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<?php
class Akismet_Admin {
const NONCE = 'akismet-update-key';
private static $initiated = false;
private static $notices = array();
public static function init() {
if ( ! self::$initiated ) {
self::init_hooks();
}
if ( isset( $_POST['action'] ) && $_POST['action'] == 'enter-key' ) {
self::enter_api_key();
}
}
public static function init_hooks() {
// The standalone stats page was removed in 3.0 for an all-in-one config and stats page.
// Redirect any links that might have been bookmarked or in browser history.
if ( isset( $_GET['page'] ) && 'akismet-stats-display' == $_GET['page'] ) {
wp_safe_redirect( esc_url_raw( self::get_page_url( 'stats' ) ), 301 );
die;
}
self::$initiated = true;
add_action( 'admin_init', array( 'Akismet_Admin', 'admin_init' ) );
add_action( 'admin_menu', array( 'Akismet_Admin', 'admin_menu' ), 5 ); # Priority 5, so it's called before Jetpack's admin_menu.
add_action( 'admin_notices', array( 'Akismet_Admin', 'display_notice' ) );
add_action( 'admin_enqueue_scripts', array( 'Akismet_Admin', 'load_resources' ) );
add_action( 'activity_box_end', array( 'Akismet_Admin', 'dashboard_stats' ) );
add_action( 'rightnow_end', array( 'Akismet_Admin', 'rightnow_stats' ) );
add_action( 'manage_comments_nav', array( 'Akismet_Admin', 'check_for_spam_button' ) );
add_action( 'admin_action_akismet_recheck_queue', array( 'Akismet_Admin', 'recheck_queue' ) );
add_action( 'wp_ajax_akismet_recheck_queue', array( 'Akismet_Admin', 'recheck_queue' ) );
add_action( 'wp_ajax_comment_author_deurl', array( 'Akismet_Admin', 'remove_comment_author_url' ) );
add_action( 'wp_ajax_comment_author_reurl', array( 'Akismet_Admin', 'add_comment_author_url' ) );
add_action( 'jetpack_auto_activate_akismet', array( 'Akismet_Admin', 'connect_jetpack_user' ) );
add_filter( 'plugin_action_links', array( 'Akismet_Admin', 'plugin_action_links' ), 10, 2 );
add_filter( 'comment_row_actions', array( 'Akismet_Admin', 'comment_row_action' ), 10, 2 );
add_filter( 'comment_text', array( 'Akismet_Admin', 'text_add_link_class' ) );
add_filter( 'plugin_action_links_'.plugin_basename( plugin_dir_path( __FILE__ ) . 'akismet.php'), array( 'Akismet_Admin', 'admin_plugin_settings_link' ) );
add_filter( 'wxr_export_skip_commentmeta', array( 'Akismet_Admin', 'exclude_commentmeta_from_export' ), 10, 3 );
}
public static function admin_init() {
load_plugin_textdomain( 'akismet' );
add_meta_box( 'akismet-status', __('Comment History', 'akismet'), array( 'Akismet_Admin', 'comment_status_meta_box' ), 'comment', 'normal' );
}
public static function admin_menu() {
if ( class_exists( 'Jetpack' ) )
add_action( 'jetpack_admin_menu', array( 'Akismet_Admin', 'load_menu' ) );
else
self::load_menu();
}
public static function admin_head() {
if ( !current_user_can( 'manage_options' ) )
return;
}
public static function admin_plugin_settings_link( $links ) {
$settings_link = '<a href="'.esc_url( self::get_page_url() ).'">'.__('Settings', 'akismet').'</a>';
array_unshift( $links, $settings_link );
return $links;
}
public static function load_menu() {
if ( class_exists( 'Jetpack' ) )
$hook = add_submenu_page( 'jetpack', __( 'Akismet' , 'akismet'), __( 'Akismet' , 'akismet'), 'manage_options', 'akismet-key-config', array( 'Akismet_Admin', 'display_page' ) );
else
$hook = add_options_page( __('Akismet', 'akismet'), __('Akismet', 'akismet'), 'manage_options', 'akismet-key-config', array( 'Akismet_Admin', 'display_page' ) );
if ( version_compare( $GLOBALS['wp_version'], '3.3', '>=' ) ) {
add_action( "load-$hook", array( 'Akismet_Admin', 'admin_help' ) );
}
}
public static function load_resources() {
global $hook_suffix;
if ( in_array( $hook_suffix, array(
'index.php', # dashboard
'edit-comments.php',
'comment.php',
'post.php',
'settings_page_akismet-key-config',
'jetpack_page_akismet-key-config',
) ) ) {
wp_register_style( 'akismet.css', AKISMET__PLUGIN_URL . '_inc/akismet.css', array(), AKISMET_VERSION );
wp_enqueue_style( 'akismet.css');
wp_register_script( 'akismet.js', AKISMET__PLUGIN_URL . '_inc/akismet.js', array('jquery','postbox'), AKISMET_VERSION );
wp_enqueue_script( 'akismet.js' );
wp_localize_script( 'akismet.js', 'WPAkismet', array(
'comment_author_url_nonce' => wp_create_nonce( 'comment_author_url_nonce' ),
'strings' => array(
'Remove this URL' => __( 'Remove this URL' , 'akismet'),
'Removing...' => __( 'Removing...' , 'akismet'),
'URL removed' => __( 'URL removed' , 'akismet'),
'(undo)' => __( '(undo)' , 'akismet'),
'Re-adding...' => __( 'Re-adding...' , 'akismet'),
)
) );
}
}
/**
* Add help to the Akismet page
*
* @return false if not the Akismet page
*/
public static function admin_help() {
$current_screen = get_current_screen();
// Screen Content
if ( current_user_can( 'manage_options' ) ) {
if ( !Akismet::get_api_key() || ( isset( $_GET['view'] ) && $_GET['view'] == 'start' ) ) {
//setup page
$current_screen->add_help_tab(
array(
'id' => 'overview',
'title' => __( 'Overview' , 'akismet'),
'content' =>
'<p><strong>' . esc_html__( 'Akismet Setup' , 'akismet') . '</strong></p>' .
