Added 3 more tasks and refactored code to use a standalone shared npm package (installed locally from a tarball).

task/GetBlob/src/index.ts

@@ -0,0 +1,56 @@
+import * as fs from 'node:fs/promises';
+import * as path from 'node:path';
+import * as tl from 'azure-pipelines-task-lib/task';
+import {
+  buildBlobUrl,
+  requestStorageAccessToken,
+  requireInput
+} from '@skoszewski/ado-sk-toolkit-shared';
+
+async function downloadBlob(blobUrl: string, bearerToken: string): Promise<Buffer> {
+  const response = await fetch(blobUrl, {
+    method: 'GET',
+    headers: {
+      Authorization: `Bearer ${bearerToken}`,
+      'x-ms-version': '2020-10-02',
+      'x-ms-date': new Date().toUTCString()
+    }
+  });
+
+  if (!response.ok) {
+    const body = await response.text();
+    throw new Error(`Get blob request failed (${response.status} ${response.statusText}): ${body}`);
+  }
+
+  const arrayBuffer = await response.arrayBuffer();
+  return Buffer.from(arrayBuffer);
+}
+
+async function run(): Promise<void> {
+  try {
+    const endpointId = requireInput('serviceConnectionARM');
+    const storageAccountName = requireInput('storageAccountName');
+    const containerName = requireInput('containerName');
+    const blobName = requireInput('blobName');
+    const destinationPath = requireInput('destinationPath');
+
+    console.log('Requesting storage access token from Microsoft Entra ID...');
+    const accessToken = await requestStorageAccessToken(endpointId);
+
+    const blobUrl = buildBlobUrl(storageAccountName, containerName, blobName);
+    console.log(`Downloading ${storageAccountName}/${containerName}/${blobName}...`);
+
+    const blobData = await downloadBlob(blobUrl, accessToken);
+
+    await fs.mkdir(path.dirname(destinationPath), { recursive: true });
+    await fs.writeFile(destinationPath, blobData);
+
+    tl.setResult(tl.TaskResult.Succeeded, `Blob downloaded to ${destinationPath}.`);
+  } catch (error) {
+    const message = error instanceof Error ? error.message : String(error);
+    tl.error(message);
+    tl.setResult(tl.TaskResult.Failed, `GetBlob failed: ${message}`);
+  }
+}
+
+void run();