init_defaults(); $this->init_cans(); $this->init(); add_action( 'wpforo_after_init_classes', function() { if( WPF()->is_installed() ) $this->init_current_user_accesses(); } ); add_action( 'wpforo_after_change_board', function() { if( WPF()->is_installed() && ! is_null( WPF()->forum ) ) $this->init_current_user_accesses(); } ); } private function init_defaults() { $this->default = new stdClass; $this->default->access = [ 'accessid' => 0, 'access' => '', 'title' => '', 'cans' => '', ]; $this->default->cans = [ 'vf' => __( 'Can view forum', 'wpforo' ), 'enf' => __( 'Can enter forum', 'wpforo' ), 'ct' => __( 'Can create topic', 'wpforo' ), 'vt' => __( 'Can view topic', 'wpforo' ), 'ent' => __( 'Can enter topic', 'wpforo' ), 'et' => __( 'Can edit topic', 'wpforo' ), 'dt' => __( 'Can delete topic', 'wpforo' ), 'cr' => __( 'Can post reply', 'wpforo' ), 'ocr' => __( 'Can reply to own topic', 'wpforo' ), 'vr' => __( 'Can view replies', 'wpforo' ), 'er' => __( 'Can edit replies', 'wpforo' ), 'dr' => __( 'Can delete replies', 'wpforo' ), 'eot' => __( 'Can edit own topic', 'wpforo' ), 'eor' => __( 'Can edit own reply', 'wpforo' ), 'dot' => __( 'Can delete own topic', 'wpforo' ), 'dor' => __( 'Can delete own reply', 'wpforo' ), 'tag' => __( 'Can add tags', 'wpforo' ), 'sb' => __( 'Can subscribe', 'wpforo' ), 'l' => __( 'Can like', 'wpforo' ), 'r' => __( 'Can report', 'wpforo' ), 's' => __( 'Can set topic sticky', 'wpforo' ), 'p' => __( 'Can set topic private', 'wpforo' ), 'op' => __( 'Can set own topic private', 'wpforo' ), 'vp' => __( 'Can view private topic', 'wpforo' ), 'au' => __( 'Can approve/unapprove content', 'wpforo' ), 'sv' => __( 'Can set topic solved', 'wpforo' ), 'osv' => __( 'Can set own topic solved', 'wpforo' ), 'v' => __( 'Can vote', 'wpforo' ), 'vop' => __( 'Can leave voice posts', 'wpforo' ), 'vlp' => __( 'Can listen voice posts', 'wpforo' ), 'a' => __( 'Can attach file', 'wpforo' ), 'va' => __( 'Can view attached files', 'wpforo' ), 'at' => __( 'Can set topic answered', 'wpforo' ), 'oat' => __( 'Can set own topic answered', 'wpforo' ), 'aot' => __( 'Can answer own question', 'wpforo' ), 'cot' => __( 'Can close topic', 'wpforo' ), 'mt' => __( 'Can move topic', 'wpforo' ), // Poll-related permissions moved to wpForo Polls plugin ]; } private function init_cans() { $this->cans = apply_filters( 'wpforo_init_cans', $this->default->cans ); } private function init() { if( WPF()->is_installed() ) { if( $accesses = $this->get_accesses() ) { foreach( $accesses as $access ) { $this->accesses[ intval( $access['accessid'] ) ] = $this->accesses[ $access['access'] ] = $access; } } } } private function init_current_user_accesses() { WPF()->current_user_accesses = $this->get_forum_accesses_by_usergroup(); } public function fix_access( $access ) { $access = wpforo_array_args_cast_and_merge( (array) $access, $this->default->access ); $cans = array_map( '__return_zero', $this->cans ); $access['cans'] = maybe_unserialize( $access['cans'] ); if( is_array( $access['cans'] ) ) { $access['cans'] = wpforo_array_args_cast_and_merge( $access['cans'], $cans ); } else { $access['cans'] = $cans; } return $access; } /** * * @param string|int $access * * @return array access row by access key */ function get_access( $access ) { if( wpforo_is_id( $access ) ) { $access = intval( $access ); } else { $access = sanitize_text_field( $access ); } if( ! empty( $this->accesses[ $access ] ) ) return $this->accesses[ $access ]; $sql = "SELECT * FROM " . WPF()->tables->accesses; if( is_int( $access ) ) { $sql .= " WHERE `accessid` = %d"; } else { $sql .= " WHERE `access` = %s"; } $access_row = $this->fix_access( WPF()->db->get_row( WPF()->db->prepare( $sql, $access ), ARRAY_A ) ); /** * Filter after getting an access row to allow add-ons to adjust permissions dynamically. * Example: Polls add-on sets default poll permissions per access level. * * @since 2.4.0 * @param array $access_row */ $access_row = apply_filters( 'wpforo_after_get_access', $access_row ); return $access_row; } /** * get all accesses from accesses table * * @return array|null */ function get_accesses() { $sql = "SELECT * FROM " . WPF()->tables->accesses . " ORDER BY `accessid`"; $rows = array_map( [ $this, 'fix_access' ], WPF()->db->get_results( $sql, ARRAY_A ) ); // Allow add-ons to adjust each access after retrieval (e.g., apply default poll permissions) $rows = array_map( function( $row ) { return apply_filters( 'wpforo_after_get_access', $row ); }, $rows ); return $rows; } /** * @param array $access * * @return int|bool inserted id or false */ function add( $access ) { if( ! ( $access['title'] = sanitize_text_field( $access['title'] ) ) ) { WPF()->notice->add( 'Access title is empty', 'error' ); return false; } if( ! $access['access'] ) $access['access'] = uniqid(); /** * Allow add-ons to adjust access data before adding. * Example: Polls add-on injects default poll permissions. * * @since 2.4.0 * @param array $access */ $access = apply_filters( 'wpforo_before_add_access', $access ); $i = 2; $slug = $access['access']; while( WPF()->db->get_var( WPF()->db->prepare( "SELECT `access` FROM " . WPF()->tables->accesses . " WHERE `access` = %s", sanitize_text_field( $slug ) ) ) ) { $slug = $access['access'] . '-' . $i; $i ++; } if( WPF()->db->insert( WPF()->tables->accesses, [ 'title' => $access['title'], 'access' => sanitize_text_field( $slug ), 'cans' => serialize( $access['cans'] ), ], [ '%s', '%s', '%s', ] ) ) { $access['accessid'] = WPF()->db->insert_id; WPF()->notice->add( 'Access successfully added', 'success' ); return $access['accessid']; } WPF()->notice->add( 'Access add error', 'error' ); return false; } /** * @param array $access * * @return bool|int edited id or false */ function edit( $access ) { /** * Allow add-ons to adjust access data before editing. * Example: Polls add-on injects/ensures poll permissions are present. * * @since 2.4.0 * @param array $access */ $access = apply_filters( 'wpforo_before_edit_access', $access ); if( false !== WPF()->db->update( WPF()->tables->accesses, [ 'title' => sanitize_text_field( $access['title'] ), 'cans' => serialize( $access['cans'] ), ], [ 'accessid' => $access['accessid'], ], [ '%s', '%s' ], [ '%d' ] ) ) { WPF()->notice->add( 'Access successfully edited', 'success' ); return $access['accessid']; } WPF()->notice->add( 'Access edit error', 'error' ); return false; } /** * @param int $accessid * * @return bool|int deleted id or false */ function delete( $accessid ) { $accessid = intval( $accessid ); if( ! $accessid ) { WPF()->notice->add( 'Access delete error', 'error' ); return false; } if( false !== WPF()->db->delete( WPF()->tables->accesses, [ 'accessid' => $accessid ], [ '%d' ] ) ) { WPF()->notice->add( 'Access successfully deleted', 'success' ); return $accessid; } WPF()->notice->add( 'Access delete error', 'error' ); return false; } function forum_can( $do, $forumid = null, $groupids = null ) { /** * filter for other add-ons to manage can_attach bool value. * e.g. PM add-on attachment function. */ $filter_forum_can = apply_filters( 'wpforo_permissions_forum_can', null, $do, $forumid, $groupids ); if( ! is_null( $filter_forum_can ) ) return (int) (bool) $filter_forum_can; if( ( is_null( $groupids ) && ! WPF()->current_user_groupids ) || ! $do ) return 0; //User Forum accesses from Current Object of Current user if( is_null( $groupids ) && WPF()->current_user_accesses ) { $forum_id = (int) ( is_null( $forumid ) ? wpfval( WPF()->current_object, 'forum', 'forumid' ) : ( wpfkey( $forumid, 'forumid' ) ? $forumid['forumid'] : $forumid ) ); if( $forum_id && ( $forum_accesses = wpfval( WPF()->current_user_accesses, $forum_id ) ) ) { foreach( $forum_accesses as $cans ) { if( (int) wpfval( $cans, $do ) ) return 1; } } return 0; } //Use Custom User Forum Accesses $forum = is_null( $forumid ) ? WPF()->current_object['forum'] : ( ! wpfkey( $forumid, 'forumid' ) ? WPF()->forum->get_forum( $forumid ) : $forumid ); if( $forum ) { $permissions = maybe_unserialize( $forum['permissions'] ); if( is_null( $groupids ) ) $groupids = WPF()->current_user_groupids; $groupids = array_map( 'intval', (array) $groupids ); foreach( $groupids as $groupid ) { if( $_access = wpfval( $permissions, $groupid ) ) { $access = $this->get_access( $_access ); if( (int) wpfval( $access, 'cans', $do ) ) return 1; } } } return 0; } function user_can_manage_user( $user_id, $managing_user_id ) { if( ! $user_id || ! $managing_user_id ) return false; if( $user_id == $managing_user_id ) return true; $user = new WP_User( $user_id ); $user_level = $this->user_wp_level( $user ); if( ! empty( $user->roles ) && is_array( $user->roles ) ) $user_role = array_shift( $user->roles ); $managing_user = new WP_User( $managing_user_id ); $managing_user_level = $this->user_wp_level( $managing_user ); if( ! empty( $managing_user->roles ) && is_array( $managing_user->roles ) ) $managing_user_role = array_shift( $managing_user->roles ); if( (int) $user_level > (int) $managing_user_level ) { return true; } elseif( $user_id == 1 && $user_role === 'administrator' ) { return true; } elseif( (int) $user_level === (int) $managing_user_level ) { $member = WPF()->member->get_member( $user_id ); $managing_member = WPF()->member->get_member( $managing_user_id ); $user_wpforo_can = WPF()->usergroup->can( 'em', $member['groupids'] ); $managing_user_wpforo_can = WPF()->usergroup->can( 'em', $managing_member['groupids'] ); if( $user_wpforo_can && ! $managing_user_wpforo_can ) { return true; } else { return false; } } elseif( $user_id != 1 && $managing_user_id == 1 && $managing_user_role === 'administrator' ) { return false; } else { return false; } } function user_wp_level( $user_object ) { $level = 0; $levels = []; if( is_int( $user_object ) ) { $user_object = new WP_User( $user_object ); } if( isset( $user_object->allcaps ) && is_array( $user_object->allcaps ) && ! empty( $user_object->allcaps ) ) { foreach( $user_object->allcaps as $level_key => $level_value ) { if( strpos( (string) $level_key, 'level_' ) !== false && $level_value == 1 ) { $levels[] = intval( str_replace( 'level_', '', $level_key ) ); } } if( ! empty( $levels ) ) { $level = max( $levels ); } } return $level; } function can_edit_user( $userid ) { if( ! $userid ) return false; if( ! $this->user_can_edit_account( $userid ) ) { WPF()->notice->clear(); WPF()->notice->add( 'Permission denied', 'error' ); wp_safe_redirect( wpforo_get_request_uri() ); exit(); } return true; } public function can_link() { if( ! WPF()->usergroup->can( 'em' ) ) { $posts = WPF()->member->member_approved_posts( WPF()->current_userid ); $posts = intval( $posts ); if( ( $min_posts = wpforo_setting( 'antispam', 'min_number_posts_to_link' ) ) && $posts <= $min_posts ) return false; } return true; } public function can_attach( $forumid = null ) { if( ! $forumid ) $forumid = null; /** * filter for other add-ons to manage can_attach bool value. * e.g. PM add-on attachment function. */ $filter_wpforo_can_attach = apply_filters( 'wpforo_can_attach', null, $forumid ); if( ! is_null( $filter_wpforo_can_attach ) ) return (bool) $filter_wpforo_can_attach; if( ! $this->forum_can( 'a', $forumid ) ) return false; if( ! WPF()->usergroup->can( 'em' ) ) { $posts = WPF()->member->member_approved_posts( WPF()->current_userid ); $posts = intval( $posts ); if( ( $min_posts = wpforo_setting( 'antispam', 'min_number_posts_to_attach' ) ) && $posts <= $min_posts ) return false; } return true; } public function can_attach_file_type( $ext = '' ) { if( ! WPF()->usergroup->can( 'em' ) && WPF()->member->current_user_is_new() && in_array( $ext, wpforo_setting( 'antispam', 'limited_file_ext' ) ) ) return false; return true; } /** * Check if user can post now based on flood protection settings * * @param string $flood_reason Reference to store the reason if blocked * @return bool|string True if can post, false if blocked, 'unapprove' if should be unapproved */ public function can_post_now( &$flood_reason = '' ) { if( wpforo_is_admin() || ( defined( 'IS_GO2WPFORO' ) && IS_GO2WPFORO ) ) { return true; } // Users with "Dashboard - Moderate Topics & Posts" permission bypass flood protection if( WPF()->usergroup->can( 'aum' ) ) { return true; } $userid = WPF()->current_userid; $email = $userid ? '' : WPF()->current_user_email; $groupid = WPF()->current_user_groupid; if( WPF()->member->current_user_is_new() ) { $groupid = 0; } // Check for temporary ban first if( $this->is_flood_banned() ) { $flood_reason = 'temp_ban'; return false; } // Legacy flood interval check (per user group) if( $flood_interval = WPF()->usergroup->get_flood_interval( $groupid ) ) { $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS ); $args = [ 'userid' => $userid, 'email' => $email, 'orderby' => '`created` DESC, `postid` DESC', 'row_count' => 1, 'where' => "`created` >= '$hour_ago'", ]; $items_count = 0; $lastpost = WPF()->post->get_posts( $args, $items_count, false ); if( $lasttime = wpfval( $lastpost, 0, 'created' ) ) { $lasttime = strtotime( $lasttime . ' GMT' ); $nowtime = time(); $diff = $nowtime - $lasttime; if( $diff < $flood_interval ) { $flood_reason = 'interval'; return false; } } } // Advanced flood protection checks if( ! wpforo_setting( 'antispam', 'flood_protection_enabled' ) ) { return true; } // Check posts per minute $posts_per_minute = (int) wpforo_setting( 'antispam', 'flood_posts_per_minute' ); if( $posts_per_minute > 0 ) { $minute_ago = gmdate( 'Y-m-d H:i:s', time() - 60 ); $count = $this->get_user_post_count_since( $userid, $email, $minute_ago ); if( $count >= $posts_per_minute ) { $flood_reason = 'per_minute'; return $this->handle_flood_action(); } } // Check posts per hour $posts_per_hour = (int) wpforo_setting( 'antispam', 'flood_posts_per_hour' ); if( $posts_per_hour > 0 ) { $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS ); $count = $this->get_user_post_count_since( $userid, $email, $hour_ago ); if( $count >= $posts_per_hour ) { $flood_reason = 'per_hour'; return $this->handle_flood_action(); } } // IP-based flood protection (tracked via transients since posts table has no IP column) if( wpforo_setting( 'antispam', 'flood_ip_protection_enabled' ) ) { $posts_per_ip_hour = (int) wpforo_setting( 'antispam', 'flood_posts_per_ip_hour' ); if( $posts_per_ip_hour > 0 ) { $ip = $this->get_user_ip(); if( $ip ) { $count = $this->get_ip_post_count_in_window( $ip, HOUR_IN_SECONDS ); if( $count >= $posts_per_ip_hour ) { $flood_reason = 'ip_per_hour'; return $this->handle_flood_action(); } } } } // All checks passed - record IP post attempt for