Add metadata to New Follower E-Mail

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+* Added metadata to New Follower E-Mail
 * Manually granting `activitypub` cap no longer requires the receiving user to have `publish_post`.
 
 ## [5.0.0] - 2025-02-03

includes/class-mailer.php

@@ -135,15 +135,26 @@ public static function new_follower( $notification ) {
 		}
 
 		/* translators: 1: Blog name, 2: Follower name */
-		$subject = \sprintf( \esc_html__( '[%1$s] Follower: %2$s', 'activitypub' ), \esc_html( get_option( 'blogname' ) ), \esc_html( $actor['name'] ) );
-		/* translators: 1: Blog name, 2: Follower name */
-		$message = \sprintf( \esc_html__( 'New Follower: %2$s.', 'activitypub' ), \esc_html( get_option( 'blogname' ) ), \esc_html( $actor['name'] ) ) . "\r\n\r\n";
-		/* translators: Follower URL */
-		$message .= \sprintf( \esc_html__( 'URL: %s', 'activitypub' ), \esc_url( $actor['url'] ) ) . "\r\n\r\n";
-		$message .= \esc_html__( 'You can see all followers here:', 'activitypub' ) . "\r\n";
-		$message .= \esc_url( \admin_url( $admin_url ) ) . "\r\n\r\n";
-
-		\wp_mail( $email, $subject, $message );
+		$subject = \sprintf( \__( '[%1$s] Follower: %2$s', 'activitypub' ), get_option( 'blogname' ), $actor['name'] );
+
+		\ob_start();
+		require ACTIVITYPUB_PLUGIN_DIR . '/templates/new-follower-email.php';
+		$html_message = \ob_get_clean();
+
+		$alt_function = function ( $mailer ) use ( $actor, $admin_url ) {
+			/* translators: 1: Blog name, 2: Follower name */
+			$message = \sprintf( \__( 'New Follower: %2$s.', 'activitypub' ), \get_option( 'blogname' ), $actor['name'] ) . "\r\n\r\n";
+			/* translators: Follower URL */
+			$message            .= \sprintf( \__( 'URL: %s', 'activitypub' ), \esc_url( $actor['url'] ) ) . "\r\n\r\n";
+			$message            .= \__( 'You can see all followers here:', 'activitypub' ) . "\r\n";
+			$message            .= \esc_url( \admin_url( $admin_url ) ) . "\r\n\r\n";
+			$mailer->{'AltBody'} = $message;
+		};
+		\add_action( 'phpmailer_init', $alt_function );
+
+		\wp_mail( $email, $subject, $html_message, array( 'Content-type: text/html' ) );
+
+		\remove_action( 'phpmailer_init', $alt_function );
 	}
 
 	/**

readme.txt

@@ -133,6 +133,7 @@ For reasons of data protection, it is not possible to see the followers of other
 
 = Unreleased =
 
+* Changed: Show metadata in the New Follower E-Mail
 * Changed: Manually granting `activitypub` cap no longer requires the receiving user to have `publish_post`.
 
 = 5.0.0 =

templates/new-follower-email.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * ActivityPub New Follower E-Mail template.
+ *
+ * @package Activitypub
+ */
+
+if ( ! isset( $actor ) ) {
+	$actor = array();
+	return;
+}
+
+?>
+<p>
+	<?php
+	esc_html_e( 'You have a new follower:', 'activitypub' );
+	?>
+</p>
+
+<table>
+	<tr>
+		<td style="vertical-align: top">
+			<a href="<?php echo esc_url( $actor['url'] ); ?>" style="float: left; margin-right: 1em;">
+				<?php if ( ! empty( $actor['icon']['url'] ) ) : ?>
+				<img src="<?php echo esc_url( $actor['icon']['url'] ); ?>" alt="<?php echo esc_attr( $actor['name'] ); ?>" width="64" height="64">
+				<?php endif; ?>
+			</a>
+		</td>
+		<td>
+
+			<a href="<?php echo esc_url( $actor['url'] ); ?>">
+				<strong><?php echo esc_html( $actor['name'] ); ?></strong> (<?php echo esc_html( $actor['url'] ); ?>)
+			</a>
+			<br>
+			<?php
+			if ( ! empty( $actor['summary'] ) ) {
+				echo wp_kses_post( nl2br( $actor['summary'] ) );
+			}
+			?>
+		</td>
+	</tr>
+</table>
+
+<?php
+
+/**
+ * Fires at the bottom of the new follower email.
+ */
+do_action( 'activitypub_new_follower_email', $actor );