filter.test
Tests for filter.module.
File
-
modules/
filter/ filter.test
View source
<?php
/**
* @file
* Tests for filter.module.
*/
/**
* Tests for text format and filter CRUD operations.
*/
class FilterCRUDTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Filter CRUD operations',
'description' => 'Test creation, loading, updating, deleting of text formats and filters.',
'group' => 'Filter',
);
}
function setUp() {
parent::setUp('filter_test');
}
/**
* Tests CRUD operations for text formats and filters.
*/
function testTextFormatCRUD() {
// Add a text format with minimum data only.
$format = new stdClass();
$format->format = 'empty_format';
$format->name = 'Empty format';
filter_format_save($format);
$this->verifyTextFormat($format);
$this->verifyFilters($format);
// Add another text format specifying all possible properties.
$format = new stdClass();
$format->format = 'custom_format';
$format->name = 'Custom format';
$format->filters = array(
'filter_url' => array(
'status' => 1,
'settings' => array(
'filter_url_length' => 30,
),
),
);
filter_format_save($format);
$this->verifyTextFormat($format);
$this->verifyFilters($format);
// Alter some text format properties and save again.
$format->name = 'Altered format';
$format->filters['filter_url']['status'] = 0;
$format->filters['filter_autop']['status'] = 1;
filter_format_save($format);
$this->verifyTextFormat($format);
$this->verifyFilters($format);
// Add a uncacheable filter and save again.
$format->filters['filter_test_uncacheable']['status'] = 1;
filter_format_save($format);
$this->verifyTextFormat($format);
$this->verifyFilters($format);
// Disable the text format.
filter_format_disable($format);
$db_format = db_query("SELECT * FROM {filter_format} WHERE format = :format", array(
':format' => $format->format,
))
->fetchObject();
$this->assertFalse($db_format->status, 'Database: Disabled text format is marked as disabled.');
$formats = filter_formats();
$this->assertTrue(!isset($formats[$format->format]), 'filter_formats: Disabled text format no longer exists.');
// Add a new format to check for Xss in format name.
$format = new stdClass();
$format->format = 'xss_format';
$format->name = '<script>alert(123)</script>';
filter_format_save($format);
user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
filter_permission_name($format) => 1,
));
$this->drupalGet('filter/tips');
$this->assertNoRaw($format->name, 'Text format name contains no xss.');
}
/**
* Verifies that a text format is properly stored.
*/
function verifyTextFormat($format) {
$t_args = array(
'%format' => $format->name,
);
// Verify text format database record.
$db_format = db_select('filter_format', 'ff')->fields('ff')
->condition('format', $format->format)
->execute()
->fetchObject();
$this->assertEqual($db_format->format, $format->format, format_string('Database: Proper format id for text format %format.', $t_args));
$this->assertEqual($db_format->name, $format->name, format_string('Database: Proper title for text format %format.', $t_args));
$this->assertEqual($db_format->cache, $format->cache, format_string('Database: Proper cache indicator for text format %format.', $t_args));
$this->assertEqual($db_format->weight, $format->weight, format_string('Database: Proper weight for text format %format.', $t_args));
// Verify filter_format_load().
$filter_format = filter_format_load($format->format);
$this->assertEqual($filter_format->format, $format->format, format_string('filter_format_load: Proper format id for text format %format.', $t_args));
$this->assertEqual($filter_format->name, $format->name, format_string('filter_format_load: Proper title for text format %format.', $t_args));
$this->assertEqual($filter_format->cache, $format->cache, format_string('filter_format_load: Proper cache indicator for text format %format.', $t_args));
$this->assertEqual($filter_format->weight, $format->weight, format_string('filter_format_load: Proper weight for text format %format.', $t_args));
// Verify the 'cache' text format property according to enabled filters.
$filter_info = filter_get_filters();
$filters = filter_list_format($filter_format->format);
$cacheable = TRUE;
foreach ($filters as $name => $filter) {
// If this filter is not cacheable, update $cacheable accordingly, so we
// can verify $format->cache after iterating over all filters.
if ($filter->status && isset($filter_info[$name]['cache']) && !$filter_info[$name]['cache']) {
$cacheable = FALSE;
break;
}
}
$this->assertEqual($filter_format->cache, $cacheable, 'Text format contains proper cache property.');
}
/**
* Verifies that filters are properly stored for a text format.
*/
function verifyFilters($format) {
// Verify filter database records.
$filters = db_query("SELECT * FROM {filter} WHERE format = :format", array(
':format' => $format->format,
))
->fetchAllAssoc('name');
$format_filters = $format->filters;
foreach ($filters as $name => $filter) {
$t_args = array(
'%format' => $format->name,
'%filter' => $name,
);
// Verify that filter status is properly stored.
$this->assertEqual($filter->status, $format_filters[$name]['status'], format_string('Database: Proper status for %filter in text format %format.', $t_args));
// Verify that filter settings were properly stored.
$this->assertEqual(unserialize($filter->settings), isset($format_filters[$name]['settings']) ? $format_filters[$name]['settings'] : array(), format_string('Database: Proper filter settings for %filter in text format %format.', $t_args));
// Verify that each filter has a module name assigned.
$this->assertTrue(!empty($filter->module), format_string('Database: Proper module name for %filter in text format %format.', $t_args));
// Remove the filter from the copy of saved $format to check whether all
// filters have been processed later.
unset($format_filters[$name]);
}
// Verify that all filters have been processed.
$this->assertTrue(empty($format_filters), 'Database contains values for all filters in the saved format.');
// Verify filter_list_format().
$filters = filter_list_format($format->format);
$format_filters = $format->filters;
foreach ($filters as $name => $filter) {
$t_args = array(
'%format' => $format->name,
'%filter' => $name,
);
// Verify that filter status is properly stored.
$this->assertEqual($filter->status, $format_filters[$name]['status'], format_string('filter_list_format: Proper status for %filter in text format %format.', $t_args));
// Verify that filter settings were properly stored.
$this->assertEqual($filter->settings, isset($format_filters[$name]['settings']) ? $format_filters[$name]['settings'] : array(), format_string('filter_list_format: Proper filter settings for %filter in text format %format.', $t_args));
// Verify that each filter has a module name assigned.
$this->assertTrue(!empty($filter->module), format_string('filter_list_format: Proper module name for %filter in text format %format.', $t_args));
// Remove the filter from the copy of saved $format to check whether all
// filters have been processed later.
unset($format_filters[$name]);
}
// Verify that all filters have been processed.
$this->assertTrue(empty($format_filters), 'filter_list_format: Loaded filters contain values for all filters in the saved format.');
}
}
/**
* Tests the administrative functionality of the Filter module.
*/
class FilterAdminTestCase extends DrupalWebTestCase {
protected $admin_user;
protected $web_user;
public static function getInfo() {
return array(
'name' => 'Filter administration functionality',
'description' => 'Thoroughly test the administrative interface of the filter module.',
'group' => 'Filter',
);
}
function setUp() {
parent::setUp();
// Create users.
$filtered_html_format = filter_format_load('filtered_html');
$full_html_format = filter_format_load('full_html');
$this->admin_user = $this->drupalCreateUser(array(
'administer filters',
filter_permission_name($filtered_html_format),
filter_permission_name($full_html_format),
));
$this->web_user = $this->drupalCreateUser(array(
'create page content',
'edit own page content',
));
$this->drupalLogin($this->admin_user);
}
/**
* Tests the format administration functionality.
*/
function testFormatAdmin() {
// Add text format.
$this->drupalGet('admin/config/content/formats');
$this->clickLink('Add text format');
$format_id = drupal_strtolower($this->randomName());
$name = $this->randomName();
$edit = array(
'format' => $format_id,
'name' => $name,
);
$this->drupalPost(NULL, $edit, t('Save configuration'));
// Verify default weight of the text format.
$this->drupalGet('admin/config/content/formats');
$this->assertFieldByName("formats[{$format_id}][weight]", 0, 'Text format weight was saved.');
// Change the weight of the text format.
$edit = array(
"formats[{$format_id}][weight]" => 5,
);
$this->drupalPost('admin/config/content/formats', $edit, t('Save changes'));
$this->assertFieldByName("formats[{$format_id}][weight]", 5, 'Text format weight was saved.');
// Edit text format.
$this->drupalGet('admin/config/content/formats');
$this->assertLinkByHref('admin/config/content/formats/' . $format_id);
$this->drupalGet('admin/config/content/formats/' . $format_id);
$this->drupalPost(NULL, array(), t('Save configuration'));
// Verify that the custom weight of the text format has been retained.
$this->drupalGet('admin/config/content/formats');
$this->assertFieldByName("formats[{$format_id}][weight]", 5, 'Text format weight was retained.');
// Disable text format.
$this->assertLinkByHref('admin/config/content/formats/' . $format_id . '/disable');
$this->drupalGet('admin/config/content/formats/' . $format_id . '/disable');
$this->drupalPost(NULL, array(), t('Disable'));
// Verify that disabled text format no longer exists.
$this->drupalGet('admin/config/content/formats/' . $format_id);
$this->assertResponse(404, 'Disabled text format no longer exists.');
// Attempt to create a format of the same machine name as the disabled
// format but with a different human readable name.
$edit = array(
'format' => $format_id,
'name' => 'New format',
);
$this->drupalPost('admin/config/content/formats/add', $edit, t('Save configuration'));
$this->assertText('The machine-readable name is already in use. It must be unique.');
// Attempt to create a format of the same human readable name as the
// disabled format but with a different machine name.
$edit = array(
'format' => 'new_format',
'name' => $name,
);
$this->drupalPost('admin/config/content/formats/add', $edit, t('Save configuration'));
$this->assertRaw(t('Text format names must be unique. A format named %name already exists.', array(
'%name' => $name,
)));
}
/**
* Tests filter administration functionality.
*/
function testFilterAdmin() {
// URL filter.
$first_filter = 'filter_url';
// Line filter.
$second_filter = 'filter_autop';
$filtered = 'filtered_html';
$full = 'full_html';
$plain = 'plain_text';
// Check that the fallback format exists and cannot be disabled.
$this->assertTrue($plain == filter_fallback_format(), 'The fallback format is set to plain text.');
$this->drupalGet('admin/config/content/formats');
$this->assertNoRaw('admin/config/content/formats/' . $plain . '/disable', 'Disable link for the fallback format not found.');
$this->drupalGet('admin/config/content/formats/' . $plain . '/disable');
$this->assertResponse(403, 'The fallback format cannot be disabled.');
// Verify access permissions to Full HTML format.
