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https://github.com/mxstbr/micro-github

A tiny microservice that makes adding authentication with GitHub to your application easy.
https://github.com/mxstbr/micro-github

github github-api micro microservices nodejs

Last synced: about 1 month ago
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A tiny microservice that makes adding authentication with GitHub to your application easy.

Host: GitHub
URL: https://github.com/mxstbr/micro-github
Owner: mxstbr
License: mit
Created: 2017-02-04T21:11:11.000Z (over 7 years ago)
Default Branch: master
Last Pushed: 2019-10-11T08:25:27.000Z (over 4 years ago)
Last Synced: 2024-04-16T06:23:49.601Z (2 months ago)
Topics: github, github-api, micro, microservices, nodejs
Language: JavaScript
Homepage:
Size: 21.5 KB
Stars: 730
Watchers: 14
Forks: 57
Open Issues: 4
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE.md

Lists

my-awesome-stars - mxstbr/micro-github - A tiny microservice that makes adding authentication with GitHub to your application easy. (JavaScript)
awesome-micro - micro-github - Add authentication with GitHub to your application (Built with Micro / Utilities)
awesome-stars - micro-github
awesome-stars - micro-github
awesome-stars - micro-github
awesome-stars - mxstbr/micro-github - A tiny microservice that makes adding authentication with GitHub to your application easy. (JavaScript)

README

# `micro-github`

A tiny microservice that makes adding authentication with GitHub to your application easy.

## Usage

Running your own `micro-github` is a single [`now`](https://now.sh) command away:

```sh
# Deploy this repository using now.sh
now mxstbr/micro-github -e GH_CLIENT_ID=xyz123 -e GH_CLIENT_SECRET=asdf123 -e REDIRECT_URL=https://google.com
```

### Environment variables

You'll need to provide three environment variables when running `micro-github`:

```sh
# Your GitHub application client id
GH_CLIENT_ID=xyz123
# Your GitHub application client secret
GH_CLIENT_SECRET=asdf123
# The URL to redirect the user to once the authentication was successful
REDIRECT_URL=https://google.com
# Optional: Specify the GitHub host when using GitHub Enterprise
GH_HOST=github.my-company.com
```

> Create an application on GitHub [here](https://github.com/settings/applications/new) to get your client id and secret if you haven't done that already.

When authentication is successful, the user will be redirected to the `REDIRECT_URL` with the `access_token` query param set to the GitHub access token. You can then use that token to interact with the [GitHub API](https://developer.github.com/v3/)!

> E.g. setting `REDIRECT_URL=https://google.com` will redirect them to `https://google.com/?access_token=asdf123`. (where `asdf123` is the provided access token)

### Finish setup

To make this work you have to set the authorization callback URL of [your application on GitHub](https://github.com/settings/developers) to whatever URL `now` gave you plus the path `/callback` e.g. `http://localhost:3000/callback`:

![Authorization callback URL: 'your-url.now.sh'](https://cloud.githubusercontent.com/assets/168870/24585953/9543e03a-178e-11e7-8f10-07be5c10682c.png)

To log people in provide a link to url `now` gave you plus the path `login` e.g. `http://localhost:3000/login` when they click on the link it will redirect to `https://github.com/login/oauth/authorize?client_id=asdf123&state`. (where `client_id` is your GitHub app client id in `.env` and `state` is a randomly generated string). This will redirect them to the GitHub sign in page for your app, which looks like this:

![Authorize my app to access your data on GitHub](https://cloud.githubusercontent.com/assets/7525670/22627265/fc50c680-ebbf-11e6-9126-dcdef37d3c3d.png)

> You can change the scope of the data you can access with the `scope` query param, see the [GitHub docs](https://developer.github.com/v3/oauth/#scopes)!

When authentication is successful, the user will be redirected to the `REDIRECT_URL` with the access token from GitHub for you to use! 🎉

### Error handling

In case an error happens (either by the service or on GitHub) the user will be redirected to the `REDIRECT_URL` with the `error` query param set to a relevant error message.

## Development

```sh
git clone [email protected]:mxstbr/micro-github.git
```

Move `.env.example` to `.env` and fill in your GitHub API details and redirect url

```sh
npm run dev
```

The server will then be listening at `localhost:3000`, so set the authorization callback URL of your dev application on GitHub to `http://localhost:3000/callback`.

## Updating

The `master` branch of this repository is what you will be deploying. To update to a new version with potential bugfixes, all you have to do is run the `now` command again and then set the authorization callback URL on GitHub to the new URL that `now` gave you! 👌

## License