99 lines
3.5 KiB
PHP
99 lines
3.5 KiB
PHP
<?php
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/*
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* Hit Counter - Counter image
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*
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* Copyright (C) 2016-2020 Daniel Winzen <daniel@danwin1210.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//prepare
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include_once('counter_config.php');
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$time=time();
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$update_time=$time-($time%3600);
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try{
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$db=new PDO('mysql:host=' . DBHOST . ';dbname=' . DBNAME, DBUSER, DBPASS, [PDO::ATTR_ERRMODE=>PDO::ERRMODE_WARNING, PDO::ATTR_PERSISTENT=>PERSISTENT]);
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}catch(PDOException $e){
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exit($I['nodb']);
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}
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if(!isset($_REQUEST['id'])){
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exit;
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}
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$stmt=$db->prepare('SELECT * FROM ' . PREFIX . 'registered WHERE api_key=?;');
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$stmt->execute([$_REQUEST['id']]);
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if(!$id=$stmt->fetch(PDO::FETCH_NUM)){
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exit;
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}
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//headers
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header('Pragma: no-cache');
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header('Cache-Control: no-cache, no-store, must-revalidate, max-age=0');
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header('Expires: 0');
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header('Content-Type: image/gif');
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//add visitor to db
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if(isSet($_COOKIE["counted$_REQUEST[id]"])){
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$stmt=$db->prepare('INSERT INTO ' . PREFIX . 'visitors (id, time, count, unique_count) VALUES (?, ?, 1, 1) ON DUPLICATE KEY UPDATE count=count+1;');
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}else{
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setcookie("counted$_REQUEST[id]", 1, $time+3600);
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$stmt=$db->prepare('INSERT INTO ' . PREFIX . 'visitors (id, time, count, unique_count) VALUES (?, ?, 1, 1) ON DUPLICATE KEY UPDATE count=count+1, unique_count=unique_count+1;');
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}
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$stmt->execute([$id[0], $update_time]);
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//get number of visitors
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if(!isSet($_REQUEST['unique']) || $_REQUEST['unique']==0){
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$stmt=$db->prepare('SELECT SUM(count) FROM ' . PREFIX . 'visitors WHERE id=? AND time>=? AND time<?;');
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}else{
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$stmt=$db->prepare('SELECT SUM(unique_count) FROM ' . PREFIX . 'visitors WHERE id=? AND time>=? AND time<?;');
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}
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if(!isSet($_REQUEST['mode']) || $_REQUEST['mode']==0){
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//overalll
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$stmt->execute([$id[0], 0, $time]);
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}elseif($_REQUEST['mode']==1){
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//last hour
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$stmt->execute([$id[0], $update_time-3600, $update_time]);
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}elseif($_REQUEST['mode']==2){
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//last 24 hours
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$stmt->execute([$id[0], $update_time-86400, $update_time]);
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}elseif($_REQUEST['mode']==3){
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// last week
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$stmt->execute([$id[0], $update_time-604800, $update_time]);
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}else{
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//last month
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$stmt->execute([$id[0], $update_time-2592000, $update_time]);
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}
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$num=$stmt->fetch(PDO::FETCH_NUM);
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//prepare and output image
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$im=imagecreatetruecolor(strlen($num[0])*9+10, 24);
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if(isset($_REQUEST['bg']) && preg_match('/^[0-9A-F]{6}$/i', $_REQUEST['bg'])){
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$bg=imagecolorallocate($im, hexdec(substr($_REQUEST['bg'], 0, 2)), hexdec(substr($_REQUEST['bg'], 2, 2)), hexdec(substr($_REQUEST['bg'], 4, 2)));
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}else{
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$bg=imagecolorallocate($im, 0, 0, 0);
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}
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if(isset($_REQUEST['fg']) && preg_match('/^[0-9A-F]{6}$/i', $_REQUEST['fg'])){
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$fg=imagecolorallocate($im, hexdec(substr($_REQUEST['fg'], 0, 2)), hexdec(substr($_REQUEST['fg'], 2, 2)), hexdec(substr($_REQUEST['fg'], 4, 2)));
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}else{
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$fg=imagecolorallocate($im, 255, 255, 255);
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}
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if(isset($_REQUEST['tr']) && $_REQUEST['tr']==1){
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$bg=imagecolorallocate($im, 0, 0, 0);
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imagecolortransparent($im, $bg);
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}else{
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imagefill($im, 0, 0, $bg);
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}
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imagestring($im, 5, 5, 5, $num[0], $fg);
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imagegif($im);
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imagedestroy($im);
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?>
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