1 files changed, 240 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/GeneralSubtree.ts b/third_party/js/PKI.js/src/GeneralSubtree.ts
new file mode 100644
index 0000000000..15f1c1f860
--- /dev/null
+++ b/third_party/js/PKI.js/src/GeneralSubtree.ts
@@ -0,0 +1,240 @@
+import * as asn1js from "asn1js";
+import * as pvutils from "pvutils";
+import { EMPTY_STRING } from "./constants";
+import { AsnError } from "./errors";
+import { GeneralName, GeneralNameJson, GeneralNameSchema } from "./GeneralName";
+import { PkiObject, PkiObjectParameters } from "./PkiObject";
+import * as Schema from "./Schema";
+
+const BASE = "base";
+const MINIMUM = "minimum";
+const MAXIMUM = "maximum";
+const CLEAR_PROPS = [
+  BASE,
+  MINIMUM,
+  MAXIMUM
+];
+
+export interface IGeneralSubtree {
+  base: GeneralName;
+  minimum: number | asn1js.Integer;
+  maximum?: number | asn1js.Integer;
+}
+
+export interface GeneralSubtreeJson {
+  base: GeneralNameJson;
+  minimum?: number | asn1js.IntegerJson;
+  maximum?: number | asn1js.IntegerJson;
+}
+
+export type GeneralSubtreeParameters = PkiObjectParameters & Partial<IGeneralSubtree>;
+
+/**
+ * Represents the GeneralSubtree structure described in [RFC5280](https://datatracker.ietf.org/doc/html/rfc5280)
+ */
+export class GeneralSubtree extends PkiObject implements IGeneralSubtree {
+
+  public static override CLASS_NAME = "GeneralSubtree";
+
+  public base!: GeneralName;
+  public minimum!: number | asn1js.Integer;
+  public maximum?: number | asn1js.Integer;
+
+  /**
+   * Initializes a new instance of the {@link GeneralSubtree} class
+   * @param parameters Initialization parameters
+   */
+  constructor(parameters: GeneralSubtreeParameters = {}) {
+    super();
+
+    this.base = pvutils.getParametersValue(parameters, BASE, GeneralSubtree.defaultValues(BASE));
+    this.minimum = pvutils.getParametersValue(parameters, MINIMUM, GeneralSubtree.defaultValues(MINIMUM));
+    if (MAXIMUM in parameters) {
+      this.maximum = pvutils.getParametersValue(parameters, MAXIMUM, GeneralSubtree.defaultValues(MAXIMUM));
+    }
+
+    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 BASE): GeneralName;
+  public static override defaultValues(memberName: typeof MINIMUM): number;
+  public static override defaultValues(memberName: typeof MAXIMUM): number;
+  public static override defaultValues(memberName: string): any {
+    switch (memberName) {
+      case BASE:
+        return new GeneralName();
+      case MINIMUM:
+        return 0;
+      case MAXIMUM:
+        return 0;
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * @inheritdoc
+   * @asn ASN.1 schema
+   * ```asn
+   * GeneralSubtree ::= SEQUENCE {
+   *    base                    GeneralName,
+   *    minimum         [0]     BaseDistance DEFAULT 0,
+   *    maximum         [1]     BaseDistance OPTIONAL }
+   *
+   * BaseDistance ::= INTEGER (0..MAX)
+   *```
+   */
+  public static override schema(parameters: Schema.SchemaParameters<{
+    base?: GeneralNameSchema;
+    minimum?: string;
+    maximum?: string;
+  }> = {}): Schema.SchemaType {
+    const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
+
+    return (new asn1js.Sequence({
+      name: (names.blockName || EMPTY_STRING),
+      value: [
+        GeneralName.schema(names.base || {}),
+        new asn1js.Constructed({
+          optional: true,
+          idBlock: {
+            tagClass: 3, // CONTEXT-SPECIFIC
+            tagNumber: 0 // [0]
+          },
+          value: [new asn1js.Integer({ name: (names.minimum || EMPTY_STRING) })]
+        }),
+        new asn1js.Constructed({
+          optional: true,
+          idBlock: {
+            tagClass: 3, // CONTEXT-SPECIFIC
+            tagNumber: 1 // [1]
+          },
+          value: [new asn1js.Integer({ name: (names.maximum || 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,
+      GeneralSubtree.schema({
+        names: {
+          base: {
+            names: {
+              blockName: BASE
+            }
+          },
+          minimum: MINIMUM,
+          maximum: MAXIMUM
+        }
+      })
+    );
+    AsnError.assertSchema(asn1, this.className);
+
+    // Get internal properties from parsed schema
+    this.base = new GeneralName({ schema: asn1.result.base });
+
+    if (MINIMUM in asn1.result) {
+      if (asn1.result.minimum.valueBlock.isHexOnly)
+        this.minimum = asn1.result.minimum;
+      else
+        this.minimum = asn1.result.minimum.valueBlock.valueDec;
+    }
+
+    if (MAXIMUM in asn1.result) {
+      if (asn1.result.maximum.valueBlock.isHexOnly)
+        this.maximum = asn1.result.maximum;
+      else
+        this.maximum = asn1.result.maximum.valueBlock.valueDec;
+    }
+  }
+
+  public toSchema(): asn1js.Sequence {
+    //#region Create array for output sequence
+    const outputArray = [];
+
+    outputArray.push(this.base.toSchema());
+
+    if (this.minimum !== 0) {
+      let valueMinimum: number | asn1js.Integer = 0;
+
+      if (this.minimum instanceof asn1js.Integer) {
+        valueMinimum = this.minimum;
+      } else {
+        valueMinimum = new asn1js.Integer({ value: this.minimum });
+      }
+
+      outputArray.push(new asn1js.Constructed({
+        optional: true,
+        idBlock: {
+          tagClass: 3, // CONTEXT-SPECIFIC
+          tagNumber: 0 // [0]
+        },
+        value: [valueMinimum]
+      }));
+    }
+
+    if (MAXIMUM in this) {
+      let valueMaximum: number | asn1js.Integer = 0;
+
+      if (this.maximum instanceof asn1js.Integer) {
+        valueMaximum = this.maximum;
+      } else {
+        valueMaximum = new asn1js.Integer({ value: this.maximum });
+      }
+
+      outputArray.push(new asn1js.Constructed({
+        optional: true,
+        idBlock: {
+          tagClass: 3, // CONTEXT-SPECIFIC
+          tagNumber: 1 // [1]
+        },
+        value: [valueMaximum]
+      }));
+    }
+    //#endregion
+
+    //#region Construct and return new ASN.1 schema for this object
+    return (new asn1js.Sequence({
+      value: outputArray
+    }));
+    //#endregion
+  }
+
+  public toJSON(): GeneralSubtreeJson {
+    const res: GeneralSubtreeJson = {
+      base: this.base.toJSON()
+    };
+
+    if (this.minimum !== 0) {
+      if (typeof this.minimum === "number") {
+        res.minimum = this.minimum;
+      } else {
+        res.minimum = this.minimum.toJSON();
+      }
+    }
+
+    if (this.maximum !== undefined) {
+      if (typeof this.maximum === "number") {
+        res.maximum = this.maximum;
+      } else {
+        res.maximum = this.maximum.toJSON();
+      }
+    }
+
+    return res;
+  }
+
+}