feat: verify hostname (load free certificate call to bunny cdn) (#271)

* feat: initialize the handler and function.

* feat: add call to the bunny cdn api.

* refactor: rename access points to apps.

* refactor: remove redundant catch and throw

Co-authored-by: Felipe Mendes <zo.fmendes@gmail.com>

---------

Co-authored-by: Felipe Mendes <zo.fmendes@gmail.com>

serverless/serverless.yaml

@@ -92,4 +92,12 @@ functions:
     layers:
       - { Ref: TopicAwsNodeModulesLambdaLayer }
       - { Ref: TopicAwsLibsLambdaLayer }
-      - { Ref: TopicPrismaAwsPrismaClientLambdaLayer }
+      - { Ref: TopicPrismaAwsPrismaClientLambdaLayer }
+
+  verifyAccessPoint:
+    handler: src/functions/apps/handler.verifyApp
+    events:
+      - http:
+          path: verifyApp
+          method: post
+          cors: true

serverless/src/functions/apps/handler.ts

@@ -7,8 +7,43 @@ import {
   BunnyCdn,
   BunnyCdnError,
   CreatePullZoneMethodArgs,
+  LoadFreeCertificateMethodArgs,
 } from '@libs/bunnyCDN';
 
+export const verifyApp = async (
+  event: APIGatewayEvent
+): Promise<APIGatewayProxyResult> => {
+  try {
+    // Check the parameters and environment variables
+    dotenv.config();
+    if (event.body === null || process.env.BUNNY_CDN_ACCESS_KEY == undefined) {
+      return formatJSONResponse({
+        status: 422,
+        message: 'Required parameters were not passed.',
+      });
+    }
+
+    // Set up constants
+    const bunnyCdn = new BunnyCdn(process.env.BUNNY_CDN_ACCESS_KEY);
+    const hostname = JSON.parse(event.body).hostname;
+
+    let args: LoadFreeCertificateMethodArgs = {
+      hostname,
+    };
+
+    await bunnyCdn.loadFreeCertificate(args);
+
+    return formatJSONResponse({
+      status: true,
+    });
+  } catch (e) {
+    return formatJSONResponse({
+      status: 500,
+      message: e,
+    });
+  }
+};
+
 export const submitAppInfo = async (
   event: APIGatewayEvent
 ): Promise<APIGatewayProxyResult> => {

serverless/src/functions/apps/index.ts

@@ -1,5 +1,17 @@
 import { handlerPath } from '@libs/handler-resolver';
 
+export const verifyApp = {
+  handler: `${handlerPath(__dirname)}/handler.verifyApp`,
+  events: [
+    {
+      http: {
+        method: 'post',
+        path: 'verifyApp',
+      },
+    },
+  ],
+};
+
 export const submitAppInfo = {
   handler: `${handlerPath(__dirname)}/handler.submitAppInfo`,
   events: [