From f9edea3047593808f9d0e2b2ba15650bf3acc442 Mon Sep 17 00:00:00 2001
From: Markus Tacker <Markus.Tacker@NordicSemi.no>
Date: Tue, 5 Dec 2017 20:11:36 +0100
Subject: [PATCH] [aws-lambda] add CloudFront request and response events

See http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/lambda-event-structure.html
---
 types/aws-lambda/aws-lambda-tests.ts | 125 +++++++++++++++++++++++++++
 types/aws-lambda/index.d.ts          |  50 +++++++++++
 2 files changed, 175 insertions(+)

diff --git a/types/aws-lambda/aws-lambda-tests.ts b/types/aws-lambda/aws-lambda-tests.ts
index d21f477be0..c50daef248 100644
--- a/types/aws-lambda/aws-lambda-tests.ts
+++ b/types/aws-lambda/aws-lambda-tests.ts
@@ -315,6 +315,131 @@ function customAuthorizerCallback(cb: AWSLambda.CustomAuthorizerCallback) {
     cb(null, authResponse);
 }
 
+/* CloudFront events, see http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/lambda-event-structure.html */
+var CloudFrontRequestEvent: AWSLambda.CloudFrontRequestEvent = {
+  "Records": [
+    {
+      "cf": {
+        "config": {
+          "distributionId": "EDFDVBD6EXAMPLE",
+          "requestId": "MRVMF7KydIvxMWfJIglgwHQwZsbG2IhRJ07sn9AkKUFSHS9EXAMPLE=="
+        },
+        "request": {
+          "clientIp": "2001:0db8:85a3:0:0:8a2e:0370:7334",
+          "method": "GET",
+          "uri": "/picture.jpg",
+          "querystring": "size=large",
+          "headers": {
+            "host": [
+              {
+                "key": "Host",
+                "value": "d111111abcdef8.cloudfront.net"
+              }
+            ],
+            "user-agent": [
+              {
+                "key": "User-Agent",
+                "value": "curl/7.51.0"
+              }
+            ]
+          },
+          "origin": {
+            "custom": {
+              "customHeaders": {
+                "my-origin-custom-header": [
+                  {
+                    "key": "My-Origin-Custom-Header",
+                    "value": "Test"
+                  }
+                ]
+              },
+              "domainName": "example.com",
+              "keepaliveTimeout": 5,
+              "path": "/custom_path",
+              "port": 443,
+              "protocol": "https",
+              "readTimeout": 5,
+              "sslProtocols": [
+                "TLSv1",
+                "TLSv1.1"
+              ]
+            },
+            "s3": {
+              "authMethod": "origin-access-identity",
+              "customHeaders": {
+                "my-origin-custom-header": [
+                  {
+                    "key": "My-Origin-Custom-Header",
+                    "value": "Test"
+                  }
+                ]
+              },
+              "domainName": "my-bucket.s3.amazonaws.com",
+              "path": "/s3_path",
+              "region": "us-east-1"
+            }
+          }
+        }
+      }
+    }
+  ]
+};
+
+var CloudFrontResponseEvent: AWSLambda.CloudFrontResponseEvent = {
+    "Records": [
+        {
+            "cf": {
+                "config": {
+                    "distributionId": "EDFDVBD6EXAMPLE",
+                    "requestId": "xGN7KWpVEmB9Dp7ctcVFQC4E-nrcOcEKS3QyAez--06dV7TEXAMPLE=="
+                },
+                "request": {
+                    "clientIp": "2001:0db8:85a3:0:0:8a2e:0370:7334",
+                    "method": "GET",
+                    "uri": "/picture.jpg",
+                    "querystring": "size=large",
+                    "headers": {
+                        "host": [
+                            {
+                                "key": "Host",
+                                "value": "d111111abcdef8.cloudfront.net"
+                            }
+                        ],
+                        "user-agent": [
+                            {
+                                "key": "User-Agent",
+                                "value": "curl/7.18.1"
+                            }
+                        ]
+                    }
+                },
+                "response": {
+                    "status": "200",
+                    "statusDescription": "OK",
+                    "headers": {
+                        "server": [
+                            {
+                                "key": "Server",
+                                "value": "MyCustomOrigin"
+                            }
+                        ],
+                        "set-cookie": [
+                            {
+                                "key": "Set-Cookie",
+                                "value": "theme=light"
+                            },
+                            {
+                                "key": "Set-Cookie",
+                                "value": "sessionToken=abc123; Expires=Wed, 09 Jun 2021 10:18:14 GMT"
+                            }
+                        ]
+                    }
+                }
+            }
+        }
+    ]
+};
+
 /* Compatibility functions */
 context.done();
 context.done(error);
diff --git a/types/aws-lambda/index.d.ts b/types/aws-lambda/index.d.ts
index d6b50ff5e6..29fd267522 100644
--- a/types/aws-lambda/index.d.ts
+++ b/types/aws-lambda/index.d.ts
@@ -10,6 +10,7 @@
 //                 Ishaan Malhi <https://github.com/OrthoDex>
 //                 Daniel Cottone <https://github.com/daniel-cottone>
 //                 Kostya Misura <https://github.com/kostya-misura>
+//                 Markus Tacker <https://github.com/coderbyheart>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
@@ -346,6 +347,55 @@ interface AuthResponseContext {
     [name: string]: string | number | boolean;
 }
 
+/**
+ * CloudFront events
+ * http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/lambda-event-structure.html
+ */
+type CloudFrontHeaders = {
+        [name: string]: {
+            key: string;
+            value: string;
+        }[]
+};
+
+type CloudFrontResponse = {
+    status: string;
+    statusDescription: string;
+    headers: CloudFrontHeaders;
+};
+
+type CloudFrontRequest = {
+    clientIp: string;
+    method: string;
+    uri: string;
+    querystring: string;
+    headers: CloudFrontHeaders;
+};
+
+type CloudFrontEvent = {
+    config: {
+        distributionId: string;
+        requestId: string;
+    }
+}
+
+export type CloudFrontResponseEvent = {
+    Records: {
+        cf: CloudFrontEvent & {
+            request: CloudFrontRequest;
+            response: CloudFrontResponse;
+        }
+    }[]
+};
+
+export type CloudFrontRequestEvent = {
+    Records: {
+        cf: CloudFrontEvent & {
+            request: CloudFrontRequest;
+        }
+    }[]
+};
+
 /**
  * AWS Lambda handler function.
  * http://docs.aws.amazon.com/lambda/latest/dg/nodejs-prog-model-handler.html