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<?php /** * Module Name: Fight Spam but strongly * Description: The Secupress Anti Spam module * Main Module: antispam * Author: SecuPress * Version: 2.4 / defined( 'SECUPRESS_VERSION' ) or die( 'Something went wrong.' ); /* --------------------------------------------------------------------------------------------- / /* ANTI-USURPATION ============================================================================= / /* --------------------------------------------------------------------------------------------- / add_filter( 'preprocess_comment', 'secupress_fightspam_dont_use_my_identity_to_comment' ); /* * Prevent logged out users to use registered users identity to comment. * * @since 1.0 * * @param (array) $commentdata Comment data. * * @return (array) $commentdata Comment data. / function secupress_fightspam_dont_use_my_identity_to_comment( $commentdata ) { global $wpdb; if ( is_user_logged_in() \|\| ! empty( $commentdata['comment_type'] ) ) { return $commentdata; } $user = false; // Test with author username. if ( ! empty( $commentdata['comment_author'] ) ) { $user = get_user_by( 'slug', $commentdata['comment_author'] ); if ( ! $user ) { $user = $wpdb->get_row( $wpdb->prepare( "SELECT FROM $wpdb->users WHERE display_name = %s", $commentdata['comment_author'] ) ); } } // Test with author email address. if ( ! $user && ! empty( $commentdata['comment_author_email'] ) ) { $user = get_user_by( 'email', $commentdata['comment_author_email'] ); } // If the user exists, don't process. if ( $user ) { // Add some CSS style for the textarea. add_filter( 'secupress.die.message', 'secupress_fightspam_die_message_content_filter' ); $content = sprintf( /* translators: %s is a "please log in" link / __( 'Can’t process because this username or email belongs to a registered user. If it’s you, %s.', 'secupress' ), '<a href="' . esc_url( wp_login_url( wp_get_referer() ) ) . '">' . __( 'please log in', 'secupress' ) . '</a>' ); if ( ! empty( $commentdata['comment_content'] ) ) { $content .= "<br/>\n"; $content .= __( 'You may want to copy your message before logging in:', 'secupress' ); $content .= '<br/><textarea readonly="readonly" rows="8" cols="45">' . esc_html( wp_unslash( $commentdata['comment_content'] ) ) . '</textarea>'; } secupress_block( 'AAU', $content ); } return $commentdata; } /* * Filter the message displayed when a logged out user tries to use a registered user identity. * Add some CSS style to the textarea. * * @since 1.0 * * @param (string) $message The message. * * @return (string) The message. / function secupress_fightspam_die_message_content_filter( $message ) { $message = '<style type="text/css">textarea { box-sizing: border-box; width: 100%; padding: .5em; margin-top: 1em; font-family: Arial, Helvetica, sans-serif; color: #222; font-size: inherit; line-height: inherit; word-wrap: break-word; -epub-hyphens: auto; -webkit-hyphens: auto; -moz-hyphens: auto; -ms-hyphens: auto; hyphens: auto; }</style>' . $message; return $message; } /* --------------------------------------------------------------------------------------------- / /* FIGHT SPAM ================================================================================== / /* --------------------------------------------------------------------------------------------- / add_action( 'check_comment_flood', 'secupress_fightspam_force_check_comment' ); /* * Force deactivation of "manual comment moderation" option. * Force deactivation of "approve comments by previously-approved authors" option. * This will allow `check_comment()` to run its tests properly in `wp_allow_comment()`, and let us do our job. * Force deactivation of the blacklist from