function CommonXssUnitTest::testBadProtocolStripping

Check that harmful protocols are stripped.

File

modules/simpletest/tests/common.test, line 555

Class

CommonXssUnitTest

Tests for check_plain(), filter_xss(), format_string(), and check_url().

Code

function testBadProtocolStripping() {
    // Ensure that check_url() strips out harmful protocols, and encodes for
    // HTML.
    $url = 'javascript:http://www.example.com/?x=1&y=2';
    $expected_html = 'http://www.example.com/?x=1&y=2';
    $this->assertIdentical(check_url($url), $expected_html, 'check_url() filters a URL and encodes it for HTML.');
    // Ensure that drupal_strip_dangerous_protocols() can be used to return a
    // plain-text string stripped of harmful protocols.
    $data = array(
        'javascript:http://www.example.com/?x=1&y=2' => 'http://www.example.com/?x=1&y=2',
        'foo://disallowed.com' => '//disallowed.com',
        'http://example.com' => 'http://example.com',
        'https://example.com' => 'https://example.com',
        'www.example.com' => 'www.example.com',
        'mailto:person2@example.com' => 'mailto:person2@example.com',
        'person2@example.com' => 'person2@example.com',
        'ftp://example.com' => 'ftp://example.com',
        'sftp://secure.host' => 'sftp://secure.host',
        'ssh://odd.geek' => 'ssh://odd.geek',
        'news://example.net' => 'news://example.net',
        'telnet://example' => 'telnet://example',
        'irc://example.host' => 'irc://example.host',
        'webcal://calendar' => 'webcal://calendar',
        'rtsp://127.0.0.1' => 'rtsp://127.0.0.1',
        'tel:111111111' => 'tel:111111111',
    );
    foreach ($data as $url => $expected_plain) {
        $this->assertIdentical(drupal_strip_dangerous_protocols($url), $expected_plain, 'drupal_strip_dangerous_protocols() filters a URL and returns plain text.');
    }
}