From cfe8d6b8a3a245179a5df8137e0362d959c35d4c Mon Sep 17 00:00:00 2001
From: Mark Steele <mark.steele@autodesk.com>
Date: Wed, 18 Apr 2018 11:52:36 -0400
Subject: adding doc

---
 README.md | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 auth.js   |  2 +-
 2 files changed, 86 insertions(+), 1 deletion(-)
 create mode 100644 README.md

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..d1e76de
--- /dev/null
+++ b/README.md
@@ -0,0 +1,85 @@
+# netlify-serverless-oauth2-backend
+
+This is an AWS Lambda based service to help perform authentication to Github via an OAuth2 authentication process.
+
+
+## Installation
+
+```
+sudo npm -i serverless -g
+npm i
+```
+
+## Configuration
+
+This code can be run either locally (using the serverless-offline plugin) or deployed in AWS.
+
+### Offline
+
+To run it locally:
+
+```
+sls offline
+```
+
+Before running it, update auth.js to reflect your desired configuration. The settings are defined in the initialization of the Secrets class:
+
+```
+// Change this stuff in auth.js to reflect your own dev testing
+const secrets = new Secrets({
+  GIT_HOSTNAME: 'https://github.com',
+  OAUTH_TOKEN_PATH: '/login/oauth/access_token',
+  OAUTH_AUTHORIZE_PATH: '/login/oauth/authorize',
+  OAUTH_CLIENT_ID: 'foo',
+  OAUTH_CLIENT_SECRET: 'bar',
+  REDIRECT_URL: 'http://localhost:3000/oauth/callback',
+  OAUTH_SCOPES: 'repo,user',
+});
+```
+
+For this to work you'll also need to have your OAuth2 app setup properly in Github (and redirecting to the same callback url).
+
+### AWS Deployment
+
+To deploy the Lambda function, you'll need to update serverless.yml and set your KMS key for the parameter store.
+
+To grab the key id:
+
+```
+aws kms describe-key --key-id alias/aws/ssm --profile <YOURAWSPROFILE> --region <REGION>
+```
+
+ex:
+
+```
+aws kms describe-key --key-id alias/aws/ssm --profile ctrl-alt-del --region us-east-1
+```
+
+If you're unfamiliar with AWS profiles, see this documentation: https://docs.aws.amazon.com/cli/latest/userguide/cli-multiple-profiles.html
+
+Once you've added your key uuid to the serverless.yml configuration (mapping it to the correct region and stage), it's time to deploy the code.
+
+```
+sls deploy -s <STAGE> --aws-profile <YOURAWSPROFILE> --region <REGION>
+```
+
+Ex:
+
+```
+sls deploy -s prod --aws-profile ctrl-alt-del --region us-east-1
+```
+
+Finally, once the code is deployed you need to add some parameters to the AWS parameter store.
+
+Head on over to the AWS console, find the Systems manager, and go to the Parameter store.
+
+In there, you'll want to create the following parameters/values (as SecureStrings):
+
+* /ctrl-alt-del/oauth/<STAGE>/GIT_HOSTNAME - The github host to use. Ex: https://github.com
+* /ctrl-alt-del/oauth/<STAGE>/OAUTH_TOKEN_PATH - The token api uri path. Most probably this: /login/oauth/access_token
+* /ctrl-alt-del/oauth/<STAGE>/OAUTH_AUTHORIZE_PATH - The authorize api uri path. Most probably this: /login/oauth/authorize 
+* /ctrl-alt-del/oauth/<STAGE>/OAUTH_CLIENT_ID - Your Github OAuth client id
+* /ctrl-alt-del/oauth/<STAGE>/OAUTH_CLIENT_SECRET - Your Github OAuth client secret
+* /ctrl-alt-del/oauth/<STAGE>/REDIRECT_URL - Your callback URL. It will look something like this: https://RANDOMSTUFF.execute-api.us-east-1.amazonaws.com/<STAGE>/callback
+* /ctrl-alt-del/oauth/<STAGE>/OAUTH_SCOPES - The scopes to grant. Probably this: repo,user
+
diff --git a/auth.js b/auth.js
index c29823f..3a75ce0 100644
--- a/auth.js
+++ b/auth.js
@@ -8,7 +8,7 @@ const secrets = new Secrets({
   OAUTH_AUTHORIZE_PATH: '/login/oauth/authorize',
   OAUTH_CLIENT_ID: 'foo',
   OAUTH_CLIENT_SECRET: 'bar',
-  REDIRECT_URL: 'https://www.control-alt-del.org/oauth/callback',
+  REDIRECT_URL: 'http://localhost:3000/oauth/callback',
   OAUTH_SCOPES: 'repo,user',
 });
 
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