WordPress, because it does not return the right spam status. We will use it later in `secupress_fightspam_blacklist_as_spam_check()`. * * @since 2.0 Remove pre_option_comment_moderation * @since 1.0 / function secupress_fightspam_force_check_comment() { if ( get_option( 'comment_moderation' ) ) { // Do not use `__return_false`, it won't work. // add_filter( 'pre_option_comment_moderation', '__return_zero', 1 ); add_filter( 'pre_option_comment_whitelist', '__return_empty_string', 1 ); add_filter( 'pre_option_blacklist_keys', '__return_empty_string', 1 ); } } add_filter( 'pre_comment_approved', 'secupress_fightspam_set_logged_in_comment_status', 0, 2 ); /* * Set the comment status to return when the user is logged in. * * @since 1.2.3 * @author Grégory Viguier * * @param (int\|string) $approved The approval status. Accepts 1, 0, 'spam', or 'trash'. * @param (array) $commentdata Comment data. * * @return (int\|string) 1, 0, 'spam', or 'trash'. / function secupress_fightspam_set_logged_in_comment_status( $approved, $commentdata ) { if ( ! is_user_logged_in() ) { return $approved; } $comment_status = 1; /* * Filter the comment status to return when the user is logged in. * * @since 1.2.3 * @author Grégory Viguier * * @param (int\|string) $comment_status The approval status. Accepts 1, 0, 'spam', or 'trash'. Default to 1. * @param (int\|string) $approved The original approval status. Accepts 1, 0, 'spam', or 'trash'. * @param (array) $commentdata Comment data. / return apply_filters( 'secupress_fightspam_logged_in_comment_status', $comment_status, $approved, $commentdata ); } add_filter( 'pre_comment_approved', 'secupress_fightspam_remove_comment_moderation_filter', 0 ); /* * Replace status 0 (pending) returned by `check_comment()` by our own status (`trash` or `spam`). * Remove our filter that forces deactivation of "manual comment moderation" option. * Remove our filter that forces deactivation of "approve comments by previously-approved authors" option. * * @since 1.0 * * @param (int\|string) $approved The approval status. Accepts 1, 0, 'spam', or 'trash'. * * @return (int\|string) 1, 0, 'spam', or 'trash'. / function secupress_fightspam_remove_comment_moderation_filter( $approved ) { // Remove our filters. remove_filter( 'pre_option_comment_moderation', '__return_zero', 1 ); remove_filter( 'pre_option_comment_whitelist', '__return_empty_string', 1 ); remove_filter( 'pre_option_blacklist_keys', '__return_empty_string', 1 ); if ( is_user_logged_in() ) { return $approved; } // Replace status 0 returned by `check_comment()` by our own status (`trash` or `spam`). if ( 'trash' === $approved \|\| 'spam' === $approved ) { return secupress_fightspam_return_spam_status_setting( 'moderation' ); } return $approved; } add_filter( 'pre_comment_approved', 'secupress_fightspam_author_as_spam_check', 9, 2 ); /* * Mark a comment as spam, depending on its author IP, username, email, and URL. * * @since 1.0 * * @param (int\|string) $approved The approval status. Accepts 1, 0, 'spam', or 'trash'. * @param (array) $commentdata Comment data. * * @return (int\|string) 1, 0, 'spam', or 'trash'. / function secupress_fightspam_author_as_spam_check( $approved, $commentdata ) { if ( is_user_logged_in() ) { return $approved; } if ( 'trash' === $approved \|\| 'spam' === $approved \|\| ! secupress_fightspam_needs_spam_check( $commentdata ) ) { return $approved; } // IP. $status = secupress_fightspam_get_spam_status( $commentdata['comment_author_IP'] ); if ( 'error' === $status ) { // The "Error" status does not exist, we use "Pending" instead. return 0; } if ( 'blacklisted' === $status ) { // This seems to be a spam. return secupress_fightspam_return_spam_status_setting( 'ip' ); } // // Username. // $status = secupress_fightspam_get_spam_status( $commentdata['comment_author'] ); // if ( 'error' === $status ) { // return 0; // } // if ( 'blacklisted' === $status ) { // return secupress_fightspam_return_spam_status_setting( 'username' ); // } // Email. $status = secupress_fightspam_get_spam_status( $commentdata['comment_author_email'] ); if ( 'error' === $status ) { return 0; } if ( 'blacklisted' === $status ) { return secupress_fightspam_return_spam_status_setting( 'email' ); } // URL. $status = secupress_fightspam_get_spam_status( $commentdata['comment_author_url'] ); if ( 'error' === $status ) { return 0; } if ( 'blacklisted' === $status ) { return secupress_fightspam_return_spam_status_setting( 'url' ); } return $approved; } add_filter( 'pre_comment_approved', 'secupress_fightspam_shortcode_as_spam_check', 9, 2 ); /* * Mark comments with shortcodes or BBcodes as spam. * * @since 1.0 * * @param (int\|string) $approved The approval status. Accepts 1, 0, 'spam', or 'trash'. * @param (array) $commentdata Comment data. * * @return (int\|string) 1, 0, 'spam', or 'trash'. / function secupress_fightspam_shortcode_as_spam_check( $approved, $commentdata ) { if ( is_user_logged_in() ) { return $approved; } if ( 'trash' === $approved \|\| 'spam' === $approved \|\| ! secupress_fightspam_needs_spam_check( $commentdata ) ) { return $approved; } if ( ! secupress_get_module_option( 'antispam_shortcode-as-spam', false, 'antispam' ) ) { return $approved; } $comment_filtered = preg_replace( '#\[[^\]]+\]#', '', $commentdata->comment_text ); if ( $commentdata->comment_text !== $comment_filtered ) { return secupress_fightspam_return_spam_status_setting( 'shortcode' ); } return $approved; } add_filter( 'pre_comment_approved', 'secupress_fightspam_blacklist_as_spam_check', 9, 2 ); /* * Mark comments as spam, depending on a blacklist. * The blacklist from WordPress is disabled in `secupress_fightspam_force_check_comment()`. We run the test here (with maybe our improved list). * * @since 1.0 * * @param (int\|string) $approved The approval status. Accepts 1, 0, 'spam', or 'trash'. * @param (array) $commentdata Comment data. * * @return (int\|string) 1, 0, 'spam', or 'trash'. / function secupress_fightspam_blacklist_as_spam_check( $approved, $commentdata ) { if ( is_user_logged_in() ) { return $approved; } if ( 'trash' === $approved \|\| 'spam' === $approved \|\| ! secupress_fightspam_needs_spam_check( $commentdata ) ) { return $approved; } if ( secupress_get_module_option( 'antispam_better-blacklist-comment', false, 'antispam' ) ) { // Add our blacklist. add_filter( 'pre_option_blacklist_keys', 'secupress_fightspam_better_blacklist_comment' ); } // Test. if ( wp_check_comment_disallowed_list( $commentdata['comment_author'], $commentdata['comment_author_email'], $commentdata['comment_author_url'], $commentdata['comment_content'], $commentdata['comment_author_IP'], $commentdata['comment_agent'] ) ) { return secupress_fightspam_return_spam_status_setting( 'blacklist' ); } remove_filter( 'pre_option_blacklist_keys', 'secupress_fightspam_better_blacklist_comment' ); return $approved; } /* * Add our blacklist to the WordPress's one. * * @since 1.0 * * @param (bool\|string) $value The value of the WordPress's blacklist. * * @return (string) The blacklist. / function secupress_fightspam_better_blacklist_comment( $value ) { $file = secupress_get_data_path( 'spam-disallowed-terms' ); if ( file_exists( $file ) ) { $spam_words = file( $file ); $value .= "\n" . implode( "\n", $spam_words ); } return trim( $value ); } add_action( 'secupress.plugins.loaded', 'secupress_fightspam_maybe_disable_trackbaks' ); /* * Disable pingbacks/trackbacks. * * @since 1.0 / function secupress_fightspam_maybe_disable_trackbaks() { if ( ! secupress_get_module_option( 'antispam_forbid-pings-trackbacks', 0, 'antispam' ) ) { return; } add_filter( 'xmlrpc_methods', 'secupress_fightspam_block_xmlrpc_pingbacks' ); add_filter( 'wp_headers', 'secupress_fightspam_remove_x_pingback_header' ); add_filter( 'comments_array' , 'secupress_fightspam_remove_pingbacks_from_comments' ); add_filter( 'get_comments_number', 'secupress_fightspam_comment_count_without_pingbacks', 10, 2 ); add_action( 'admin_print_scripts-post.php', 'secupress_fightspam_no_pingstatus_css' ); } /* * Remove the `pingback.ping` and `pingback.extensions.getPingbacks` xmlrpc methods. * * @since 1.0 * * @param (array) $methods Methods. * * @return (array) / function secupress_fightspam_block_xmlrpc_pingbacks( $methods ) { unset( $methods['pingback.ping'], $methods['pingback.extensions.getPingbacks'] ); return $methods; } /* * Remove the `X-Pingback` header. * * @since 1.0 * * @param (array) $headers Headers set by WordPress. * * @return (array) / function secupress_fightspam_remove_x_pingback_header( $headers ) { unset( $headers['X-Pingback'] ); return $headers; } /* * Remove pingbacks from comments. * * @since 1.0 * * @param (array) $comments Comments. * * @return (array) / function secupress_fightspam_remove_pingbacks_from_comments( $comments ) { return array_filter( $comments, 'secupress_fightspam_filter_real_comments' ); } /* * Remove pingbacks from the comments count. * * @since 1.0 * * @param (int) $count Comments count. * @param (int) $post_id Post ID. * * @return (int) / function secupress_fightspam_comment_count_without_pingbacks( $count, $post_id ) { $comments = get_approved_comments( $post_id ); $comments = array_filter( $comments, 'secupress_fightspam_filter_real_comments' ); return count( $comments ); } /* * Used as callback for `array_filter()` to remove pingbacks from an array of comments. * * @since 1.0 * * @param (array) $comment A comment. * * @return (array) / function secupress_fightspam_filter_real_comments( $comment ) { return ! ( 'Pingback' === $comment->comment_type \|\| 'Trackback' === $comment->comment_type ); } /* * Print some CSS to hide the pingback checkbox in the Post edition window. * * @since 1.0 / function secupress_fightspam_no_pingstatus_css() { echo '<style type="text/css">label[for="ping_status"]{display: none;}</style>'; } /* --------------------------------------------------------------------------------------------- / /* HANDLING ERRORS ============================================================================= / /* --------------------------------------------------------------------------------------------- / add_action( 'comment_post', 'secupress_fightspam_maybe_schedule_retest', 10, 2 ); /* * Fires immediately after a comment is inserted into the database. * If a comment is not approved (`$comment_approved` value is 0), that means the service we rely on was unavailable at the moment. * In that case we schedule another test few minutes later. * * @since 1.0 * * @param (int) $comment_id The comment ID. * @param (int\|string) $comment_approved 1 if the comment is approved, 0 if not, 'spam' if spam, 'trash' if sent directly to trash. / function secupress_fightspam_maybe_schedule_retest( $comment_id, $comment_approved ) { if ( 0 !== (int) $comment_approved ) { return; } secupress_fightspam_schedule_retest( $comment_id ); } /* * Schedule a test. * * @since 1.0 * * @param (int) $comment_id The comment ID. / function secupress_fightspam_schedule_retest( $comment_id ) { $tests = secupress_get_transient( 'secupress_fightspam_retests' ); $tests = is_array( $tests ) ? $tests : array(); $tests[ $comment_id ] = time(); secupress_set_transient( 'secupress_fightspam_retests', $tests ); } add_action( 'secupress.plugins.loaded', 'secupress_fightspam_async_retests_init' ); /* * Initiate async retests class. * * @since 1.0 / function secupress_fightspam_async_retests_init() { secupress_require_class_async(); require_once( SECUPRESS_MODULES_PATH . 