mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-23 23:20:57 +01:00
Remove imgcaptcha, this code is unused in any of our forks and needs work to get here back.
Revert "Merge branch 'imgcaptcha' of https://github.com/asiekierka/Tinyboard" This reverts commit49afb685c8, reversing changes made to2451a0f29c. Conflicts: js/imgcaptcha.js
This commit is contained in:
czaks
parent
8772c31ce1
commit
97a22e57c1
@ -1,7 +0,0 @@
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<?php
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require_once("inc/functions.php");
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require_once("inc/imgcaptcha.php");
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$t = $_GET["cr"];
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header("Content-Type: image/png");
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generateImage($t);
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?>
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@ -1,5 +0,0 @@
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<?php
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require_once("inc/functions.php");
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require_once("inc/imgcaptcha.php");
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print generateCaptchaHash();
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?>
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@ -233,8 +233,6 @@
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'embed',
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'recaptcha_challenge_field',
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'recaptcha_response_field',
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'imgcaptcha_hash',
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'imgcaptcha_verify',
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'spoiler',
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'quick-reply'
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);
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@ -270,19 +268,6 @@
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$config['recaptcha_public'] = '6LcXTcUSAAAAAKBxyFWIt2SO8jwx4W7wcSMRoN3f';
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$config['recaptcha_private'] = '6LcXTcUSAAAAAOGVbVdhmEM1_SyRF4xTKe8jbzf_';
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$config['imgcaptcha'] = false;
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$config['imgcaptcha_key'] = "cos losowego"; // max 32 znaki
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$config['imgcaptcha_list'] = "/sciezka/do/pliku.txt";
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$config['imgcaptcha_images'] = "/sciezka/do/obrazkow"; // without a slash at the end
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$config['imgcaptcha_question'] = "Was ist das?";
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$config['imgcaptcha_time_limit'] = 90; // Kapcza wazna przez 90 sekund po wejsciu
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$config['imgcaptcha_filler'] = "/plik/kliknijmie.png";
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$config['imgcaptcha_width'] = 128;
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$config['imgcaptcha_height'] = 96;
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// JESLI DODAJESZ IMGKAPCZE, NIE ZAPOMNIJ O TYM
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// Wymagane tez jQuery - o tam, nizej.
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//$config['additional_javascript'][] = 'js/imgcaptcha.js';
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/*
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* ====================
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* Post settings
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@ -1,37 +0,0 @@
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<?php
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// Z internetow.
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class Encryption {
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public function safe_b64encode($string) {
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$data = base64_encode($string);
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$data = str_replace(array('+','/','='),array('-','_',''),$data);
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return $data;
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}
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public function safe_b64decode($string) {
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$data = str_replace(array('-','_'),array('+','/'),$string);
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$mod4 = strlen($data) % 4;
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if ($mod4) {
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$data .= substr('====', $mod4);
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}
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return base64_decode($data);
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}
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public function encode($key, $value){
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if(!$value){return false;}
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$text = $value;
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$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
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$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
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$crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $text, MCRYPT_MODE_ECB, $iv);
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return trim($this->safe_b64encode($crypttext));
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}
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public function decode($key, $value){
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if(!$value){return false;}
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$crypttext = $this->safe_b64decode($value);
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$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
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$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
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$decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $crypttext, MCRYPT_MODE_ECB, $iv);
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return trim($decrypttext);
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}
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}
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?>
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@ -1,136 +0,0 @@
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<?php
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// Wiem, ze ten kod to czysta ohyda. Coz.
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require_once("inc/functions.php");
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require_once("inc/ic-encrypt.php");
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global $config;
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function getImages() {
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global $config;
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$lines = explode("\n",file_get_contents($config["imgcaptcha_list"]));
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for($i=0;$i<count($lines);$i++) { $lines[$i] = explode(",",$lines[$i]); }
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return $lines;
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}
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function getIPath($img) {
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global $config;
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return $config["imgcaptcha_images"] . "/" . $img;
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}
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function pickImage($lines) {
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$src = FALSE;
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while($src == FALSE) {
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$pick = rand(0,count($lines)-1);
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if($lines[$pick][0] != "") $src = imagecreatefrompng(getIPath($lines[$pick][0]));
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}
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imagedestroy($src);
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return $pick;
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}
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function ncfix($a) {
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if($a>255) { return 255; }
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if($a<0) { return 0; }
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return $a;
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}
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function randString($length, $charset='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+=')
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{
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$str = '';
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$count = strlen($charset);
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while ($length--) {
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$str .= $charset[rand(0, $count-1)];
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}
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return $str;
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}
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function generateCaptchaHash() {
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global $config;
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$lines = getImages();
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$pick = pickImage($lines);
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$enctext = $pick . ",," . time() . ",," . $_SERVER["REMOTE_ADDR"] . ",," . randString(12);
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$converter = new Encryption;
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return $converter->encode($config["imgcaptcha_key"],$enctext);
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}
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function ic_verifyHash($enctext, $output) {
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global $config;
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//print "VERIFY: " . $enctext . " " . $output . "<br>";
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$converter = new Encryption;
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$dectext = explode(",,",$converter->decode($config["imgcaptcha_key"],$enctext));
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if(count($dectext)<4) return true;
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$lines = getImages();
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$pick = $dectext[0];
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$time = time()-$dectext[1];
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if($time>$config["imgcaptcha_time_limit"]) return true;
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$lp = $lines[$pick];
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for($i=1;$i<count($lp);$i++) {
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if(strcasecmp($lp[$i],$output)==0) return false;
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}
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return true;
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}
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function getPick($enctext)
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{
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global $config;
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$converter = new Encryption;
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$dectext = explode(",,",$converter->decode($config["imgcaptcha_key"],$enctext));
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if(count($dectext)<=1) return; //SC
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$lines = getImages();
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return $dectext[0];
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}
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function generateImage($enctext)
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{
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global $config;
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$lines = getImages();
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$pick = getPick($enctext);
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if(!isset($lines[$pick])) return; //SC
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$src = imagecreatefrompng(getIPath($lines[$pick][0]));
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if($src == FALSE) return; //SC
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$maxc = 8;
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$icw = $config["imgcaptcha_width"];
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$ich = $config["imgcaptcha_height"];
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$dst = imagecreatetruecolor($icw,$ich);
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$srcxm = imagesx($src)-$icw;
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$srcym = imagesy($src)-$ich;
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$srcx = rand(0,$srcxm-1);
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$srcy = rand(0,$srcym-1);
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imagecopy($dst,$src,0,0,$srcx,$srcy,$icw,$ich);
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// Obfuscation step 1
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imagecopymergegray($dst,$dst,0,0,0,0,$icw,$ich,rand(20,45));
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// Obfuscation step 1.5
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for($i=0;$i<8;$i++) {
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$w = rand(5,10); $h = rand(5,10);
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$x = rand(0,$icw-1-$w); $y = rand(0,$ich-1-$h);
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$x2 = rand(0,$icw-1); $y2 = rand(0,$ich-1);
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imagefilledrectangle($dst,$x,$y,$x+$w,$y+$h,imagecolorat($dst,$x2,$y2));
