d7_to_d10_migration/drupal7/web/modules/simpletest/tests/session.test

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<?php
/**
* @file
* Provides SimpleTests for core session handling functionality.
*/
class SessionTestCase extends DrupalWebTestCase {
protected $_logged_in;
public static function getInfo() {
return array(
'name' => 'Session tests',
'description' => 'Drupal session handling tests.',
'group' => 'Session'
);
}
function setUp() {
parent::setUp('session_test');
}
/**
* Tests for drupal_save_session() and drupal_session_regenerate().
*/
function testSessionSaveRegenerate() {
$this->assertFalse(drupal_save_session(), 'drupal_save_session() correctly returns FALSE (inside of testing framework) when initially called with no arguments.', 'Session');
$this->assertFalse(drupal_save_session(FALSE), 'drupal_save_session() correctly returns FALSE when called with FALSE.', 'Session');
$this->assertFalse(drupal_save_session(), 'drupal_save_session() correctly returns FALSE when saving has been disabled.', 'Session');
$this->assertTrue(drupal_save_session(TRUE), 'drupal_save_session() correctly returns TRUE when called with TRUE.', 'Session');
$this->assertTrue(drupal_save_session(), 'drupal_save_session() correctly returns TRUE when saving has been enabled.', 'Session');
// Test session hardening code from SA-2008-044.
$user = $this->drupalCreateUser(array('access content'));
// Enable sessions.
$this->sessionReset($user->uid);
// Make sure the session cookie is set as HttpOnly.
$this->drupalLogin($user);
$this->assertTrue(preg_match('/HttpOnly/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie is set as HttpOnly.');
$this->drupalLogout();
// Verify that the session is regenerated if a module calls exit
// in hook_user_login().
user_save($user, array('name' => 'session_test_user'));
$user->name = 'session_test_user';
$this->drupalGet('session-test/id');
$matches = array();
preg_match('/\s*session_id:(.*)\n/', $this->drupalGetContent(), $matches);
$this->assertTrue(!empty($matches[1]) , 'Found session ID before logging in.');
$original_session = $matches[1];
// We cannot use $this->drupalLogin($user); because we exit in
// session_test_user_login() which breaks a normal assertion.
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw
);
$this->drupalPost('user', $edit, t('Log in'));
$this->drupalGet('user');
$pass = $this->assertText($user->name, format_string('Found name: %name', array('%name' => $user->name)), 'User login');
$this->_logged_in = $pass;
$this->drupalGet('session-test/id');
$matches = array();
preg_match('/\s*session_id:(.*)\n/', $this->drupalGetContent(), $matches);
$this->assertTrue(!empty($matches[1]) , 'Found session ID after logging in.');
$this->assertTrue($matches[1] != $original_session, 'Session ID changed after login.');
}
/**
* Test data persistence via the session_test module callbacks.
*/
function testDataPersistence() {
$user = $this->drupalCreateUser(array('access content'));
// Enable sessions.
$this->sessionReset($user->uid);
$this->drupalLogin($user);
$value_1 = $this->randomName();
$this->drupalGet('session-test/set/' . $value_1);
$this->assertText($value_1, 'The session value was stored.', 'Session');
$this->drupalGet('session-test/get');
$this->assertText($value_1, 'Session correctly returned the stored data for an authenticated user.', 'Session');
// Attempt to write over val_1. If drupal_save_session(FALSE) is working.
// properly, val_1 will still be set.
$value_2 = $this->randomName();
$this->drupalGet('session-test/no-set/' . $value_2);
$this->assertText($value_2, 'The session value was correctly passed to session-test/no-set.', 'Session');
$this->drupalGet('session-test/get');
$this->assertText($value_1, 'Session data is not saved for drupal_save_session(FALSE).', 'Session');
// Switch browser cookie to anonymous user, then back to user 1.
$this->sessionReset();
$this->sessionReset($user->uid);
$this->assertText($value_1, 'Session data persists through browser close.', 'Session');
// Logout the user and make sure the stored value no longer persists.
$this->drupalLogout();
$this->sessionReset();
$this->drupalGet('session-test/get');
$this->assertNoText($value_1, "After logout, previous user's session data is not available.", 'Session');
// Now try to store some data as an anonymous user.
$value_3 = $this->randomName();
$this->drupalGet('session-test/set/' . $value_3);
$this->assertText($value_3, 'Session data stored for anonymous user.', 'Session');
$this->drupalGet('session-test/get');
$this->assertText($value_3, 'Session correctly returned the stored data for an anonymous user.', 'Session');
// Try to store data when drupal_save_session(FALSE).
$value_4 = $this->randomName();
$this->drupalGet('session-test/no-set/' . $value_4);
$this->assertText($value_4, 'The session value was correctly passed to session-test/no-set.', 'Session');
$this->drupalGet('session-test/get');
$this->assertText($value_3, 'Session data is not saved for drupal_save_session(FALSE).', 'Session');
// Login, the data should persist.
$this->drupalLogin($user);
$this->sessionReset($user->uid);
$this->drupalGet('session-test/get');
$this->assertNoText($value_1, 'Session has persisted for an authenticated user after logging out and then back in.', 'Session');
// Change session and create another user.
$user2 = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user2->uid);
$this->drupalLogin($user2);
}
/**
* Test that empty anonymous sessions are destroyed.
*/
function testEmptyAnonymousSession() {
// Verify that no session is automatically created for anonymous user.
$this->drupalGet('');
$this->assertSessionCookie(FALSE);
$this->assertSessionEmpty(TRUE);
// The same behavior is expected when caching is enabled.
variable_set('cache', 1);
$this->drupalGet('');
$this->assertSessionCookie(FALSE);
$this->assertSessionEmpty(TRUE);
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
// Start a new session by setting a message.
$this->drupalGet('session-test/set-message');
$this->assertSessionCookie(TRUE);
$this->assertTrue($this->drupalGetHeader('Set-Cookie'), 'New session was started.');
// Display the message, during the same request the session is destroyed
// and the session cookie is unset.
$this->drupalGet('');
$this->assertSessionCookie(FALSE);
$this->assertSessionEmpty(FALSE);
$this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'), 'Caching was bypassed.');
$this->assertText(t('This is a dummy message.'), 'Message was displayed.');
$this->assertTrue(preg_match('/SESS\w+=deleted/', $this->drupalGetHeader('Set-Cookie')), 'Session cookie was deleted.');
// Verify that session was destroyed.
$this->drupalGet('');
$this->assertSessionCookie(FALSE);
$this->assertSessionEmpty(TRUE);
$this->assertNoText(t('This is a dummy message.'), 'Message was not cached.');
$this->assertEqual($this->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
$this->assertFalse($this->drupalGetHeader('Set-Cookie'), 'New session was not started.');
// Verify that no session is created if drupal_save_session(FALSE) is called.
$this->drupalGet('session-test/set-message-but-dont-save');
$this->assertSessionCookie(FALSE);
$this->assertSessionEmpty(TRUE);
// Verify that no message is displayed.
$this->drupalGet('');
$this->assertSessionCookie(FALSE);
$this->assertSessionEmpty(TRUE);
$this->assertNoText(t('This is a dummy message.'), 'The message was not saved.');
}
/**
* Test that sessions are only saved when necessary.
*/
function testSessionWrite() {
$user = $this->drupalCreateUser(array('access content'));
$this->drupalLogin($user);
$sql = 'SELECT u.access, s.timestamp FROM {users} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE u.uid = :uid';
$times1 = db_query($sql, array(':uid' => $user->uid))->fetchObject();
// Before every request we sleep one second to make sure that if the session
// is saved, its timestamp will change.
// Modify the session.
sleep(1);
$this->drupalGet('session-test/set/foo');
$times2 = db_query($sql, array(':uid' => $user->uid))->fetchObject();
$this->assertEqual($times2->access, $times1->access, 'Users table was not updated.');
$this->assertNotEqual($times2->timestamp, $times1->timestamp, 'Sessions table was updated.');
// Write the same value again, i.e. do not modify the session.
sleep(1);
$this->drupalGet('session-test/set/foo');
$times3 = db_query($sql, array(':uid' => $user->uid))->fetchObject();
$this->assertEqual($times3->access, $times1->access, 'Users table was not updated.');
$this->assertEqual($times3->timestamp, $times2->timestamp, 'Sessions table was not updated.');
// Do not change the session.
sleep(1);
$this->drupalGet('');
$times4 = db_query($sql, array(':uid' => $user->uid))->fetchObject();
$this->assertEqual($times4->access, $times3->access, 'Users table was not updated.');
$this->assertEqual($times4->timestamp, $times3->timestamp, 'Sessions table was not updated.');
// Force updating of users and sessions table once per second.
variable_set('session_write_interval', 0);
$this->drupalGet('');
$times5 = db_query($sql, array(':uid' => $user->uid))->fetchObject();
$this->assertNotEqual($times5->access, $times4->access, 'Users table was updated.');
$this->assertNotEqual($times5->timestamp, $times4->timestamp, 'Sessions table was updated.');
}
/**
* Test that empty session IDs are not allowed.
