From 1a664e3f55723effca7f58f96fe2201a160e274b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?K=C3=A9vin=20Baumeyer?= <baumeyerkevin@gmail.com>
Date: Tue, 26 Feb 2019 15:08:59 +0100
Subject: [PATCH] Add types for sns-validator

---
 types/sns-validator/index.d.ts             | 22 ++++++++++++
 types/sns-validator/sns-validator-tests.ts | 41 ++++++++++++++++++++++
 types/sns-validator/tsconfig.json          | 23 ++++++++++++
 types/sns-validator/tslint.json            |  1 +
 4 files changed, 87 insertions(+)
 create mode 100644 types/sns-validator/index.d.ts
 create mode 100644 types/sns-validator/sns-validator-tests.ts
 create mode 100644 types/sns-validator/tsconfig.json
 create mode 100644 types/sns-validator/tslint.json

diff --git a/types/sns-validator/index.d.ts b/types/sns-validator/index.d.ts
new file mode 100644
index 0000000000..8a816117b0
--- /dev/null
+++ b/types/sns-validator/index.d.ts
@@ -0,0 +1,22 @@
+// Type definitions for sns-validator 0.3
+// Project: https://github.com/aws/aws-js-sns-message-validator#readme
+// Definitions by: Kévin Baumeyer <https://github.com/kevin68>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
+
+declare class MessageValidator {
+    /**
+     * Create a new MessageValidator
+     * @param hostPattern - A pattern used to validate that a message's certificate originates from a trusted domain. Default: `/^sns\.[a-zA-Z0-9\-]{3,}\.amazonaws\.com(\.cn)?$/`
+     * @param encoding - The encoding of the messages being signed. Default is `utf8`
+     */
+    constructor(hostPattern?: RegExp, encoding?: string);
+
+    /**
+     * Validates a message's signature and passes it to the provided callback.
+     * @param hash Can be the raw or parsed message.
+     * @param cb The callback which is called with the message when it is valid or with an Error when it isn't.
+     */
+    validate(hash: string | object, cb: (err: Error | null, message?: object) => void): void;
+}
+export = MessageValidator;
diff --git a/types/sns-validator/sns-validator-tests.ts b/types/sns-validator/sns-validator-tests.ts
new file mode 100644
index 0000000000..fc89b27776
--- /dev/null
+++ b/types/sns-validator/sns-validator-tests.ts
@@ -0,0 +1,41 @@
+import SNSValidator = require('sns-validator');
+
+/* tslint:disable:max-line-length */
+const message = `{
+    "Type" : "SubscriptionConfirmation",
+    "MessageId" : "165545c9-2a5c-472c-8df2-7ff2be2b3b1b",
+    "Token" : "2336412f37fb687f5d51e6e241d09c805a5a57b30d712f794cc5f6a988666d92768dd60a747ba6f3beb71854e285d6ad02428b09ceece29417f1f02d609c582afbacc99c583a916b9981dd2728f4ae6fdb82efd087cc3b7849e05798d2d2785c03b0879594eeac82c01f235d0e717736",
+    "TopicArn" : "arn:aws:sns:us-west-2:123456789012:MyTopic",
+    "Message" : "You have chosen to subscribe to the topic arn:aws:sns:us-west-2:123456789012:MyTopic.\nTo confirm the subscription, visit the SubscribeURL included in this message.",
+    "SubscribeURL" : "https://sns.us-west-2.amazonaws.com/?Action=ConfirmSubscription&TopicArn=arn:aws:sns:us-west-2:123456789012:MyTopic&Token=2336412f37fb687f5d51e6e241d09c805a5a57b30d712f794cc5f6a988666d92768dd60a747ba6f3beb71854e285d6ad02428b09ceece29417f1f02d609c582afbacc99c583a916b9981dd2728f4ae6fdb82efd087cc3b7849e05798d2d2785c03b0879594eeac82c01f235d0e717736",
+    "Timestamp" : "2012-04-26T20:45:04.751Z",
+    "SignatureVersion" : "1",
+    "Signature" : "EXAMPLEpH+DcEwjAPg8O9mY8dReBSwksfg2S7WKQcikcNKWLQjwu6A4VbeS0QHVCkhRS7fUQvi2egU3N858fiTDN6bkkOxYDVrY0Ad8L10Hs3zH81mtnPk5uvvolIC1CXGu43obcgFxeL3khZl8IKvO61GWB6jI9b5+gLPoBc1Q=",
+    "SigningCertURL" : "https://sns.us-west-2.amazonaws.com/SimpleNotificationService-f3ecfb7224c7233fe7bb5f59f96de52f.pem"
+    }`;
+/* tslint:enable:max-line-length */
+const messageObject = JSON.parse(message);
+
+// Test with a string
+new SNSValidator().validate(message, (err, message) => {
+    const e = err; // $ExpectType Error | null
+    const m = message; // $ExpectType object | undefined
+});
+
+// Test with a JSON
+new SNSValidator().validate(messageObject, (err, message) => {
+    const e = err; // $ExpectType Error | null
+    const m = message; // $ExpectType object | undefined
+});
+
+// Test with an invalid string
+new SNSValidator().validate('invalid_message', (err, message) => {
+    const e = err; // $ExpectType Error | null
+    const m = message; // $ExpectType object | undefined
+});
+
+// Test with an invalid JSON
+new SNSValidator().validate({...messageObject, Signature: "invalid_signature"}, (err, message) => {
+    const e = err; // $ExpectType Error | null
+    const m = message; // $ExpectType object | undefined
+});
diff --git a/types/sns-validator/tsconfig.json b/types/sns-validator/tsconfig.json
new file mode 100644
index 0000000000..a2f40ef3e3
--- /dev/null
+++ b/types/sns-validator/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "sns-validator-tests.ts"
+    ]
+}
diff --git a/types/sns-validator/tslint.json b/types/sns-validator/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/sns-validator/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }