Add a script to generate storage SAS URL for configs (#392)

Author: mikebudzynski

scripts/retrieveStorageSasUrl.js

@@ -0,0 +1,49 @@
+// Before you run the script, you need to
+// 1. Install the azure-storage package: `npm install azure-storage`
+// 2. Assign the storage connection string to the connectionString variable below
+
+const azure = require('azure-storage');
+
+let connectionString = "DefaultEndpointsProtocol=https;AccountName=...";
+
+function generateSasToken(container, connectionString) {
+  const blobName = "";
+  let blobService = azure.createBlobService(connectionString);
+
+  // Create a SAS token that expires in an hour
+  // Set start time to five minutes ago to avoid clock skew.
+  let startDate = new Date();
+  startDate.setMinutes(startDate.getMinutes() - 5);
+  let expiryDate = new Date(startDate);
+  expiryDate.setHours(startDate.getHours() + 24 * 60); // 60 days expiration
+
+  permissions = azure.BlobUtilities.SharedAccessPermissions.READ +
+    azure.BlobUtilities.SharedAccessPermissions.WRITE +
+    azure.BlobUtilities.SharedAccessPermissions.DELETE +
+    azure.BlobUtilities.SharedAccessPermissions.LIST;
+
+  let sharedAccessPolicy = {
+    AccessPolicy: {
+      Permissions: permissions,
+      Start: startDate,
+      Expiry: expiryDate
+    }
+  };
+
+  let sasToken = blobService.generateSharedAccessSignature(
+    container,
+    blobName,
+    sharedAccessPolicy
+  );
+
+  return {
+    token: sasToken,
+    uri: blobService.getUrl(container, blobName, sasToken, true)
+  };
+}
+
+const container = "content";
+let tokenObject = generateSasToken(container, connectionString);
+let url = `${tokenObject.uri}?${tokenObject.token}`;
+
+console.log("SAS URL: ", url)