diff core/lib/Drupal/Core/Flood/FloodInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Flood/FloodInterface.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,71 @@
+<?php
+
+namespace Drupal\Core\Flood;
+
+/**
+ * Defines an interface for flood controllers.
+ */
+interface FloodInterface {
+
+  /**
+   * Registers an event for the current visitor to the flood control mechanism.
+   *
+   * @param string $name
+   *   The name of an event. To prevent unintended name clashes, it is recommended
+   *   to use the module name first in the event name, optionally followed by
+   *   a dot and the actual event name (e.g. "mymodule.my_event").
+   * @param int $window
+   *   (optional) Number of seconds before this event expires. Defaults to 3600
+   *   (1 hour). Typically uses the same value as the isAllowed() $window
+   *   parameter. Expired events are purged on cron run to prevent the flood
+   *   table from growing indefinitely.
+   * @param string $identifier
+   *   (optional) Unique identifier of the current user. Defaults to the current
+   *   user's IP address).
+   */
+  public function register($name, $window = 3600, $identifier = NULL);
+
+  /**
+   * Makes the flood control mechanism forget an event for the current visitor.
+   *
+   * @param string $name
+   *   The name of an event.
+   * @param string $identifier
+   *   (optional) Unique identifier of the current user. Defaults to the current
+   *   user's IP address).
+   */
+  public function clear($name, $identifier = NULL);
+
+  /**
+   * Checks whether a user is allowed to proceed with the specified event.
+   *
+   * Events can have thresholds saying that each user can only do that event
+   * a certain number of times in a time window. This function verifies that
+   * the current user has not exceeded this threshold.
+   *
+   * @param string $name
+   *   The name of an event.
+   * @param int $threshold
+   *   The maximum number of times each user can do this event per time window.
+   * @param int $window
+   *   (optional) Number of seconds in the time window for this event (default is 3600
+   *   seconds, or 1 hour).
+   * @param string $identifier
+   *   (optional) Unique identifier of the current user. Defaults to the current
+   *   user's IP address).
+   *
+   * @return
+   *   TRUE if the user is allowed to proceed. FALSE if they have exceeded the
+   *   threshold and should not be allowed to proceed.
+   */
+  public function isAllowed($name, $threshold, $window = 3600, $identifier = NULL);
+
+  /**
+   * Cleans up expired flood events. This method is called automatically on
+   * cron run.
+   *
+   * @see system_cron()
+   */
+  public function garbageCollection();
+
+}