*/
function testEmptySessionID() {
$user = $this->drupalCreateUser(array('access content'));
$this->drupalLogin($user);
$this->drupalGet('session-test/is-logged-in');
$this->assertResponse(200, 'User is logged in.');
// Reset the sid in {sessions} to a blank string. This may exist in the
// wild in some cases, although we normally prevent it from happening.
db_query("UPDATE {sessions} SET sid = '' WHERE uid = :uid", array(':uid' => $user->uid));
// Send a blank sid in the session cookie, and the session should no longer
// be valid. Closing the curl handler will stop the previous session ID
// from persisting.
$this->curlClose();
$this->additionalCurlOptions[CURLOPT_COOKIE] = rawurlencode($this->session_name) . '=;';
$this->drupalGet('session-test/id-from-cookie');
$this->assertRaw("session_id:\n", 'Session ID is blank as sent from cookie header.');
// Assert that we have an anonymous session now.
$this->drupalGet('session-test/is-logged-in');
$this->assertResponse(403, 'An empty session ID is not allowed.');
}
/**
* Test hashing of session ids in the database.
*/
function testHashedSessionIds() {
$user = $this->drupalCreateUser(array('access content'));
$this->drupalLogin($user);
$this->drupalGet('session-test/is-logged-in');
$this->assertResponse(200, 'User is logged in.');
$this->drupalGet('session-test/id');
$matches = array();
preg_match('/\s*session_id:(.*)\n/', $this->drupalGetContent(), $matches);
$this->assertTrue(!empty($matches[1]) , 'Found session ID after logging in.');
$session_id = $matches[1];
$this->drupalGet('session-test/id-from-cookie');
$matches = array();
preg_match('/\s*session_id:(.*)\n/', $this->drupalGetContent(), $matches);
$this->assertTrue(!empty($matches[1]) , 'Found session ID from cookie.');
$cookie_session_id = $matches[1];
$this->assertEqual($session_id, $cookie_session_id, 'Session id and cookie session id are the same.');
$sql = 'SELECT s.sid FROM {users} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE u.uid = :uid';
$db_session = db_query($sql, array(':uid' => $user->uid))->fetchObject();
$this->assertNotEqual($db_session->sid, $cookie_session_id, 'Session id in the database is not the same as in the session cookie.');
$this->assertEqual($db_session->sid, drupal_hash_base64($cookie_session_id), 'Session id in the database is the cookie session id hashed.');
}
/**
* Test opt-out of hashing of session ids in the database.
*/
function testHashedSessionIdsOptOut() {
variable_set('do_not_hash_session_ids', TRUE);
$user = $this->drupalCreateUser(array('access content'));
$this->drupalLogin($user);
$this->drupalGet('session-test/is-logged-in');
$this->assertResponse(200, 'User is logged in.');
$this->drupalGet('session-test/id');
$matches = array();
preg_match('/\s*session_id:(.*)\n/', $this->drupalGetContent(), $matches);
$this->assertTrue(!empty($matches[1]) , 'Found session ID after logging in.');
$session_id = $matches[1];
$this->drupalGet('session-test/id-from-cookie');
$matches = array();
preg_match('/\s*session_id:(.*)\n/', $this->drupalGetContent(), $matches);
$this->assertTrue(!empty($matches[1]) , 'Found session ID from cookie.');
$cookie_session_id = $matches[1];
$this->assertEqual($session_id, $cookie_session_id, 'Session id and cookie session id are the same.');
$sql = 'SELECT s.sid FROM {users} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE u.uid = :uid';
$db_session = db_query($sql, array(':uid' => $user->uid))->fetchObject();
$this->assertEqual($db_session->sid, $cookie_session_id, 'Session id in the database is the same as in the session cookie.');
$this->assertNotEqual($db_session->sid, drupal_hash_base64($cookie_session_id), 'Session id in the database is not the cookie session id hashed.');
}
/**
* Test absence of SameSite attribute on session cookies by default.
