1 files changed, 191 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/PrivateKeyUsagePeriod.ts b/third_party/js/PKI.js/src/PrivateKeyUsagePeriod.ts
new file mode 100644
index 0000000000..f3aebd5045
--- /dev/null
+++ b/third_party/js/PKI.js/src/PrivateKeyUsagePeriod.ts
@@ -0,0 +1,191 @@
+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 = "notBefore";
+const NOT_AFTER = "notAfter";
+const CLEAR_PROPS = [
+  NOT_BEFORE,
+  NOT_AFTER
+];
+
+export interface IPrivateKeyUsagePeriod {
+  notBefore?: Date;
+  notAfter?: Date;
+}
+
+export interface PrivateKeyUsagePeriodJson {
+  notBefore?: Date;
+  notAfter?: Date;
+}
+
+export type PrivateKeyUsagePeriodParameters = PkiObjectParameters & Partial<IPrivateKeyUsagePeriod>;
+
+/**
+ * Represents the PrivateKeyUsagePeriod structure described in [RFC5280](https://datatracker.ietf.org/doc/html/rfc5280)
+ */
+export class PrivateKeyUsagePeriod extends PkiObject implements IPrivateKeyUsagePeriod {
+
+  public static override CLASS_NAME = "PrivateKeyUsagePeriod";
+
+  public notBefore?: Date;
+  public notAfter?: Date;
+
+  /**
+   * Initializes a new instance of the {@link PrivateKeyUsagePeriod} class
+   * @param parameters Initialization parameters
+   */
+  constructor(parameters: PrivateKeyUsagePeriodParameters = {}) {
+    super();
+
+    if (NOT_BEFORE in parameters) {
+      this.notBefore = pvutils.getParametersValue(parameters, NOT_BEFORE, PrivateKeyUsagePeriod.defaultValues(NOT_BEFORE));
+    }
+
+    if (NOT_AFTER in parameters) {
+      this.notAfter = pvutils.getParametersValue(parameters, NOT_AFTER, PrivateKeyUsagePeriod.defaultValues(NOT_AFTER));
+    }
+
+    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): Date;
+  public static override defaultValues(memberName: typeof NOT_AFTER): Date;
+  public static override defaultValues(memberName: string): any {
+    switch (memberName) {
+      case NOT_BEFORE:
+        return new Date();
+      case NOT_AFTER:
+        return new Date();
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * @inheritdoc
+   * @asn ASN.1 schema
+   * ```asn
+   * PrivateKeyUsagePeriod OID ::= 2.5.29.16
+   *
+   * PrivateKeyUsagePeriod ::= SEQUENCE {
+   *    notBefore       [0]     GeneralizedTime OPTIONAL,
+   *    notAfter        [1]     GeneralizedTime OPTIONAL }
+   * -- either notBefore or notAfter MUST be present
+   *```
+   */
+  public static override schema(parameters: Schema.SchemaParameters<{
+    notBefore?: string;
+    notAfter?: string;
+  }> = {}): Schema.SchemaType {
+    const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
+
+    return (new asn1js.Sequence({
+      name: (names.blockName || EMPTY_STRING),
+      value: [
+        new asn1js.Primitive({
+          name: (names.notBefore || EMPTY_STRING),
+          optional: true,
+          idBlock: {
+            tagClass: 3, // CONTEXT-SPECIFIC
+            tagNumber: 0 // [0]
+          }
+        }),
+        new asn1js.Primitive({
+          name: (names.notAfter || EMPTY_STRING),
+          optional: true,
+          idBlock: {
+            tagClass: 3, // CONTEXT-SPECIFIC
+            tagNumber: 1 // [1]
+          }
+        })
+      ]
+    }));
+  }
+
+  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,
+      PrivateKeyUsagePeriod.schema({
+        names: {
+          notBefore: NOT_BEFORE,
+          notAfter: NOT_AFTER
+        }
+      })
+    );
+    AsnError.assertSchema(asn1, this.className);
+
+    // Get internal properties from parsed schema
+    if (NOT_BEFORE in asn1.result) {
+      const localNotBefore = new asn1js.GeneralizedTime();
+      localNotBefore.fromBuffer(asn1.result.notBefore.valueBlock.valueHex);
+      this.notBefore = localNotBefore.toDate();
+    }
+    if (NOT_AFTER in asn1.result) {
+      const localNotAfter = new asn1js.GeneralizedTime({ valueHex: asn1.result.notAfter.valueBlock.valueHex });
+      localNotAfter.fromBuffer(asn1.result.notAfter.valueBlock.valueHex);
+      this.notAfter = localNotAfter.toDate();
+    }
+  }
+
+  public toSchema(): asn1js.Sequence {
+    //#region Create array for output sequence
+    const outputArray = [];
+
+    if (NOT_BEFORE in this) {
+      outputArray.push(new asn1js.Primitive({
+        idBlock: {
+          tagClass: 3, // CONTEXT-SPECIFIC
+          tagNumber: 0 // [0]
+        },
+        valueHex: (new asn1js.GeneralizedTime({ valueDate: this.notBefore })).valueBlock.valueHexView
+      }));
+    }
+
+    if (NOT_AFTER in this) {
+      outputArray.push(new asn1js.Primitive({
+        idBlock: {
+          tagClass: 3, // CONTEXT-SPECIFIC
+          tagNumber: 1 // [1]
+        },
+        valueHex: (new asn1js.GeneralizedTime({ valueDate: this.notAfter })).valueBlock.valueHexView
+      }));
+    }
+    //#endregion
+
+    //#region Construct and return new ASN.1 schema for this object
+    return (new asn1js.Sequence({
+      value: outputArray
+    }));
+    //#endregion
+  }
+
+  public toJSON(): PrivateKeyUsagePeriodJson {
+    const res: PrivateKeyUsagePeriodJson = {};
+
+    if (this.notBefore) {
+      res.notBefore = this.notBefore;
+    }
+
+    if (this.notAfter) {
+      res.notAfter = this.notAfter;
+    }
+
+    return res;
+  }
+
+}