Name Type Location Description
FILE_ACCESS_IGNORE constant modules/file/file.module Modules should return this value from hook_file_access() to not affect file access.
hook_search_access function modules/search/search.api.php Define access to a custom search routine.
Node access rights group modules/node/node.module The node access system determines who can do what to which nodes.
MENU_ACCESS_DENIED constant includes/menu.inc Menu status code -- Access denied.
File access rights group modules/file/file.module The file access system determines who can do what to which files.
NODE_ACCESS_IGNORE constant modules/node/node.module Denotes that access is unaffected for a node.
NodeAccessUnitTest class modules/node/tests/node.test Tests basic node_access functionality.
views_import_access function modules/views/views.module Access callback to determine if the user can import Views.
node_preview_access function modules/node/node.module Access callback: Checks a user's permission for previewing a node.
_layout_page_access function modules/layout/layout.pages.inc Access callback; Check access for Layout-provided pages.
_search_menu_access function modules/search/search.module Access callback for search tabs.
Layout::checkAccess function modules/layout/includes/layout.class.inc Check access to this layout based on the current contexts.
drupal_theme_access function includes/drupal.inc Determines if a theme is available to use.
file_htaccess_lines function includes/file.inc Returns the standard .htaccess lines that Backdrop adds to file directories.
node_access_rebuild function modules/node/node.module Rebuilds the node access database.
views_plugin_access class modules/views/plugins/views_plugin_access.inc The base plugin to handle access control.
TaxonomyTerm::access function modules/taxonomy/taxonomy.entity.inc Overrides Entity::access().
REDIRECT_ACCESS_DENY constant modules/redirect/redirect.module Modules should return this value from hook_redirect_access() to deny access to a redirect.
taxonomy_term_access function modules/taxonomy/taxonomy.module Access callback: Checks a user's permission for performing a taxonomy term operation.
file_ensure_htaccess function includes/file.inc Creates a .htaccess file in each files directory if it is missing.
hook_redirect_access function modules/redirect/redirect.api.php Control access to a redirect.
UserRoleLayoutAccess class modules/layout/plugins/access/user_role_layout_access.inc @file Plugin to provide access control based upon role membership.
_book_outline_access function modules/book/book.module Access callback: Determines if the outline tab is accessible.
file_create_htaccess function includes/drupal.inc Creates a .htaccess file in the given directory.
filter_format_access function modules/filter/filter.module Access callback: Checks a user's access to a particular text format.
layout_create_access function modules/layout/layout.module Helper function to create a Layout Access.
SearchNodeAccessTest class modules/search/tests/search.test Tests node search with node access control.
filter_dialog_access function modules/filter/filter.module Access callback: Generic dialog access check callback.
AccessDeniedTestCase class modules/system/tests/system.test Tests custom access denied functionality.
user_register_access function modules/user/user.module Determines if the current user has access to the user registration page.
Views access plugins group modules/views/plugins/views_plugin_access.inc @todo.
drupal_access_denied function includes/drupal.inc Delivers an "access denied" error to the browser.
LanguageLayoutAccess class modules/layout/plugins/access/language_layout_access.inc
Entity::createAccess function modules/entity/entity.class.inc Implements EntityInterface::createAccess().
file_download_access function includes/file.inc Checks that the current user has access to a particular file.
EntityIDLayoutAccess class modules/layout/plugins/access/entity_id_layout_access.inc @file Plugin to provide access control based upon entity ID.
update_manager_access function modules/update/update.module Access callback: Resolves if the current user can access updater menu items.
UserInterface::access function includes/userinterface.inc Determines whether the given user has access to this entity.
REDIRECT_ACCESS_ALLOW constant modules/redirect/redirect.module Modules should return this value from hook_redirect_access() to allow access to a redirect.
backdrop_theme_access function includes/theme.inc Determines if a theme is available to use.
AnonymousUser::access function includes/anonymous.inc Provides anonymous user access for consistency with User entities.
CommentNodeAccessTest class modules/comment/tests/comment.test Tests comments with node access.
LayoutAccessNegatable class modules/layout/plugins/access/layout_access.inc A common base class used for access handlers that may be negated.
_system_themes_access function modules/system/system.module Menu item access callback - only admin or enabled themes can be accessed.
_node_revision_access function modules/node/node.module Access callback: Checks node revision access.
field_ui_admin_access function modules/field_ui/field_ui.module Access callback to determine if a user is allowed to use the field UI.
Comment::createAccess function modules/comment/comment.entity.inc Overrides Entity::createAccess().
views_handler::access function modules/views/includes/handlers.inc Check whether current user has access to this handler.
update_access_allowed function ./update.php Determines if the current user is allowed to run update.php.
LayoutAccess::summary function modules/layout/plugins/access/layout_access.inc Provides a human-readable summary of this access check's behavior.

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