1 files changed, 118 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/InfoAccess.ts b/third_party/js/PKI.js/src/InfoAccess.ts
new file mode 100644
index 0000000000..b844ad4577
--- /dev/null
+++ b/third_party/js/PKI.js/src/InfoAccess.ts
@@ -0,0 +1,118 @@
+import * as asn1js from "asn1js";
+import * as pvutils from "pvutils";
+import { AccessDescription, AccessDescriptionJson } from "./AccessDescription";
+import { EMPTY_STRING } from "./constants";
+import { AsnError } from "./errors";
+import { PkiObject, PkiObjectParameters } from "./PkiObject";
+import * as Schema from "./Schema";
+
+const ACCESS_DESCRIPTIONS = "accessDescriptions";
+
+export interface IInfoAccess {
+  accessDescriptions: AccessDescription[];
+}
+
+export interface InfoAccessJson {
+  accessDescriptions: AccessDescriptionJson[];
+}
+
+export type InfoAccessParameters = PkiObjectParameters & Partial<IInfoAccess>;
+
+/**
+ * Represents the InfoAccess structure described in [RFC5280](https://datatracker.ietf.org/doc/html/rfc5280)
+ */
+export class InfoAccess extends PkiObject implements IInfoAccess {
+
+  public static override CLASS_NAME = "InfoAccess";
+
+  public accessDescriptions!: AccessDescription[];
+
+  /**
+   * Initializes a new instance of the {@link InfoAccess} class
+   * @param parameters Initialization parameters
+   */
+  constructor(parameters: InfoAccessParameters = {}) {
+    super();
+
+    this.accessDescriptions = pvutils.getParametersValue(parameters, ACCESS_DESCRIPTIONS, InfoAccess.defaultValues(ACCESS_DESCRIPTIONS));
+
+    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 ACCESS_DESCRIPTIONS): AccessDescription[];
+  public static override defaultValues(memberName: string): any {
+    switch (memberName) {
+      case ACCESS_DESCRIPTIONS:
+        return [];
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * @inheritdoc
+   * @asn ASN.1 schema
+   * ```asn
+   * AuthorityInfoAccessSyntax  ::=
+   * SEQUENCE SIZE (1..MAX) OF AccessDescription
+   *```
+   */
+  public static override schema(parameters: Schema.SchemaParameters<{
+    accessDescriptions?: 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.Repeated({
+          name: (names.accessDescriptions || EMPTY_STRING),
+          value: AccessDescription.schema()
+        })
+      ]
+    }));
+  }
+
+  public fromSchema(schema: Schema.SchemaType): void {
+    // Clear input data first
+    pvutils.clearProps(schema, [
+      ACCESS_DESCRIPTIONS
+    ]);
+
+    // Check the schema is valid
+    const asn1 = asn1js.compareSchema(schema,
+      schema,
+      InfoAccess.schema({
+        names: {
+          accessDescriptions: ACCESS_DESCRIPTIONS
+        }
+      })
+    );
+    AsnError.assertSchema(asn1, this.className);
+
+    // Get internal properties from parsed schema
+    this.accessDescriptions = Array.from(asn1.result.accessDescriptions, element => new AccessDescription({ schema: element }));
+  }
+
+  public toSchema(): asn1js.Sequence {
+    // Construct and return new ASN.1 schema for this object
+    return (new asn1js.Sequence({
+      value: Array.from(this.accessDescriptions, o => o.toSchema())
+    }));
+  }
+
+  public toJSON(): InfoAccessJson {
+    return {
+      accessDescriptions: Array.from(this.accessDescriptions, o => o.toJSON())
+    };
+  }
+
+}
+