*/
function testNoSameSiteCookieAttributeDefault() {
$user = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user->uid);
if (\PHP_VERSION_ID < 70300) {
$this->drupalLogin($user);
}
else {
// PHP often defaults to an empty value for session.cookie_samesite but
// that may vary, so we set an explicit empty value.
// Send our own login POST so that we can pass a custom header to trigger
// session_test.module to call ini_set('session.cookie_samesite', $value)
$headers[] = 'X-Session-Cookie-Ini-Set: *EMPTY*';
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw,
);
$this->drupalPost('user', $edit, t('Log in'), array(), $headers);
}
$this->assertFalse(preg_match('/SameSite=/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie has no SameSite attribute (default).');
}
/**
* Test SameSite attribute = None by default on Secure session cookies.
*/
function testSameSiteCookieAttributeNoneSecure() {
$user = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user->uid);
$headers = array();
if (\PHP_VERSION_ID >= 70300) {
// Send our own login POST so that we can pass a custom header to trigger
// session_test.module to call ini_set('session.cookie_samesite', $value)
$headers[] = 'X-Session-Cookie-Ini-Set: None';
}
// Test HTTPS session handling by altering the form action to submit the
// login form through https.php, which creates a mock HTTPS request.
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$form[0]['action'] = $this->httpsUrl('user');
$edit = array('name' => $user->name, 'pass' => $user->pass_raw);
$this->drupalPost(NULL, $edit, t('Log in'), array(), $headers);
$this->assertTrue(preg_match('/SameSite=None/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie is set as SameSite=None.');
}
/**
* Test SameSite attribute = None on session cookies.
*/
function testSameSiteCookieAttributeNone() {
variable_set('samesite_cookie_value', 'None');
$user = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user->uid);
$this->drupalLogin($user);
$this->assertTrue(preg_match('/SameSite=None/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie is set as SameSite=None.');
}
/**
* Test SameSite attribute = Lax on session cookies.
*/
function testSameSiteCookieAttributeLax() {
variable_set('samesite_cookie_value', 'Lax');
$user = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user->uid);
$this->drupalLogin($user);
$this->assertTrue(preg_match('/SameSite=Lax/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie is set as SameSite=Lax.');
}
/**
* Test SameSite attribute = Strict on session cookies.
*/
function testSameSiteCookieAttributeStrict() {
variable_set('samesite_cookie_value', 'Strict');
$user = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user->uid);
$this->drupalLogin($user);
$this->assertTrue(preg_match('/SameSite=Strict/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie is set as SameSite=Strict.');
}
/**
* Test disabling the samesite attribute on session cookies via $conf
*/
function testSameSiteCookieAttributeDisabledViaConf() {
$user = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user->uid);
variable_set('samesite_cookie_value', FALSE);
if (\PHP_VERSION_ID < 70300) {
// There is no session.cookie_samesite in earlier PHP versions.
$this->drupalLogin($user);
}
else {
// Send our own login POST so that we can pass a custom header to trigger
// session_test.module to call ini_set('session.cookie_samesite', $value)
$headers[] = 'X-Session-Cookie-Ini-Set: Lax';
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw,
);
$this->drupalPost('user', $edit, t('Log in'), array(), $headers);
}
$this->assertFalse(preg_match('/SameSite=/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie has no SameSite attribute (conf).');
}
/**
* Test disabling the samesite attribute on session cookies via php ini
*/
function testSameSiteCookieAttributeDisabledViaPhpIni() {
if (\PHP_VERSION_ID < 70300) {
// There is no session.cookie_samesite in earlier PHP versions.
$this->pass('This test is only for PHP 7.3 and later.');
return;
}
$user = $this->drupalCreateUser(array('access content'));
// Send our own login POST so that we can pass a custom header to trigger
// session_test.module to call ini_set('session.cookie_samesite', $value)
$headers[] = 'X-Session-Cookie-Ini-Set: *EMPTY*';
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw,
);
$this->drupalPost('user', $edit, t('Log in'), array(), $headers);
$this->assertFalse(preg_match('/SameSite=/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie has no SameSite attribute (ini).');
}
/**
* Test that a PHP setting for session.cookie_samesite is not overridden by
* the default value in Drupal, without a samesite_cookie_value variable.
*/
function testSamesiteCookiePhpSettingLax() {
if (\PHP_VERSION_ID < 70300) {
// There is no session.cookie_samesite in earlier PHP versions.
