Adapter.php
1 month ago
CtfOauthConnect.php
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MediaAdapter.php
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TweetAdapter.php
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TwitterHelperApi.php
1 month ago
UserAdapter.php
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TwitterHelperApi.php
152 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Class for requesting oauth2 access token. |
| 5 | * |
| 6 | * @package twitter-api-v2 |
| 7 | */ |
| 8 | |
| 9 | namespace TwitterFeed\V2; |
| 10 | |
| 11 | // Don't load directly. |
| 12 | if (! defined('ABSPATH')) { |
| 13 | die('-1'); |
| 14 | } |
| 15 | |
| 16 | /** |
| 17 | * TwitterHelperApi class. |
| 18 | */ |
| 19 | class TwitterHelperApi { |
| 20 | |
| 21 | /** |
| 22 | * Access token transient key. |
| 23 | * |
| 24 | * @const string |
| 25 | */ |
| 26 | const ACCESS_TOKEN_TRANSIENT_KEY = 'sb_twitter_oauth_bearer_access_token_cache'; |
| 27 | |
| 28 | /** |
| 29 | * Consumer key. |
| 30 | * |
| 31 | * @var string |
| 32 | */ |
| 33 | private $consumer_key; |
| 34 | |
| 35 | /** |
| 36 | * Consumer secret. |
| 37 | * @var string |
| 38 | */ |
| 39 | private $consumer_secret; |
| 40 | |
| 41 | /** |
| 42 | * Constructor. |
| 43 | * |
| 44 | * @param string $consumer_key Consumer key. |
| 45 | * @param string $consumer_secret Consumer secret. |
| 46 | */ |
| 47 | public function __construct($consumer_key, $consumer_secret) { |
| 48 | $this->consumer_key = $consumer_key; |
| 49 | $this->consumer_secret = $consumer_secret; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Get access token using consumer key and consumer secret. |
| 54 | * |
| 55 | * @param string $consumer_key Consumer Key. |
| 56 | * @param string $consumer_secret Consumer Secret. |
| 57 | * |
| 58 | * @return false|string |
| 59 | */ |
| 60 | public function getAccessToken($consumer_key, $consumer_secret) |
| 61 | { |
| 62 | $url = 'https://api.twitter.com/oauth2/token'; |
| 63 | |
| 64 | $args = [ |
| 65 | 'headers' => [ |
| 66 | 'Authorization' => 'Basic ' . base64_encode($consumer_key . ':' . $consumer_secret), |
| 67 | ], |
| 68 | 'body' => [ |
| 69 | 'grant_type' => 'client_credentials', |
| 70 | ], |
| 71 | ]; |
| 72 | |
| 73 | $response = wp_remote_post($url, $args); |
| 74 | |
| 75 | if (is_wp_error($response)) { |
| 76 | return false; |
| 77 | } |
| 78 | |
| 79 | $remote_post_response_body = wp_remote_retrieve_body($response); |
| 80 | $array_response = json_decode($remote_post_response_body, ARRAY_A); |
| 81 | |
| 82 | if (empty($array_response['access_token'])) { |
| 83 | return false; |
| 84 | } |
| 85 | |
| 86 | return $array_response['access_token']; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Check if cached twitter access token is valid . |
| 91 | * |
| 92 | * @param string $twitter_oauth_access_token_cache Access token cache. |
| 93 | * @param string $current_hash Current hash. |
| 94 | * |
| 95 | * @return bool |
| 96 | */ |
| 97 | public function isCachedTwitterAccessTokenValid($twitter_oauth_access_token_cache, $current_hash) |
| 98 | { |
| 99 | // If nothing is saved into the cache, invalidate cache. |
| 100 | if (false === $twitter_oauth_access_token_cache) { |
| 101 | return false; |
| 102 | } |
| 103 | |
| 104 | // If the reference hash is missing, invalidate cache. |
| 105 | if (empty($twitter_oauth_access_token_cache['reference_hash'])) { |
| 106 | return false; |
| 107 | } |
| 108 | |
| 109 | // If the consumer key and consumer secret got changed from the settings, invalidate cache. |
| 110 | if ($twitter_oauth_access_token_cache['reference_hash'] !== $current_hash) { |
| 111 | return false; |
| 112 | } |
| 113 | |
| 114 | // If the access token is empty, invalidate cache. |
| 115 | if (empty($twitter_oauth_access_token_cache['access_token'])) { |
| 116 | return false; |
| 117 | } |
| 118 | |
| 119 | return true; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Get cached twitter access token. |
| 124 | * |
| 125 | * @return null|string |
| 126 | */ |
| 127 | public function getCachedTwitterAccessToken() |
| 128 | { |
| 129 | $twitter_oauth_access_token_cache = get_transient(static::ACCESS_TOKEN_TRANSIENT_KEY); |
| 130 | $current_hash = md5($this->consumer_key . ':' . $this->consumer_secret); |
| 131 | |
| 132 | if (!$this->isCachedTwitterAccessTokenValid($twitter_oauth_access_token_cache, $current_hash)) { |
| 133 | $twitter_oauth_access_token = $this->getAccessToken($this->consumer_key, $this->consumer_secret); |
| 134 | |
| 135 | if ($twitter_oauth_access_token) { |
| 136 | set_transient( |
| 137 | 'sb_twitter_oauth_bearer_access_token_cache', |
| 138 | [ |
| 139 | 'access_token' => $twitter_oauth_access_token, |
| 140 | 'reference_hash' => $current_hash, |
| 141 | ], |
| 142 | MONTH_IN_SECONDS |
| 143 | ); |
| 144 | } |
| 145 | |
| 146 | return $twitter_oauth_access_token; |
| 147 | } |
| 148 | |
| 149 | return $twitter_oauth_access_token_cache['access_token']; |
| 150 | } |
| 151 | } |
| 152 |