WordPressを読む 96-1 /blog/wp-includes/pluggable.php 1
/blog/wp-includes/pluggable.php
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If plugins do not redefine these * functions, then these will be used instead. * * @package WordPress */ if ( !function_exists('wp_set_current_user') ) : /** * Changes the current user by ID or name. * * Set $id to null and specify a name if you do not know a user's ID. * * Some WordPress functionality is based on the current user and not based on * the signed in user. Therefore, it opens the ability to edit and perform * actions on users who aren't signed in. * * @since 2.0.3 * @global object $current_user The current user object which holds the user data. * * @param int $id User ID * @param string $name User's username * @return WP_User Current user User object */ function wp_set_current_user($id, $name = '') { global $current_user; if ( isset( $current_user ) && ( $current_user instanceof WP_User ) && ( $id == $current_user->ID ) ) return $current_user; $current_user = new WP_User( $id, $name ); setup_userdata( $current_user->ID ); /** * Fires after the current user is set. * * @since 2.0.1 */ do_action( 'set_current_user' ); return $current_user; } endif; if ( !function_exists('wp_get_current_user') ) : /** * Retrieve the current user object. * * @since 2.0.3 * * @return WP_User Current user WP_User object */ function wp_get_current_user() { global $current_user; get_currentuserinfo(); return $current_user; } endif; if ( !function_exists('get_currentuserinfo') ) : /** * Populate global variables with information about the currently logged in user. * * Will set the current user, if the current user is not set. The current user * will be set to the logged-in person. If no user is logged-in, then it will * set the current user to 0, which is invalid and won't have any permissions. * * @since 0.71 * * @uses $current_user Checks if the current user is set * @uses wp_validate_auth_cookie() Retrieves current logged in user. * * @return bool|null False on XML-RPC Request and invalid auth cookie. Null when current user set. */ function get_currentuserinfo() { global $current_user; if ( ! empty( $current_user ) ) { if ( $current_user instanceof WP_User ) return; // Upgrade stdClass to WP_User if ( is_object( $current_user ) && isset( $current_user->ID ) ) { $cur_id = $current_user->ID; $current_user = null; wp_set_current_user( $cur_id ); return; } // $current_user has a junk value. Force to WP_User with ID 0. $current_user = null; wp_set_current_user( 0 ); return false; } if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST ) { wp_set_current_user( 0 ); return false; } /** * Filter the current user. * * The default filters use this to determine the current user from the * request's cookies, if available. * * Returning a value of false will effectively short-circuit setting * the current user. * * @since 3.9.0 * * @param int|bool $user_id User ID if one has been determined, false otherwise. */ $user_id = apply_filters( 'determine_current_user', false ); if ( ! $user_id ) { wp_set_current_user( 0 ); return false; } wp_set_current_user( $user_id ); } endif; if ( !function_exists('get_userdata') ) : /** * Retrieve user info by user ID. * * @since 0.71 * * @param int $user_id User ID * @return WP_User|bool WP_User object on success, false on failure. */ function get_userdata( $user_id ) { return get_user_by( 'id', $user_id ); } endif; if ( !function_exists('get_user_by') ) : /** * Retrieve user info by a given field * * @since 2.8.0 * * @param string $field The field to retrieve the user with. id | slug | email | login * @param int|string $value A value for $field. A user ID, slug, email address, or login name. * @return WP_User|bool WP_User object on success, false on failure. */ function get_user_by( $field, $value ) { $userdata = WP_User::get_data_by( $field, $value ); if ( !