$this->pass('This test is only for PHP 7.3 and later.');
return;
}
$user = $this->drupalCreateUser(array('access content'));
// Send our own login POST so that we can pass a custom header to trigger
// session_test.module to call ini_set('session.cookie_samesite', $value)
$headers[] = 'X-Session-Cookie-Ini-Set: Lax';
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw,
);
$this->drupalPost('user', $edit, t('Log in'), array(), $headers);
$this->assertTrue(preg_match('/SameSite=Lax/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie is set as SameSite=Lax.');
}
/**
* Test overriding the PHP setting for session.cookie_samesite with the
* samesite_cookie_value variable.
*/
function testSamesiteCookieOverrideLaxToStrict() {
if (\PHP_VERSION_ID < 70300) {
// There is no session.cookie_samesite in earlier PHP versions.
$this->pass('This test is only for PHP 7.3 and later.');
return;
}
variable_set('samesite_cookie_value', 'Strict');
$user = $this->drupalCreateUser(array('access content'));
// Send our own login POST so that we can pass a custom header to trigger
// session_test.module to call ini_set('session.cookie_samesite', $value)
$headers[] = 'X-Session-Cookie-Ini-Set: Lax';
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw,
);
$this->drupalPost('user', $edit, t('Log in'), array(), $headers);
$this->assertTrue(preg_match('/SameSite=Strict/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie is set as SameSite=Strict.');
}
/**
* Test SameSite attribute = Lax on set-cookie header on logout.
*/
function testSamesiteCookieLogoutLax() {
variable_set('samesite_cookie_value', 'Lax');
$user = $this->drupalCreateUser(array('access content'));
$this->sessionReset($user->uid);
$this->drupalLogin($user);
$this->drupalGet('user/logout');
$this->assertTrue(preg_match('/SameSite=Lax/i', $this->drupalGetHeader('Set-Cookie', TRUE)), 'Session cookie deletion includes SameSite=Lax.');
}
/**
* Reset the cookie file so that it refers to the specified user.
*
* @param $uid User id to set as the active session.
*/
function sessionReset($uid = 0) {
// Close the internal browser.
$this->curlClose();
$this->loggedInUser = FALSE;
// Change cookie file for user.
$this->cookieFile = file_stream_wrapper_get_instance_by_scheme('temporary')->getDirectoryPath() . '/cookie.' . $uid . '.txt';
$this->additionalCurlOptions[CURLOPT_COOKIEFILE] = $this->cookieFile;
$this->additionalCurlOptions[CURLOPT_COOKIESESSION] = TRUE;
$this->drupalGet('session-test/get');
$this->assertResponse(200, 'Session test module is correctly enabled.', 'Session');
}
/**
* Assert whether the SimpleTest browser sent a session cookie.
*/
function assertSessionCookie($sent) {
if ($sent) {
$this->assertNotNull($this->session_id, 'Session cookie was sent.');
}
else {
$this->assertNull($this->session_id, 'Session cookie was not sent.');
}
}
/**
* Assert whether $_SESSION is empty at the beginning of the request.
*/
function assertSessionEmpty($empty) {
if ($empty) {
$this->assertIdentical($this->drupalGetHeader('X-Session-Empty'), '1', 'Session was empty.');
}
else {
$this->assertIdentical($this->drupalGetHeader('X-Session-Empty'), '0', 'Session was not empty.');
}
}
/**
* Builds a URL for submitting a mock HTTPS request to HTTP test environments.
*
* @param $url
* A Drupal path such as 'user'.
*
* @return
* An absolute URL.
*/
protected function httpsUrl($url) {
global $base_url;
return $base_url . '/modules/simpletest/tests/https.php?q=' . $url;
}
}
/**
* Ensure that when running under HTTPS two session cookies are generated.
*/
class SessionHttpsTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Session HTTPS handling',
'description' => 'Ensure that when running under HTTPS two session cookies are generated.',
'group' => 'Session'
);
}
public function setUp() {
parent::setUp('session_test');
}
protected function testHttpsSession() {
global $is_https;
if ($is_https) {
$secure_session_name = session_name();
$insecure_session_name = substr(session_name(), 1);
}
else {
$secure_session_name = 'S' . session_name();
$insecure_session_name = session_name();
}
$user = $this->drupalCreateUser(array('access administration pages'));
// Test HTTPS session handling by altering the form action to submit the
// login form through https.php, which creates a mock HTTPS request.
