typecho有没有登录验证码插件？

yaner · 发表于 4 天前

jason 发表于 2024-11-29 00:07
不能用，beget空间，永远都是验证码错误

Plugin.php

<?php
namespace TypechoPlugin\LoginCaptcha;
use Typecho\Common;
use Typecho\Cookie;
use Typecho\Plugin\PluginInterface;
use Typecho\Widget\Helper\Form;
use Typecho\Request as HttpRequest;
use Typecho\Response as HttpResponse;
use Typecho\Widget\Request;
use Typecho\Widget\Response;
use Utils\Helper;
use Widget\Notice;
if (!defined('__TYPECHO_ROOT_DIR__')) exit;
/**
* Typecho 后台登录页面增加验证码保护
*
* @package LoginCaptcha
* @author Ryan
* @version 1.0.1
* @link https://doufu.ru
*
*/
class Plugin implements PluginInterface
{
public static function activate()
{
\Typecho\Plugin::factory('index.php')->begin = [__CLASS__, 'hookRoute'];
Helper::addRoute('login-captcha', '/login-captcha', Action::class, 'renderCaptcha');
\Typecho\Plugin::factory('admin/footer.php')->end = [__CLASS__, 'addCaptcha'];
}
public static function deactivate()
{
Helper::removeRoute('login-captcha');
}
public static function config(Form $form)
{
// 插件配置项
}
public static function personalConfig(Form $form)
{
// 个人配置项
}
public static function hookRoute()
{
$request = new Request(HttpRequest::getInstance());
$response = new Response(HttpRequest::getInstance(), HttpResponse::getInstance());
$pathinfo = $request->getPathInfo();
// Ensure session is started
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
if (preg_match("#/action/login#", $pathinfo)) {
if (!isset($_SESSION['captcha']) || intval($_POST['captcha']) != $_SESSION['captcha']) {
Notice::alloc()->set(_t('验证码错误'), 'error');
Cookie::set('__typecho_remember_captcha', '');
$response->goBack();
}
}
}
public static function addCaptcha()
{
$request = new Request(HttpRequest::getInstance());
$pathinfo = $request->getRequestUri();
$loginPath = Common::url('login.php', defined('__TYPECHO_ADMIN_DIR__') ? __TYPECHO_ADMIN_DIR__ : '/admin/');
$secureUrl = Helper::security()->getIndex('login-captcha');
if (stripos($pathinfo, $loginPath) === 0) {
?>
<script>
(function () {
let _src = '<?php echo $secureUrl ?>';
const src = _src + (_src.includes('?') ? '&t=' : '?t=');
let pwd = document.getElementById('password');
pwd?.parentNode?.insertAdjacentHTML('afterend', `<p id="captcha-section">
<label class="sr-only" for="captcha"><?php _e("验证码"); ?></label>
<input type="text" name="captcha" id="captcha" class="text-l w-100" placeholder="<?php _e("验证码答案"); ?>" required />
<img id="captcha-img" src="<?php echo $secureUrl ?>" title="<?php _e("点击刷新") ?>" />
</p>`);
let img = document.getElementById('captcha-img');
let timeOut;
img?.addEventListener('click', function () {
if (img.classList.contains('not-allow')) {
return;
}
img.classList.add('not-allow');
img.src = src + Math.random();
timeOut = setTimeout(() => {
img.classList.remove('not-allow');
}, 1000);
});
})()
</script>
<style>
#captcha-section {
display: flex;
}
#captcha {
box-sizing: border-box;
}
#captcha:invalid:not(:placeholder-shown) {
border: 2px solid red; /* 不符合模式时显示红框 */
}
#captcha:valid {
border: 2px solid green; /* 符合模式时显示绿框 */
}
#captcha-img {
cursor: pointer;
}
#captcha-img.not-allow {
cursor: not-allowed;
}
</style>
<?php
}
}
}

复制代码

Action.php

<?php
namespace TypechoPlugin\LoginCaptcha;
use Typecho\Widget;
use Utils\Helper;
use Widget\ActionInterface;
class Action extends Widget implements ActionInterface
{
public function renderCaptcha()
{
Helper::security()->protect();
// Ensure session is started
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
$captcha = $this->generateCaptcha();
$_SESSION['captcha'] = $captcha['code'];
header('Content-type: image/png');
imagepng($captcha['image']);
imagedestroy($captcha['image']);
exit;
}
private function generateCaptcha(): array
{
$num1 = rand(10, 99); // 两位数
$num2 = rand(10, 99); // 两位数
$code = $num1 + $num2;
$question = "$num1 + $num2 = ?";
$width = 100;
$height = 30;
$image = imagecreatetruecolor($width, $height);
// Enable transparency
imagealphablending($image, false);
imagesavealpha($image, true);
// Allocate a transparent background
$background_color = imagecolorallocatealpha($image, 255, 255, 255, 127);
imagefill($image, 0, 0, $background_color);
// Add noise to the background with random colors
for ($i = 0; $i < 100; $i++) {
$noise_color = imagecolorallocate($image, rand(100, 255), rand(100, 255), rand(100, 255));
imagesetpixel($image, rand(0, $width), rand(0, $height), $noise_color);
}
$text_color = imagecolorallocate($image, rand(0, 255), rand(0, 255), rand(0, 255));
imagettftext($image, 20, 0, 10, 25, $text_color, dirname(__FILE__) . DIRECTORY_SEPARATOR . 'c7a6aeea915a139782e569aaaf55a5aa.ttf', $question);
return array('image' => $image, 'code' => $code);
}
public function action()
{
// Empty action method
}
}

