summaryrefslogtreecommitdiffstats
path: root/comm/third_party/asn1js/src/OctetString.ts
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /comm/third_party/asn1js/src/OctetString.ts
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'comm/third_party/asn1js/src/OctetString.ts')
-rw-r--r--comm/third_party/asn1js/src/OctetString.ts103
1 files changed, 103 insertions, 0 deletions
diff --git a/comm/third_party/asn1js/src/OctetString.ts b/comm/third_party/asn1js/src/OctetString.ts
new file mode 100644
index 0000000000..df57e9bc6e
--- /dev/null
+++ b/comm/third_party/asn1js/src/OctetString.ts
@@ -0,0 +1,103 @@
+import * as pvtsutils from "pvtsutils";
+import { BaseBlock, BaseBlockJson, BaseBlockParams } from "./BaseBlock";
+import { Constructed } from "./Constructed";
+import { LocalOctetStringValueBlockParams, LocalOctetStringValueBlock, LocalOctetStringValueBlockJson } from "./internals/LocalOctetStringValueBlock";
+import { OCTET_STRING_NAME } from "./internals/constants";
+import { localFromBER } from "./parser";
+import { typeStore } from "./TypeStore";
+
+export interface OctetStringParams extends BaseBlockParams, LocalOctetStringValueBlockParams { }
+export type OctetStringJson = BaseBlockJson<LocalOctetStringValueBlockJson>;
+
+export class OctetString extends BaseBlock<LocalOctetStringValueBlock, LocalOctetStringValueBlockJson> {
+
+ static {
+ typeStore.OctetString = this;
+ }
+
+ public static override NAME = OCTET_STRING_NAME;
+
+ constructor({
+ idBlock = {},
+ lenBlock = {},
+ ...parameters
+ }: OctetStringParams = {}) {
+ parameters.isConstructed ??= !!parameters.value?.length;
+ super({
+ idBlock: {
+ isConstructed: parameters.isConstructed,
+ ...idBlock,
+ },
+ lenBlock: {
+ ...lenBlock,
+ isIndefiniteForm: !!parameters.isIndefiniteForm,
+ },
+ ...parameters,
+ }, LocalOctetStringValueBlock);
+
+ this.idBlock.tagClass = 1; // UNIVERSAL
+ this.idBlock.tagNumber = 4; // OctetString
+ }
+
+ public override fromBER(inputBuffer: ArrayBuffer | Uint8Array, inputOffset: number, inputLength: number): number {
+ this.valueBlock.isConstructed = this.idBlock.isConstructed;
+ this.valueBlock.isIndefiniteForm = this.lenBlock.isIndefiniteForm;
+
+ // Ability to encode empty OCTET STRING
+ if (inputLength === 0) {
+ if (this.idBlock.error.length === 0)
+ this.blockLength += this.idBlock.blockLength;
+
+ if (this.lenBlock.error.length === 0)
+ this.blockLength += this.lenBlock.blockLength;
+
+ return inputOffset;
+ }
+
+ if (!this.valueBlock.isConstructed) {
+ const view = inputBuffer instanceof ArrayBuffer ? new Uint8Array(inputBuffer) : inputBuffer;
+ const buf = view.subarray(inputOffset, inputOffset + inputLength);
+ try {
+ if (buf.byteLength) {
+ const asn = localFromBER(buf, 0, buf.byteLength);
+ if (asn.offset !== -1 && asn.offset === inputLength) {
+ this.valueBlock.value = [asn.result as OctetString];
+ }
+ }
+ } catch (e) {
+ // nothing
+ }
+ }
+
+ return super.fromBER(inputBuffer, inputOffset, inputLength);
+ }
+
+ protected override onAsciiEncoding(): string {
+ if (this.valueBlock.isConstructed || (this.valueBlock.value && this.valueBlock.value.length)) {
+ return Constructed.prototype.onAsciiEncoding.call(this);
+ }
+
+ return `${(this.constructor as typeof OctetString).NAME} : ${pvtsutils.Convert.ToHex(this.valueBlock.valueHexView)}`;
+ }
+
+ /**
+ * Returns OctetString value. If OctetString is constructed, returns concatenated internal OctetString values
+ * @returns Array buffer
+ * @since 3.0.0
+ */
+ public getValue(): ArrayBuffer {
+ if (!this.idBlock.isConstructed) {
+ return this.valueBlock.valueHexView.slice().buffer;
+ }
+
+ const array: ArrayBuffer[] = [];
+ for (const content of this.valueBlock.value) {
+ if (content instanceof OctetString) {
+ array.push(content.valueBlock.valueHexView);
+ }
+ }
+
+ return pvtsutils.BufferSourceConverter.concat(array);
+ }
+
+}