260 lines
8.7 KiB
PHP
260 lines
8.7 KiB
PHP
<?php
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/*
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Plugin Name: Sharedaddy
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Description: The most super duper sharing tool on the interwebs.
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Version: 0.3.1
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Author: Automattic, Inc.
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Author URI: http://automattic.com/
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Plugin URI: http://en.blog.wordpress.com/2010/08/24/more-ways-to-share/
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*/
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require_once plugin_dir_path( __FILE__ ).'sharing.php';
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function sharing_email_send_post( $data ) {
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$content = sharing_email_send_post_content( $data );
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// Borrowed from wp_mail();
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$sitename = strtolower( $_SERVER['SERVER_NAME'] );
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if ( substr( $sitename, 0, 4 ) == 'www.' ) {
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$sitename = substr( $sitename, 4 );
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}
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/** This filter is documented in core/src/wp-includes/pluggable.php */
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$from_email = apply_filters( 'wp_mail_from', 'wordpress@' . $sitename );
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$headers[] = sprintf( 'From: %1$s <%2$s>', $data['name'], $from_email );
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$headers[] = sprintf( 'Reply-To: %1$s <%2$s>', $data['name'], $data['source'] );
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wp_mail( $data['target'], '['.__( 'Shared Post', 'jetpack' ).'] '.$data['post']->post_title, $content, $headers );
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}
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/* Checks for spam using akismet if available. */
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/* Return $data as it if email about to be send out is not spam. */
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function sharing_email_check_for_spam_via_akismet( $data ) {
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if ( ! function_exists( 'akismet_http_post' ) && ! method_exists( 'Akismet', 'http_post' ) )
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return $data;
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// Prepare the body_request for akismet
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$body_request = array(
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'blog' => get_option( 'home' ),
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'permalink' => get_permalink( $data['post']->ID ),
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'comment_type' => 'share',
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'comment_author' => $data['name'],
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'comment_author_email' => $data['source'],
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'comment_content' => sharing_email_send_post_content( $data ),
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'user_agent' => ( isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : null ),
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);
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if ( method_exists( 'Akismet', 'http_post' ) ) {
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$body_request['user_ip'] = Akismet::get_ip_address();
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$response = Akismet::http_post( build_query( $body_request ), 'comment-check' );
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} else {
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global $akismet_api_host, $akismet_api_port;
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$body_request['user_ip'] = ( isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : null );
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$response = akismet_http_post( build_query( $body_request ), $akismet_api_host, '/1.1/comment-check', $akismet_api_port );
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}
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// The Response is spam lets not send the email.
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if ( ! empty( $response ) && isset( $response[1] ) && 'true' == trim( $response[1] ) ) { // 'true' is spam
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return false; // don't send the email
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}
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return $data;
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}
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function sharing_email_send_post_content( $data ) {
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/* translators: included in e-mail when post is shared via e-mail. First item is sender's name. Second is sender's e-mail address. */
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$content = sprintf( __( '%1$s (%2$s) thinks you may be interested in the following post:', 'jetpack' ), $data['name'], $data['source'] );
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$content .= "\n\n";
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$content .= $data['post']->post_title."\n";
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$content .= get_permalink( $data['post']->ID )."\n";
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return $content;
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}
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function sharing_add_meta_box() {
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global $post;
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if ( empty( $post ) ) { // If a current post is not defined, such as when editing a comment.
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return;
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}
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/**
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* Filter whether to display the Sharing Meta Box or not.
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*
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* @module sharedaddy
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*
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* @since 3.8.0
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*
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* @param bool true Display Sharing Meta Box.
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* @param $post Post.
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*/
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if ( ! apply_filters( 'sharing_meta_box_show', true, $post ) ) {
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return;
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}
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$post_types = get_post_types( array( 'public' => true ) );
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/**
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* Filter the Sharing Meta Box title.
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*
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* @module sharedaddy
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*
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* @since 2.2.0
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*
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* @param string $var Sharing Meta Box title. Default is "Sharing".
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*/
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$title = apply_filters( 'sharing_meta_box_title', __( 'Sharing', 'jetpack' ) );
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if ( $post->ID !== get_option( 'page_for_posts' ) ) {
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foreach( $post_types as $post_type ) {
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add_meta_box( 'sharing_meta', $title, 'sharing_meta_box_content', $post_type, 'advanced', 'high' );
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}
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}
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}
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function sharing_meta_box_content( $post ) {
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/**
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* Fires before the sharing meta box content.
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*
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* @module sharedaddy
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*
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* @since 2.2.0
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*
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* @param WP_Post $post The post to share.
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*/
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do_action( 'start_sharing_meta_box_content', $post );
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$disabled = get_post_meta( $post->ID, 'sharing_disabled', true ); ?>
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<p>
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<label for="enable_post_sharing">
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<input type="checkbox" name="enable_post_sharing" id="enable_post_sharing" value="1" <?php checked( !$disabled ); ?>>
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<?php _e( 'Show sharing buttons.' , 'jetpack'); ?>
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</label>
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<input type="hidden" name="sharing_status_hidden" value="1" />
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</p>
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<?php
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/**
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* Fires after the sharing meta box content.
