index.php

<?php
// Set error reporting in debug mode.
if ('DEBUG' === true) {
    error_reporting(E_ALL ^ E_NOTICE);
}

// Get current unix timestamp as float.
$start = microtime(true);

// Include files.
require_once('config.php');
require_once('core/class/debug.php');
require_once('core/class/functions.php');
require_once('constants.php');
require_once('logic.php');
require_once('core/class/geo_api.php');

// Get api key from get parameters.
$apiKey = $_GET['apikey'];

// Check if hashed api key is matching config.
if (hash('sha512', $apiKey) == strtolower(CONFIG_HASH)) {
    // Split the api key.
    $splitKey = explode(':', $apiKey);

    // Set constants.
    define('API_KEY', $apiKey);

// Api key is wrong!
} else {
    // Echo data.
    sendMessageEcho(MAINTAINER_ID, $_SERVER['REMOTE_ADDR'] . ' ' . isset($_SERVER['HTTP_X_FORWARDED_FOR']) . ' ' . $apiKey);
    // And exit script.
    exit();
}

// Get content from POST data.
$content = file_get_contents('php://input');

// Decode the json string.
$update = json_decode($content, true);

// Get language from user - otherwise use language from config.
if (LANGUAGE == '') {
    // Message or callback?
    if(isset($update['message']['from']['language_code'])) {
        $language_code = $update['message']['from']['language_code'];
    } else if(isset($update['callback_query']['from']['language_code'])) {
        $language_code = $update['callback_query']['from']['language_code'];
    } else {
        $language_code = LANGUAGE;
    }

    // Get and define userlanguage.
    $userlanguage = get_user_language($language_code);
    define('USERLANGUAGE', $userlanguage);
} else {
    // Set user language to language from config.
    define('USERLANGUAGE', LANGUAGE);
}

// Update var is false.
if (!$update) {
    // Write to log.
    debug_log($content, '!');

} else {
    // Write to log.
    debug_log($update, '<');
}

// Init command.
$command = NULL;

// Establish mysql connection.
$db = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
$db->set_charset('utf8mb4');

// Error connecting to db.
if ($db->connect_errno) {
    // Write connection error to log.
    debug_log("Failed to connect to Database!" . $db->connect_error(), '!');
    // Echo data.
    sendMessage($update['message']['chat']['id'], "Failed to connect to Database!\nPlease contact " . MAINTAINER . " and forward this message...\n");
}

// Cleanup request received.
if (isset($update['cleanup']) && CLEANUP == true) {
    cleanup_log('Cleanup process request received...');
    // Check access to cleanup of bot
    if ($update['cleanup']['secret'] == CLEANUP_SECRET) {
	// Get telegram cleanup value if specified.
        if (isset($update['cleanup']['telegram'])) {
	    $telegram = $update['cleanup']['telegram'];
	} else {
	    $telegram = 2;
	}
	// Get database cleanup value if specified.
        if (isset($update['cleanup']['database'])) {
	    $database = $update['cleanup']['database'];
	} else {
	    $database = 2;
	}
        // Run cleanup based on type
        $cleanup_type = $update['cleanup']['type'];
        cleanup_log('Calling ' . $cleanup_type . ' cleanup process now!');
        // Raids cleanup
        if ($cleanup_type == 'raid') {
            run_raids_cleanup($telegram, $database);
        } else if ($cleanup_type == 'quest') {
            run_quests_cleanup($telegram, $database);
        } else {
            cleanup_log('Error! Wrong cleanup type supplied!', '!');
        }
    } else {
        cleanup_log('Error! Wrong cleanup secret supplied!', '!');
    }
    // Exit after cleanup
    exit();
} 

// Update the user.
$userUpdate = update_user($update);

// Write to log.
debug_log('Update user: ' . $userUpdate);

// Callback query received.
if (isset($update['callback_query'])) {
    // Init empty data array.
    $data = array();

    // Callback data found.
    if ($update['callback_query']['data']) {
        // Split callback data and assign to data array.
        $splitData = explode(':', $update['callback_query']['data']);
        $data['id']     = $splitData[0];
        $data['action'] = $splitData[1];
        $data['arg']    = $splitData[2];
    }

    // Write data to log.
    debug_log('DATA=');
    debug_log($data);

    // Set module path by sent action name.
    $module = 'mods/' . basename($data['action']) . '.php';

