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<?php |
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// Exit if accessed directly |
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if ( !defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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/** |
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* Twitter Class |
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* |
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* Handles all twitter functions |
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* |
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*/ |
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if( !class_exists( 'PPP_Twitter_User' ) ) { |
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class PPP_Twitter_User { |
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public function __construct( $_user_id = 0 ) { |
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ppp_maybe_start_session(); |
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$this->user_id = $_user_id; |
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if ( ! empty( $this->user_id ) ) { |
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$this->verify_credentials(); |
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} |
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} |
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/** |
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* Include Twitter Class |
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* |
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* Handles to load twitter class |
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*/ |
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public function load() { |
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if( !class_exists( 'TwitterOAuth' ) ) { |
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require_once ( PPP_PATH . '/includes/libs/twitter/twitteroauth.php' ); |
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} |
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ppp_set_social_tokens(); |
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if ( ! defined( 'PPP_TW_CONSUMER_KEY' ) || ! defined( 'PPP_TW_CONSUMER_SECRET' ) ) { |
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return false; |
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} |
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$this->twitter = new TwitterOAuth( PPP_TW_CONSUMER_KEY, PPP_TW_CONSUMER_SECRET ); |
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return true; |
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} |
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public function revoke_access() { |
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delete_user_meta( $this->user_id, '_ppp_twitter_data' ); |
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} |
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/** |
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* Initializes Twitter API |
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* |
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*/ |
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public function init() { |
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//when user is going to logged in in twitter and verified successfully session will create |
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if ( isset( $_REQUEST['oauth_verifier'] ) ) { |
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//load twitter class |
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$twitter = $this->load(); |
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$this->twitter = new TwitterOAuth( PPP_TW_CONSUMER_KEY, PPP_TW_CONSUMER_SECRET, $_SESSION['ppp_user_twt_oauth_token'], $_SESSION['ppp_user_twt_oauth_token_secret'] ); |
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// Request access tokens from twitter |
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$ppp_tw_access_token = $this->twitter->getAccessToken( $_REQUEST['oauth_verifier'] ); |
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//session for verifier |
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$verifier['oauth_verifier'] = $_REQUEST['oauth_verifier']; |
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$_SESSION[ 'ppp_twt_user_cache' ] = $verifier; |
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//getting user data from twitter |
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$response = $this->twitter->get( 'account/verify_credentials' ); |
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//if user data get successfully |
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if ( $response->id_str ) { |
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$data['user'] = $response; |
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$data['user']->accessToken = $ppp_tw_access_token; |
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update_user_meta( $this->user_id, '_ppp_twitter_data', $data ); |
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} |
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} |
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} |
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public function verify_credentials() { |
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$this->load(); |
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$user_settings = get_user_meta( $this->user_id, '_ppp_twitter_data', true ); |
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if ( ! empty( $user_settings ) ) { |
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$this->twitter = new TwitterOAuth( |
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PPP_TW_CONSUMER_KEY, |
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PPP_TW_CONSUMER_SECRET, |
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$user_settings['user']->accessToken['oauth_token'], |
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$user_settings['user']->accessToken['oauth_token_secret'] |
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); |
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$response = $this->twitter->get('account/verify_credentials'); |
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if ( is_object( $response ) && property_exists( $response, 'errors' ) && count( $response->errors ) > 0 ) { |
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foreach ( $response->errors as $error ) { |
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if ( $error->code == 89 ) { // Expired or revoked tokens |
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$this->revoke_access(); |
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return array( 'error' => __( 'Post Promoter Pro has been removed from your Twitter account. Please reauthorize to continue promoting your content.', 'ppp-txt' ) ); |
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} |
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} |
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} |
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} |
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return true; |
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} |
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/** |
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* Get auth url for twitter |
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* |
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*/ |
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public function get_auth_url ( $return_url = '' ) { |
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if ( empty( $return_url ) ) { |
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$return_url = admin_url( 'admin.php?page=ppp-social-settings' ); |
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} |
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//load twitter class |
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$twitter = $this->load(); |
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$request_token = $this->twitter->getRequestToken( 'oob' ); |
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// If last connection failed don't display authorization link. |
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switch( $this->twitter->http_code ) { |
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case 200: |
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$_SESSION['ppp_user_twt_oauth_token'] = $request_token['oauth_token']; |
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$_SESSION['ppp_user_twt_oauth_token_secret'] = $request_token['oauth_token_secret']; |
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$token = $request_token['oauth_token']; |
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$url = $this->twitter->getAuthorizeURL( $token, NULL ); |
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break; |
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default: |
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$url = ''; |
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break; |
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} |
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return $url; |
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} |
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public function send_tweet( $message = '', $media = null ) { |
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if ( empty( $message ) ) { |
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return false; |
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} |
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$verify = $this->verify_credentials(); |
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if ( $verify === true ) { |
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$args = array(); |
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if ( ! empty( $media ) ) { |
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$endpoint = 'statuses/update_with_media'; |
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$args['media[]'] = wp_remote_retrieve_body( wp_remote_get( $media ) ); |
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} else { |
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$endpoint = 'statuses/update'; |
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} |
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$args['status'] = $message; |
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return $this->twitter->post( $endpoint, $args, true ); |
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} else { |
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return false; |
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} |
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} |
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public function retweet( $tweet_id ) { |
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if ( empty( $tweet_id ) ) { |
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return false; |
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} |
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$verify = $this->verify_credentials(); |
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if ( $verify === true ) { |
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$endpoint = 'statuses/retweet/' . $tweet_id; |
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return $this->twitter->post( $endpoint, array(), true ); |
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} else { |
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return false; |
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} |
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} |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: