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Ticket #36901: 36901.9.diff

File 36901.9.diff, 12.0 KB (added by websupporter, 3 years ago)

Takes https://core.trac.wordpress.org/ticket/36901#comment:26 into account

  • src/wp-includes/comment.php

     
    581581 * Validates whether this comment is allowed to be made.
    582582 *
    583583 * @since 2.0.0
     584 * @since 4.7.0 The `$avoid_die` parameter was added.
    584585 *
    585586 * @global wpdb $wpdb WordPress database abstraction object.
    586587 *
    587  * @param array $commentdata Contains information on the comment
    588  * @return int|string Signifies the approval status (0|1|'spam')
     588 * @param array   $commentdata Contains information on the comment.
     589 * @param boolean $avoid_die   Should errors be returned as WP_Error objects
     590 *                             instead of executing wp_die()? Default false.
     591 * @return int|string|WP_Error Allowed comments return the approval status (0|1|'spam').
     592 *                             If $avoid_die is true, unallowed comments return a WP_Error.
    589593 */
    590 function wp_allow_comment( $commentdata ) {
     594function wp_allow_comment( $commentdata, $avoid_die = false ) {
    591595        global $wpdb;
    592596
    593597        // Simple duplicate check
     
    632636                 * @param array $commentdata Comment data.
    633637                 */
    634638                do_action( 'comment_duplicate_trigger', $commentdata );
    635                 if ( wp_doing_ajax() ) {
    636                         die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
     639                if ( true === $avoid_die ) {
     640                        return new WP_Error( 'comment_duplicate', __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 );
     641                } else {
     642                        if ( wp_doing_ajax() ) {
     643                                die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
     644                        }
     645
     646                        wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 );
    637647                }
    638                 wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 );
    639648        }
    640649
    641650        /**
     
    644653         * Allows checking for comment flooding.
    645654         *
    646655         * @since 2.3.0
     656         * @since 4.7.0 The `$avoid_die` parameter was added.
    647657         *
    648658         * @param string $comment_author_IP    Comment author's IP address.
    649659         * @param string $comment_author_email Comment author's email.
    650660         * @param string $comment_date_gmt     GMT date the comment was posted.
     661         * @param boolean $avoid_die           Prevent executing wp_die() or die()
     662         *                                     if a comment flood is occuring.
    651663         */
    652664        do_action(
    653665                'check_comment_flood',
    654666                $commentdata['comment_author_IP'],
    655667                $commentdata['comment_author_email'],
    656                 $commentdata['comment_date_gmt']
     668                $commentdata['comment_date_gmt'],
     669                $avoid_die
    657670        );
    658671
     672        /**
     673         * Filters whether a comment is part of a comment flood or not.
     674         *
     675         * @since 4.7.0
     676         *
     677         * @param boolean $is_flood                            Is a comment flooding occurring?
     678         *                                                     Default is false.
     679         * @param string  $commentdata['comment_author_IP']    Comment author's IP address.
     680         * @param string  $commentdata['comment_author_email'] Comment author's email.
     681         * @param string  $commentdata['comment_date_gmt']     GMT date the comment was posted.
     682         * @param boolean $avoid_die                           Prevent executing wp_die() or die()
     683         *                                                     if a comment flood is occuring.
     684         */
     685        $is_flood = apply_filters(
     686                'wp_is_comment_flood',
     687                false,
     688                $commentdata['comment_author_IP'],
     689                $commentdata['comment_author_email'],
     690                $commentdata['comment_date_gmt'],
     691                $avoid_die
     692        );
     693
     694        if ( $is_flood ) {
     695                return new WP_Error( 'comment_flood', __( 'You are posting comments too quickly. Slow down.' ), 429 );
     696        }
     697
    659698        if ( ! empty( $commentdata['user_id'] ) ) {
    660699                $user = get_userdata( $commentdata['user_id'] );
    661700                $post_author = $wpdb->get_var( $wpdb->prepare(
     