'<p>' . esc_html__( 'Akismet filters out your comment and trackback spam for you, so you can focus on more important things.' , 'akismet') . '</p>' .
'<p>' . esc_html__( 'On this page, you are able to setup the Akismet plugin.' , 'akismet') . '</p>',
)
);
$current_screen->add_help_tab(
array(
'id' => 'setup-signup',
'title' => __( 'New to Akismet' , 'akismet'),
'content' =>
'<p><strong>' . esc_html__( 'Akismet Setup' , 'akismet') . '</strong></p>' .
'<p>' . esc_html__( 'You need to enter an API key to activate the Akismet service on your site.' , 'akismet') . '</p>' .
'<p>' . sprintf( __( 'Signup for an account on %s to get an API Key.' , 'akismet'), '<a href="https://akismet.com/plugin-signup/" target="_blank">Akismet.com</a>' ) . '</p>',
)
);
$current_screen->add_help_tab(
array(
'id' => 'setup-manual',
'title' => __( 'Enter an API Key' , 'akismet'),
'content' =>
'<p><strong>' . esc_html__( 'Akismet Setup' , 'akismet') . '</strong></p>' .
'<p>' . esc_html__( 'If you already have an API key' , 'akismet') . '</p>' .
'<ol>' .
'<li>' . esc_html__( 'Copy and paste the API key into the text field.' , 'akismet') . '</li>' .
'<li>' . esc_html__( 'Click the Use this Key button.' , 'akismet') . '</li>' .
'</ol>',
)
);
}
elseif ( isset( $_GET['view'] ) && $_GET['view'] == 'stats' ) {
//stats page
$current_screen->add_help_tab(
array(
'id' => 'overview',
'title' => __( 'Overview' , 'akismet'),
'content' =>
'<p><strong>' . esc_html__( 'Akismet Stats' , 'akismet') . '</strong></p>' .
'<p>' . esc_html__( 'Akismet filters out your comment and trackback spam for you, so you can focus on more important things.' , 'akismet') . '</p>' .
'<p>' . esc_html__( 'On this page, you are able to view stats on spam filtered on your site.' , 'akismet') . '</p>',
)
);
}
else {
//configuration page
$current_screen->add_help_tab(
array(
'id' => 'overview',
'title' => __( 'Overview' , 'akismet'),
'content' =>
'<p><strong>' . esc_html__( 'Akismet Configuration' , 'akismet') . '</strong></p>' .
'<p>' . esc_html__( 'Akismet filters out your comment and trackback spam for you, so you can focus on more important things.' , 'akismet') . '</p>' .
'<p>' . esc_html__( 'On this page, you are able to enter/remove an API key, view account information and view spam stats.' , 'akismet') . '</p>',
)
);
$current_screen->add_help_tab(
array(
'id' => 'settings',
'title' => __( 'Settings' , 'akismet'),
'content' =>
'<p><strong>' . esc_html__( 'Akismet Configuration' , 'akismet') . '</strong></p>' .
'<p><strong>' . esc_html__( 'API Key' , 'akismet') . '</strong> - ' . esc_html__( 'Enter/remove an API key.' , 'akismet') . '</p>' .
'<p><strong>' . esc_html__( 'Comments' , 'akismet') . '</strong> - ' . esc_html__( 'Show the number of approved comments beside each comment author in the comments list page.' , 'akismet') . '</p>' .
'<p><strong>' . esc_html__( 'Strictness' , 'akismet') . '</strong> - ' . esc_html__( 'Choose to either discard the worst spam automatically or to always put all spam in spam folder.' , 'akismet') . '</p>',
)
);
$current_screen->add_help_tab(
array(
'id' => 'account',
'title' => __( 'Account' , 'akismet'),
'content' =>
'<p><strong>' . esc_html__( 'Akismet Configuration' , 'akismet') . '</strong></p>' .
'<p><strong>' . esc_html__( 'Subscription Type' , 'akismet') . '</strong> - ' . esc_html__( 'The Akismet subscription plan' , 'akismet') . '</p>' .
'<p><strong>' . esc_html__( 'Status' , 'akismet') . '</strong> - ' . esc_html__( 'The subscription status - active, cancelled or suspended' , 'akismet') . '</p>',
)
);
}
}
// Help Sidebar
$current_screen->set_help_sidebar(
'<p><strong>' . esc_html__( 'For more information:' , 'akismet') . '</strong></p>' .
'<p><a href="https://akismet.com/faq/" target="_blank">' . esc_html__( 'Akismet FAQ' , 'akismet') . '</a></p>' .
'<p><a href="https://akismet.com/support/" target="_blank">' . esc_html__( 'Akismet Support' , 'akismet') . '</a></p>'
);
}
public static function enter_api_key() {
if ( function_exists('current_user_can') && !current_user_can('manage_options') )
die(__('Cheatin’ uh?', 'akismet'));
if ( !wp_verify_nonce( $_POST['_wpnonce'], self::NONCE ) )
return false;
foreach( array( 'akismet_strictness', 'akismet_show_user_comments_approved' ) as $option ) {
update_option( $option, isset( $_POST[$option] ) && (int) $_POST[$option] == 1 ? '1' : '0' );
}
if ( defined( 'WPCOM_API_KEY' ) )
return false; //shouldn't have option to save key if already defined
$new_key = preg_replace( '/[^a-h0-9]/i', '', $_POST['key'] );
$old_key = Akismet::get_api_key();
if ( empty( $new_key ) ) {
if ( !empty( $old_key ) ) {
delete_option( 'wordpress_api_key' );
self::$notices[] = 'new-key-empty';
}
}
elseif ( $new_key != $old_key ) {
self::save_key( $new_key );
}
return true;
}
public static function save_key( $api_key ) {
$key_status = Akismet::verify_key( $api_key );
if ( $key_status == 'valid' ) {
$akismet_user = self::get_akismet_user( $api_key );
if ( $akismet_user ) {
if ( in_array( $akismet_user->status, array( 'active', 'active-dunning', 'no-sub' ) ) )
update_option( 'wordpress_api_key', $api_key );
if ( $akismet_user->status == 'active' )
self::$notices['status'] = 'new-key-valid';
else
self::$notices['status'] = $akismet_user->status;
}
else
self::$notices['status'] = 'new-key-invalid';
}
elseif ( in_array( $key_status, array( 'invalid', 'failed' ) ) )
self::$notices['status'] = 'new-key-'.$key_status;
}
public static function dashboard_stats() {
if ( !function_exists('did_action') || did_action( 'rightnow_end' ) )
return; // We already displayed this info in the "Right Now" section
if ( !$count = get_option('akismet_spam_count') )
return;
global $submenu;
echo '<h3>' . esc_html( _x( 'Spam', 'comments' , 'akismet') ) . '</h3>';
echo '<p>'.sprintf( _n(
'<a href="%1$s">Akismet</a> has protected your site from <a href="%2$s">%3$s spam comment</a>.',
'<a href="%1$s">Akismet</a> has protected your site from <a href="%2$s">%3$s spam comments</a>.',
$count
, 'akismet'), 'https://akismet.com/wordpress/', esc_url( add_query_arg( array( 'page' => 'akismet-admin' ), admin_url( isset( $submenu['edit-comments.php'] ) ? 'edit-comments.php' : 'edit.php' ) ) ), number_format_i18n($count) ).'</p>';
}
// WP 2.5+
public static function rightnow_stats() {
global $submenu, $wp_db_version;
if ( 8645 < $wp_db_version ) // 2.7
$link = add_query_arg( array( 'comment_status' => 'spam' ), admin_url( 'edit-comments.php' ) );
elseif ( isset( $submenu['edit-comments.php'] ) )
$link = add_query_arg( array( 'page' => 'akismet-admin' ), admin_url( 'edit-comments.php' ) );
else
$link = add_query_arg( array( 'page' => 'akismet-admin' ), admin_url( 'edit.php' ) );
if ( $count = get_option('akismet_spam_count') ) {
$intro = sprintf( _n(
'<a href="%1$s">Akismet</a> has protected your site from %2$s spam comment already. ',
'<a href="%1$s">Akismet</a> has protected your site from %2$s spam comments already. ',
$count
, 'akismet'), 'https://akismet.com/wordpress/', number_format_i18n( $count ) );
} else {
$intro = sprintf( __('<a href="%s">Akismet</a> blocks spam from getting to your blog. ', 'akismet'), 'https://akismet.com/wordpress/' );
}
$link = function_exists( 'esc_url' ) ? esc_url( $link ) : clean_url( $link );
if ( $queue_count = self::get_spam_count() ) {
$queue_text = sprintf( _n(
'There’s <a href="%2$s">%1$s comment</a> in your spam queue right now.',
'There are <a href="%2$s">%1$s comments</a> in your spam queue right now.',
$queue_count
, 'akismet'), number_format_i18n( $queue_count ), $link );
} else {
$queue_text = sprintf( __( "There’s nothing in your <a href='%s'>spam queue</a> at the moment." , 'akismet'), $link );
}
$text = $intro . '<br />' . $queue_text;
echo "<p class='akismet-right-now'>$text</p>\n";
}
public static function check_for_spam_button( $comment_status ) {
// The "Check for Spam" button should only appear when the page might be showing
// a comment with comment_approved=0, which means an un-trashed, un-spammed,
// not-yet-moderated comment.
