Added new template for combined firstParty and Enforcer lambdas

run-package.sh

@@ -3,7 +3,7 @@ set -e
 
 # variable declarations
 build_dir=dist
-lambdas=( PXEnforcer PXFirstParty PXActivities )
+lambdas=( PXEnforcer PXFirstParty PXActivities PXCombined_Enforcer_FirstParty)
 
 # clear previous zips
 rm -f *.zip

src/PXCombined_Enforcer_FirstParty.ts

@@ -0,0 +1,45 @@
+import { CloudFrontRequest, CloudFrontRequestEvent, CloudFrontResponseResult, Context } from 'aws-lambda';
+import { HumanSecurityEnforcer, HumanSecurityFirstParty } from './px/humansecurity';
+import { getConfigAsync } from './custom/config';
+
+
+// define and export a handler
+export async function handler(
+    event: CloudFrontRequestEvent,
+    context: Context
+): Promise<CloudFrontRequest | CloudFrontResponseResult> {
+    // extract request from event
+    const request = event.Records[0].cf.request;
+
+    // retrieve and await the configuration
+    const config = await getConfigAsync();
+
+    // initialize enforcer and first party
+    const enforcer = HumanSecurityEnforcer.initialize(config);
+    const firstParty = HumanSecurityFirstParty.initialize(config);
+
+
+    // handle first party before calling enforce or other custom logic
+    const firstPartyResult = await firstParty.handleFirstParty(request, context);
+
+    // if the result exists, the incoming request is a HUMAN first party request
+    // the result should be returned from the handler
+    if (firstPartyResult) {
+        return firstPartyResult;
+    }
+
+    // if the request is not first party, we should enforce the incoming request
+    const blockResponse = await enforcer.enforce(request);
+
+    // if we received a response, we should return it from the handler
+    // this will return the block response to the end user and prevent the
+    // request from reaching the origin server
+    if (blockResponse) {
+        return blockResponse;
+    }
+
+    // if we did not receive a block response, the request can be processed
+    // using custom logic as desired and eventually returned from the handler
+    // to pass it along to the origin server
+    return request;
+}