    708747}
    709748
    710749/**
     750 * Hooks WP's native database-based comment-flood check.
     751 *
     752 * @since 2.3.0
     753 * @since 4.7.0 Converted to be an add_filter() wrapper.
     754 *
     755 * @param string  $ip        Comment IP.
     756 * @param string  $email     Comment author email address.
     757 * @param string  $date      MySQL time string.
     758 * @param boolean $avoid_die Whether we want to avoid `wp_die()`.
     759 */
     760function check_comment_flood_db( $ip, $email, $date, $avoid_die = false ) {
     761        if ( $avoid_die === false ) {
     762                // We run the comment flood check and die in case of a flood.
     763                wp_check_comment_flood( false, $ip, $email, $date, $avoid_die );
     764        } else {
     765
     766                // We hook the check in the wp_is_comment_flood ( executed right after
     767                // the check_comment_flood action in wp_allow_comment() ) and we will
     768                // survive the flood.
     769                add_filter( 'wp_is_comment_flood', 'wp_check_comment_flood', 10, 5 );
     770        }
     771}
     772
     773/**
    711774 * Check whether comment flooding is occurring.
    712775 *
    713776 * Won't run, if current user can manage options, so to not block
    714777 * administrators.
    715778 *
    716  * @since 2.3.0
     779 * @since 4.7.0
    717780 *
    718781 * @global wpdb $wpdb WordPress database abstraction object.
    719782 *
    720  * @param string $ip Comment IP.
    721  * @param string $email Comment author email address.
    722  * @param string $date MySQL time string.
     783 * @param boolean $is_flood  Is a comment flooding occurring?
     784 * @param string  $ip        Comment IP.
     785 * @param string  $email     Comment author email address.
     786 * @param string  $date      MySQL time string.
     787 * @param boolean $avoid_die Prevent executing wp_die() or die() if a
     788 *                           comment flood is occuring. Default is false.
     789 * @return boolean           Whether comment flooding is occurring.
    723790 */
    724 function check_comment_flood_db( $ip, $email, $date ) {
     791function wp_check_comment_flood( $is_flood, $ip, $email, $date, $avoid_die = false ) {
     792
    725793        global $wpdb;
     794
     795        if ( true === $is_flood ) {
     796                return $is_flood;
     797        }
     798
    726799        // don't throttle admins or moderators
    727800        if ( current_user_can( 'manage_options' ) || current_user_can( 'moderate_comments' ) ) {
    728                 return;
     801                return false;
    729802        }
    730803        $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
    731804
     
    767840                         * @param int $time_newcomment  Timestamp of when the new comment was posted.
    768841                         */
    769842                        do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
     843                        if ( true === $avoid_die ) {
     844                                return true;
     845                        } else {
     846                                if ( wp_doing_ajax() ) {
     847                                        die( __('You are posting comments too quickly. Slow down.') );
     848                                }
    770849
    771                         if ( wp_doing_ajax() )
    772                                 die( __('You are posting comments too quickly. Slow down.') );
    773 
    774                         wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 );
     850                                wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 );
     851                        }
    775852                }
    776853        }
     854
     855        return false;
    777856}
    778857
    779858/**
     
    17171796 *
    17181797 * @since 1.5.0
    17191798 * @since 4.3.0 'comment_agent' and 'comment_author_IP' can be set via `$commentdata`.
     1799 * @since 4.7.0 The `$avoid_die` parameter was added.
    17201800 *
    17211801 * @see wp_insert_comment()
    17221802 * @global wpdb $wpdb WordPress database abstraction object.
     
    17401820 *     @type string $comment_author_IP    Comment author IP address in IPv4 format. Default is the value of
    17411821 *                                        'REMOTE_ADDR' in the `$_SERVER` superglobal sent in the original request.
    17421822 * }
    1743  * @return int|false The ID of the comment on success, false on failure.
     1823 * @param boolean $avoid_die Should errors be returned as WP_Error objects instead of
     1824 *                           executing wp_die()? Default false.
     1825 * @return int|false|WP_Error The ID of the comment on success, false or WP_Error on failure.
    17441826 */
    1745 function wp_new_comment( $commentdata ) {
     1827function wp_new_comment( $commentdata, $avoid_die = false ) {
    17461828        global $wpdb;
    17471829
    17481830        if ( isset( $commentdata['user_ID'] ) ) {
     
    17911873
    17921874        $commentdata = wp_filter_comment($commentdata);
    17931875
    1794         $commentdata['comment_approved'] = wp_allow_comment($commentdata);
     1876        $commentdata['comment_approved'] = wp_allow_comment( $commentdata, $avoid_die );
     1877        if ( is_wp_error( $commentdata['comment_approved'] ) ) {
     1878                return $commentdata['comment_approved'];
     1879        }
    17951880
    17961881        $comment_ID = wp_insert_comment($commentdata);
    17971882        if ( ! $comment_ID ) {
     