if ( 'all' != $comment_status && 'moderated' != $comment_status ) {
return;
}
if ( function_exists('plugins_url') )
$link = add_query_arg( array( 'action' => 'akismet_recheck_queue' ), admin_url( 'admin.php' ) );
else
$link = add_query_arg( array( 'page' => 'akismet-admin', 'recheckqueue' => 'true', 'noheader' => 'true' ), admin_url( 'edit-comments.php' ) );
echo '</div><div class="alignleft"><a class="button-secondary checkforspam" href="' . esc_url( $link ) . '">' . esc_html__('Check for Spam', 'akismet') . '</a><span class="checkforspam-spinner"></span>';
}
public static function recheck_queue() {
global $wpdb;
Akismet::fix_scheduled_recheck();
if ( ! ( isset( $_GET['recheckqueue'] ) || ( isset( $_REQUEST['action'] ) && 'akismet_recheck_queue' == $_REQUEST['action'] ) ) )
return;
$paginate = '';
if ( isset( $_POST['limit'] ) && isset( $_POST['offset'] ) ) {
$paginate = $wpdb->prepare( " LIMIT %d OFFSET %d", array( $_POST['limit'], $_POST['offset'] ) );
}
$moderation = $wpdb->get_results( "SELECT * FROM {$wpdb->comments} WHERE comment_approved = '0'{$paginate}", ARRAY_A );
foreach ( (array) $moderation as $c ) {
$c['user_ip'] = $c['comment_author_IP'];
$c['user_agent'] = $c['comment_agent'];
$c['referrer'] = '';
$c['blog'] = get_bloginfo('url');
$c['blog_lang'] = get_locale();
$c['blog_charset'] = get_option('blog_charset');
$c['permalink'] = get_permalink($c['comment_post_ID']);
$c['user_role'] = '';
if ( isset( $c['user_ID'] ) )
$c['user_role'] = Akismet::get_user_roles($c['user_ID']);
if ( Akismet::is_test_mode() )
$c['is_test'] = 'true';
add_comment_meta( $c['comment_ID'], 'akismet_rechecking', true );
$response = Akismet::http_post( Akismet::build_query( $c ), 'comment-check' );
if ( 'true' == $response[1] ) {
wp_set_comment_status( $c['comment_ID'], 'spam' );
update_comment_meta( $c['comment_ID'], 'akismet_result', 'true' );
delete_comment_meta( $c['comment_ID'], 'akismet_error' );
delete_comment_meta( $c['comment_ID'], 'akismet_delayed_moderation_email' );
Akismet::update_comment_history( $c['comment_ID'], __('Akismet re-checked and caught this comment as spam', 'akismet'), 'check-spam' );
} elseif ( 'false' == $response[1] ) {
update_comment_meta( $c['comment_ID'], 'akismet_result', 'false' );
delete_comment_meta( $c['comment_ID'], 'akismet_error' );
delete_comment_meta( $c['comment_ID'], 'akismet_delayed_moderation_email' );
Akismet::update_comment_history( $c['comment_ID'], __('Akismet re-checked and cleared this comment', 'akismet'), 'check-ham' );
// abnormal result: error
} else {
update_comment_meta( $c['comment_ID'], 'akismet_result', 'error' );
Akismet::update_comment_history( $c['comment_ID'], sprintf( __('Akismet was unable to re-check this comment (response: %s)', 'akismet'), substr($response[1], 0, 50)), 'check-error' );
}
delete_comment_meta( $c['comment_ID'], 'akismet_rechecking' );
}
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
wp_send_json( array(
'processed' => count((array) $moderation),
));
}
else {
$redirect_to = isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : admin_url( 'edit-comments.php' );
wp_safe_redirect( $redirect_to );
exit;
}
}
// Adds an 'x' link next to author URLs, clicking will remove the author URL and show an undo link
public static function remove_comment_author_url() {
if ( !empty( $_POST['id'] ) && check_admin_referer( 'comment_author_url_nonce' ) ) {
$comment = get_comment( intval( $_POST['id'] ), ARRAY_A );
if ( $comment && current_user_can( 'edit_comment', $comment['comment_ID'] ) ) {
$comment['comment_author_url'] = '';
do_action( 'comment_remove_author_url' );
print( wp_update_comment( $comment ) );
die();
}
}
}
public static function add_comment_author_url() {
if ( !empty( $_POST['id'] ) && !empty( $_POST['url'] ) && check_admin_referer( 'comment_author_url_nonce' ) ) {
$comment = get_comment( intval( $_POST['id'] ), ARRAY_A );
