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115 lines
3.0 KiB
PHP
115 lines
3.0 KiB
PHP
<?php
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/**
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* Slim - a micro PHP 5 framework
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*
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* @author Josh Lockhart <info@slimframework.com>
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* @copyright 2011 Josh Lockhart
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* @link http://www.slimframework.com
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* @license http://www.slimframework.com/license
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* @version 2.4.2
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* @package Slim
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*
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* MIT LICENSE
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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namespace Slim;
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/**
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* Middleware
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*
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* @package Slim
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* @author Josh Lockhart
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* @since 1.6.0
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*/
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abstract class Middleware
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{
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/**
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* @var \Slim\Slim Reference to the primary application instance
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*/
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protected $app;
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/**
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* @var mixed Reference to the next downstream middleware
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*/
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protected $next;
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/**
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* Set application
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*
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* This method injects the primary Slim application instance into
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* this middleware.
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*
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* @param \Slim\Slim $application
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*/
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final public function setApplication($application)
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{
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$this->app = $application;
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}
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/**
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* Get application
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*
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* This method retrieves the application previously injected
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* into this middleware.
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*
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* @return \Slim\Slim
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*/
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final public function getApplication()
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{
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return $this->app;
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}
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/**
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* Set next middleware
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*
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* This method injects the next downstream middleware into
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* this middleware so that it may optionally be called
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* when appropriate.
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*
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* @param \Slim|\Slim\Middleware
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*/
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final public function setNextMiddleware($nextMiddleware)
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{
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$this->next = $nextMiddleware;
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}
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/**
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* Get next middleware
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*
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* This method retrieves the next downstream middleware
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* previously injected into this middleware.
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*
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* @return \Slim\Slim|\Slim\Middleware
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*/
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final public function getNextMiddleware()
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{
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return $this->next;
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}
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/**
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* Call
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*
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* Perform actions specific to this middleware and optionally
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* call the next downstream middleware.
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*/
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abstract public function call();
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}
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