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Client.php
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Client.php
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<?php
namespace OAuth2;
class Client
{
public
$connection = null
, $id = ''
, $options = ''
, $secret = ''
, $site = ''
;
public function __construct($client_id, $client_secret, $opts = array())
{
$this->id = $client_id;
$this->secret = $client_secret;
if (isset($opts['site'])) {
$this->site = $opts['site'];
unset($opts['site']);
}
// Default options
$this->options = array_merge(array(
'authorize_url' => '/oauth/authorize'
, 'token_url' => '/oauth/token'
, 'token_method' => 'POST'
, 'connection_opts' => array()
, 'max_redirects' => 5
, 'raise_errors' => true
), $opts);
// Connection object using Guzzle
$this->connection = new \Guzzle\Service\Client($this->site);
}
/**
* The Authorization Code strategy
*
* @return \OAuth2\Strategy\AuthCode
*/
public function auth_code()
{
$this->auth_code = isset($this->auth_code) ? $this->auth_code : new \OAuth2\Strategy\AuthCode($this);
return $this->auth_code;
}
/**
* The authorize endpoint URL of the OAuth2 provider
*
* @param array $params Additional query parameters
* @return string
*/
public function authorize_url($params = array())
{
$authorize_url = (strpos($this->options['authorize_url'], 'http') === 0) ? $this->options['authorize_url'] : $this->site.$this->options['authorize_url'];
return (count($params)) ? $authorize_url.'?'.http_build_query($params) : $authorize_url;
}
/**
* Initializes an AccessToken by making a request to the token endpoint
*
* @param array $params An array of params for the token endpoint
* @param array $access Token options, to pass to the AccessToken object
* @return \OAuth2\AccessToken
*/
public function get_token($params = array(), $access_token_opts = array())
{
$opts = array(
'raise_errors' => true
, 'parse' => isset($params['parse']) ? $params['parse'] : 'automatic'
);
unset($params['parse']);
if ($this->options['token_method'] === 'POST') {
$opts['params'] = $params;
$opts['headers'] = array('Content-Type' => 'x-www-form-urlencoded');
} else {
$opts['params'] = http_build_query($params);
}
// Make request
$response = $this->request($this->options['token_method'], $this->token_url(), $opts);
// Handle response
$parsedResponse = $response->parse();
if (!is_array($parsedResponse) && !isset($parsedResponse['access_token'])) {
throw new \OAuth2\Error($response);
}
// Return access token
return \OAuth2\AccessToken::from_hash($this, array_merge($parsedResponse, $access_token_opts));
}
/**
* The Resource Owner Password Credentials strategy
*
* @return \OAuth2\Strategy\Password
*/
public function password()
{
$this->password = $this->password ? $this->password : new \OAuth2\Strategy\Password($this);
return $this->password;
}
/**
* Return either an empty array or an array containing the redirect_uri
*
* @return array
*/
public function redirect_uri()
{
return isset($this->options['redirect_uri']) ? array('redirect_uri' => $this->options['redirect_uri']) : array();
}
/**
* Makes a request relative to the specified site root.
*
* @param string $verb One of the following http method: GET, POST, PUT, DELETE
* @param string $url URL path of the request
* @param array $opts The options to make the request with (possible options: params (array), body (string), headers (array), raise_errors (boolean), parse ('automatic', 'query' or 'json')
*/
public function request($verb, $url, $opts = array())
{
// Set some default options
$opts = array_merge(array(
'params' => array()
, 'body' => ''
, 'headers' => array()
, 'raise_errors' => $this->options['raise_errors']
, 'parse' => 'automatic'
), $opts);
// Create the request
switch ($verb) {
case 'DELETE':
$request = $this->connection->delete($url, $opts['headers']);
$request->getQuery()->merge($opts['params']);
break;
case 'POST':
$request = $this->connection->post($url, $opts['headers'], $opts['params']);
break;
case 'PUT':
$request = $this->connection->put($url, $opts['headers'], $opts['body']);
break;
case 'GET':
default:
$request = $this->connection->get($url, $opts['headers'], $opts['body']);
$request->getQuery()->merge($opts['params']);
break;
}
// Send request and use the returned HttpMessage to create an \OAuth2\Response object
$response = new \OAuth2\Response($request->send(), array('parse' => $opts['parse']));
// Response handling
if (in_array($response->status(), range(200, 299))) {
return $response;
} else if (in_array($response->status(), range(300, 399))) {
$opts['redirect_count'] = $opts['redirect_count'] || 0;
$opts['redirect_count'] += 1;
if ($opts['redirect_count'] > $this->options['max_redirects']) {
return $response;
}
if ($response->status() === 303) {
$verb = 'GET';
$opts['body'] = '';
}
$headers = $response->headers();
$this->request($verb, $headers['location'], $opts);
} else if (in_array($response->status(), range(400, 599))) {
$e = new \OAuth2\Error($response);
if ($opts['raise_errors'] || $this->options['raise_errors']) {
throw $e;
}
$response->error = $e;
return $response;
} else {
throw new \OAuth2\Error($response);
}
}
/**
* The token endpoint URL of the OAuth2 provider
*
* @param array $params Additional query parameters
* @return string
*/
public function token_url($params = array())
{
$token_url = (strpos($this->options['token_url'], 'http') === 0) ? $this->options['token_url'] : $this->site.$this->options['token_url'];
return (count($params)) ? $token_url.'?'.http_build_query($params) : $token_url;
}
}