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$form[0]['action'] = $this->httpsUrl('user');
$edit = array('name' => $user->name, 'pass' => $user->pass_raw);
$this->drupalPost(NULL, $edit, t('Log in'));
// Test a second concurrent session.
$this->curlClose();
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$form[0]['action'] = $this->httpsUrl('user');
$this->drupalPost(NULL, $edit, t('Log in'));
// Check secure cookie on secure page.
$this->assertTrue($this->cookies[$secure_session_name]['secure'], 'The secure cookie has the secure attribute');
// Check insecure cookie is not set.
$this->assertFalse(isset($this->cookies[$insecure_session_name]));
$ssid = $this->cookies[$secure_session_name]['value'];
$this->assertSessionIds($ssid, $ssid, 'Session has a non-empty SID and a correct secure SID.');
$cookie = $secure_session_name . '=' . $ssid;
// Verify that user is logged in on secure URL.
$this->curlClose();
$this->drupalGet($this->httpsUrl('admin/config'), array(), array('Cookie: ' . $cookie));
$this->assertText(t('Configuration'));
$this->assertResponse(200);
// Verify that user is not logged in on non-secure URL.
$this->curlClose();
$this->drupalGet($this->httpUrl('admin/config'), array(), array('Cookie: ' . $cookie));
$this->assertNoText(t('Configuration'));
$this->assertResponse(403);
// Verify that empty SID cannot be used on the non-secure site.
$this->curlClose();
$cookie = $insecure_session_name . '=';
$this->drupalGet($this->httpUrl('admin/config'), array(), array('Cookie: ' . $cookie));
$this->assertResponse(403);
// Test HTTP session handling by altering the form action to submit the
// login form through http.php, which creates a mock HTTP request on HTTPS
// test environments.
$this->curlClose();
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$form[0]['action'] = $this->httpUrl('user');
$edit = array('name' => $user->name, 'pass' => $user->pass_raw);
$this->drupalPost(NULL, $edit, t('Log in'));
$this->drupalGet($this->httpUrl('admin/config'));
$this->assertResponse(200);
$sid = $this->cookies[$insecure_session_name]['value'];
$this->assertSessionIds($sid, '', 'Session has the correct SID and an empty secure SID.');
// Verify that empty secure SID cannot be used on the secure site.
$this->curlClose();
$cookie = $secure_session_name . '=';
$this->drupalGet($this->httpsUrl('admin/config'), array(), array('Cookie: ' . $cookie));
$this->assertResponse(403);
// Clear browser cookie jar.
$this->cookies = array();
if ($is_https) {
// The functionality does not make sense when running on HTTPS.
return;
}
// Enable secure pages.
variable_set('https', TRUE);
$this->curlClose();
// Start an anonymous session on the insecure site.
$session_data = $this->randomName();
$this->drupalGet('session-test/set/' . $session_data);
// Check secure cookie on insecure page.
$this->assertFalse(isset($this->cookies[$secure_session_name]), 'The secure cookie is not sent on insecure pages.');
// Check insecure cookie on insecure page.
$this->assertFalse($this->cookies[$insecure_session_name]['secure'], 'The insecure cookie does not have the secure attribute');
// Store the anonymous cookie so we can validate that its session is killed
// after login.
$anonymous_cookie = $insecure_session_name . '=' . $this->cookies[$insecure_session_name]['value'];
// Check that password request form action is not secure.
$this->drupalGet('user/password');
$form = $this->xpath('//form[@id="user-pass"]');
$this->assertNotEqual(substr($form[0]['action'], 0, 6), 'https:', 'Password request form action is not secure');
$form[0]['action'] = $this->httpsUrl('user');
// Check that user login form action is secure.
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$this->assertEqual(substr($form[0]['action'], 0, 6), 'https:', 'Login form action is secure');
$form[0]['action'] = $this->httpsUrl('user');
$edit = array(
'name' => $user->name,
'pass' => $user->pass_raw,
);
$this->drupalPost(NULL, $edit, t('Log in'));
// Check secure cookie on secure page.
$this->assertTrue($this->cookies[$secure_session_name]['secure'], 'The secure cookie has the secure attribute');
// Check insecure cookie on secure page.