    18051890
    18061891                $commentdata = wp_filter_comment( $commentdata );
    18071892
    1808                 $commentdata['comment_approved'] = wp_allow_comment( $commentdata );
     1893                $commentdata['comment_approved'] = wp_allow_comment( $commentdata, $avoid_die );
     1894                if ( is_wp_error( $commentdata['comment_approved'] ) ) {
     1895                        return $commentdata['comment_approved'];
     1896                }
    18091897
    18101898                $comment_ID = wp_insert_comment( $commentdata );
    18111899                if ( ! $comment_ID ) {
     
    29273015                'user_ID'
    29283016        );
    29293017
    2930         $comment_id = wp_new_comment( wp_slash( $commentdata ) );
     3018        $comment_id = wp_new_comment( wp_slash( $commentdata ), true );
     3019        if ( is_wp_error( $comment_id ) ) {
     3020                return $comment_id;
     3021        }
     3022
    29313023        if ( ! $comment_id ) {
    29323024                return new WP_Error( 'comment_save_error', __( '<strong>ERROR</strong>: The comment could not be saved. Please try again later.' ), 500 );
    29333025        }
    29343026
    29353027        return get_comment( $comment_id );
    2936 
    29373028}
  • src/wp-includes/default-filters.php

     
    197197add_filter( 'teeny_mce_before_init',    '_mce_set_direction'                  );
    198198add_filter( 'pre_kses',                 'wp_pre_kses_less_than'               );
    199199add_filter( 'sanitize_title',           'sanitize_title_with_dashes',   10, 3 );
    200 add_action( 'check_comment_flood',      'check_comment_flood_db',       10, 3 );
     200add_action( 'check_comment_flood',      'check_comment_flood_db',       10, 4 );
    201201add_filter( 'comment_flood_filter',     'wp_throttle_comment_flood',    10, 3 );
    202202add_filter( 'pre_comment_content',      'wp_rel_nofollow',              15    );
    203203add_filter( 'comment_email',            'antispambot'                         );
  • tests/phpunit/tests/comment-submission.php

     
    714714                return $commentdata;
    715715        }
    716716
     717        /**
     718         * @ticket 36901
     719         */
     720        public function test_submitting_duplicate_comments() {
     721                $post = self::factory()->post->create_and_get( array(
     722                        'post_status' => 'publish',
     723                ) );
     724                $data = array(
     725                        'comment_post_ID' => $post->ID,
     726                        'comment'         => 'Did I say that?',
     727                        'author'          => 'Repeat myself',
     728                        'email'           => 'mail@example.com',
     729                );
     730                $first_comment = wp_handle_comment_submission( $data );
     731                $second_comment = wp_handle_comment_submission( $data );
     732                $this->assertWPError( $second_comment );
     733                $this->assertSame( 'comment_duplicate', $second_comment->get_error_code() );
     734        }
     735
     736        /**
     737         * @ticket 36901
     738         */
     739        public function test_comments_flood() {
     740                $post = self::factory()->post->create_and_get( array(
     741                        'post_status' => 'publish',
     742                ) );
     743                $data = array(
     744                        'comment_post_ID' => $post->ID,
     745                        'comment'         => 'Did I say that?',
     746                        'author'          => 'Repeat myself',
     747                        'email'           => 'mail@example.com',
     748                );
     749                $first_comment = wp_handle_comment_submission( $data );
     750
     751                $data['comment'] = 'Wow! I am quick!';
     752                $second_comment = wp_handle_comment_submission( $data );
     753
     754                $this->assertWPError( $second_comment );
     755                $this->assertSame( 'comment_flood', $second_comment->get_error_code() );
     756        }
     757
     758        /**
     759         * @ticket 36901
     760         */
     761        public function test_comments_flood_user_is_admin() {
     762                $user = self::factory()->user->create_and_get( array(
     763                        'role' => 'administrator',
     764                ) );
     765                wp_set_current_user( $user->ID );
     766
     767                $post = self::factory()->post->create_and_get( array(
     768                        'post_status' => 'publish',
     769                ) );
     770                $data = array(
     771                        'comment_post_ID' => $post->ID,
     772                        'comment'         => 'Did I say that?',
     773                        'author'          => 'Repeat myself',
     774                        'email'           => 'mail@example.com',
     775                );
     776                $first_comment = wp_handle_comment_submission( $data );
     777
     778                $data['comment'] = 'Wow! I am quick!';
     779                $second_comment = wp_handle_comment_submission( $data );
     780
     781                $this->assertNotWPError( $second_comment );
     782                $this->assertEquals( $post->ID, $second_comment->comment_post_ID );
     783        }
    717784}