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<?php |
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if ( ! function_exists( 'url_to_authorid' ) ) : |
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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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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 ( parse_url( site_url(), PHP_URL_HOST ) != 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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endif; |
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|
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if ( ! function_exists( 'get_user_by_various' ) ) : |
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/** |
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* Convenience method to get user data by ID, username, object or from current user. |
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* |
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* @param mixed $id_or_name_or_object the username, ID or object. If not provided, the current user will be used. |
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* |
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* @return bool|object False on failure, User DB row object |
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* |
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* @author Will Norris |
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* |
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* @see get_user_by_various() # DiSo OpenID-Plugin |
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*/ |
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function get_user_by_various( $id_or_name_or_object = null ) { |
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if ( null === $id_or_name_or_object ) { |
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$user = wp_get_current_user(); |
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if ( null == $user ) { |
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return false; |
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} |
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return $user; |
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} elseif ( is_object( $id_or_name_or_object ) ) { |
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return $id_or_name_or_object; |
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} elseif ( is_numeric( $id_or_name_or_object ) ) { |
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return get_user_by( 'id', $id_or_name_or_object ); |
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} else { |
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return get_user_by( 'login', $id_or_name_or_object ); |
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} |
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} |
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endif; |
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|
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/** |
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* Build WebFinger endpoint |
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* |
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* @return string The WebFinger URL |
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*/ |
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function get_webfinger_endpoint() { |
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global $wp_rewrite; |
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|
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$permalink = $wp_rewrite->get_feed_permastruct(); |
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if ( '' != $permalink ) { |
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$url = home_url( '/.well-known/webfinger' ); |
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} else { |
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$url = add_query_arg( 'well-known', 'webfinger', home_url( '/' ) ); |
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} |
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|
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return $url; |
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} |
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|
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/** |
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* Returns all WebFinger "resources" |
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* |
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* @param mixed $id_or_name_or_object |
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* |
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* @return string The user-resource |
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*/ |
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function get_webfinger_resource( $id_or_name_or_object, $with_protocol = true ) { |
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return Webfinger::get_user_resource( $id_or_name_or_object, $with_protocol ); |
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} |
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|
