertValidityPeriod";
+
+  public notBeforeTime!: Date;
+  public notAfterTime!: Date;
+
+  /**
+   * Initializes a new instance of the {@link AttCertValidityPeriod} class
+   * @param parameters Initialization parameters
+   */
+  constructor(parameters: AttCertValidityPeriodParameters = {}) {
+    super();
+
+    this.notBeforeTime = pvutils.getParametersValue(parameters, NOT_BEFORE_TIME, AttCertValidityPeriod.defaultValues(NOT_BEFORE_TIME));
+    this.notAfterTime = pvutils.getParametersValue(parameters, NOT_AFTER_TIME, AttCertValidityPeriod.defaultValues(NOT_AFTER_TIME));
+
+    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 NOT_BEFORE_TIME): Date;
+  public static override defaultValues(memberName: typeof NOT_AFTER_TIME): Date;
+  public static override defaultValues(memberName: string): any {
+    switch (memberName) {
+      case NOT_BEFORE_TIME:
+      case NOT_AFTER_TIME:
+        return new Date(0, 0, 0);
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * @inheritdoc
+   * @asn ASN.1 schema
+   * ```asn
+   * AttCertValidityPeriod ::= SEQUENCE {
+   *   notBeforeTime  GeneralizedTime,
+   *   notAfterTime   GeneralizedTime
+   * }
+   *```
+   */
+  public static override schema(parameters: AttCertValidityPeriodSchema = {}): Schema.SchemaType {
+    const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
+
+    return (new asn1js.Sequence({
+      name: (names.blockName || EMPTY_STRING),
+      value: [
+        new asn1js.GeneralizedTime({ name: (names.notBeforeTime || EMPTY_STRING) }),
+        new asn1js.GeneralizedTime({ name: (names.notAfterTime || EMPTY_STRING) })
+      ]
+    }));
+  }
+
+  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,
+      AttCertValidityPeriod.schema({
+        names: {
+          notBeforeTime: NOT_BEFORE_TIME,
+          notAfterTime: NOT_AFTER_TIME
+        }
+      })
+    );
+    AsnError.assertSchema(asn1, this.className);
+
+    // Get internal properties from parsed schema
+    this.notBeforeTime = asn1.result.notBeforeTime.toDate();
+    this.notAfterTime = asn1.result.notAfterTime.toDate();
+  }
+
+  public toSchema(): asn1js.Sequence {
+    // Construct and return new ASN.1 schema for this object
+    return (new asn1js.Sequence({
+      value: [
+        new asn1js.GeneralizedTime({ valueDate: this.notBeforeTime }),
+        new asn1js.GeneralizedTime({ valueDate: this.notAfterTime }),
+      ]
+    }));
+  }
+
+  public toJSON(): AttCertValidityPeriodJson {
+    return {
+      notBeforeTime: this.notBeforeTime,
+      notAfterTime: this.notAfterTime
+    };
+  }
+
+}