Korbs/4get-patches
1
Fork 0
Code Issues Pull requests Activity

boobs

Browse source
This commit is contained in:
lolcat 2024-02-17 23:22:19 -05:00
parent edc917f5ee
commit addc5a14a9
27 changed files with 1521 additions and 215 deletions
Download patch file Download diff file Expand all files Collapse all files

128
captcha.php
View file

@ -1,47 +1,104 @@
<?php
if(
!isset($_GET["k"]) ||
isset($_GET["v"]) === false ||
is_array($_GET["v"]) === true ||
preg_match(
'/^c\.[0-9]+$/',
$_GET["k"]
)
'/^c[0-9]+\.[A-Za-z0-9_]{20}$/',
$_GET["v"]
) === 0
){
http_response_code(401);
header("Content-Type: text/plain");
echo "Fuck you";
echo "Fuck my feathered cloaca";
die();
}
header("Content-Type: image/jpeg");
//header("Content-Type: image/jpeg");
include "data/config.php";
$grid = apcu_fetch($_GET["k"]);
if(
$grid === false ||
$grid[3] === true // has already been generated
){
if(config::BOT_PROTECTION !== 1){
header("Content-Type: text/plain");
echo "The IQ test is disabled";
die();
}
$grid = apcu_fetch($_GET["v"]);
if($grid !== false){
// captcha already generated
http_response_code(304); // not modified
die();
}
header("Content-Type: image/jpeg");
header("Last-Modified: Thu, 01 Oct 1970 00:00:00 GMT");
// only generate one captcha with this config
// ** generate captcha data
// get the positions for the answers
// will return between 3 and 6 answer positions
$range = range(0, 15);
$answer_pos = [];
array_splice($range, 0, 1);
$picks = random_int(3, 6);
for($i=0; $i<$picks; $i++){
$answer_pos_tmp =
array_splice(
$range,
random_int(
0,
14 - $i
),
1
);
$answer_pos[] = $answer_pos_tmp[0];
}
// choose a dataset
$c = count(config::CAPTCHA_DATASET);
$choosen = config::CAPTCHA_DATASET[random_int(0, $c - 1)];
$choices = [];
for($i=0; $i<$c; $i++){
if(config::CAPTCHA_DATASET[$i][0] == $choosen[0]){
continue;
}
$choices[] = config::CAPTCHA_DATASET[$i];
}
// generate grid data
$grid = [];
for($i=0; $i<16; $i++){
if(in_array($i, $answer_pos)){
$grid[] = $choosen;
}else{
$grid[] = $choices[random_int(0, count($choices) - 1)];
}
}
// store grid data for form validation on captcha_gen.php
apcu_store(
$_GET["k"],
[
$grid[0],
$grid[1],
$grid[2],
true // has captcha been generated?
],
120 // we give user another 2 minutes to solve
$_GET["v"],
$answer_pos,
60 // we give user 1 minute to solve
);
// generate image
if(random_int(0,1) === 0){
$theme = [
@ -57,7 +114,7 @@ if(random_int(0,1) === 0){
}
$im = new Imagick();
$im->newImage(400, 400, $theme["bg"]);
$im->newImage(400, 427, $theme["bg"]);
$im->setImageBackgroundColor($theme["bg"]);
$im->setImageFormat("jpg");
@ -76,12 +133,18 @@ for($y=0; $y<4; $y++){
for($x=0; $x<4; $x++){
$tmp = new Imagick("./data/captcha/" . $grid[0][$i][0] . "/" . random_int(1, $grid[0][$i][1]) . ".png");
$tmp = new Imagick("./data/captcha/" . $grid[$i][0] . "/" . random_int(1, $grid[$i][1]) . ".png");
// convert transparency correctly
$tmp->setImageBackgroundColor("black");
$tmp->setImageAlphaChannel(Imagick::ALPHACHANNEL_REMOVE);
// randomly mirror
if(random_int(0,1) === 1){
$tmp->flopImage();
}
// distort $tmp
$tmp->distortImage(
$distort[random_int(0,1)],
@ -101,21 +164,15 @@ for($y=0; $y<4; $y++){
false
);
$tmp->addNoiseImage($noise[random_int(0, 1)]);
// append image
$im->compositeImage($tmp->getImage(), Imagick::COMPOSITE_DEFAULT, $x * 100, $y * 100);
$im->compositeImage($tmp->getImage(), Imagick::COMPOSITE_DEFAULT, $x * 100, ($y * 100) + 27);
$i++;
}
}
// add noise
$im->addNoiseImage($noise[random_int(0, 1)]);
// expand top of image
$im->setImageGravity(Imagick::GRAVITY_SOUTH);
$im->chopImage(0, -27, 400, 400);
$im->extentImage(0, 0, 0, -27);
// add text
$draw = new ImagickDraw();
$draw->setFontSize(20);
@ -123,7 +180,7 @@ $draw->setFillColor($theme["fg"]);
//$draw->setTextAntialias(false);
$draw->setFont("./data/captcha/font.ttf");
$text = "Pick " . $grid[1] . " images of " . str_replace("_", " ", $grid[2]);
$text = "Pick " . $picks . " images of " . str_replace("_", " ", $choosen[0]);
$pos = 200 - ($im->queryFontMetrics($draw, $text)["textWidth"] / 2);
@ -143,5 +200,4 @@ for($i=0; $i<strlen($text); $i++){
$im->setFormat("jpeg");
$im->setImageCompressionQuality(90);
$im->setImageCompression(Imagick::COMPRESSION_JPEG2000);
echo $im->getImageBlob();