IP-based tracking if( wpforo_setting( 'antispam', 'flood_ip_protection_enabled' ) ) { $ip = $this->get_user_ip(); if( $ip ) { $this->record_ip_post_attempt( $ip ); } } return true; } /** * Get the current user's IP address * * @return string|null IP address or null if not available */ private function get_user_ip() { // Check for forwarded IP first (behind proxy/load balancer) $headers = [ 'HTTP_CF_CONNECTING_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_REAL_IP', 'REMOTE_ADDR' ]; foreach( $headers as $header ) { if( ! empty( $_SERVER[ $header ] ) ) { $ip = $_SERVER[ $header ]; // HTTP_X_FORWARDED_FOR can contain multiple IPs, get the first one if( strpos( $ip, ',' ) !== false ) { $ip = trim( explode( ',', $ip )[0] ); } if( filter_var( $ip, FILTER_VALIDATE_IP ) ) { return $ip; } } } return null; } /** * Get post count for a user since a specific time * * @param int $userid User ID * @param string $email Email for guests * @param string $since MySQL datetime string * @return int Post count */ private function get_user_post_count_since( $userid, $email, $since ) { $posts_table = WPF()->tables->posts; if( $userid ) { $count = WPF()->db->get_var( WPF()->db->prepare( "SELECT COUNT(*) FROM `{$posts_table}` WHERE `userid` = %d AND `created` >= %s", $userid, $since ) ); } elseif( $email ) { $count = WPF()->db->get_var( WPF()->db->prepare( "SELECT COUNT(*) FROM `{$posts_table}` WHERE `email` = %s AND `created` >= %s", $email, $since ) ); } else { return 0; } return (int) $count; } /** * Get post count for an IP address within a time window (using transients) * * @param string $ip IP address * @param int $window_seconds Time window in seconds * @return int Post count */ private function get_ip_post_count_in_window( $ip, $window_seconds ) { $key = 'wpforo_ip_posts_' . md5( $ip ); $timestamps = get_transient( $key ); if( ! is_array( $timestamps ) ) { return 0; } // Filter to only include timestamps within the window $cutoff = time() - $window_seconds; $valid_timestamps = array_filter( $timestamps, function( $ts ) use ( $cutoff ) { return $ts >= $cutoff; }); return count( $valid_timestamps ); } /** * Record an IP post attempt for flood tracking * * @param string $ip IP address */ private function record_ip_post_attempt( $ip ) { $key = 'wpforo_ip_posts_' . md5( $ip ); $timestamps = get_transient( $key ); if( ! is_array( $timestamps ) ) { $timestamps = []; } // Add current timestamp $timestamps[] = time(); // Clean old entries (keep last hour only) $cutoff = time() - HOUR_IN_SECONDS; $timestamps = array_filter( $timestamps, function( $ts ) use ( $cutoff ) { return $ts >= $cutoff; }); // Re-index array and store with 1-hour expiration $timestamps = array_values( $timestamps ); set_transient( $key, $timestamps, HOUR_IN_SECONDS ); } /** * Handle flood action based on settings * * @return bool|string False to block, 'unapprove' to allow but unapprove */ private function handle_flood_action() { $action = wpforo_setting( 'antispam', 'flood_action' ); if( $action === 'temp_ban' ) { $this->set_flood_ban(); return false; } if( $action === 'unapprove' ) { return 'unapprove'; } // Default: block return false; } /** * Set a temporary flood ban for the current user/IP */ private function set_flood_ban() { $duration = (int) wpforo_setting( 'antispam', 'flood_temp_ban_duration' ); $ban_until = time() + ( $duration * 60 ); $userid = WPF()->current_userid; $ip = $this->get_user_ip(); // Store ban in transient (keyed by user ID or IP) if( $userid ) { set_transient( 'wpforo_flood_ban_user_' . $userid, $ban_until, $duration * 60 ); } if( $ip ) { set_transient( 'wpforo_flood_ban_ip_' . md5( $ip ), $ban_until, $duration * 60 ); } } /** * Check if the current user/IP is temporarily banned for flooding * * @return bool True if banned */ public function is_flood_banned() { $userid = WPF()->current_userid; $ip = $this->get_user_ip(); // Check user ban if( $userid ) { $ban_until = get_transient( 'wpforo_flood_ban_user_' . $userid ); if( $ban_until && time() < $ban_until ) { return true; } } // Check IP ban if( $ip ) { $ban_until = get_transient( 'wpforo_flood_ban_ip_' . md5( $ip ) ); if( $ban_until && time() < $ban_until ) { return true; } } return false; } /** * Get remaining flood ban time in seconds * * @return int Seconds remaining, 0 if not banned */ public function get_flood_ban_remaining() { $userid = WPF()->current_userid; $ip = $this->get_user_ip(); $max_remaining = 0; if( $userid ) { $ban_until = get_transient( 'wpforo_flood_ban_user_' . $userid ); if( $ban_until && time() < $ban_until ) { $max_remaining = max( $max_remaining, $ban_until - time() ); } } if( $ip ) { $ban_until = get_transient( 'wpforo_flood_ban_ip_' . md5( $ip ) ); if( $ban_until && time() < $ban_until ) { $max_remaining = max( $max_remaining, $ban_until - time() ); } } return $max_remaining; } public function get_forum_accesses_by_usergroup( $groupids = [] ) { $forum_accesses = []; if( ! $groupids ) $groupids = WPF()->current_user_groupids; if( ( $groupids = array_map( 'intval', (array) $groupids ) ) && ( $forums = WPF()->forum->get_forums() ) ) { foreach( $forums as $forum ) { if( $permissions = maybe_unserialize( $forum['permissions'] ) ) { foreach( $groupids as $groupid ) { $access = wpfval( $permissions, $groupid ); if( $_access = $this->get_access( $access ) ) { if( $cans = wpfval( $_access, 'cans' ) ) { if( ! wpfkey( $forum_accesses, $forum['forumid'], $access ) ) $forum_accesses[ $forum['forumid'] ][ $access ] = $cans; } } } } } } return apply_filters( 'wpforo_permissions_forum_accesses_by_usergroup', $forum_accesses, $groupids ); } public function show_accesses_selectbox( $selected = [], $exclude = [] ) { $accesses = $this->get_accesses(); foreach( $accesses as $accesse ) { if( in_array( $accesse['access'], (array) $exclude ) ) continue; printf( '', esc_attr( $accesse['access'] ), in_array( $accesse['access'], (array) $selected ) ? 'selected' : '', esc_html( $accesse['title'] ) ); } } /** * @param array|int $owner * @param array|int $user * * @return bool */ public function user_can_edit_account( $owner = [], $user = [] ) { if( ! $user ) $user = WPF()->current_user; if( ! $owner ) $owner = WPF()->current_object['user']; if( wpforo_is_id( $owner ) ) $owner = WPF()->member->get_member( $owner ); if( wpforo_is_id( $user ) ) $user = WPF()->member->get_member( $user ); if( ! $user || ! $owner ) return false; $is_users_same = wpforo_is_users_same( $user, $owner ); return wpforo_user_is( $user['userid'], 'admin' ) || ( WPF()->usergroup->can( 'em', $user['groupids'] ) && $this->user_can_manage_user( $user['userid'], $owner['userid'] ) ) || ( $is_users_same && wpforo_user_is( $user['userid'], 'moderator' ) ) || ( $is_users_same && $user['posts'] >= wpforo_setting( 'antispam', 'min_number_posts_to_edit_account' ) ); } public function can_report( $forumid, $groupids = null ): bool { if( ( is_null( $groupids ) && ! WPF()->current_user_groupids ) ) return false; if( is_null( $groupids ) ) $groupids = WPF()->current_user_groupids; $res = WPF()->current_userid && ! in_array( WPF()->current_user_status, [ 'banned', 'trashed' ] ) && ! WPF()->member->current_user_is_new() && $this->forum_can( 'r', $forumid, $groupids ); return apply_filters( 'wpforo_can_report', $res, $forumid, $groupids ); } }