$this->assertTrue(filter_access(filter_format_load($full), $this->admin_user), 'Admin user may use Full HTML.');
$this->assertFalse(filter_access(filter_format_load($full), $this->web_user), 'Web user may not use Full HTML.');
// Add an additional tag.
$edit = array();
$edit['filters[filter_html][settings][allowed_html]'] = '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd> <quote>';
$this->drupalPost('admin/config/content/formats/' . $filtered, $edit, t('Save configuration'));
$this->assertFieldByName('filters[filter_html][settings][allowed_html]', $edit['filters[filter_html][settings][allowed_html]'], 'Allowed HTML tag added.');
$result = db_query('SELECT * FROM {cache_filter}')->fetchObject();
$this->assertFalse($result, 'Cache cleared.');
$elements = $this->xpath('//select[@name=:first]/following::select[@name=:second]', array(
':first' => 'filters[' . $first_filter . '][weight]',
':second' => 'filters[' . $second_filter . '][weight]',
));
$this->assertTrue(!empty($elements), 'Order confirmed in admin interface.');
// Reorder filters.
$edit = array();
$edit['filters[' . $second_filter . '][weight]'] = 1;
$edit['filters[' . $first_filter . '][weight]'] = 2;
$this->drupalPost(NULL, $edit, t('Save configuration'));
$this->assertFieldByName('filters[' . $second_filter . '][weight]', 1, 'Order saved successfully.');
$this->assertFieldByName('filters[' . $first_filter . '][weight]', 2, 'Order saved successfully.');
$elements = $this->xpath('//select[@name=:first]/following::select[@name=:second]', array(
':first' => 'filters[' . $second_filter . '][weight]',
':second' => 'filters[' . $first_filter . '][weight]',
));
$this->assertTrue(!empty($elements), 'Reorder confirmed in admin interface.');
$result = db_query('SELECT * FROM {filter} WHERE format = :format ORDER BY weight ASC', array(
':format' => $filtered,
));
$filters = array();
foreach ($result as $filter) {
if ($filter->name == $second_filter || $filter->name == $first_filter) {
$filters[] = $filter;
}
}
$this->assertTrue($filters[0]->name == $second_filter && $filters[1]->name == $first_filter, 'Order confirmed in database.');
// Add format.
$edit = array();
$edit['format'] = drupal_strtolower($this->randomName());
$edit['name'] = $this->randomName();
$edit['roles[' . DRUPAL_AUTHENTICATED_RID . ']'] = 1;
$edit['filters[' . $second_filter . '][status]'] = TRUE;
$edit['filters[' . $first_filter . '][status]'] = TRUE;
$this->drupalPost('admin/config/content/formats/add', $edit, t('Save configuration'));
$this->assertRaw(t('Added text format %format.', array(
'%format' => $edit['name'],
)), 'New filter created.');
drupal_static_reset('filter_formats');
$format = filter_format_load($edit['format']);
$this->assertNotNull($format, 'Format found in database.');
$this->assertFieldByName('roles[' . DRUPAL_AUTHENTICATED_RID . ']', '', 'Role found.');
$this->assertFieldByName('filters[' . $second_filter . '][status]', '', 'Line break filter found.');
$this->assertFieldByName('filters[' . $first_filter . '][status]', '', 'Url filter found.');
// Disable new filter.
$this->drupalPost('admin/config/content/formats/' . $format->format . '/disable', array(), t('Disable'));
$this->assertRaw(t('Disabled text format %format.', array(
'%format' => $edit['name'],
)), 'Format successfully disabled.');
// Allow authenticated users on full HTML.
$format = filter_format_load($full);
$edit = array();
$edit['roles[' . DRUPAL_ANONYMOUS_RID . ']'] = 0;
$edit['roles[' . DRUPAL_AUTHENTICATED_RID . ']'] = 1;
$this->drupalPost('admin/config/content/formats/' . $full, $edit, t('Save configuration'));
$this->assertRaw(t('The text format %format has been updated.', array(
'%format' => $format->name,
)), 'Full HTML format successfully updated.');
// Switch user.
$this->drupalLogout();
$this->drupalLogin($this->web_user);
$this->drupalGet('node/add/page');
$this->assertRaw('<option value="' . $full . '">Full HTML</option>', 'Full HTML filter accessible.');
// Use filtered HTML and see if it removes tags that are not allowed.
$body = '<em>' . $this->randomName() . '</em>';
$extra_text = 'text';
$text = $body . '<random>' . $extra_text . '</random>';
$edit = array();
$langcode = LANGUAGE_NONE;
$edit["title"] = $this->randomName();
$edit["body[{$langcode}][0][value]"] = $text;
$edit["body[{$langcode}][0][format]"] = $filtered;
$this->drupalPost('node/add/page', $edit, t('Save'));
$this->assertRaw(t('Basic page %title has been created.', array(
'%title' => $edit["title"],
)), 'Filtered node created.');
$node = $this->drupalGetNodeByTitle($edit["title"]);
$this->assertTrue($node, 'Node found in database.');
$this->drupalGet('node/' . $node->nid);
$this->assertRaw($body . $extra_text, 'Filter removed invalid tag.');
// Use plain text and see if it escapes all tags, whether allowed or not.
$edit = array();
$edit["body[{$langcode}][0][format]"] = $plain;
$this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
$this->drupalGet('node/' . $node->nid);
$this->assertText(check_plain($text), 'The "Plain text" text format escapes all HTML tags.');
// Switch user.
$this->drupalLogout();
$this->drupalLogin($this->admin_user);
// Clean up.
// Allowed tags.
$edit = array();
$edit['filters[filter_html][settings][allowed_html]'] = '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>';
$this->drupalPost('admin/config/content/formats/' . $filtered, $edit, t('Save configuration'));
$this->assertFieldByName('filters[filter_html][settings][allowed_html]', $edit['filters[filter_html][settings][allowed_html]'], 'Changes reverted.');
// Full HTML.
$edit = array();
$edit['roles[' . DRUPAL_AUTHENTICATED_RID . ']'] = FALSE;
$this->drupalPost('admin/config/content/formats/' . $full, $edit, t('Save configuration'));
$this->assertRaw(t('The text format %format has been updated.', array(
'%format' => $format->name,
)), 'Full HTML format successfully reverted.');
$this->assertFieldByName('roles[' . DRUPAL_AUTHENTICATED_RID . ']', $edit['roles[' . DRUPAL_AUTHENTICATED_RID . ']'], 'Changes reverted.');
// Filter order.
$edit = array();
$edit['filters[' . $second_filter . '][weight]'] = 2;
$edit['filters[' . $first_filter . '][weight]'] = 1;
$this->drupalPost('admin/config/content/formats/' . $filtered, $edit, t('Save configuration'));
$this->assertFieldByName('filters[' . $second_filter . '][weight]', $edit['filters[' . $second_filter . '][weight]'], 'Changes reverted.');
$this->assertFieldByName('filters[' . $first_filter . '][weight]', $edit['filters[' . $first_filter . '][weight]'], 'Changes reverted.');
}
/**
* Tests the URL filter settings form is properly validated.
*/
function testUrlFilterAdmin() {
// The form does not save with an invalid filter URL length.
$edit = array(
'filters[filter_url][settings][filter_url_length]' => $this->randomName(4),
);
$this->drupalPost('admin/config/content/formats/filtered_html', $edit, t('Save configuration'));
$this->assertNoRaw(t('The text format %format has been updated.', array(
'%format' => 'Filtered HTML',
)));
}
}
/**
* Tests the filter format access functionality in the Filter module.
*/
class FilterFormatAccessTestCase extends DrupalWebTestCase {
/**
* A user with administrative permissions.
*
* @var object
*/
protected $admin_user;
/**
* A user with 'administer filters' permission.
*
* @var object
*/
protected $filter_admin_user;
/**
* A user with permission to create and edit own content.
*
* @var object
*/
protected $web_user;
/**
* An object representing an allowed text format.
*
* @var object
*/
protected $allowed_format;
/**
* An object representing a disallowed text format.
*
* @var object
*/
protected $disallowed_format;
public static function getInfo() {
return array(
'name' => 'Filter format access',
'description' => 'Tests access to text formats.',
'group' => 'Filter',
);
}
function setUp() {
parent::setUp();
// Create a user who can administer text formats, but does not have
// specific permission to use any of them.
$this->filter_admin_user = $this->drupalCreateUser(array(
'administer filters',
'create page content',
'edit any page content',
));
// Create two text formats.
$this->drupalLogin($this->filter_admin_user);
$formats = array();
for ($i = 0; $i < 2; $i++) {
$edit = array(
'format' => drupal_strtolower($this->randomName()),
'name' => $this->randomName(),
);
$this->drupalPost('admin/config/content/formats/add', $edit, t('Save configuration'));
$this->resetFilterCaches();
$formats[] = filter_format_load($edit['format']);
}
list($this->allowed_format, $this->disallowed_format) = $formats;
$this->drupalLogout();
// Create a regular user with access to one of the formats.
$this->web_user = $this->drupalCreateUser(array(
'create page content',
'edit any page content',
filter_permission_name($this->allowed_format),
));
// Create an administrative user who has access to use both formats.
$this->admin_user = $this->drupalCreateUser(array(
'administer filters',
'create page content',
'edit any page content',
filter_permission_name($this->allowed_format),
filter_permission_name($this->disallowed_format),
));
}
/**
* Tests the Filter format access permissions functionality.
*/
function testFormatPermissions() {
// Make sure that a regular user only has access to the text format they
// were granted access to, as well to the fallback format.
$this->assertTrue(filter_access($this->allowed_format, $this->web_user), 'A regular user has access to a text format they were granted access to.');
$this->assertFalse(filter_access($this->disallowed_format, $this->web_user), 'A regular user does not have access to a text format they were not granted access to.');
$this->assertTrue(filter_access(filter_format_load(filter_fallback_format()), $this->web_user), 'A regular user has access to the fallback format.');
// Perform similar checks as above, but now against the entire list of
// available formats for this user.
$this->assertTrue(in_array($this->allowed_format->format, array_keys(filter_formats($this->web_user))), 'The allowed format appears in the list of available formats for a regular user.');
$this->assertFalse(in_array($this->disallowed_format->format, array_keys(filter_formats($this->web_user))), 'The disallowed format does not appear in the list of available formats for a regular user.');
$this->assertTrue(in_array(filter_fallback_format(), array_keys(filter_formats($this->web_user))), 'The fallback format appears in the list of available formats for a regular user.');
// Make sure that a regular user only has permission to use the format
// they were granted access to.
