public function test_ipaddress_access_rule()
{
$quiz = new stdClass();
$attempt = new stdClass();
$cm = new stdClass();
$cm->id = 0;
// Test the allowed case by getting the user's IP address. However, this
// does not always work, for example using the mac install package on my laptop.
$quiz->subnet = getremoteaddr(null);
if (!empty($quiz->subnet)) {
$quiz->questions = '';
$quizobj = new quiz($quiz, $cm, null);
$rule = new quizaccess_ipaddress($quizobj, 0);
$this->assertFalse($rule->prevent_access());
$this->assertFalse($rule->description());
$this->assertFalse($rule->prevent_new_attempt(0, $attempt));
$this->assertFalse($rule->is_finished(0, $attempt));
$this->assertFalse($rule->end_time($attempt));
$this->assertFalse($rule->time_left_display($attempt, 0));
}
$quiz->subnet = '0.0.0.0';
$quiz->questions = '';
$quizobj = new quiz($quiz, $cm, null);
$rule = new quizaccess_ipaddress($quizobj, 0);
$this->assertNotEmpty($rule->prevent_access());
$this->assertEmpty($rule->description());
$this->assertFalse($rule->prevent_new_attempt(0, $attempt));
$this->assertFalse($rule->is_finished(0, $attempt));
$this->assertFalse($rule->end_time($attempt));
$this->assertFalse($rule->time_left_display($attempt, 0));
}
/**
* Check to see if the user should be prevented from reviewing based on their
* IP address.
*
* @return mixed A string indicating that the IP address is invalid, or false
* if review should be allowed.
*/
public function prevent_review_ipaddress()
{
global $CFG;
require_once $CFG->dirroot . '/mod/quiz/accessrule/ipaddress/rule.php';
// Check for administrative access and bypass IP restriction.
if (has_capability('mod/quiz:manage', $this->quizobj->get_context())) {
return false;
}
// Create the IP address rule and check.
$reviewrule = quizaccess_ipaddress::make($this->quizobj, $this->timenow, false);
if (is_object($reviewrule)) {
return $reviewrule->prevent_access();
} else {
return false;
}
}