if ( $comment && current_user_can( 'edit_comment', $comment['comment_ID'] ) ) {
$comment['comment_author_url'] = esc_url( $_POST['url'] );
do_action( 'comment_add_author_url' );
print( wp_update_comment( $comment ) );
die();
}
}
}
public static function comment_row_action( $a, $comment ) {
// failsafe for old WP versions
if ( !function_exists('add_comment_meta') )
return $a;
$akismet_result = get_comment_meta( $comment->comment_ID, 'akismet_result', true );
$akismet_error = get_comment_meta( $comment->comment_ID, 'akismet_error', true );
$user_result = get_comment_meta( $comment->comment_ID, 'akismet_user_result', true);
$comment_status = wp_get_comment_status( $comment->comment_ID );
$desc = null;
if ( $akismet_error ) {
$desc = __( 'Awaiting spam check' , 'akismet');
} elseif ( !$user_result || $user_result == $akismet_result ) {
// Show the original Akismet result if the user hasn't overridden it, or if their decision was the same
if ( $akismet_result == 'true' && $comment_status != 'spam' && $comment_status != 'trash' )
$desc = __( 'Flagged as spam by Akismet' , 'akismet');
elseif ( $akismet_result == 'false' && $comment_status == 'spam' )
$desc = __( 'Cleared by Akismet' , 'akismet');
} else {
$who = get_comment_meta( $comment->comment_ID, 'akismet_user', true );
if ( $user_result == 'true' )
$desc = sprintf( __('Flagged as spam by %s', 'akismet'), $who );
else
$desc = sprintf( __('Un-spammed by %s', 'akismet'), $who );
}
// add a History item to the hover links, just after Edit
if ( $akismet_result ) {
$b = array();
foreach ( $a as $k => $item ) {
$b[ $k ] = $item;
if (
$k == 'edit'
|| ( $k == 'unspam' && $GLOBALS['wp_version'] >= 3.4 )
) {
$b['history'] = '<a href="comment.php?action=editcomment&c='.$comment->comment_ID.'#akismet-status" title="'. esc_attr__( 'View comment history' , 'akismet') . '"> '. esc_html__('History', 'akismet') . '</a>';
}
}
$a = $b;
}
if ( $desc )
echo '<span class="akismet-status" commentid="'.$comment->comment_ID.'"><a href="comment.php?action=editcomment&c='.$comment->comment_ID.'#akismet-status" title="' . esc_attr__( 'View comment history' , 'akismet') . '">'.esc_html( $desc ).'</a></span>';
$show_user_comments = apply_filters( 'akismet_show_user_comments_approved', get_option('akismet_show_user_comments_approved') );
$show_user_comments = $show_user_comments === 'false' ? false : $show_user_comments; //option used to be saved as 'false' / 'true'
if ( $show_user_comments ) {
$comment_count = Akismet::get_user_comments_approved( $comment->user_id, $comment->comment_author_email, $comment->comment_author, $comment->comment_author_url );
$comment_count = intval( $comment_count );
echo '<span class="akismet-user-comment-count" commentid="'.$comment->comment_ID.'" style="display:none;"><br><span class="akismet-user-comment-counts">'. sprintf( esc_html( _n( '%s approved', '%s approved', $comment_count , 'akismet') ), number_format_i18n( $comment_count ) ) . '</span></span>';
}
return $a;
}
public static function comment_status_meta_box( $comment ) {
$history = Akismet::get_comment_history( $comment->comment_ID );
if ( $history ) {
echo '<div class="akismet-history" style="margin: 13px;">';
foreach ( $history as $row ) {
$time = date( 'D d M Y @ h:i:m a', $row['time'] ) . ' GMT';
echo '<div style="margin-bottom: 13px;"><span style="color: #999;" alt="' . $time . '" title="' . $time . '">' . sprintf( esc_html__('%s ago', 'akismet'), human_time_diff( $row['time'] ) ) . '</span> - ';
echo esc_html( $row['message'] ) . '</div>';
}
echo '</div>';
}
}
public static function plugin_action_links( $links, $file ) {
if ( $file == plugin_basename( AKISMET__PLUGIN_URL . '/akismet.php' ) ) {
$links[] = '<a href="' . esc_url( self::get_page_url() ) . '">'.esc_html__( 'Settings' , 'akismet').'</a>';
}
return $links;
}
public static function text_add_link_callback( $m ) {
// bare link?