$this->assertTrue(user_access(filter_permission_name($this->allowed_format), $this->web_user), 'A regular user has permission to use the allowed text format.');
$this->assertFalse(user_access(filter_permission_name($this->disallowed_format), $this->web_user), 'A regular user does not have permission to use the disallowed text format.');
// Make sure that the allowed format appears on the node form and that
// the disallowed format does not.
$this->drupalLogin($this->web_user);
$this->drupalGet('node/add/page');
$langcode = LANGUAGE_NONE;
$elements = $this->xpath('//select[@name=:name]/option', array(
':name' => "body[{$langcode}][0][format]",
':option' => $this->allowed_format->format,
));
$options = array();
foreach ($elements as $element) {
$options[(string) $element['value']] = $element;
}
$this->assertTrue(isset($options[$this->allowed_format->format]), 'The allowed text format appears as an option when adding a new node.');
$this->assertFalse(isset($options[$this->disallowed_format->format]), 'The disallowed text format does not appear as an option when adding a new node.');
$this->assertTrue(isset($options[filter_fallback_format()]), 'The fallback format appears as an option when adding a new node.');
// Check regular user access to the filter tips pages.
$this->drupalGet('filter/tips/' . $this->allowed_format->format);
$this->assertResponse(200);
$this->drupalGet('filter/tips/' . $this->disallowed_format->format);
$this->assertResponse(403);
$this->drupalGet('filter/tips/' . filter_fallback_format());
$this->assertResponse(200);
$this->drupalGet('filter/tips/invalid-format');
$this->assertResponse(404);
// Check admin user access to the filter tips pages.
$this->drupalLogin($this->admin_user);
$this->drupalGet('filter/tips/' . $this->allowed_format->format);
$this->assertResponse(200);
$this->drupalGet('filter/tips/' . $this->disallowed_format->format);
$this->assertResponse(200);
$this->drupalGet('filter/tips/' . filter_fallback_format());
$this->assertResponse(200);
$this->drupalGet('filter/tips/invalid-format');
$this->assertResponse(404);
}
/**
* Tests if text format is available to a role.
*/
function testFormatRoles() {
// Get the role ID assigned to the regular user; it must be the maximum.
$rid = max(array_keys($this->web_user->roles));
// Check that this role appears in the list of roles that have access to an
// allowed text format, but does not appear in the list of roles that have
// access to a disallowed text format.
$this->assertTrue(in_array($rid, array_keys(filter_get_roles_by_format($this->allowed_format))), 'A role which has access to a text format appears in the list of roles that have access to that format.');
$this->assertFalse(in_array($rid, array_keys(filter_get_roles_by_format($this->disallowed_format))), 'A role which does not have access to a text format does not appear in the list of roles that have access to that format.');
// Check that the correct text format appears in the list of formats
// available to that role.
$this->assertTrue(in_array($this->allowed_format->format, array_keys(filter_get_formats_by_role($rid))), 'A text format which a role has access to appears in the list of formats available to that role.');
$this->assertFalse(in_array($this->disallowed_format->format, array_keys(filter_get_formats_by_role($rid))), 'A text format which a role does not have access to does not appear in the list of formats available to that role.');
// Check that the fallback format is always allowed.
$this->assertEqual(filter_get_roles_by_format(filter_format_load(filter_fallback_format())), user_roles(), 'All roles have access to the fallback format.');
$this->assertTrue(in_array(filter_fallback_format(), array_keys(filter_get_formats_by_role($rid))), 'The fallback format appears in the list of allowed formats for any role.');
}
/**
* Tests editing a page using a disallowed text format.
*
* Verifies that regular users and administrators are able to edit a page, but
* not allowed to change the fields which use an inaccessible text format.
* Also verifies that fields which use a text format that does not exist can
* be edited by administrators only, but that the administrator is forced to
* choose a new format before saving the page.
*/
function testFormatWidgetPermissions() {
$langcode = LANGUAGE_NONE;
$title_key = "title";
$body_value_key = "body[{$langcode}][0][value]";
$body_format_key = "body[{$langcode}][0][format]";
// Create node to edit.
$this->drupalLogin($this->admin_user);
$edit = array();
$edit['title'] = $this->randomName(8);
$edit[$body_value_key] = $this->randomName(16);
$edit[$body_format_key] = $this->disallowed_format->format;
$this->drupalPost('node/add/page', $edit, t('Save'));
$node = $this->drupalGetNodeByTitle($edit['title']);
// Try to edit with a less privileged user.
$this->drupalLogin($this->web_user);
$this->drupalGet('node/' . $node->nid);
$this->clickLink(t('Edit'));
// Verify that body field is read-only and contains replacement value.
$this->assertFieldByXPath("//textarea[@name='{$body_value_key}' and @disabled='disabled']", t('This field has been disabled because you do not have sufficient permissions to edit it.'), 'Text format access denied message found.');
// Verify that title can be changed, but preview displays original body.
$new_edit = array();
$new_edit['title'] = $this->randomName(8);
$this->drupalPost(NULL, $new_edit, t('Preview'));
$this->assertText($edit[$body_value_key], 'Old body found in preview.');
// Save and verify that only the title was changed.
$this->drupalPost(NULL, $new_edit, t('Save'));
$this->assertNoText($edit['title'], 'Old title not found.');
$this->assertText($new_edit['title'], 'New title found.');
$this->assertText($edit[$body_value_key], 'Old body found.');
// Check that even an administrator with "administer filters" permission
// cannot edit the body field if they do not have specific permission to
// use its stored format. (This must be disallowed so that the
// administrator is never forced to switch the text format to something
// else.)
$this->drupalLogin($this->filter_admin_user);
$this->drupalGet('node/' . $node->nid . '/edit');
$this->assertFieldByXPath("//textarea[@name='{$body_value_key}' and @disabled='disabled']", t('This field has been disabled because you do not have sufficient permissions to edit it.'), 'Text format access denied message found.');
// Disable the text format used above.
filter_format_disable($this->disallowed_format);
$this->resetFilterCaches();
// Log back in as the less privileged user and verify that the body field
// is still disabled, since the less privileged user should not be able to
// edit content that does not have an assigned format.
$this->drupalLogin($this->web_user);
$this->drupalGet('node/' . $node->nid . '/edit');
$this->assertFieldByXPath("//textarea[@name='{$body_value_key}' and @disabled='disabled']", t('This field has been disabled because you do not have sufficient permissions to edit it.'), 'Text format access denied message found.');
// Log back in as the filter administrator and verify that the body field
// can be edited.
$this->drupalLogin($this->filter_admin_user);
$this->drupalGet('node/' . $node->nid . '/edit');
$this->assertNoFieldByXPath("//textarea[@name='{$body_value_key}' and @disabled='disabled']", NULL, 'Text format access denied message not found.');
$this->assertFieldByXPath("//select[@name='{$body_format_key}']", NULL, 'Text format selector found.');
// Verify that trying to save the node without selecting a new text format
// produces an error message, and does not result in the node being saved.
$old_title = $new_edit['title'];
$new_title = $this->randomName(8);
$edit = array(
'title' => $new_title,
);
$this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
$this->assertText(t('!name field is required.', array(
'!name' => t('Text format'),
)), 'Error message is displayed.');
$this->drupalGet('node/' . $node->nid);
$this->assertText($old_title, 'Old title found.');
$this->assertNoText($new_title, 'New title not found.');
// Now select a new text format and make sure the node can be saved.
$edit[$body_format_key] = filter_fallback_format();
$this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
$this->assertUrl('node/' . $node->nid);
$this->assertText($new_title, 'New title found.');
$this->assertNoText($old_title, 'Old title not found.');
// Switch the text format to a new one, then disable that format and all
// other formats on the site (leaving only the fallback format).
$this->drupalLogin($this->admin_user);
$edit = array(
$body_format_key => $this->allowed_format->format,
);
$this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
$this->assertUrl('node/' . $node->nid);
foreach (filter_formats() as $format) {
if ($format->format != filter_fallback_format()) {
filter_format_disable($format);
}
}
// Since there is now only one available text format, the widget for
// selecting a text format would normally not display when the content is
// edited. However, we need to verify that the filter administrator still
// is forced to make a conscious choice to reassign the text to a different
// format.
$this->drupalLogin($this->filter_admin_user);
$old_title = $new_title;
$new_title = $this->randomName(8);
$edit = array(
'title' => $new_title,
);
$this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
$this->assertText(t('!name field is required.', array(
'!name' => t('Text format'),
)), 'Error message is displayed.');
$this->drupalGet('node/' . $node->nid);
$this->assertText($old_title, 'Old title found.');
$this->assertNoText($new_title, 'New title not found.');
$edit[$body_format_key] = filter_fallback_format();
$this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));
$this->assertUrl('node/' . $node->nid);
$this->assertText($new_title, 'New title found.');
$this->assertNoText($old_title, 'Old title not found.');
}
/**
* Rebuilds text format and permission caches in the thread running the tests.
*/
protected function resetFilterCaches() {
filter_formats_reset();
$this->checkPermissions(array(), TRUE);
}
}
/**
* Tests the default filter functionality in the Filter module.
*/
class FilterDefaultFormatTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Default text format functionality',
'description' => 'Test the default text formats for different users.',
'group' => 'Filter',
);
}
/**
* Tests if the default text format is accessible to users.
*/
function testDefaultTextFormats() {
// Create two text formats, and two users. The first user has access to
// both formats, but the second user only has access to the second one.
$admin_user = $this->drupalCreateUser(array(
'administer filters',
));
$this->drupalLogin($admin_user);
$formats = array();
for ($i = 0; $i < 2; $i++) {
$edit = array(
'format' => drupal_strtolower($this->randomName()),
'name' => $this->randomName(),
);
$this->drupalPost('admin/config/content/formats/add', $edit, t('Save configuration'));
$this->resetFilterCaches();
$formats[] = filter_format_load($edit['format']);
}
list($first_format, $second_format) = $formats;
$first_user = $this->drupalCreateUser(array(
filter_permission_name($first_format),
filter_permission_name($second_format),
));
$second_user = $this->drupalCreateUser(array(
filter_permission_name($second_format),
));
// Adjust the weights so that the first and second formats (in that order)
// are the two lowest weighted formats available to any user.
