1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
<?php
namespace OAuth\OAuth2\Service;
use OAuth\OAuth2\Token\StdOAuth2Token;
use OAuth\Common\Http\Exception\TokenResponseException;
use OAuth\Common\Http\Uri\Uri;
use OAuth\Common\Consumer\CredentialsInterface;
use OAuth\Common\Http\Uri\UriInterface;
use OAuth\Common\Storage\TokenStorageInterface;
use OAuth\Common\Http\Client\ClientInterface;
/**
* Buffer API.
* @author Sumukh Sridhara <@sumukhsridhara>
* @link https://bufferapp.com/developers/api
*/
class Buffer extends AbstractService
{
public function __construct(
CredentialsInterface $credentials,
ClientInterface $httpClient,
TokenStorageInterface $storage,
$scopes = array(),
UriInterface $baseApiUri = null
) {
parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
if ($baseApiUri === null) {
$this->baseApiUri = new Uri('https://api.bufferapp.com/1/');
}
}
/**
* {@inheritdoc}
*/
public function getAuthorizationEndpoint()
{
return new Uri('https://bufferapp.com/oauth2/authorize');
}
/**
* {@inheritdoc}
*/
public function getAccessTokenEndpoint()
{
return new Uri('https://api.bufferapp.com/1/oauth2/token.json');
}
/**
* {@inheritdoc}
*/
protected function getAuthorizationMethod()
{
return static::AUTHORIZATION_METHOD_QUERY_STRING;
}
/**
* {@inheritdoc}
*/
public function getAuthorizationUri(array $additionalParameters = array())
{
$parameters = array_merge(
$additionalParameters,
array(
'client_id' => $this->credentials->getConsumerId(),
'redirect_uri' => $this->credentials->getCallbackUrl(),
'response_type' => 'code',
)
);
// Build the url
$url = clone $this->getAuthorizationEndpoint();
foreach ($parameters as $key => $val) {
$url->addToQuery($key, $val);
}
return $url;
}
/**
* {@inheritdoc}
*/
public function requestRequestToken()
{
$responseBody = $this->httpClient->retrieveResponse(
$this->getRequestTokenEndpoint(),
array(
'client_key' => $this->credentials->getConsumerId(),
'redirect_uri' => $this->credentials->getCallbackUrl(),
'response_type' => 'code',
)
);
$code = $this->parseRequestTokenResponse($responseBody);
return $code;
}
protected function parseRequestTokenResponse($responseBody)
{
parse_str($responseBody, $data);
if (null === $data || !is_array($data)) {
throw new TokenResponseException('Unable to parse response.');
} elseif (!isset($data['code'])) {
throw new TokenResponseException('Error in retrieving code.');
}
return $data['code'];
}
public function requestAccessToken($code)
{
$bodyParams = array(
'client_id' => $this->credentials->getConsumerId(),
'client_secret' => $this->credentials->getConsumerSecret(),
'redirect_uri' => $this->credentials->getCallbackUrl(),
'code' => $code,
'grant_type' => 'authorization_code',
);
$responseBody = $this->httpClient->retrieveResponse(
$this->getAccessTokenEndpoint(),
$bodyParams,
$this->getExtraOAuthHeaders()
);
$token = $this->parseAccessTokenResponse($responseBody);
$this->storage->storeAccessToken($this->service(), $token);
return $token;
}
protected function parseAccessTokenResponse($responseBody)
{
$data = json_decode($responseBody, true);
if ($data === null || !is_array($data)) {
throw new TokenResponseException('Unable to parse response.');
} elseif (isset($data['error'])) {
throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
}
$token = new StdOAuth2Token();
$token->setAccessToken($data['access_token']);
$token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
unset($data['access_token']);
$token->setExtraParams($data);
return $token;
}
}
|