if ( $m[4] == $m[2] )
return '<a '.$m[1].' href="'.$m[2].'" '.$m[3].' class="comment-link">'.$m[4].'</a>';
else
return '<span title="'.$m[2].'" class="comment-link"><a '.$m[1].' href="'.$m[2].'" '.$m[3].' class="comment-link">'.$m[4].'</a></span>';
}
public static function text_add_link_class( $comment_text ) {
return preg_replace_callback( '#<a ([^>]*)href="([^"]+)"([^>]*)>(.*?)</a>#i', array( 'Akismet_Admin', 'text_add_link_callback' ), $comment_text );
}
// Total spam in queue
// get_option( 'akismet_spam_count' ) is the total caught ever
public static function get_spam_count( $type = false ) {
global $wpdb;
if ( !$type ) { // total
$count = wp_cache_get( 'akismet_spam_count', 'widget' );
if ( false === $count ) {
if ( function_exists('wp_count_comments') ) {
$count = wp_count_comments();
$count = $count->spam;
} else {
$count = (int) $wpdb->get_var("SELECT COUNT(comment_ID) FROM {$wpdb->comments} WHERE comment_approved = 'spam'");
}
wp_cache_set( 'akismet_spam_count', $count, 'widget', 3600 );
}
return $count;
} elseif ( 'comments' == $type || 'comment' == $type ) { // comments
$type = '';
}
return (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM {$wpdb->comments} WHERE comment_approved = 'spam' AND comment_type = %s", $type ) );
}
// Check connectivity between the WordPress blog and Akismet's servers.
// Returns an associative array of server IP addresses, where the key is the IP address, and value is true (available) or false (unable to connect).
public static function check_server_ip_connectivity() {
$servers = $ips = array();
// Some web hosts may disable this function
if ( function_exists('gethostbynamel') ) {
$ips = gethostbynamel( 'rest.akismet.com' );
if ( $ips && is_array($ips) && count($ips) ) {
$api_key = Akismet::get_api_key();
foreach ( $ips as $ip ) {
$response = Akismet::verify_key( $api_key, $ip );
// even if the key is invalid, at least we know we have connectivity
if ( $response == 'valid' || $response == 'invalid' )
$servers[$ip] = 'connected';
else
$servers[$ip] = $response ? $response : 'unable to connect';
}
}
}
return $servers;
}
// Simpler connectivity check
public static function check_server_connectivity($cache_timeout = 86400) {
$debug = array();
$debug[ 'PHP_VERSION' ] = PHP_VERSION;
$debug[ 'WORDPRESS_VERSION' ] = $GLOBALS['wp_version'];
$debug[ 'AKISMET_VERSION' ] = AKISMET_VERSION;
$debug[ 'AKISMET__PLUGIN_DIR' ] = AKISMET__PLUGIN_DIR;
$debug[ 'SITE_URL' ] = site_url();
$debug[ 'HOME_URL' ] = home_url();
$servers = get_option('akismet_available_servers');
if ( (time() - get_option('akismet_connectivity_time') < $cache_timeout) && $servers !== false ) {
$servers = self::check_server_ip_connectivity();
update_option('akismet_available_servers', $servers);
update_option('akismet_connectivity_time', time());
}
$response = wp_remote_get( 'http://rest.akismet.com/1.1/test' );
$debug[ 'gethostbynamel' ] = function_exists('gethostbynamel') ? 'exists' : 'not here';
$debug[ 'Servers' ] = $servers;
$debug[ 'Test Connection' ] = $response;
Akismet::log( $debug );
if ( $response && 'connected' == wp_remote_retrieve_body( $response ) )
return true;
return false;
}
// Check the server connectivity and store the available servers in an option.