$minimum_weight = db_query("SELECT MIN(weight) FROM {filter_format}")->fetchField();
$edit = array();
$edit['formats[' . $first_format->format . '][weight]'] = $minimum_weight - 2;
$edit['formats[' . $second_format->format . '][weight]'] = $minimum_weight - 1;
$this->drupalPost('admin/config/content/formats', $edit, t('Save changes'));
$this->resetFilterCaches();
// Check that each user's default format is the lowest weighted format that
// the user has access to.
$this->assertEqual(filter_default_format($first_user), $first_format->format, "The first user's default format is the lowest weighted format that the user has access to.");
$this->assertEqual(filter_default_format($second_user), $second_format->format, "The second user's default format is the lowest weighted format that the user has access to, and is different than the first user's.");
// Reorder the two formats, and check that both users now have the same
// default.
$edit = array();
$edit['formats[' . $second_format->format . '][weight]'] = $minimum_weight - 3;
$this->drupalPost('admin/config/content/formats', $edit, t('Save changes'));
$this->resetFilterCaches();
$this->assertEqual(filter_default_format($first_user), filter_default_format($second_user), 'After the formats are reordered, both users have the same default format.');
}
/**
* Rebuilds text format and permission caches in the thread running the tests.
*/
protected function resetFilterCaches() {
filter_formats_reset();
$this->checkPermissions(array(), TRUE);
}
}
/**
* Tests the behavior of check_markup() when it is called without text format.
*/
class FilterNoFormatTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Unassigned text format functionality',
'description' => 'Test the behavior of check_markup() when it is called without a text format.',
'group' => 'Filter',
);
}
/**
* Tests text without format.
*
* Tests if text with no format is filtered the same way as text in the
* fallback format.
*/
function testCheckMarkupNoFormat() {
// Create some text. Include some HTML and line breaks, so we get a good
// test of the filtering that is applied to it.
$text = "<strong>" . $this->randomName(32) . "</strong>\n\n<div>" . $this->randomName(32) . "</div>";
// Make sure that when this text is run through check_markup() with no text
// format, it is filtered as though it is in the fallback format.
$this->assertEqual(check_markup($text), check_markup($text, filter_fallback_format()), 'Text with no format is filtered the same as text in the fallback format.');
}
}
/**
* Security tests for missing/vanished text formats or filters.
*/
class FilterSecurityTestCase extends DrupalWebTestCase {
protected $admin_user;
public static function getInfo() {
return array(
'name' => 'Security',
'description' => 'Test the behavior of check_markup() when a filter or text format vanishes.',
'group' => 'Filter',
);
}
function setUp() {
parent::setUp('php', 'filter_test');
$this->admin_user = $this->drupalCreateUser(array(
'administer modules',
'administer filters',
'administer site configuration',
));
$this->drupalLogin($this->admin_user);
}
/**
* Tests removal of filtered content when an active filter is disabled.
*
* Tests that filtered content is emptied when an actively used filter module
* is disabled.
*/
function testDisableFilterModule() {
// Create a new node.
$node = $this->drupalCreateNode(array(
'promote' => 1,
));
$body_raw = $node->body[LANGUAGE_NONE][0]['value'];
$format_id = $node->body[LANGUAGE_NONE][0]['format'];
$this->drupalGet('node/' . $node->nid);
$this->assertText($body_raw, 'Node body found.');
// Enable the filter_test_replace filter.
$edit = array(
'filters[filter_test_replace][status]' => 1,
);
$this->drupalPost('admin/config/content/formats/' . $format_id, $edit, t('Save configuration'));
// Verify that filter_test_replace filter replaced the content.
$this->drupalGet('node/' . $node->nid);
$this->assertNoText($body_raw, 'Node body not found.');
$this->assertText('Filter: Testing filter', 'Testing filter output found.');
// Disable the text format entirely.
$this->drupalPost('admin/config/content/formats/' . $format_id . '/disable', array(), t('Disable'));
// Verify that the content is empty, because the text format does not exist.
$this->drupalGet('node/' . $node->nid);
$this->assertNoText($body_raw, 'Node body not found.');
}
}
/**
* Unit tests for core filters.
*/
class FilterUnitTestCase extends DrupalUnitTestCase {
public static function getInfo() {
return array(
'name' => 'Filter module filters',
'description' => 'Tests Filter module filters individually.',
'group' => 'Filter',
);
}
/**
* Tests the line break filter.
*/
function testLineBreakFilter() {
// Setup dummy filter object.
$filter = new stdClass();
$filter->callback = '_filter_autop';
// Since the line break filter naturally needs plenty of newlines in test
// strings and expectations, we're using "\n" instead of regular newlines
// here.
$tests = array(
// Single line breaks should be changed to <br /> tags, while paragraphs
// separated with double line breaks should be enclosed with <p></p> tags.
"aaa\nbbb\n\nccc" => array(
"<p>aaa<br />\nbbb</p>\n<p>ccc</p>" => TRUE,
),
// Skip contents of certain block tags entirely.
"<script>aaa\nbbb\n\nccc</script>\n<style>aaa\nbbb\n\nccc</style>\n<pre>aaa\nbbb\n\nccc</pre>\n<object>aaa\nbbb\n\nccc</object>\n<iframe>aaa\nbbb\n\nccc</iframe>\n<svg>aaa\nbbb\n\nccc</svg>\n" => array(
"<script>aaa\nbbb\n\nccc</script>" => TRUE,
"<style>aaa\nbbb\n\nccc</style>" => TRUE,
"<pre>aaa\nbbb\n\nccc</pre>" => TRUE,
"<object>aaa\nbbb\n\nccc</object>" => TRUE,
"<iframe>aaa\nbbb\n\nccc</iframe>" => TRUE,
"<svg>aaa\nbbb\n\nccc</svg>" => TRUE,
),
// Skip comments entirely.
"One. <!-- comment --> Two.\n<!--\nThree.\n-->\n" => array(
'<!-- comment -->' => TRUE,
"<!--\nThree.\n-->" => TRUE,
),
// Resulting HTML should produce matching paragraph tags.
'<p><div> </div></p>' => array(
"<p>\n<div> </div>\n</p>" => TRUE,
),
'<div><p> </p></div>' => array(
"<div>\n</div>" => TRUE,
),
'<blockquote><pre>aaa</pre></blockquote>' => array(
"<blockquote><pre>aaa</pre></blockquote>" => TRUE,
),
"<pre>aaa\nbbb\nccc</pre>\nddd\neee" => array(
"<pre>aaa\nbbb\nccc</pre>" => TRUE,
"<p>ddd<br />\neee</p>" => TRUE,
),
// Comments remain unchanged and subsequent lines/paragraphs are
// transformed normally.
"aaa<!--comment-->\n\nbbb\n\nccc\n\nddd<!--comment\nwith linebreak-->\n\neee\n\nfff" => array(
"<p>aaa</p>\n<!--comment--><p>\nbbb</p>\n<p>ccc</p>\n<p>ddd</p>" => TRUE,
"<!--comment\nwith linebreak--><p>\neee</p>\n<p>fff</p>" => TRUE,
),
// Check that a comment in a PRE will result that the text after
// the comment, but still in PRE, is not transformed.
"<pre>aaa\nbbb<!-- comment -->\n\nccc</pre>\nddd" => array(
"<pre>aaa\nbbb<!-- comment -->\n\nccc</pre>" => TRUE,
),
// Bug 810824, paragraphs were appearing around iframe tags.
"<iframe>aaa</iframe>\n\n" => array(
"<p><iframe>aaa</iframe></p>" => FALSE,
),
);
$this->assertFilteredString($filter, $tests);
// Very long string hitting PCRE limits.
$limit = max(ini_get('pcre.backtrack_limit'), ini_get('pcre.recursion_limit'));
$source = $this->randomName($limit);
$result = _filter_autop($source);
$success = $this->assertEqual($result, '<p>' . $source . "</p>\n", 'Line break filter can process very long strings.');
if (!$success) {
$this->verbose("\n" . $source . "\n<hr />\n" . $result);
}
}
/**
* Tests limiting allowed tags and XSS prevention.
*
* XSS tests assume that script is disallowed by default and src is allowed
* by default, but on* and style attributes are disallowed.
*
* Script injection vectors mostly adopted from http://ha.ckers.org/xss.html.
*
* Relevant CVEs:
* - CVE-2002-1806, ~CVE-2005-0682, ~CVE-2005-2106, CVE-2005-3973,
* CVE-2006-1226 (= rev. 1.112?), CVE-2008-0273, CVE-2008-3740.
*/
function testFilterXSS() {
// Tag stripping, different ways to work around removal of HTML tags.
$f = filter_xss('<script>alert(0)</script>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping -- simple script without special characters.');
$f = filter_xss('<script src="http://www.example.com" />');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping -- empty script with source.');
$f = filter_xss('<ScRipt sRc=http://www.example.com/>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- varying case.');
$f = filter_xss("<script\nsrc\n=\nhttp://www.example.com/\n>");
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- multiline tag.');
$f = filter_xss('<script/a src=http://www.example.com/a.js></script>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- non whitespace character after tag name.');
$f = filter_xss('<script/src=http://www.example.com/a.js></script>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- no space between tag and attribute.');
// Null between < and tag name works at least with IE6.
$f = filter_xss("<\x00scr\x00ipt>alert(0)</script>");
$this->assertNoNormalized($f, 'ipt', 'HTML tag stripping evasion -- breaking HTML with nulls.');
$f = filter_xss("<scrscriptipt src=http://www.example.com/a.js>");
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- filter just removing "script".');
$f = filter_xss('<<script>alert(0);//<</script>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- double opening brackets.');
$f = filter_xss('<script src=http://www.example.com/a.js?<b>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- no closing tag.');
// DRUPAL-SA-2008-047: This doesn't seem exploitable, but the filter should
// work consistently.
