fix: Promise token support

package.json

@@ -79,7 +79,7 @@
     "@adobe/spacecat-shared-brand-client": "1.1.35",
     "@adobe/spacecat-shared-data-access": "2.104.0",
     "@adobe/spacecat-shared-gpt-client": "1.6.16",
-    "@adobe/spacecat-shared-http-utils": "1.20.0",
+    "@adobe/spacecat-shared-http-utils": "https://gist.github.com/ravverma/73fbd39cad0536f360791528e21c3857/raw/d90ba46561b05c04c5ee1632e0ba432e0437bd53/adobe-spacecat-shared-http-utils-1.20.0.tgz",
     "@adobe/spacecat-shared-ims-client": "1.11.9",
     "@adobe/spacecat-shared-rum-api-client": "2.40.7",
     "@adobe/spacecat-shared-scrape-client": "2.5.0",

src/support/utils.js

@@ -625,6 +625,31 @@ export async function getIMSPromiseToken(context) {
   );
 }
 
+/**
+ * Get the access token from the Promise Token in authInfo of context.
+ * @param {object} context - The context of the request.
+ * @returns {string} accessToken - The access token.
+ * @throws {ErrorWithStatusCode} - If the promise token is missing.
+ */
+export async function getAccessToken(context) {
+  const imsClient = ImsPromiseClient.createFrom(
+    context,
+    ImsPromiseClient.CLIENT_TYPE.CONSUMER,
+  );
+
+  const authInfo = context.attributes?.authInfo;
+  const promiseToken = authInfo.getPromiseToken();
+  if (!promiseToken) {
+    throw new ErrorWithStatusCode('Missing promise token', STATUS_BAD_REQUEST);
+  }
+
+  const accessToken = await imsClient.exchangeToken(
+    promiseToken,
+    !!context.env?.AUTOFIX_CRYPT_SECRET && !!context.env?.AUTOFIX_CRYPT_SALT,
+  );
+  return accessToken;
+}
+
 /**
  * Build an S3 prefix for site content files.
  * @param {string} type - The type of content (e.g., 'scrapes', 'imports', 'accessibility').