public static function get_server_connectivity($cache_timeout = 86400) {
return self::check_server_connectivity( $cache_timeout );
}
public static function get_number_spam_waiting() {
global $wpdb;
return (int) $wpdb->get_var( "SELECT COUNT(*) FROM {$wpdb->commentmeta} WHERE meta_key = 'akismet_error'" );
}
public static function get_page_url( $page = 'config' ) {
$args = array( 'page' => 'akismet-key-config' );
if ( $page == 'stats' )
$args = array( 'page' => 'akismet-key-config', 'view' => 'stats' );
elseif ( $page == 'delete_key' )
$args = array( 'page' => 'akismet-key-config', 'view' => 'start', 'action' => 'delete-key', '_wpnonce' => wp_create_nonce( self::NONCE ) );
$url = add_query_arg( $args, class_exists( 'Jetpack' ) ? admin_url( 'admin.php' ) : admin_url( 'options-general.php' ) );
return $url;
}
public static function get_akismet_user( $api_key ) {
$akismet_user = Akismet::http_post( Akismet::build_query( array( 'key' => $api_key ) ), 'get-subscription' );
if ( ! empty( $akismet_user[1] ) )
$akismet_user = json_decode( $akismet_user[1] );
else
$akismet_user = false;
return $akismet_user;
}
public static function get_stats( $api_key ) {
$stat_totals = array();
foreach( array( '6-months', 'all' ) as $interval ) {
$response = Akismet::http_post( Akismet::build_query( array( 'blog' => urlencode( get_bloginfo('url') ), 'key' => $api_key, 'from' => $interval ) ), 'get-stats' );
if ( ! empty( $response[1] ) ) {
$stat_totals[$interval] = json_decode( $response[1] );
}
}
return $stat_totals;
}
public static function verify_wpcom_key( $api_key, $user_id, $extra = array() ) {
$akismet_account = Akismet::http_post( Akismet::build_query( array_merge( array(
'user_id' => $user_id,
'api_key' => $api_key,
'get_account_type' => 'true'
), $extra ) ), 'verify-wpcom-key' );
if ( ! empty( $akismet_account[1] ) )
$akismet_account = json_decode( $akismet_account[1] );
Akismet::log( compact( 'akismet_account' ) );
return $akismet_account;
}
public static function connect_jetpack_user() {
if ( $jetpack_user = self::get_jetpack_user() ) {
if ( isset( $jetpack_user['user_id'] ) && isset( $jetpack_user['api_key'] ) ) {
$akismet_user = self::verify_wpcom_key( $jetpack_user['api_key'], $jetpack_user['user_id'], array( 'action' => 'connect_jetpack_user' ) );
if ( is_object( $akismet_user ) ) {
self::save_key( $akismet_user->api_key );
return in_array( $akismet_user->status, array( 'active', 'active-dunning', 'no-sub' ) );
}
}
}
return false;
}
public static function display_alert() {
Akismet::view( 'notice', array(
'type' => 'alert',
'code' => (int) get_option( 'akismet_alert_code' ),
'msg' => get_option( 'akismet_alert_msg' )
) );
}
public static function display_spam_check_warning() {
Akismet::fix_scheduled_recheck();
if ( wp_next_scheduled('akismet_schedule_cron_recheck') > time() && self::get_number_spam_waiting() > 0 ) {
$link_text = apply_filters( 'akismet_spam_check_warning_link_text', sprintf( __( 'Please check your <a href="%s">Akismet configuration</a> and contact your web host if problems persist.', 'akismet'), esc_url( self::get_page_url() ) ) );
Akismet::view( 'notice', array( 'type' => 'spam-check', 'link_text' => $link_text ) );
}
}
public static function display_invalid_version() {
Akismet::view( 'notice', array( 'type' => 'version' ) );
}
public static function display_api_key_warning() {
Akismet::view( 'notice', array( 'type' => 'plugin' ) );
}
public static function display_page() {
if ( !Akismet::get_api_key() || ( isset( $_GET['view'] ) && $_GET['view'] == 'start' ) )
self::display_start_page();
elseif ( isset( $_GET['view'] ) && $_GET['view'] == 'stats' )
self::display_stats_page();
else
self::display_configuration_page();
}
public static function display_start_page() {
if ( isset( $_GET['action'] ) ) {
if ( $_GET['action'] == 'delete-key' ) {
if ( isset( $_GET['_wpnonce'] ) && wp_verify_nonce( $_GET['_wpnonce'], self::NONCE ) )
delete_option( 'wordpress_api_key' );
}
}
if ( $api_key = Akismet::get_api_key() ) {
self::display_configuration_page();
return;
}
//the user can choose to auto connect their API key by clicking a button on the akismet done page
//if jetpack, get verified api key by using connected wpcom user id
//if no jetpack, get verified api key by using an akismet token
$akismet_user = false;
if ( isset( $_GET['token'] ) && preg_match('/^(\d+)-[0-9a-f]{20}$/', $_GET['token'] ) )
$akismet_user = self::verify_wpcom_key( '', '', array( 'token' => $_GET['token'] ) );
elseif ( $jetpack_user = self::get_jetpack_user() )
$akismet_user = self::verify_wpcom_key( $jetpack_user['api_key'], $jetpack_user['user_id'] );
if ( isset( $_GET['action'] ) ) {
if ( $_GET['action'] == 'save-key' ) {
if ( is_object( $akismet_user ) ) {
