如何将phpcaptcha添加到OpenCart

Question

Could someone please tell me how I can add the Phpcaptcha (secureimage) library to OpenCart?

So far I can show the image in the template file catalog\\view\\theme\\default\\template\\information\\contact.tpl:

<img id="captcha" src="system/library/securimage/securimage_show.php" alt="CAPTCHA Image" />
<a href="#" onclick="document.getElementById('captcha').src = 'system/library/securimage/securimage_show.php?' + Math.random(); return false">
<img src="system/library/securimage/images/refresh.png" height="25" width="25" alt="Reload Image" onclick="this.blur()" align="bottom" border="0"></a>
<input type="text" id="captcha_code" name="captcha" size="31" maxlength="6" value="" onblur="check('captcha_code');" />

but I don't know what to do with the controller. Where and how do I load the Secureimage library and initialise the Secureimage class and set its variables and validate the image?

Will very much appreciate your help. Thank you.

[SOLVED]

I got it. In the catalog\\controller\\information\\contact.php comment out and include this code in the validate():

//if (empty($this->session->data['captcha']) || ($this->session->data['captcha'] != $this->request->post['captcha'])) {
    //$this->error['captcha'] = $this->language->get('error_captcha');
//}

$this->load->library('securimage/securimage');
$captcha = new Securimage();
$captcha_code = (isset($_POST['captcha_code'])) ? $_POST['captcha_code'] : '';
$valid = $captcha->check($captcha_code);
if (!$valid) {
    $this->error['captcha'] = $this->language->get('error_captcha');
}

PS. Assuming the secureimage library is located in /system/library/secureimage

---

[ALTERNATIVE SOLUTION - DOESN't WORK YET]

I've added the securimage to the index.php:

require_once(DIR_SYSTEM . 'library/securimage/securimage.php');
$registry->set('securimage', new Securimage($registry));

changed contact.tpl:

<img id="captcha" src="index.php?route=information/contact/securimage" alt="CAPTCHA Image" />
<a href="#" onclick="document.getElementById('captcha').src = 'system/library/securimage/securimage_show.php?' + Math.random(); return false">
<img src="system/library/securimage/images/refresh.png" height="25" width="25" alt="Reload Image" onclick="this.blur()" align="bottom" border="0"></a>

the controller has:

if (empty($this->session->data['captcha']) || ($this->session->data['captcha'] != $this->request->post['captcha_code'])) {
    $this->error['captcha'] = $this->language->get('error_captcha');
}

public function securimage() {
$securimage = new Securimage();
$this->session->data['captcha'] = $securimage->getCode();
$securimage->show();
}   

I've got the picture, but after POST, it gives me an error - it seems the code doesn't get verified.

Answer 1

1. Add the library file to system/library/ folder.

2. Include the library file in index.php file like: (for reference check how the customer.php library file is added and used.)

   require_once(DIR_SYSTEM . 'library/secureimage.php');

   // Secure captcha //add after $registry->set('customer', new Customer($registry)); $registry->set('securecaptcha', new Securecaptcha($registry));

3. Add a new function for your new captcha image in catalog/controller/information/contact.php and generate the image. (refer the default captcha function)

4. In catalog/view/theme/default/template/information/contact.tpl (replace default with your theme folder name if you're not using the default theme), replace <img src="index.php?route=information/contact/captcha" alt="" /> with your new function like <img src="index.php?route=information/contact/securecaptchaimage" alt="" />

Have a nice day !!