$this->assertFalse($this->cookies[$insecure_session_name]['secure'], 'The insecure cookie does not have the secure attribute');
$sid = $this->cookies[$insecure_session_name]['value'];
$ssid = $this->cookies[$secure_session_name]['value'];
$this->assertSessionIds($sid, $ssid, 'Session has both secure and insecure SIDs');
$cookies = array(
$insecure_session_name . '=' . $sid,
$secure_session_name . '=' . $ssid,
);
// Test that session data saved before login is still available on the
// authenticated session.
$this->drupalGet('session-test/get');
$this->assertText($session_data, 'Session correctly returned the stored data set by the anonymous session.');
foreach ($cookies as $cookie_key => $cookie) {
foreach (array('admin/config', $this->httpsUrl('admin/config')) as $url_key => $url) {
$this->curlClose();
$this->drupalGet($url, array(), array('Cookie: ' . $cookie));
if ($cookie_key == $url_key) {
$this->assertText(t('Configuration'));
$this->assertResponse(200);
}
else {
$this->assertNoText(t('Configuration'));
$this->assertResponse(403);
}
}
}
// Test that session data saved before login is not available using the
// pre-login anonymous cookie.
$this->cookies = array();
$this->drupalGet('session-test/get', array('Cookie: ' . $anonymous_cookie));
$this->assertNoText($session_data, 'Initial anonymous session is inactive after login.');
// Clear browser cookie jar.
$this->cookies = array();
// Start an anonymous session on the secure site.
$this->drupalGet($this->httpsUrl('session-test/set/1'));
// Mock a login to the secure site using the secure session cookie.
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$form[0]['action'] = $this->httpsUrl('user');
$this->drupalPost(NULL, $edit, t('Log in'));
// Test that the user is also authenticated on the insecure site.
$this->drupalGet("user/{$user->uid}/edit");
$this->assertResponse(200);
}
/**
* Tests that empty session IDs do not cause unrelated sessions to load.
*/
public function testEmptySessionId() {
global $is_https;
if ($is_https) {
$secure_session_name = session_name();
}
else {
$secure_session_name = 'S' . session_name();
}
// Enable mixed mode for HTTP and HTTPS.
variable_set('https', TRUE);
$admin_user = $this->drupalCreateUser(array('access administration pages'));
$standard_user = $this->drupalCreateUser(array('access content'));
// First log in as the admin user on HTTP.
// We cannot use $this->drupalLogin() here because we need to use the
// special http.php URLs.
$edit = array(
'name' => $admin_user->name,
'pass' => $admin_user->pass_raw
);
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$form[0]['action'] = $this->httpUrl('user');
$this->drupalPost(NULL, $edit, t('Log in'));
$this->curlClose();
// Now start a session for the standard user on HTTPS.
$edit = array(
'name' => $standard_user->name,
'pass' => $standard_user->pass_raw
);
$this->drupalGet('user');
$form = $this->xpath('//form[@id="user-login"]');
$form[0]['action'] = $this->httpsUrl('user');
$this->drupalPost(NULL, $edit, t('Log in'));
// Make the secure session cookie blank.
curl_setopt($this->curlHandle, CURLOPT_COOKIE, "$secure_session_name=");
$this->drupalGet($this->httpsUrl('user'));
$this->assertNoText($admin_user->name, 'User is not logged in as admin');
$this->assertNoText($standard_user->name, "The user's own name is not displayed because the invalid session cookie has logged them out.");
}
/**
* Test that there exists a session with two specific session IDs.
*
* @param $sid
* The insecure session ID to search for.
* @param $ssid
* The secure session ID to search for.
* @param $assertion_text
* The text to display when we perform the assertion.
*
* @return
* The result of assertTrue() that there's a session in the system that
* has the given insecure and secure session IDs.
*/
protected function assertSessionIds($sid, $ssid, $assertion_text) {
$args = array(
':sid' => drupal_session_id($sid),
':ssid' => !empty($ssid) ? drupal_session_id($ssid) : '',
);
return $this->assertTrue(db_query('SELECT timestamp FROM {sessions} WHERE sid = :sid AND ssid = :ssid', $args)->fetchField(), $assertion_text);
}
/**
* Builds a URL for submitting a mock HTTPS request to HTTP test environments.
*
* @param $url
* A Drupal path such as 'user'.
*
* @return
* An absolute URL.
*/
protected function httpsUrl($url) {
global $base_url;
return $base_url . '/modules/simpletest/tests/https.php?q=' . $url;
}
/**
* Builds a URL for submitting a mock HTTP request to HTTPS test environments.
