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<?php |
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namespace Activitypub\Peer; |
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|
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/** |
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* ActivityPub Users DB-Class |
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* |
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* @author Matthias Pfefferle |
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*/ |
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class Users { |
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|
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/** |
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* Undocumented function |
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* |
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* @return void |
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*/ |
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public static function get_user_by_various( $data ) { |
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|
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} |
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|
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/** |
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* Examine a url and try to determine the author ID it represents. |
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* |
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* Checks are supposedly from the hosted site blog. |
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* |
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* @param string $url Permalink to check. |
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* |
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* @return int User ID, or 0 on failure. |
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*/ |
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public static function url_to_authorid( $url ) { |
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global $wp_rewrite; |
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|
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// check if url hase the same host |
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if ( \wp_parse_url( \site_url(), \PHP_URL_HOST ) !== \wp_parse_url( $url, \PHP_URL_HOST ) ) { |
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return 0; |
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} |
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|
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// first, check to see if there is a 'author=N' to match against |
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if ( \preg_match( '/[?&]author=(\d+)/i', $url, $values ) ) { |
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$id = \absint( $values[1] ); |
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if ( $id ) { |
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return $id; |
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} |
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} |
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|
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// check to see if we are using rewrite rules |
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$rewrite = $wp_rewrite->wp_rewrite_rules(); |
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|
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// not using rewrite rules, and 'author=N' method failed, so we're out of options |
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if ( empty( $rewrite ) ) { |
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return 0; |
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} |
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|
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// generate rewrite rule for the author url |
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$author_rewrite = $wp_rewrite->get_author_permastruct(); |
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$author_regexp = \str_replace( '%author%', '', $author_rewrite ); |
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|
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// match the rewrite rule with the passed url |
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if ( \preg_match( '/https?:\/\/(.+)' . \preg_quote( $author_regexp, '/' ) . '([^\/]+)/i', $url, $match ) ) { |
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$user = \get_user_by( 'slug', $match[2] ); |
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if ( $user ) { |
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return $user->ID; |
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} |
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} |
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|
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return 0; |
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} |
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} |
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|
