get an aws security token for STT

lib/tasks/stt-task.js

@@ -53,7 +53,7 @@ class SttTask extends Task {
   }
 
   async _initSpeechCredentials(cs, vendor, label) {
-    const {getNuanceAccessToken, getIbmAccessToken} = this.cs.srf.locals.dbHelpers;
+    const {getNuanceAccessToken, getIbmAccessToken, getAwsAuthToken} = this.cs.srf.locals.dbHelpers;
     let credentials = cs.getSpeechCredentials(vendor, 'stt', label);
 
     if (!credentials) {
@@ -87,6 +87,13 @@ class SttTask extends Task {
       this.logger.debug({stt_api_key}, `got ibm access token ${servedFromCache ? 'from cache' : ''}`);
       credentials = {...credentials, access_token, stt_region};
     }
+    else if (vendor == 'aws') {
+      /* get AWS access token */
+      const {accessKeyId, secretAccessKey, region } = credentials;
+      const { servedFromCache, ...newCredentials} = await getAwsAuthToken(accessKeyId, secretAccessKey, region);
+      this.logger.debug({newCredentials}, `got aws security token ${servedFromCache ? 'from cache' : ''}`);
+      credentials = newCredentials;
+    }
     return credentials;
   }
 

lib/utils/install-srf-locals.js

@@ -178,6 +178,7 @@ function installSrfLocals(srf, logger) {
     synthAudio,
     getNuanceAccessToken,
     getIbmAccessToken,
+    getAwsAuthToken
   } = require('@jambonz/speech-utils')({redis_client: client}, logger);
   const {
     writeAlerts,
@@ -231,6 +232,7 @@ function installSrfLocals(srf, logger) {
       getListPosition,
       getNuanceAccessToken,
       getIbmAccessToken,
+      getAwsAuthToken,
       addToSortedSet,
       retrieveFromSortedSet,
       retrieveByPatternSortedSet,