$f = filter_xss('<script>>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- double closing tag.');
$f = filter_xss('<script src=//www.example.com/.a>');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- no scheme or ending slash.');
$f = filter_xss('<script src=http://www.example.com/.a');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- no closing bracket.');
$f = filter_xss('<script src=http://www.example.com/ <');
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- opening instead of closing bracket.');
$f = filter_xss('<nosuchtag attribute="newScriptInjectionVector">');
$this->assertNoNormalized($f, 'nosuchtag', 'HTML tag stripping evasion -- unknown tag.');
$f = filter_xss('<?xml:namespace ns="urn:schemas-microsoft-com:time">');
$this->assertTrue(stripos($f, '<?xml') === FALSE, 'HTML tag stripping evasion -- starting with a question sign (processing instructions).');
$f = filter_xss('<t:set attributeName="innerHTML" to="<script defer>alert(0)</script>">');
$this->assertNoNormalized($f, 't:set', 'HTML tag stripping evasion -- colon in the tag name (namespaces\' tricks).');
$f = filter_xss('<img """><script>alert(0)</script>', array(
'img',
));
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- a malformed image tag.');
$f = filter_xss('<blockquote><script>alert(0)</script></blockquote>', array(
'blockquote',
));
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- script in a blockqoute.');
$f = filter_xss("<!--[if true]><script>alert(0)</script><![endif]-->");
$this->assertNoNormalized($f, 'script', 'HTML tag stripping evasion -- script within a comment.');
// Dangerous attributes removal.
$f = filter_xss('<p onmouseover="http://www.example.com/">', array(
'p',
));
$this->assertNoNormalized($f, 'onmouseover', 'HTML filter attributes removal -- events, no evasion.');
$f = filter_xss('<li style="list-style-image: url(javascript:alert(0))">', array(
'li',
));
$this->assertNoNormalized($f, 'style', 'HTML filter attributes removal -- style, no evasion.');
$f = filter_xss('<img onerror =alert(0)>', array(
'img',
));
$this->assertNoNormalized($f, 'onerror', 'HTML filter attributes removal evasion -- spaces before equals sign.');
$f = filter_xss('<img onabort!#$%&()*~+-_.,:;?@[/|\\]^`=alert(0)>', array(
'img',
));
$this->assertNoNormalized($f, 'onabort', 'HTML filter attributes removal evasion -- non alphanumeric characters before equals sign.');
$f = filter_xss('<img oNmediAError=alert(0)>', array(
'img',
));
$this->assertNoNormalized($f, 'onmediaerror', 'HTML filter attributes removal evasion -- varying case.');
// Works at least with IE6.
$f = filter_xss("<img o\x00nfocus\x00=alert(0)>", array(
'img',
));
$this->assertNoNormalized($f, 'focus', 'HTML filter attributes removal evasion -- breaking with nulls.');
// Only whitelisted scheme names allowed in attributes.
$f = filter_xss('<img src="javascript:alert(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing -- no evasion.');
$f = filter_xss('<img src=javascript:alert(0)>', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- no quotes.');
// A bit like CVE-2006-0070.
$f = filter_xss('<img src="javascript:confirm(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- no alert ;)');
$f = filter_xss('<img src=`javascript:alert(0)`>', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- grave accents.');
$f = filter_xss('<img dynsrc="javascript:alert(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing -- rare attribute.');
$f = filter_xss('<table background="javascript:alert(0)">', array(
'table',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing -- another tag.');
$f = filter_xss('<base href="javascript:alert(0);//">', array(
'base',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing -- one more attribute and tag.');
$f = filter_xss('<img src="jaVaSCriPt:alert(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- varying case.');
$f = filter_xss('<img src=javascript:alert(0)>', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- UTF-8 decimal encoding.');
$f = filter_xss('<img src=javascript:alert(0)>', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- long UTF-8 encoding.');
$f = filter_xss('<img src=javascript:alert(0)>', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- UTF-8 hex encoding.');
$f = filter_xss("<img src=\"jav\tascript:alert(0)\">", array(
'img',
));
$this->assertNoNormalized($f, 'script', 'HTML scheme clearing evasion -- an embedded tab.');
$f = filter_xss('<img src="jav	ascript:alert(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'script', 'HTML scheme clearing evasion -- an encoded, embedded tab.');
$f = filter_xss('<img src="jav
ascript:alert(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'script', 'HTML scheme clearing evasion -- an encoded, embedded newline.');
// With 
 this test would fail, but the entity gets turned into
// &#xD;, so it's OK.
$f = filter_xss('<img src="jav
ascript:alert(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'script', 'HTML scheme clearing evasion -- an encoded, embedded carriage return.');
$f = filter_xss("<img src=\"\n\n\nj\na\nva\ns\ncript:alert(0)\">", array(
'img',
));
$this->assertNoNormalized($f, 'cript', 'HTML scheme clearing evasion -- broken into many lines.');
$f = filter_xss("<img src=\"jav\x00a\x00\x00cript:alert(0)\">", array(
'img',
));
$this->assertNoNormalized($f, 'cript', 'HTML scheme clearing evasion -- embedded nulls.');
// @todo This dataset currently fails under 5.4 because of
// https://www.drupal.org/node/1210798. Restore after it's fixed.
if (version_compare(PHP_VERSION, '5.4.0', '<')) {
$f = filter_xss('<img src="  javascript:alert(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'javascript', 'HTML scheme clearing evasion -- spaces and metacharacters before scheme.');
}
$f = filter_xss('<img src="vbscript:msgbox(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'vbscript', 'HTML scheme clearing evasion -- another scheme.');
$f = filter_xss('<img src="nosuchscheme:notice(0)">', array(
'img',
));
$this->assertNoNormalized($f, 'nosuchscheme', 'HTML scheme clearing evasion -- unknown scheme.');
// Netscape 4.x javascript entities.
$f = filter_xss('<br size="&{alert(0)}">', array(
'br',
));
$this->assertNoNormalized($f, 'alert', 'Netscape 4.x javascript entities.');
// DRUPAL-SA-2008-006: Invalid UTF-8, these only work as reflected XSS with
// Internet Explorer 6.
$f = filter_xss("<p arg=\"\xe0\">\" style=\"background-image: url(javascript:alert(0));\"\xe0<p>", array(
'p',
));
$this->assertNoNormalized($f, 'style', 'HTML filter -- invalid UTF-8.');
$f = filter_xss("\xc0aaa");
$this->assertEqual($f, '', 'HTML filter -- overlong UTF-8 sequences.');
$f = filter_xss("Who's Online");
$this->assertNormalized($f, "who's online", 'HTML filter -- html entity number');
$f = filter_xss("Who&#039;s Online");
$this->assertNormalized($f, "who's online", 'HTML filter -- encoded html entity number');
$f = filter_xss("Who&amp;#039; Online");
$this->assertNormalized($f, "who&#039; online", 'HTML filter -- double encoded html entity number');
}
/**
* Tests filter settings, defaults, access restrictions and similar.
*
* @todo This is for functions like filter_filter and check_markup, whose
* functionality is not completely focused on filtering. Some ideas:
* restricting formats according to user permissions, proper cache
* handling, defaults -- allowed tags/attributes/protocols.
*
* @todo It is possible to add script, iframe etc. to allowed tags, but this
* makes HTML filter completely ineffective.
*
* @todo Class, id, name and xmlns should be added to disallowed attributes,
* or better a whitelist approach should be used for that too.
*/
function testHtmlFilter() {
// Setup dummy filter object.
$filter = new stdClass();
$filter->settings = array(
'allowed_html' => '<a> <em> <strong> <cite> <blockquote> <code> <ul> <ol> <li> <dl> <dt> <dd> <test-element>',
'filter_html_help' => 1,
'filter_html_nofollow' => 0,
);
// HTML filter is not able to secure some tags, these should never be
// allowed.
$f = _filter_html('<script />', $filter);
$this->assertNoNormalized($f, 'script', 'HTML filter should always remove script tags.');
$f = _filter_html('<iframe />', $filter);
$this->assertNoNormalized($f, 'iframe', 'HTML filter should always remove iframe tags.');
$f = _filter_html('<object />', $filter);
$this->assertNoNormalized($f, 'object', 'HTML filter should always remove object tags.');
$f = _filter_html('<style />', $filter);
$this->assertNoNormalized($f, 'style', 'HTML filter should always remove style tags.');
// Some tags make CSRF attacks easier, let the user take the risk herself.
$f = _filter_html('<img />', $filter);
$this->assertNoNormalized($f, 'img', 'HTML filter should remove img tags on default.');
$f = _filter_html('<input />', $filter);
$this->assertNoNormalized($f, 'img', 'HTML filter should remove input tags on default.');
// Filtering content of some attributes is infeasible, these shouldn't be
// allowed too.
$f = _filter_html('<p style="display: none;" />', $filter);
$this->assertNoNormalized($f, 'style', 'HTML filter should remove style attribute on default.');
$f = _filter_html('<p onerror="alert(0);" />', $filter);
$this->assertNoNormalized($f, 'onerror', 'HTML filter should remove on* attributes on default.');
$f = _filter_html('<code onerror> </code>', $filter);
$this->assertNoNormalized($f, 'onerror', 'HTML filter should remove empty on* attributes on default.');
// Custom tags are supported and should be allowed through.
$f = _filter_html('<test-element></test-element>', $filter);
$this->assertNormalized($f, 'test-element', 'HTML filter should allow custom elements.');
}
/**
* Tests the spam deterrent.
*/
function testNoFollowFilter() {
// Setup dummy filter object.
$filter = new stdClass();
$filter->settings = array(
'allowed_html' => '<a>',
'filter_html_help' => 1,
'filter_html_nofollow' => 1,
);
// Test if the rel="nofollow" attribute is added, even if we try to prevent
// it.
$f = _filter_html('<a href="http://www.example.com/">text</a>', $filter);
$this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent -- no evasion.');
$f = _filter_html('<A href="http://www.example.com/">text</a>', $filter);
$this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- capital A.');
$f = _filter_html("<a/href=\"http://www.example.com/\">text</a>", $filter);
$this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- non whitespace character after tag name.');
$f = _filter_html("<\x00a\x00 href=\"http://www.example.com/\">text</a>", $filter);
$this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- some nulls.');
$f = _filter_html('<a href="http://www.example.com/" rel="follow">text</a>', $filter);
$this->assertNoNormalized($f, 'rel="follow"', 'Spam deterrent evasion -- with rel set - rel="follow" removed.');
$this->assertNormalized($f, 'rel="nofollow"', 'Spam deterrent evasion -- with rel set - rel="nofollow" added.');
}
/**
* Tests the loose, admin HTML filter.
*/
function testFilterXSSAdmin() {
// DRUPAL-SA-2008-044
$f = filter_xss_admin('<object />');
$this->assertNoNormalized($f, 'object', 'Admin HTML filter -- should not allow object tag.');
$f = filter_xss_admin('<script />');
$this->assertNoNormalized($f, 'script', 'Admin HTML filter -- should not allow script tag.');
$f = filter_xss_admin('<style /><iframe /><frame /><frameset /><meta /><link /><embed /><applet /><param /><layer />');
$this->assertEqual($f, '', 'Admin HTML filter -- should never allow some tags.');
}
/**
* Tests the HTML escaping filter.
