force all requests to lambda

Author: devksingh4

cloudformation/main.yml

@@ -119,30 +119,11 @@ Resources:
       Name: !Sub ${ApplicationPrefix}-gateway
       Description: !Sub "${ApplicationFriendlyName} API Gateway"
       AlwaysDeploy: True
-      DefinitionBody: 
-        /{proxy+}:
-          x-amazon-apigateway-any-method:
-            produces:
-              - "application/json"
-            responses: {}
-            x-amazon-apigateway-integration:
-              uri: !Sub arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:function:${ApplicationPrefix}-lambda/invocations
-              responses:
-                default:
-                  statusCode: "200"
-              passthroughBehavior: "when_no_match"
-              httpMethod: "POST"
-              type: "aws_proxy"
-        basePath: "/"
-        schemes:
-          - "https"
-        x-amazon-apigateway-policy:
-          Version: "2012-10-17"
-          Statement:
-            - Effect: "Allow"
-              Principal: "*"
-              Action: "execute-api:Invoke"
-              Resource: "execute-api:/*"
+      DefinitionBody:
+        Fn::Transform:
+          Name: AWS::Include
+          Parameters:
+            Location: ./phony-swagger.yml
       Domain: 
         DomainName: !Sub
           - "${ApplicationPrefix}.${BaseDomainName}"

cloudformation/phony-swagger.yml

@@ -0,0 +1,28 @@
+openapi: 3.0.3
+info:
+  title: ACM UIUC Redirect All API
+  version: "1.0.0"
+  contact:
+    name: ACM Infrastructure Team
+    email: infra@acm.illinois.edu
+
+paths:
+  /{proxy+}:
+    x-amazon-apigateway-any-method:
+      responses:
+        200:
+          description: OK
+
+      x-amazon-apigateway-auth:
+        type: NONE
+
+      x-amazon-apigateway-integration:
+        responses:
+          default:
+            statusCode: 200
+        passthroughBehavior: when_no_match
+        httpMethod: POST
+        contentHandling: CONVERT_TO_TEXT
+        type: aws_proxy
+        uri:
+          Fn::Sub: "arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:function:${ApplicationPrefix}-lambda/invocations"