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119 lines
3.6 KiB
119 lines
3.6 KiB
<?php
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/*
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* Created on 25.03.2009
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*
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* @copyright (c) 2010 animegame.eu
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* @license http://www.gnu.org/licenses/gpl-3.0.html GNU General Public Licence
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*
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*/
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include_once(ROOT_PATH.'/include/config.inc.php');
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include_once(ROOT_PATH.'/include/cheater.inc.php');
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include_once(ROOT_PATH.'/include/char.inc.php');
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include_once(ROOT_PATH.'/include/random.inc.php');
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function hasToAuthenticate($user){
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return $user['code'] <= 0;
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}
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function hasNotDoneAction($user, $count = 1){
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db_query('Update user set code = code + '.$count.' WHERE id = '.$user['id']);
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}
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function hasDoneAction($user, $count = 1){
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db_query('Update user set code = code - '.$count.' WHERE id = '.$user['id']);
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}
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function resetUserCounter($user){
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$char_count = count(getCharsOfUser($user['id']));
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// pro Char werden dem User 6-8 Aktionen zugestanden
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db_query('Update user set code = '.($char_count*mt_random_wrapper(6,8)).' where id = '.$user['id']);
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}
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function checkImageCode($id, $compr_phrase, $user){
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$sql = 'SELECT *, TIMESTAMPDIFF(MINUTE, created, now()) as delay from bot_images WHERE id = \'' . $id . '\'';
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// echo $sql.'<br>';
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$row = mysqli_fetch_assoc(db_query($sql));
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// ID not valid
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if($row){
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// TIMEOUT!
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// echo $row['compressed_phrase'].' '.$compr_phrase.'<br>';
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if($row['delay'] > 5 || strtolower($row['compressed_phrase']) != strtolower($compr_phrase)){
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$sql = 'Insert into bot_image_failures(userid, inserted, valid, used) values('.$user['id'].', \''.$compr_phrase.'\', \''.$row['compressed_phrase'].'\', CURRENT_TIMESTAMP)';
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// echo $sql.'<br>';
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db_query($sql);
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$success = false;
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} else{
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$success = true;
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}
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db_query('DELETE from bot_images WHERE id = \'' . $id . '\'');
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} else{
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$success = false;
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}
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return $success;
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}
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// Returns the ID of the image
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function createImage($id, $user) {
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$variants = array ('a','b','c','d','e','f','g','h','i','j','k','l','m','n','p','q','r','s','t','u','v','w','x','y','z', 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
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// Variable Länge
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for ($i = 0, $n = mt_random_wrapper(4, 6); $i < $n; $i++) {
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$char = $variants[mt_random_wrapper(0, count($variants)-1)];
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$string .= $char . ' ';
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$comp_str .= $char;
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}
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for (; $i < 6; $i++) {
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$string .= ' ';
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}
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db_query('DELETE from bot_images WHERE id = \'' . $id . '\'');
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db_query('INSERT INTO bot_images(id, phrase, compressed_phrase, created, userid) values(\'' . $id . '\', \'' . $string . '\', \'' . $comp_str . '\', now(), '.$user['id'].')');
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// Aufräumen (Code wurde ignoriert)
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detectNonCodeEnterers();
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}
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function generateImageID(){
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return $id = md5((mt_rand() * time()));
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}
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function displayImage($id, $user) {
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if ($id !== NULL) {
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createImage($id,$user);
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$sql = 'SELECT * FROM bot_images WHERE id = \'' . $id . '\'';
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// echo $sql.'<br>';
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$row = mysqli_fetch_assoc(db_query($sql));
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if($row){
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$string = $row['phrase'];
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$variance = true;
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} else{
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$variance = false;
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$string = 'ERROR PLEASE RELOAD!';
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}
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} else{
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$string = 'ERROR PLEASE RELOAD!';
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$variance = false;
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}
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$font_size = 5;
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$width = imagefontwidth($font_size) * strlen($string);
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$height = imagefontheight($font_size) * 2;
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$img = imagecreate($width, $height);
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$bg = imagecolorallocate($img, 225, 225, 225);
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$black = imagecolorallocate($img, 0, 0, 0);
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$len = strlen($string);
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for ($i = 0; $i < $len; $i++) {
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$xpos = $i * imagefontwidth($font_size);
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if($variance){
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$ypos = rand(0, imagefontheight($font_size));
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} else{
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$ypos = imagefontheight($font_size)/2;
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}
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imagechar($img, $font_size, $xpos, $ypos, $string, $black);
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$string = substr($string, 1);
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}
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header("Content-Type: image/png");
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imagepng($img);
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imagedestroy($img);
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}
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?>
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