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But dont abuse of it!
But dont abuse of it!Contact section of Joomla! 1.5 using SecurityImages 5.0
User Rating:
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SecurityImages BETA will be available in no more than 2 days...
Note that SecurityImages is still WAY to intrusive toward Joomla! as core file has to be changed in order to use Captcha.
Lets take the contact section of Joomla! as an example.
- Download the patch HERE (soon available as a ready to use patch) and overwrite file on your server OR
- Do it on your own, this is more for 3rd party developer, or people wanting to understand the internal of Joomla! or SecurityImages
It is always recommended to use a switch in all your component to activate deactivate SecurityImages per components through the administrator control panel.
This is done by adding to administrator/components/com_contact/contact_items.xml the following code:
<param name="useSecurityImages" type="radio" default="1" label="Use SecurityImage Captcha" description="Enable Captcha verification">
<option value="0">No</option>
<option value="1">Yes</option>
</param>
Joomla will read this xml file on the fly and build the graphical user interface for the contact settings.
Since Joomla! 1.5 now use a Model View Controller paradigm, we have to alter the controller, and add a new Task displaySecurityImagesCaptcha()in components/com_contact/controller.php:
function displaySecurityImagesCaptcha() {
global $mainframe;
//Per contact you can define if the user has to resolve the capctha
$contactId = JRequest::getVar('contact_id', 0, '', 'int');
// load the contact details
$model = &$this->getModel('contact');
$qOptions['id'] = $contactId;
$contact = $model->getContact( $qOptions );
$params = new JParameter( $contact->params );
if ($params->get('useSecurityImages')) {
$check = null;
$mainframe->triggerEvent('onSecurityImagesDisplay', array($check));
if (!$check) {
echo "<br/>Erreur affichage du Captcha<br/>";
}
}
}
global $mainframe;
//Per contact you can define if the user has to resolve the capctha
$contactId = JRequest::getVar('contact_id', 0, '', 'int');
// load the contact details
$model = &$this->getModel('contact');
$qOptions['id'] = $contactId;
$contact = $model->getContact( $qOptions );
$params = new JParameter( $contact->params );
if ($params->get('useSecurityImages')) {
$check = null;
$mainframe->triggerEvent('onSecurityImagesDisplay', array($check));
if (!$check) {
echo "<br/>Erreur affichage du Captcha<br/>";
}
}
}
The next step is to add the task checkSecurityImagesCaptcha() checking the captcha in the components/com_contact/controller.php
function checkSecurityImagesCaptcha() {
global $mainframe;
$contactId = JRequest::getVar('id', 0, '', 'int');
// load the contact details
$model = &$this->getModel('contact');
$qOptions['id'] = $contactId;
$contact = $model->getContact( $qOptions );
$params = new JParameter( $contact->params );
//check if that user has a capctha
if (!$params->get('useSecurityImages')) {
return true;
}
$return = false;
$securityImagesJoomlaContactUserTry = JRequest::getVar('securityImagesJoomlaContactUserTry', false, '', 'CMD');
$mainframe->triggerEvent('onSecurityImagesCheck', array($securityImagesJoomlaContactUserTry &$return));
return $return;
}
global $mainframe;
$contactId = JRequest::getVar('id', 0, '', 'int');
// load the contact details
$model = &$this->getModel('contact');
$qOptions['id'] = $contactId;
$contact = $model->getContact( $qOptions );
$params = new JParameter( $contact->params );
//check if that user has a capctha
if (!$params->get('useSecurityImages')) {
return true;
}
$return = false;
$securityImagesJoomlaContactUserTry = JRequest::getVar('securityImagesJoomlaContactUserTry', false, '', 'CMD');
$mainframe->triggerEvent('onSecurityImagesCheck', array($securityImagesJoomlaContactUserTry &$return));
return $return;
}
global $mainframe;
if (!$this->checkSecurityImagesCaptcha()) {
JError::raiseWarning("999","Invalid Captcha Code");
$this->display();
return false;
}
if (!$this->checkSecurityImagesCaptcha()) {
JError::raiseWarning("999","Invalid Captcha Code");
$this->display();
return false;
}
to display the Captcha field
<?php if ($this->params->get('useSecurityImages')) { ?>
<img src="/index.php?option=com_contact&task=displaySecurityImagesCaptcha&contact_id=<?php echo $this->contact->id; ?>">
<br />
<input type="text" name="securityImagesJoomlaContactUserTry" />
<br />
<?php } ?>
<img src="/index.php?option=com_contact&task=displaySecurityImagesCaptcha&contact_id=<?php echo $this->contact->id; ?>">
<br />
<input type="text" name="securityImagesJoomlaContactUserTry" />
<br />
<?php } ?>
You might also like:
258 days ago
Nasty Bug in SecurityImages 5.1.2
Thanks to Margus Pala, a security Flaw has been reported and corrected in SecurityImages version 5
916 days ago
HOW to make your own patches for securityimages
Just in case I take too much time to deliver a ready to use download, duration 5 minutes, but you ne
926 days ago
Joomla_1.5.13-Stable-Full_PackageForSecurityImages5.1.x_v01.
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948 days ago
Joomla_1.5.12-Stable-Full_PackageForSecurityImages5.1.x_v01.
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Parent Category: Extensions
Category: SecurityImages
Created on Thursday, 20 March 2008 19:38
Last Updated on Thursday, 20 March 2008 18:40
Published Date
Hits: 15991
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