Send auth cache desired ttl to cache function

Author: thenikso

index.js

@@ -21,6 +21,7 @@ module.exports = function(options) {
       for (let e of events) {
         const authSource = getObjectPath(['authorizer', 'identitySource'], e);
         const authValidatorExp = getObjectPath(['authorizer', 'identityValidationExpression'], e);
+        const authCacheTtl = getObjectPath(['authorizer', 'resultTtlInSeconds'], e);
         const authorizerFunction = (
           getObjectPath(getObjectPath(['authorizer', 'arn'], e) || '', options.authorizers) ||
           getObjectPath(getObjectPath(['authorizer', 'name'], e) || '', slsHandlers)
@@ -43,7 +44,8 @@ module.exports = function(options) {
               authorizerCheckCallback(
                 authorizerFunction,
                 options.setCacheEntry,
-                options.getCacheEntry
+                options.getCacheEntry,
+                authCacheTtl
               )
             ] : []),
             ...(e.cors ? [decorateAddCORSCallback()] : []),

lib/authorizer-callbacks.js

@@ -65,15 +65,15 @@ module.exports.authorizerValidationCallback = function(
 module.exports.authorizerCheckCallback = function(
   authorizer,
   setCacheEntry,
-  getCacheEntry
+  getCacheEntry,
+  cacheEntryTtl
 ) {
   return function(req, res, next) {
     if (!authorizer) {
       return next();
     }
 
     function authorizerCallback(err, awsAuthDocument) {
-      // TODO addCacheEntry(req.lambda.authorizer.event.authorizationToken, awsAuthDocument).then
       if (err) {
         res.status(500).send(err);
       } else {
@@ -104,6 +104,7 @@ module.exports.authorizerCheckCallback = function(
               (setCacheEntry || function(i, cb) { cb() })({
                 key: cacheKey,
                 value: awsAuthDocument,
+                ttl: cacheEntryTtl || 300,
               }, function() {
                 authorizerCallback(innerErr, awsAuthDocument);
               });