$userdata ) return false; $user = new WP_User; $user->init( $userdata ); return $user; } endif; if ( !function_exists('cache_users') ) : /** * Retrieve info for user lists to prevent multiple queries by get_userdata() * * @since 3.0.0 * * @param array $user_ids User ID numbers list */ function cache_users( $user_ids ) { global $wpdb; $clean = _get_non_cached_ids( $user_ids, 'users' ); if ( empty( $clean ) ) return; $list = implode( ',', $clean ); $users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" ); $ids = array(); foreach ( $users as $user ) { update_user_caches( $user ); $ids[] = $user->ID; } update_meta_cache( 'user', $ids ); } endif; if ( !function_exists( 'wp_mail' ) ) : /** * Send mail, similar to PHP's mail * * A true return value does not automatically mean that the user received the * email successfully. It just only means that the method used was able to * process the request without any errors. * * Using the two 'wp_mail_from' and 'wp_mail_from_name' hooks allow from * creating a from address like 'Name <email@address.com>' when both are set. If * just 'wp_mail_from' is set, then just the email address will be used with no * name. * * The default content type is 'text/plain' which does not allow using HTML. * However, you can set the content type of the email by using the * 'wp_mail_content_type' filter. * * The default charset is based on the charset used on the blog. The charset can * be set using the 'wp_mail_charset' filter. * * @since 1.2.1 * * @uses PHPMailer * * @param string|array $to Array or comma-separated list of email addresses to send message. * @param string $subject Email subject * @param string $message Message contents * @param string|array $headers Optional. Additional headers. * @param string|array $attachments Optional. Files to attach. * @return bool Whether the email contents were sent successfully. */ function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) { // Compact the input, apply the filters, and extract them back out /** * Filter the wp_mail() arguments. * * @since 2.2.0 * * @param array $args A compacted array of wp_mail() arguments, including the "to" email, * subject, message, headers, and attachments values. */ $atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) ); if ( isset( $atts['to'] ) ) { $to = $atts['to']; } if ( isset( $atts['subject'] ) ) { $subject = $atts['subject']; } if ( isset( $atts['message'] ) ) { $message = $atts['message']; } if ( isset( $atts['headers'] ) ) { $headers = $atts['headers']; } if ( isset( $atts['attachments'] ) ) { $attachments = $atts['attachments']; } if ( ! is_array( $attachments ) ) { $attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) ); } global $phpmailer; // (Re)create it, if it's gone missing if ( !is_object( $phpmailer ) || !is_a( $phpmailer, 'PHPMailer' ) ) { require_once ABSPATH . WPINC . '/class-phpmailer.php'; require_once ABSPATH . WPINC . '/class-smtp.php'; $phpmailer = new PHPMailer( true ); } // Headers if ( empty( $headers ) ) { $headers = array(); } else { if ( !is_array( $headers ) ) { // Explode the headers out, so this function can take both // string headers and an array of headers. $tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) ); } else { $tempheaders = $headers; } $headers = array(); $cc = array(); $bcc = array(); // If it's actually got contents if ( !empty( $tempheaders ) ) { // Iterate through the raw headers foreach ( (array) $tempheaders as $header ) { if ( strpos($header, ':') === false ) { if ( false !== stripos( $header, 'boundary=' ) ) { $parts = preg_split('/boundary=/i', trim( $header ) ); $boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) ); } continue; } // Explode them out list( $name, $content ) = explode( ':', trim( $header ), 2 ); // Cleanup crew $name = trim( $name ); $content = trim( $content ); switch ( strtolower( $name ) ) { // Mainly for legacy -- process a From: header if it's there case 'from': if ( strpos($content, '<' ) !== false ) { // So... making my life hard again? $from_name = substr( $content, 0, strpos( $content, '<' ) - 1 ); $from_name = str_replace( '"', '', $from_name ); $from_name = trim( $from_name ); $from_email = substr( $content, strpos( $content, '<' ) + 1 ); $from_email = str_replace( '>', '', $from_email ); $from_email = trim( $from_email ); } else { $from_email = trim( $content ); } break; case 'content-type': if ( strpos( $content, ';' ) !== false ) { list( $type, $charset ) = explode( ';', $content ); $content_type = trim( $type ); if ( false !== stripos( $charset, 'charset=' ) ) { $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset ) ); } elseif ( false !