fembooru/ext/chatbox/php/ajaxcall.class.php

<?php
    class AjaxCall
    {
        public $reqType;
        public $updates;

        public function AjaxCall($log = null)
        {
            header('Content-type: application/json');
            session_start();
            
            if (isset($log)) {
                $_SESSION['yLog'] = $log;
            }
            
            $this->reqType = $_POST['reqType'];
        }

        public function process()
        {
            switch ($this->reqType) {
                case 'init':

                    $this->initSession();
                    $this->sendFirstUpdates();
                    break;

                case 'post':
                    $nickname = $_POST['nickname'];
                    $message = $_POST['message'];
                    cookie('yNickname', $nickname);
                    $ys = ys($_SESSION['yLog']);
                    
                    if ($ys->banned(ip())) {
                        $this->sendBanned();
                        break;
                    }
                    if ($post = $ys->post($nickname, $message)) {
                        // To use $post somewheres later
                        $this->sendUpdates();
                    }
                    break;

                case 'refresh':
                    $ys = ys($_SESSION['yLog']);
                    if ($ys->banned(ip())) {
                        $this->sendBanned();
                        break;
                    }
                    
                        $this->sendUpdates();
                    break;

                case 'reload':
                    $this->reload();
                    break;
                    
                case 'ban':
                    $this->doBan();
                    break;

                case 'unban':
                    $this->doUnban();
                    break;
                    
                case 'delete':
                    $this->doDelete();
                    break;

                case 'banself':
                    $this->banSelf();
                    break;

                case 'unbanself':
                    $this->unbanSelf();
                    break;

                case 'clearlog':
                    $this->clearLog();
                    break;
                
                case 'clearlogs':
                    $this->clearLogs();
                    break;
            }
        }

        public function doBan()
        {
            $ip = $_POST['ip'];
            $nickname = $_POST['nickname'];
            $send = [];
            $ys = ys($_SESSION['yLog']);

            switch (true) {
                case !loggedIn():
                    $send['error'] = 'admin';
                    break;
                case $ys->banned($ip):
                    $send['error'] = 'already';
                    break;
                default:
                    $ys->ban($ip, $nickname);
                    if ($ip == ip()) {
                        $send['bannedSelf'] = true;
                    }
                    $send['error'] = false;
            }

            echo json_encode($send);
        }

        public function doUnban()
        {
            $ip = $_POST['ip'];
            $send = [];
            $ys = ys($_SESSION['yLog']);

            switch (true) {
                case !loggedIn():
                    $send['error'] = 'admin';
                    break;
                case !$ys->banned($ip):
                    $send['error'] = 'already';
                    break;
                default:
                    $ys->unban($ip);
                    $send['error'] = false;
            }

            echo json_encode($send);
        }

        public function doDelete()
        {
            $uid = $_POST['uid'];
            $send = [];
            $ys = ys($_SESSION['yLog']);

            switch (true) {
                case !loggedIn():
                    $send['error'] = 'admin';
                    break;
                default:
                    $ys->delete($uid);
                    $send['error'] = false;
            }

            echo json_encode($send);
        }

        public function banSelf()
        {
            $ys = ys($_SESSION['yLog']);
            $nickname = $_POST['nickname'];
            $ys->ban(ip(), $nickname);

            $send = [];
            $send['error'] = false;
            
            echo json_encode($send);
        }

        public function unbanSelf()
        {
            if (loggedIn()) {
                $ys = ys($_SESSION['yLog']);
                $ys->unban(ip());
    
                $send = [];
                $send['error'] = false;
            } else {
                $send = [];
                $send['error'] = 'admin';
            }
            
            echo json_encode($send);
        }
        
        public function reload()
        {
            global $prefs;
            $ys = ys($_SESSION['yLog']);

            $posts = $ys->latestPosts($prefs['truncate']);
            $this->setSessTimestamp($posts);
            $this->updates['posts'] = $posts;
            echo json_encode($this->updates);
        }

        public function initSession()
        {
            $_SESSION['yLatestTimestamp'] = 0;
            $_SESSION['yYPath'] = $_POST['yPath'];
            $_SESSION['yLog'] = $_POST['log'];
            $loginHash = cookieGet('yLoginHash') ;
            if (isset($loginHash) && $loginHash != '') {
                login($loginHash);
            }
        }

        public function sendBanned()
        {
            $this->updates = [
                'banned' => true
            ];

            echo json_encode($this->updates);
        }
        
        public function sendUpdates()
        {
            global $prefs;
            $ys = ys($_SESSION['yLog']);
            if (!$ys->hasPostsAfter($_SESSION['yLatestTimestamp'])) {
                return;
            }

            $posts = $ys->postsAfter($_SESSION['yLatestTimestamp']);
            $this->setSessTimestamp($posts);

            $this->updates['posts'] = $posts;

            echo json_encode($this->updates);
        }

        public function setSessTimestamp(&$posts)
        {
            if (!$posts) {
                return;
            }

            $latest = array_slice($posts, -1, 1);
            $_SESSION['yLatestTimestamp'] = $latest[0]['timestamp'];
        }

        public function sendFirstUpdates()
        {
            global $prefs, $overrideNickname;

            $this->updates = [];

            $ys = ys($_SESSION['yLog']);

            $posts = $ys->latestPosts($prefs['truncate']);
            $this->setSessTimestamp($posts);

            $this->updates['posts'] = $posts;
            $this->updates['prefs'] = $this->cleanPrefs($prefs);

            if ($nickname = cookieGet('yNickname')) {
                $this->updates['nickname'] = $nickname;
            }
            
            if ($overrideNickname) {
                $this->updates['nickname'] = $overrideNickname;
            }
                
            if ($ys->banned(ip())) {
                $this->updates['banned'] = true;
            }

            echo json_encode($this->updates);
        }
        
        public function cleanPrefs($prefs)
        {
            unset($prefs['password']);
            return $prefs;
        }
        
        public function clearLog()
        {
            //$log = $_POST['log'];
            $send = [];
            $ys = ys($_SESSION['yLog']);

            switch (true) {
                case !loggedIn():
                    $send['error'] = 'admin';
                    break;
                default:
                    $ys->clear();
                    $send['error'] = false;
            }

            echo json_encode($send);
        }
        
        public function clearLogs()
        {
            global $prefs;
        
            //$log = $_POST['log'];
            $send = [];

            //$ys = ys($_SESSION['yLog']);

            switch (true) {
                case !loggedIn():
                    $send['error'] = 'admin';
                    break;
                default:
                    for ($i = 1; $i <= $prefs['logs']; $i++) {
                        $ys = ys($i);
                        $ys->clear();
                    }
                    
                    $send['error'] = false;
            }

            echo json_encode($send);
        }
    }