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*
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* @module sharedaddy
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*
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* @since 2.2.0
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*
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* @param WP_Post $post The post to share.
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*/
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do_action( 'end_sharing_meta_box_content', $post );
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}
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function sharing_meta_box_save( $post_id ) {
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if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE )
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return $post_id;
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// Record sharing disable
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if ( isset( $_POST['post_type'] ) && ( $post_type_object = get_post_type_object( $_POST['post_type'] ) ) && $post_type_object->public ) {
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if ( current_user_can( 'edit_post', $post_id ) ) {
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if ( isset( $_POST['sharing_status_hidden'] ) ) {
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if ( !isset( $_POST['enable_post_sharing'] ) ) {
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update_post_meta( $post_id, 'sharing_disabled', 1 );
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} else {
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delete_post_meta( $post_id, 'sharing_disabled' );
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}
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}
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}
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}
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return $post_id;
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}
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function sharing_meta_box_protected( $protected, $meta_key, $meta_type ) {
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if ( 'sharing_disabled' == $meta_key )
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$protected = true;
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return $protected;
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}
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add_filter( 'is_protected_meta', 'sharing_meta_box_protected', 10, 3 );
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function sharing_plugin_settings( $links ) {
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$settings_link = '<a href="options-general.php?page=sharing.php">'.__( 'Settings', 'jetpack' ).'</a>';
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array_unshift( $links, $settings_link );
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return $links;
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}
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function sharing_add_plugin_settings($links, $file) {
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if ( $file == basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ) ) {
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$links[] = '<a href="options-general.php?page=sharing.php">' . __( 'Settings', 'jetpack' ) . '</a>';
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$links[] = '<a href="http://support.wordpress.com/sharing/" target="_blank">' . __( 'Support', 'jetpack' ) . '</a>';
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}
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return $links;
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}
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function sharing_restrict_to_single( $services ) {
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// This removes Press This from non-multisite blogs - doesn't make much sense
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if ( is_multisite() === false ) {
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unset( $services['press-this'] );
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}
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return $services;
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}
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function sharing_init() {
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if ( get_option( 'sharedaddy_disable_resources' ) ) {
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add_filter( 'sharing_js', 'sharing_disable_js' );
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remove_action( 'wp_head', 'sharing_add_header', 1 );
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}
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}
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function sharing_disable_js() {
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return false;
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}
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function sharing_global_resources() {
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$disable = get_option( 'sharedaddy_disable_resources' );
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?>
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<tr valign="top">
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<th scope="row"><label for="disable_css"><?php _e( 'Disable CSS and JS', 'jetpack' ); ?></label></th>
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<td>
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<input id="disable_css" type="checkbox" name="disable_resources" <?php if ( $disable == 1 ) echo ' checked="checked"'; ?>/> <small><em><?php _e( 'Advanced. If this option is checked, you must include these files in your theme manually for the sharing links to work.', 'jetpack' ); ?></em></small>
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</td>
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</tr>
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<?php
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}
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function sharing_global_resources_save() {
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update_option( 'sharedaddy_disable_resources', isset( $_POST['disable_resources'] ) ? 1 : 0 );
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}
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function sharing_email_dialog() {
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require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';
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$recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY );
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echo $recaptcha->get_recaptcha_html(); // xss ok
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}
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function sharing_email_check( $true, $post, $data ) {
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require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';
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$recaptcha = new Jetpack_ReCaptcha( RECAPTCHA_PUBLIC_KEY, RECAPTCHA_PRIVATE_KEY );
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$response = ! empty( $_POST['g-recaptcha-response'] ) ? $_POST['g-recaptcha-response'] : '';
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$result = $recaptcha->verify( $response, $_SERVER['REMOTE_ADDR'] );
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return ( true === $result );
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}
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add_action( 'init', 'sharing_init' );
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add_action( 'add_meta_boxes', 'sharing_add_meta_box' );
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add_action( 'save_post', 'sharing_meta_box_save' );
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add_action( 'sharing_email_send_post', 'sharing_email_send_post' );
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add_filter( 'sharing_email_can_send', 'sharing_email_check_for_spam_via_akismet' );
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add_action( 'sharing_global_options', 'sharing_global_resources', 30 );
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add_action( 'sharing_admin_update', 'sharing_global_resources_save' );
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add_filter( 'sharing_services', 'sharing_restrict_to_single' );
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add_action( 'plugin_action_links_'.basename( dirname( __FILE__ ) ).'/'.basename( __FILE__ ), 'sharing_plugin_settings', 10, 4 );
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add_filter( 'plugin_row_meta', 'sharing_add_plugin_settings', 10, 2 );
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if ( defined( 'RECAPTCHA_PUBLIC_KEY' ) && defined( 'RECAPTCHA_PRIVATE_KEY' ) ) {
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add_action( 'sharing_email_dialog', 'sharing_email_dialog' );
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add_filter( 'sharing_email_check', 'sharing_email_check', 10, 3 );
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}
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