self::save_key( $akismet_user->api_key );
self::display_notice();
self::display_configuration_page();
return;
}
}
}
echo '<h2 class="ak-header">'.esc_html__('Akismet', 'akismet').'</h2>';
self::display_status();
Akismet::view( 'start', compact( 'akismet_user' ) );
}
public static function display_stats_page() {
Akismet::view( 'stats' );
}
public static function display_configuration_page() {
$api_key = Akismet::get_api_key();
$akismet_user = self::get_akismet_user( $api_key );
$stat_totals = self::get_stats( $api_key );
// If unset, create the new strictness option using the old discard option to determine its default
if ( get_option( 'akismet_strictness' ) === false )
add_option( 'akismet_strictness', (get_option('akismet_discard_month') === 'true' ? '1' : '0') );
if ( empty( self::$notices ) ) {
//show status
if ( ! empty( $stat_totals['all'] ) && isset( $stat_totals['all']->time_saved ) && $akismet_user->status == 'active' && $akismet_user->account_type == 'free-api-key' ) {
$time_saved = false;
if ( $stat_totals['all']->time_saved > 1800 ) {
$total_in_minutes = round( $stat_totals['all']->time_saved / 60 );
$total_in_hours = round( $total_in_minutes / 60 );
$total_in_days = round( $total_in_hours / 8 );
$cleaning_up = __( 'Cleaning up spam takes time.' , 'akismet');
if ( $total_in_days > 1 )
$time_saved = $cleaning_up . ' ' . sprintf( __( 'Since you joined us, Akismet has saved you %s days!' , 'akismet'), number_format_i18n( $total_in_days ) );
elseif ( $total_in_hours > 1 )
$time_saved = $cleaning_up . ' ' . sprintf( __( 'Since you joined us, Akismet has saved you %d hours!' , 'akismet'), $total_in_hours );
elseif ( $total_in_minutes >= 30 )
$time_saved = $cleaning_up . ' ' . sprintf( __( 'Since you joined us, Akismet has saved you %d minutes!' , 'akismet'), $total_in_minutes );
}
Akismet::view( 'notice', array( 'type' => 'active-notice', 'time_saved' => $time_saved ) );
}
if ( !empty( $akismet_user->limit_reached ) && in_array( $akismet_user->limit_reached, array( 'yellow', 'red' ) ) ) {
Akismet::view( 'notice', array( 'type' => 'limit-reached', 'level' => $akismet_user->limit_reached ) );
}
}
if ( !isset( self::$notices['status'] ) && in_array( $akismet_user->status, array( 'cancelled', 'suspended', 'missing', 'no-sub' ) ) )
Akismet::view( 'notice', array( 'type' => $akismet_user->status ) );
Akismet::log( compact( 'stat_totals', 'akismet_user' ) );
Akismet::view( 'config', compact( 'api_key', 'akismet_user', 'stat_totals' ) );
}
public static function display_notice() {
global $hook_suffix;
if ( in_array( $hook_suffix, array( 'jetpack_page_akismet-key-config', 'settings_page_akismet-key-config', 'edit-comments.php' ) ) && (int) get_option( 'akismet_alert_code' ) > 0 ) {
Akismet::verify_key( Akismet::get_api_key() ); //verify that the key is still in alert state
if ( get_option( 'akismet_alert_code' ) > 0 )
self::display_alert();
}
elseif ( $hook_suffix == 'plugins.php' && !Akismet::get_api_key() ) {
self::display_api_key_warning();
}
elseif ( $hook_suffix == 'edit-comments.php' && wp_next_scheduled( 'akismet_schedule_cron_recheck' ) ) {
self::display_spam_check_warning();
}
elseif ( in_array( $hook_suffix, array( 'jetpack_page_akismet-key-config', 'settings_page_akismet-key-config' ) ) && Akismet::get_api_key() ) {
self::display_status();
}
}
public static function display_status() {
$type = '';
if ( !self::get_server_connectivity() )
$type = 'servers-be-down';
if ( !empty( $type ) )
Akismet::view( 'notice', compact( 'type' ) );
elseif ( !empty( self::$notices ) ) {
foreach ( self::$notices as $type )
Akismet::view( 'notice', compact( 'type' ) );
}
}
private static function get_jetpack_user() {
if ( !class_exists('Jetpack') )
return false;
Jetpack::load_xml_rpc_client();
$xml = new Jetpack_IXR_ClientMulticall( array( 'user_id' => get_current_user_id() ) );
$xml->addCall( 'wpcom.getUserID' );
$xml->addCall( 'akismet.getAPIKey' );
$xml->query();
Akismet::log( compact( 'xml' ) );
if ( !$xml->isError() ) {
$responses = $xml->getResponse();
if ( count( $responses ) > 1 ) {
$api_key = array_shift( $responses[0] );
$user_id = (int) array_shift( $responses[1] );
return compact( 'api_key', 'user_id' );
}
}
return false;
}
/**
* Some commentmeta isn't useful in an export file. Suppress it (when supported).
*
* @param bool $exclude
* @param string $key The meta key
* @param object $meta The meta object
* @return bool Whether to exclude this meta entry from the export.
*/
public static function exclude_commentmeta_from_export( $exclude, $key, $meta ) {
if ( in_array( $key, array( 'akismet_as_submitted', 'akismet_rechecking', 'akismet_delayed_moderation_email' ) ) ) {
return true;
}
return $exclude;
}
}
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