复制代码

yaner · 发表于 4 天前

本帖最后由 yaner 于 2024-11-30 16:29 编辑

efc88ff45580620 发表于 2024-11-29 00:20
我也是，无法登录了

Action.php 验证码更新为汉字一位数加法

<?php
namespace TypechoPlugin\LoginCaptcha;
use Typecho\Widget;
use Utils\Helper;
use Widget\ActionInterface;
class Action extends Widget implements ActionInterface
{
public function renderCaptcha()
{
Helper::security()->protect();
// Ensure session is started
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
$captcha = $this->generateCaptcha();
$_SESSION['captcha'] = $captcha['code'];
header('Content-type: image/png');
imagepng($captcha['image']);
imagedestroy($captcha['image']);
exit;
}
private function generateCaptcha(): array
{
$num1 = rand(1, 9); // 一位数
$num2 = rand(1, 9); // 一位数
$code = $num1 + $num2;
$question = $this->numberToChinese($num1) . " + " . $this->numberToChinese($num2) . " = ?";
$width = 200; // Adjusted width for longer text
$height = 30;
$image = imagecreatetruecolor($width, $height);
// Enable transparency
imagealphablending($image, false);
imagesavealpha($image, true);
// Allocate a transparent background
$background_color = imagecolorallocatealpha($image, 255, 255, 255, 127);
imagefill($image, 0, 0, $background_color);
// Add noise to the background with random colors
for ($i = 0; $i < 100; $i++) {
$noise_color = imagecolorallocate($image, rand(100, 255), rand(100, 255), rand(100, 255));
imagesetpixel($image, rand(0, $width), rand(0, $height), $noise_color);
}
$text_color = imagecolorallocate($image, rand(0, 255), rand(0, 255), rand(0, 255));
imagettftext($image, 20, 0, 10, 25, $text_color, dirname(__FILE__) . DIRECTORY_SEPARATOR . 'hylxjt.ttf', $question);
return array('image' => $image, 'code' => $code);
}
private function numberToChinese($num)
{
$chineseNumbers = array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
return $chineseNumbers[$num];
}
public function action()
{
// Empty action method
}
}

复制代码

附带瘦身的字体文件

yaner · 发表于 4 天前

本帖最后由 yaner 于 2024-11-30 17:06 编辑

Action.php 更新为汉字、数字随机显示一位数加法

<?php
namespace TypechoPlugin\LoginCaptcha;
use Typecho\Widget;
use Utils\Helper;
use Widget\ActionInterface;
class Action extends Widget implements ActionInterface
{
public function renderCaptcha()
{
Helper::security()->protect();
// Ensure session is started
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
$captcha = $this->generateCaptcha();
$_SESSION['captcha'] = $captcha['code'];
header('Content-type: image/png');
imagepng($captcha['image']);
imagedestroy($captcha['image']);
exit;
}
private function generateCaptcha(): array
{
$num1 = rand(1, 9); // 一位数
$num2 = rand(1, 9); // 一位数
$code = $num1 + $num2;
$num1Chinese = $this->numberToChinese($num1);
$num2Chinese = $this->numberToChinese($num2);
// 随机选择阿拉伯数字和汉字显示，保证至少有一个是汉字
$rand = rand(0, 2);
if ($rand == 0) {
$question = "$num1 + $num2Chinese=?";
} elseif ($rand == 1) {
$question = "$num1Chinese + $num2=?";
} else {
$question = "$num1Chinese + $num2Chinese=?";
}
$width = 170; // Fixed width
$height = 50; // Fixed height
$image = imagecreatetruecolor($width, $height);
// Enable transparency
imagealphablending($image, false);
imagesavealpha($image, true);
// Allocate a transparent background
$background_color = imagecolorallocatealpha($image, 255, 255, 255, 127);
imagefill($image, 0, 0, $background_color);
// Add noise to the background with random colors
for ($i = 0; $i < 100; $i++) {
$noise_color = imagecolorallocate($image, rand(100, 255), rand(100, 255), rand(100, 255));
imagesetpixel($image, rand(0, $width), rand(0, $height), $noise_color);
}
// Add interference lines
for ($i = 0; $i < 5; $i++) {
$line_color = imagecolorallocate($image, rand(100, 255), rand(100, 255), rand(100, 255));
imageline($image, rand(0, $width), rand(0, $height), rand(0, $width), rand(0, $height), $line_color);
}
// Calculate the position to ensure the text is centered in the middle 80% area
$textbox = imagettfbbox(20, 0, dirname(__FILE__) . DIRECTORY_SEPARATOR . 'hylxjt.ttf', $question);
$text_width = $textbox[2] - $textbox[0];
$text_height = $textbox[7] - $textbox[1];
$x = ($width - $text_width) / 2; // Center horizontally
$y = ($height - $text_height) / 2; // Center vertically and adjust for font size
$text_color = imagecolorallocate($image, rand(0, 255), rand(0, 255), rand(0, 255));
imagettftext($image, 20, 0, $x, $y, $text_color, dirname(__FILE__) . DIRECTORY_SEPARATOR . 'hylxjt.ttf', $question);
return array('image' => $image, 'code' => $code);
}
private function numberToChinese($num)
{
$chineseNumbers = array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
return $chineseNumbers[$num];
}
public function action()
{
// Empty action method
}
}

复制代码

感谢豆腐ru的基础代码，我就是瞎搞一下，不保证安全性，也不能自定义配置。
主要是记录在这，万一哪天自用需要

逗妇乳 · 发表于 4 天前

yaner 发表于 2024-11-30 17:00
Action.php 更新为汉字、数字随机显示一位数加法

目前确实不能自定义，后续可以合并起来做成插件模式，等我有空再说

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[程序代码] typecho有没有登录验证码插件？

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