    // Write module to log.
    debug_log($module);

    // Check if the module file exists.
    if (file_exists($module)) {
        // Dynamically include module file and exit.
        include_once($module);
        exit();

    // Module file is missing.
    } else {
        // Write to log.
        debug_log('No action');
    }

// Inline query received.
} else if (isset($update['inline_query'])) {
    // Check access to the bot
    bot_access_check($update);
    // List polls and exit.
    raid_list($update);
    exit();

// Location received.
} else if (isset($update['message']['location'])) {
    // Check access to the bot
    bot_access_check($update);

    // Ask what to create.
    if(RAID_VIA_LOCATION == true && QUEST_VIA_LOCATION == true) {
        include_once(ROOT_PATH . '/mods/geo_create.php');

    // Create raid and exit.
    } else if(RAID_VIA_LOCATION == true && QUEST_VIA_LOCATION == false) {
        include_once(ROOT_PATH . '/mods/raid_create.php');

    // Create quest and exit.
    } else if(RAID_VIA_LOCATION == false && QUEST_VIA_LOCATION == true) {
        include_once(ROOT_PATH . '/mods/quest_geo.php');
    }
    exit();

// Cleanup collection from channel/supergroup messages.
} else if ((isset($update['channel_post']) && $update['channel_post']['chat']['type'] == "channel") || (isset($update['message']) && $update['message']['chat']['type'] == "supergroup")) {
    // Write to log.
    debug_log('Collecting cleanup preparation information...');
    // Init raid_id and quest_id.
    $raid_id = 0;
    $quest_id = 0;

    // Channel 
    if(isset($update['channel_post'])) {
        // Get chat_id and message_id
        $chat_id = $update['channel_post']['chat']['id'];
        $message_id = $update['channel_post']['message_id'];

        // Get ID type (raid or quest) to get ID afterwards.
        $id_pos = strrpos($update['channel_post']['text'], '-ID = ');
        $id_type = ($id_pos === false) ? ('0') : (substr($update['channel_post']['text'], ($id_pos - 1), 1));

	// Get raid_id from text.
        if($id_type == 'R') {
            $raid_id = substr(strrchr($update['channel_post']['text'], 'R-ID = '), 7);
        }

        // Get quest_id from text.
        if($id_type == 'Q') {
            $quest_id = substr(strrchr($update['channel_post']['text'], 'Q-ID = '), 7);
        }

    // Supergroup
    } else if ($update['message']['chat']['type'] == "supergroup") {
        // Get chat_id and message_id
        $chat_id = $update['message']['chat']['id'];
        $message_id = $update['message']['message_id'];

        // Get ID type (raid or quest) to get ID afterwards.
        $id_pos = strrpos($update['message']['text'], '-ID = ');
        $id_type = ($id_pos === false) ? ('0') : (substr($update['message']['text'], ($id_pos - 1), 1));

        // Get raid_id from text.
        if($id_type == 'R') {
            $raid_id = substr(strrchr($update['message']['text'], 'R-ID = '), 7);
        }

        // Get quest_id from text.
        if($id_type == 'Q') {
            $quest_id = substr(strrchr($update['message']['text'], 'Q-ID = '), 7);
        }
    }

    // Write cleanup info to database.
    debug_log('Calling cleanup preparation now!');
    if($raid_id != 0) {
        insert_raid_cleanup($chat_id, $message_id, $raid_id);
    } else if($quest_id != 0) {
        insert_quest_cleanup($chat_id, $message_id, $quest_id);
    }
    exit();

// Message is required to check for commands.
} else if (isset($update['message']) && $update['message']['chat']['type'] == 'private') {
    // Check access to the bot
    bot_access_check($update);
    // Check message text for a leading slash.
    if (substr($update['message']['text'], 0, 1) == '/') {
        // Get command name.
        $com = strtolower(str_replace('/', '', str_replace(BOT_NAME, '', explode(' ', $update['message']['text'])[0])));

        // Set command path.
        $command = ROOT_PATH . '/commands/' . basename($com) . '.php';

        // Write to log.
        debug_log($command);

        // Check if command file exits.
        if (file_exists($command)) {
            // Dynamically include command file and exit.
            include_once($command);
            exit();
        }

        // Echo bot response.
        sendMessage($update['message']['chat']['id'], '<b>' . getTranslation('send_location') . '</b>');
    }
}