*
* check_plain() is not tested here.
*/
function testHtmlEscapeFilter() {
// Setup dummy filter object.
$filter = new stdClass();
$filter->callback = '_filter_html_escape';
$tests = array(
" One. <!-- \"comment\" --> Two'.\n<p>Three.</p>\n " => array(
"One. <!-- "comment" --> Two'.\n<p>Three.</p>" => TRUE,
' One.' => FALSE,
"</p>\n " => FALSE,
),
);
$this->assertFilteredString($filter, $tests);
}
/**
* Tests the URL filter.
*/
function testUrlFilter() {
// Setup dummy filter object.
$filter = new stdClass();
$filter->callback = '_filter_url';
$filter->settings = array(
'filter_url_length' => 496,
);
// @todo Possible categories:
// - absolute, mail, partial
// - characters/encoding, surrounding markup, security
// Create a e-mail that is too long.
$long_email = str_repeat('a', 254) . '@example.com';
$too_long_email = str_repeat('b', 255) . '@example.com';
$email_with_plus_sign = 'one+two@example.com';
// Filter selection/pattern matching.
$tests = array(
// HTTP URLs.
'
http://example.com or www.example.com
' => array(
'<a href="http://example.com">http://example.com</a>' => TRUE,
'<a href="http://www.example.com">www.example.com</a>' => TRUE,
),
// MAILTO URLs.
'
person@example.com or mailto:person2@example.com or ' . $email_with_plus_sign . ' or ' . $long_email . ' but not ' . $too_long_email . '
' => array(
'<a href="mailto:person@example.com">person@example.com</a>' => TRUE,
'<a href="mailto:person2@example.com">mailto:person2@example.com</a>' => TRUE,
'<a href="mailto:' . $long_email . '">' . $long_email . '</a>' => TRUE,
'<a href="mailto:' . $too_long_email . '">' . $too_long_email . '</a>' => FALSE,
'<a href="mailto:' . $email_with_plus_sign . '">' . $email_with_plus_sign . '</a>' => TRUE,
),
// URI parts and special characters.
'
http://trailingslash.com/ or www.trailingslash.com/
http://host.com/some/path?query=foo&bar[baz]=beer#fragment or www.host.com/some/path?query=foo&bar[baz]=beer#fragment
http://twitter.com/#!/example/status/22376963142324226
ftp://user:pass@ftp.example.com/~home/dir1
sftp://user@nonstandardport:222/dir
ssh://192.168.0.100/srv/git/drupal.git
' => array(
'<a href="http://trailingslash.com/">http://trailingslash.com/</a>' => TRUE,
'<a href="http://www.trailingslash.com/">www.trailingslash.com/</a>' => TRUE,
'<a href="http://host.com/some/path?query=foo&bar[baz]=beer#fragment">http://host.com/some/path?query=foo&bar[baz]=beer#fragment</a>' => TRUE,
'<a href="http://www.host.com/some/path?query=foo&bar[baz]=beer#fragment">www.host.com/some/path?query=foo&bar[baz]=beer#fragment</a>' => TRUE,
'<a href="http://twitter.com/#!/example/status/22376963142324226">http://twitter.com/#!/example/status/22376963142324226</a>' => TRUE,
'<a href="ftp://user:pass@ftp.example.com/~home/dir1">ftp://user:pass@ftp.example.com/~home/dir1</a>' => TRUE,
'<a href="sftp://user@nonstandardport:222/dir">sftp://user@nonstandardport:222/dir</a>' => TRUE,
'<a href="ssh://192.168.0.100/srv/git/drupal.git">ssh://192.168.0.100/srv/git/drupal.git</a>' => TRUE,
),
// Encoding.
'
http://ampersand.com/?a=1&b=2
http://encoded.com/?a=1&b=2
' => array(
'<a href="http://ampersand.com/?a=1&b=2">http://ampersand.com/?a=1&b=2</a>' => TRUE,
'<a href="http://encoded.com/?a=1&b=2">http://encoded.com/?a=1&b=2</a>' => TRUE,
),
// Domain name length.
'
www.ex.ex or www.example.example or www.toolongdomainexampledomainexampledomainexampledomainexampledomain or
me@me.tv
' => array(
'<a href="http://www.ex.ex">www.ex.ex</a>' => TRUE,
'<a href="http://www.example.example">www.example.example</a>' => TRUE,
'http://www.toolong' => FALSE,
'<a href="mailto:me@me.tv">me@me.tv</a>' => TRUE,
),
// Absolute URL protocols.
// The list to test is found in the beginning of _filter_url() at
// $protocols = variable_get('filter_allowed_protocols'... (approx line 1325).
'
https://example.com,
ftp://ftp.example.com,
news://example.net,
telnet://example,
irc://example.host,
ssh://odd.geek,
sftp://secure.host?,
webcal://calendar,
rtsp://127.0.0.1,
not foo://disallowed.com.
' => array(
'href="https://example.com"' => TRUE,
'href="ftp://ftp.example.com"' => TRUE,
'href="news://example.net"' => TRUE,
'href="telnet://example"' => TRUE,
'href="irc://example.host"' => TRUE,
'href="ssh://odd.geek"' => TRUE,
'href="sftp://secure.host"' => TRUE,
'href="webcal://calendar"' => TRUE,
'href="rtsp://127.0.0.1"' => TRUE,
'href="foo://disallowed.com"' => FALSE,
'not foo://disallowed.com.' => TRUE,
),
);
$this->assertFilteredString($filter, $tests);
// Surrounding text/punctuation.
$tests = array(
'
Partial URL with trailing period www.partial.com.
E-mail with trailing comma person@example.com,
Absolute URL with trailing question http://www.absolute.com?
Query string with trailing exclamation www.query.com/index.php?a=!
Partial URL with 3 trailing www.partial.periods...
E-mail with 3 trailing exclamations@example.com!!!
Absolute URL and query string with 2 different punctuation characters (http://www.example.com/q=abc).
' => array(
'period <a href="http://www.partial.com">www.partial.com</a>.' => TRUE,
'comma <a href="mailto:person@example.com">person@example.com</a>,' => TRUE,
'question <a href="http://www.absolute.com">http://www.absolute.com</a>?' => TRUE,
'exclamation <a href="http://www.query.com/index.php?a=">www.query.com/index.php?a=</a>!' => TRUE,
'trailing <a href="http://www.partial.periods">www.partial.periods</a>...' => TRUE,
'trailing <a href="mailto:exclamations@example.com">exclamations@example.com</a>!!!' => TRUE,
'characters (<a href="http://www.example.com/q=abc">http://www.example.com/q=abc</a>).' => TRUE,
),
'
(www.parenthesis.com/dir?a=1&b=2#a)
' => array(
'(<a href="http://www.parenthesis.com/dir?a=1&b=2#a">www.parenthesis.com/dir?a=1&b=2#a</a>)' => TRUE,
),
);
$this->assertFilteredString($filter, $tests);
// Surrounding markup.
$tests = array(
'
<p xmlns="www.namespace.com" />
<p xmlns="http://namespace.com">
An <a href="http://example.com" title="Read more at www.example.info...">anchor</a>.
</p>
' => array(
'<p xmlns="www.namespace.com" />' => TRUE,
'<p xmlns="http://namespace.com">' => TRUE,
'href="http://www.namespace.com"' => FALSE,
'href="http://namespace.com"' => FALSE,
'An <a href="http://example.com" title="Read more at www.example.info...">anchor</a>.' => TRUE,
),
'
Not <a href="foo">www.relative.com</a> or <a href="http://absolute.com">www.absolute.com</a>
but <strong>http://www.strong.net</strong> or <em>www.emphasis.info</em>
' => array(
'<a href="foo">www.relative.com</a>' => TRUE,
'href="http://www.relative.com"' => FALSE,
'<a href="http://absolute.com">www.absolute.com</a>' => TRUE,
'<strong><a href="http://www.strong.net">http://www.strong.net</a></strong>' => TRUE,
'<em><a href="http://www.emphasis.info">www.emphasis.info</a></em>' => TRUE,
),
'
Test <code>using www.example.com the code tag</code>.
' => array(
'href' => FALSE,
'http' => FALSE,
),
'
Intro.
<blockquote>
Quoted text linking to www.example.com, written by person@example.com, originating from http://origin.example.com. <code>@see www.usage.example.com or <em>www.example.info</em> bla bla</code>.
</blockquote>
Outro.
' => array(
'href="http://www.example.com"' => TRUE,
'href="mailto:person@example.com"' => TRUE,
'href="http://origin.example.com"' => TRUE,
'http://www.usage.example.com' => FALSE,
'http://www.example.info' => FALSE,
'Intro.' => TRUE,
'Outro.' => TRUE,
),
'
Unknown tag <x>containing x and www.example.com</x>? And a tag <pooh>beginning with p and containing www.example.pooh with p?</pooh>
' => array(
'href="http://www.example.com"' => TRUE,
'href="http://www.example.pooh"' => TRUE,
),
'
<p>Test <br/>: This is a www.example17.com example <strong>with</strong> various http://www.example18.com tags. *<br/>
It is important www.example19.com to *<br/>test different URLs and http://www.example20.com in the same paragraph. *<br>
HTML www.example21.com soup by person@example22.com can litererally http://www.example23.com contain *img*<img> anything. Just a www.example24.com with http://www.example25.com thrown in. www.example26.com from person@example27.com with extra http://www.example28.com.
