/**
* Read an existing paste or comment
*
* @access private
* @param string $dataid
* @return void
*/
private function _read($dataid)
{
$isJson = false;
if (($pos = strpos($dataid, '&json')) !== false) {
$isJson = true;
$dataid = substr($dataid, 0, $pos);
}
// Is this a valid paste identifier?
if (!filter::is_valid_paste_id($dataid)) {
$this->_error = 'Invalid paste ID.';
return;
}
// Check that paste exists.
if ($this->_model()->exists($dataid)) {
// Get the paste itself.
$paste = $this->_model()->read($dataid);
// See if paste has expired.
if (isset($paste->meta->expire_date) && $paste->meta->expire_date < time()) {
// Delete the paste
$this->_model()->delete($dataid);
$this->_error = self::GENERIC_ERROR;
} else {
// We kindly provide the remaining time before expiration (in seconds)
if (property_exists($paste->meta, 'expire_date')) {
$paste->meta->remaining_time = $paste->meta->expire_date - time();
}
// The paste itself is the first in the list of encrypted messages.
$messages = array($paste);
// If it's a discussion, get all comments.
if (property_exists($paste->meta, 'opendiscussion') && $paste->meta->opendiscussion) {
$messages = array_merge($messages, $this->_model()->readComments($dataid));
}
// set formatter for for the view.
if (!property_exists($paste->meta, 'formatter')) {
// support < 0.21 syntax highlighting
if (property_exists($paste->meta, 'syntaxcoloring') && $paste->meta->syntaxcoloring === true) {
$paste->meta->formatter = 'syntaxhighlighting';
} else {
$paste->meta->formatter = $this->_getMainConfig('defaultformatter', 'syntaxhighlighting');
}
}
$this->_data = json_encode($messages);
}
} else {
$this->_error = self::GENERIC_ERROR;
}
if ($isJson) {
if (strlen($this->_error)) {
$this->_return_message(1, $this->_error);
} else {
$this->_return_message(0, $dataid, array('messages' => $messages));
}
}
}
/**
* Read an existing paste or comment
*
* @access private
* @param string $dataid
* @return void
*/
private function _read($dataid)
{
// Is this a valid paste identifier?
if (!filter::is_valid_paste_id($dataid)) {
$this->_error = 'Invalid paste ID.';
return;
}
// Check that paste exists.
if ($this->_model()->exists($dataid)) {
// Get the paste itself.
$paste = $this->_model()->read($dataid);
// See if paste has expired.
if (isset($paste->meta->expire_date) && $paste->meta->expire_date < time()) {
// Delete the paste
$this->_model()->delete($dataid);
$this->_error = 'Paste does not exist, has expired or has been deleted.';
} else {
// We kindly provide the remaining time before expiration (in seconds)
if (property_exists($paste->meta, 'expire_date')) {
$paste->meta->remaining_time = $paste->meta->expire_date - time();
}
// The paste itself is the first in the list of encrypted messages.
$messages = array($paste);
// If it's a discussion, get all comments.
if (property_exists($paste->meta, 'opendiscussion') && $paste->meta->opendiscussion) {
$messages = array_merge($messages, $this->_model()->readComments($dataid));
}
$this->_data = json_encode($messages);
// If the paste was meant to be read only once, delete it.
if (property_exists($paste->meta, 'burnafterreading') && $paste->meta->burnafterreading) {
$this->_model()->delete($dataid);
}
}
} else {
$this->_error = 'Paste does not exist or has expired.';
}
}
public function testPasteIdValidation()
{
$this->assertTrue(filter::is_valid_paste_id('a242ab7bdfb2581a'), 'valid paste id');
$this->assertFalse(filter::is_valid_paste_id('foo'), 'invalid hex values');
$this->assertFalse(filter::is_valid_paste_id('../bar/baz'), 'path attack');
}
