xrate-limit.php

<?php

$RATEREMAIN = 60;
$RESETIME = 1;
$APIKEY = $_SERVER["HTTP_APIKEY"];
$IP	= $_SERVER["REMOTE_ADDR"];


    define("MYSQLHOST", "127.0.0.1");
    define("MYSQLPORT", "3306");
    define("DATABASE", "streets");
    define("MYSQLUSER", "root");
    define("MYSQLPASS", "toor");

    function setHeader($remain, $reset){
        GLOBAL $RATEREMAIN;
        header("X-RateLimit-Limit: 		$RATEREMAIN");
        header("X-RateLimit-Remaining: 	$remain");
        header("X-RateLimit-Reset: 		$reset");
    }

    function readRate($ip){
        global $RATEREMAIN;
        global $RESETIME;

        if(file_exists($ip)){
            $file = fopen($ip, "r");
            $contents = fread($file, filesize($ip));
            $rateData = unserialize($contents);
            fclose($file);	
            return($rateData);
        }
        else{
            return array( 
                    "ip"        =>  $ip,
                    "rateCount" =>  $RATEREMAIN,
                    "rateRemain"=>  $RATEREMAIN,
                    "created"   =>  time(),
                    "reset"     => $RESETIME*60*60
                    );
        }
    }

    function writeRate($arr, $ip){
        $b = serialize($arr);
        $file = fopen($ip, "w+");
        fwrite($file, $b);
        fclose($file);
    }

    function setDefault($rateParams){
        global $RATEREMAIN;
        global $RESETIME;
        $rateParams["rateCount"] 	= 	$RATEREMAIN;
        $rateParams["rateRemain"] 	= 	$RATEREMAIN;
        $rateParams["created"] 		= 	time();
        $rateParams["reset"] 		= 	$RESETIME*60*60;
        return 	$rateParams;
    }

    function doIt(){


        if(isset($_POST["method"]) ){
            if($_POST["method"] == "coordinate" && isset($_POST["lat"]) && isset($_POST["lon"])){
                $lat = $_POST["lat"];
                $lon = $_POST["lon"];  
                $url = 'http:///api/json/navsys.api.geocoding.findNearby/j7AX5tuobawjbB8?{"point":{"lon":'.$lon.',"lat":'.$lat.'},"maxResults":1}';

                $js = file_get_contents($url);
                $js = json_decode(trim($js));   
                $rt = $js->result[0]->address->components;
                $ad = null;
                foreach ($rt as $js){
                    $ad = ", " . $js->fullName . $ad;
                }
                $ad = substr($ad, 2);  
                $ad = str_replace('"', "`", str_replace("'", "`", $ad));
                $ret = array( "address" => (string)$ad, "success" => strlen($ad) > 5);
                print_r($ret); 
                echo json_encode($ret);

            }
            elseif($_POST["method"] == "pattern" && isset($_POST["pattern"])){
                $pattern = $_POST["pattern"];
                $mysql = mysql_connect(MYSQLHOST, MYSQLUSER, MYSQLPASS);
                
		mysql_select_db(DATABASE);
                mysql_query("SET NAMES 'utf8'");
                mysql_query("SET CHARACTER SET 'utf8'");
                
		if(!$mysql){
                    die('Could not connect ');
                }
                
                $name = getNameFromStreets($pattern);
		print_r($name);
                echo json_encode($name);
            }
	    else{
		echo "error";
	    }
        }
        else{
            echo "invalid request";
        }
    }

    function getNameFromStreets($hash){

        mysql_query("SET NAMES 'utf8'");
        mysql_query("SET CHARACTER SET 'utf8'");
        
        $getLocalQuery =   "SELECT `name` 
                                FROM `streets` 
                                WHERE `name` 
                                LIKE '".$hash."' LIMIT 10;";
                                
        $query = mysql_query($getLocalQuery);
        
        if(!$query){
            die("error in query");
        }

	$result = Array();        
	
        while($row = mysql_fetch_array($query)){
		array_push($result, $row["name"]);
        }

        return $result;
    }


    $rate 		= 	readRate($IP); //agar bu ip bilan client bolsa, uni danniylari olinadi. Agar yoq bolsa, yangi yaratiladi
    $rateRemain = 	--$rate["rateRemain"] >= 0	?	$rate["rateRemain"] : -1;
    $rate["rateRemain"] = $rateRemain;
    $reset 		= 	($rate["created"]+($RESETIME*60*60)) - time();
    $rate["reset"] = $reset;
    writeRate($rate, $IP);

if($APIKEY == "deadbeef"){
    if($rateRemain > 0){
    	if($reset <= 0){
    		$rate["rateRemain"] = $RATEREMAIN;
    		$rate["created"] = time();
    		writeRate($rate, $IP);
    	}
    	doIt();
    	setHeader($rate["rateRemain"], $rate["reset"]);
    }
    elseif($rateRemain == 0){
    	
    }
    elseif($rateRemain < 0){
    	setHeader(0, $RESETIME*60*60);
    	if($reset <= 0){
    		$rate["rateRemain"] = $RATEREMAIN;
    		$rate["created"] = time();
    		print_r($rate);
    		writeRate($rate, $IP);
    	}
    	
    	$reset 		= 	($rate["created"]+($RESETIME*60*60)) - time();
    	$rate["reset"] = $reset;
    	writeRate($rate, $IP);
        http_response_code(429);
    	die("you fired too many requests");
    }
}else{
	echo "APIKEY is invalid";
}

?>