== stripos( $charset, 'boundary=' ) ) { $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset ) ); $charset = ''; } } else { $content_type = trim( $content ); } break; case 'cc': $cc = array_merge( (array) $cc, explode( ',', $content ) ); break; case 'bcc': $bcc = array_merge( (array) $bcc, explode( ',', $content ) ); break; default: // Add it to our grand headers array $headers[trim( $name )] = trim( $content ); break; } } } } // Empty out the values that may be set $phpmailer->ClearAllRecipients(); $phpmailer->ClearAttachments(); $phpmailer->ClearCustomHeaders(); $phpmailer->ClearReplyTos(); // From email and name // If we don't have a name from the input headers if ( !isset( $from_name ) ) $from_name = 'WordPress'; /* If we don't have an email from the input headers default to wordpress@$sitename * Some hosts will block outgoing mail from this address if it doesn't exist but * there's no easy alternative. Defaulting to admin_email might appear to be another * option but some hosts may refuse to relay mail from an unknown domain. See * http://trac.wordpress.org/ticket/5007. */ if ( !isset( $from_email ) ) { // Get the site domain and get rid of www. $sitename = strtolower( $_SERVER['SERVER_NAME'] ); if ( substr( $sitename, 0, 4 ) == 'www.' ) { $sitename = substr( $sitename, 4 ); } $from_email = 'wordpress@' . $sitename; } /** * Filter the email address to send from. * * @since 2.2.0 * * @param string $from_email Email address to send from. */ $phpmailer->From = apply_filters( 'wp_mail_from', $from_email ); /** * Filter the name to associate with the "from" email address. * * @since 2.3.0 * * @param string $from_name Name associated with the "from" email address. */ $phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name ); // Set destination addresses if ( !is_array( $to ) ) $to = explode( ',', $to ); foreach ( (array) $to as $recipient ) { try { // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>" $recipient_name = ''; if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) { if ( count( $matches ) == 3 ) { $recipient_name = $matches[1]; $recipient = $matches[2]; } } $phpmailer->AddAddress( $recipient, $recipient_name); } catch ( phpmailerException $e ) { continue; } } // Set mail's subject and body $phpmailer->Subject = $subject; $phpmailer->Body = $message; // Add any CC and BCC recipients if ( !empty( $cc ) ) { foreach ( (array) $cc as $recipient ) { try { // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>" $recipient_name = ''; if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) { if ( count( $matches ) == 3 ) { $recipient_name = $matches[1]; $recipient = $matches[2]; } } $phpmailer->AddCc( $recipient, $recipient_name ); } catch ( phpmailerException $e ) { continue; } } } if ( !empty( $bcc ) ) { foreach ( (array) $bcc as $recipient) { try { // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>" $recipient_name = ''; if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) { if ( count( $matches ) == 3 ) { $recipient_name = $matches[1]; $recipient = $matches[2]; } } $phpmailer->AddBcc( $recipient, $recipient_name ); } catch ( phpmailerException $e ) { continue; } } } // Set to use PHP's mail() $phpmailer->IsMail(); // Set Content-Type and charset // If we don't have a content-type from the input headers if ( !isset( $content_type ) ) $content_type = 'text/plain'; /** * Filter the wp_mail() content type. * * @since 2.3.0 * * @param string $content_type Default wp_mail() content type. */ $content_type = apply_filters( 'wp_mail_content_type', $content_type ); $phpmailer->ContentType = $content_type; // Set whether it's plaintext, depending on $content_type if ( 'text/html' == $content_type ) $phpmailer->IsHTML( true ); // If we don't have a charset from the input headers if ( !isset( $charset ) ) $charset = get_bloginfo( 'charset' ); // Set the content-type and charset /** * Filter the default wp_mail() charset. * * @since 2.3.0 * * @param string $charset Default email charset. */ $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset ); // Set custom headers if ( !empty( $headers ) ) { foreach( (array) $headers as $name => $content ) { $phpmailer->AddCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) ); } if ( false !== stripos( $content_type, 'multipart' ) && ! empty($boundary) ) $phpmailer->AddCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) ); } if ( !empty( $attachments ) ) { foreach ( $attachments as $attachment ) { try { $phpmailer->AddAttachment($attachment); } catch ( phpmailerException $e ) { continue; } } } /** * Fires after PHPMailer is initialized. * * @since 2.2.0 * * @param PHPMailer &$phpmailer The PHPMailer instance, passed by reference. */ do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) ); // Send! try { return $phpmailer->Send(); } catch ( phpmailerException $e ) { return false; } } endif; |