CaffGeek/MBACNationals

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Web.Admin/2014/wordpress/wp-content/plugins/akismet/class.akismet-admin.php

Summary

Maintainability
F
1 wk
Test Coverage
<?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( 'transition_comment_status', array( 'Akismet_Admin', 'transition_comment_status' ), 10, 3 );
        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_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' ) );
    }

    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="'.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&#8217; 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() ) {
            $queue_text = sprintf( _n(
                'There&#8217;s <a href="%2$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&#8217;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 ) {
        if ( 'approved' == $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>';
        echo '<img src="' . esc_url( admin_url( 'images/wpspin_light.gif' ) ) . '" class="checkforspam-spinner" />';
    }

    public static function transition_comment_status( $new_status, $old_status, $comment ) {
        if ( $new_status == $old_status )
            return;

        # we don't need to record a history item for deleted comments
        if ( $new_status == 'delete' )
            return;

        if ( !is_admin() )
            return;

        if ( !current_user_can( 'edit_post', $comment->comment_post_ID ) && !current_user_can( 'moderate_comments' ) )
            return;

        if ( defined('WP_IMPORTING') && WP_IMPORTING == true )
            return;

        // if this is present, it means the status has been changed by a re-check, not an explicit user action
        if ( get_comment_meta( $comment->comment_ID, 'akismet_rechecking' ) )
            return;

        global $current_user;
        $reporter = '';
        if ( is_object( $current_user ) )
            $reporter = $current_user->user_login;

        // Assumption alert:
        // We want to submit comments to Akismet only when a moderator explicitly spams or approves it - not if the status
        // is changed automatically by another plugin.  Unfortunately WordPress doesn't provide an unambiguous way to
        // determine why the transition_comment_status action was triggered.  And there are several different ways by which
        // to spam and unspam comments: bulk actions, ajax, links in moderation emails, the dashboard, and perhaps others.
        // We'll assume that this is an explicit user action if POST or GET has an 'action' key.
        if ( isset($_POST['action']) || isset($_GET['action']) ) {
            if ( $new_status == 'spam' && ( $old_status == 'approved' || $old_status == 'unapproved' || !$old_status ) ) {
                return self::submit_spam_comment( $comment->comment_ID );
            } elseif ( $old_status == 'spam' && ( $new_status == 'approved' || $new_status == 'unapproved' ) ) {
                return self::submit_nonspam_comment( $comment->comment_ID );
            }
        }

        Akismet::update_comment_history( $comment->comment_ID, sprintf( __('%1$s changed the comment status to %2$s', 'akismet'), $reporter, $new_status ), 'status-' . $new_status );
    }

    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( http_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 )
                ) {
                    $b['history'] = '<a href="comment.php?action=editcomment&amp;c='.$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&amp;c='.$comment->comment_ID.'#akismet-status" title="' . esc_attr__( 'View comment history' , 'akismet') . '">'.esc_html( $desc ).'</a></span>';

        if ( apply_filters( 'akismet_show_user_comments_approved', get_option('akismet_show_user_comments_approved') ) ) {
            $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 );
    }

    public static function submit_spam_comment( $comment_id ) {
        global $wpdb, $current_user, $current_site;

        $comment_id = (int) $comment_id;

        $comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->comments} WHERE comment_ID = %d", $comment_id ) );

        if ( !$comment ) // it was deleted
            return;

        if ( 'spam' != $comment->comment_approved )
            return;

        // use the original version stored in comment_meta if available
        $as_submitted = get_comment_meta( $comment_id, 'akismet_as_submitted', true);

        if ( $as_submitted && is_array( $as_submitted ) && isset( $as_submitted['comment_content'] ) )
            $comment = (object) array_merge( (array)$comment, $as_submitted );

        $comment->blog         = get_bloginfo('url');
        $comment->blog_lang    = get_locale();
        $comment->blog_charset = get_option('blog_charset');
        $comment->permalink    = get_permalink($comment->comment_post_ID);

        if ( is_object($current_user) )
            $comment->reporter = $current_user->user_login;

        if ( is_object($current_site) )
            $comment->site_domain = $current_site->domain;

        $comment->user_role = '';
        if ( isset( $comment->user_ID ) )
            $comment->user_role = Akismet::get_user_roles( $comment->user_ID );

        if ( Akismet::is_test_mode() )
            $comment->is_test = 'true';

        $post = get_post( $comment->comment_post_ID );
        $comment->comment_post_modified_gmt = $post->post_modified_gmt;