' => array(
'href="http://www.example17.com"' => TRUE,
'href="http://www.example18.com"' => TRUE,
'href="http://www.example19.com"' => TRUE,
'href="http://www.example20.com"' => TRUE,
'href="http://www.example21.com"' => TRUE,
'href="mailto:person@example22.com"' => TRUE,
'href="http://www.example23.com"' => TRUE,
'href="http://www.example24.com"' => TRUE,
'href="http://www.example25.com"' => TRUE,
'href="http://www.example26.com"' => TRUE,
'href="mailto:person@example27.com"' => TRUE,
'href="http://www.example28.com"' => TRUE,
),
'
<script>
<!--
// @see www.example.com
var exampleurl = "http://example.net";
-->
<!--//--><![CDATA[//><!--
// @see www.example.com
var exampleurl = "http://example.net";
//--><!]]>
</script>
' => array(
'href="http://www.example.com"' => FALSE,
'href="http://example.net"' => FALSE,
),
'
<style>body {
background: url(http://example.com/pixel.gif);
}</style>
' => array(
'href' => FALSE,
),
'
<!-- Skip any URLs like www.example.com in comments -->
' => array(
'href' => FALSE,
),
'
<!-- Skip any URLs like
www.example.com with a newline in comments -->
' => array(
'href' => FALSE,
),
'
<!-- Skip any URLs like www.comment.com in comments. <p>Also ignore http://commented.out/markup.</p> -->
' => array(
'href' => FALSE,
),
'
<dl>
<dt>www.example.com</dt>
<dd>http://example.com</dd>
<dd>person@example.com</dd>
<dt>Check www.example.net</dt>
<dd>Some text around http://www.example.info by person@example.info?</dd>
</dl>
' => array(
'href="http://www.example.com"' => TRUE,
'href="http://example.com"' => TRUE,
'href="mailto:person@example.com"' => TRUE,
'href="http://www.example.net"' => TRUE,
'href="http://www.example.info"' => TRUE,
'href="mailto:person@example.info"' => TRUE,
),
'
<div>www.div.com</div>
<ul>
<li>http://listitem.com</li>
<li class="odd">www.class.listitem.com</li>
</ul>
' => array(
'<div><a href="http://www.div.com">www.div.com</a></div>' => TRUE,
'<li><a href="http://listitem.com">http://listitem.com</a></li>' => TRUE,
'<li class="odd"><a href="http://www.class.listitem.com">www.class.listitem.com</a></li>' => TRUE,
),
);
$this->assertFilteredString($filter, $tests);
// URL trimming.
$filter->settings['filter_url_length'] = 20;
$tests = array(
'www.trimmed.com/d/ff.ext?a=1&b=2#a1' => array(
'<a href="http://www.trimmed.com/d/ff.ext?a=1&b=2#a1">www.trimmed.com/d/ff...</a>' => TRUE,
),
);
$this->assertFilteredString($filter, $tests);
}
/**
* Asserts multiple filter output expectations for multiple input strings.
*
* @param $filter
* A input filter object.
* @param $tests
* An associative array, whereas each key is an arbitrary input string and
* each value is again an associative array whose keys are filter output
* strings and whose values are Booleans indicating whether the output is
* expected or not.
*
* For example:
* @code
* $tests = array(
* 'Input string' => array(
* '<p>Input string</p>' => TRUE,
* 'Input string<br' => FALSE,
* ),
* );
* @endcode
*/
function assertFilteredString($filter, $tests) {
foreach ($tests as $source => $tasks) {
$function = $filter->callback;
$result = $function($source, $filter);
foreach ($tasks as $value => $is_expected) {
// Not using assertIdentical, since combination with strpos() is hard to grok.
if ($is_expected) {
$success = $this->assertTrue(strpos($result, $value) !== FALSE, format_string('@source: @value found.', array(
'@source' => var_export($source, TRUE),
'@value' => var_export($value, TRUE),
)));
}
else {
$success = $this->assertTrue(strpos($result, $value) === FALSE, format_string('@source: @value not found.', array(
'@source' => var_export($source, TRUE),
'@value' => var_export($value, TRUE),
)));
}
if (!$success) {
$this->verbose('Source:<pre>' . check_plain(var_export($source, TRUE)) . '</pre>' . '<hr />' . 'Result:<pre>' . check_plain(var_export($result, TRUE)) . '</pre>' . '<hr />' . ($is_expected ? 'Expected:' : 'Not expected:') . '<pre>' . check_plain(var_export($value, TRUE)) . '</pre>');
}
}
}
}
/**
* Tests URL filter on longer content.
*
* Filters based on regular expressions should also be tested with a more
* complex content than just isolated test lines.
* The most common errors are:
* - accidental '*' (greedy) match instead of '*?' (minimal) match.
* - only matching first occurrence instead of all.
* - newlines not matching '.*'.
*
* This test covers:
* - Document with multiple newlines and paragraphs (two newlines).
* - Mix of several HTML tags, invalid non-HTML tags, tags to ignore and HTML
* comments.
* - Empty HTML tags (BR, IMG).
* - Mix of absolute and partial URLs, and e-mail addresses in one content.
*/
function testUrlFilterContent() {
// Setup dummy filter object.
$filter = new stdClass();
$filter->settings = array(
'filter_url_length' => 496,
);
$path = drupal_get_path('module', 'filter') . '/tests';
$input = file_get_contents($path . '/filter.url-input.txt');
$expected = file_get_contents($path . '/filter.url-output.txt');
$result = _filter_url($input, $filter);
$this->assertIdentical($result, $expected, 'Complex HTML document was correctly processed.');
}
/**
* Tests the HTML corrector filter.
*
* @todo This test could really use some validity checking function.
*/
function testHtmlCorrectorFilter() {
// Tag closing.
$f = _filter_htmlcorrector('<p>text');
$this->assertEqual($f, '<p>text</p>', 'HTML corrector -- tag closing at the end of input.');
$f = _filter_htmlcorrector('<p>text<p><p>text');
$this->assertEqual($f, '<p>text</p><p></p><p>text</p>', 'HTML corrector -- tag closing.');
$f = _filter_htmlcorrector("<ul><li>e1<li>e2");
$this->assertEqual($f, "<ul><li>e1</li><li>e2</li></ul>", 'HTML corrector -- unclosed list tags.');
$f = _filter_htmlcorrector('<div id="d">content');
$this->assertEqual($f, '<div id="d">content</div>', 'HTML corrector -- unclosed tag with attribute.');
// XHTML slash for empty elements.
$f = _filter_htmlcorrector('<hr><br>');
$this->assertEqual($f, '<hr /><br />', 'HTML corrector -- XHTML closing slash.');
$f = _filter_htmlcorrector('<P>test</P>');
$this->assertEqual($f, '<p>test</p>', 'HTML corrector -- Convert uppercased tags to proper lowercased ones.');
$f = _filter_htmlcorrector('<P>test</p>');
$this->assertEqual($f, '<p>test</p>', 'HTML corrector -- Convert uppercased tags to proper lowercased ones.');
$f = _filter_htmlcorrector('test<hr />');
$this->assertEqual($f, 'test<hr />', 'HTML corrector -- Let proper XHTML pass through.');
$f = _filter_htmlcorrector('test<hr/>');
$this->assertEqual($f, 'test<hr />', 'HTML corrector -- Let proper XHTML pass through, but ensure there is a single space before the closing slash.');
$f = _filter_htmlcorrector('test<hr />');
$this->assertEqual($f, 'test<hr />', 'HTML corrector -- Let proper XHTML pass through, but ensure there are not too many spaces before the closing slash.');
$f = _filter_htmlcorrector('<span class="test" />');
$this->assertEqual($f, '<span class="test"></span>', 'HTML corrector -- Convert XHTML that is properly formed but that would not be compatible with typical HTML user agents.');
$f = _filter_htmlcorrector('test1<br class="test">test2');
$this->assertEqual($f, 'test1<br class="test" />test2', 'HTML corrector -- Automatically close single tags.');
$f = _filter_htmlcorrector('line1<hr>line2');
$this->assertEqual($f, 'line1<hr />line2', 'HTML corrector -- Automatically close single tags.');
$f = _filter_htmlcorrector('line1<HR>line2');
$this->assertEqual($f, 'line1<hr />line2', 'HTML corrector -- Automatically close single tags.');
$f = _filter_htmlcorrector('<img src="http://example.com/test.jpg">test</img>');
$this->assertEqual($f, '<img src="http://example.com/test.jpg" />test', 'HTML corrector -- Automatically close single tags.');
$f = _filter_htmlcorrector('<br></br>');
$this->assertEqual($f, '<br />', "HTML corrector -- Transform empty tags to a single closed tag if the tag's content model is EMPTY.");
$f = _filter_htmlcorrector('<div></div>');
$this->assertEqual($f, '<div></div>', "HTML corrector -- Do not transform empty tags to a single closed tag if the tag's content model is not EMPTY.");
$f = _filter_htmlcorrector('<p>line1<br/><hr/>line2</p>');
$this->assertEqual($f, '<p>line1<br /></p><hr />line2', 'HTML corrector -- Move non-inline elements outside of inline containers.');
$f = _filter_htmlcorrector('<p>line1<div>line2</div></p>');
$this->assertEqual($f, '<p>line1</p><div>line2</div>', 'HTML corrector -- Move non-inline elements outside of inline containers.');
$f = _filter_htmlcorrector('<p>test<p>test</p>\\n');
$this->assertEqual($f, '<p>test</p><p>test</p>\\n', 'HTML corrector -- Auto-close improperly nested tags.');
$f = _filter_htmlcorrector('<p>Line1<br><STRONG>bold stuff</b>');
$this->assertEqual($f, '<p>Line1<br /><strong>bold stuff</strong></p>', 'HTML corrector -- Properly close unclosed tags, and remove useless closing tags.');
$f = _filter_htmlcorrector('test <!-- this is a comment -->');
$this->assertEqual($f, 'test <!-- this is a comment -->', 'HTML corrector -- Do not touch HTML comments.');
$f = _filter_htmlcorrector('test <!--this is a comment-->');
$this->assertEqual($f, 'test <!--this is a comment-->', 'HTML corrector -- Do not touch HTML comments.');
$f = _filter_htmlcorrector('test <!-- comment <p>another
<strong>multiple</strong> line
comment</p> -->');
$this->assertEqual($f, 'test <!-- comment <p>another
<strong>multiple</strong> line
comment</p> -->', 'HTML corrector -- Do not touch HTML comments.');
$f = _filter_htmlcorrector('test <!-- comment <p>another comment</p> -->');
$this->assertEqual($f, 'test <!-- comment <p>another comment</p> -->', 'HTML corrector -- Do not touch HTML comments.');
$f = _filter_htmlcorrector('test <!--break-->');
$this->assertEqual($f, 'test <!--break-->', 'HTML corrector -- Do not touch HTML comments.');
$f = _filter_htmlcorrector('<p>test\\n</p>\\n');
$this->assertEqual($f, '<p>test\\n</p>\\n', 'HTML corrector -- New-lines are accepted and kept as-is.');
$f = _filter_htmlcorrector('<p>دروبال');
$this->assertEqual($f, '<p>دروبال</p>', 'HTML corrector -- Encoding is correctly kept.');