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}
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for($i=0;$i<5;$i++) {
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$w = rand(20,40); $h = rand(20,40);
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$x = rand(0,$icw-1-$w); $y = rand(0,$ich-1-$h);
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imagecopymergegray($dst,$dst,$x,$y,$x,$y,$w,$h,0);
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}
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// Obfuscation step 2
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for($i=0;$i<$icw*$ich;$i++) {
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$x = $i%$icw; $y = $i/$icw;
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$c = imagecolorat($dst,$x,$y);
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if(rand(0,4) == 2) { $nc = $c ^ rand(0,16777215); }
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else { $nc = imagecolorat($dst,rand(0,$icw-1),rand(0,$ich-1)); }
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if(rand(18,24)!=21 and $c != 0 and $c != 0xFF00FF)
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{
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$nc = ncfix(($c&0xFF) + rand(-16,16)) | ncfix((($c>>8)&0xFF) + rand(-8,8))<<8 | ncfix((($c>>16)&0xFF) + rand(-32,32))<<16;
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$nc1 = $nc&0xFF ^ ($nc>>8)&0xFF ^ ($nc>>16)&0xFF;
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} else {
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$nc1 = $nc&0xFF;
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if($nc1>($maxc*25)) $nc1 = $nc % ($maxc*25);
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}
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$nc2 = $nc1 | $nc1<<8 | $nc1<<16;
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if(rand(0,1)==0) $nc2=$nc;
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imagesetpixel($dst,$x,$y,$nc2);
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}
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// Obfuscation step 3
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for($i=0;$i<rand(10,30);$i++) {
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$x1 = rand(0,$icw-1); $x2 = rand(0,$icw-1); $y1 = rand(0,$ich-1); $y2 = rand(0,$ich-1);
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$color = imagecolorallocate($dst, rand(0,$maxc)*25, rand(0,$maxc)*25, rand(0,$maxc)*25);
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imageline($dst,$x1,$y1,$x2,$y2,$color);
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}
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imagepng($dst);
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}
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//header('Content-Type: image/png');
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//$t = generateCaptchaHash();
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//generateImage($t);
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?>
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@ -1,12 +0,0 @@
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function ic_odswiezKapcze() {
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$.get(configRoot + "imgcaptcha_p.php", function(data) {
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$("#imgcaptcha_hash").val(data);
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$("#imgcaptcha_img").prop("src",configRoot + "imgcaptcha_im.php?cr=" + data);
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});
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}
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//function resetujKapcze() {
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// $("#imgcaptcha_img").prop("src",configRoot + "zakrytek.png");
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//}
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//$(document).ready(function(){
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// //resetujKapcze(); - to nie powinno byc na razie potrzebne
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//});
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8
post.php
8
post.php
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require 'inc/functions.php';
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require 'inc/anti-bot.php';
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require 'inc/imgcaptcha.php';
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// Fix for magic quotes
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if (get_magic_quotes_gpc()) {
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@ -198,12 +197,7 @@ if (isset($_POST['delete'])) {
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error($config['error']['captcha']);
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}
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}
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if ($config['imgcaptcha']) {
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if (!isset($_POST['imgcaptcha_verify']) || !isset($_POST['imgcaptcha_hash']))
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error($config['error']['bot']);
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if (ic_verifyHash($_POST['imgcaptcha_hash'],$_POST['imgcaptcha_verify']))
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error($config['error']['captcha']);
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}
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if ($post['mod'] = isset($_POST['mod']) && $_POST['mod']) {
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require 'inc/mod.php';
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if (!$mod) {
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@ -67,21 +67,6 @@
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</td>
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</tr>
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{% endif %}
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{% if config.imgcaptcha %}
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<tr>
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<th>
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{% trans %}Verification{% endtrans %}
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{{ antibot.html() }}
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</th>
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<td>
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<input type="hidden" name="imgcaptcha_hash" id="imgcaptcha_hash" value="kucaj stad, kucu hakierze">
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<img src="{{ config.imgcaptcha_filler }}" width="{{ config.imgcaptcha_width }}px" height="{{ config.imgcaptcha_height }}px" id="imgcaptcha_img"></img><br>
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{{ config.imgcaptcha_question }} <input type="text" name="imgcaptcha_verify" id="imgcaptcha_verify" value=""></input><br>
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<a href="javascript:ic_odswiezKapcze()">Odswiez</a>
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{{ antibot.html() }}
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</td>
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</tr>
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{% endif %}
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<tr>
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<th>
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{% trans %}File{% endtrans %}
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