        $response = Akismet::http_post( http_build_query( $comment ), 'submit-spam' );
        if ( $comment->reporter ) {
            Akismet::update_comment_history( $comment_id, sprintf( __('%s reported this comment as spam', 'akismet'), $comment->reporter ), 'report-spam' );
            update_comment_meta( $comment_id, 'akismet_user_result', 'true' );
            update_comment_meta( $comment_id, 'akismet_user', $comment->reporter );
        }

        do_action('akismet_submit_spam_comment', $comment_id, $response[1]);
    }

    public static function submit_nonspam_comment( $comment_id ) {
        global $wpdb, $current_user, $current_site;

        $comment_id = (int) $comment_id;

        $comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->comments} WHERE comment_ID = %d", $comment_id ) );
        if ( !$comment ) // it was deleted
            return;

        // use the original version stored in comment_meta if available
        $as_submitted = get_comment_meta( $comment_id, 'akismet_as_submitted', true);

        if ( $as_submitted && is_array($as_submitted) && isset($as_submitted['comment_content']) )
            $comment = (object) array_merge( (array)$comment, $as_submitted );

        $comment->blog         = get_bloginfo('url');
        $comment->blog_lang    = get_locale();
        $comment->blog_charset = get_option('blog_charset');
        $comment->permalink    = get_permalink( $comment->comment_post_ID );
        $comment->user_role    = '';

        if ( is_object($current_user) )
            $comment->reporter = $current_user->user_login;

        if ( is_object($current_site) )
            $comment->site_domain = $current_site->domain;

        if ( isset( $comment->user_ID ) )
            $comment->user_role = Akismet::get_user_roles($comment->user_ID);

        if ( Akismet::is_test_mode() )
            $comment->is_test = 'true';

        $post = get_post( $comment->comment_post_ID );
        $comment->comment_post_modified_gmt = $post->post_modified_gmt;

        $response = Akismet::http_post( http_build_query( $comment ), 'submit-ham' );
        if ( $comment->reporter ) {
            Akismet::update_comment_history( $comment_id, sprintf( __('%s reported this comment as not spam', 'akismet'), $comment->reporter ), 'report-ham' );
            update_comment_meta( $comment_id, 'akismet_user_result', 'false' );
            update_comment_meta( $comment_id, 'akismet_user', $comment->reporter );
        }

        do_action('akismet_submit_nonspam_comment', $comment_id, $response[1]);
    }

    // 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 = '';
        } else { // pingback, trackback, ...
            $type  = $wpdb->escape( $type );
        }

        return (int) $wpdb->get_var("SELECT COUNT(comment_ID) FROM {$wpdb->comments} WHERE comment_approved = 'spam' AND comment_type='$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_connectivity() {
        $test_host = 'rest.akismet.com';

        // Some web hosts may disable one or both functions
        if ( !function_exists('fsockopen') || !function_exists('gethostbynamel') )
            return array();

        $ips = gethostbynamel( $test_host );
        if ( !$ips || !is_array($ips) || !count($ips) )
            return array();

        $api_key = Akismet::get_api_key();

        $servers = array();
        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] = true;
            else
                $servers[$ip] = false;
        }
        return $servers;
    }

    // Check the server connectivity and store the results in an option.
    // Cached results will be used if not older than the specified timeout in seconds; use $cache_timeout = 0 to force an update.
    // Returns the same associative array as check_server_connectivity()
    public static function get_server_connectivity( $cache_timeout = 86400 ) {
        $servers = get_option('akismet_available_servers');
        if ( (time() - get_option('akismet_connectivity_time') < $cache_timeout) && $servers !== false )
            return $servers;

        // There's a race condition here but the effect is harmless.
        $servers = self::check_server_connectivity();
        update_option('akismet_available_servers', $servers);
        update_option('akismet_connectivity_time', time());
        return $servers;
    }

    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( http_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( http_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, $token = '' ) {
        $akismet_account = Akismet::http_post( http_build_query( array(
            'user_id'          => $user_id,
            'api_key'          => $api_key,
            'token'            => $token,
            'get_account_type' => 'true'
        ) ), '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 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 ( self::get_number_spam_waiting() > 0 && wp_next_scheduled('akismet_schedule_cron_recheck') > time() )
            Akismet::view( 'notice', array( 'type' => 'spam-check' ) );
    }

    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( '', '', $_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 ( $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 ) {
            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() {
        $servers    = self::get_server_connectivity();
        $fail_count = count( $servers ) - count( array_filter( $servers ) );
        $type       = '';

        if ( empty( $servers ) || $fail_count > 0 )
            $type = 'servers-be-down';

        if ( !function_exists('fsockopen') || !function_exists('gethostbynamel') )
            $type = 'missing-functions';

        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;
    }
}