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122 lines
3.0 KiB
122 lines
3.0 KiB
8 years ago
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<?php
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if ( ! class_exists( 'AIOSEOP_Opengraph_Public' ) ) {
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/**
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* Class aioseop_opengraph_public.
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*
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* Handles the public-facing duties of opengraph things
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*
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* @since 2.3.5
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*
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*/
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class AIOSEOP_Opengraph_Public {
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/**
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* Prepare twitter username for public display.
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*
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* We do things like strip out the URL, etc and return just (at)username.
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* At the moment, we'll check for 1 of 3 things... (at)username, username, and https://twitter.com/username.
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* In the future, we'll need to start validating the information on the way in, so we don't have to do it one the way out.
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*
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* @param $twitter_profile
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*
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* @return string
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* @since 2.3.5
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*/
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public static function prepare_twitter_username( $twitter_profile ) {
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//$twitter_profile = 'https://twitter.com/sdfsdfsf'; //testing purposes only, remove for release
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//test for valid twitter username, with or without @
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if ( preg_match( '/^(\@)?[A-Za-z0-9_]+$/', $twitter_profile ) ) {
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$twitter_profile = self::prepend_at_symbol( $twitter_profile );
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return $twitter_profile;
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}
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//check if it has twitter.com
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if ( strpos( $twitter_profile, 'twitter.com' ) ) {
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$twitter_profile = esc_url( $twitter_profile );
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$new_profile = self::twitter_url_to_user( $twitter_profile );
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if ( $new_profile ) {
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$new_profile = self::prepend_at_symbol( $new_profile );
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return $new_profile;
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}
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}
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//if all else fails, just send it back
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return $twitter_profile;
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}
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/**
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* @param $twitter_profile
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*
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* @return mixed
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* @since 2.3.5
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* @since 2.3.5.1 Bail if < WordPress 4.4 for now.
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*/
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public static function twitter_url_to_user( $twitter_profile ) {
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// If they're below 4.4 (no wp_parse_url) bail. We can improve this for <4.4 later or just hold out until we drop 4.4 support.
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if ( ! function_exists( 'wp_parse_url' ) ) {
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return $twitter_profile;
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}
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//extract the twitter username from the url
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$parsed_twitter_profile = wp_parse_url( $twitter_profile );
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$path = $parsed_twitter_profile['path'];
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$path_parts = explode( '/', $path );
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$twitter_profile = $path_parts[1];
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return $twitter_profile;
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}
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/**
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* @param $twitter_profile
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*
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* @return string
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* @since 2.3.5
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*
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* TODO- this claims to just validate, but it's actually validating and adding the AT symbol as needed rather than returning true/false
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*/
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public static function validate_twitter_profile( $twitter_profile ) {
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//test for valid twitter username, with or without @
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if ( preg_match( '/^(\@)?[A-Za-z0-9_]+$/', $twitter_profile ) ) {
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$twitter_profile = self::prepend_at_symbol( $twitter_profile );
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return $twitter_profile;
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}
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}
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/**
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* @param $twitter_profile
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*
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* @return string
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* @since 2.3.5
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*/
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public static function prepend_at_symbol( $twitter_profile ) {
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//checks for @ in the beginning, if it's not there adds it
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if ( '@' !== $twitter_profile[0] ) {
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$twitter_profile = '@' . $twitter_profile;
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}
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return $twitter_profile;
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}
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}
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}
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