$f = _filter_htmlcorrector('<script type="text/javascript">alert("test")</script>');
$this->assertEqual($f, '<script type="text/javascript">
<!--//--><![CDATA[// ><!--
alert("test")
//--><!]]>
</script>', 'HTML corrector -- CDATA added to script element');
$f = _filter_htmlcorrector('<p><script type="text/javascript">alert("test")</script></p>');
$this->assertEqual($f, '<p><script type="text/javascript">
<!--//--><![CDATA[// ><!--
alert("test")
//--><!]]>
</script></p>', 'HTML corrector -- CDATA added to a nested script element');
$f = _filter_htmlcorrector('<p><style> /* Styling */ body {color:red}</style></p>');
$this->assertEqual($f, '<p><style>
<!--/*--><![CDATA[/* ><!--*/
/* Styling */ body {color:red}
/*--><!]]>*/
</style></p>', 'HTML corrector -- CDATA added to a style element.');
$filtered_data = _filter_htmlcorrector('<p><style>
/*<![CDATA[*/
/* Styling */
body {color:red}
/*]]>*/
</style></p>');
$this->assertEqual($filtered_data, '<p><style>
<!--/*--><![CDATA[/* ><!--*/
/*<![CDATA[*/
/* Styling */
body {color:red}
/*]]]]><![CDATA[>*/
/*--><!]]>*/
</style></p>', format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', array(
'@pattern_name' => '/*<![CDATA[*/',
)));
$filtered_data = _filter_htmlcorrector('<p><style>
<!--/*--><![CDATA[/* ><!--*/
/* Styling */
body {color:red}
/*--><!]]>*/
</style></p>');
$this->assertEqual($filtered_data, '<p><style>
<!--/*--><![CDATA[/* ><!--*/
<!--/*--><![CDATA[/* ><!--*/
/* Styling */
body {color:red}
/*--><!]]]]><![CDATA[>*/
/*--><!]]>*/
</style></p>', format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', array(
'@pattern_name' => '<!--/*--><![CDATA[/* ><!--*/',
)));
$filtered_data = _filter_htmlcorrector('<p><script type="text/javascript">
<!--//--><![CDATA[// ><!--
alert("test");
//--><!]]>
</script></p>');
$this->assertEqual($filtered_data, '<p><script type="text/javascript">
<!--//--><![CDATA[// ><!--
<!--//--><![CDATA[// ><!--
alert("test");
//--><!]]]]><![CDATA[>
//--><!]]>
</script></p>', format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', array(
'@pattern_name' => '<!--//--><![CDATA[// ><!--',
)));
$filtered_data = _filter_htmlcorrector('<p><script type="text/javascript">
// <![CDATA[
alert("test");
// ]]>
</script></p>');
$this->assertEqual($filtered_data, '<p><script type="text/javascript">
<!--//--><![CDATA[// ><!--
// <![CDATA[
alert("test");
// ]]]]><![CDATA[>
//--><!]]>
</script></p>', format_string('HTML corrector -- Existing cdata section @pattern_name properly escaped', array(
'@pattern_name' => '// <![CDATA[',
)));
}
/**
* Asserts that a text transformed to lowercase with HTML entities decoded does contains a given string.
*
* Otherwise fails the test with a given message, similar to all the
* SimpleTest assert* functions.
*
* Note that this does not remove nulls, new lines and other characters that
* could be used to obscure a tag or an attribute name.
*
* @param $haystack
* Text to look in.
* @param $needle
* Lowercase, plain text to look for.
* @param $message
* (optional) Message to display if failed. Defaults to an empty string.
* @param $group
* (optional) The group this message belongs to. Defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
function assertNormalized($haystack, $needle, $message = '', $group = 'Other') {
return $this->assertTrue(strpos(strtolower(decode_entities($haystack)), $needle) !== FALSE, $message, $group);
}
/**
* Asserts that text transformed to lowercase with HTML entities decoded does not contain a given string.
*
* Otherwise fails the test with a given message, similar to all the
* SimpleTest assert* functions.
*
* Note that this does not remove nulls, new lines, and other character that
* could be used to obscure a tag or an attribute name.
*
* @param $haystack
* Text to look in.
* @param $needle
* Lowercase, plain text to look for.
* @param $message
* (optional) Message to display if failed. Defaults to an empty string.
* @param $group
* (optional) The group this message belongs to. Defaults to 'Other'.
* @return
* TRUE on pass, FALSE on fail.
*/
function assertNoNormalized($haystack, $needle, $message = '', $group = 'Other') {
return $this->assertTrue(strpos(strtolower(decode_entities($haystack)), $needle) === FALSE, $message, $group);
}
}
/**
* Tests for Filter's hook invocations.
*/
class FilterHooksTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Filter format hooks',
'description' => 'Test hooks for text formats insert/update/disable.',
'group' => 'Filter',
);
}
function setUp() {
parent::setUp('block', 'filter_test');
$admin_user = $this->drupalCreateUser(array(
'administer filters',
'administer blocks',
));
$this->drupalLogin($admin_user);
}
/**
* Tests hooks on format management.
*
* Tests that hooks run correctly on creating, editing, and deleting a text
* format.
*/
function testFilterHooks() {
// Add a text format.
$name = $this->randomName();
$edit = array();
$edit['format'] = drupal_strtolower($this->randomName());
$edit['name'] = $name;
$edit['roles[' . DRUPAL_ANONYMOUS_RID . ']'] = 1;
$this->drupalPost('admin/config/content/formats/add', $edit, t('Save configuration'));
$this->assertRaw(t('Added text format %format.', array(
'%format' => $name,
)), 'New format created.');
$this->assertText('hook_filter_format_insert invoked.', 'hook_filter_format_insert was invoked.');
$format_id = $edit['format'];
// Update text format.
$edit = array();
$edit['roles[' . DRUPAL_AUTHENTICATED_RID . ']'] = 1;
$this->drupalPost('admin/config/content/formats/' . $format_id, $edit, t('Save configuration'));
$this->assertRaw(t('The text format %format has been updated.', array(
'%format' => $name,
)), 'Format successfully updated.');
$this->assertText('hook_filter_format_update invoked.', 'hook_filter_format_update() was invoked.');
// Add a new custom block.
$custom_block = array();
$custom_block['info'] = $this->randomName(8);
$custom_block['title'] = $this->randomName(8);
$custom_block['body[value]'] = $this->randomName(32);
// Use the format created.
$custom_block['body[format]'] = $format_id;
$this->drupalPost('admin/structure/block/add', $custom_block, t('Save block'));
$this->assertText(t('The block has been created.'), 'New block successfully created.');
// Verify the new block is in the database.
$bid = db_query("SELECT bid FROM {block_custom} WHERE info = :info", array(
':info' => $custom_block['info'],
))->fetchField();
$this->assertNotNull($bid, 'New block found in database');
// Disable the text format.
$this->drupalPost('admin/config/content/formats/' . $format_id . '/disable', array(), t('Disable'));
$this->assertRaw(t('Disabled text format %format.', array(
'%format' => $name,
)), 'Format successfully disabled.');
$this->assertText('hook_filter_format_disable invoked.', 'hook_filter_format_disable() was invoked.');
}
}
/**
* Tests filter settings.
*/
class FilterSettingsTestCase extends DrupalWebTestCase {
/**
* The installation profile to use with this test class.
*
* @var string
*/
protected $profile = 'testing';
public static function getInfo() {
return array(
'name' => 'Filter settings',
'description' => 'Tests filter settings.',
'group' => 'Filter',
);
}
/**
* Tests explicit and implicit default settings for filters.
*/
function testFilterDefaults() {
$filter_info = filter_filter_info();
$filters = array_fill_keys(array_keys($filter_info), array());
// Create text format using filter default settings.
$filter_defaults_format = (object) array(
'format' => 'filter_defaults',
'name' => 'Filter defaults',
'filters' => $filters,
);
filter_format_save($filter_defaults_format);
// Verify that default weights defined in hook_filter_info() were applied.
$saved_settings = array();
foreach ($filter_defaults_format->filters as $name => $settings) {
$expected_weight = isset($filter_info[$name]['weight']) ? $filter_info[$name]['weight'] : 0;
$this->assertEqual($settings['weight'], $expected_weight, format_string('@name filter weight %saved equals %default', array(
'@name' => $name,
'%saved' => $settings['weight'],
'%default' => $expected_weight,
)));
$saved_settings[$name]['weight'] = $expected_weight;
}
// Re-save the text format.
filter_format_save($filter_defaults_format);
// Reload it from scratch.
filter_formats_reset();
$filter_defaults_format = filter_format_load($filter_defaults_format->format);
$filter_defaults_format->filters = filter_list_format($filter_defaults_format->format);
// Verify that saved filter settings have not been changed.
foreach ($filter_defaults_format->filters as $name => $settings) {
$this->assertEqual($settings->weight, $saved_settings[$name]['weight'], format_string('@name filter weight %saved equals %previous', array(
'@name' => $name,
'%saved' => $settings->weight,
'%previous' => $saved_settings[$name]['weight'],
)));
}
}
}
/**
* Tests DOMDocument serialization.
*/
class FilterDOMSerializeTestCase extends DrupalWebTestCase {
public static function getInfo() {
return array(
'name' => 'Serialization',
'description' => 'Test serialization of DOMDocument objects.',
'group' => 'Filter',
);
}
/**
* Tests empty DOMDocument object.
*/
function testFilterEmptyDOMSerialization() {
$document = new DOMDocument();
$result = filter_dom_serialize($document);
$this->assertEqual('', $result);
}
}Classes
| Title | Deprecated | Summary |
|---|---|---|
| FilterAdminTestCase | Tests the administrative functionality of the Filter module. | |
| FilterCRUDTestCase | Tests for text format and filter CRUD operations. | |
| FilterDefaultFormatTestCase | Tests the default filter functionality in the Filter module. | |
| FilterDOMSerializeTestCase | Tests DOMDocument serialization. | |
| FilterFormatAccessTestCase | Tests the filter format access functionality in the Filter module. | |
| FilterHooksTestCase | Tests for Filter's hook invocations. | |
| FilterNoFormatTestCase | Tests the behavior of check_markup() when it is called without text format. | |
| FilterSecurityTestCase | Security tests for missing/vanished text formats or filters. | |
| FilterSettingsTestCase | Tests filter settings. | |
| FilterUnitTestCase | Unit tests for core filters. |
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