'antispam/plugins/inc/php/fightspam/class-secupress-background-process-fightspam-retest.php' ); SecuPress_Background_Process_Fightspam_Retest::get_instance(); add_action( 'init', 'secupress_fightspam_maybe_do_retests' ); } /* * Maybe process scheduled tests (test them again for spam). * * @since 1.0 / function secupress_fightspam_maybe_do_retests() { // Let's see if we have new ones. $tests = secupress_get_transient( 'secupress_fightspam_retests' ); if ( ! $tests \|\| ! is_array( $tests ) ) { // No problem. return; } $time = apply_filters( 'secupress.plugin.fightspam.minutes_between_retests', 1 ); if ( has_filter( 'secupress.plugin.fightspam.minutes_between_retests' ) ) { _deprecated_hook( 'secupress.plugin.fightspam.minutes_between_retests', '2.2.6', 'secupress.plugins.fightspam.minutes_between_retests' ); } /* * Filter the time between each retest. * * @since 1.0 * * @param (int) $time Time in minutes between each retest. / $time = apply_filters( 'secupress.plugins.fightspam.minutes_between_retests', $time ); $time = time() - absint( $time MINUTE_IN_SECONDS ); $retests = array(); foreach ( $tests as $comment_id => $comment_time ) { if ( $comment_time <= $time ) { // Delay is passed. $retests[] = $comment_id; unset( $tests[ $comment_id ] ); } } if ( ! $retests ) { // Nothing to retest yet. return; } // Remove retests from the list. if ( $tests ) { secupress_set_transient( 'secupress_fightspam_retests', $tests ); } else { secupress_delete_transient( 'secupress_fightspam_retests' ); } // Do retests asynchroniously. $process = SecuPress_Background_Process_Fightspam_Retest::get_instance(); array_map( array( $process, 'push_to_queue' ), $retests ); $process->save()->dispatch(); } /** --------------------------------------------------------------------------------------------- / /* TOOLS ======================================================================================= / /* --------------------------------------------------------------------------------------------- / /* * Shorthand to get the spam status setting. * * @since 1.0 * * @return (string) 'spam' or 'trash'. / function secupress_fightspam_get_spam_status_setting() { return secupress_get_module_option( 'antispam_mark-as', 'spam', 'antispam' ) === 'trash' ? 'trash' : 'spam'; } /* * Shorthand to get the spam status setting and trigger an action hook before that. * * @since 1.0 * * @param (string) $context Some context. * * @return (string) 'spam' or 'trash'. / function secupress_fightspam_return_spam_status_setting( $context ) { $approved = secupress_fightspam_get_spam_status_setting(); if ( has_action( 'secupress.plugin.fightspam.spam_status' ) ) { _deprecated_hook( 'secupress.plugin.fightspam.spam_status', '2.2.6', 'secupress.plugins.fightspam.spam_status' ); } do_action( 'secupress.plugin.fightspam.spam_status', $context, $approved ); /* * Fires before declaring a comment as spam. * * @since 1.0 * * @param (string) $context Some context. * @param (string) $approved The spam status set by the user in the plugin settings. / do_action( 'secupress.plugins.fightspam.spam_status', $context, $approved ); return $approved; } /* * Tell if spam needs to be tested. This is the same test used in `wp_allow_comment()`. * * @since 1.0 * * @param (array) $commentdata Comment data. * * @return (bool) False if the user is the post author or can moderate comments / function secupress_fightspam_needs_spam_check( $commentdata ) { global $wpdb; static $needs = array(); if ( ! isset( $commentdata['user_id'], $commentdata['comment_post_ID'] ) ) { return true; } $key = '#' . $commentdata['user_id'] . '#' . $commentdata['comment_post_ID']; if ( isset( $needs[ $key ] ) ) { return $needs[ $key ]; } if ( ! empty( $commentdata['user_id'] ) ) { $user = get_userdata( $commentdata['user_id'] ); $author = $wpdb->get_var( $wpdb->prepare( "SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $commentdata['comment_post_ID'] ) ); } if ( isset( $user ) && ( (int) $commentdata['user_id'] === (int) $author \|\| $user->has_cap( 'moderate_comments' ) ) ) { // The author and the admins get respect. $needs[ $key ] = false; } else { $needs[ $key ] = true; } return $needs[ $key ]; } /* * Get spam status. * * @since 1.0 * * @param (string) $value Username, IP, email, or URL. * * @return (string) "blacklisted", "safe", or "error". / function secupress_fightspam_get_spam_status( $value ) { if ( '' === $value \|\| secupress_ip_is_whitelisted( $value ) \|\| 0 === strpos( $value, home_url() ) ) { return 'safe'; } // $spam_cache = secupress_get_transient( 'secupress_fightspam_cache' ); // $spam_cache = is_array( $spam_cache ) ? $spam_cache : array(); // if ( $spam_cache ) { // foreach ( $spam_cache as $key => $data ) { // if ( time() > $spam_cache[ $key ]['timestamp'] ) { // unset( $spam_cache[ $key ] ); // } // } // } $is_url = false; $status = 'error'; if ( 'http:' === substr( $value, 0, 5 ) \|\| 'https:' === substr( $value, 0, 6 ) ) { $value = wp_parse_url( $value ); $value = isset( $value['host'] ) ? $value['host'] : false; $is_url = true; } $key = md5( $value ); // MD5 to avoid keeping readable data in DB (IP & email). if ( false !== $value && isset( $spam_cache[ $key ] ) && time() < $spam_cache[ $key ]['timestamp'] ) { return $spam_cache[ $key ]['status']; } // URL. if ( false !== $value && $is_url ) { $service_base_url = 'http://www.urlvoid.com/'; // First scan to initialize the entry if new. $url = $service_base_url . 'scan/' . $value; wp_remote_get( $url, array( 'timeout' => 2, 'blocking' => false ) ); // Force update the entry. $url = $service_base_url . 'update-report/' . $value; wp_remote_get( $url, array( 'timeout' => 10 ) ); // Scan the entry, updated. $url = $service_base_url . 'scan/' . $value; $response = wp_remote_get( $url, array( 'timeout' => 10 ) ); // Manage to get the status doing a parsing job. if ( ! is_wp_error( $response ) && 200 === wp_remote_retrieve_response_code( $response ) ) { if ( strpos( $response['body'], '<span class="label label-success">' ) > 0 ) { $status = 'safe'; } else { $status = 'blacklisted'; } } } // IP, Email, Username. else { $is_what = 'username'; if ( filter_var( $value, FILTER_VALIDATE_IP ) ) { $is_what = 'ip'; } elseif ( is_email( $value ) ) { $is_what = 'email'; } if ( 'username' !== $is_what ) { $service_base_url = 'https://api.stopforumspam.org/api?f=serial&' . $is_what . '=' . $value; $response = wp_remote_get( $service_base_url, array( 'timeout' => 5 ) ); if ( ! is_wp_error( $response ) && 200 === wp_remote_retrieve_response_code( $response ) ) { $results = maybe_unserialize( $response['body'] ); if ( isset( $results['success'], $results[ $is_what ] ) && $results['success'] ) { $status = 0 === (int) $results[ $is_what ]['frequency'] && ( ! isset( $results[ $is_what ]['confidence'] ) \|\| 1 < $results[ $is_what ]['confidence'] ) ? 'safe' : 'blacklisted'; } } } else { // We can't say "John" is a spammer just by it's name. SO, all username are "good" since they can't be a URL, already done earlier. $status = 'safe'; } } if ( 'error' !