/**
* Construct the class; set defaults
*
* @access public
* @return void
*
**/
public function __construct()
{
parent::__construct();
// --------------------------------------------------------------------------
// Work out some variables
$_token = $this->input->get('token');
if ($_token) {
// Encrypted token/expiring URL
$_token = $this->encrypt->decode($_token, APP_PRIVATE_KEY);
$_token = explode('|', $_token);
if (count($_token) == 5) {
$this->_bad_token = FALSE;
// Seems to be ok, but verify the different parts
list($_bucket, $_object, $_expires, $_time, $_hash) = $_token;
if (md5($_time . $_bucket . $_object . $_expires . APP_PRIVATE_KEY) == $_hash) {
// Hash validates, URL expired?
if (time() <= $_time + $_expires) {
$this->_bucket = $_bucket;
$this->_object = $_object;
$this->_bad_token = FALSE;
} else {
$this->_bad_token = TRUE;
}
} else {
$this->_bad_token = TRUE;
}
} else {
$this->_bad_token = TRUE;
}
} else {
$this->_bad_token = FALSE;
$this->_bucket = $this->uri->segment(3);
$this->_object = urldecode($this->uri->segment(4));
}
}
/**
* Construct the class; set defaults
*
* @access public
* @return void
*
**/
public function __construct()
{
parent::__construct();
// --------------------------------------------------------------------------
// Determine dynamic values
$this->_width = $this->uri->segment(3, 100);
$this->_height = $this->uri->segment(4, 100);
$this->_bucket = $this->uri->segment(5);
$this->_object = urldecode($this->uri->segment(6));
$this->_extension = !empty($this->_object) ? strtolower(substr($this->_object, strrpos($this->_object, '.'))) : FALSE;
}
/**
* Construct the class; set defaults
*
* @access public
* @return void
*
**/
public function __construct()
{
parent::__construct();
// --------------------------------------------------------------------------
// 'Constant' variables
$this->_man = $this->_cdn_root . '_resources/img/avatar_man.png';
$this->_woman = $this->_cdn_root . '_resources/img/avatar_woman.png';
// --------------------------------------------------------------------------
// Determine dynamic values
$this->_width = $this->uri->segment(3, 100);
$this->_height = $this->uri->segment(4, 100);
$this->_sex = $this->uri->segment(5, 'man');
// Set a unique filename (but one which is constant if requested twice, i.e
// no random values)
$this->_cache_file = 'blank_avatar-' . $this->_width . 'x' . $this->_height . '-' . $this->_sex . '.png';
}
public function __construct()
{
parent::__construct();
// --------------------------------------------------------------------------
// 'Constant' variables
$this->_tile = $this->_cdn_root . '_resources/img/placeholder.png';
// Determine dynamic values
$this->_width = $this->uri->segment(3, 100);
$this->_height = $this->uri->segment(4, 100);
$this->_border = $this->uri->segment(5, 1);
// Apply limits (prevent DOS)
$this->_width = $this->_width > 2000 ? 2000 : $this->_width;
$this->_height = $this->_height > 2000 ? 2000 : $this->_height;
$this->_border = $this->_border > 2000 ? 2000 : $this->_border;
// Set a unique filename (but one which is constant if requested twice, i.e
// no random values)
$this->_cache_file = 'placeholder-' . $this->_width . 'x' . $this->_height . '-' . $this->_border . '.png';
}
/**
* Construct the class; set defaults
*
* @access public
* @return void
*
**/
public function __construct()
{
parent::__construct();
// --------------------------------------------------------------------------
// Module enabled?
if (!module_is_enabled('cdn')) {
show_404();
}
// --------------------------------------------------------------------------
// Determine if browsing/uploading is permitted
$this->data['enabled'] = $this->user_model->is_logged_in() ? TRUE : FALSE;
$this->data['enabled'] = TRUE;
// --------------------------------------------------------------------------
// Load CDN library
$this->load->library('cdn');
// --------------------------------------------------------------------------
if ($this->data['enabled']) {
// Define the directory, if a bucket has been specified use that, if not
// then use the user's upload directory
if ($this->input->get('bucket') && $this->input->get('hash')) {
// Decrypt the bucket and cross reference with the hash. Doing this so
// That users can't casually specify a bucket and upload willy nilly.
$_bucket = $this->input->get('bucket');
$_hash = $this->input->get('hash');
$_decrypted = $this->encrypt->decode($_bucket, APP_PRIVATE_KEY);
if ($_decrypted) {
$_bucket = explode('|', $_decrypted);
if ($_bucket[0] && isset($_bucket[1])) {
// Bucket and nonce set, cross-check
if (md5($_bucket[0] . '|' . $_bucket[1] . '|' . APP_PRIVATE_KEY) === $_hash) {
$this->data['bucket'] = $this->cdn->get_bucket($_bucket[0], TRUE, $this->input->get('filter-tag'));
if ($this->data['bucket']) {
$_test_ok = TRUE;
} else {
// Bucket doesn't exist - attempt to create it
if ($this->cdn->bucket_create($_bucket[0])) {
$_test_ok = TRUE;
$this->data['bucket'] = $this->cdn->get_bucket($_bucket[0], TRUE, $this->input->get('filter-tag'));
} else {
$_test_ok = FALSE;
$_error = 'Bucket <strong>"' . $_bucket[0] . '"</strong> does not exist';
$_error .= '<small>Additionally, the following error occured while attempting to create the bucket:<br />' . $this->cdn->last_error() . '</small>';
}
}
} else {
$_test_ok = FALSE;
$_error = 'Could not verify bucket hash';
}
} else {
$_test_ok = FALSE;
$_error = 'Incomplete bucket hash';
}
} else {
$_test_ok = FALSE;
$_error = 'Could not decrypt bucket hash';
}
// --------------------------------------------------------------------------
if (!$_test_ok) {
$this->data['enabled'] = FALSE;
$this->data['bad_bucket'] = $_error;
}
} else {
// No bucket specified, use the user's upload bucket
$_slug = 'user-' . active_user('id');
$_label = 'User Upload Directory';
// --------------------------------------------------------------------------
// Test bucket, if it doesn't exist, create it
$this->data['bucket'] = $this->cdn->get_bucket($_slug, TRUE, $this->input->get('filter-tag'));
if (!$this->data['bucket']) {
$_bucket_id = $this->cdn->bucket_create($_slug, $_label);
if (!$_bucket_id) {
$this->data['enabled'] = FALSE;
$this->data['bad_bucket'] = 'Unable to create upload bucket: ' . $this->cdn->last_error();
} else {
$this->data['bucket'] = $this->cdn->get_bucket($_bucket_id, TRUE, $this->input->get('filter-tag'));
}
}
}
}
}
