From 3fee2364dfda7c2beb65dc6e1980e41b2ed30751 Mon Sep 17 00:00:00 2001
From: Ben Grynhaus <bengr6@gmail.com>
Date: Sat, 29 Jun 2019 03:58:15 +0300
Subject: [PATCH] add express-sslify types (#36482)

---
 types/express-sslify/express-sslify-tests.ts | 18 +++++++++++
 types/express-sslify/index.d.ts              | 32 ++++++++++++++++++++
 types/express-sslify/tsconfig.json           | 23 ++++++++++++++
 types/express-sslify/tslint.json             |  1 +
 4 files changed, 74 insertions(+)
 create mode 100644 types/express-sslify/express-sslify-tests.ts
 create mode 100644 types/express-sslify/index.d.ts
 create mode 100644 types/express-sslify/tsconfig.json
 create mode 100644 types/express-sslify/tslint.json

diff --git a/types/express-sslify/express-sslify-tests.ts b/types/express-sslify/express-sslify-tests.ts
new file mode 100644
index 0000000000..e616b77a1b
--- /dev/null
+++ b/types/express-sslify/express-sslify-tests.ts
@@ -0,0 +1,18 @@
+import { Application } from 'express';
+import { HTTPS } from 'express-sslify';
+
+declare const express: Application;
+declare const booleanFlag: boolean;
+
+express.use(HTTPS());
+express.use(HTTPS({}));
+express.use(HTTPS({ trustAzureHeader: booleanFlag }));
+express.use(HTTPS({ trustProtoHeader: booleanFlag }));
+express.use(HTTPS({ trustXForwardedHostHeader: booleanFlag }));
+express.use(
+    HTTPS({
+        trustXForwardedHostHeader: booleanFlag,
+        trustAzureHeader: booleanFlag,
+        trustProtoHeader: booleanFlag,
+    })
+);
diff --git a/types/express-sslify/index.d.ts b/types/express-sslify/index.d.ts
new file mode 100644
index 0000000000..9183c099d7
--- /dev/null
+++ b/types/express-sslify/index.d.ts
@@ -0,0 +1,32 @@
+// Type definitions for express-sslify 1.2
+// Project: https://github.com/florianheinemann/express-sslify
+// Definitions by: Ben Grynhaus <https://github.com/bengry>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
+
+import { RequestHandler } from 'express';
+
+export interface Options {
+    /**
+     * Heroku, nodejitsu and other hosters often use reverse proxies which offer SSL endpoints but then forward unencrypted HTTP traffic to the website.
+     * This makes it difficult to detect if the original request was indeed via HTTPS.
+     * Luckily, most reverse proxies set the x-forwarded-proto header flag with the original request scheme.
+     * @default false
+     */
+    trustProtoHeader?: boolean;
+
+    /**
+     * Azure has a slightly different way of signaling encrypted connections.
+     * To tell express-sslify to look out for Azure's x-arr-ssl header.
+     * @default false
+     */
+    trustAzureHeader?: boolean;
+
+    /**
+     * If your reverse proxy sends the original host using the X-Forwarded-Host header and you need to use that instead of the Host header for the redirect.
+     * @default false
+     */
+    trustXForwardedHostHeader?: boolean;
+}
+
+export function HTTPS(options?: Options): RequestHandler;
diff --git a/types/express-sslify/tsconfig.json b/types/express-sslify/tsconfig.json
new file mode 100644
index 0000000000..c6705cd3db
--- /dev/null
+++ b/types/express-sslify/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "express-sslify-tests.ts"
+    ]
+}
diff --git a/types/express-sslify/tslint.json b/types/express-sslify/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/express-sslify/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }