diff options
Diffstat (limited to 'captcha.php')
| -rw-r--r-- | captcha.php | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/captcha.php b/captcha.php new file mode 100644 index 0000000..b454b7d --- /dev/null +++ b/captcha.php @@ -0,0 +1,59 @@ +<?php +include_once "../src/config.php"; +include_once "../src/alert.php"; +include_once "../src/captcha.php"; +include_once "../src/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 = $_SERVER["DOCUMENT_ROOT"] . '/static/img/captcha'; + +if (!CAPTCHA_ENABLE || ($_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( + CAPTCHA_SIZE[0], + CAPTCHA_SIZE[1], + random_int(1, 3), + $filename, + $file_folder +); + +echo json_response([ + "status_code" => 200, + "message" => null, + "data" => $image +]);
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