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Omphaloskepsis/plugins/jetpack/modules/sharedaddy/sharedaddy.php
2018-03-21 18:19:20 +00:00

261 lines
8.7 KiB
PHP

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