*
* @param $url
* A Drupal path such as 'user'.
*
* @return
* An absolute URL.
*/
protected function httpUrl($url) {
global $base_url;
return $base_url . '/modules/simpletest/tests/http.php?q=' . $url;
}
}
/**
* Unit tests for session handling.
*/
class SessionUnitTestCase extends DrupalUnitTestCase {
/**
* {@inheritdoc}
*/
public static function getInfo() {
return array(
'name' => 'Session unit tests',
'description' => 'Test session handling functionality.',
'group' => 'Session',
);
}
function testCookieDomain() {
$tests = array(
array('example.com', '.example.com'),
array('www.example.com', '.www.example.com'),
array('subdomain.example.com', '.subdomain.example.com'),
);
foreach ($tests as $test) {
$this->assertEqual(_drupal_get_cookie_domain($test[0]), $test[1], 'Correct $cookie_domain for host ' . $test[0]);
}
}
/**
* Unit test drupal_settings_initialize().
*/
function testSessionInitialization() {
global $base_url, $cookie_domain;
$tests = array(
array(
'http_host' => 'example.com',
'script_name' => '/index.php',
'session_name' => 'SESSa379a6f6eeafb9a55e378c118034e275',
'base_url' => 'http://example.com',
'cookie_domain' => '.example.com',
),
array(
'http_host' => 'example.com',
'script_name' => '/foo/index.php',
'session_name' => 'SESS76f699faa11e8fbe9a70d933651df90f',
'base_url' => 'http://example.com/foo',
'cookie_domain' => '.example.com',
),
array(
'http_host' => 'one.two.example.com',
'script_name' => '/index.php',
'session_name' => 'SESSc0cc73483118b575693f5c255faeb739',
'base_url' => 'http://one.two.example.com',
'cookie_domain' => '.one.two.example.com',
),
array(
'http_host' => 'www.sub.example.com',
'script_name' => '/index.php',
'session_name' => 'SESSdc70980beaa5d571d3c9785cf9246c96',
'base_url' => 'http://www.sub.example.com',
'cookie_domain' => '.www.sub.example.com',
),
array(
'http_host' => 'example.com',
'script_name' => '/foo/bar/index.php',
'session_name' => 'SESSdbf7edcf4f2656b247021ceb4752f7f9',
'base_url' => 'http://example.com/foo/bar',
'cookie_domain' => '.example.com',
),
array(
'http_host' => 'www.sub.example.com',
'script_name' => '/baz/index.php',
'session_name' => 'SESS63543f965940db9e8a79801aa6d52423',
'base_url' => 'http://www.sub.example.com/baz',
'cookie_domain' => '.www.sub.example.com',
),
array(
'http_host' => 'sub.example.com',
'script_name' => '/index.php',
'session_name' => 'SESS005c4a974d8b94af421206f9ef34efeb',
'base_url' => 'http://sub.example.com',
'cookie_domain' => '.sub.example.com',
),
array(
'http_host' => 'www.example.com',
'script_name' => '/index.php',
'session_name' => 'SESS0e9f0e2600e4d8f26827597c5e324261',
'base_url' => 'http://www.example.com',
'cookie_domain' => '.www.example.com',
),
array(
'http_host' => 'www.example.com',
'script_name' => '/foo/index.php',
'session_name' => 'SESS0ddd0afc0bece848c840cdcd7b8ed9c9',
'base_url' => 'http://www.example.com/foo',
'cookie_domain' => '.www.example.com',
),
array(
'http_host' => 'www.example.com',
'script_name' => '/bar/index.php',
'session_name' => 'SESS22f2cd08599536cb4363fcd09e29d264',
'base_url' => 'http://www.example.com/bar',
'cookie_domain' => '.www.example.com',
),
);
foreach ($tests as $test) {
$_SERVER['HTTP_HOST'] = $test['http_host'];
$_SERVER['SCRIPT_NAME'] = $test['script_name'];
$cookie_domain = NULL;
$base_url = NULL;
drupal_settings_initialize();
$this->assertEqual(session_name(), $test['session_name'], 'Correct session_name for ' . $test['http_host'] . $test['script_name']);
$this->assertEqual($base_url, $test['base_url'], 'Correct base_url for ' . $test['http_host'] . $test['script_name']);
$this->assertEqual($cookie_domain, $test['cookie_domain'], 'Correct cookie_domain for ' . $test['http_host'] . $test['script_name']);
}
}
}