== $status ) { if ( 'blacklisted' === $status ) { if ( has_action( 'secupress.plugin.fightspam.comment_blacklisted' ) ) { _deprecated_hook( 'secupress.plugin.fightspam.comment_blacklisted', '2.2.6', 'secupress.plugins.fightspam.comment_blacklisted' ); } do_action( 'secupress.plugin.fightspam.comment_blacklisted', $value ); /* * Fires if the status is "blacklisted". * * @since 1.0 * * @param (string) $value Username, IP, email, or URL. / do_action( 'secupress.plugins.fightspam.comment_blacklisted', $value ); } // Cache the status for 30 days. $spam_cache[ $key ] = array( 'timestamp' => time() + 30 DAY_IN_SECONDS, 'status' => $status ); secupress_set_transient( 'secupress_fightspam_cache', $spam_cache ); } return $status; } add_action( 'comment_form_top', 'secupress_fightspam_dont_comment_too_soon_field' ); /** * Add our field at the top of the form * * @since 2.3 * @author Julio Potier / function secupress_fightspam_dont_comment_too_soon_field() { // Do not do it if the setting is not set if ( ! secupress_get_module_option( 'antispam_comment-delay', 1, 'antispam' ) ) { return; } // Trust the logged in users. if ( is_user_logged_in() ) { return; } // Our timer fields echo '<input type="hidden" name="secupress_dcts_timer" id="secupress_dcts_timer" value="' . date_i18n( 'U' ) . '" />'; echo '<input type="hidden" name="secupress_dcts_timer_witness" id="secupress_dcts_timer_witness" value="1" />'; } add_action( 'pre_comment_on_post', 'secupress_fightspam_dont_comment_too_soon_check', 9 ); / * Early block the comment if the timer is too short * * @author Julio Potier * @return void / function secupress_fightspam_dont_comment_too_soon_check() { // Do not do it if the setting is not set if ( ! secupress_get_module_option( 'antispam_comment-delay', 1, 'antispam' ) ) { return; } // Trust the logged in users. if ( is_user_logged_in() ) { return; } / * Filter the deffault timer, 30 by default / $secupress_dcts_timer = (int) apply_filters( 'secupress.plugins.fightspam.comment_timer', 30 ); if ( $secupress_dcts_timer <= 0 ) { $secupress_dcts_timer = 30; } // Timer is too short, block! if ( isset( $_POST['secupress_dcts_timer_witness'] ) \|\| ! isset( $_POST['secupress_dcts_timer'] ) \|\| ( date_i18n( 'U' ) - $_POST['secupress_dcts_timer'] ) < ( $secupress_dcts_timer + 1 ) ) { // +1sec because of page load secupress_block( 'ATS', __( 'Sorry, you cannot send that now.', 'secupress' ) ); } } add_action( 'wp_enqueue_scripts', 'secupress_dcts_timer_script' ); /* * Add a timer to change and disabled the submit button on the comment form using JS and i10n * * @since 2.4 * @author Julio Potier / function secupress_dcts_timer_script() { if ( ! secupress_get_module_option( 'antispam_comment-delay', 1, 'antispam' ) ) { return; } // Trust the logged in users. if ( is_user_logged_in() ) { return; } $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min'; $version = $suffix ? SECUPRESS_VERSION : time(); // Set our timer in PHP with a filter / * Filter the default timer, 30 by default * * @since 2.2.4.1 * * @param (int) * * @return (int) */ $dcts_timer = (int) apply_filters( 'secupress.plugins.fightspam.comment_timer', 30 ); // Just check if it's correct (>0) if ( $dcts_timer <= 0 ) { $dcts_timer = 30; } $gmt_offset = get_option( 'gmt_offset' ); // Get the 2 filtered IDs for the form $comment_form_defaults = [ 'id_form' => 'commentform', 'id_submit' => 'submit' ]; $comment_form_defaults = wp_parse_args( $comment_form_defaults, apply_filters( 'comment_form_defaults', $comment_form_defaults ) ); wp_enqueue_script( 'secupress-dcts-timer', SECUPRESS_ADMIN_JS_URL . 'secupress-antispam' . $suffix . '.js', null, $version, true ); wp_localize_script( 'secupress-dcts-timer', 'secupressDctsTimer', [ 'gmtOffset' => $gmt_offset, 'dctsTimer' => $dcts_timer, 'cfDefaults' => $comment_form_defaults, ] ); }

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