1 files changed, 202 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/RelativeDistinguishedNames.ts b/third_party/js/PKI.js/src/RelativeDistinguishedNames.ts
new file mode 100644
index 0000000000..9022cdb6d3
--- /dev/null
+++ b/third_party/js/PKI.js/src/RelativeDistinguishedNames.ts
@@ -0,0 +1,202 @@
+import * as asn1js from "asn1js";
+import * as pvutils from "pvutils";
+import { AttributeTypeAndValue, AttributeTypeAndValueJson } from "./AttributeTypeAndValue";
+import { EMPTY_BUFFER, EMPTY_STRING } from "./constants";
+import { AsnError } from "./errors";
+import { PkiObject, PkiObjectParameters } from "./PkiObject";
+import * as Schema from "./Schema";
+
+export const TYPE_AND_VALUES = "typesAndValues";
+export const VALUE_BEFORE_DECODE = "valueBeforeDecode";
+export const RDN = "RDN";
+
+export interface IRelativeDistinguishedNames {
+  /**
+   * Array of "type and value" objects
+   */
+  typesAndValues: AttributeTypeAndValue[];
+  /**
+   * Value of the RDN before decoding from schema
+   */
+  valueBeforeDecode: ArrayBuffer;
+}
+
+export type RelativeDistinguishedNamesParameters = PkiObjectParameters & Partial<IRelativeDistinguishedNames>;
+
+export type RelativeDistinguishedNamesSchema = Schema.SchemaParameters<{
+  repeatedSequence?: string;
+  repeatedSet?: string;
+  typeAndValue?: Schema.SchemaType;
+}>;
+
+export interface RelativeDistinguishedNamesJson {
+  typesAndValues: AttributeTypeAndValueJson[];
+}
+
+/**
+ * Represents the RelativeDistinguishedNames structure described in [RFC5280](https://datatracker.ietf.org/doc/html/rfc5280)
+ */
+export class RelativeDistinguishedNames extends PkiObject implements IRelativeDistinguishedNames {
+
+  public static override CLASS_NAME = "RelativeDistinguishedNames";
+
+  public typesAndValues!: AttributeTypeAndValue[];
+  public valueBeforeDecode!: ArrayBuffer;
+
+  /**
+   * Initializes a new instance of the {@link RelativeDistinguishedNames} class
+   * @param parameters Initialization parameters
+   */
+  constructor(parameters: RelativeDistinguishedNamesParameters = {}) {
+    super();
+
+    this.typesAndValues = pvutils.getParametersValue(parameters, TYPE_AND_VALUES, RelativeDistinguishedNames.defaultValues(TYPE_AND_VALUES));
+    this.valueBeforeDecode = pvutils.getParametersValue(parameters, VALUE_BEFORE_DECODE, RelativeDistinguishedNames.defaultValues(VALUE_BEFORE_DECODE));
+
+    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 TYPE_AND_VALUES): AttributeTypeAndValue[];
+  public static override defaultValues(memberName: typeof VALUE_BEFORE_DECODE): ArrayBuffer;
+  public static override defaultValues(memberName: string): any {
+    switch (memberName) {
+      case TYPE_AND_VALUES:
+        return [];
+      case VALUE_BEFORE_DECODE:
+        return EMPTY_BUFFER;
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * Compares 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 TYPE_AND_VALUES:
+        return (memberValue.length === 0);
+      case VALUE_BEFORE_DECODE:
+        return (memberValue.byteLength === 0);
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * @inheritdoc
+   * @asn ASN.1 schema
+   * ```asn
+   * RDNSequence ::= Sequence OF RelativeDistinguishedName
+   *
+   * RelativeDistinguishedName ::=
+   * SET SIZE (1..MAX) OF AttributeTypeAndValue
+   *```
+   */
+  static override schema(parameters: RelativeDistinguishedNamesSchema = {}): 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.repeatedSequence || EMPTY_STRING),
+          value: new asn1js.Set({
+            value: [
+              new asn1js.Repeated({
+                name: (names.repeatedSet || EMPTY_STRING),
+                value: AttributeTypeAndValue.schema(names.typeAndValue || {})
+              })
+            ]
+          } as any)
+        } as any)
+      ]
+    } as any));
+  }
+
+  public fromSchema(schema: Schema.SchemaType): void {
+    // Clear input data first
+    pvutils.clearProps(schema, [
+      RDN,
+      TYPE_AND_VALUES
+    ]);
+
+    // Check the schema is valid
+    const asn1 = asn1js.compareSchema(schema,
+      schema,
+      RelativeDistinguishedNames.schema({
+        names: {
+          blockName: RDN,
+          repeatedSet: TYPE_AND_VALUES
+        }
+      })
+    );
+    AsnError.assertSchema(asn1, this.className);
+
+    // Get internal properties from parsed schema
+    if (TYPE_AND_VALUES in asn1.result) {// Could be a case when there is no "types and values"
+      this.typesAndValues = Array.from(asn1.result.typesAndValues, element => new AttributeTypeAndValue({ schema: element }));
+    }
+
+    this.valueBeforeDecode = (asn1.result.RDN as asn1js.BaseBlock).valueBeforeDecodeView.slice().buffer;
+  }
+
+  public toSchema(): asn1js.Sequence {
+    if (this.valueBeforeDecode.byteLength === 0) // No stored encoded array, create "from scratch"
+    {
+      return (new asn1js.Sequence({
+        value: [new asn1js.Set({
+          value: Array.from(this.typesAndValues, o => o.toSchema())
+        } as any)]
+      } as any));
+    }
+
+    const asn1 = asn1js.fromBER(this.valueBeforeDecode);
+    AsnError.assert(asn1, "RelativeDistinguishedNames");
+    if (!(asn1.result instanceof asn1js.Sequence)) {
+      throw new Error("ASN.1 result should be SEQUENCE");
+    }
+
+    return asn1.result;
+  }
+
+  public toJSON(): RelativeDistinguishedNamesJson {
+    return {
+      typesAndValues: Array.from(this.typesAndValues, o => o.toJSON())
+    };
+  }
+
+  /**
+   * Compares two RDN values, or RDN with ArrayBuffer value
+   * @param compareTo The value compare to current
+   */
+  public isEqual(compareTo: unknown): boolean {
+    if (compareTo instanceof RelativeDistinguishedNames) {
+      if (this.typesAndValues.length !== compareTo.typesAndValues.length)
+        return false;
+
+      for (const [index, typeAndValue] of this.typesAndValues.entries()) {
+        if (typeAndValue.isEqual(compareTo.typesAndValues[index]) === false)
+          return false;
+      }
+
+      return true;
+    }
+
+    if (compareTo instanceof ArrayBuffer) {
+      return pvutils.isEqualBuffer(this.valueBeforeDecode, compareTo);
+    }
+
+    return false;
+  }
+
+}