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- 27.10.2014
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Bitly.php
001 <?php
002 namespace OAuth\OAuth2\Service;
003
004 use OAuth\OAuth2\Token\StdOAuth2Token;
005 use OAuth\Common\Http\Exception\TokenResponseException;
006 use OAuth\Common\Http\Uri\Uri;
007 use OAuth\Common\Consumer\Credentials;
008 use OAuth\Common\Http\Client\ClientInterface;
009 use OAuth\Common\Storage\TokenStorageInterface;
010 use OAuth\Common\Http\Uri\UriInterface;
011
012 class Bitly extends AbstractService
013 {
014 public function __construct(Credentials $credentials, ClientInterface $httpClient, TokenStorageInterface $storage, $scopes = array(), UriInterface $baseApiUri = null)
015 {
016 parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
017 if( null === $baseApiUri ) {
018 $this->baseApiUri = new Uri('https://api-ssl.bitly.com/v3/');
019 }
020 }
021
022 /**
023 * @return \OAuth\Common\Http\Uri\UriInterface
024 */
025 public function getAuthorizationEndpoint()
026 {
027 return new Uri('https://bitly.com/oauth/authorize');
028 }
029
030 /**
031 * @return \OAuth\Common\Http\Uri\UriInterface
032 */
033 public function getAccessTokenEndpoint()
034 {
035 return new Uri('https://api-ssl.bitly.com/oauth/access_token');
036 }
037
038 /**
039 * @param string $responseBody
040 * @return \OAuth\Common\Token\TokenInterface|\OAuth\OAuth2\Token\StdOAuth2Token
041 * @throws \OAuth\Common\Http\Exception\TokenResponseException
042 */
043 protected function parseAccessTokenResponse($responseBody)
044 {
045 $data = json_decode( $responseBody, true );
046
047 if( null === $data || !is_array($data) ) {
048 throw new TokenResponseException('Unable to parse response.');
049 } elseif( isset($data['error'] ) ) {
050 throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
051 }
052
053 $token = new StdOAuth2Token();
054
055
056 $token->setAccessToken( $data['access_token'] );
057 // I'm invincible!!!
058 $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
059 unset( $data['access_token'] );
060 $token->setExtraParams( $data );
061
062 return $token;
063 }
064
065 /**
066 * Retrieves and stores the OAuth2 access token after a successful authorization.
067 *
068 * @param string $code The access code from the callback.
069 * @return \OAuth\OAuth2\Token\TokenInterface $token
070 * @throws TokenResponseException
071 */
072 public function requestAccessToken($code)
073 {
074 $bodyParams = array(
075 'code' => $code,
076 'client_id' => $this->credentials->getConsumerId(),
077 'client_secret' => $this->credentials->getConsumerSecret(),
078 'redirect_uri' => $this->credentials->getCallbackUrl(),
079 'grant_type' => 'authorization_code',
080 );
081
082 $responseBody = $this->httpClient->retrieveResponse($this->getAccessTokenEndpoint(), $bodyParams, $this->getExtraOAuthHeaders());
083
084 // we can scream what we want that we want bitly to return a json encoded string (format=json), but the
085 // WOAH WATCH YOUR LANGUAGE ;) service doesn't seem to like screaming, hence we need to manually parse the result
086 $parsedResult = array();
087 parse_str($responseBody, $parsedResult);
088
089 $token = $this->parseAccessTokenResponse( json_encode($parsedResult) );
090 $this->storage->storeAccessToken( $this->service(), $token );
091
092 return $token;
093 }
094
095 /**
096 * @return int
097 */
098 protected function getAuthorizationMethod()
099 {
100 return static::AUTHORIZATION_METHOD_QUERY_STRING;
101 }
102 }
103