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- Veröffentlicht
- 28.08.2024
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Buffer.php
001 <?php
002
003 namespace OAuth\OAuth2\Service;
004
005 use OAuth\Common\Consumer\CredentialsInterface;
006 use OAuth\Common\Http\Client\ClientInterface;
007 use OAuth\Common\Http\Exception\TokenResponseException;
008 use OAuth\Common\Http\Uri\Uri;
009 use OAuth\Common\Http\Uri\UriInterface;
010 use OAuth\Common\Storage\TokenStorageInterface;
011 use OAuth\OAuth2\Token\StdOAuth2Token;
012
013 /**
014 * Buffer API.
015 *
016 * @author Sumukh Sridhara <@sumukhsridhara>
017 *
018 * @see https://bufferapp.com/developers/api
019 */
020 class Buffer extends AbstractService
021 {
022 public function __construct(
023 CredentialsInterface $credentials,
024 ClientInterface $httpClient,
025 TokenStorageInterface $storage,
026 $scopes = [],
027 ?UriInterface $baseApiUri = null
028 ) {
029 parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
030 if ($baseApiUri === null) {
031 $this->baseApiUri = new Uri('https://api.bufferapp.com/1/');
032 }
033 }
034
035 /**
036 * {@inheritdoc}
037 */
038 public function getAuthorizationEndpoint()
039 {
040 return new Uri('https://bufferapp.com/oauth2/authorize');
041 }
042
043 /**
044 * {@inheritdoc}
045 */
046 public function getAccessTokenEndpoint()
047 {
048 return new Uri('https://api.bufferapp.com/1/oauth2/token.json');
049 }
050
051 /**
052 * {@inheritdoc}
053 */
054 protected function getAuthorizationMethod()
055 {
056 return static::AUTHORIZATION_METHOD_QUERY_STRING;
057 }
058
059 /**
060 * {@inheritdoc}
061 */
062 public function getAuthorizationUri(array $additionalParameters = [])
063 {
064 $parameters = array_merge(
065 $additionalParameters,
066 [
067 'client_id' => $this->credentials->getConsumerId(),
068 'redirect_uri' => $this->credentials->getCallbackUrl(),
069 'response_type' => 'code',
070 ]
071 );
072
073 // Build the url
074 $url = clone $this->getAuthorizationEndpoint();
075 foreach ($parameters as $key => $val) {
076 $url->addToQuery($key, $val);
077 }
078
079 return $url;
080 }
081
082 /**
083 * {@inheritdoc}
084 */
085 public function requestRequestToken()
086 {
087 $responseBody = $this->httpClient->retrieveResponse(
088 $this->getRequestTokenEndpoint(),
089 [
090 'client_key' => $this->credentials->getConsumerId(),
091 'redirect_uri' => $this->credentials->getCallbackUrl(),
092 'response_type' => 'code',
093 ]
094 );
095
096 $code = $this->parseRequestTokenResponse($responseBody);
097
098 return $code;
099 }
100
101 protected function parseRequestTokenResponse($responseBody)
102 {
103 parse_str($responseBody, $data);
104
105 if (null === $data || !is_array($data)) {
106 throw new TokenResponseException('Unable to parse response.');
107 } elseif (!isset($data['code'])) {
108 throw new TokenResponseException('Error in retrieving code.');
109 }
110
111 return $data['code'];
112 }
113
114 public function requestAccessToken($code, $state = null)
115 {
116 $bodyParams = [
117 'client_id' => $this->credentials->getConsumerId(),
118 'client_secret' => $this->credentials->getConsumerSecret(),
119 'redirect_uri' => $this->credentials->getCallbackUrl(),
120 'code' => $code,
121 'grant_type' => 'authorization_code',
122 ];
123
124 $responseBody = $this->httpClient->retrieveResponse(
125 $this->getAccessTokenEndpoint(),
126 $bodyParams,
127 $this->getExtraOAuthHeaders()
128 );
129 $token = $this->parseAccessTokenResponse($responseBody);
130 $this->storage->storeAccessToken($this->service(), $token);
131
132 return $token;
133 }
134
135 protected function parseAccessTokenResponse($responseBody)
136 {
137 $data = json_decode($responseBody, true);
138
139 if ($data === null || !is_array($data)) {
140 throw new TokenResponseException('Unable to parse response.');
141 } elseif (isset($data['error'])) {
142 throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
143 }
144
145 $token = new StdOAuth2Token();
146 $token->setAccessToken($data['access_token']);
147
148 $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
149 unset($data['access_token']);
150 $token->setExtraParams($data);
151
152 return $token;
153 }
154 }
155