Merge branch 'imgcaptcha' of https://github.com/asiekierka/Tinyboard
This commit is contained in:
Marcin Łabanowski
commit
49afb685c8
7
imgcaptcha_im.php
Normal file
7
imgcaptcha_im.php
Normal file
@ -0,0 +1,7 @@
|
||||
<?php
|
||||
require_once("inc/functions.php");
|
||||
require_once("inc/imgcaptcha.php");
|
||||
$t = $_GET["cr"];
|
||||
header("Content-Type: image/png");
|
||||
generateImage($t);
|
||||
?>
|
||||
5
imgcaptcha_p.php
Normal file
5
imgcaptcha_p.php
Normal file
@ -0,0 +1,5 @@
|
||||
<?php
|
||||
require_once("inc/functions.php");
|
||||
require_once("inc/imgcaptcha.php");
|
||||
print generateCaptchaHash();
|
||||
?>
|
||||
@ -227,6 +227,8 @@
|
||||
'embed',
|
||||
'recaptcha_challenge_field',
|
||||
'recaptcha_response_field',
|
||||
'imgcaptcha_hash',
|
||||
'imgcaptcha_verify',
|
||||
'spoiler',
|
||||
'quick-reply'
|
||||
);
|
||||
@ -262,6 +264,19 @@
|
||||
$config['recaptcha_public'] = '6LcXTcUSAAAAAKBxyFWIt2SO8jwx4W7wcSMRoN3f';
|
||||
$config['recaptcha_private'] = '6LcXTcUSAAAAAOGVbVdhmEM1_SyRF4xTKe8jbzf_';
|
||||
|
||||
$config['imgcaptcha'] = false;
|
||||
$config['imgcaptcha_key'] = "cos losowego"; // max 32 znaki
|
||||
$config['imgcaptcha_list'] = "/sciezka/do/pliku.txt";
|
||||
$config['imgcaptcha_images'] = "/sciezka/do/obrazkow"; // without a slash at the end
|
||||
$config['imgcaptcha_question'] = "Was ist das?";
|
||||
$config['imgcaptcha_time_limit'] = 90; // Kapcza wazna przez 90 sekund po wejsciu
|
||||
$config['imgcaptcha_filler'] = "/plik/kliknijmie.png";
|
||||
$config['imgcaptcha_width'] = 128;
|
||||
$config['imgcaptcha_height'] = 96;
|
||||
|
||||
// JESLI DODAJESZ IMGKAPCZE, NIE ZAPOMNIJ O TYM
|
||||
// Wymagane tez jQuery - o tam, nizej.
|
||||
//$config['additional_javascript'][] = 'js/imgcaptcha.js';
|
||||
/*
|
||||
* ====================
|
||||
* Post settings
|
||||
|
||||
37
inc/ic-encrypt.php
Normal file
37
inc/ic-encrypt.php
Normal file
@ -0,0 +1,37 @@
|
||||
<?php
|
||||
// Z internetow.
|
||||
class Encryption {
|
||||
public function safe_b64encode($string) {
|
||||
$data = base64_encode($string);
|
||||
$data = str_replace(array('+','/','='),array('-','_',''),$data);
|
||||
return $data;
|
||||
}
|
||||
|
||||
public function safe_b64decode($string) {
|
||||
$data = str_replace(array('-','_'),array('+','/'),$string);
|
||||
$mod4 = strlen($data) % 4;
|
||||
if ($mod4) {
|
||||
$data .= substr('====', $mod4);
|
||||
}
|
||||
return base64_decode($data);
|
||||
}
|
||||
|
||||
public function encode($key, $value){
|
||||
if(!$value){return false;}
|
||||
$text = $value;
|
||||
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
|
||||
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
|
||||
$crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $text, MCRYPT_MODE_ECB, $iv);
|
||||
return trim($this->safe_b64encode($crypttext));
|
||||
}
|
||||
|
||||
public function decode($key, $value){
|
||||
if(!$value){return false;}
|
||||
$crypttext = $this->safe_b64decode($value);
|
||||
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
|
||||
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
|
||||
$decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $crypttext, MCRYPT_MODE_ECB, $iv);
|
||||
return trim($decrypttext);
|
||||
}
|
||||
}
|
||||
?>
|
||||
136
inc/imgcaptcha.php
Normal file
136
inc/imgcaptcha.php
Normal file
@ -0,0 +1,136 @@
|
||||
<?php
|
||||
// Wiem, ze ten kod to czysta ohyda. Coz.
|
||||
require_once("inc/functions.php");
|
||||
require_once("inc/ic-encrypt.php");
|
||||
|
||||
global $config;
|
||||
|
||||
function getImages() {
|
||||
global $config;
|
||||
$lines = explode("\n",file_get_contents($config["imgcaptcha_list"]));
|
||||
for($i=0;$i<count($lines);$i++) { $lines[$i] = explode(",",$lines[$i]); }
|
||||
return $lines;
|
||||
}
|
||||
function getIPath($img) {
|
||||
global $config;
|
||||
return $config["imgcaptcha_images"] . "/" . $img;
|
||||
}
|
||||
function pickImage($lines) {
|
||||
$src = FALSE;
|
||||
while($src == FALSE) {
|
||||
$pick = rand(0,count($lines)-1);
|
||||
if($lines[$pick][0] != "") $src = imagecreatefrompng(getIPath($lines[$pick][0]));
|
||||
}
|
||||
imagedestroy($src);
|
||||
return $pick;
|
||||
}
|
||||
function ncfix($a) {
|
||||
if($a>255) { return 255; }
|
||||
if($a<0) { return 0; }
|
||||
return $a;
|
||||
}
|
||||
function randString($length, $charset='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+=')
|
||||
{
|
||||
$str = '';
|
||||
$count = strlen($charset);
|
||||
while ($length--) {
|
||||
$str .= $charset[rand(0, $count-1)];
|
||||
}
|
||||
return $str;
|
||||
}
|
||||
function generateCaptchaHash() {
|
||||
global $config;
|
||||
$lines = getImages();
|
||||
$pick = pickImage($lines);
|
||||
$enctext = $pick . ",," . time() . ",," . $_SERVER["REMOTE_ADDR"] . ",," . randString(12);
|
||||
$converter = new Encryption;
|
||||
return $converter->encode($config["imgcaptcha_key"],$enctext);
|
||||
}
|
||||
function ic_verifyHash($enctext, $output) {
|
||||
global $config;
|
||||
//print "VERIFY: " . $enctext . " " . $output . "<br>";
|
||||
$converter = new Encryption;
|
||||
$dectext = explode(",,",$converter->decode($config["imgcaptcha_key"],$enctext));
|
||||
if(count($dectext)<4) return true;
|
||||
$lines = getImages();
|
||||
$pick = $dectext[0];
|
||||
$time = time()-$dectext[1];
|
||||
if($time>$config["imgcaptcha_time_limit"]) return true;
|
||||
$lp = $lines[$pick];
|
||||
for($i=1;$i<count($lp);$i++) {
|
||||
if(strcasecmp($lp[$i],$output)==0) return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
function getPick($enctext)
|
||||
{
|
||||
global $config;
|
||||
$converter = new Encryption;
|
||||
$dectext = explode(",,",$converter->decode($config["imgcaptcha_key"],$enctext));
|
||||
if(count($dectext)<=1) return; //SC
|
||||
$lines = getImages();
|
||||
return $dectext[0];
|
||||
}
|
||||
function generateImage($enctext)
|
||||
{
|
||||
global $config;
|
||||
$lines = getImages();
|
||||
$pick = getPick($enctext);
|
||||
if(!isset($lines[$pick])) return; //SC
|
||||
$src = imagecreatefrompng(getIPath($lines[$pick][0]));
|
||||
if($src == FALSE) return; //SC
|
||||
$maxc = 8;
|
||||
$icw = $config["imgcaptcha_width"];
|
||||
$ich = $config["imgcaptcha_height"];
|
||||
$dst = imagecreatetruecolor($icw,$ich);
|
||||
$srcxm = imagesx($src)-$icw;
|
||||
$srcym = imagesy($src)-$ich;
|
||||
$srcx = rand(0,$srcxm-1);
|
||||
$srcy = rand(0,$srcym-1);
|
||||
imagecopy($dst,$src,0,0,$srcx,$srcy,$icw,$ich);
|
||||
|
||||
// Obfuscation step 1
|
||||
imagecopymergegray($dst,$dst,0,0,0,0,$icw,$ich,rand(20,45));
|
||||
// Obfuscation step 1.5
|
||||
for($i=0;$i<8;$i++) {
|
||||
$w = rand(5,10); $h = rand(5,10);
|
||||
$x = rand(0,$icw-1-$w); $y = rand(0,$ich-1-$h);
|
||||
$x2 = rand(0,$icw-1); $y2 = rand(0,$ich-1);
|
||||
imagefilledrectangle($dst,$x,$y,$x+$w,$y+$h,imagecolorat($dst,$x2,$y2));
|
||||
}
|
||||
for($i=0;$i<5;$i++) {
|
||||
$w = rand(20,40); $h = rand(20,40);
|
||||
$x = rand(0,$icw-1-$w); $y = rand(0,$ich-1-$h);
|
||||
imagecopymergegray($dst,$dst,$x,$y,$x,$y,$w,$h,0);
|
||||
}
|
||||
// Obfuscation step 2
|
||||
for($i=0;$i<$icw*$ich;$i++) {
|
||||
$x = $i%$icw; $y = $i/$icw;
|
||||
$c = imagecolorat($dst,$x,$y);
|
||||
if(rand(0,4) == 2) { $nc = $c ^ rand(0,16777215); }
|
||||
else { $nc = imagecolorat($dst,rand(0,$icw-1),rand(0,$ich-1)); }
|
||||
if(rand(18,24)!=21 and $c != 0 and $c != 0xFF00FF)
|
||||
{
|
||||
$nc = ncfix(($c&0xFF) + rand(-16,16)) | ncfix((($c>>8)&0xFF) + rand(-8,8))<<8 | ncfix((($c>>16)&0xFF) + rand(-32,32))<<16;
|
||||
$nc1 = $nc&0xFF ^ ($nc>>8)&0xFF ^ ($nc>>16)&0xFF;
|
||||
} else {
|
||||
$nc1 = $nc&0xFF;
|
||||
if($nc1>($maxc*25)) $nc1 = $nc % ($maxc*25);
|
||||
}
|
||||
$nc2 = $nc1 | $nc1<<8 | $nc1<<16;
|
||||
if(rand(0,1)==0) $nc2=$nc;
|
||||
imagesetpixel($dst,$x,$y,$nc2);
|
||||
}
|
||||
// Obfuscation step 3
|
||||
for($i=0;$i<rand(10,30);$i++) {
|
||||
$x1 = rand(0,$icw-1); $x2 = rand(0,$icw-1); $y1 = rand(0,$ich-1); $y2 = rand(0,$ich-1);
|
||||
$color = imagecolorallocate($dst, rand(0,$maxc)*25, rand(0,$maxc)*25, rand(0,$maxc)*25);
|
||||
imageline($dst,$x1,$y1,$x2,$y2,$color);
|
||||
}
|
||||
|
||||
imagepng($dst);
|
||||
}
|
||||
//header('Content-Type: image/png');
|
||||
//$t = generateCaptchaHash();
|
||||
//generateImage($t);
|
||||
?>
|
||||
16
js/imgcaptcha.js
Normal file
16
js/imgcaptcha.js
Normal file
@ -0,0 +1,16 @@
|
||||
//function obecnyCzas() {
|
||||
// return Math.round(new Date().getTime() / 1000);
|
||||
//}
|
||||
|
||||
function ic_odswiezKapcze() {
|
||||
$.get("/imgcaptcha_p.php", function(data) {
|
||||
$("#imgcaptcha_hash").val(data);
|
||||
$("#imgcaptcha_img").prop("src","/imgcaptcha_im.php?cr=" + data);
|
||||
});
|
||||
}
|
||||
//function resetujKapcze() {
|
||||
// $("#imgcaptcha_img").prop("src","/zakrytek.png");
|
||||
//}
|
||||
//$(document).ready(function(){
|
||||
// //resetujKapcze(); - to nie powinno byc na razie potrzebne
|
||||
//});
|
||||
8
post.php
8
post.php
@ -6,6 +6,7 @@
|
||||
|
||||
require 'inc/functions.php';
|
||||
require 'inc/anti-bot.php';
|
||||
require 'inc/imgcaptcha.php';
|
||||
|
||||
// Fix for magic quotes
|
||||
if (get_magic_quotes_gpc()) {
|
||||
@ -192,7 +193,12 @@ if (isset($_POST['delete'])) {
|
||||
error($config['error']['captcha']);
|
||||
}
|
||||
}
|
||||
|
||||
if ($config['imgcaptcha']) {
|
||||
if (!isset($_POST['imgcaptcha_verify']) || !isset($_POST['imgcaptcha_hash']))
|
||||
error($config['error']['bot']);
|
||||
if (ic_verifyHash($_POST['imgcaptcha_hash'],$_POST['imgcaptcha_verify']))
|
||||
error($config['error']['captcha']);
|
||||
}
|
||||
if ($post['mod'] = isset($_POST['mod']) && $_POST['mod']) {
|
||||
require 'inc/mod.php';
|
||||
if (!$mod) {
|
||||
|
||||
@ -58,6 +58,21 @@
|
||||
</td>
|
||||
</tr>
|
||||
{% endif %}
|
||||
{% if config.imgcaptcha %}
|
||||
<tr>
|
||||
<th>
|
||||
{% trans %}Verification{% endtrans %}
|
||||
{{ antibot.html() }}
|
||||
</th>
|
||||
<td>
|
||||
<input type="hidden" name="imgcaptcha_hash" id="imgcaptcha_hash" value="kucaj stad, kucu hakierze">
|
||||
<img src="{{ config.imgcaptcha_filler }}" width="{{ config.imgcaptcha_width }}px" height="{{ config.imgcaptcha_height }}px" id="imgcaptcha_img"></img><br>
|
||||
{{ config.imgcaptcha_question }} <input type="text" name="imgcaptcha_verify" id="imgcaptcha_verify" value=""></input><br>
|
||||
<a href="javascript:ic_odswiezKapcze()">Odswiez</a>
|
||||
{{ antibot.html() }}
|
||||
</td>
|
||||
</tr>
|
||||
{% endif %}
|
||||
<tr>
|
||||
<th>
|
||||
{% trans %}File{% endtrans %}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user