wiki-grav/plugins/login-oauth2/vendor/league/oauth2-github/README.md

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# Github Provider for OAuth 2.0 Client
[![Latest Version](https://img.shields.io/github/release/thephpleague/oauth2-github.svg?style=flat-square)](https://github.com/thephpleague/oauth2-github/releases)
[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE.md)
[![Build Status](https://img.shields.io/travis/thephpleague/oauth2-github/master.svg?style=flat-square)](https://travis-ci.org/thephpleague/oauth2-github)
[![Coverage Status](https://img.shields.io/scrutinizer/coverage/g/thephpleague/oauth2-github.svg?style=flat-square)](https://scrutinizer-ci.com/g/thephpleague/oauth2-github/code-structure)
[![Quality Score](https://img.shields.io/scrutinizer/g/thephpleague/oauth2-github.svg?style=flat-square)](https://scrutinizer-ci.com/g/thephpleague/oauth2-github)
[![Total Downloads](https://img.shields.io/packagist/dt/league/oauth2-github.svg?style=flat-square)](https://packagist.org/packages/league/oauth2-github)
This package provides Github OAuth 2.0 support for the PHP League's [OAuth 2.0 Client](https://github.com/thephpleague/oauth2-client).
## Installation
To install, use composer:
```
composer require league/oauth2-github
```
## Usage
Usage is the same as The League's OAuth client, using `\League\OAuth2\Client\Provider\Github` as the provider.
### Authorization Code Flow
```php
$provider = new League\OAuth2\Client\Provider\Github([
'clientId' => '{github-client-id}',
'clientSecret' => '{github-client-secret}',
'redirectUri' => 'https://example.com/callback-url',
]);
if (!isset($_GET['code'])) {
// If we don't have an authorization code then get one
$authUrl = $provider->getAuthorizationUrl();
$_SESSION['oauth2state'] = $provider->getState();
header('Location: '.$authUrl);
exit;
// Check given state against previously stored one to mitigate CSRF attack
} elseif (empty($_GET['state']) || ($_GET['state'] !== $_SESSION['oauth2state'])) {
unset($_SESSION['oauth2state']);
exit('Invalid state');
} else {
// Try to get an access token (using the authorization code grant)
$token = $provider->getAccessToken('authorization_code', [
'code' => $_GET['code']
]);
// Optional: Now you have a token you can look up a users profile data
try {
// We got an access token, let's now get the user's details
$user = $provider->getResourceOwner($token);
// Use these details to create a new profile
printf('Hello %s!', $user->getNickname());
} catch (Exception $e) {
// Failed to get user details
exit('Oh dear...');
}
// Use this to interact with an API on the users behalf
echo $token->getToken();
}
```
### Managing Scopes
When creating your Github authorization URL, you can specify the state and scopes your application may authorize.
```php
$options = [
'state' => 'OPTIONAL_CUSTOM_CONFIGURED_STATE',
'scope' => ['user','user:email','repo'] // array or string
];
$authorizationUrl = $provider->getAuthorizationUrl($options);
```
If neither are defined, the provider will utilize internal defaults.
At the time of authoring this documentation, the [following scopes are available](https://developer.github.com/v3/oauth/#scopes).
- user
- user:email
- user:follow
- public_repo
- repo
- repo_deployment
- repo:status
- delete_repo
- notifications
- gist
- read:repo_hook
- write:repo_hook
- admin:repo_hook
- admin:org_hook
- read:org
- write:org
- admin:org
- read:public_key
- write:public_key
- admin:public_key
## Testing
``` bash
$ ./vendor/bin/phpunit
```
## Contributing
Please see [CONTRIBUTING](https://github.com/thephpleague/oauth2-github/blob/master/CONTRIBUTING.md) for details.
## Credits
- [Steven Maguire](https://github.com/stevenmaguire)
- [All Contributors](https://github.com/thephpleague/oauth2-github/contributors)
## License
The MIT License (MIT). Please see [License File](https://github.com/thephpleague/oauth2-github/blob/master/LICENSE) for more information.