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<?php
include_once "{$_SERVER['DOCUMENT_ROOT']}/lib/config.php";
include_once "{$_SERVER['DOCUMENT_ROOT']}/lib/alert.php";
include_once "{$_SERVER['DOCUMENT_ROOT']}/lib/captcha.php";
include_once "{$_SERVER['DOCUMENT_ROOT']}/lib/utils.php";
session_start();
if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST["answer"])) {
if ($_POST["answer"] == ($_SESSION["captcha_word"] ?? "")) {
$_SESSION["captcha_solved"] = true;
echo json_response([
"status_code" => 200,
"message" => "Solved!",
"data" => null
]);
} else {
echo json_response([
"status_code" => 400,
"message" => "Wrong answer!",
"data" => null
], 400);
}
exit;
}
$file_folder = $_SERVER["DOCUMENT_ROOT"] . '/static/img/captcha';
if (!CONFIG['captcha']['enable'] || ($_SESSION["captcha_solved"] ?? false) || !is_dir($file_folder)) {
$_SESSION["captcha_solved"] = true;
echo json_response([
"status_code" => 200,
"message" => "No need to solve captcha",
"data" => null
]);
exit;
}
$files = scandir($file_folder);
array_splice($files, 0, 2);
$filename = $files[random_int(0, count($files) - 1)];
$filename = basename($filename, ".png");
$_SESSION["captcha_word"] = $filename;
$image = generate_image_captcha(
CONFIG['captcha']['x'],
CONFIG['captcha']['y'],
random_int(1, 3),
$filename,
$file_folder
);
echo json_response([
"status_code" => 200,
"message" => null,
"data" => $image
]);
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